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Epidemiology of Acute Respiratory Tract Infections (ARI) among Children Under Five Years Old Attending Tikirit General Teaching Hospital

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Dr Abdulrazak Abyad
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Lesley Pocock
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EPIDEMIOLOGY OF ACUTE RESPIRATORY TRACT INFECTIONS (ARI) AMONG CHILDREN UNDER FIVE YEARS Old ATTENDING TIKRIT GENERAL TEACHING HOSPITAL

 
Authors:

Dr Thamer.K.Yousif/MBCh.B/FICMS
DR.BAN A. Khaleq/MSC


INTRODUCTION

Acute respiratory tract infection (ARI) is considered as one of the major public health problems and it is recognized as the leading cause of mortality and morbidity in many developing countries. The greatest problem for developing countries is the mortality from ARI in children less than five year of age (1) .

In most countries, ARI occurs more frequently than any other acute illness, including diarrhea and other tropical diseases.

In developing countries 30% of all patients consultation and 25% of all pediatric admission are of ARI ( 3) . Most infections are limited to the upper respiratory tract and 5% involve the lower respiratory tract. A large proportion of ARI is present as pneumonia or bronchiolitis . Incidence of ARI is almost the same all over the world : 5-7 episodes per child per years in urban areas and 3-5 episodes in rural area ( 4).

ARI is mostly caused by both viruses and bacteria. Viral agents account for 90% of Upper respiratory tract infection (URIs), however most of these infections do not result in fatal sever disease; they are mild and self limited illnesses. While Bacterial pulmonary infections are common in developing countries associated with a greater risk of death (5).

It should be noted that viral and bacterial infections occur frequently. Some associated infections include: common cold, acute otitis media, acute sinusitis, sore throat, pertussis, bronchiolitis and pneumonia. (6).


Mortality due to ARI is high in developing countries which may reach 1000 or more per 100000 live births compared to 30-40 per 100000 live births in industrialized nation (7). The WHO estimate that in 1990 ARI tragically caused 13 million children die each year, 4.3 million children die from ARI, mostly pneumonia, every year in developing countries. Two- third occurs in children under one year of age (1),(2). Billions of children suffer acute or chronic morbidity arising from their effects. In all countries ARI is a leading cause of hospitalization and death. Therefore ARIs represent a large challenge in field of communicable diseases (4),(8).

Recognizing the magnitude of ARI problem, which requires immediate and concerted action, the WHO has initiated a global program for its control. The WHO/ARI program is viewed as critical part of primary health care and is directed towards children under the age of five years. Its primary objective is to reduce the severity and mortality of pneumonia in children. Other objectives of the program are to reduce the incidence of acute lower respiratory tract infection, to reduce the severity and complications from acute upper respiratory infection, and to decrease the inappropriate use if anti microbial and other drugs for the treatment of ARI in children (9).

Aim of the study

To study the Epidemiology of acute respiratory tract infections in children under five years attending Tikrit General Teaching Hospital.

Objectives of the Study

The Study was conducted to:

  1. Evaluate the effect of age, sex and residency on the ARI occurrence and severity.
  2. Demonstrate the occurrence and severity of ARI according to history of low Birth weight, nutritional status and immunization status.
  3. Identify the effect of feeding pattern on the ARI occurrence and severity.
  4. Recognize the relationship between history of major or chronic illnesses and ARI occurrence and severity.
  5. Describe the effect of maternal and paternal smoking on the ARI occurrence and severity.
  6. Assess the relationship between mother and father educational level and ARI occurrence and severity.
  7. Identify the effect of family history of chronic respiratory problems and asthma on the ARI occurrence and severity.
  8. Estimate the association between crowding index and the ARI occurrence and severity.
  9. Identify the frequency distribution of clinical signs and symptoms considered by mothers, and the clinical signs considered the seriousness of ARI.
  10. Recognize types of decision to seek medical advice and the distribution of ARI cases according to admission to hospital.
SUBJECTS AND METHODS

Design of the Study :

The current work represent a hospital based longitudinal study, which was conducted for the period extended from the first of November 2004 to the end of April 2005 and with regular working hours.

Socio-Demographic Characteristics :

The study is conducted in Tikrit General Teaching Hospital which represents one of the biggest centers located in the center of Tikrit city which serves a large proportion of the community of different socio economic levels.

Salahaldeen Governorate has an estimated population of (1162490) person; Tikrit city represent (159721) of the population and about (20 %) of those are children under 5 years of age.

The Study Groups :

Two thousands four hundreds fifty children under 5 years of age, who had attended the hospital for treatment of acute respiratory tract infections, were collected from the outpatient clinic.

Pilot Study and Preset :

A small- scale pilot study was carries out on a sample of 30 cases including babies with their parents to identify any areas of ambiguity in the questionnaire and to have an idea about time required and other practical points before final study was launched.
Another seminar was made in the Community Medicine Department of the Medical College of Tikrit University, in the present of the chairman of the department, the supervisor of the study, the staff of the department and post graduate students of the college.

Discussion was made at the end of the seminar, and comments, notes and suggestions were given by the audients, which were very wrathful and helped much in conducting the final study in more perfect and practical way.

Development of the Questionnaire and Data Collection:

The questionnaire was developed to collect the following information:

Age: included three age group (<2) months, (2-11) months, (12-60) months.

Sex

Type of feeding: which includes type of feeding for infants lass than 6 months of age and divided to ; breast feeding only, bottle feeding only, and bottle and breast feeding (mixed).

Immunization: the immunization status of cases was investigated for, BCG, DPT, polio, Measles, and MMR vaccine and the children were grouped in to non, partially, and fully immunization status according to their age.

History of low birth weight which consider for infants only.

History of any major or chronic illness.

Residency.

Educational level of parents.

Mother's employment status.

Parental smoking.

Crowding index: number of persons sleeping in one room (29).

History of chronic respiratory problems among household.

Family history of asthma.

Type of heating and cooking system.

The knowledge of mothers of cases regarding the seriousness of ARI were investigated and their ability to recognize the following important signs (rapid or difficult breathing, chest indrawing, nasal flaring, inability to drink, and becomes sicker) (48).
(For more detail about questionnaire see appendix 1)

Examination :
Clinical assessment every case with ARI was examined for the following points:

  • Temperature.
  • Respiratory rate: was determined by inspection of the child chest for 60 seconds, the RR was counted twice and the average count was recorded.
  • Chest indrawing: by observing the subcostal and intercostals space.
  • Stridor in calm child.
  • Wheeze

Nutritional Status Examination
The nutritional state of every child was classified depending on the basis of body weight for age. So the weight of every child was measured in kilogram and children with body weight at or below the 3rd centile were classified as undernourished child (133).

Then ARIs cases were assessed and classified according to WHO/ARI case management chart into :

A. Very severs disease when child presented with certain signs such as convulsion, abnormally sleepy or difficult to wake, stridor in a calm child, not able to drink, severe under nutrition.
B. Severe pneumonia when child presented with chest indrawing with or without fast breathing.
C. pneumonia when child presented with fast breathing but no chest indrawing.
D. No pneumonia (cough or cold) no chest indrawing or fast breathing (7).( for more detail see appendix 11)

The cases admitted to the wards of the hospital had been followed up for further information regarding treatment regime.

Statistical Analysis:
The data collected on (2450) children included in the study were studied to assess the association of many risk factors with the occurrence of ARIs and the association of many risk factors with the severity of ARIs cases was also determined.
Conventional statistical techniques were applied to the data in study of distribution by frequency percentage and table representation. The nature of the association studies by application of statistical tests to measure the association by help of X2 test with the value of P less than 0.05 as the limited level of significance determination of the difference between percentages.

RESULTS

The total sample studied in this research was (2450) children have ARI among 5550 children attending to Tikrit General Teaching Hospital from the first of November 2004 to end of April 2005 of the total ARI cases, 216 (8.8%) were classified as very severe disease, 480 (19.6%) as severe pneumonia, 1181 (48.2%) as pneumonia, and 573(23.4%) as no pneumonia (cough or cold) (Figure 1).

The monthly distribution of cases showed that the lowest frequency was in April, 147 (6%) followed by March, 221(9%) and Feb., 368(15%) then November, 466(19%) and Jan., 490(20%), while December showed the highest frequency, 760(31%) (Figure 2).

The study shows that 1539 (62.8%) of all ARIs cases occurred in the first year of life and ARI was most frequently diagnosed at the age group (3-13) months 1279 (52.2%). High significant association was observed between the age and ARI severity (Table 1) .

Regarding the gender the study shows that in 2450 cases of ARIs, 1612 (65.8%) were found to be males and 838 (34.2%) were female and ARIs were 1.5 times higher among males than females. It showed that no significant association was observed between ARI severity and gender.(Table 2) .

This study shows that 420 (17.2%) of ARIs cases had history of LBW. There was statistical significant association between LBW history and severity of ARIs.(Table 3) .
Regarding Immunization, (Table .4) shows that 1514 (61.8%) of cases were fully immunized according to the Immunization schedule. There was a weak association between the Immunization status and occurrence of ARI but a high statistical significance regarding the severity of ARIs cases (P-value = 0.0001) .
(Table .4) also shows that 60% of children who were not vaccinated at all versus 12.7% of children who were fully vaccinated had severe type of ARIs.

Furthermore the study shows that there was a significant association between the occurrence of ARIs and undernourished children. Of all undernourished children, 240 (51.6%) were observed to have severe diseases (very severe disease and severe pneumonia). There was a highly significant association between the undernourished children and ARI severity.(P-value = 0.0001) (Table. 5) .

The data on (Table. 6) demonstrates that, of the total 824 cases of age less than 6 months, 224 (27.2%) were breast feeding, 461 (55.3%) were bottle feeding and 139 (17.5%) were mixed feeding babies. (Table .6) also shows that breast feeding provides a highly significant protection against ARI occurrence and there was a highly statistical significant association between ARIs severity and type of feeding (p- value =0.0001) .

Previous illness history demonstrates that 417 (17%) of ARI cases were having history of major or chronic illness and these children having excessive risk of about 1.8 times higher than children without such a history and there was a highly statistical significant association between ARI severity and positive history of major or chronic illness
(Table 7) .
Out of the children with major or chronic illness, 270 (64.7%) had CHD, 64 (15.3%) had chronic diarrhea, 49 (11.7%) had Leukemia, 15(3.5%) had TB, 10 (2.4%) had hepatitis and 10 (2.4%) had chronic renal problem.

Regarding residency distribution the study shows that most of cases 2078 (84.8%) were from urban areas with no significant association between area af residency and the occurrence of ARIs. All cases from rural areas had pneumonia of different severity (very severe disease 83 (22.4%), severe pneumonia 64(17.1%), and pneumonia 225(60.5%) with strong statistical significant association between ARIs severity and rural residency (P-value = 0.0001) (Table 8).

The study shows that, the maternal smoking had no significant association with the occurrence of ARI but have high statistical significant with the severity of ARI cases. (Table 9).

While the factor of father smoking was positive in 1332 (54.4%) of cases with highly significant association with the occurrence of ARI, but there was no significance statistical association observed regarding the severity of ARI cases with paternal smoking.(Table 10).

The children of highly educated mothers constituted only 162(6.6%) of total ARI cases and there was a significant association between occurrence of ARI, and mother educational level and there was a highly significant association between the mother educational level and ARI severity (P-value = 0.0001) (Table 11).
While regarding the father educational level there was also have a highly significant association with occurrence and severity of ARI cases. (Table. 12).

This study illustrates that 363 (14.8%) of the cases have a positive history of chronic respiratory problems among household members. Children with such a history were 4.17 times more likely to have ARI than the children with a negative history. But no statistical significance was observed with severity of ARI cases (Table 13).

After taking family history the study shows that, 1275 (52%) of total ARI cases had family history of asthma. There was a significant association between ARI occurrence and family history of asthma. Also in (Table 14) it was found that, out of the total children with positive family history of asthma only 103 (8.1%) were having very severe disease, while 250 (19.6%), 642 (50.4%), and 280 (21.9%) were having severe pneumonia, pneumonia and no pneumonia respiratory. There was no statistical significance association between illness severity and such history. (Table 14).

Regarding crowding condition the study demonstrate that 1000 (40.8%) cases having a crowding index of (3-5), but high percentage of case 755 (30.8%) had crowding index of more than 5. there was a highly statistical significant relation between the occurrence and severity of ARI with living in crowding quarter.

The mothers of the cases considered the danger signs as follows:
Fever was considered by 2291 (93.5%) mothers as danger sign, 2276 (92.9%). Mothers agreed that cough is a danger sign, difficulty of breathing considered by 449 (44.9%) of mothers, running nose, wheezing, feeding difficulty, and rapid breathing were known by 1017 (41.5%), 953 (38.9%), 877 (35.8%) and 539 (22%) of mothers respiratory. While cyanosis, sleep disturbance, drinking difficulty, convulsion, and chest in drawing, were considered by small percentage of mothers as danger signs. (Table. 16)

When the ability of the mothers to differentiate seriousness of respiratory disease was investigated, the study results showed that, 1936 (79%) of ARIs cases mothers were unable to differentiate the seriousness of illness by any right sign or mentioned only one right sign, 461(18.8%) mothers differentiated 2 right signs and only 54(2.2%) of the mothers knew 3 right signs and more.

Many socioeconomic problems occurred in our country after the last war, which have different effects on many risk factors of ARI.

 

Regarding type of heating fuels very high percentage of families of 2406 cases (98.2%) were depending on Kerosene in addition to electricity (when available), while only few families (1%) of cases were depending on electricity alone. (0.8%) of cases used wood for heating. Liquid gas propane was the major sources of fuel for cooking, 23 families of cases were depending on wood as source of fuel for cooking. No further analysis was carried out regarding types of heating and cooking fuel.

A High percentage of mothers of cases (98.7%) were housewives.

The study shows that the dangerous signs in ARI children include fever (87%), the second is cough that should be considered as dangerous signs (63%), while difficulty of breathing was found in (44.6%) of ARI patients, running nose, rapid breathing was found in (25.6%) and (23%) respectively. While wheezing, cyanosis drinking difficulty, sleep disturbance, chest in drawing, malnutrition was considered by small percentage of mothers as a dangerous sign.(Table 17).

Regarding the hospital admission the study illustrates that 196 (90.9%), 446 (92.9%), 652(55.2%) , and 176 (30.8%) of patients who had very severe disease, severe pneumonia, pneumonia , and no pneumonia respectively were admitted to hospital during the study period, so the total patients admitted to hospital were 1470 (60%), and 980 (40%) treated as an out patients.(Table 18).

This study shows that antibiotics were prescribed for 2005 (81.8%) cases as a part of hospital management, 100% of cases with very severe disease and severe pneumonia had received antibiotics, while 985 (83.4%) and 324 (56.4%) of cases with pneumonia and no pneumonia respectively, had received antibiotics. Other drugs prescribed were cough syrup for (61.2%) of patients and antipyretic for (55%) of patients of the total cases, 1254 (51.2%) cases received medications before presenting to hospital, 960 (77.3%) of those children received these medications by prescriptions from private doctors, and 172 (13.7%) of cases, by physicians in health centers, and 112 (8.9%) of cases received these medications without any medical prescription. Of these 1254 children, 157 (12.5%) cases received cold medications only, 221 (17.6%) cases received antibiotics only, and 877 (69.9%) cases received both antibiotics and cold medications.

So, 1098 (44.8%) of total ARI cases received antibiotics before presenting to hospital 161 (14.7%) of them had very severe disease, 231 (21%) had severe pneumonia, 519 (47.3%) had pneumonia , and 187 (17%) had no pneumonia ( cough or cold) at time of examination.
when the child gets an ARI attack, the mother would take him to an private clinic in (42.8%) of cases , to health center in (14.4%), hospital in (12.0%), public clinic in (12.0%), only home management in (10.6%) using drugs from pharmacy in (6%), and would do nothing in (2.2%) only.
This means that (81.2%) of mothers will seek medical advice.(Table 20).

DISCUSSION

Acute respiratory tract infection (ARI) are one of the most commonest causes of health problems with high morbidity and mortality among children under five years old particularly in developing countries (147). Moreover, these infections place a heavy burden on the health services in terms of utilization of hospitals and health centers (17),(10).

In Iraq ARI control programme had been adopted since 1990 (9). For success of such a programme, ARI epidemiology is needed to be known which help to improve methods of management of these illnesses (148).

The highest frequency of ARIs cases were observed to be found in December. This is comparable to the results found by International consultation on the control of ARI in 1991(61) . It might be due to overcrowding rather than climate (61), or due to seasonality of infective agents themselves (116).

ARIs were more frequent among infants in the present study. Early infancy less than 2 months of age has a highly significant association with severe ARI. These findings were in agreement with the result found by Qasim, AL-Jassar, AL-Karaguily, AL-Humairy, AL-Azzawi in Iraq (53),(32),(54),(55),(56). This might be due to the fact that immunity has not become fully established, narrow airways, incomplete development of the lungs and relatively short bronchial tree (50),(124) .

Male patients were more infected with ARI than female. They were 1.5 times more likely to develop ARIs than female patients, but there was no significant association between gender and the severity of ARIs. These findings were consistent with AL-Jassar and AL-Karaguily in Iraq (32),(54), but against the result found by Zhang et al in Beijing and Ali in Iraq (63),(64), and also against the result found by AL-Humairy in Iraq (55) who found that male gender was highly significant associated with ARI severity.

Infants with a history of low birth weight appeared to has significant association with ARIs occurrence and severity. This was in agreement with Taylor, et al, chain et al in Japan and AL-Jassar in Iraq (75),(32),(76), this might be due to low birth weight baby has a poor pulmonary function and low immunity, which makes them more liable to have ARI mainly in its severe picture (131). This finding was against that found by Saddam and Al-Tawil in Iraq (62), in which low birth weight was not observed to be as a significant factors for ARI severity .

Immunization showed weakly association with the occurrence of ARI. This could be due to fact that there was lack of vaccination either partial or complete of the cases and this might be due to the events that occurred after the last war and invasion on our country. But immunization appears to be strongly associated with severity of ARI cases. This result was in agreement with results found by Broor et al in India and Al-Humairy in Iraq (87),(55).

The results showed that there are significant association regarding the nutritional status on occurrence and severity of ARI. This observation was documented by AL-Humairy in Iraq, Rahman & Rahman in Bangladesh, Tupasi and Hamid in Southeast Asia (55),(80),(78),(79). This could be explained by that the immunologic insufficiency which is common in malnutrition lead to infection (13),(50).

Significant association had been observed regarding type of feeding and the development of ARI, that is breast feeding appeared to be highly protective against the occurrence of ARI. This finding was also noted in Perera, Nilay et al in Turkey, Shah et al in South Kerala and Fonseca in Fortaleza in Brazil. But against finding of AL-Jassar in Iraq who found that breast feeding was not significantly protective against the development of ARI, (67),(68), (70),(147).

The cause of protection of human milk is due to its content of bacterial and viral antibodies, macrophages synthesizing complement and lysozymes (35). There were a significant role of different types of feeding appeared to play on the severity of ARI cases, this result was agreed the result found by AL-Jassar in Iraq (32), who found that breast feeding prevent severe forms of ARI . Illness severity might be aggravated by several factors like poor hygiene, home environment and maternal care (130).

Strong association had been observed regarding positive child history of chronic or major illness and the occurrence and severity of ARI in this present study. Children with such history had (1.84) higher rate of ARIs than those children with no such a history. This observation was documented by AL-Jassar and Qasim in Iraq and Mc Millan et al in USA (32),(53),(52). This could be explained by that, children with chronic or major illness have a general ill health, impaired immunity and poor nutrition (124). Heart disease is associated with excessive pulmonary blood flow, which is responsible for recurrent pulmonary infection in addition to poor general nutrition and impaired host defense, so children with congenital heart disease were more prone to severe ARIs (62).

Considering area of residence whether rural or urban, there was no significant association between ARIs and residency. This was in agreement with AL-Shahabi et al in Iraq (57), but against the result found by Pio et al in America and UNICEF\WHO statement program for the control of ARI in developing countries in 1986 (130),(34). Regarding the severity of ARI cases in this study, rural areas appeared to play an important role, in which there was a highly significant association between ARIs severity and rural residency. This may be explained by the fact that cases of severe ARIs residing in rural areas are usually referred to hospital for admission, while less severe cases are usually treated in the primary areas. This result was documented with WHO\ARI program of control of acute respiratory infections in 1991 and Saddam & AL_Tawil in Iraq (104),(62).

The present study demonstrated that there was no association observed with ARI development of ARI cases and maternal smoking, but have a high association with ARI severity.

This result was agreed with Nillay et al in Turkey and Qasim & AL-Jassar in Iraq.( 68),(53),(32) but against the result found by ARI News letter in Egypt, Fergusson et al and Lopez et al in USA (24),(110),(108). This might be due to the fact that smoking habit among female is not much accepted in our society, this leads to small number of smoking mothers, therefore the real association can not be demonstrated in the present study, but if a mother is smoker it will lead to aggravate the condition of the ARI to severe form.

Paternal smoking found to be highly associated with occurrence of ARI, this finding was against the result found by Fergusson et al in USA (108) that maternal smoking was strongly correlated with children respiratory diseases than paternal smoking, but our results of association of paternal smoking and occurrence of ARI was in agreement with result found by Rahman and Rahman in Bangladesh and Biswas et al in India (80),(107). Passive smoking can act by increasing the rate of cross infection from the smokers, mediating an allergic reaction, or by causing irritation of the infantile passages and facilitate the spread of infection to lower respiratory tract (98). There was significant association observed between the paternal and smoking and ARI severity. This was found by Al-Humairy in Iraq (55).

There was a strong association between the parent's education and the occurrence of ARI in the present study. This finding agreed with Lopez et al, Hamid et al, Nillay in Turkey (110),(79),(68). The protective effect of parental education against acute respiratory infection awareness and care practices. This result was in disagreement with AL-Jassar in Iraq (32) who found that father's education play no role regarding the severity of ARI.
This present study demonstrated a highly significant association of chronic respiratory problems among household members and ARIs and it was found that , children with such a family history were 4.17 times more risky to develop ARI than children without that history. This result agreed with Pedrerta et al, Ware et al in America & Broor et al in India (115),(114),(87), but against the result reported by Qasim and AL-Jassar in Iraq (53),(32),which suggest that family history of chronic respiratory problems plays no role either in the occurrence or in the severity of ARI,. Also this study found that such a history plays no role in the severity of ARI, in which the study result showed that more than two-thirds of cases had mild forms of ARI ( no pneumonia and pneumonia).

Strong association appeared between children from families with a positive history of asthma and ARI occurrence. This was documented by Lopez et al and Mc Connchie et al in America (110),(92). But the present study demonstrated that there was no significant association regarding the severity of ARI. This result agreed with AL-Jassar in Iraq (32).

The present study showed that children living in overcrowded houses were more liable to ARI than those children living in less crowded houses. This result coincided with the results in Rahman and Rahman in Bangladesh and Azize et al in Malaysia (80),(69), but against the result found by Nilay et al in India (68), Study in which there was no association between the number of persons per room and ARI occurrence. The results of this study also found that overcrowded houses had a highly significant association with development of severe ARI. This result was also demonstrated by AL-Shahabi et al in Iraq (57).

A high percentage of mothers identifying the seriousness of ARI that paid their attention for seeking medical advice were fever and cough .

While fast breathing, chest indrawing, convulsion, drinking difficulties cyanosis, and sleep disturbance recognized by a small percentage of mothers. This result was against the result found by Rashid et al in Bangladesh (148) study in which most of mothers recognized pneumonia and all mild and severe signs and symptoms of pneumonia. This result was also against the result found by Mohammed in Iraq (125), but in agreement with results of WHO\ARI program of control of ARI in 1991, AL-Tae'e in Iraq, Gve and Aung et al in Southern Asian when mothers were not able to recognize serious ARI signs and symptoms from the simple one (104),(145),(141),(149). This could be due a defect in health education aspect regarding ARI control program and also could be due to low educational level of mothers in the study sample in which about more than half of mothers were either illiterate or only have primary level of education.
The present study found that about half of ARI cases had received a medications before presenting to hospital and (91.1%) of those children used these medications by prescription from doctors and only (8.9%) of them were using medications without any medical prescription.

This finding can reflect that mothers were more relying upon medical advises, and this should be further encouraged by education about the harm of misusage drugs without medical prescription.

Regarding antibiotic, of all medications antibiotics were used in (44.8%) of cases. Almost physicians prescribe antibiotics to reduce the number of return office of bacterial infections (138). The prescription of antibiotics for ARI cases were not preventing them from reaching the hospital, this could be due to misusage of these antibiotics for viral infections or misusage by parents. This result is in agreement with result found by Pichichero et al in USA (138).
Antibiotics were prescribed unnecessarily for ARI patient. In present study, antibiotics had been prescribed for (81.8%) of ARI cases as a part of hospital management, by application of WHO- ARI case management chart ( Appendix 11). This rate can be reduced to 76% were prescribed unnecessarily for 5.2% of ARI cases which is lower than that found by AL-Jassar in Iraq & Gunha et al in Rio de Janeiro (32),(137), which were 12.4% and 8.9% respectively.
This may reflect the increases in the awareness among medical staff regarding the unnecessary and harmful use of antibiotics and the ARI control program adopted by the ministry of health.
Antipyretic and cough syrup were other drugs used for the treatment of ARIs cases as a part of hospital management. These two drugs might be useful to relieve symptoms, although most children with cold or cough need no drugs at all (122).
Many cases admitted to hospital can be treated as an outpatients. The admission rate of ARI cases was 60% this rate can be reduced to 28.4% when WHO case management criteria for ARI cases were applied because 56.3% of cases admitted to hospital can be treated as an outpatients. This reduction is very important because it will decrease the burden imposed upon hospital (126).

The result obtained from the study showed that a high percentage of mothers identifying the seriousness of ARI that paid their attention for seeking medical advice were fever and cough, while chest indrawing, convulsion, drinking difficulties Sleep disturbance was recognized by small percentage of mothers. This is in agreement with Gue and Aung in Southern Asian, Al-Jassar in Iraq and WHO\ARI program of control of ARI in 1991 where mothers were not able to recognize serious ARI signs from the simple ones (141),(104),(32),(149). This may indicate that Iraqi mothers are not different from mothers else where who had Considered fever and cough as an important signs that needed medical attention, and this might be due to the defect in health education aspect of ARI control program adopted by the ministry of health regarding dangerous sign (150).

CONCLUSION

Pneumonia was the most common form of ARI observed among the study cases, and the higher frequency of ARI was observed during December.
Infancy, history of LBW in infants, under nutrition, lack of immunization, absence of breast-feeding in the first six months of life, educational level of parents, child history of major or chronic disease, living in crowded quarter & Paternal smoking were observed to be important risk factors for both, development and severity of ART
Male gender and family history of chronic respiratory problems were found to be responsible for the occurrence of ARI but play no significant role in its severity.

Rural residences were found to have a significant effect on ARI severity. In this study the effect of maternal smoking on the development and severity of ARI was not clearly demonstrated.

Fever, cough and breathing difficulty were considered by mothers as an important signs for ARI which makes them look for medical advice. There is still a great lack of knowledge about ARI program among public, that is most of mothers were not able to recognize the dangerous signs of ARI.

Antipyretics and antibiotics were the most common types of medications used by cases before presenting to hospital, but this practice did not prevent the children from reaching the hospital. This may indicate a misusage of these antibiotics either by doctors or by families.

There was decreased in the prescription of unnecessarily antibiotics by hospital physicians.

The goal of ARI programme still not fully achieved and there is a real lack of effective ARI education programmes, as the majority of mothers were unable to recognize the dangerous signs of ARI. However, more information messages are needed to increase mothers ability to differentiate between mild and sever cases.
Mass media especially radio and TV, play an important role in distributing a scientific information among the population. So attention should be paid for the quality of information given to mothers through mass media .

Recommendations

Strengthening of ARI programme in order to make its message reaches the majority of Iraqi mothers through the following :

a.

Mass media

b. Training of doctors and medical workers
c. Integration of the programme with Non Governmental Organization (NGOS).
d. The ARI programme must share the health educational department in Ministry of Health during planning Implementation and evaluation for continuous medical education program which enable the medical staff to operate their scientific and medical information.
e. To have an ARI unit PHC center, specially in low standard of living areas high density population and low level of education.

6.2.2. : Improvements in the case management skills of locally adapted guidelines provision management of childhood illness and activities to promote through the health staff on integrated their use.
6.2.3 : Pediatricians and general practitioners should take their role in the process of education of families and particularly the mothers about the following :
a. Causes of acute respiratory illness
b. Risk factors of ARI
c. Dangerous signs of ARI illness and the importance of simple supportive therapy as well as the early referral of child with severe illness.
d. The value of timely and complete immunization and the importance of breast-feeding.
e. Avoidance of taking medications without medical prescription
This practice should be as a part of management process even at the private clinics .

Figure 1: Distribution of Cases According to ARI Severity at Examination.

Figure 2:
The Monthly Distribution of Cases ARI Presented to
Hospital From the First of November 2004, to the End of April 2005.

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Table 1: Age Distribution of ARI Cases and Distribution of Cases According to Age and ARI Severity.

Age
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
<2m 260 10.6 54 20.8 24 9.4 172 66 10 3.8
2-11m 1279 52.2 102 8 283 22.2 663 51.8 230 18
12-60m 911 37.2 60 6.5 173 19 346 38 333 36.5
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 233.405
DF = 6
P-value = 0.0001

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Table 2: Gender Distribution of ARI Cases and Distribution of Cases According to Sex and ARI Severity.

Sex
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % % % No % No % No %
male 1612 65.8 147 9.1 319 19.8 788 48.9 358 22.2
female 838 34.2 69 8.2 161 19.3 393 46.8 215 25.7
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 3.837
DF = 3
P-value = 0.280

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Table 3 : Distribution of ARI Cases According to History of LBW and Distribution of Cases According to History of LBW and Illness Severity.

History of Low birth Weight
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % % % No % No % No %
LBW 420 17.2 54 12.9 162 38.9 109 25.9 94 22.3
Normal 2030 82.8 250 12.3 422 20.8 788 38.8 570 28.1
Total 2450 100 304 12.4 585 23.9 897 36.6 664 27.1

Chi-sq = 67.316
DF =3
P-value = 0.0001

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Table 4: Distribution of ARI Cases According to the Immunization Status and Distribution of Cases According to Immunization Status and Illness Severity.

Immunizations Status
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
Fully 1514 61.8 55 3.6 138 9.1 901 59.5 421 27.8
Partially 617 25.2 73 11.9 240 38.9 181 29.4 122 19.8
Not 319 13 88 27.7 102 32.3 99 30.8 30 9.2
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 555.705
DF= 6
P-value = 0.0001

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Table 5: Nutritional Status of ARI Cases According to Distribution of Cases According to Nutritional Status and ARI Severity.

Nutrition Status
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
Under- nourished 464 19 108 23.2 132 28.4 147 31.6 77 16.8
Normal 1986 81.0 108 5.4 348 17.5 1034 52.1 496 25.0
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 200.664
DF = 3
P-value = 0.0001

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Table 6: Feeding Pattern of ARI Cases and Distribution of Cases According to Feeding Pattern and Illness Severity.

Type of Feeding
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
Bottle only 461 55.3 89 18.4 108 23.7 140 30.7 124 27.2
Breast only 224 27.2 20 8.9 36 16.1 80 35.7 88 39.3
Mixed 139 17.5 31 25.0 102 32.3 99 30.8 30 9.2
Total 824 100 140 17.0 48 33.3 40 27.8 20 13.9

Chi-sq = 46.130
DF= 6
P-value = 0.0001

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Table 7: History of Major or Chronic Illnesses of Cases and Distribution of Cases According to Such History and ARI Severity.

Child history of major or chronic illness
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
Yes 417 17.0 98 23.5 78 18.9 182 43.5 59 14.1
No 2033 83.0 118 5.8 402 19.8 999 49.1 514 25.3
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 143.545
DF = 3
P-value = 0.0001

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Table 8: Residency Distribution of Cases and Distribution of Cases According to Residency Distribution and ARI Severity.

Residency
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
Urban 2078 84.8 133 6.4 416 20.0 956 46.0 573 27.6
Rural 372 15.2 83 22.4 64 17.1 225 60.5 0 0
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 208.179
DF= 3
P-value = 0.0001

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Table 9: Distribution of ARI Cases According to Maternal Smoking and Distribution of Cases According to Maternal Smoking and ARI Severity.

Mother Smoking
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
Yes 99 4.0 16 15.0 10 10.0 64 65.6 9 10.0
No 2351 96.0 200 8.5 470 20.0 1117 47.5 564 24.0
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 25.860
DF = 3
P-value = 0.0001

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Table 10: Distribution of ARI According to Paternal Smoking and Distribution of Cases According to Paternal Smoking and ARI Severity.

Father Smoking
Case
Severity of ARI
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
  No % No % No % No % No %
Yes 1332 54.4 109 8.1 234 17.6 646 48.5 343 25.8
No 1118 45.6 107 9.6 246 22.0 535 47.8 230 20.6
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 14.454
DF = 3
P-value = 0.002

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Table 11: Mother Educational Level of Cases and Distribution of Cases According to Mother Educational Level and ARI Severity.

Educational Level of Mother

Case

Severity of ARI Cases

Very Severe Disease

Severe Pneumonia

Pneumonia

No Pneumonia

No

%

No

%

No

%

No

%

No

%

Illiterate

623

25.4

74

12.0

103

16.5

387

62.1

59

9.4

Primary

891

36.4

98

11.0

196

22.0

392

44.0

205

23.0

Secondary

774

31.6

44

5.7

157

20.3

343

44.3

230

29.7

Higher

162

6.6

0

0

24

15.1

59

36.4

79

48.5

Total

2450

100

216

8.8

480

19.6

1181

48.2

573

23.4

Chi-sq = 186.921
DF = 9

P-value = 0.0001

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Table 12: Father Educational Level of Cases and Distribution of Cases According to Father Educational Level and ARI Severity.

Educational Level of Father

Case

Severity of ARI Cases

Very Severe Disease

Severe Pneumonia

Pneumonia

No Pneumonia

No

%

No

%

No

%

No

%

No

%

Illiterate

397

16.2

54

13.6

88

22.2

226

56.8

29

7.4

Primary

725

29.6

73

10.1

196

27.0

363

50.0

93

12.9

Secondary

911

37.2

64

7.0

147

16.1

411

45.1

289

31.8

Higher

417

17.0

25

5.8

49

11.7

181

43.5

162

39.0

Total

2450

100

216

8.8

480

19.6

1181

48.2

573

23.4

Chi-sq = 217.912
DF = 9
P-value = 0.0001

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Table 13: Distribution of ARI Cases According to Family History of Chronic Respiratory Problems and Distribution of Cases According to Such History with ARI Severity.

Chronic Respiratory Problems Among Household Members
Case
Severity of ARI Cases
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
No % No % No % No % No %
Yes 363 14.8 39 10.8 79 21.6 138 37.9 107 29.7
No 2087 85.2 177 8.5 401 19.2 1043 50.0 466 22.3
Total 2450 100 216 8.8 480 19.6 1181 48.2 573 23.4

Chi-sq = 18.751                                                                                                         
DF = 3
P-value = 0.05

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Table 14: Distribution of ARI Cases According to Family History of Asthma Distribution of Cases According Such History with ARI Severity

Family History of Asthma
Case
Severity of ARI Cases
Very Severe Disease Severe Pneumonia Pneumonia
No % No % No % No %
Yes 1275 52.0 103 8.1 250 19.6 642 50.4
No 1175 48.0 113 9.6 230 19.6 539 45.8
Total 2450 100 216 8.8 480 19.6 1181 48.2

Chi-sq = 6.504
DF = 3
P-value = 0.090

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Table 15: Distribution of ARI Cases According to Crowding Index and Distribution of Cases According to Crowding Index and ARI Severity

Crowding Index
Case
Severity of ARI Cases
Very Severe Disease Severe Pneumonia Pneumonia No Pneumonia
No % No % No % No % No %
<3 695 28.4 34 4.9 132 19.1 392 56.3 137 19.7
3~5 1000 40.8 74 7.4 206 20.6 416 41.6 304 30.4
>5 755 30.8 108 14.3 142 18.8 373 49.4 132 17.5
Total 2450 100 216 8.8 480 19.6 1181 48.2 575 23.4

Chi-sq = 96.351
DF = 6
P-value =- 0.0001

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Table 16: Frequency Distribution of Clinical Signs and Symptoms Considered by Mothers to Reflect the Seriousness of ARI

Signs and Symptoms Number of Mothers %

Fever

Cough

Breathing difficulty

Running nose

Wheezing

Feeding difficulty

Rapid breath

Cyanosis

Sleep disturbance

Drinking difficulty

Conclusion

Chest in drawing

2291

2276

1100

1017

953

877

539

211

100

96

10

5

93.5

92.9

44.9

41.5

38.9

35.8

22

8.6

4.1

3.9

0.4

0.2

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Table 17: The Clinical Signs Considered the Seriousness of ARI

Dangerous sign No %

Fever

Cough

Breathing difficulty

Running nose

Rapid breath

Feeding difficulty

Wheezing

Bluish

Drinking difficulty

Sleep disturbance

Chest in drawing

Malnutrition

2132

1553

1093

627

564

279

162

123

74

74

25

20

87%

63.4%

44.6%

25.6%

23.0%

11.4%

6.6%

5%

3%

3%

1%

0.8%

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Table 18: Distribution of ARI Cases According to Admission to Hospital and Disease Severity

Hospital Admission
Very Severe Disease
%
Severe Pneumonia % Pneumonia % No. Pneumonia % Total
Yes 196 90.9 446 92.9 652 55.2 176 30.8 1470
No 20 9.1 34 7.1 529 44.8 397 69.2 980
Total 216 100 480 100 1181 100 573 100 2450

Chi-sq =517.800
DF = 3
P-value = 0.0001

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Table 19: Distribution of Antibiotic Uses in ARI Cases According to Illness Severity

Antibiotic Uses                                             Severity of ARI Cases
Very Severe Disease % Severe Pneumonia % Pneumonia % No Pneumonia % Total
Yes 216 100 480 100 985 83.4 324 56.4 2005
No 0 0 0 0 196 16.6 249 43.6 445
Total 216 100 480 100 1181 100 573 100 2450

Chi-sq = 403.022
Df = 3
P- value = 0.0001

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Table 20: Type of Decision to Seek Medical Advice

Treated by No %
Private clinic 1049 42.8%
Health center 356 14.4%
Hospital 294 12.0%
Public clinic 294 12.0%
Home management 260 10.6%
Do nothing 54 2.2%
Drug from pharmacy 147 6%

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