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Acute sporadic non-A, non-B hepatitis in a pediatric population living in Cairo, Egypt
K C Hyams1, M McCarthy, S el-Shimy
1Epidemiology Division, Naval Medical Research Institute, Bethesda, MD 20814-5055.
Insights
Non-A, non-B hepatitis is a significant cause of acute hepatitis in children in Cairo, Egypt. Risk factors include blood transfusions and medical injections, differing from hepatitis A transmission routes.
Area of Science:
- Pediatrics
- Infectious Diseases
- Hepatology
Background:
- Acute viral hepatitis is a common pediatric illness globally.
- Understanding etiological agents and transmission routes is crucial for public health interventions.
- Hepatitis A, B, and emerging non-A, non-B forms pose significant challenges in developing countries.
Purpose of the Study:
- To investigate the etiological spectrum and risk factors of acute viral hepatitis in children in Cairo, Egypt.
- To differentiate between hepatitis A, B, and non-A, non-B hepatitis in a pediatric cohort.
- To identify epidemiological factors associated with different hepatitis types.
Main Methods:
- A case-control study involving 104 children with acute hepatitis and 100 healthy controls under 13 years old.
- Subjects were recruited from a public pediatric clinic in Cairo, Egypt.
- Data on medical history, family contacts, and socioeconomic status were collected.
Main Results:
- Non-A, non-B hepatitis was the most frequent diagnosis (49%), followed by hepatitis A (44%).
- Hepatitis A was associated with family contact with jaundice.
- Non-A, non-B hepatitis was linked to blood transfusions, medical injections, and community jaundice exposure.
Conclusions:
- Non-A, non-B hepatitis is a major cause of acute sporadic hepatitis in this pediatric population.
- Distinct epidemiological profiles exist for hepatitis A and non-A, non-B hepatitis in Egyptian children.
- Public health strategies should address the specific transmission routes for each hepatitis type.
Abstract:
One-hundred and four cases of acute viral hepatitis and 100 controls 13 years of age and less were entered into a study of acute hepatitis in children in Cairo, Egypt. Study subjects, who were mainly from a lower socioeconomic level, were selected from a public pediatric clinic. Acute non-A, non-B hepatitis was diagnosed in 51 (49%) patients, hepatitis A in 46 (44%), possible hepatitis B in three (3%), and EBV hepatitis in four (4%) patients. Contact with a family member with jaundice was found to be significantly associated with hepatitis A. A history of a blood transfusion, a medical injection, and knowledge of an individual outside of the household with jaundice during the prior six months were significantly associated with non-A, non-B hepatitis. A significant association was not found between the type of hepatitis and the age and gender of study subjects and the extent of household crowding. In this pediatric population living in an urban area of a developing country, non-A, non-B hepatitis was found to be a major cause of acute sporadic hepatitis.