Abstract
Background: Depending on the level of care and the availability of pediatric intensive care unit (PICU) facilities, the mortality rate of acutely ill children varies in PICUs. Referral of patients from other medical centers, admission during working or off-work hours, and nosocomial infections are the most important risk factors for the high mortality rates in PICUs. Objectives: The present study aimed to investigate the characteristics and factors related to the risk of mortality in pediatric patients admitted to the PICU of a pediatric hospital in Qazvin, Iran. Methods: This cross-sectional study was performed on children admitted to the PICU of a pediatric hospital in Qazvin, Iran, between June 2017 and June 2020. During this period, a total of 1504 children, aged one month to 13 years, were admitted to the PICU, and 106 cases expired. The patients’ clinical data (ie, demographic characteristics, underlying disease, cause of death, and length of hospital stay) was extracted from their medical records. A prolonged length of stay was defined as more than 28 days of PICU admission. Results: A total of 106 children, with a mean age of 3.89 ± 3.23 years, expired during the study, with 41 (38.7%) cases being male. Among the investigated cases, 61 (57%) were < 2 years, 18 (17%) were 2 - 5 years old, and 27 (26%) were ≥ 6 years. In these patients, sepsis (13/82, 15.85%) and pneumonia (10/82, 12.19%) were the main causes of death. Other mortalities (14/106) were due to infectious diseases (gastroenteritis, influenza, and coronavirus disease) and non-infectious diseases (aspiration, anaphylaxis, and electrocution). The majority of children with a prolonged length of stay were < 2 years (17/23, 74%). The length of PICU stay was shorter in children with a lower weight percentile (P = 0.016). Conclusions: Following infectious diseases, congenital abnormalities and genetic disorders were the most common causes of pediatric mortality. Chronically ill children were more likely to be underweight and develop nutritional disorders, leading to the deterioration of their condition.
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