ArticlePediatric reports2026
Morbidity and Mortality of Very-Low-Birth-Weight Preterm Neonates in a Tertiary Neonatal Intensive Care Unit in Northeastern Mexico: A Five-Year Retrospective Cohort Study.
Article in Pediatric reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPrematurity remains a major global health challenge and is a leading cause of neonatal morbidity and mortality worldwide. The risk of adverse outcomes is inversely associated with gestational age and birth weight. Although advances in neonatal intensive care have improved survival rates over recent decades, very-low-birth-weight (VLBW) preterm neonates continue to experience substantial morbidity and remain vulnerable to long-term complications.
objectiveThis study aimed to evaluate the morbidity and mortality of very-low-birth-weight preterm neonates (<1500 g) admitted to the Neonatal Intensive Care Unit (NICU) of the Hospital Regional de Alta Especialidad de Ciudad Victoria (HRAEV), Mexico. MATERIALS AND
methodsA retrospective observational cohort study was conducted through a review of medical records of VLBW preterm neonates admitted to the NICU between January 2019 and December 2023. Demographic, perinatal, clinical, and outcome-related data were collected and analyzed.
resultsA total of 58 VLBW preterm neonates were included. Mean gestational age was 29.8 ± 2.7 weeks, and mean birth weight was 1109 ± 238 g. The most common morbidities were respiratory distress syndrome (81.0%), apnea of prematurity (72.4%), hyperbilirubinemia (68.9%), pneumonia (34.5%), sepsis (32.7%), patent ductus arteriosus (25.8%), bronchopulmonary dysplasia (26.9% among infants who survived to 36 weeks' PMA), necrotizing enterocolitis (15.5%), and intraventricular hemorrhage (12.0%) and retinopathy of prematurity (8.6%). Overall mortality was 10.3%.
conclusionsVLBW preterm neonates remain at high risk for significant morbidity despite relatively favorable survival rates. Respiratory distress syndrome, apnea of prematurity, hyperbilirubinemia, and sepsis were the most frequent complications, whereas deaths occurred mainly in the context of severe respiratory and systemic complications, including neonatal asphyxia, pulmonary hypertension, sepsis, shock, and multiple organ failure. Survival outcomes should be interpreted cautiously because of differences in study populations, referral patterns, local viability practices, and study design across neonatal settings.
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