Elisha Ernest1, Tamar Wainstock2, Eyal Sheiner3, Idit Segal4, Daniella Landau5, Asnat Walfisch3. 1. Joyce and Irving Goldman Medical School, Faculty of Health Sciences, Ben-Gurion University of the Negev, P.O.B 653, 8410501, Beer-Sheva, Israel. elishaernest@gmail.com. 2. Department of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. 3. Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel. 4. Ministry of Health, Jerusalem, Israel. 5. Department of Neonatology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
Abstract
The objective of this study is to investigate whether a significant association exists between low 5-min Apgar scores (< 7) and respiratory morbidity of the offspring. A population-based cohort analysis was performed comparing subtypes of respiratory morbidity leading to hospitalizations among children (up to age 18 years) stratified by their 5 min Apgar scores. Data were collected from two databases of a regional tertiary center. All singleton deliveries occurring between 1991 and 2014 were included in the analysis. A Kaplan-Meier survival curve was constructed to compare cumulative respiratory-related hospitalization incidence and a Cox proportional hazards model to control for confounders. Deliveries (238,622) met the inclusion criteria. Low 5-min Apgar scores were recorded in 742 (0.3%) newborns. Incidence of respiratory hospitalizations was higher among the low 5 min Apgar score group (7.3 vs. 4.8% in the normal [≥ 7] 5 min Apgar score group; OR = 1.5, 95%CI 1.2-2.0, p = 0.003). Association remained significant in the Cox model (aHR = 1.4, 95%CI 1.1-1.9, p = 0.01). Incidence of respiratory-related hospitalizations in preterm born offspring was higher among the low vs. the normal 5 min Apgar score groups (13.4 vs. 7.2%, OR = 2.0, 95%CI 1.2-3.1 , p = 0.008). Association remained significant in the multivariable analysis (aHR = 1.6, 95%CI 1.1-2.5, p = 0.03). The survival curves demonstrated significantly higher cumulative respiratory morbidity in the low Agar score group for the entire cohort and for the preterm born subgroup. Conclusion: Newborns, of any gestational age, with low 5 min Apgar scores appear to be at an increased risk for pediatric respiratory morbidity. What is Known: • Apgar score is a method for assessment of the medical condition of a newborn, and of the need for medical intervention and/or resuscitation. Studies assesing the correlation between low Apgar score and short or long term outcomes report a sgnificant correlation with different outcomes including neurological development and more. As two of its five components (color and respiratory effort) are utilizing the respiratory status, low Apgar scoreis associated with a higher risk for immedisate respiratory morbidity. What is New: • Low Apgar score increases the chances for several long-term respiratory-related morbidities, independent of gestational age and other obstetrical circumstances.
The objective of this study is to investigate whether a significant association exists between low 5-min Apgar scores (< 7) and respiratory morbidity of the offspring. A population-based cohort analysis was performed comparing subtypes of respiratory morbidity leading to hospitalizations among children (up to age 18 years) stratified by their 5 min Apgar scores. Data were collected from two databases of a regional tertiary center. All singleton deliveries occurring between 1991 and 2014 were included in the analysis. A Kaplan-Meier survival curve was constructed to compare cumulative respiratory-related hospitalization incidence and a Cox proportional hazards model to control for confounders. Deliveries (238,622) met the inclusion criteria. Low 5-min Apgar scores were recorded in 742 (0.3%) newborns. Incidence of respiratory hospitalizations was higher among the low 5 min Apgar score group (7.3 vs. 4.8% in the normal [≥ 7] 5 min Apgar score group; OR = 1.5, 95%CI 1.2-2.0, p = 0.003). Association remained significant in the Cox model (aHR = 1.4, 95%CI 1.1-1.9, p = 0.01). Incidence of respiratory-related hospitalizations in preterm born offspring was higher among the low vs. the normal 5 min Apgar score groups (13.4 vs. 7.2%, OR = 2.0, 95%CI 1.2-3.1 , p = 0.008). Association remained significant in the multivariable analysis (aHR = 1.6, 95%CI 1.1-2.5, p = 0.03). The survival curves demonstrated significantly higher cumulative respiratory morbidity in the low Agar score group for the entire cohort and for the preterm born subgroup. Conclusion: Newborns, of any gestational age, with low 5 min Apgar scores appear to be at an increased risk for pediatric respiratory morbidity. What is Known: • Apgar score is a method for assessment of the medical condition of a newborn, and of the need for medical intervention and/or resuscitation. Studies assesing the correlation between low Apgar score and short or long term outcomes report a sgnificant correlation with different outcomes including neurological development and more. As two of its five components (color and respiratory effort) are utilizing the respiratory status, low Apgar scoreis associated with a higher risk for immedisate respiratory morbidity. What is New: • Low Apgar score increases the chances for several long-term respiratory-related morbidities, independent of gestational age and other obstetrical circumstances.
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