Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage study

Abstract Background Neonatal intensive care unit (NICU) admission among term neonates is a rare event. The aim of this study was to study the association of the NICU admission of term neonates on the risk of long-term childhood mortality. Methods A single-center case–control retrospective study betw...

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Main Authors: Shahar Talisman, Joshua Guedalia, Rivka Farkash, Tehila Avitan, Naama Srebnik, Yair Kasirer, Michael S. Schimmel, Donia Ghanem, Ron Unger, Sorina Grisaru Granovsky
Format: Article
Language:English
Published: BMC 2023-02-01
Series:BMC Medicine
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Online Access:https://doi.org/10.1186/s12916-023-02744-7
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author Shahar Talisman
Joshua Guedalia
Rivka Farkash
Tehila Avitan
Naama Srebnik
Yair Kasirer
Michael S. Schimmel
Donia Ghanem
Ron Unger
Sorina Grisaru Granovsky
author_facet Shahar Talisman
Joshua Guedalia
Rivka Farkash
Tehila Avitan
Naama Srebnik
Yair Kasirer
Michael S. Schimmel
Donia Ghanem
Ron Unger
Sorina Grisaru Granovsky
author_sort Shahar Talisman
collection DOAJ
description Abstract Background Neonatal intensive care unit (NICU) admission among term neonates is a rare event. The aim of this study was to study the association of the NICU admission of term neonates on the risk of long-term childhood mortality. Methods A single-center case–control retrospective study between 2005 and 2019, including all in-hospital ≥ 37 weeks’ gestation singleton live-born neonates. The center perinatal database was linked with the birth and death certificate registries of the Israeli Ministry of Internal Affairs. The primary aim of the study was to study the association between NICU admission and childhood mortality throughout a 15-year follow-up period. Results During the study period, 206,509 births were registered; 192,527 (93.22%) term neonates were included in the study; 5292 (2.75%) were admitted to NICU. Throughout the follow-up period, the mortality risk for term neonates admitted to the NICU remained elevated; hazard ratio (HR), 19.72 [14.66, 26.53], (p < 0.001). For all term neonates, the mortality rate was 0.16% (n = 311); 47.9% (n = 149) of those had records of a NICU admission. The mortality rate by time points (ratio1:10,0000 births) related to the age at death during the follow-up period was as follows: 29, up to 7 days; 20, 7–28 days; 37, 28 days to 6 months; 21, 6 months to 1 year; 19, 1–2 years; 9, 2–3 years; 10, 3–4 years; and 27, 4 years and more. Following the exclusion of congenital malformations and chromosomal abnormalities, NICU admission remained the most significant risk factor associated with mortality of the study population, HRs, 364.4 [145.3; 913.3] for mortality in the first 7 days of life; 19.6 [12.1; 32.0] for mortality from 28 days through 6 months of life and remained markedly elevated after age 4 years; HR, 7.1 [3.0; 17.0]. The mortality risk related to the NICU admission event, adjusted for admission diagnoses remained significant; HR = 8.21 [5.43; 12.4]. Conclusions NICU admission for term neonates is a pondering event for the risk of long-term childhood mortality. This group of term neonates may benefit from focused health care.
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spelling doaj.art-acc4ad3dcbd04981931e5846f341e0582023-02-12T12:14:18ZengBMCBMC Medicine1741-70152023-02-0121111110.1186/s12916-023-02744-7Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage studyShahar Talisman0Joshua Guedalia1Rivka Farkash2Tehila Avitan3Naama Srebnik4Yair Kasirer5Michael S. Schimmel6Donia Ghanem7Ron Unger8Sorina Grisaru Granovsky9Department of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineThe Mina and Everard Goodman Faculty of Life Sciences, Bar Ilan UniversityDepartment of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineDepartment of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineDepartment of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineDepartment of Pediatrics, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineDepartment of Pediatrics, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineDepartment of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineThe Mina and Everard Goodman Faculty of Life Sciences, Bar Ilan UniversityDepartment of Obstetrics & Gynecology, Shaare Zedek Medical Center, Affiliated with the Hebrew University-Hadassah School of MedicineAbstract Background Neonatal intensive care unit (NICU) admission among term neonates is a rare event. The aim of this study was to study the association of the NICU admission of term neonates on the risk of long-term childhood mortality. Methods A single-center case–control retrospective study between 2005 and 2019, including all in-hospital ≥ 37 weeks’ gestation singleton live-born neonates. The center perinatal database was linked with the birth and death certificate registries of the Israeli Ministry of Internal Affairs. The primary aim of the study was to study the association between NICU admission and childhood mortality throughout a 15-year follow-up period. Results During the study period, 206,509 births were registered; 192,527 (93.22%) term neonates were included in the study; 5292 (2.75%) were admitted to NICU. Throughout the follow-up period, the mortality risk for term neonates admitted to the NICU remained elevated; hazard ratio (HR), 19.72 [14.66, 26.53], (p < 0.001). For all term neonates, the mortality rate was 0.16% (n = 311); 47.9% (n = 149) of those had records of a NICU admission. The mortality rate by time points (ratio1:10,0000 births) related to the age at death during the follow-up period was as follows: 29, up to 7 days; 20, 7–28 days; 37, 28 days to 6 months; 21, 6 months to 1 year; 19, 1–2 years; 9, 2–3 years; 10, 3–4 years; and 27, 4 years and more. Following the exclusion of congenital malformations and chromosomal abnormalities, NICU admission remained the most significant risk factor associated with mortality of the study population, HRs, 364.4 [145.3; 913.3] for mortality in the first 7 days of life; 19.6 [12.1; 32.0] for mortality from 28 days through 6 months of life and remained markedly elevated after age 4 years; HR, 7.1 [3.0; 17.0]. The mortality risk related to the NICU admission event, adjusted for admission diagnoses remained significant; HR = 8.21 [5.43; 12.4]. Conclusions NICU admission for term neonates is a pondering event for the risk of long-term childhood mortality. This group of term neonates may benefit from focused health care.https://doi.org/10.1186/s12916-023-02744-7Neonatal intensive care unit (NICU)Term neonateLong-term mortalityNICU admission diagnosis
spellingShingle Shahar Talisman
Joshua Guedalia
Rivka Farkash
Tehila Avitan
Naama Srebnik
Yair Kasirer
Michael S. Schimmel
Donia Ghanem
Ron Unger
Sorina Grisaru Granovsky
Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage study
BMC Medicine
Neonatal intensive care unit (NICU)
Term neonate
Long-term mortality
NICU admission diagnosis
title Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage study
title_full Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage study
title_fullStr Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage study
title_full_unstemmed Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage study
title_short Neonatal intensive care admission for term neonates and subsequent childhood mortality: a retrospective linkage study
title_sort neonatal intensive care admission for term neonates and subsequent childhood mortality a retrospective linkage study
topic Neonatal intensive care unit (NICU)
Term neonate
Long-term mortality
NICU admission diagnosis
url https://doi.org/10.1186/s12916-023-02744-7
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