The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2017
Risk for postpartum hemorrhage, transfusion, and hemorrhage-related morbidity at low, moderate, and high volume hospitals.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Merriam Audrey A, Wright Jason D, Siddiq Zainab, D'Alton Mary E, Friedman Alexander M, Ananth Cande V, Bateman Brian T
Аннотация
OBJECTIVE: The objective of this study was to characterize risk for and temporal trends in postpartum hemorrhage across hospitals with different delivery volumes.
STUDY DESIGN: This study used the Nationwide Inpatient Sample (NIS) to characterize risk for postpartum hemorrhage from 1998 to 2011. Hospitals were classified as having either low, moderate or high delivery volume (≤1000, 1001 to 2000, >2000 deliveries per year, respectively). The primary outcomes included postpartum hemorrhage, transfusion, and related severe maternal morbidity. Adjusted models were created to assess factors associated with hemorrhage and transfusion.
RESULTS: Of 55,140,088 deliveries included for analysis 1,512,212 (2.7%) had a diagnosis of postpartum hemorrhage and 361,081 (0.7%) received transfusion. Risk for morbidity and transfusion increased over the study period, while the rate of hemorrhage was stable ranging from 2.5 to 2.9%. After adjustment, hospital volume was not a major risk factor for transfusion or hemorrhage.
DISCUSSION: While obstetric volume does not appear to be a major risk factor for either transfusion or hemorrhage, given that transfusion and hemorrhage-related maternal morbidity are increasing across hospital volume categories, there is an urgent need to improve obstetrical care for postpartum hemorrhage. Those risk factors are able to discriminate women at increased risk supports routine use of hemorrhage risk assessment.
STUDY DESIGN: This study used the Nationwide Inpatient Sample (NIS) to characterize risk for postpartum hemorrhage from 1998 to 2011. Hospitals were classified as having either low, moderate or high delivery volume (≤1000, 1001 to 2000, >2000 deliveries per year, respectively). The primary outcomes included postpartum hemorrhage, transfusion, and related severe maternal morbidity. Adjusted models were created to assess factors associated with hemorrhage and transfusion.
RESULTS: Of 55,140,088 deliveries included for analysis 1,512,212 (2.7%) had a diagnosis of postpartum hemorrhage and 361,081 (0.7%) received transfusion. Risk for morbidity and transfusion increased over the study period, while the rate of hemorrhage was stable ranging from 2.5 to 2.9%. After adjustment, hospital volume was not a major risk factor for transfusion or hemorrhage.
DISCUSSION: While obstetric volume does not appear to be a major risk factor for either transfusion or hemorrhage, given that transfusion and hemorrhage-related maternal morbidity are increasing across hospital volume categories, there is an urgent need to improve obstetrical care for postpartum hemorrhage. Those risk factors are able to discriminate women at increased risk supports routine use of hemorrhage risk assessment.