期刊
INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS
卷 162, 期 2, 页码 693-702出版社
WILEY
DOI: 10.1002/ijgo.14725
关键词
cross-sectional study; diagnosis procedure combination hospital case volume; maternal comorbidities; maternal end-organ injury
This study clarifies the relationship between the number of deliveries and maternal outcomes in Japan, showing a higher frequency of pulmonary embolism in hospitals with a low number of deliveries. The findings suggest an association between hospital case volume and preventable complications.
ObjectiveTo clarify the relationship between the number of deliveries and maternal outcomes in Japan, considering the declining birth rate and the evidence that hospitals with few deliveries have medical safety issues. MethodsHospitalizations for deliveries were analyzed using the Diagnosis Procedure Combination database from April 2014 to March 2019, after which maternal comorbidities, maternal end-organ injury, medical treatment during hospitalization, and hemorrhage volume during delivery were compared. Hospitals were divided into four groups based on the number of deliveries per month. ResultsA total of 792 379 women were included in the analysis, among whom 35 152 (4.4%) received blood transfusions, with a median blood loss of 1450 mL during delivery. Regarding complications, pulmonary embolism was significantly more frequent in hospitals with the lowest number of deliveries. ConclusionUsing a Japanese administrative database, this study suggests an association between hospital case volume and the occurrence of preventable complications, such as pulmonary embolisms.
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