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Title: [Analysis of emergency obstetric hysterectomy: the change of indications and the application of intraoperative interventions].
Author: Chen J, Cui H, Na Q, Li Q, Liu C.
Journal: Zhonghua Fu Chan Ke Za Zhi; 2015 Mar; 50(3):177-82. PubMed ID: 26268406.
Abstract:
OBJECTIVE: To investigate the change of indications of emergency obstetric hysterectomy and the clinical application of intraoperative interventions. And to provide evidence for prevention of hysterectomy and improvement of obstetric quality. METHODS: Clinical data were collected from 97 patients who received emergency obstetric hysterectomy at Shengjing Hospital of China Medical University between January 1st, 2004 and December 31st, 2013. The patients were divided into two groups by the time point of January 1st, 2009: the first group was cases treated between January 1st, 2004 and December 31st, 2008, while the second group was cases treated between January 1st, 2009 and December 31st, 2013. The clinical indicators, surgical indications, intraoperative interventions, and blood loss between the two groups were analyzed retrospectively. RESULTS: (1) Incidence: 54 857 women delivered at Shengjing Hospital of China Medical University between January 1st, 2004 and December 31st, 2013. Of them, 97 patients received emergency obstetric hysterectomy, with an incidence of 0.177% (97/54 857). (2) The 17 patients delivered vaginally (18%,17/97) and 80 by caesarean section (83%,80/97). Forty-nine patients experienced repregnancy with scar uterus (51% , 49/97). About 41 patients underwent abdominal total hysterectomy (42%,41/97) and 56 received subtotal hysterectomy (58%, 56/97). (3) The number of patients were comparable between the two groups (50 vs 47; P > 0.05). (4) The main surgical indication was uterine inertia (45%, 44/97). The main causes of uterine inertia were excessive uterine tension (45%, 20/44) and placental abruption due to gestational hypertension (32%, 14/44). Of all the indications, 29 patients in the first group (58%, 29/50) and 15 patients in the second group (32%, 15/47) suffered from postpartum hemorrhage. Pathological placenta embedment occurred in 15 patients in the first group (30%, 15/50) and 25 patients in the second group (53%, 25/47). The incidences of postpartum hemorrhage due to uterine inertia or pathological placenta embedment were significantly different between the two groups (both P < 0.05), respectively. (5) In the first group, the average preoperative blood loss was (2 900±1 900) ml, and the average intraoperative amount of infused white & red blood cells was (5.9±3.5) U, with the average operation time of (2.2±1.8) hours and the average in-hospital duration of (7.8±2.3) days. In the second group, the average preoperative blood loss was (3 100± 2 200) ml, and the intraoperative amount of infused white & red blood cells was (6.2±5.2) U, with the average operation time of (2.5±2.1) hours and the average in-hospital duration of (7.9±2.9) days. There was no significant difference between the two groups in any of these indicators (P > 0.05). Postpartum hemorrhage was usually treated with uterine packing in the first group, but was preferentially treated with potent uterine contraction agents, arterial ligation, uterine balloon compression or B-Lynch suture in the second group. The therapeutic effects of these new treatments were significantly better than uterine packing (P < 0.05). CONCLUSIONS: The incidence of emergency obstetric hysterectomy did not change significantly in the past decade. However, the indications and intraoperative interventions have changed significantly in the second five years compared with the first five years. The main surgical indications were uterine inertia and postpartum hemorrhage due to pathological placenta embedment. Therefore, strict control of caesarean section indications was important to reduce emergency obstetric hysterectomy.

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