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[A multicenter, double-blind, randomized controlled clinical trial comparing ergometrine with oxytocin and oxytocin alone for prevention of postpartum hemorrhage at cesarean section]
He GL, Pan TY, Liu XX, He SY, Zhang L, Feng WS, Zhang J, He J, Xin W, Zhou YL, et al
Zhonghua fu chan ke za zhi. 2022;57(11):836-842
Abstract
Objective: To compare oxytocin combined with ergometrine with oxytocin alone in terms of primary prophylaxis for postpartum hemorrhage (PPH) at the time of cesarean section (CS). Methods: This was a multicenter double-blind randomized controlled interventional study comparing ergometrine combined with oxytocin and oxytocin alone administered at CS. From December 2018 to November 2019, a total of 298 parturients were enrolled in 16 hospitals nationwide. They were randomly divided into experimental group (ergometrine intra-myometrial injection following oxytocin intravenously; 148 cases) and control group (oxytocin intra-myometrial injection following oxytocin intravenously; 150 cases) according to 1∶1 random allocation. The following indexes were compared between the two groups: (1) main index: blood loss 2 hours (h) after delivery; (2) secondary indicators: postpartum blood loss at 6 h and 24 h, placental retention time, incidence of PPH, the proportion of additional use of uterine contraction drugs, hemostatic drugs or other hemostatic measures at 2 h and 24 h after delivery, the proportion requiring blood transfusion, and the proportion of prolonged hospital stay due to poor uterine involution; (3) safety indicators: nausea, vomiting, dizziness and other adverse reactions, and blood pressure at each time point of administration. Results: (1) The blood loss at 2 h after delivery in the experimental group [(402±18) ml] was less than that in the control group [(505±18) ml], and the difference was statistically significant (P<0.05). (2) The blood loss at 6 h and 24 h after delivery in the experimental group were less than those in the control group, and the differences were statistically significant (all P<0.05). There were no significant differences between the two groups in the incidence of PPH, the proportion of additional use of uterine contraction drugs, hemostatic drugs or other hemostatic measures at 2 h and 24 h after delivery, the proportion requiring blood transfusion, and the proportion of prolonged hospital stay due to poor uterine involution (all P>0.05). (3) Adverse reactions occurred in 2 cases (1.4%, 2/148) in the experimental group and 1 case (0.7%, 1/150) in the control group. There was no significant difference between the two groups (P>0.05). The systolic blood pressure within 2.0 h and diastolic blood pressure within 1.5 h of drug administration in the experimental group were higher than those in the control group, and the differences were statistically significant (P<0.05), but the blood pressure of the two groups were in the normal range. Conclusion: The use of ergometrine injection in CS could reduce the amount of PPH, which is safe and feasible.
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Risk factors for massive hemorrhage during the treatment of cesarean scar pregnancy: a systematic review and meta-analysis
Zhang Y, Zhang Z, Liu X, Zhang L, Hong F, Lu M
Archives of gynecology and obstetrics. 2020
Abstract
PURPOSE Cesarean scar pregnancy (CSP) is one of the serious complications associated with cesarean delivery (CD). This meta-analysis aims to identify risk factors associated with massive hemorrhage during the CSP treatment. METHODS Eight electronic databases were searched for case-control studies published before December 31th, 2018, which compared the possible factors causing massive bleeding during the CSP treatment. Quantitative synthesis was performed by RevMan 5.3. Sensitivity analysis and publication bias were performed by Stata 12.0. RESULTS Total 20 case - control studies including 3101 CSP patients with previous CD met the inclusion criteria. Bleeding group had 573 patients and the control group had 2528 patients. The risk factors for massive bleeding during CSP treatment included multiple gravidities (MD = 0.15, 95% CI 0.03-0.28, P = 0.73), big maximum diameter of gestation sac (MD = 18.49 mm, 95%CI 15.34-21.65, P < 0.01), high gestational days (MD = 8.98 days, 95% CI 4.12-13.84, P < 0.01), high β-HCG level (MD = 21.39 IU/ml, 95% CI 7.36-35.41, P = 0.03; MD = 3.02 U/ml, 95% CI 0.21-5.84, P < 0.01) and rich blood flow around the lesion (OR = 6.73, 95% CI 3.93-11.51, P = 0.59). While, thick myometrium (MD = - 4.94 mm, 95% CI - 6.12 to - 3.75, P < 0.01) may be protective factor. CONCLUSIONS Multiple gravidities, big gestation sac, large gestational days, high serum β-HCG level, abundant blood supply to pregnancy sac and thin myometrium maybe the risk factors for massive bleeding during the CSP treatment.
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[Acupuncture artificial menstrual cycle method for abnormal uterine bleeding-ovulatory dysfunction (spleen deficiency syndrome)]
Zhang L, Li J, Pan S, Zhang X, Li Y, Hu S, Chen W
Zhongguo zhen jiu = Chinese acupuncture & moxibustion. 2019;39(5):489-94
Abstract
OBJECTIVE To compare the clinical efficacy between acupuncture artificial menstrual cycle method and medication artificial menstrual cycle method for abnormal uterine bleeding-ovulatory (AUB-O) dysfunction (spleen deficiency syndrome). METHODS Sixty patients were randomly assigned into an observation group and a control group, 30 cases in each one. 3 cases dropped out in the observation group and 27 cases were included into analysis; 2 cases dropped out in the control group and 28 cases were included into analysis. The patients in the observation group were treated with acupuncture artificial menstrual cycle method. The acupoints were selected according to different stages of menstrual cycle. The acupuncture was given for 30 min per treatment, once every other day; no treatment was given during menstrual period. Xuehai (SP 10), Sanyinjiao (SP 6), Taixi (KI 3), Guanyuan (CV 4), Qihai (CV 6), Zusanli (ST 36) and Zhangmen (LR 13) were selected after menstrual period. Taichong (LR 3), Hegu (LI 4), Yaoyangguan (GV 3), Geshu (BL 17), Ganshu (BL 18), Sanyinjiao (SP 6), Pishu (BL 20) were selected in ovulaton periods. Baihui (GV 20), Shenshu (BL 23), Yaoyangguan (GV 3), Geshu (BL 17), Sanyinjiao (SP 6), Zusanli (ST 36), Gongsun (SP 4) were selected before menstrual period. The patients in the control group were treated with medication artificial menstrual cycle method. Femoston (estradiol tablets/estradiol dydrogesterone tablets) was taken orally. The white tablets were estradiol (1 mg), while the gray tablets were estradiol (1 mg) and dydrogesterone (10 mg). The Femoston was taken once a day, white tablets for the first 14 days, then gray tablets for the last 14 days. The 28-day treatment was taken as one session, and one cycle menstrual was taken as one treatment course, and totally 3 courses were given in the two groups. The clinical symptom score was observed before and after treatment as well as in follow-up visit (3 months after treatment). The clinical efficacy was evaluated based on the total effective rate, the marked effective rate of main symptoms (including menstrual cycle, menstrual period, menstrual volume) and basal body temperature (BBT). RESULTS 1 in circle Compared before treatment, the clinical symptom score in the two groups was decreased after treatment and in the follow-up visit (P<0.05). Compared with the control group, the clinical symptom score after treatment as well as the difference of that before and after treatment had no significant difference in the observation group (P>0.05). Compared with the control group, the clinical symptom score in the follow-up visit as well as the difference of that between pre-treatment and follow-up visit had significant difference in the observation group (P<0.05, P<0.01). 2 in circle The total effective rate was 81.5% (22/27) in the observation group and 85.7% (24/28) in the control group, without significant difference between the two groups (P>0.05). 3 in circle After treatment, the marked effective rate of menstrual cycle, menstrual period, menstrual volume had no significant difference between the two groups (P>0.05); during the follow-up visit, the marked effective rate of menstrual cycle in the observation group was superior to that in the control group (P<0.05), but that of menstrual period and menstrual volume had no significant difference between the two groups (P>0.05). 4 in circle After treatment, the diphasic curve rate of BBT had no significant difference between the two groups (P>0.05); during the follow-up visit, the diphasic curve rate of BBT in the observation group was higher than that in the control group (P<0.05). CONCLUSION Acupuncture artificial menstrual cycle method has superior efficacy for AUB-O dysfunction (spleen deficiency syndrome), which has similar efficacy with medication artificial menstrual cycle method. Moreover, acupuncture has advantages in regulating menstrual cycle and improving ovulation, and has a longer curative effect.
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Uterine artery embolization versus hysterectomy in the treatment of refractory postpartum hemorrhage: a systematic review and meta-analysis
Liu Z, Wang Y, Yan J, Li J, Liu X, Zhang L, Cheng L
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. 2018;:1-13.
Abstract
INTRODUCTION We carried out a systematic review and meta-analysis to assess the safety and effectiveness of uterine artery embolization (UAE) compared with conventional hysterectomy on refractory postpartum hemorrhage (PPH). METHODS We searched PubMed, Embase, Chinese National Knowledge Infrastructure database (CNKI), Cochrane Library, and Wanfang database through October 2017 for randomized controlled trials (RCTs) and observational studies assessing the safety and effectiveness of UAE compared with hysterectomy on refractory PPH. The main outcome measures included the blood loss, operating time, hemostatic effective rate, and length of stay. RESULTS Six RCTs and nine observational studies were included in the meta-analysis, which involved 1142 women with refractory PPH. The results demonstrated that UAE was more beneficial on refractory PPH compared with hysterectomy using four scales: blood loss (WMD 893.39 mL; 95% CI: -1205.65, -581.13; p < .001); operating time (WMD -37.19 minutes; 95% CI: -44.42, -29.96; p < .001); length of stay (WMD -5.36 days; 95% CI: -5.76, -4.97; p < .001), hemostatic effective rate (OR 1.58, 95% CI: 0.80, 3.12, p = .184) . CONCLUSIONS In the present meta-analysis, the positive findings suggest UAE has beneficial effects on refractory PPH. UAE significantly reduced blood loss, shortened the operating time, and length of stay compared with hysterectomy. And there is no difference between the UAE group and hysterectomy group in hemostatic effective rate. However, those findings should be treated with caution because of heterogeneity and potential biases.