Abstract
Objective: This study was designed to evaluate the efficacy of aspirin or heparin or both in the treatment for recurrent spontaneous abortion (RSA) in women with antiphospholipid antibody syndrome (APS).Methods: Systematic searches for randomized clinical trials (RCTs) evaluating on live birth and preterm delivery, preeclampsia, intrauterine growth restriction, gestational diabetes, bleeding of RSA with APS patients receiving aspirin, and heparin therapy were carried out, from PubMed, EMBASE, ScienceDirect, and CNKI. Related data were extracted from eligible studies and then subjected to Reviewer Manage 5.3 for analysis. Relative risk (RR) and its 95% confidence interval were calculated.Results: Nineteen publications with randomized controlled trials were selected for this study, which included a total of 1251 pregnant patients with diagnosis of RSA with APS. With respect to live birth, it was remarkably improved in aspirin plus heparin or heparin alone group [RR =1.23, 95% CI (1.12–1.36), p < .0001; RR = 1.18, 95% CI (1.03–1.35), p = .02]; aspirin alone group, however, there was no statistically significant difference compare to placebo [RR = 0.97, 95% CI (0.80–1.16), p = .71]. Meanwhile, aspirin plus heparin therapy did not significantly reduce the risk of recurrent placenta-mediated pregnancy complications including preterm birth, intrauterine growth retardation (IUGR), gestational diabetes, and minor bleeding. A beneficial therapeutic effect of heparin alone therapy was found on preventing preterm birth and low-dose aspirin plus heparin therapy was significant reduce the risk of preeclampsia.Conclusion: An improvement of pregnancy outcomes in women with RSA and APS can be achieved by treatment strategies combining low-dose aspirin plus heparin or heparin alone. Aspirin alone, by contrast, seemed inferior to other treatments in achieving more live birth.
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