Background:The purpose of this meta-analysis from randomized controlled trials (RCTs) was to determine the efficacy and safety of the preoperative use of gabapentin for the treatment of acute and chronic postoperative pain following breast cancer surgery.Methods:In November 2017, a systematic computer-based search was conducted in PubMed, Embase, Web of Science, Cochrane Library, and Google databases. RCTs comparing gabapentin with placebo in patients undergoing breast cancer surgery were retrieved. The primary endpoint was the visual analog scale (VAS) after surgery and 24 hours after surgery and total morphine consumption. The secondary outcomes were incidence of chronic pain and complications (the incidence of nausea). Software Stata 12.0 was used for meta-analysis.Results:Finally, 9 RCTs were included in the meta-analysis. Results indicated that gabapentin was associated with reduced pain scores after surgery and 24 hours after surgery. Meanwhile, oral gabapentin was associated with a reduction of the total morphine consumption after breast cancer surgery. Similarly, gabapentin was associated with a reduction in the incidence of chronic pain and the incidence of nausea.Conclusions:Preoperative use of gabapentin was able to reduce acute and chronic postoperative pain, total morphine consumption and the occurrence of nausea following breast cancer surgery. Further studies should determine the optimal dose of gabapentin for pain control after breast cancer surgery.
Background: The combined therapy of Chinese herbal formula and western medicine against gastroesophageal reflux disease (GERD) could significantly improve the clinical effect, reduce the recurrence rate and the side effects of western medicine, and even reduce the dosage and course of treatment of western medicine. This study tried to systematically evaluate the efficacy and safety traditional Chinese herbal formula combined with western medicine in the treatment of GERD. Methods: Randomized controlled trials of traditional Chinese herbal formula combined with western medicine for GERD patients will be systematically searched using the PubMed, Embase, Medline, Cochrane Library, China National Knowledge Infrastructure (CNKI), Wanfang database, Chongqing VIP Chinese Science and Technology Periodical Database, and Chinese Biological and Medical database (CMB) until Aug. 28, 2020. Two researchers will perform data extraction and risk of bias assessment independently. Statistical analysis will be conducted in RevMan 5.3. Results: This study will summarize the present evidence by exploring the efficacy and safety of traditional Chinese herbal formula combined with western medicine in the treatment of GERD. Conclusions: The findings of the study will help to determine potential benefits of traditional Chinese herbal formula combined with western medicine against GERD. Ethics and dissemination: The private information from individuals will not be published. This systematic review also will not involve endangering participant rights. Ethical approval is not required. The results may be published in a peer-reviewed journal or disseminated in relevant conferences. OSF Registration number: DOI 10.17605/OSF.IO/RSAVF.
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