Abstract
BackgroundSmall bowel obstruction (SBO) is a well‐known major postoperative complication requiring immediate diagnosis and treatment to avoid additional invasive surgical procedures. Water‐soluble contrast medium is often given not only for diagnosis but also for treatment. Although numerous studies have investigated the significance of this treatment, no consensus has yet been established regarding its indications and efficacy.ObjectiveTo explore whether Gastrografin can reduce the need for additional surgery in patients with postoperative SBO (PSBO).MethodsWe carried out a comprehensive electronic search of the literature (Cochrane Library, MEDLINE, PubMed and the Web of Science) up to February 2017 to identify studies that had shown efficacy of Gastrografin in reducing the need for surgery in patients with PSBO. To integrate the individual effects of Gastrografin, a meta‐analysis was done using random‐effects models to calculate the risk ratio (RR) and 95% confidence interval (CI), and heterogeneity was analyzed using I 2 statistics.ResultsTwelve studies involving a total of 1153 patients diagnosed as having PSBO were included in this meta‐analysis. Not all patients received long‐tube insertion. Among 580 patients who received Gastrografin, 100 (17.2%) underwent surgery, whereas among 573 patients who did not receive Gastrografin, 143 (25.0%) underwent surgery. Giving Gastrografin significantly reduced the need for surgery (RR, 0.66; 95% CI, 0.46‐0.95; P = 0.02; I 2 = 52%) in comparison with patients who did not receive Gastrografin.ConclusionResults of this meta‐analysis show that giving Gastrografin reduces the need for surgery in PSBO patients without long‐tube insertion.
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