Abstract
Background
Motorized spiral enteroscopy (MSE) is a novel advance in small bowel examination that is characterized as fast with a deep insertion. The aim of this study was to elucidate the effectiveness and safety of MSE.
Methods
Relevant articles that were published before November 1, 2022 were identified by searching PubMed, EMBASE, Cochrane, and the Web of Science. The technical success rate (TSR), total (pan)-enteroscopy rate (TER), depth of maximum insertion (DMI), diagnostic yield, and adverse events were extracted and analyzed. Forest plots were graphed based on random effects models.
Results
A total of 876 patients from 8 studies were eligible for analysis. The pooled results of the TSR were 95.0% [95% confidence interval (CI) 91.0–98.0%, I2 = 78%, p < 0.01] and the pooled outcome of the TER was 43.1% (95% CI 24.7–62.5%, I2 = 95%, p < 0.01). The pooled results of the diagnostic and therapeutic yields were 77.2% (95% CI 69.0–84.5%, I2 = 84%, p < 0.01) and 49.0% (95% CI 38.0–60.1%, I2 = 89%, p < 0.01), respectively. The pooled estimates of adverse and severe adverse events were 17.2% (95% CI 11.9–23.2%, I2 = 75%, p < 0.01) and 0.7% (95% CI 0.0–2.1%, I2 = 37%, p = 0.13), respectively.
Conclusion
MSE is a novel alternative approach for small bowel examination that can achieve high TER and diagnostic and therapeutic yields, and relatively low rates of severe adverse events. Head-to-head studies comparing MSE and other device-assisted enteroscopies are warranted.
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Funding
Yizi Wang has received research funding by 345 Talent Project from Shengjing Hospital of China Medical University and Basic Scientific Research Project of Education Department of Liaoning Province.
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Dr. Yizi Wang, Dr. Bin Ma, Dr. Wenya Li and Dr. Peiwen Li have no conflicts of interest.
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Wang, Y., Ma, B., Li, W. et al. Effectiveness and safety of novel motorized spiral enteroscopy: a systematic review and meta-analysis. Surg Endosc 37, 6998–7011 (2023). https://doi.org/10.1007/s00464-023-10179-7
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DOI: https://doi.org/10.1007/s00464-023-10179-7