ArticleSurgical endoscopy2026
Automated surgical phase recognition and analysis in single-incision laparoscopic cholecystectomy using artificial intelligence.
Article in Surgical endoscopy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSingle-incision laparoscopic cholecystectomy (SILC) is technically more challenging and has a steeper learning curve compared to conventional multi-port laparoscopic cholecystectomy. A deep learning-based system for surgical phase recognition and prediction in SILC can facilitate surgical quality assessment, enhance training efficiency, and support safer procedural execution. In this study, we aimed to develop a multicenter surgical phase recognition and prediction system for SILC.
methodsThis study included 148 SILC videos collected from two medical centers. Videos were labeled by surgeons, and a deep learning model was developed based on 122 videos. The performance of the model was tested in an additional 26 videos by comparing it with the annotated ground truth of the surgeon. Deep learning models were trained to identify SILC phases. The performance of models was measured. For surgical phase classification, the following metrics were used: accuracy, precision, recall, and Jaccard Index. For surgical phase prediction, a variant of mean absolute error (MAE) was adopted.
resultsThe analyzed SILC videos had a mean operative duration of 14.36 min, with considerable variability across cases. The Trans-SVNet model achieved strong performance in surgical phase classification, with overall accuracy, precision, and recall of 0.933, 0.939, and 0.939, respectively. In terms of phase transition prediction, the model yielded an overall inMAE of 37 s, eMAE of 34 s, and pMAE of 50 s. Notably, increasing the number of training cases led to significant improvements in model performance.
conclusionsWe successfully developed the Trans-SVNet model, which enabled automatic classification and temporal prediction of surgical phases in full-length SILC videos. With continued refinements, artificial intelligence could be utilized in huge data surgery analysis to achieve clinically relevant future applications.
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