ArticleSurgical endoscopy2025
Electromagnetic tracking system-assisted ultrasound guidance for percutaneous transhepatic one-step biliary fistulation combined with rigid choledochoscopy in the treatment of hepatolithiasis.
Article in Surgical endoscopy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Electromagnetic Tracking System for Medical Micro Devices: A Review.Micromachines · 2025Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe electromagnetic tracking system (EMTS) has been increasingly applied in many disciplines. However, its value in percutaneous transhepatic lithotomy has yet to be reported. This study aims to evaluate the clinical application value of an electromagnetic tracking system in assisting with ultrasound-guided percutaneous transhepatic one-step biliary fistulation (PTOBF) combined with rigid choledochoscopy for hepatolithiasis.
methodsThe clinical data of 19 patients with hepatolithiasis were analyzed retrospectively. These patients underwent PTOBF combined with rigid choledochoscopy for the treatment of hepatolithiasis.
resultsA total of 19 cases of hepatolithiasis were successfully performed PTOBF combined with rigid choledochoscopy under tracheal intubation and general anesthesia. EMTS-assisted US-guided PTOBF was successfully completed in 18 patients, with a puncture success rate of 94.7% (18/19) and a dilatation success rate of 100.00% (19/19). Five cases percutaneous located in left bile duct while 14 cases in right bile duct, with an overall one-time puncture success rate of 84.2% (16/19). The mean intraoperative blood loss was 6.00 ± 2.63 mL, the mean puncture time was 43.79 ± 65.57 s, and the mean postoperative hospitalization was 4.63 ± 1.86 days. The rates of out-of-plane puncture were 73.7% (14/19), and the initial stone clearance rate was 68.42% (13/19). The incidence of postoperative complications was 10.52% (2/19), including one cases of pleural efusion and one case of bile leakage which recovered after treatment. During a mean follow-up period of 59.26 ± 12.91 days (range 35 to 77 days), no complications or deaths were observed.
conclusionsEMTS-assisted US guidance for PTOBF combined with rigid choledochoscopy appears to be a minimally invasive, safe, and effective method for the treatment of hepatolithiasis, offering clinical application value. Furthermore, the integration of EMTS and US simplifies and facilitates the operation. Future comparative studies with larger sample sizes are necessary to confirm the reliability of its therapeutic outcomes.
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