Percutaneous transhepatic biliary drainage assisted by real-time virtual sonography: a retrospective study

BMC Gastroenterology

Yoshito Tsushima¹  Hiroyuki Tokue¹  Kei Shibuya¹  Masaya Miyazaki¹ 

[1] Department of Diagnostic and Interventional Radiology, Gunma University Hospital, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan

关键词: Magnetic navigation;    Real-time virtual sonography;    Percutaneous transhepatic biliary drainage;    Ultrasound;   

Others  :  857698
DOI  :  10.1186/1471-230X-13-127

 received in 2012-12-25, accepted in 2013-08-12,  发布年份 2013

【 摘 要 】

Background

Real-time virtual sonography (RVS) is a diagnostic imaging support system that can synchronize with ultrasound images in conjunction with computed tomography or magnetic resonance images using magnetic navigation system. RVS has been applied in clinical practice to perform such procedures as radiofrequency ablation and biopsy; however, the application of RVS for percutaneous transhepatic biliary drainage (PTBD) is rare.

Methods

Between 2007 and 2012, RVS-assisted PTBD was performed for 30 patients (19 males and 11 females; age range, 41 to 89 years; mean age, 66.9 years) with obstructive jaundice. The targeted bile duct was determined using the RVS system before the procedure. The intervention was considered to be successful when the targeted bile duct was punctured and the drainage catheter was placed in the bile duct. Complications were evaluated according to the Society of Interventional Radiology Clinical Practice Guidelines.

Results

A total of 37 interventions were performed for 30 patients. The interventions were successful in 35 (95%) of 37 interventions. The targeted bile ducts were: B3 (n = 24), B5 (n = 7), B8 (n = 3), B6 (n = 1), and the anterior (n = 1) and posterior (n = 1) branches of the right bile duct. The mean targeted bile duct diameter was 4.9 mm (1.9 to 8.2 mm). PTBD was able to be accomplished in all patients because the non-targeted bile ducts were successfully punctured alternatively. No major complications were observed in relation to the interventional procedure.

Conclusions

RVS-assisted PTBD is a feasible and safe procedure. Accurate puncture of targeted bile ducts can be achieved using this method.

【 授权许可】

   
2013 Miyazaki et al.; licensee BioMed Central Ltd.

【 图 表 】

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