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Percutaneous Metallic Stent Placement for Palliative Management of Malignant Biliary Hilar Obstruction
Korean Journal of Radiology ; : 597-605, 2018.
Article in English | WPRIM | ID: wpr-716275
ABSTRACT

OBJECTIVE:

To investigate the outcomes of percutaneous metallic stent placements in patients with malignant biliary hilar obstruction (MBHO). MATERIALS AND

METHODS:

From January 2007 to December 2014, 415 patients (mean age, 65 years; 261 men [62.8%]) with MBHO were retrospectively studied. All the patients underwent unilateral or bilateral stenting in a T, Y, or crisscross configuration utilizing covered or uncovered stents. The clinical outcomes evaluated were technical and clinical success, complications, overall survival rates, and stent occlusion-free survival.

RESULTS:

A total of 784 stents were successfully placed in 415 patients. Fifty-five patients had complications. These complications included hemobilia (n = 19), cholangitis (n = 13), cholecystitis (n = 11), bilomas (n = 10), peritonitis (n = 1), and hepatic vein-biliary fistula (n = 1). Clinical success was achieved in 370 patients (89.1%). Ninety-seven patients were lost to follow-up. Stent dysfunction due to tumor ingrowth (n = 107), sludge incrustation (n = 44), and other causes (n = 3) occurred in 154 of 318 patients. The median overall survival and the stent occlusion-free survival were 212 days (95% confidence interval [CI], 186−237 days) and 141 days (95% CI, 126−156 days), respectively. The stent type and its configuration did not affect technical success, complications, successful internal drainage, overall survival, or stent occlusion-free survival.

CONCLUSION:

Percutaneous stent placement may be safe and effective for internal drainage in patients with MBHO. Furthermore, stent type and configuration may not significantly affect clinical outcomes.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Peritonitis / Sewage / Stents / Drainage / Cholangitis / Cholecystitis / Survival Rate / Retrospective Studies / Klatskin Tumor / Cholangiocarcinoma Type of study: Observational study Limits: Humans / Male Language: English Journal: Korean Journal of Radiology Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Peritonitis / Sewage / Stents / Drainage / Cholangitis / Cholecystitis / Survival Rate / Retrospective Studies / Klatskin Tumor / Cholangiocarcinoma Type of study: Observational study Limits: Humans / Male Language: English Journal: Korean Journal of Radiology Year: 2018 Type: Article