Device:
Niti-S Biliary ComVi Stent is a hollow cylindrical stent fabricated by knitting first and second super-elastic shape memory alloy wires to make a net-like structure. A plurality of interlocked points allow each of the inside and outside stent bodies to contract and expand in the longitudinal direction and to apply a force against the longitudinal contraction. A hollow polytetrafluoroethylene (PTFE) membrane tube is closely fitted between the inside and outside stent bodies, with each of overlapped ends of the PTFE membrane tube and the inside and outside stent bodies integrated into a single structure.

Device:
The Niti-S Stent (D-type) maintains a desired bent shape corresponding to the specific target lesion. It is comprised of a hollow cylindrical stent body fabricated by knitting first and second super-elastic shape memory alloy wires to make a net-like structure with a plurality of interlocked points capable of allowing the stent body to contract and expand in the longitudinal direction and to apply a force against the longitudinal contraction of the stent body.
The wires are made of a shape memory alloy through a process of shaping the alloy then heat-treating the wires to allow restoration of the original shape at a predetermined temperature.

Biliary Cancer

Endoscopic placement of biliary fully covered metal stents

Niti-S Biliary ComVi Stent

Endoscopic placement of biliary uncovered metal stent

Niti-S stent (D type)

General Hospital sanremo

Covered Versus Uncovered SEMS for Palliation of Malignant Biliary Strictures.

Covered Versus Uncovered Self-conformable Metal Stent for Palliation of Primary Malignant Extra-hepatic Biliary Strictures: a Randomized Multicenter Study

The Kaplan-Meier method will be used to estimate stent patency in each group and the log-rank test will be used for an unadjusted comparison between groups. Then a Cox proportional hazard model will be constructed to compare time to stent occlusion adjusted for important potential confounders. Stent patency will be calculated in days and will represent the interval between the time of stent insertion and the time of its replacement or the death of the patient with concomitant cholangitis.

Relationships between complication rates and stent type will be examined by the chi-square or the exact Fisher tests. Logistic regression will be used to compare stent complication rates adjusted for important potential confounders.

Health-related quality of life (HRQL) will be evaluated by a paired t-test to determine the impact of stent placement (i.e. compare baseline HRQL and month 3 HRQL) by Student's t -test to compare the differences in HRQL at baseline and 3 months between study groups. Linear regression models will be constructed to assess HQRL while adjusting for factors other than stent type.

For all analyses the Statistical Package for Social Sciences software (SPSS, Inc. for Windows will be used.

Total direct costs for each study group will be compared and cost effectiveness modelled.
For all analyses the Statistical Package for Social Sciences software (SPSS, Inc. for Windows) will be used.

MASSIMO CONIO

MD, Director of Gastroenterology Department, General Hospital Sanremo, Italy

Azienda USL 1 Imperiese

Ospedali Riuniti Marche Nord, Pesaro, Italy

NOCSAE Hospital, Modena, Italy

University of Siena, Italy

Papa Giovanni XXIII Hospital

Patients scheduled for percutaneous drainage

Patients scheduled for a surgical bypass or resection of a high bile duct tumor.

Gallbladder Cancer

Liver Cancer

Bile Duct Cancer

complete the FACT-Hep, the SSQ, and the Visual Analog Scale for Pruritus Assessment at 1 week and 4 weeks post procedure.

questionnaires

complete the FACT-Hep, the SSQ, and the Visual Analog Scale for Pruritus Assessment at 1 week and 4 weeks post procedure. Patients who have undergone bypass or resection will complete an additional set of questionnaires at 9 and 14 weeks.

Memorial Sloan Kettering Cancer Center

Quality Of Life in Patients With Malignant Biliary Obstruction

Impact of Biliary Drainage on Quality Of Life in Patients With Malignant Biliary Obstruction

Piera Robson, RN, BSN

Obstructive Jaundice

percutaneous 10 F stent, endoscopic 10 F stent insertion

Endoscopic biliary stenting, Percutaneous biliary stenting

All India Institute of Medical Sciences,

Endoscopic Versus Percutaneous Drainage For Hilar Block in Gall Bladder Cancer

Endoscopic Versus Percutaneous Biliary Drainage For Hilar Block Due to Carcinoma Gall Bladder: A Randomized Prospective Trial and Quality Of Life Assessment

cholangiocarcinoma/fiebre

Covered Versus Uncovered SEMS for Palliation of Malignant Biliary Strictures.

Quality Of Life in Patients With Malignant Biliary Obstruction

Endoscopic Versus Percutaneous Drainage For Hilar Block in Gall Bladder Cancer

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