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Table 3 Results on route, previous treatment, treatment time, technical success, clinical success and complications in case series with uncovered SEMS (uSEMS) for benign biliary strictures

From: Plastic or metal stents for benign extrahepatic biliary strictures: a systematic review

Author Intervention Follow up (range) Previous treatment Technical success Clinical succes Treatment time Stentpatency Total complications
Prospective studies        
Yamaguchi et al [63] Streckerstent (2) > 5 years (7.4 year) plastic stent placement 100% 62,50% unknown 25%
  Wallstent (6)       
O Brien et al [58] Wallstent mean 64,5 months (26-81) plastic stent placement (5) 100% unknown median 35 months (7-57) 75
Tesdal et al [69] Wallstent (11) mean 63,8 months balloon dilatation (19) 100% unknown mean 30,2 months 64,50%
  Palmazstent (9) median 80,5 (2-116)      
  Streckerstent(4)       
Deviere et al [15] Wallstent mean 33 months (24-42) plastic stent placement (11) 100% 90% 3 and 6 months (2/20) 10
Mygind et al (75) Z stent 4 and 7 months balloon dilatation 100% 100% unknown unknown
Maccioni et al [56] Z stent (17) mean 37 months (30-41) percutaneous dilatation 83,30% 55,50% unknown 38,80%
  Wallstent (1)       
Foerster et al [52] Wallstent mean 32,7 weeks (21-53) laparotomy (2) 100% 100% 8 months until now 14%
Retrospective studies        
van Berkel et al [62] Wall stent mean 50 months (6 d -86 months) none 100% 69% 60 months 15,40%
Roumhilac et al [60] SEMS (12) median 37 months (18-53) plastic stent treatment for 1 year 100% 100% no stent obstruction unknown
Eickhoff et al [51] Wallstent median 58 months (22-29) plastic stent placement 100% unknown median 20 months (10-38) 83,40%
Kahl et al [55] Wallstent (3) median 37 months (18-53) plastic stent treatment for 1 year 100% 100% no stent obstruction unknown
Bonnel et al [49] Z stent mean 55 months (9-84) surgery (17) 18 one approach 72%   36%
    T tube (8) 7 two approaches    
Rieber et al [59] Palmaz stent mean 18 months (1,5-43) balloon dilatation 100%   62% occlusion  
    post PTBD    occlussion time
1,5-2,5-24 months
 
Hausegger et al [53] Walsltent mean 31,2 months (3-78) balloon dilatation 100% unknown 73% (6 months) 50,00%
       38% (36 months)  
       19% (end follow up)  
       3-3-3-4-5-11-24-2-36-55  
Chu et al [50] Z stent unknown plastic stents unknown   0%  
    PTBD     
Ivancev et al [54] Z stent (2) 9 and 14 months balloon dilatation 100% 50% 50% (5 months) 50%
Rossi et al [16] Z stent mean 8 months (4-12) baloon dilatition 100% 82,40% unknown 11,80%