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Year : 2016  |  Volume : 26  |  Issue : 5  |  Page : 343-346

Swan-neck versus straight peritoneal dialysis catheter: Long-term effect on patient and method survival

1 Department of Nephrology, Sismanogleion-Amalia Fleming General Hospital, Athens, Greece
2 Department of Surgery, Sismanogleion-Amalia Fleming General Hospital, Athens, Greece

Correspondence Address:
V Filiopoulos
Department of Nephrology, Sismanogleion-Amalia Fleming General Hospital, 25th Martiou 14, 15127 Athens
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-4065.167274

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Peritoneal dialysis (PD) is limited mainly by a higher technique failure rate as compared to hemodialysis (HD), catheter malfunction being an important reason. Intra- and extra-peritoneal catheter configuration may be associated with mechanical and infectious complications affecting method survival. We report our experience with two extra-peritoneal catheter configurations: the straight and the swan-neck (SN) catheters. A total of 85 consecutive patients, 58 males and 27 females were included in the study. Among them, 26 were diabetics; 52 were treated with automated PD (APD) and 33 with continuous ambulatory PD (CAPD). Straight catheters were used in 38 patients (straight group) and SN catheters in 47 patients (SN group). Straight catheters were mostly used in the first 6-year period while SN catheters in the last 6-year period. The baseline demographics were similar between the two groups. A significantly higher frequency of APD use was observed in SN group. Technique survival was better with SN versus straight (log-rank test, P = 0.01) while patient and catheter survival were similar. A better technique survival is noted in our group of patients with SN catheters. An additional factor could be the significantly higher frequency of APD use in this group. Changes in PD solutions' composition could also contribute to improvement in technique survival. The outcome for patients and catheter types used was similar.


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Indian Journal of Nephrology
Published by Wolters Kluwer - Medknow
Online since 20th Sept '07