Title: comparing the incidence of catheter-related complications with straight and coiled tenckhoff catheters in peritoneal dialysis patients¿a single-center prospective randomized trial source: peritoneal dialysis international, volume 35, july 2015 (443¿449) article number: 4; date of publication: 13 october 2013.If information is provided in the future, a supplemental report will be issued.(b)(4).
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According to literature source of study performed, straight and coiled catheters were used in 189 patients with end-stage renal disease.Of the 189 patients, 99 were randomized to the straight catheter group, whose members all received a 41-cm double-cuffed straight catheter with a 15.5-cm intraperitoneal segment with a straight tip.The other 90 patients were randomized to the coiled catheter group, whose members all received a 62-cm double-cuffed catheter with a 17-cm intraperitoneal segment with a coiled tip.Catheter tip migration and omental wrapping were the most common causes of catheter dysfunction.Catheter dysfunction was the most common noninfectious complication in 23 of 189 patients (12.2%).Catheter dysfunction was significantly more common in the group who used coiled catheters (17.8% of patients) versus 7 of 99 patients who used straight catheters (7.1%).Catheters were removed in 9 patients (4.8%) because of peritonitis, leaks (1.1%) and catheter-tip migration (0.5%).
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