Comparative study of percutaneous nephrostomy using catheters with and without locking strings

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Abstract

Background: Although it is generally felt that a catheter with a locking string can achieve better fixation and thus prevent catheter displacement, no formal study has ever substantiated this. Methods: We retrospectively reviewed the charts from 80 patients (mean age of 64.6 ± 14.76 y) who underwent percutaneous nephrostomy (PCN) over a 1-year period. Results: Most patients had catheters without locking strings and only 17 patients (21.3%) had catheters with locking strings. The median duration of catheter placement was 29 days (interquartile range 14 - 57 d). There were no significant differences in patients' characteristics or catheter outcomes between catheters with and catheters without locking strings (p > 0.05). In addition, no significant difference in the catheter 90-day survival between catheter types was found (log rank test, p = 0.638). On univariate analysis, tumor as an indication for PCN (p = 0.018), obstruction (p = 0.021) and displacement (p = 0.007) were associated with reduced catheter survival. The multivariate analysis indicated that tumor as an indication for PCN (HR: 0.28, 95% CI: 0.13 - 0.63, p = 0.002), obstruction (HR: 0.25, 95% CI: 0.08 - 0.77, p = 0.015) and catheter displacement (HR: 0.09, 95% CI: 0.03 - 0.31, p < 0.001) were independent hazard factors for reduced catheter 90-day survival. Conclusion: No significant difference in either complication rate or 90-day survival was found between catheters with or without locking strings. These findings may prove helpful to the clinician in deciding the type of catheter to use during PCN.

Original languageEnglish
Pages (from-to)226-232
Number of pages7
JournalClinical Nephrology
Volume76
Issue number3
DOIs
Publication statusPublished - 2011 Sep 1

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Percutaneous Nephrostomy
Catheters
Survival

All Science Journal Classification (ASJC) codes

  • Nephrology

Cite this

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title = "Comparative study of percutaneous nephrostomy using catheters with and without locking strings",
abstract = "Background: Although it is generally felt that a catheter with a locking string can achieve better fixation and thus prevent catheter displacement, no formal study has ever substantiated this. Methods: We retrospectively reviewed the charts from 80 patients (mean age of 64.6 ± 14.76 y) who underwent percutaneous nephrostomy (PCN) over a 1-year period. Results: Most patients had catheters without locking strings and only 17 patients (21.3{\%}) had catheters with locking strings. The median duration of catheter placement was 29 days (interquartile range 14 - 57 d). There were no significant differences in patients' characteristics or catheter outcomes between catheters with and catheters without locking strings (p > 0.05). In addition, no significant difference in the catheter 90-day survival between catheter types was found (log rank test, p = 0.638). On univariate analysis, tumor as an indication for PCN (p = 0.018), obstruction (p = 0.021) and displacement (p = 0.007) were associated with reduced catheter survival. The multivariate analysis indicated that tumor as an indication for PCN (HR: 0.28, 95{\%} CI: 0.13 - 0.63, p = 0.002), obstruction (HR: 0.25, 95{\%} CI: 0.08 - 0.77, p = 0.015) and catheter displacement (HR: 0.09, 95{\%} CI: 0.03 - 0.31, p < 0.001) were independent hazard factors for reduced catheter 90-day survival. Conclusion: No significant difference in either complication rate or 90-day survival was found between catheters with or without locking strings. These findings may prove helpful to the clinician in deciding the type of catheter to use during PCN.",
author = "Chuang, {M. T.} and Lu, {C. H.} and Tsai, {Y. S.} and Tsai, {H. M.} and Kuo, {T. N.} and Liu, {Y. S.}",
year = "2011",
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TY - JOUR

T1 - Comparative study of percutaneous nephrostomy using catheters with and without locking strings

AU - Chuang, M. T.

AU - Lu, C. H.

AU - Tsai, Y. S.

AU - Tsai, H. M.

AU - Kuo, T. N.

AU - Liu, Y. S.

PY - 2011/9/1

Y1 - 2011/9/1

N2 - Background: Although it is generally felt that a catheter with a locking string can achieve better fixation and thus prevent catheter displacement, no formal study has ever substantiated this. Methods: We retrospectively reviewed the charts from 80 patients (mean age of 64.6 ± 14.76 y) who underwent percutaneous nephrostomy (PCN) over a 1-year period. Results: Most patients had catheters without locking strings and only 17 patients (21.3%) had catheters with locking strings. The median duration of catheter placement was 29 days (interquartile range 14 - 57 d). There were no significant differences in patients' characteristics or catheter outcomes between catheters with and catheters without locking strings (p > 0.05). In addition, no significant difference in the catheter 90-day survival between catheter types was found (log rank test, p = 0.638). On univariate analysis, tumor as an indication for PCN (p = 0.018), obstruction (p = 0.021) and displacement (p = 0.007) were associated with reduced catheter survival. The multivariate analysis indicated that tumor as an indication for PCN (HR: 0.28, 95% CI: 0.13 - 0.63, p = 0.002), obstruction (HR: 0.25, 95% CI: 0.08 - 0.77, p = 0.015) and catheter displacement (HR: 0.09, 95% CI: 0.03 - 0.31, p < 0.001) were independent hazard factors for reduced catheter 90-day survival. Conclusion: No significant difference in either complication rate or 90-day survival was found between catheters with or without locking strings. These findings may prove helpful to the clinician in deciding the type of catheter to use during PCN.

AB - Background: Although it is generally felt that a catheter with a locking string can achieve better fixation and thus prevent catheter displacement, no formal study has ever substantiated this. Methods: We retrospectively reviewed the charts from 80 patients (mean age of 64.6 ± 14.76 y) who underwent percutaneous nephrostomy (PCN) over a 1-year period. Results: Most patients had catheters without locking strings and only 17 patients (21.3%) had catheters with locking strings. The median duration of catheter placement was 29 days (interquartile range 14 - 57 d). There were no significant differences in patients' characteristics or catheter outcomes between catheters with and catheters without locking strings (p > 0.05). In addition, no significant difference in the catheter 90-day survival between catheter types was found (log rank test, p = 0.638). On univariate analysis, tumor as an indication for PCN (p = 0.018), obstruction (p = 0.021) and displacement (p = 0.007) were associated with reduced catheter survival. The multivariate analysis indicated that tumor as an indication for PCN (HR: 0.28, 95% CI: 0.13 - 0.63, p = 0.002), obstruction (HR: 0.25, 95% CI: 0.08 - 0.77, p = 0.015) and catheter displacement (HR: 0.09, 95% CI: 0.03 - 0.31, p < 0.001) were independent hazard factors for reduced catheter 90-day survival. Conclusion: No significant difference in either complication rate or 90-day survival was found between catheters with or without locking strings. These findings may prove helpful to the clinician in deciding the type of catheter to use during PCN.

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U2 - 10.5414/CN106946

DO - 10.5414/CN106946

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JO - Clinical Nephrology

JF - Clinical Nephrology

SN - 0301-0430

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