A comparison of Amplatz dilators and metal dilators for tract dilatation in mini-percutaneous nephrolithotomy.

Abstract:

PURPOSE:Our aim was to compare the different characteristics and outcomes of the Amplatz sheaths and single-step metallic dilators which were used for mini-PCNL procedure in a single institution. METHODS:Retrospective medical records of 236 patients who underwent mini-PCNL were reviewed and divided into Amplatz (n = 151) and metal (n = 85) groups. Perioperative and postoperative data including operative time, fluoroscopy time, hemoglobin decrease, blood transfusion, hospital stay, stone-free rate and any postoperative complication were recorded. RESULTS:The groups were statistically similar in terms of operation time, nephrostomy stay, puncture location and hemoglobin decrease. Compared to the metal sheath group, the fluoroscopy time (3.7 vs 5.9 m, p < 0.001) and the hospital stay (53.5 vs 67 h, p = 0.007) were significantly higher in the Amplatz group. Although final stone-free rate was higher for metal group than Amplatz group, no statistical difference was established (82.1 vs 79.5%, p = 0.285). The rates of complications such as fever, blood transfusion, postoperative DJ insertion were similar in two groups with no significant difference. CONCLUSION:Although different treatment outcomes of various institutions have been published for mini-PCNL procedure, this is the first study that compares Amplatz and metallic sheaths. This study shows that there is no difference between the two groups in terms of final stone-free rate and complication rate. Even though the indications of each dilatation technique were similar, metal sheaths are most cost-effective (6.1 vs 63 Euro per case; p < 0.001).

journal_name

Int Urol Nephrol

authors

Arslan B,Akbulut MF,Onuk O,Küçüktopçu O,Çilesiz NC,Ozkan A,Yazıcı G

doi

10.1007/s11255-017-1516-z

subject

Has Abstract

pub_date

2017-04-01 00:00:00

pages

581-585

issue

4

eissn

0301-1623

issn

1573-2584

pii

10.1007/s11255-017-1516-z

journal_volume

49

pub_type

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