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Journal of Sabzevar University of Medical Sciences. 2013; 20 (4)
in Persian | IMEMR | ID: emr-180115

ABSTRACT

Background: Percutaneous nephrolithotomy [PCNL] is less invasive treatment for kidney stones. This technique is preferred in patients with a history of open nephrolithotomy surgery due to fewer side effects. In this study, bleeding complication was compared in patients with and without history of open kidney surgery


Materials and Methods: In this cross sectional study, PCNL was performed in 73 patients 17 patients with a history of open nephrolithotomy surgery [group 1] and 56 patients without any history of surgery [group 2] referring to Imam Reza Hospital, Mashhad, between 2010-2011. Serum hematocrit [Hct] before and after surgery, irrigation fluid volume used in operation room, and Hct of irrigation fluid were considered as a measure of bleeding. Obtained data were statistically analyzed in SPSS software, version 15, using independent-sample T-test, Man- Whitney U test and Pearson test. A P<0.05 was considered significant


Results: The irrigation fluid used in group 1 was 14.8 liters, while this was 7.9 liters in another group [p<0.001]. Decrease in hematocrit level was 10 in group 1 and 4.05 in group 2. This difference was statistically quite significant [P<0.001]. Mean blood loss volume was 405.7cc and 103.2cc in group 1 and 2, respectively [P<0.001]


Conclusion: The results of this study showed that the PCNL bleeding complications is seen more in patients with a history of open kidney surgery. Irrigation fluid hematocrit may be considered as a reliable index for the bleeding measurement of patient, independent of serum intake and hydration

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