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Influence of Aging in Outcomes of Patients Undergoing Percutaneous Nephrolithotomy for Staghorn Stones : A retrospective comparative study
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  • Murat Sahan,
  • Serkan Yarımoğlu,
  • Metin Savun,
  • Onur Erdemoglu,
  • Tansu Degirmenci
Murat Sahan
Izmir Bozyaka Training and Research Hospital
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Serkan Yarımoğlu
Izmir Bozyaka Training and Research Hospital
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Metin Savun
Siverek State Hospital
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Onur Erdemoglu
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Tansu Degirmenci
University of Health Sciences Izmir Bozyaka Education and Research Hospital
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Abstract

Objective: To evaluate the effect of age on the success and complications of percutaneous nephrolithotomy (PCNL) in staghorn renal stones. Materials and Methods: The files of 182 patients who underwent single-access PCNL for staghorn renal stones between 2012 and 2017 were retrospectively analyzed. The patients were divided into two groups according to their age: those aged<65 years were defined as Group-1 and those aged≥65 years as Group-2. The demographic characteristics and perioperative and postoperative results were compared between the two groups. Results: Of the patients with staghorn renal stones,139 were in Group-1 and 43 were in Group-2. The mean age of the patients was 43.9±10.6 years for Group-1 and 67.8±2.1 years for Group-2(p=0.001). The amount of hemoglobin drop was statistically significantly higher in Group-1 (p=0.001). However, blood transfusion rate was higher in Group-2 than in Group-1 (18.6% and 7.2%, respectively). The stone-free rate was 54.7% in Group-1 and 67.4% in Group-2(p=0.139). According to the evaluation of the overall complication rates,34.5% of the patients in Group-1 and 46.5% of those in Group-2 developed complications(p=0.206). According to the Clavien scoring system, the rate of minor complications was found to be 22.3% in Group-1 and 41.9% in Group-2,and the difference was statistically significant (p=0.012). The major complication rates were determined as 4.7% and 12.2% for Group-1 and Group-2, respectively (p=0.155). The number of patients with Clavien grade-2 complications was statistically higher in the elderly patient group (p=0.019). Conclusions: PCNL can be used as an effective and safe treatment method in the treatment of complex stones in elderly patients.