The aim of this study is to comparatively evaluate the effects of different anaesthesia methods (spinal anaesthesia and general anaesthesia) administered to frail elderly patients scheduled for transurethral surgery (e.g. TUR-Prostate or TUR-Bladder) on postoperative morbidity and mortality rates.
Elderly patients aged 65 and over
ASA (American Society of Anaesthesiologists) physical condition classification I-III patients
meeting the criteria for frailty
Non-elective emergency surgeries
Patients under 65 years of age
Patients classified as ASA Class IV
Patients unable to provide informed consent due to cognitive impairment