SUMMARY
In 44 men diagnosed with lateral bladder wall tumors, general anaesthesia and obturator nerve block combined with spinal anaesthesia were used for pain control during transurethral resection (TUR). The patients were divided into two groups: the control group, consisting of 21 patients, received general anaesthesia, while the second group, consisting of 23 patients, received spinal anaesthesia combined with an obturator nerve block. Confirmation of the obturator nerve through electrical stimulation, followed by its blockade in conjunction with spinal anaesthesia,proved to be an effective, reliable, and safe method of anaesthetic support during TUR on the lateral wall of the bladder. In contrast to TUR performed under general anaesthesia, normosystolic central hemodynamics of the eukinetic type, which leads to arterial hypotension, were observed during the combined use of spinal anaesthesia and obturator nerve block. This combined approach resulted in a reduction in both the duration of the operation and the lengtheients' hospital stay postoperatively. Additionally, it led to a unnecessary expenditures on medications and postoperative monitoring.
Keywords: transurethral resection, general anaesthesia, spinal anesthesia with an obturator nerve block

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