Clinical data and experience of percutaneous nephrolithotomy in different positions for treatment of upper urinary stones
Objective:To study the efficacy of percutaneous nephrolithotomy in different positions in the treatment of upper urinary tract calculi.Methods:A total of 66 patients with upper urinary tract stones who came to Guangyuan First Peoples Hospital for percutaneous nephrolithotomy from June 2020 to June 2023 were selected as the study objects.A retrospective analysis was carried out according to different positions,mainly prone(n=22),supine(n=20)and oblique(n=24).The perioperative efficacy indicators,blood oxygen conditions and complications were compared among the prone,supine and oblique positions.Results:There were differences in operation time,intraoperative blood loss,and one-time stone clearing rate among the three positions(P＜0.05).However,there were no significant differences in an-esthesia time,fluoroscopy duration,channel establishment time and hospitalization days(P＞0.05).After the patients were placed in the prone,supine or oblique position,their SBP and SPO2 decreased,and the data of patients in prone po-sition were lower than those of patients in supine or oblique position.The difference was statistically significant(P＜0.05).Conclusion:Compared with prone and supine positions,percutaneous nephrolithotomy in oblique position can re-duce the operative time and intraoperative blood loss,improve the stone clearance rate,and has less influence on the blood circulation and respiratory function of patients in the treatment of upper urinary tract calculi.Therefore,oblique position can be given priority in combination with clinical practice.
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