Application of low tidal volume, apnea ventilation and low PEEP in soft ureteroscope surgery / 中国内镜杂志

ABSTRACT

Objective To research the application of low tidal volume, apnea ventilation and low PEEP in soft ureteroscope surgery. Methods 80 patients with renal calculi who underwent ureteroscopic holmium laser lithotripsy were randomly divided into tow groups, 40 patients in each group. The observation group was treated with low tidal volume, apnea ventilation and Low PEEP, and the control group was treated with low tidal volume and apnea ventilation. Recorded the HR, MBP, PaCO2, PaO2, Ppeak, A-aDO2, and recorded A-aDO2at pre-anesthesia, preoperation, tracheal extubation, 30 min after tracheal extubation and 24 hours after surgery in tow groups. And observed the trend of RI and CLdyn in tow groups. Results There were no satistically significant differences of HR, MBP, Ppeak and Pmean after recovery and that before apnea in the observation group (P > 0.05); the HR, MBP, Ppeak and Pmean of the observation group was lower than that of the control group after recovery (P < 0.05); the PaO2 of the observation group was higher than that of the control group after recovery (P < 0.05); at tracheal extubation, 30min after tracheal extubation and 24 hours after surgery, the A-aDO2 of the observation group was lower than thatof the control group (P < 0.05); the CLdyn 20 in the observation group was better than that in the control group(P < 0.05). Conclusion In soft ureteroscope surgery, the application of Low tidal volume, apnea ventilation andlow PEEP can ensure the asfe of operation, and maintain the vital aspect, results of blood gas analysis smoothly; andprotect the lung function, promote the recovery of the patients.