Application of Ultrasound-Guided Lung Reexpansion in the Perianesthetic Period of Laparoscopic Radical Resection of Colorectal Cancer in Elderly Patients
Objective:To investigate the effect of ultrasound-guided lung reexpansion during perianaesthesia in elderly patients un-dergoing laparoscopic radical resection of colorectal cancer.Methods:A total of 60 elderly patients who underwent laparoscopic radical resection for colorectal cancer in our hospital from January 2021 to December 2023 were selected and divided into two groups according to the mode of intraoperative lung reexpansion:the control group(n=30)received conventional lung reexpansion,and the observation group(n=30)received ultrasound-guided lung reexpansion.The lung ultrasound(LUS)scores and the incidence of atatasis were compared between the two groups at five time points before anesthesia(T1),5 minutes after induction intubation(T2),after pneumo-peritoneum(T3),after tracheal extraction(T4),and when leaving the anesthesia recovery room(T5).Oxygen partial pressure(PaO2),carbon dioxide partial pressure(PaCO2),blood oxygen saturation(SpO2)at T5,and the incidence of intraoperative SpO2 reduction,postoperative fever,and pulmonary complications(PPCs)48 hours after surgery.Results:LUS scores of T3,T4 and T5 in observation group were lower than those in control group(P<0.05).The incidence of atelectasis at T4 and T5 in the observation group was lower than that in the control group(P<0.05).At T5,PaO2 and SpO2 in observation group were higher than those in control group,and PaCO2was lower than those in control group(P<0.05).The incidence of SaO2,postoperative fever and PPCs in the observation group were lower than those in the control group(P<0.05).Conclusion:The application of ultrasound-guided pulmonary reexpansion during the perianesthetic period of laparoscopic radical resection of colorectal cancer in the elderly can improve LUS score and blood gas index,reduce the occurrence of atelectasis,and reduce the incidence of perioperative adverse events,which is worthy of clinical ap-plication and promotion.
UltrasoundPulmonary ReexpansionThe ElderlyLaparoscopyRadical Resection of Colorectal CancerStage of Anesthesia