Comparision Of Two Different Anesthesia Methods For The Impact Of Pulmonary Function In VR%<70% Elderly Patients Undergoing Laparoscopic Colon Cancer Surgery: A Retrospective Study

Objective: The objective is to compare propofol and remifentanil by intravenous with sevoflurane and fentanyl by intravenous-inhalation combined for the impact of pulmonary function in VR% < 70% elderly patients undergoing laparoscopic colon cancer surgery.Methods: Looking up by using the anesthesia information management system and medical record query system. We retrospectively collect 63 patients of VR%<70% elderly patients who undergo laparoscopic colon cancer surgery.The total of 63 patients are divided into two groups according to the method of anesthesia.These two groups were group propofol and group sevoflurane.Group propofol has 34 patients. Group sevoflurane has 29 patients. These 63patients’ age were between 65 and 85 years, ASA grade II- III. After entering operating room, ECG 、 HR 、 Sp O2 and BP were monitored as routine. The anesthesia was conducted by midazolam 0.02-0.04mg/kg、fentanyl 2-3ug/kg、etomidate 0.2-0.4mg/kg and cisatracurium 0.1-0.15mg/kg. Group propofol’anesthesia maintained with propofol and remifentanil. Group sevoflurane was sevoflurane and fentany. Then collect HR、SPO2、MAP、extubation time and length of hospital stay and so on. Through these clinical datas we analyze anesthesia methods for the impact of pulmonary function.Results: FEV1、FEF75%-85%、MVV、FRC、VC、FVC、MMEF25%-75%、PEF and FEV1/ FVC% are significantly reduced after surgery. There was significant difference between the two groups in the above indicators. HR 、SPO2、MAP and length of hospital stay have no statistical significance,Group sevoflurane’s extubation time is shorter than group propofol..Conclusion:(1) The sevoflurane and fentanyl combined intravenous-inhalation anesthesia is more suitable for VR% < 70% elderly patients undergoing laparoscopic colon cancer surgery.(2) The Change of elderly patients postoperative pulmonary function with VR% < 70% is given priority to mixed ventilation dysfunction and postoperative gas exchange function dosen’t appear obvious damage.