摘要
Abstract
Objective:To explore the risk factors for cardiovascular and cerebrovascular events after surgery in elderly patients with intertrochanteric fractures based on clinical data,and to construct a Nomogram prediction model to verify its predictive value.Methods:A total of 132 patients with intertrochanteric fractures admitted to Guangchang County Traditional Chinese Medicine Hospital from January 2021 to December 2023 were selected as the research subjects.General data were collected through the electronic medical record system.The independent risk factors for cardiovascular and cerebrovascular events after surgery in elderly patients with intertrochanteric fractures were identified by Logistic regression analysis.Finally,a risk assessment chart was constructed and the predictive value analysis was completed.Results:Among the 132 patients,a total of 12 cases had concurrent cardiovascular and cerebrovascular events,with an incidence rate of 9.09%.The results of Logistic analysis showed that combined hypertension,anesthesia method,intraoperative systolic blood pressure,ASA anesthesia grade,C-reactive protein,and red blood cell count were all independent risk factors for postoperative cardiovascular and cerebrovascular events in elderly patients with intertrochanteric fractures of the femur(P<0.05);The Hosmer-Lemeshow χ2 test result of the nomogram prediction model constructed in this study was:χ2=5.694,P=0.713;The C-index range detection was 0.741,the AUC was 0.820,the 95%CI(0.772,0.862),the sensitivity was 0.828,the specificity was 0.848,and the critical value probability was 0.329.The prediction accuracy rate is 81.48%.The decision curve shows that when the threshold probability is within 3%to 63%,the net benefit value of the model is relatively high.Conclusion:The Nomogram prediction model constructed in this study has high practicability and accuracy,and can provide a reliable basis for the early screening and identification of postoperative cardiovascular and cerebrovascular events in patients.关键词
股骨粗隆间骨折/心脑血管事件/危险因素/列线图Key words
intertrochanteric fracture/cardiovascular and cerebrovascular events/risk factors/Nomogram
