Abstract
BackgroundThis study was designed to explore the prevalence and risk factors of preoperative deep venous thromboembolism (DVT) in Chinese elderly with hip fracture.MethodsFrom January 1, 2012, to December 31, 2018, 273 elderly patients over 70 years old with elective hip surgery were collected from the electronic medical records. Collected data included demographic characteristics, comorbidities, ASA classification, types of previous operations, types of anesthesia, operation time, fracture to operation time, preoperative hemoglobin level, anemia, blood-gas analysis, cardiac function, whether transfusion, preoperative hospitalization, postoperative hospitalization, electrocardiograph, lower limb venous ultrasonography and total hospitalization time.ResultsIn these 273 patients, 15(5.6%) had ultrasonography evidence of DVT in affected limbs before surgery. Three of all patients received an temporary inferior vena cave filter placement preoperatively. Fracture to surgery time, preoperative hemoglobin level, anemia, preoperative hospitalization, pulmonary disease and total hospitalization time were statistically different between DVT group and non-DVT group (P < 0.05 for all). Moreover, preoperative anemia (OR: 0.144, 95%CI: 0.026–0.799, P = 0.027) and total hospitalization time (OR: 1.135; 95%CI: 1.023–1.259, P = 0.017) were the two independent risk factors for preoperative DVT.ConclusionPreoperative anemia and total hospitalization time were independent risk factors for venous DVT in Chinese elderly with hip fracture.
Highlights
This study was designed to explore the prevalence and risk factors of preoperative deep venous thromboembolism (DVT) in Chinese elderly with hip fracture
It has been reported that preoperative DVT had an incidence of 6–9% in patients with hip fracture receiving surgery within the 48 h, whereas the rate could be raised to 54.5–62% when there was a delay for more than 48 h [5]
Collected data included demographic characteristics, comorbidities, hemoglobin level, erythrocyte sedimentation (ESR), D-dimer, American Society of Anesthesiologists (ASA) classification, types of surgeries, types of anesthesia, preoperative hospitalization, postoperative hospitalization, whether transfusion, operation time, fracture to operation time, preoperative hemoglobin level, anemia, blood-gas analysis, cardiac function, electrocardiograph, preoperative lower limb venous ultrasonography and hospitalization time
Summary
This study was designed to explore the prevalence and risk factors of preoperative deep venous thromboembolism (DVT) in Chinese elderly with hip fracture. Venous thromboembolism (VTE) including deep vein thrombosis (DVT) and pulmonary embolism (PE) is a serious and preventable complication after hip fracture [1,2,3,4]. The risk for VTE among patients undergoing major orthopedic surgery, hip fracture surgery, is the highest among all surgical patients. Limited studies has been performed to observe the risk factors of preoperative DVT in Chinese elderly over 70 years old with hip fracture. The purpose of this study was to explore the prevalence and risk factors of preoperative DVT in Chinese elderly over 70 years old with hip fracture
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