The Role of Blood Flow Restriction Therapy in Postoperative Elderly Patients With Hip Fracture

Inclusion Criteria: * Age \>= 65 years old, any sex, any ethnicity * Isolated, closed proximal femur fracture without any prior surgery or orthopedic implants to affected proximal femur. This includes all fractures with primary fracture line that is proximal to the lesser trochanter. For example, subtrochanteric femur fractures are excluded whereas reverse obliquity intertrochanteric femur fractures may be included. * OTA codes 31A, 31B, and 31C * Segmental and pathologic femur fractures are excluded. * Ambulatory without assistive device prior to injury * Community living prior to injury * No injury or surgery to the contralateral lower extremity within past 1 year * Alert and oriented and able to provide informed consent for self * English speaking * Able to weight bear as tolerated after surgery as deemed by treating orthopedic surgeon * Able to tolerate light exercise (could walk approximately 0.5 mile without significant pain or shortness of breath) preoperatively as determined by patient self-reported history Exclusion Criteria: * Presence of other significant injuries at the time of injury to the proximal femur that would require additional surgery * Significant delay in presentation to health care facility (\>3 days from time of injury) for assessment and treatment of the proximal femur fracture * History of DVT in any extremity, existing DVT in any extremity, or any condition known to increase risk for coagulopathy including but not exclusively current pregnancy, …