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Incidence and Distribution of Lower Extremity Deep Vein Thrombosis in Rehabilitation Patients: Implications for Screening

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Victoria J. Teodorescu, MD

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY, Victoria.Teodorescu{at}msnyuhealth.org

Michael Shao, MD

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Theresa Russo

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Tikva S. Jacobs, MD

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Daniel Silverberg, MD

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Alfio Carroccio, MD

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Sharif H. Ellozy, MD

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Michael L. Marin, MD

Department of Vascular Surgery, Mount Sinai Medical Center, New York, NY

Patients admitted to in-patient rehabilitation programs have an increased risk for developing deep venous thrombosis (DVT). However, the utility of screening for lower extremity DVT using duplex ultrasound in this high-risk population is not well characterized. The purpose of this study is to identify whether or not screening lower-extremity duplex exams are indicated in this high-risk population. Screening lower extremity duplex exams were performed on all patients admitted to the rehabilitation center at Mt. Sinai Hospital over a 3-year period. Charts were reviewed for patient age, gender, diagnosis, date of screening and follow-up duplex exams, presence and location of venous thrombosis at each duplex exam, history of anticoagulation, and medical DVT prophylaxis. The presence of DVT at screening, the location of DVT along the lower extremity, and the outcome of calf DVT were analyzed in terms of gender, underlying diagnosis, and history of DVT prophylaxis. Lower extremity DVT was detected in 34% of patients. Twenty-three percent of patients had isolated calf vein thrombosis. Men were more likely than women to have DVT. Calf DVTs progressed in 3% of patients over an average follow-up of 2 weeks. The presence of DVT, its location along the lower extremity, and the outcome of calf vein DVT had no significant relationship to underlying diagnosis or history of prophylaxis. Screening duplex exams to detect lower extremity DVT in rehabilitation patients is useful. Screening altered management in 26% of patients, prompting either anticoagulation or repeat duplex exam.

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