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1.
J Bone Joint Surg Br ; 87(7): 965-8, 2005 Jul.
Article in English | MEDLINE | ID: mdl-15972912

ABSTRACT

We report the incidence and location of deep-vein thrombosis in 312 patients who had sustained high-energy, skeletal trauma. They were investigated using magnetic resonance venography and Duplex ultrasound. Despite thromboprophylaxis, 36 (11.5%) developed venous thromboembolic disease with an incidence of 10% in those with non-pelvic trauma and 12.2% in the group with pelvic trauma. Of patients who developed deep-vein thrombosis, 13 of 27 in the pelvic group (48%) and only one of nine in the non-pelvic group (11%) had a definite pelvic deep-vein thrombosis. When compared with magnetic resonance venography, ultrasound had a false-negative rate of 77% in diagnosing pelvic deep-vein thrombosis. Its value in the pelvis was limited, although it was more accurate than magnetic resonance venography in diagnosing clots in the lower limbs. Additional screening may be needed to detect pelvic deep-vein thrombosis in patients with pelvic or acetabular fractures.


Subject(s)
Enoxaparin/therapeutic use , Fibrinolytic Agents/therapeutic use , Fractures, Bone/complications , Venous Thrombosis/etiology , Acetabulum/diagnostic imaging , Acetabulum/injuries , Fractures, Bone/diagnostic imaging , Humans , Magnetic Resonance Angiography/methods , Middle Aged , Multiple Trauma/complications , Multiple Trauma/diagnostic imaging , Pelvis/diagnostic imaging , Pelvis/injuries , Phlebography/methods , Prospective Studies , Pulmonary Embolism/diagnostic imaging , Pulmonary Embolism/etiology , Pulmonary Embolism/prevention & control , Stress, Mechanical , Ultrasonography, Doppler/methods , Venous Thrombosis/diagnosis , Venous Thrombosis/prevention & control
2.
J Bone Joint Surg Am ; 83(7): 1047-51, 2001 Jul.
Article in English | MEDLINE | ID: mdl-11451974

ABSTRACT

BACKGROUND: Deep-vein thrombosis is a common complication following pelvic and acetabular fractures. The hypothesis of this study was that pulsatile mechanical compression is superior to standard sequential mechanical compression for decreasing the prevalence of deep-vein thrombosis in patients with pelvic or acetabular fracture. METHODS: A prospective, randomized, blinded study of two methods of mechanical prophylaxis against deep-vein thrombosis was conducted. One hundred and seven patients were randomized into either Group A (fifty-four patients), in which a thigh-calf low-pressure sequential-compression device was used, or Group B (fifty-three patients), in which a calf-foot high-pressure pulsatile-compression pump was used. All patients underwent duplex ultrasonography and magnetic resonance venography. The two groups were comparable with regard to demographics, fracture type, fracture treatment, time from the injury to the prophylaxis, and patient compliance. RESULTS: Deep-vein thrombosis developed in ten patients (19%) in Group A, with seven (13%) having a large or occlusive clot and one (2%) having a documented pulmonary embolism. Deep-vein thrombosis developed in five patients (9%) in Group B, with two (4%) having a large or occlusive clot and none having a documented pulmonary embolism. Nine of the nineteen detected thromboses were in the deep pelvic veins. The difference in the prevalence of large or occlusive clots between the two groups demonstrated a trend but, with the numbers available, was not significant (p = 0.16). Increased patient age and the time elapsed from the injury to the surgery were found to be associated with higher rates of thrombosis. CONCLUSIONS: Pulsatile compression was associated with fewer deep-vein thromboses than was standard compression, with the difference representing a trend but not reaching significance with the number of patients studied.


Subject(s)
Bandages , Fractures, Bone/complications , Pelvic Bones/injuries , Preoperative Care/methods , Venous Thrombosis/prevention & control , Wounds, Nonpenetrating/complications , Acetabulum/injuries , Acetabulum/surgery , Adult , Age Distribution , Aged , Double-Blind Method , Female , Fracture Fixation, Internal/methods , Fractures, Bone/diagnosis , Fractures, Bone/surgery , Humans , Male , Middle Aged , Pelvic Bones/surgery , Phlebography , Probability , Prognosis , Prospective Studies , Risk Assessment , Sensitivity and Specificity , Venous Thrombosis/diagnostic imaging , Venous Thrombosis/etiology
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