Beverly Hon1, Amanda Botticello1,2, Steven Kirshblum1,2,3. 1. Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, New Jersey, USA. 2. Kessler Foundation Research Center, West Orange, New Jersey, USA. 3. Kessler Institute for Rehabilitation, West Orange, New Jersey, USA.
Abstract
Context/objective: To determine the prevalence of deep vein thrombosis (DVT) detected through routine duplex screening and factors associated with DVT in spinal cord injury (SCI) patients on admission to rehabilitation.Design: Retrospective chart review of medical records.Setting: Acute inpatient rehabilitation.Participants: One hundred and eighty-nine individuals admitted to rehabilitation within 2 weeks of initial traumatic SCI who underwent routine surveillance with duplex scan for DVT.Interventions: Duplex scan of lower extremities.Outcome measures: The dependent variable was positive duplex screening for either any DVT (distal and/or proximal) or proximal DVT. Results: Of the 189 patients, 31 patients (16.4%) had a positive scan for any (proximal and/or distal) DVT, with 9 (4.8%) positive for a proximal DVT and 22 (11.6%) positive for isolated distal DVT. Of those with isolated distal DVT, 31.8% later developed propagation with either proximal DVTs or pulmonary embolism (mean = 22 days). Factors significantly associated with positive duplex scans for any (proximal and/or distal) DVT include more severe neurological injury (AIS A, B or C versus AIS D: χ2 = 7.1791, df = 1, P = 0.007) and older age (age ≥50 years old: χ2 = 14.9410, df = 1, P = 0.000). Conclusion: In acute traumatic SCI, older age and more severe neurological impairment (AIS A, B, and C) are independent risk factors for positive duplex screening for any (proximal and/or distal) DVT detected on rehabilitation admission. Individuals with an acute distal DVT have a high likelihood for future thrombus progression. Routine surveillance for these patients may be warranted.
Context/objective: To determine the prevalence of deep vein thrombosis (DVT) detected through routine duplex screening and factors associated with DVT in spinal cord injury (SCI) patients on admission to rehabilitation.Design: Retrospective chart review of medical records.Setting: Acute inpatient rehabilitation.Participants: One hundred and eighty-nine individuals admitted to rehabilitation within 2 weeks of initial traumatic SCI who underwent routine surveillance with duplex scan for DVT.Interventions: Duplex scan of lower extremities.Outcome measures: The dependent variable was positive duplex screening for either any DVT (distal and/or proximal) or proximal DVT. Results: Of the 189 patients, 31 patients (16.4%) had a positive scan for any (proximal and/or distal) DVT, with 9 (4.8%) positive for a proximal DVT and 22 (11.6%) positive for isolated distal DVT. Of those with isolated distal DVT, 31.8% later developed propagation with either proximal DVTs or pulmonary embolism (mean = 22 days). Factors significantly associated with positive duplex scans for any (proximal and/or distal) DVT include more severe neurological injury (AIS A, B or C versus AIS D: χ2 = 7.1791, df = 1, P = 0.007) and older age (age ≥50 years old: χ2 = 14.9410, df = 1, P = 0.000). Conclusion: In acute traumatic SCI, older age and more severe neurological impairment (AIS A, B, and C) are independent risk factors for positive duplex screening for any (proximal and/or distal) DVT detected on rehabilitation admission. Individuals with an acute distal DVT have a high likelihood for future thrombus progression. Routine surveillance for these patients may be warranted.
Entities:
Keywords:
Deep vein thrombosis; Spinal cord injury
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