title: Long-term functional outcome in patients with acquired infections after acute spinal cord injury.
abstract: OBJECTIVE
  To investigate whether prevalent hospital-acquired pneumonia and wound infection affect the clinical long-term outcome after acute traumatic spinal cord injury (SCI).
  
  
  METHODS
  This was a longitudinal cohort study within the prospective multicenter National Spinal Cord Injury Database (Birmingham, Alabama). We screened datasets of 3,834 patients enrolled in 20 trial centers from 1995 to 2005 followed up until 2016. Eligibility criteria were cervical SCI and American Spinal Cord Injury Association impairment scale A, B, and C. Pneumonia or postoperative wound infections (Pn/Wi) acquired during acute medical care/inpatient rehabilitation were analyzed for their association with changes in the motor items of the Functional Independence Measure (FIMmotor) using regression models (primary endpoint 5-year follow-up). Pn/Wi-related mortality was assessed as a secondary endpoint (10-year follow-up).
  
  
  RESULTS
  A total of 1,203 patients met the eligibility criteria. During hospitalization, 564 patients (47%) developed Pn/Wi (pneumonia n = 540; postoperative wound infection n = 11; pneumonia and postoperative wound infection n = 13). Adjusted linear mixed models after multiple imputation revealed that Pn/Wi are significantly associated with lower gain in FIMmotorup to 5 years after SCI (-7.4 points, 95% confidence interval [CI] -11.5 to -3.3). Adjusted Cox regression identified Pn/Wi as a highly significant risk factor for death up to 10 years after SCI (hazard ratio 1.65, 95% CI 1.26 to 2.16).
  
  
  CONCLUSIONS
  Hospital-acquired Pn/Wi are predictive of propagated disability and mortality after SCI. Pn/Wi qualify as a potent and targetable outcome-modifying factor. Pn/Wi prevention constitutes a viable strategy to protect functional recovery and reduce mortality. Pn/Wi can be considered as rehabilitation confounders in clinical trials.
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Marcel A
authors.initials: MA
authors.lastname: Kopp
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Ralf
authors.initials: R
authors.lastname: Watzlawick
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Peter
authors.initials: P
authors.lastname: Martus
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Vieri
authors.initials: V
authors.lastname: Failli
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Felix W
authors.initials: FW
authors.lastname: Finkenstaedt
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Yuying
authors.initials: Y
authors.lastname: Chen
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Michael J
authors.initials: MJ
authors.lastname: DeVivo
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus.
authors.forename: Ulrich
authors.initials: U
authors.lastname: Dirnagl
authors.affiliation: From the Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (M.A.K., R.W., V.F., F.W.F., J.M.S.), and Center for Stroke Research Berlin (U.D.), Charité-Universitätsmedizin Berlin; Department of Clinical Epidemiology and Applied Biostatistics (P.M.), Eberhard Karls Universität Tübingen, Germany; National Spinal Cord Injury Statistical Center (Y.C., M.J.D.), Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham; Paraplegiology (Spinal Cord Injury Division), Department of Neurology (J.M.S.), and Departments of Neuroscience and Center for Brain and Spinal Cord Repair and Physical Medicine and Rehabilitation, The Neurological Institute (J.M.S.), The Ohio State University, Wexner Medical Center, Columbus. Jan.Schwab@osumc.edu.
authors.forename: Jan M
authors.initials: JM
authors.lastname: Schwab
mesh_terms: D000328:Adult; D003428:Cross Infection / Q000150:complications* / Q000175:diagnosis / Q000401:mortality; D016208:Databases, Factual; D004185:Disability Evaluation; D005260:Female; D005500:Follow-Up Studies; D006760:Hospitalization; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000150:complications* / Q000175:diagnosis / Q000401:mortality; D015995:Prevalence; D011379:Prognosis; D011446:Prospective Studies; D013119:Spinal Cord Injuries / Q000150:complications* / Q000175:diagnosis / Q000401:mortality / Q000628:therapy*; D013530:Surgical Wound Infection / Q000150:complications* / Q000175:diagnosis / Q000401:mortality; D013997:Time Factors; D016896:Treatment Outcome; D014481:United States; D055815:Young Adult