Empirical targets for acute hemodynamic management of individuals with spinal cord injury.


Journal

Neurology
ISSN: 1526-632X
Titre abrégé: Neurology
Pays: United States
ID NLM: 0401060

Informations de publication

Date de publication:
17 09 2019
Historique:
received: 20 11 2018
accepted: 25 04 2019
pubmed: 15 8 2019
medline: 31 1 2020
entrez: 15 8 2019
Statut: ppublish

Résumé

To determine the hemodynamic conditions associated with optimal neurologic improvement in individuals with acute traumatic spinal cord injury (SCI) who had lumbar intrathecal catheters placed to measure CSF pressure (CSFP). Ninety-two individuals with acute SCI were enrolled in this multicenter prospective observational clinical trial. We monitored mean arterial pressure (MAP) and CSFP during the first week after injury and assessed neurologic function at baseline and 6 months after injury. We used relative risk iterations to determine transition points at which the likelihood of either improving neurologically or remaining unchanged neurologically was equivalent. These transition points guided our analyses in which we examined the linear relationships between time spent within target hemodynamic ranges (i.e., clinical adherence) and neurologic recovery. Relative risk transition points for CSFP, MAP, and spinal cord perfusion pressure (SCPP) were linearly associated with neurologic improvement and directed the identification of key hemodynamic target ranges. Clinical adherence to the target ranges was positively and linearly related to improved neurologic outcomes. Adherence to SCPP targets, not MAP targets, was the best indicator of improved neurologic recovery, which occurred with SCPP targets of 60 to 65 mm Hg. Failing to maintain the SCPP within the target ranges was an important detrimental factor in neurologic recovery, particularly if the target range is set lower. We provide an empirical, data-driven approach to aid institutions in setting hemodynamic management targets that accept the real-life challenges of adherence to specific targets. Our results provide a framework to guide the development of widespread institutional management guidelines for acute traumatic SCI.

Identifiants

pubmed: 31409736
pii: WNL.0000000000008125
doi: 10.1212/WNL.0000000000008125
doi:

Types de publication

Clinical Trial Journal Article Multicenter Study Observational Study Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

e1205-e1211

Informations de copyright

© 2019 American Academy of Neurology.

Auteurs

Jordan W Squair (JW)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Lise M Bélanger (LM)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Angela Tsang (A)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Leanna Ritchie (L)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Jean-Marc Mac-Thiong (JM)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Stefan Parent (S)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Sean Christie (S)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Christopher Bailey (C)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Sanjay Dhall (S)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Raphaele Charest-Morin (R)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

John Street (J)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Tamir Ailon (T)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Scott Paquette (S)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Nicolas Dea (N)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Charles G Fisher (CG)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Marcel F Dvorak (MF)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Christopher R West (CR)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada.

Brian K Kwon (BK)

From the International Collaboration on Repair Discoveries (J.W.S., C.R.W., B.K.K.); MD/PhD Training Program (J.W.S.), School of Kinesiology (C.R.W.), and Department of Orthopaedics (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D.), University of British Columbia; Vancouver Spine Program (L.M.B., A.T., L.R.), Vancouver General Hospital, British Columbia; Department of Surgery (J.-M.M.-T., S. Parent), Hôpital du Sacré-Coeur de Montréal, and Chu Sainte-Justine (S.C.), Department of Surgery, Université de Montréal, Quebec; Division of Orthopaedic Surgery (C.B.), London Health Sciences Centre, University of Western Ontario, Canada; Department of Neurological Surgery (S.D.), University of California, San Francisco; Vancouver Spine Surgery Institute (R.C.-M., J.S., T.A., S. Paquette, N.D., C.G.F., M.F.D., B.K.K.); and Division of Neurosurgery (B.K.K.), University of British Columbia, Blusson Spinal Cord Centre, Vancouver, Canada. brian.kwon@ubc.ca.

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