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Prospective, Multicenter, Controlled Trial of Mobile Stroke Units.
Grotta, James C; Yamal, Jose-Miguel; Parker, Stephanie A; Rajan, Suja S; Gonzales, Nicole R; Jones, William J; Alexandrov, Anne W; Navi, Babak B; Nour, May; Spokoyny, Ilana; Mackey, Jason; Persse, David; Jacob, Asha P; Wang, Mengxi; Singh, Noopur; Alexandrov, Andrei V; Fink, Matthew E; Saver, Jeffrey L; English, Joey; Barazangi, Nobl; Bratina, Patti L; Gonzalez, Michael; Schimpf, Brandi D; Ackerson, Kim; Sherman, Carla; Lerario, Mackenzie; Mir, Saad; Im, Jenny; Willey, Josh Z; Chiu, David; Eisshofer, Michael; Miller, Janice; Ornelas, David; Rhudy, James P; Brown, Kevin M; Villareal, Bryan M; Gausche-Hill, Marianne; Bosson, Nichole; Gilbert, Greg; Collins, Sarah Q; Silnes, Kelly; Volpi, Jay; Misra, Vivek; McCarthy, James; Flanagan, Tom; Rao, Chethan P V; Kass, Joseph S; Griffin, Laura; Rangel-Gutierrez, Nicole; Lechuga, Edgar.
Afiliação
  • Grotta JC; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Yamal JM; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Parker SA; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Rajan SS; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Gonzales NR; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Jones WJ; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Alexandrov AW; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Navi BB; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Nour M; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Spokoyny I; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Mackey J; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Persse D; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Jacob AP; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Wang M; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Singh N; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Alexandrov AV; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Fink ME; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Saver JL; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • English J; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Barazangi N; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Bratina PL; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Gonzalez M; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Schimpf BD; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Ackerson K; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Sherman C; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Lerario M; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Mir S; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Im J; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Willey JZ; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Chiu D; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Eisshofer M; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Miller J; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Ornelas D; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Rhudy JP; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Brown KM; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Villareal BM; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Gausche-Hill M; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Bosson N; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Gilbert G; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Collins SQ; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Silnes K; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Volpi J; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Misra V; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • McCarthy J; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Flanagan T; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Rao CPV; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Kass JS; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Griffin L; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Rangel-Gutierrez N; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
  • Lechuga E; From the Mobile Stroke Unit, Memorial Hermann Hospital-Texas Medical Center (J.C.G., J. McCarthy, T.F.), the Departments of Biostatistics and Data Science (J.-M.Y., A.P.J., M.W., N.S., M.G.) and Management, Policy, and Community Heath (S.S.R.), University of Texas School of Public Health, the Depart
N Engl J Med ; 385(11): 971-981, 2021 09 09.
Article em En | MEDLINE | ID: mdl-34496173
ABSTRACT

BACKGROUND:

Mobile stroke units (MSUs) are ambulances with staff and a computed tomographic scanner that may enable faster treatment with tissue plasminogen activator (t-PA) than standard management by emergency medical services (EMS). Whether and how much MSUs alter outcomes has not been extensively studied.

METHODS:

In an observational, prospective, multicenter, alternating-week trial, we assessed outcomes from MSU or EMS management within 4.5 hours after onset of acute stroke symptoms. The primary outcome was the score on the utility-weighted modified Rankin scale (range, 0 to 1, with higher scores indicating better outcomes according to a patient value system, derived from scores on the modified Rankin scale of 0 to 6, with higher scores indicating more disability). The main analysis involved dichotomized scores on the utility-weighted modified Rankin scale (≥0.91 or <0.91, approximating scores on the modified Rankin scale of ≤1 or >1) at 90 days in patients eligible for t-PA. Analyses were also performed in all enrolled patients.

RESULTS:

We enrolled 1515 patients, of whom 1047 were eligible to receive t-PA; 617 received care by MSU and 430 by EMS. The median time from onset of stroke to administration of t-PA was 72 minutes in the MSU group and 108 minutes in the EMS group. Of patients eligible for t-PA, 97.1% in the MSU group received t-PA, as compared with 79.5% in the EMS group. The mean score on the utility-weighted modified Rankin scale at 90 days in patients eligible for t-PA was 0.72 in the MSU group and 0.66 in the EMS group (adjusted odds ratio for a score of ≥0.91, 2.43; 95% confidence interval [CI], 1.75 to 3.36; P<0.001). Among the patients eligible for t-PA, 55.0% in the MSU group and 44.4% in the EMS group had a score of 0 or 1 on the modified Rankin scale at 90 days. Among all enrolled patients, the mean score on the utility-weighted modified Rankin scale at discharge was 0.57 in the MSU group and 0.51 in the EMS group (adjusted odds ratio for a score of ≥0.91, 1.82; 95% CI, 1.39 to 2.37; P<0.001). Secondary clinical outcomes generally favored MSUs. Mortality at 90 days was 8.9% in the MSU group and 11.9% in the EMS group.

CONCLUSIONS:

In patients with acute stroke who were eligible for t-PA, utility-weighted disability outcomes at 90 days were better with MSUs than with EMS. (Funded by the Patient-Centered Outcomes Research Institute; BEST-MSU ClinicalTrials.gov number, NCT02190500.).
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Ambulâncias / Ativador de Plasminogênio Tecidual / Serviços Médicos de Emergência / Tempo para o Tratamento / AVC Isquêmico / Unidades Móveis de Saúde Tipo de estudo: Clinical_trials / Etiology_studies / Observational_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male / Middle aged Idioma: En Ano de publicação: 2021 Tipo de documento: Article
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Ambulâncias / Ativador de Plasminogênio Tecidual / Serviços Médicos de Emergência / Tempo para o Tratamento / AVC Isquêmico / Unidades Móveis de Saúde Tipo de estudo: Clinical_trials / Etiology_studies / Observational_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male / Middle aged Idioma: En Ano de publicação: 2021 Tipo de documento: Article