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Kurogi A, Onozuka D, Hagihara A, Nishimura K, Kada A, Hasegawa M, Higashi T, Kitazono T, Ohta T, Sakai N, Arai H, Miyamoto S, Sakamoto T, Iihara K. Influence of hospital capabilities and prehospital time on outcomes of thrombectomy for stroke in Japan from 2013 to 2016. Sci Rep 2022; 12:3252. [PMID: 35228551 PMCID: PMC8885934 DOI: 10.1038/s41598-022-06074-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 01/24/2022] [Indexed: 11/30/2022] Open
Abstract
To determine whether increasing thrombectomy-capable hospitals with moderate comprehensive stroke center (CSC) capabilities is a valid alternative to centralization of those with high CSC capabilities. This retrospective, nationwide, observational study used data from the J-ASPECT database linked to national emergency medical service (EMS) records, captured during 2013–2016. We compared the influence of mechanical thrombectomy (MT) use, the CSC score, and the total EMS response time on the modified Rankin Scale score at discharge among patients with acute ischemic stroke transported by ambulance, in phases I (2013–2014, 1461 patients) and II (2015–2016, 3259 patients). We used ordinal logistic regression analyses to analyze outcomes. From phase I to II, MTs increased from 2.7 to 5.5%, and full-time endovascular physicians per hospital decreased. The CSC score and EMS response time remained unchanged. In phase I, higher CSC scores were associated with better outcomes (1-point increase, odds ratio [95% confidence interval]: 0.951 [0.915–0.989]) and longer EMS response time was associated with worse outcomes (1-min increase, 1.007 [1.001–1.013]). In phase II, neither influenced the outcomes. During the transitional shortage of thrombectomy-capable hospitals, increasing hospitals with moderate CSC scores may increase nationwide access to MT, improving outcomes.
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Affiliation(s)
- Ai Kurogi
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Daisuke Onozuka
- Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Akihito Hagihara
- Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Kunihiro Nishimura
- Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Akiko Kada
- Department of Clinical Research Planning and Management, Clinical Research Center, National Hospital Organization Nagoya Medical Centre, Nagoya, Japan
| | - Manabu Hasegawa
- Immunization Office, Health Service Division, Health Service Bureau, Ministry of Health, Labor and Welfare, Tokyo, Japan
| | - Takahiro Higashi
- Division of Health Services Research, Center for Cancer Control and Information Services, National Cancer Center, Tokyo, Japan
| | - Takanari Kitazono
- Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Tsuyoshi Ohta
- Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Nobuyuki Sakai
- Department of Neurosurgery, Kobe City Medical Centre General Hospital, Kobe, Japan
| | - Hajime Arai
- Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - Susumu Miyamoto
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Tetsuya Sakamoto
- Department of Emergency Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Koji Iihara
- Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. .,Department of Neurosurgery, Director General of the Hospital, National Cerebral and Cardiovascular Center, 6-1, Kishibe-shimmmachi, Suita, Osaka, 564-8565, Japan.
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van Meenen LCC, den Hartog SJ, Groot AE, Emmer BJ, Smeekes MD, Siegers A, Kommer GJ, Majoie CBLM, Roos YBWEM, van Es ACGM, Dippel DW, van der Worp HB, Lingsma HF, Roozenbeek B, Coutinho JM. Relationship between primary stroke center volume and time to endovascular thrombectomy in acute ischemic stroke. Eur J Neurol 2021; 28:4031-4038. [PMID: 34528335 PMCID: PMC9292965 DOI: 10.1111/ene.15107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/03/2021] [Accepted: 09/09/2021] [Indexed: 11/29/2022]
Abstract
Background and purpose We investigated whether the annual volume of patients with acute ischemic stroke referred from a primary stroke center (PSC) for endovascular treatment (EVT) is associated with treatment times and functional outcome. Methods We used data from the Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands (MR CLEAN) registry (2014–2017). We included patients with acute ischemic stroke of the anterior circulation who were transferred from a PSC to a comprehensive stroke center (CSC) for EVT. We examined the association between EVT referral volume of PSCs and treatment times and functional outcome using multivariable regression modeling. The main outcomes were time from arrival at the PSC to groin puncture (PSC‐door‐to‐groin time), adjusted for estimated ambulance travel times, time from arrival at the CSC to groin puncture (CSC‐door‐to‐groin time), and modified Rankin Scale (mRS) score at 90 days after stroke. Results Of the 3637 patients in the registry, 1541 patients (42%) from 65 PSCs were included. Mean age was 71 years (SD ± 13.3), median National Institutes of Health Stroke Scale score was 16 (interquartile range [IQR]: 12–19), and median time from stroke onset to arrival at the PSC was 53 min (IQR: 38–90). Eighty‐three percent had received intravenous thrombolysis. EVT referral volume was not associated with PSC‐door‐to‐groin time (adjusted coefficient: −0.49 min/annual referral, 95% confidence interval [CI]: −1.27 to 0.29), CSC‐door‐to‐groin time (adjusted coefficient: −0.34 min/annual referral, 95% CI: −0.69 to 0.01) or 90‐day mRS score (adjusted common odds ratio: 0.99, 95% CI: 0.96–1.01). Conclusions In patients transferred from a PSC for EVT, higher PSC volumes do not seem to translate into better workflow metrics or patient outcome.
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Affiliation(s)
- Laura C C van Meenen
- Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Sanne J den Hartog
- Department of Neurology, Erasmus Medical Center, University Medical Center, Rotterdam, the Netherlands.,Department of Radiology & Nuclear Medicine, Erasmus Medical Center, University Medical Center, Rotterdam, the Netherlands.,Department of Public Health, Erasmus Medical Center, University Medical Center, Rotterdam, the Netherlands
| | - Adrien E Groot
- Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Bart J Emmer
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Martin D Smeekes
- Emergency Medical Services North-Holland North, Alkmaar, the Netherlands
| | | | - Geert Jan Kommer
- Center for Nutrition, Prevention, and Health Services, National Institute of Public Health and the Environment, Bilthoven, the Netherlands
| | - Charles B L M Majoie
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Yvo B W E M Roos
- Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Adriaan C G M van Es
- Department of Radiology and Nuclear Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Diederik W Dippel
- Department of Neurology, Erasmus Medical Center, University Medical Center, Rotterdam, the Netherlands
| | - H Bart van der Worp
- Department of Neurology and Neurosurgery, Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Hester F Lingsma
- Department of Public Health, Erasmus Medical Center, University Medical Center, Rotterdam, the Netherlands
| | - Bob Roozenbeek
- Department of Neurology, Erasmus Medical Center, University Medical Center, Rotterdam, the Netherlands
| | - Jonathan M Coutinho
- Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
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