Value of repeated imaging in patients with a stroke who are transferred for endovascular treatment
© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY. Published by BMJ..
BACKGROUND: Patients with a stroke who are transferred to a comprehensive stroke center for endovascular treatment (EVT) often undergo repeated neuroimaging prior to EVT.
OBJECTIVE: To evaluate the yield of repeating imaging and its effect on treatment times.
METHODS: We included adult patients with a large vessel occlusion (LVO) stroke who were referred to our hospital for EVT by primary stroke centers (2016-2019). We excluded patients who underwent repeated imaging because primary imaging was unavailable, incomplete, or of insufficient quality. Outcomes included treatment times and repeated imaging findings.
RESULTS: Of 677 transferred LVO stroke, 551 were included. Imaging was repeated in 165/551 patients (30%), mostly because of clinical improvement (86/165 (52%)) or deterioration (40/165 (24%)). Patients who underwent repeated imaging had higher door-to-groin-times than patients without repeated imaging (median 43 vs 27 min, adjusted time difference: 20 min, 95% CI 15 to 25). Among patients who underwent repeated imaging because of clinical improvement, the LVO had resolved in 50/86 (58%). In patients with clinical deterioration, repeated imaging led to refrainment from EVT in 3/40 (8%). No symptomatic intracranial hemorrhages (sICH) were identified. Ultimately, 75/165 (45%) of patients with repeated imaging underwent EVT compared with 326/386 (84%) of patients without repeated imaging (p<0.01).
CONCLUSIONS: Neuroimaging was repeated in 30% of patients with an LVO stroke and resulted in a median treatment delay of 20 minutes. In patients with clinical deterioration, no sICH were detected and repeated imaging rarely changed the indication for EVT. However, in more than half of patients with clinical improvement, the LVO had resolved, resulting in refrainment from EVT.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:14 |
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| Enthalten in: |
Journal of neurointerventional surgery - 14(2022), 1 vom: 30. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
van Meenen, Laura C C [VerfasserIn] |
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| Anmerkungen: |
Date Completed 20.01.2022 Date Revised 05.02.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1136/neurintsurg-2020-017050 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM322431654 |
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| 245 | 1 | 0 | |a Value of repeated imaging in patients with a stroke who are transferred for endovascular treatment |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY. Published by BMJ. | ||
| 520 | |a BACKGROUND: Patients with a stroke who are transferred to a comprehensive stroke center for endovascular treatment (EVT) often undergo repeated neuroimaging prior to EVT | ||
| 520 | |a OBJECTIVE: To evaluate the yield of repeating imaging and its effect on treatment times | ||
| 520 | |a METHODS: We included adult patients with a large vessel occlusion (LVO) stroke who were referred to our hospital for EVT by primary stroke centers (2016-2019). We excluded patients who underwent repeated imaging because primary imaging was unavailable, incomplete, or of insufficient quality. Outcomes included treatment times and repeated imaging findings | ||
| 520 | |a RESULTS: Of 677 transferred LVO stroke, 551 were included. Imaging was repeated in 165/551 patients (30%), mostly because of clinical improvement (86/165 (52%)) or deterioration (40/165 (24%)). Patients who underwent repeated imaging had higher door-to-groin-times than patients without repeated imaging (median 43 vs 27 min, adjusted time difference: 20 min, 95% CI 15 to 25). Among patients who underwent repeated imaging because of clinical improvement, the LVO had resolved in 50/86 (58%). In patients with clinical deterioration, repeated imaging led to refrainment from EVT in 3/40 (8%). No symptomatic intracranial hemorrhages (sICH) were identified. Ultimately, 75/165 (45%) of patients with repeated imaging underwent EVT compared with 326/386 (84%) of patients without repeated imaging (p<0.01) | ||
| 520 | |a CONCLUSIONS: Neuroimaging was repeated in 30% of patients with an LVO stroke and resulted in a median treatment delay of 20 minutes. In patients with clinical deterioration, no sICH were detected and repeated imaging rarely changed the indication for EVT. However, in more than half of patients with clinical improvement, the LVO had resolved, resulting in refrainment from EVT | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CT | |
| 650 | 4 | |a stroke | |
| 650 | 4 | |a thrombectomy | |
| 700 | 1 | |a Arrarte Terreros, Nerea |e verfasserin |4 aut | |
| 700 | 1 | |a Groot, Adrien E |e verfasserin |4 aut | |
| 700 | 1 | |a Kappelhof, Manon |e verfasserin |4 aut | |
| 700 | 1 | |a Beenen, Ludo F M |e verfasserin |4 aut | |
| 700 | 1 | |a Marquering, Henk A |e verfasserin |4 aut | |
| 700 | 1 | |a Emmer, Bart J |e verfasserin |4 aut | |
| 700 | 1 | |a Roos, Yvo B W E M |e verfasserin |4 aut | |
| 700 | 1 | |a Majoie, Charles B L M |e verfasserin |4 aut | |
| 700 | 1 | |a Coutinho, Jonathan M |e verfasserin |4 aut | |
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