Predictors of parenchymal hematoma and clinical outcome after mechanical thrombectomy in patients with large ischemic core due to large vessel occlusion: a retrospective multicenter study

Andrea M Alexandre, Luca Scarcia, Valerio Brunetti, Irene Scala, Erwah Kalsoum, Iacopo Valente, Arianna Camilli, Davide De Leoni, Francesca Colò, Giovanni Frisullo, Mariangela Piano, Claudia Rollo, Antonio Macera, Maria Ruggiero, Elvis Lafe, Joseph D Gabrieli, Giacomo Cester, Nicola Limbucci, Francesco Arba, Simone FerrettiValerio Da Ros, Luigi Bellini, Giancarlo Salsano, Nicola Mavilio, Riccardo Russo, Mauro Bergui, Antonio A Caragliano, Sergio L Vinci, Daniele G Romano, Giulia Frauenfelder, Vittorio Semeraro, Maria P Ganimede, Emilio Lozupone, Andrea Romi, Anna Cavallini, Luca Milonia, Massimo Muto, Flavio Giordano, Luigi Cirillo, Paolo Calabresi, Alessandro Pedicelli, Aldobrando Broccolini

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

BackgroundThe aim of our study was to find predictors of parenchymal hematoma (PH) and clinical outcome after mechanical thrombectomy (MT) in patients with large vessel occlusion (LVO) and baseline large infarct.MethodsThe databases of 16 stroke centers were retrospectively screened for patients with anterior circulation LVO and baseline Alberta Stroke Program Early CT Score (ASPECTS) <= 5 that received MT. Procedural parameters, including the number of passes during first and second technique of MT, were recorded. Outcome measures were occurrence of PH type 2 and any type of PH after MT, and the 90-day modified Rankin Scale (mRS) score of 0-3 and 0-2.ResultsIn total, 408 patients were available for analysis. A higher number of passes in the second technique was predictive of PH type 2 (odds ratio (OR) - 3.204, 95% confidence interval (CI) 1.140 to 9.005), whereas procedure conducted under general anesthesia was associated with lower risk (OR 0.127, 95% CI 0.002 to 0.808). The modified thrombolysis in cerebral infarction grade 2c-3 was associated with the mRS score 0-3 (OR 3.373, 95% CI 1.891 to 6.017), whereas occurrence of PH type 2 was predictive of unfavorable outcome (OR 0.221, 95% CI 0.063 to 0.773). Similar results were found for the mRS score 0-2 outcome measure.ConclusionIn patients with large ischemic core, a higher number of passes during MT and procedure not conducted under general anesthesia are associated with increased rate of PH type 2, that negatively impact the clinical outcome. Our data outline a delicate balance between the need of a complete recanalization and the risk of PH following MT.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
RivistaJournal of NeuroInterventional Surgery
DOI
Stato di pubblicazionePubblicato - 2023

Keywords

  • Stroke
  • Intervention

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