Outcomes of Adjunct Emergent Stenting Versus Mechanical Thrombectomy Alone: The RESCUE-ICAS Registry.
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Al Kasab Sami, Almallouhi Eyad, Jumaa Mohammad, Inoa Violiza, Capasso Francesco, Nahhas Michael, Starke Robert M, Fragata Isabel, Bender Matthew, Moldovan Krisztina, Yaghi Shadi, Maier Ilko, Grossberg Jonathan A, Jabbour Pascal, Psychogios Marios, Samaniego Edgar A, Burkhardt Jan-Karl, Jankowitz Brian, Abdalkader Mohamad, Hassan Ameer E, Altschul David, Mascitelli Justin, Regenhardt Robert W, Wolfe Stacey, Ezzeldin Mohamad, Limaye Kaustubh, Grandhi Ramesh, Al Jehani Hosam, Niazi Muhammad, Goyal Nitin, Tjoumakaris Stavropoula, Alawieh Ali, Abdelsalam Ahmed, Guada Luis, Ntoulias Nikos, El-Ghawanmeh Reem, Batra Vivek, Choi Ashley, Zohdy Youssef M, Nguyen Sarah, Essibayi Muhammed Amir, El Naamani Kareem, Koo Andrew, Almekhlafi Mohammed, Raz Eytan, Miller Samantha, Mierzwa Adam, Zaidi Syed, Gudino Andres S, Alsarah Ali, Azeem Hussain Mohammad, Mattingly Thomas K, Schartz Derrek A, Nelson Ashley, Pinheiro Carolina, Spiotta Alejandro M, Kicielinski Kimberly, Lena Jonathan, Lajthia Orgest, Hubbard Zachary, Zaidat Osama O, Derdeyn Colin P, Klein Piers, Nguyen Thanh N, de Havenon Adam
Аннотация
METHODS: We conducted a prospective multicenter observational international cohort study. Patients were enrolled between January 2022 and December 2023 at 25 thrombectomy-capable centers in North America, Europe, and Asia. Consecutive patients treated with mechanical thrombectomy were included if they were identified as having underlying intracranial stenosis, defined as 50% to 99% residual stenosis of the target vessel or intraprocedural reocclusion. The primary outcome was functional independence, defined as a modified Rankin Scale score of 0 to 2 at 90 days. After applying inverse probability of treatment weighting based on propensity scores, we compared outcomes among patients who underwent adjunct emergent intracranial stenting (stenting) versus those who received mechanical thrombectomy alone.
RESULTS: A total of 417 patients were included: 218 patients treated with mechanical thrombectomy alone (168 anterior circulation) and 199 with mechanical thrombectomy plus stenting (144 anterior circulation). Patients in the stenting group were less likely to be non-Hispanic White (51.8% versus 62.4%, P=0.03) and less likely to have diabetes (33.2% versus 43.1%, P=0.037) or hyperlipidemia (43.2% versus 56%, P=0.009). In addition, there was a lower rate of IV thrombolysis use in the stenting group (18.6% versus 27.5%, P=0.03). There was a higher rate of successful reperfusion (modified Treatment in Cerebral Infarction score ≥2B) in the stenting versus mechanical thrombectomy-alone group (90.9% versus 77.9%, P<0.001) and a higher rate of a 24-hour infarct volume of <30 mL (n=260, 67.9% versus 50.3%, P=0.005). The overall complication rate was higher in the stenting group (12.6% versus 5%, P=0.006), but there was not a significant difference in the rate of symptomatic hemorrhage (9% versus 5.5%, P=0.162). Functional independence at 90 days was significantly higher in the stenting group (42.2% versus 28.4%, adjusted odds ratio, 2.67 [95% CI, 1.66-4.32]).
CONCLUSIONS: In patients with underlying stenosis who achieved reperfusion with mechanical thrombectomy, adjunct emergent stenting was associated with better functional outcome without a significantly increased risk of symptomatic hemorrhage.
REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT05403593.