Stroke · 2024
Neuroprotective Effects of Rapid Local Ischemic Postconditioning in Successful Endovascular Thrombectomy Patients.
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Deng Jiangshan, He Guangchen, Yi Tingyu, Wei Liming, Lu Haitao, Zhou Qing, Yao Ye, Zhu Chengcheng, Levitt Michael R, Mossa-Basha Mahmud, Yang Haibo, Shen Yi, Shi Feng, Wang Duolao, Lin Longting, Parsons Mark, Chen Wenhuo, Zhu Yueqi
Аннотация
BACKGROUND: We aim to assess the efficacy of rapid local ischemic postconditioning (RL-IPostC) following successful reperfusion in patients with acute ischemic stroke with anterior circulation large vessel occlusion who underwent endovascular thrombectomy.
METHODS: We conducted an ambidirectional cohort study with 78 prospectively enrolled patients with RL-IPostC and endovascular thrombectomy and 129 retrospectively enrolled patients with endovascular thrombectomy. The RL-IPostC procedure involved 5 cycles of 15-s balloon inflation and deflation in the ipsilateral internal carotid artery. The primary outcome was functional independence, defined as a modified Rankin Scale score of 0 to 2. Secondary outcomes included excellent outcomes (modified Rankin Scale score, 0-1) and early therapeutic response. Imaging outcomes involved infarct volume changes and cerebral edema measurements. Outcomes were compared with postpropensity score matching (1:1) and assessed using univariable and multivariable regression models.
RESULTS: In the matched cohort of 136 patients (mean age, 71±14 years; 70 men [51%]), RL-IPostC was associated with a higher rate of functional independence (adjusted odds ratio, 2.47 [95% CI, 1.10-5.68]; P=0.030). The RL-IPostC group exhibited significantly reduced infarct volumes at 24 hours (difference, -12.2 [95% CI, -23.9 to -0.53]; P=0.041) and less infarct growth (difference, -12.2 [95% CI, -23.9 to -0.45]; P=0.042). Furthermore, RL-IPostC correlated with lower increases in net water uptake (difference, -0.04 [95% CI, -0.07 to -0.01]; P=0.018), lower decrease cerebrospinal fluid volume (difference, -7.75 [95% CI, -11.7 to -3.84]; P<0.001), and reduced midline shift at 24 hours (difference, -1.39 [95% CI, -2.48 to -0.30]; P=0.013).
CONCLUSIONS: RL-IPostC tends to promote functional independence and reduces infarct growth and cerebral edema in patients with acute ischemic stroke post-reperfusion.
METHODS: We conducted an ambidirectional cohort study with 78 prospectively enrolled patients with RL-IPostC and endovascular thrombectomy and 129 retrospectively enrolled patients with endovascular thrombectomy. The RL-IPostC procedure involved 5 cycles of 15-s balloon inflation and deflation in the ipsilateral internal carotid artery. The primary outcome was functional independence, defined as a modified Rankin Scale score of 0 to 2. Secondary outcomes included excellent outcomes (modified Rankin Scale score, 0-1) and early therapeutic response. Imaging outcomes involved infarct volume changes and cerebral edema measurements. Outcomes were compared with postpropensity score matching (1:1) and assessed using univariable and multivariable regression models.
RESULTS: In the matched cohort of 136 patients (mean age, 71±14 years; 70 men [51%]), RL-IPostC was associated with a higher rate of functional independence (adjusted odds ratio, 2.47 [95% CI, 1.10-5.68]; P=0.030). The RL-IPostC group exhibited significantly reduced infarct volumes at 24 hours (difference, -12.2 [95% CI, -23.9 to -0.53]; P=0.041) and less infarct growth (difference, -12.2 [95% CI, -23.9 to -0.45]; P=0.042). Furthermore, RL-IPostC correlated with lower increases in net water uptake (difference, -0.04 [95% CI, -0.07 to -0.01]; P=0.018), lower decrease cerebrospinal fluid volume (difference, -7.75 [95% CI, -11.7 to -3.84]; P<0.001), and reduced midline shift at 24 hours (difference, -1.39 [95% CI, -2.48 to -0.30]; P=0.013).
CONCLUSIONS: RL-IPostC tends to promote functional independence and reduces infarct growth and cerebral edema in patients with acute ischemic stroke post-reperfusion.