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Transdural Revascularization by Multiple Burrhole After Erythropoietin in Stroke Patients With Cerebral Hypoperfusion: A Randomized Controlled Trial

Hong, JM  | Choi, MH | Park, GH | Shin, HS | Lee, SJ  | Lee, JS  | Lim, YC
Stroke, 53(9). : 2739-2748, 2022
Journal Title
BACKGROUND: In patients with acute symptomatic stroke, reinforcement of transdural angiogenesis using multiple burr hole (MBH) procedures after EPO (erythropoietin) treatment has rarely been addressed. We aimed to investigate the efficacy and safety of cranial MBH procedures under local anesthesia for augmenting transdural revascularization after EPO treatment in patients with stroke with perfusion impairments. METHODS: This prospective, randomized, blinded-end point trial recruited patients with acute ischemic stroke with a perfusion impairment of grade >/=2 within 14 days of symptom onset, steno-occlusive mechanisms on imaging examinations, and absence of transdural collaterals on transfemoral cerebral angiography. Patients were randomly assigned to receive MBH + EPO or MBH alone. The primary and secondary outcomes were revascularization success (trans-hemispheric and trans-burr hole) at 6 months and adverse events, respectively. RESULTS: We evaluated 42 of the 44 targeted patients, with 2 patients lost to follow-up. The combined and MBH-only (n=21 each) groups showed no differences in demographic characteristics and baseline perfusion parameters. Significantly, more cases of trans-hemispheric (19/21 [90.5%] versus 12/21 [57.1%]) and trans-burr hole (42/58 [72.4%] versus 30/58 [51.7%]) revascularization and significant improvements in perfusion parameters were observed in the combined group relative to the MBH-only group. No differences in treatment-related complications were observed between groups. Even after adjustment for potential covariates, EPO usage was an independent factor of successful hemispheric revascularization in this study (odds ratio, 6.41 [95% CI, 1.08-38.02]). CONCLUSIONS: The combination of MBH and EPO is safe and feasible for reinforcing transdural revascularization in acute steno-occlusive patients with perfusion impairments. REGISTRATION: URL: https://www. CLINICALTRIALS: gov; Unique identifier: NCT02603406.


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Journal Papers > School of Medicine / Graduate School of Medicine > Neurology
Journal Papers > School of Medicine / Graduate School of Medicine > Neurosurgery
Ajou Authors
이, 성준  |  이, 진수  |  임, 용철  |  홍, 지만
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