Sadeghi Joni Saeid, Gerami Reza, Akhondi Negin, Etemadi Ali, Fosouli Mahnaz, Eghbal Aynaz Foroughi
Department of Radiology, Razi Hospital, Guilan University of Medical Sciences Rasht, Iran.
Department of Radiology, Faculty of Medicine, AJA University of Medical Sciences Tehran, Iran.
Int J Physiol Pathophysiol Pharmacol. 2022 Jun 15;14(3):200-205. eCollection 2022.
Susceptibility weighted imaging can be used to study intracranial venous blood arteries based on the paramagnetic sensitivity of blood discharged by oxygen (SWI). Significant hypotensive drainage channels have been discovered in the ischemic tissue of the brain, which have been recognized by SWI. The compliance or non-compliance between the variation in venous drainage of ischemic brain tissue by SWI and diffusion limitation.
This cross-sectional study was conducted in 2019 on 20 patients (15 men and 5 females) who were assigned to the Ghaem Hospital MRI Institute in Rasht, Iran.
Infarction has been detected in a total of 20 vascular regions. The caliber of the sulcal and intramedullary veins, on the other hand, was increased in 80 percent and 65 percent of the infarcted regions, respectively. In 45 percent of the vascular regions, a match between SWI and diffusion-weighted magnetic resonance imaging (DWI) was detected, mismatch was detected in two; follow-up revealed infarct progression.
Significant data on critically perfused cerebral cortex with possibility of infarction growth was focused on in elevated SWI investigations, contributing to SWI as a worthy MR implies that could be attached as complementary protocols to neuroimaging techniques for acute ischemia, according to the findings of this study.
基于氧释放血液的顺磁敏感性， susceptibility weighted imaging（SWI，磁敏感加权成像）可用于研究颅内静脉血动脉。在脑缺血组织中已发现重要的降压引流通道，这些通道已被SWI识别。SWI对缺血脑组织静脉引流变化与扩散限制之间的顺应性或非顺应性。
这项横断面研究于2019年对20例患者（15例男性和5例女性）进行，这些患者被分配到伊朗拉什特的加姆医院MRI研究所。
总共在20个血管区域检测到梗死。另一方面，在80%的梗死区域和65%的梗死区域中，脑沟和髓内静脉的管径分别增加。在45%的血管区域中，检测到SWI与扩散加权磁共振成像（DWI）匹配，在两个区域检测到不匹配；随访显示梗死进展。
根据本研究结果，在增强SWI检查中重点关注了关于可能发生梗死生长的严重灌注脑皮质的重要数据，这有助于将SWI作为一种有价值的磁共振成像手段，可作为急性缺血神经成像技术的补充方案。
