To evaluate the ability of collateral circulation imaging, named the 'collateral map,' to predict lesion growth and penumbra in patients with acute ischemic stroke due to large vessel steno-occlusion in the anterior circulation, which is crucial for improving treatment outcomes.
Key Findings:
Good collateral circulation is associated with less infarct growth and better functional outcomes, defined as improved scores on the modified Rankin scale.
Current imaging methods provide limited information on collateral circulation and underlying tissue status.
The collateral map may improve predictions of lesion growth and penumbra compared to traditional imaging methods.
Interpretation:
The collateral map offers a dynamic assessment of collateral circulation, which may enhance patient selection for recanalization treatments and improve outcomes in acute ischemic stroke, potentially transforming clinical decision-making.
Limitations:
The study is retrospective and may be subject to selection bias.
The accuracy of collateral maps depends on the imaging techniques and software used.
Findings may not be generalizable to all patient populations due to specific inclusion criteria.
Conclusion:
The collateral map could serve as a valuable tool in predicting lesion growth and penumbra, potentially guiding treatment decisions in acute ischemic stroke patients.
by Jin Seok Yi, Hee Jong Ki, Yoo Sung Jeon, Jeong Jin Park, Taek-Jun Lee, Jin Tae Kwak, Sang Bong Lee, Hyung Jin Lee, In Seong Kim, Joo Hyun Kim, Ji Sung Lee, Hong Gee Roh, Hyun Jeong Kim
