Abstract
Purpose
Delayed cerebral ischemia (DCI) remains a contributor to poor outcome following aneurysmal subarachnoid hemorrhage (aSAH). We evaluated cerebral circulation time (CCT) on digital subtraction angiography (DSA) during endovascular treatment (EVT) in WFNS grade I aSAH patients as a predictor of DCI.
Methods
Of 135 consecutive WNFS grade I aSAH patients, 90 were included. Age, gender, time of DSA from ictus (< 72 h or > 72 h), Fisher scale, severe vasospasm, development of DCI, EVD-dependent hydrocephalus, re-bleeding, and procedural complications were recorded. CCT was calculated retrospectively from multiphase DSA. Association with DCI was established through univariate and, subsequently, multivariable logistic regression. An optimal threshold value was identified using ROC curve analysis. Patient groups defined by threshold CCT value, DCI, and, subsequently, time of DSA from ictus were analyzed using χ2 and Fisher’s exact test.
Results
CCT was the only significant factor in the multivariable logistic regression for the outcome development of DCI (OR/second increase in CCT = 1.46 [95% CI 1.14–1.86, p = .003]). When CCT was dichotomized at 8.5 s, the odds ratio for developing DCI was 7.12 (95% CI 1.93–26.34, p = .003) for CCT > 8.5 s compared with < 8.5 s. There was a significant difference for DCI in all patient groups dichotomized by CCT < 8.5 s and > 8.5 s (all patients, p = .001; patients imaged before and after 72 h of ictus, p = .024 and p = .034, respectively).
Conclusion
A CCT > 8.5 s on DSA during EVT in WFNS grade I aSAH patients is associated with an increased risk of developing DCI and may aid in the management of high-risk patients.
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Data availability
Data are available upon reasonable request from Dr. René van den Berg; r.vdberg@amsterdamumc.nl.
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RvdB reports a consultancy agreement with Cerenovus neurovascular outside the submitted work (paid to institution). CBLMM reports grants from TWIN, during the conduct of the study, and grants from CVON/Dutch Heart Foundation, European Commission, Dutch Health Evaluation Program, and from Stryker outside the submitted work (paid to institution) and is a shareholder of Nico-lab. All other authors did not receive support from any organization for the submitted work, had no financial relationships with any organizations that might have an interest in the submitted work in the previous three years, and had no other relationships or activities that could appear to have influenced the submitted work.
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Schembri, M., Verbaan, D., Emmer, B.J. et al. Cerebral circulation time on DSA during endovascular treatment in WFNS grade I aneurysmal SAH patients—a predictor of DCI?. Neuroradiology 63, 2131–2138 (2021). https://doi.org/10.1007/s00234-021-02749-0
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DOI: https://doi.org/10.1007/s00234-021-02749-0