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The Role of Serum Matrix Metalloproteinase-9 as a Predictor of Delayed Cerebral Ischemia in Patients with Aneurysmal Subarachnoid Hemorrhage

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Abstract

Delayed cerebral ischemia (DCI) is one of the major causes of a poor neurological outcome following aneurysmal subarachnoid hemorrhage (aSAH). Several biomarkers, including matrix metalloproteinase-9 (MMP-9), have been evaluated to predict the development of DCI for timely management. This prospective cohort study was done on 98 patients with aSAH presenting within 72 h of the ictus. Serum samples were collected preoperatively, 7 days after ictus, 10 days after ictus, or when the patient developed DCI, whichever was earlier. The primary objective was to correlate the serum MMP-9 levels with the development of DCI. The secondary objectives were to correlate the serum MMP-9 levels with sonographic vasospasm and the neurological outcome. There was no correlation between the serum MMP-9 levels and the development of DCI (p = 0.37). Similarly, there was no correlation between the serum MMP-9 levels and the sonographic vasospasm (0.05) nor with the modified Rankin Scale (mRS) at discharge (p = 0.27), mRS at 3 months (p = 0.22), and Glasgow Outcome Scale Extended (GOSE) at 3 months (p = 0.15). Serum MMP-9 levels do not predict the development of DCI following aSAH.

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Funding

Received institutional research grant for the purchase of the ELSIA kits.

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Contributions

All authors contributed to the study’s conception and design. The data collection was done by V.N. and A.D. The biochemical analysis was performed by M.K. and the data analysis was performed by V.G. and H.B. The first draft of the manuscript was written by V.N. and S.M. All authors have read and approved the final manuscript.

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Correspondence to Hemant Bhagat.

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Ethical clearance was received from the Institutional Ethical Committee, approval number: INT/IEC/2021/712.

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The authors declare no competing interests.

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Narayan, V., Kumar, M., Mahajan, S. et al. The Role of Serum Matrix Metalloproteinase-9 as a Predictor of Delayed Cerebral Ischemia in Patients with Aneurysmal Subarachnoid Hemorrhage. J Mol Neurosci 74, 18 (2024). https://doi.org/10.1007/s12031-024-02194-7

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  • DOI: https://doi.org/10.1007/s12031-024-02194-7

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