Sex Differences in Prognostic Markers: Exploring Outcome Variability After Mechanical Thrombectomy in Large Vessel Occlusion Stroke
Abstract
1. Introduction
2. Materials and Methods
2.1. Patient Selection
2.2. Image Acquisition and Analysis
2.3. Clinical and Demographic Data
2.4. Statistical Analysis
3. Results
3.1. Clinical and Demographic Data
3.2. Association Between Sex and Functional Outcome
3.3. Sex Dependent Associations of Prognostic Markers with Outcome
4. Discussion
4.1. Study Aim and Key Findings
4.2. Association Between Sex and Functional Outcome
4.3. Sex Dependent Associations of Prognostic Markers with Outcome
4.4. Limitations and Future Directions
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
| LVO | Large vessel occlusion |
| MT | Mechanical thrombectomy |
| ASPECTS | Alberta stroke program early CT score |
| NIHSS | National Institutes of Health Stroke Scale |
| mRS | Modified Rankin scale |
| RCT | Randomized controlled trials |
| NCCT | Non-enhanced cranial CT |
| CBF | Cerebral blood flow |
| Tmax | Time-to-maximum of the tissue residue function |
| MCA | Middle cerebral artery |
| TICI | Thrombolysis in cerebral infarction |
| OR | Odds ratio |
| CI | Confidence interval |
| IQR | Interquartile range |
| SD | Standard deviation |
| ICA | Internal carotid artery |
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| Variable | n = 183 | Male (n = 91) | Female (n = 92) | p-Value |
|---|---|---|---|---|
| Age (±SD) in yrs | 72 ± 13 | 70 ± 13 | 75 ± 12 | * 0.005 |
| Median NIHSS (IQR) | 16 (11–18) | 15 (11.5–18) | 16 (11–18) | 0.623 |
| Median ASPECTS (IQR) | 7 (6–9) | 7 (5.5–8) | 8 (6.75–9) | 0.086 |
| Core lesion (±SD) (in % of whole brain vol.) | 7 (5) | 6 (4) | 7 (6) | 0.366 |
| Core lesion (±SD) in mL | 70 (50) | 70 (45) | 70 (55) | 0.981 |
| Median collateral status (IQR) | 2 (2–3) | 2 (2–2) | 2 (2–3) | 0.155 |
| Time symptom to admission (min ± SD) (n = 118) | 96 (60) | 92 (59) | 99 (68) | 0.554 |
| Time imaging to reperfusion (min ± SD) (n = 170) | 114 (50) | 109 (43) | 122 (56) | 0.111 |
| Number (proportion%) of patients with | ||||
| affection of the right hemisphere | 93 (51) | 47 (52) | 46 (50) | 0.825 |
| IV thrombolysis received | 125 (68) | 63 (69) | 62 (67) | 0.791 |
| Successful recanalization (≥TICI 2b) | 113 (62) | 61 (67) | 52 (57) | 0.145 |
| Vessel occlusion in CT angiography | ||||
| Proximal ICA | 50 (27) | 29 (32) | 21 (23) | 0.186 |
| Distal ICA | 15 (8) | 9 (10) | 6 (7) | 0.422 |
| Distal ICA/carotid T | 22 (12) | 12 (13) | 10 (11) | 0.652 |
| M1 | 101 (55) | 46 (51) | 55 (60) | 0.181 |
| Diagnosis of | ||||
| Arterial hypertension | 120 (66) | 59 (65) | 61 (66) | 0.836 |
| Diabetes mellitus | 40 (22) | 18 (20) | 22 (24) | 0.615 |
| Hypercholesterolemia | 46 (25) | 23 (25) | 23 (25) | 0.967 |
| Atrial fibrillation | 80 (44) | 32 (35) | 48 (52) | * 0.021 |
| History of ischemic stroke | 17 (9) | 6 (7) | 11 (12) | 0.214 |
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Schacht, H.; Neumann, A.; Petersen, N.; Ehm, L.M.; Marburg, M.; Matthis, C.; Jensen-Kondering, U.; Schramm, P.; Minnerup, J.; Royl, G.; et al. Sex Differences in Prognostic Markers: Exploring Outcome Variability After Mechanical Thrombectomy in Large Vessel Occlusion Stroke. J. Clin. Med. 2025, 14, 7855. https://doi.org/10.3390/jcm14217855
Schacht H, Neumann A, Petersen N, Ehm LM, Marburg M, Matthis C, Jensen-Kondering U, Schramm P, Minnerup J, Royl G, et al. Sex Differences in Prognostic Markers: Exploring Outcome Variability After Mechanical Thrombectomy in Large Vessel Occlusion Stroke. Journal of Clinical Medicine. 2025; 14(21):7855. https://doi.org/10.3390/jcm14217855
Chicago/Turabian StyleSchacht, Hannes, Alexander Neumann, Nora Petersen, Lis Merrit Ehm, Maria Marburg, Christine Matthis, Ulf Jensen-Kondering, Peter Schramm, Jens Minnerup, Georg Royl, and et al. 2025. "Sex Differences in Prognostic Markers: Exploring Outcome Variability After Mechanical Thrombectomy in Large Vessel Occlusion Stroke" Journal of Clinical Medicine 14, no. 21: 7855. https://doi.org/10.3390/jcm14217855
APA StyleSchacht, H., Neumann, A., Petersen, N., Ehm, L. M., Marburg, M., Matthis, C., Jensen-Kondering, U., Schramm, P., Minnerup, J., Royl, G., & Koch, P. J. (2025). Sex Differences in Prognostic Markers: Exploring Outcome Variability After Mechanical Thrombectomy in Large Vessel Occlusion Stroke. Journal of Clinical Medicine, 14(21), 7855. https://doi.org/10.3390/jcm14217855

