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van der Sluijs PM, Su R, Cornelissen S, van Es ACGM, Lycklama A Nijeholt GJ, van Doormaal PJ, van Zwam WH, Dippel DWJ, van Walsum T, van der Lugt A. Assessment of automated TICI scoring during endovascular treatment in patients with an ischemic stroke. J Neurointerv Surg 2024:jnis-2024-021892. [PMID: 39019506 DOI: 10.1136/jnis-2024-021892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 06/18/2024] [Indexed: 07/19/2024]
Abstract
BACKGROUND The extended Thrombolysis in Cerebral Infarction (eTICI) score is used in digital subtraction angiography (DSA) to quantify reperfusion grade in patients with an ischemic stroke who undergo endovascular thrombectomy (EVT). A previously developed automatic TICI score (autoTICI), which quantifies the ratio of reperfused pixels after EVT, demonstrates good correlation with eTICI. OBJECTIVE To evaluate the autoTICI model in a large multicenter registry of patients with an ischemic stroke, investigate the association with visual eTICI, and compare prediction of functional outcome between autoTICI and eTICI. METHODS Patients in the MR CLEAN Registry with an internal carotid artery, M1, and M2 occlusion were selected if both anteroposterior and lateral views were present in pre- and post-EVT DSA scans. The autoTICI score was compared with eTICI in predicting favorable functional outcome (modified Rankin Scale score 0-2), using area under the receiver operating characteristics curve (AUC) with a multivariable logistic regression model including known prognostic characteristics. RESULTS In total 421 of 3637 patients were included. AutoTICI was significantly associated with eTICI non-linearly (below 70% cOR=2.3 (95% CI 2.1 to 2.5), above 70% cOR=1.6 (95% CI 1.6 to 1.7) per 10% increment). The AUC of the model predicting favorable functional outcome was similar for autoTICI and eTICI (0.86, 95% CI 0.82 to 0.92 vs 0.86, 95% CI 0.83 to 0.90, P=0.73) and was higher than for a model with prognostic patient characteristics alone (0.86 vs 0.84, P=0.01). CONCLUSION Automatic quantitative assessment of reperfusion after EVT is associated with eTICI, and prediction of functional outcome is similar to that with visual eTICI. Therefore, autoTICI could be used as an alternative or additional review for visual reperfusion assessment to facilitate reproducible and uniform reporting.
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Affiliation(s)
| | - Ruisheng Su
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, Zuid-Holland, The Netherlands
| | - Sandra Cornelissen
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, Zuid-Holland, The Netherlands
| | - Adriaan C G M van Es
- Department of Radiology, Leiden Universitair Medisch Centrum, Leiden, Zuid-Holland, The Netherlands
| | | | - Pieter Jan van Doormaal
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, Zuid-Holland, The Netherlands
| | - Wim H van Zwam
- Department of Radiology, Maastricht UMC+, Maastricht, Limburg, The Netherlands
| | - Diederik W J Dippel
- Department of Neurology, Erasmus MC, Rotterdam, Zuid-Holland, The Netherlands
| | - T van Walsum
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, Zuid-Holland, The Netherlands
| | - Aad van der Lugt
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, Zuid-Holland, The Netherlands
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Chen L, Xu Z, Zhang C, Ji Y, Huang X, Yang W, Zhou Z, Wang S, Wang K, Luo B, Wang J. Post-ASPECTS based on hyperdensity in NCCT immediately after thrombectomy is an ultra-early predictor of hemorrhagic transformation and prognosis. Front Neurol 2022; 13:887277. [PMID: 36034273 PMCID: PMC9399794 DOI: 10.3389/fneur.2022.887277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 07/13/2022] [Indexed: 11/13/2022] Open
Abstract
Background and PurposeAlmost half of the patients exhibit futile recanalization after thrombectomy; however, the early postoperative predictors of futile recanalization remain unclear. We analyzed the relationship of post-thrombectomy ASPECTS (Post-ASPECTS) with 90-day prognosis and hemorrhagic transformation (HT).MethodsWe collected data from patients with acute ischemic stroke (AIS) with anterior-circulation large vessel occlusion (ACLVO) who were treated via thrombectomy within 10 h in 3 hospitals. Successful endovascular recanalization was achieved (modified thrombolysis in cerebral ischemia [mTICI] 2b/3). Non-contrast computed tomography (NCCT) examination was performed immediately (within 1 h) after thrombectomy. Post-ASPECTS were scored based on the brain parenchymal hyperdensity in NCCT according to the ASPECTS scoring method. HT was defined according to the ECASS II classification criteria. Linear correlation, logistic regression, and receiver operating characteristic curve analyses were used to determine the influencing factors and best predictive value of 90-day prognosis, 90-day death, and HT.ResultsA total of 231 patients were enrolled. The good prognosis rate, mortality rate, and HT rate were 57.1, 9.5, and 38.3%, respectively. The Post-ASPECTS affected poor prognosis, death, and HT. The best predictive value of Post-ASPECTS for poor prognosis, death, and HT was 7. The specificities of Post-ASPECTS for predicting HT, poor prognosis, and death were 87.6% (AUC, 0.811; P < 0.001), 87.1% (AUC, 0.768; P < 0.001), and 73.7% (AUC, 0.748; P < 0.001), with positive predictive values of 74.2, 75.7, and 21.4%, respectively.ConclusionPost-ASPECTS predicted 90-day prognosis, death, and HT with high specificity and high positive predictive value in patients with AIS with ACLVO. Post-ASPECTS may be an ultra-early predictor of prognosis after thrombectomy.
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Affiliation(s)
- Lulu Chen
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ziqi Xu
- Department of Neurology, Brain Medical Centre, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chen Zhang
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yachen Ji
- Department of Neurology, Yijishan Hospital of Wannan Medical College, Wuhu, China
| | - Xianjun Huang
- Department of Neurology, Yijishan Hospital of Wannan Medical College, Wuhu, China
| | - Weimin Yang
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zhiming Zhou
- Department of Neurology, Yijishan Hospital of Wannan Medical College, Wuhu, China
| | - Shuiping Wang
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Kai Wang
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Benyan Luo
- Department of Neurology, Brain Medical Centre, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingye Wang
- Department of Neurology, First Affiliated Hospital of Anhui Medical University, Hefei, China
- *Correspondence: Jingye Wang
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Kollikowski AM, Pham M, März AG, Papp L, Nieswandt B, Stoll G, Schuhmann MK. Platelet Activation and Chemokine Release Are Related to Local Neutrophil-Dominant Inflammation During Hyperacute Human Stroke. Transl Stroke Res 2021; 13:364-369. [PMID: 34455571 PMCID: PMC9046342 DOI: 10.1007/s12975-021-00938-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 07/15/2021] [Accepted: 08/04/2021] [Indexed: 12/14/2022]
Abstract
Experimental evidence has emerged that local platelet activation contributes to inflammation and infarct formation in acute ischemic stroke (AIS) which awaits confirmation in human studies. We conducted a prospective observational study on 258 consecutive patients undergoing mechanical thrombectomy (MT) due to large-vessel-occlusion stroke of the anterior circulation (08/2018–05/2020). Intraprocedural microcatheter aspiration of 1 ml of local (occlusion condition) and systemic arterial blood samples (self-control) was performed according to a prespecified protocol. The samples were analyzed for differential leukocyte counts, platelet counts, and plasma levels of the platelet-derived neutrophil-activating chemokine C-X-C-motif ligand (CXCL) 4 (PF-4), the neutrophil attractant CXCL7 (NAP-2), and myeloperoxidase (MPO). The clinical-biological relevance of these variables was corroborated by specific associations with molecular-cellular, structural-radiological, hemodynamic, and clinical-functional parameters. Seventy consecutive patients fulfilling all predefined criteria entered analysis. Mean local CXCL4 (+ 39%: 571 vs 410 ng/ml, P = .0095) and CXCL7 (+ 9%: 693 vs 636 ng/ml, P = .013) concentrations were higher compared with self-controls. Local platelet counts were lower (− 10%: 347,582 vs 383,284/µl, P = .0052), whereas neutrophil counts were elevated (+ 10%: 6022 vs 5485/µl, P = 0.0027). Correlation analyses revealed associations between local platelet and neutrophil counts (r = 0.27, P = .034), and between CXCL7 and MPO (r = 0.24, P = .048). Local CXCL4 was associated with the angiographic degree of reperfusion following recanalization (r = − 0.2523, P = .0479). Functional outcome at discharge correlated with local MPO concentrations (r = 0.3832, P = .0014) and platelet counts (r = 0.288, P = .0181). This study provides human evidence of cerebral platelet activation and platelet-neutrophil interactions during AIS and points to the relevance of per-ischemic thrombo-inflammatory mechanisms to impaired reperfusion and worse functional outcome following recanalization.
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Affiliation(s)
- Alexander M Kollikowski
- Department of Neuroradiology, University Hospital of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Mirko Pham
- Department of Neuroradiology, University Hospital of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany.
| | - Alexander G März
- Department of Neuroradiology, University Hospital of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Lena Papp
- Department of Neurology, University Hospital of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Bernhard Nieswandt
- Institute of Experimental Biomedicine, University Hospital and Rudolf Virchow Center, University of Würzburg, Würzburg, Germany
| | - Guido Stoll
- Department of Neurology, University Hospital of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Michael K Schuhmann
- Department of Neurology, University Hospital of Würzburg, Josef-Schneider-Straße 11, 97080, Würzburg, Germany.
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Strinitz M, Pham M, März AG, Feick J, Weidner F, Vogt ML, Essig F, Neugebauer H, Stoll G, Schuhmann MK, Kollikowski AM. Immune Cells Invade the Collateral Circulation during Human Stroke: Prospective Replication and Extension. Int J Mol Sci 2021; 22:9161. [PMID: 34502070 PMCID: PMC8430889 DOI: 10.3390/ijms22179161] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/17/2021] [Accepted: 08/24/2021] [Indexed: 01/09/2023] Open
Abstract
It remains unclear if principal components of the local cerebral stroke immune response can be reliably and reproducibly observed in patients with acute large-vessel-occlusion (LVO) stroke. We prospectively studied a large independent cohort of n = 318 consecutive LVO stroke patients undergoing mechanical thrombectomy during which cerebral blood samples from within the occluded anterior circulation and systemic control samples from the ipsilateral cervical internal carotid artery were obtained. An extensive protocol was applied to homogenize the patient cohort and to standardize the procedural steps of endovascular sample collection, sample processing, and laboratory analyses. N = 58 patients met all inclusion criteria. (1) Mean total leukocyte counts were significantly higher within the occluded ischemic cerebral vasculature (I) vs. intraindividual systemic controls (S): +9.6%, I: 8114/µL ± 529 vs. S: 7406/µL ± 468, p = 0.0125. (2) This increase was driven by neutrophils: +12.1%, I: 7197/µL ± 510 vs. S: 6420/µL ± 438, p = 0.0022. Leukocyte influx was associated with (3) reduced retrograde collateral flow (R2 = 0.09696, p = 0.0373) and (4) greater infarct extent (R2 = 0.08382, p = 0.032). Despite LVO, leukocytes invade the occluded territory via retrograde collateral pathways early during ischemia, likely compromising cerebral hemodynamics and tissue integrity. This inflammatory response can be reliably observed in human stroke by harvesting immune cells from the occluded cerebral vascular compartment.
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Affiliation(s)
- Marc Strinitz
- Department of Neuroradiology, University Hospital of Würzburg, 97080 Würzburg, Germany; (M.S.); (M.P.); (A.G.M.); (J.F.); (F.W.); (M.L.V.)
| | - Mirko Pham
- Department of Neuroradiology, University Hospital of Würzburg, 97080 Würzburg, Germany; (M.S.); (M.P.); (A.G.M.); (J.F.); (F.W.); (M.L.V.)
| | - Alexander G. März
- Department of Neuroradiology, University Hospital of Würzburg, 97080 Würzburg, Germany; (M.S.); (M.P.); (A.G.M.); (J.F.); (F.W.); (M.L.V.)
| | - Jörn Feick
- Department of Neuroradiology, University Hospital of Würzburg, 97080 Würzburg, Germany; (M.S.); (M.P.); (A.G.M.); (J.F.); (F.W.); (M.L.V.)
| | - Franziska Weidner
- Department of Neuroradiology, University Hospital of Würzburg, 97080 Würzburg, Germany; (M.S.); (M.P.); (A.G.M.); (J.F.); (F.W.); (M.L.V.)
| | - Marius L. Vogt
- Department of Neuroradiology, University Hospital of Würzburg, 97080 Würzburg, Germany; (M.S.); (M.P.); (A.G.M.); (J.F.); (F.W.); (M.L.V.)
| | - Fabian Essig
- Department of Neurology, University Hospital of Würzburg, 97080 Würzburg, Germany; (F.E.); (H.N.); (G.S.); (M.K.S.)
| | - Hermann Neugebauer
- Department of Neurology, University Hospital of Würzburg, 97080 Würzburg, Germany; (F.E.); (H.N.); (G.S.); (M.K.S.)
| | - Guido Stoll
- Department of Neurology, University Hospital of Würzburg, 97080 Würzburg, Germany; (F.E.); (H.N.); (G.S.); (M.K.S.)
| | - Michael K. Schuhmann
- Department of Neurology, University Hospital of Würzburg, 97080 Würzburg, Germany; (F.E.); (H.N.); (G.S.); (M.K.S.)
| | - Alexander M. Kollikowski
- Department of Neuroradiology, University Hospital of Würzburg, 97080 Würzburg, Germany; (M.S.); (M.P.); (A.G.M.); (J.F.); (F.W.); (M.L.V.)
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Radiologic Cerebral Reperfusion at 24 h Predicts Good Clinical Outcome. Transl Stroke Res 2018; 10:178-188. [PMID: 29949087 DOI: 10.1007/s12975-018-0637-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 05/08/2018] [Accepted: 06/04/2018] [Indexed: 12/11/2022]
Abstract
Cerebral reperfusion and arterial recanalization are radiological features of the effectiveness of thrombolysis in acute ischemic stroke (AIS) patients. Here, an investigation of the prognostic role of early recanalization/reperfusion on clinical outcome was performed. In AIS patients (n = 55), baseline computerized tomography (CT) was performed ≤ 8 h from symptom onset, whereas CT determination of reperfusion/recanalization was assessed at 24 h. Multiple linear and logistic regression models were used to correlate reperfusion/recanalization with radiological (i.e., hemorrhagic transformation, ischemic core, and penumbra volumes) and clinical outcomes (assessed as National Institutes of Health Stroke Scale [NIHSS] reduction ≥ 8 points or a NIHSS ≤ 1 at 24 h and as modified Rankin Scale [mRS] < 2 at 90 days). At 24 h, patients achieving radiological reperfusion were n = 24, while the non-reperfused were n = 31. Among non-reperfused, n = 15 patients were recanalized. Radiological reperfusion vs. recanalization was also confirmed by early increased levels of circulating inflammatory biomarkers (i.e., serum osteopontin). In multivariate analysis, ischemic lesion volume reduction was associated with both recanalization (β = 0.265; p = 0.014) and reperfusion (β = 0.461; p < 0.001), but only reperfusion was independently associated with final infarct volume (β = - 0.333; p = 0.007). Only radiological reperfusion at 24 h predicted good clinical response at day 1 (adjusted OR 16.054 [1.423-181.158]; p = 0.025) and 90-day good functional outcome (adjusted OR 25.801 [1.483-448.840]; p = 0.026). At ROC curve analysis the AUC of reperfusion was 0.777 (p < 0.001) for the good clinical response at 24 h and 0.792 (p < 0.001) for 90-day clinical outcome. Twenty-four-hour radiological reperfusion assessed by CT is associated with good clinical response on day 1 and good functional outcome on day 90 in patients with ischemic stroke.
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