Henrique L Lepine, Gabriel Semione, Fernanda M Llata, Bernardo Vieira Nogueira, Ana Clara Pinto Galvão Pereira, Davi Neves Coelho, Rafael Reis de Oliveira, Fabrício Ferreira Lipi, Henrique Garcia Maia, Anthony Hong, Luan Cavalcante Vilaça Lima, Savio Batista, Raphael Bertani, Bipin Chaurasia, João de Deus, Nirav Patel, Eberval Gadelha Figueiredo
{"title":"Treatment of ruptured intracranial aneurysms with parent artery flow diverter devices: A comprehensive systematic review and meta-analysis.","authors":"Henrique L Lepine, Gabriel Semione, Fernanda M Llata, Bernardo Vieira Nogueira, Ana Clara Pinto Galvão Pereira, Davi Neves Coelho, Rafael Reis de Oliveira, Fabrício Ferreira Lipi, Henrique Garcia Maia, Anthony Hong, Luan Cavalcante Vilaça Lima, Savio Batista, Raphael Bertani, Bipin Chaurasia, João de Deus, Nirav Patel, Eberval Gadelha Figueiredo","doi":"10.1177/17474930241307114","DOIUrl":"10.1177/17474930241307114","url":null,"abstract":"<p><strong>Background: </strong>Surgical clipping and endovascular coiling are well-established treatments for acutely ruptured intracranial aneurysms leading to acute subarachnoid hemorrhage (aSAH). However, these modalities have limitations, particularly in cases involving wide-necked, bifurcating, or dissecting aneurysms. Flow diverter (FD) devices, initially used for unruptured aneurysms, have emerged as an alternative treatment for ruptured aneurysms despite concerns about hemorrhagic complications.</p><p><strong>Aims: </strong>This study aimed to perform a comprehensive systematic review and meta-analysis to assess the efficacy and safety of parental artery FD devices in treating ruptured intracranial aneurysms.</p><p><strong>Methods: </strong>A systematic search was conducted in Medline, Embase, and Cochrane databases from inception to July 2024. The inclusion criteria focused on studies involving patients with acutely ruptured aneurysms treated with parental artery FDs, with or without adjunctive coiling. Studies were required to report clear, stratified data specific to the population of interest, and include more than five patients. Exclusion criteria included studies on non-ruptured aneurysms, intrasaccular flow diversion devices, or previously clipped aneurysms treated with FD. Data extraction was performed independently by two authors, and statistical analysis included single proportion analysis with 95% confidence intervals under a random-effects model, using R Studio. The primary outcome was the rate of aneurysm occlusion at follow-up.</p><p><strong>Summary of review: </strong>A total of 60 studies encompassing 1300 patients were included. The primary outcome analysis revealed a 90% (95% CI: 87-92%; <i>I</i><sup>2</sup> = 51%) rate of total occlusion at follow-up. Subgroup analysis indicated an occlusion rate of 89% for anterior circulation aneurysms and 96% for posterior circulation aneurysms. Intraoperative complications occurred in 6% of cases, while postoperative complications were observed in 13%. Rebleeding rates were low at 1%, with a 2% need for retreatment. Good functional outcomes (mRS ⩽ 2) were achieved in 82% of patients, and the overall mortality rate was 4%.</p><p><strong>Conclusions: </strong>FD devices demonstrated high rates of aneurysm occlusion and favorable functional outcomes in patients with acutely ruptured intracranial aneurysms. However, the low mortality rate and favorable outcomes observed may reflect selection bias toward patients with less severe SAH. Despite a modest complication rate, the overall safety and efficacy of FD devices suggest they may be a viable alternative to traditional treatments for specific aneurysm types. Further studies, including a broader spectrum of SAH severities, are warranted to optimize their use in clinical practice.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"17474930241307114"},"PeriodicalIF":6.3,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142768866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tae Jung Kim, Ji Sung Lee, Mi Sun Oh, Soo-Hyun Park, Kyung Bok Lee, Yu Kyung-Ho, Byung-Chul Lee, Byung-Woo Yoon, Sang-Bae Ko
{"title":"Risk of long-term post-stroke dementia using a linked dataset of patients with ischemic stroke without a history of dementia.","authors":"Tae Jung Kim, Ji Sung Lee, Mi Sun Oh, Soo-Hyun Park, Kyung Bok Lee, Yu Kyung-Ho, Byung-Chul Lee, Byung-Woo Yoon, Sang-Bae Ko","doi":"10.1177/17474930241310730","DOIUrl":"https://doi.org/10.1177/17474930241310730","url":null,"abstract":"<p><strong>Background: </strong>Post-stroke dementia (PSD) is a common and disabling sequela of stroke. However, the long-term incidence of PSD after an ischemic stroke and factors which predict its occurrence are incompletely understood. Linkage of large health datasets is being increasing used to study long term outcomes after disease. We used large scale linked data from Korea to determine the long-term incidence of PSD after ischemic stroke, and identify which factors predicted it occurrence.</p><p><strong>Methods: </strong>From January 2008 to December 2014, patients with ischemic stroke (n=37,553) without a history of dementia were included in a linked dataset comprising the claims database of the Health Insurance Review and Assessment Service and the Clinical Research Center for Stroke registry data. The outcome measure was PSD after ischemic stroke. Clinical factors evaluated included vascular risk factors, acute stroke management including reperfusion therapy, antithrombotics, and statins, stroke severity, and educational levels, were evaluated. Results: Among 37,553 patients with ischemic stroke without a history of dementia (mean age: 64.9 years; 61.9% males), 6,052 (16.1%) experienced PSD during a median follow-up period of 5 (interquartile range 3.4-7.0) years. The 10 year estimated cumulative incidence of dementia was 23.5%. Age [hazard ratio (HR) 1.82 per 10 years, 95% confidence interval (CI) 1.75-1.88] and a lower educational level [illiteracy or no education HR 1.65 (CI, 1.44-1.88), 0-3 years 1.53 (CI, 1.31-1.79), 4-6 years 1.60 (CI, 1.43-1.80), 7-9 years 1.32 (CI, 1.16-1.49), 10-12 years 1.17 (CI, 1.04-1.32)] were independently associated with an elevated risk of PSD. Male sex was associated with a significantly lower risk of PSD (HR 0.86, CI 0.79-0.92). Diabetes mellitus (HR 1.21, CI 1.14-1.29), a history of stroke before index stroke (HR 1.31, CI 1.21-1.41), and initial National Institutes of Health Stroke Scale (HR 1.03, CI 1.03-1.04) were independent risk factors for PSD. Regarding medications, the use of anticoagulation and antipsychotic medications after stroke appeared to be associated with increased PSD risk whereas statin therapy was associated with a reduced risk.</p><p><strong>Conclusions: </strong>PSD is common with a 5 and 10 year incidence in patients with ischemic stroke without a history of dementia of 16.1% and 23.5% respectively. Factors associated with PSD include age, female sex, lower educational level, diabetes mellitus, initial stroke severity, antipsychotics and anticoagulants. Further studies are required to determine whether reducing those risk factors which are treatable reduces the incidence of PSD.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"17474930241310730"},"PeriodicalIF":6.3,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142836626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hongji Zeng, Weijia Zhao, Jing Zeng, Rui Wang, Hong Luo, Changming Wen, Yanbo Liu, Dongjian Li, Xi Zeng
{"title":"How tube feeding modes influence anxiety in patients with dysphagia after ischemic stroke: A propensity score-matched, longitudinal study.","authors":"Hongji Zeng, Weijia Zhao, Jing Zeng, Rui Wang, Hong Luo, Changming Wen, Yanbo Liu, Dongjian Li, Xi Zeng","doi":"10.1177/17474930241306916","DOIUrl":"10.1177/17474930241306916","url":null,"abstract":"<p><strong>Background: </strong>Although tube feeding modes have been shown to influence psychological status, the specific mechanism of action and differences between intermittent oro-esophageal tube feeding (IOE) and nasogastric tube feeding (NGT) have yet to be uncovered. This study explored the effect of IOE versus NGT on anxiety in patients with dysphagia after ischemic stroke.</p><p><strong>Methods: </strong>This longitudinal observational study included patients with dysphagia after ischemic stroke who were treated in the Department of Rehabilitation Medicine between February 2022 and June 2024. Questionnaires, scales, and medical records were used to collect data regarding anxiety symptoms, basic information, treatment details, and self-perception on the 1st and 10th day of hospitalization. Propensity Score Matching (PSM) was used to balance potential confounding factors and analyze the association between IOE versus NGT and anxiety symptoms. Path analysis was conducted to explore the specific mechanisms of action.</p><p><strong>Results: </strong>Totally, 2459 participants (55.51% IOE users) were recruited. The IOE users had significantly lower moderate-to-severe anxiety rates than the NGT users (25.88% and 44.42%, <i>p</i> < 0.001). PSM analysis revealed an 8.56% difference in moderate-to-severe anxiety rates between IOE and NGT users. Self-perception of comfort, reflux, dietary schedule, social activity, self-esteem, and daily exercise showed significance as intermediate variables between tube feeding modes and anxiety symptoms in path analysis (all <i>p</i> < 0.001).</p><p><strong>Conclusions: </strong>Compared to NGT, IOE can alleviate anxiety symptoms in patients with dysphagia after ischemic stroke who were treated in the Department of Rehabilitation Medicine. The relationship between tube feeding modes and anxiety symptoms was mediated by the self-perception of comfort, reflux, dietary schedule, social activity, self-esteem, and daily exercise.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"17474930241306916"},"PeriodicalIF":6.3,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142754998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shiv Bhakta, Jason M Tarkin, Mohammed M Chowdhury, James Hf Rudd, Elizabeth A Warburton, Nicholas R Evans
{"title":"Carotid atherosclerotic plaque microcalcification is independently associated with recurrent neurovascular events: A pilot study.","authors":"Shiv Bhakta, Jason M Tarkin, Mohammed M Chowdhury, James Hf Rudd, Elizabeth A Warburton, Nicholas R Evans","doi":"10.1177/17474930241264734","DOIUrl":"10.1177/17474930241264734","url":null,"abstract":"<p><strong>Background: </strong>Microcalcification and macrocalcification are critical processes in atherosclerotic plaque progression, though how these processes relate to the risk of stroke recurrence in symptomatic carotid atherosclerosis is poorly understood.</p><p><strong>Methods: </strong>We performed a post hoc analysis of data from the ICARUSS (Imaging Carotid Atherosclerosis in the Recovery and Understanding of Stroke Severity) study, where individuals with acute ischemic stroke originating from ipsilateral carotid stenosis of ⩾ 50% underwent <sup>18</sup>F-sodium fluoride positron emission tomography (NaF-PET) to measure microcalcification. Tracer uptake was quantified using maximum tissue-to-background ratio (TBR<sub>max</sub>). Macrocalcification was measured on computed tomography (CT) using Agatston scoring. Patients were followed up for 6 months for recurrent ipsilateral neurovascular events.</p><p><strong>Results: </strong>Five (27.8%) of 18 individuals had a recurrent ischemic stroke or transient ischemic attack. Ipsilateral carotid plaque NaF uptake at baseline was higher in those with recurrent events compared to those without, and this association remained after adjustment for other vascular risk factors (adjusted odds ratio (aOR) = 1.24, 1.03-1.50). Macrocalcification score in the symptomatic artery was also significantly independently associated with ipsilateral recurrence, but the effect size was relatively smaller (aOR = 1.12, 1.06-1.17 for each 100 unit increase).</p><p><strong>Conclusions: </strong>Our findings indicate that microcalcification in symptomatic carotid plaques is independently associated with ipsilateral ischemic stroke recurrence. Furthermore, differences in the extent of active microcalcification in macrocalcified plaques may help explain variation in the relationship between calcified carotid plaques and stroke recurrence reported in the literature. Our pilot study indicates that evaluation of carotid artery microcalcification using NaF-PET may be a useful method for risk-stratification of carotid atherosclerosis, though our findings require confirmation in larger cohorts.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"1155-1161"},"PeriodicalIF":6.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11590389/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141419106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Christian Heitkamp, Alexander Heitkamp, Laurens Winkelmeier, Christian Thaler, Fabian Flottmann, Maximilian Schell, Helge C Kniep, Gabriel Broocks, Jeremy J Heit, Gregory W Albers, Götz Thomalla, Jens Fiehler, Tobias D Faizy
{"title":"Predictors of futile recanalization in ischemic stroke patients with low baseline NIHSS.","authors":"Christian Heitkamp, Alexander Heitkamp, Laurens Winkelmeier, Christian Thaler, Fabian Flottmann, Maximilian Schell, Helge C Kniep, Gabriel Broocks, Jeremy J Heit, Gregory W Albers, Götz Thomalla, Jens Fiehler, Tobias D Faizy","doi":"10.1177/17474930241264737","DOIUrl":"10.1177/17474930241264737","url":null,"abstract":"<p><strong>Background: </strong>There is yet no randomized controlled evidence that mechanical thrombectomy (MT) is superior to best medical treatment in patients with large vessel occlusion but minor stroke symptoms (National Institutes of Health Stroke Scale (NIHSS) <6). Prior studies of patients with admission NIHSS scores <b>≥</b>6 observed unfavorable functional outcomes despite successful recanalization, commonly termed as futile recanalization (FR), in up to 50% of cases.</p><p><strong>Aim: </strong>The aim of this study is to determine the prevalence of FR in patients with minor stroke and identify associated patient-specific risk factors.</p><p><strong>Methods: </strong>Our multicenter cohort study screened all patients prospectively enrolled in the German Stroke Registry Endovascular Treatment from 2015 to 2021 (n = 13,082). Included were patients who underwent MT for anterior circulation vessel occlusion with a baseline NIHSS score of <6 and successful recanalization (modified Thrombolysis in Cerebral Infarction (mTICI) scores of 2b-3). FR was defined by modified Rankin Scale (mRS) scores of 2-6 at 90 days. Multivariable logistic regression analysis was conducted to explore factors associated with FR.</p><p><strong>Results: </strong>A total of 674 patients met the inclusion criteria. FR occurred in 268 (40%) patients. Multivariable logistic regression analysis indicates that higher age (adjusted odds ratio (aOR) = 1.04 (95% confidence interval (CI) = 1.02-1.06)), pre-stroke mRS 1 (aOR = 2.70 (95% CI = 1.51-4.84)), transfer from admission hospital to comprehensive stroke center (aOR = 1.67 (95% CI = 1.08-2.56)), longer time from symptom onset/last seen well to admission (aOR = 1.02 (95% CI = 1.00-1.04)), MT under general anesthesia (aOR = 1.78 (95% CI = 1.13-2.82)), higher NIHSS after 24 h (aOR = 1.09 (95% CI = 1.05-1.14)), and symptomatic intracranial hemorrhage (aOR = 16.88 (95% CI = 2.03-140.14)) increased the odds of FR. There was no significant difference in primary outcome between achieving mTICI score of 2b or 3.</p><p><strong>Conclusions: </strong>Unfavorable functional outcomes despite successful vessel recanalization were frequent in acute ischemic stroke patients with low NIHSS scores on admission. We provide patient-specific risk factors that indicate an increased risk of FR and should be considered when treating patients with minor stroke.</p><p><strong>Data accessibility statement: </strong>The data that support the findings of our study are available on reasonable request after approval of the German Stroke Registry (GSR) steering committee.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"1102-1112"},"PeriodicalIF":6.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11590392/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141419108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vivek Yedavalli, Hamza Salim, Basel Musmar, Nimer Adeeb, Kareem El Naamani, Nils Henninger, Sri Hari Sundararajan, Anna Luisa Kühn, Jane Khalife, Sherief Ghozy, Luca Scarcia, Benjamin Yq Tan, Jeremy J Heit, Robert W Regenhardt, Nicole M Cancelliere, Joshua D Bernstock, Aymeric Rouchaud, Jens Fiehler, Sunil Sheth, Muhammed Amir Essibayi, Ajit S Puri, Christian Dyzmann, Marco Colasurdo, Xavier Barreau, Leonardo Renieri, João Pedro Filipe, Pablo Harker, Răzvan Alexandru Radu, Thomas R Marotta, Julian Spears, Takahiro Ota, Ashkan Mowla, Pascal Jabbour, Arundhati Biswas, Frédéric Clarençon, James E Siegler, Thanh N Nguyen, Ricardo Varela, Amanda Baker, David Altschul, Nestor R Gonzalez, Markus A Möhlenbruch, Vincent Costalat, Benjamin Gory, Christian Paul Stracke, Mohammad Ali Aziz-Sultan, Constantin Hecker, Hamza Shaikh, David S Liebeskind, Alessandro Pedicelli, Andrea M Alexandre, Illario Tancredi, Tobias D Faizy, Erwah Kalsoum, Boris Lubicz, Aman B Patel, Vitor Mendes Pereira, Adrien Guenego, Adam A Dmytriw
{"title":"Pretreatment predictors of very poor clinical outcomes in medium vessel occlusion stroke patients treated with mechanical thrombectomy.","authors":"Vivek Yedavalli, Hamza Salim, Basel Musmar, Nimer Adeeb, Kareem El Naamani, Nils Henninger, Sri Hari Sundararajan, Anna Luisa Kühn, Jane Khalife, Sherief Ghozy, Luca Scarcia, Benjamin Yq Tan, Jeremy J Heit, Robert W Regenhardt, Nicole M Cancelliere, Joshua D Bernstock, Aymeric Rouchaud, Jens Fiehler, Sunil Sheth, Muhammed Amir Essibayi, Ajit S Puri, Christian Dyzmann, Marco Colasurdo, Xavier Barreau, Leonardo Renieri, João Pedro Filipe, Pablo Harker, Răzvan Alexandru Radu, Thomas R Marotta, Julian Spears, Takahiro Ota, Ashkan Mowla, Pascal Jabbour, Arundhati Biswas, Frédéric Clarençon, James E Siegler, Thanh N Nguyen, Ricardo Varela, Amanda Baker, David Altschul, Nestor R Gonzalez, Markus A Möhlenbruch, Vincent Costalat, Benjamin Gory, Christian Paul Stracke, Mohammad Ali Aziz-Sultan, Constantin Hecker, Hamza Shaikh, David S Liebeskind, Alessandro Pedicelli, Andrea M Alexandre, Illario Tancredi, Tobias D Faizy, Erwah Kalsoum, Boris Lubicz, Aman B Patel, Vitor Mendes Pereira, Adrien Guenego, Adam A Dmytriw","doi":"10.1177/17474930241270524","DOIUrl":"10.1177/17474930241270524","url":null,"abstract":"<p><strong>Background: </strong>Acute ischemic stroke (AIS) from primary medium vessel occlusions (MeVO) is a prevalent condition associated with substantial morbidity and mortality. Despite the common use of mechanical thrombectomy (MT) in AIS, predictors of poor outcomes in MeVO remain poorly characterized.</p><p><strong>Methods: </strong>In this prospectively collected, retrospectively reviewed, multicenter, multinational study, data from the MAD-MT (Multicenter Analysis of primary Distal medium vessel occlusions: effect of Mechanical Thrombectomy) registry were analyzed. The study included 1568 patients from 37 academic centers across North America, Asia, and Europe, treated with MT, with or without intravenous tissue plasminogen activator (IVtPA), between September 2017 and July 2021.</p><p><strong>Results: </strong>Among the 1568 patients, 347 (22.2%) experienced very poor outcomes (modified Rankin score (mRS), 5-6). Key predictors of poor outcomes were advanced age (odds ratio (OR): 1.03; 95% confidence interval (CI): 1.02 to 1.04; p < 0.001), higher baseline National Institutes of Health Stroke Scale (NIHSS) scores (OR: 1.07; 95% CI: 1.05 to 1.10; p < 0.001), pre-operative glucose levels (OR: 1.01; 95% CI: 1.00 to 1.02; p < 0.001), and a baseline mRS of 4 (OR: 2.69; 95% CI: 1.25 to 5.82; p = 0.011). The multivariable model demonstrated good predictive accuracy with an area under the receiver-operating characteristic (ROC) curve of 0.76.</p><p><strong>Conclusions: </strong>This study demonstrates that advanced age, higher NIHSS scores, elevated pre-stroke mRS, and pre-operative glucose levels significantly predict very poor outcomes in AIS-MeVO patients who received MT. These findings highlight the importance of a comprehensive risk assessment in primary MeVO patients for personalized treatment strategies. However, they also suggest a need for cautious patient selection for endovascular thrombectomy. Further prospective studies are needed to confirm these findings and explore targeted therapeutic interventions.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"1123-1133"},"PeriodicalIF":6.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141792484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Martha Marko, Dominika Miksova, Melanie Haidegger, Jakob Schneider, Johanna Ebner, Marie B Lang, Wolfgang Serles, Stefan Kiechl, Michael Knoflach, Marek Sykora, Julia Ferrari, Thomas Gattringer, Stefan Greisenegger
{"title":"Trends in sex differences of functional outcome after intravenous thrombolysis in patients with acute ischemic stroke.","authors":"Martha Marko, Dominika Miksova, Melanie Haidegger, Jakob Schneider, Johanna Ebner, Marie B Lang, Wolfgang Serles, Stefan Kiechl, Michael Knoflach, Marek Sykora, Julia Ferrari, Thomas Gattringer, Stefan Greisenegger","doi":"10.1177/17474930241273696","DOIUrl":"10.1177/17474930241273696","url":null,"abstract":"<p><strong>Background: </strong>Intravenous thrombolysis (IVT) is an approved treatment for patients with acute ischemic stroke irrespective of sex. However, the current literature on sex differences in functional outcomes following IVT is inconsistent. So far, a number of studies-including a previous analysis based on data from the Austrian Stroke Unit Registry (ASUR)-detected significant sex-related differences in functional outcome, while others did not report any differences between women and men. In addition, currently there is a lack of data on how sex-related differences evolve over time.</p><p><strong>Aims: </strong>To assess time trends of sex-related differences in functional outcome of ischemic stroke in a large nationwide cohort and to investigate associations of patient characteristics with functional outcome post thrombolysis in women and men. These data will offer crucial insights into whether sex differences in functional outcome persist despite the large advances in acute stroke treatment.</p><p><strong>Methods: </strong>We analyzed retrospective data of consecutive patients with acute ischemic stroke treated with IVT in 39 stroke centers contributing to the ASUR between 2006 and 2021. We included patients over 18 years of age diagnosed with an acute ischemic stroke who received IVT and with available data on functional outcome at 3 months after treatment. The primary outcome parameter was favorable functional outcome (modified Rankin Scale (mRS) of 0-2) at 3 months. Multivariable logistic regression analysis was performed in the overall population and stratified by sex to assess associations of baseline characteristics with functional outcome.</p><p><strong>Results: </strong>Among 11,840 patients receiving IVT, 2489 of 5503 (45.4%) women achieved favorable functional outcome compared to 3787 of 6337 (59.8%) men. Overall, female sex was a statistically significant predictor of functional outcome after thrombolysis, but additional predictors of outcome differed between women and men. Female sex was independently associated with decreased chances of achieving functional independency (adjusted odds ratio (adjOR) = 0.87, 95% confidence interval (CI) = 0.79-0.96, p = 0.005) and we detected a statistically significant improvement in functional outcome over time only in men (year of treatment, adjOR (per year) = 1.04, 95% CI = 1.02-1.06, p < 0.001) but not in women (adjOR (per year) = 1.01, 95% CI = 0.99-1.03, p = 0.280). Hypertension, smoking, and longer or unknown onset-to-door times were statistically significant predictors of outcome only in male patients, whereas atrial fibrillation, prior myocardial infarction, and longer door-to-needle times were significantly associated with outcome only in women.</p><p><strong>Conclusions: </strong>Sex differences in functional outcome after IVT for acute ischemic stroke are persisting over the past years. Results of our analysis can increase awareness and a resulting focus on sex differences i","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"1147-1154"},"PeriodicalIF":6.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141859716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"RhPro-UK in acute ischemic stroke within 4.5 h of stroke onset trial-2 (the PROST-2 study): Rationale and design of a multicenter, prospective, randomized, open-label, blinded-endpoint, controlled phase 3 non-inferiority trial.","authors":"Shuya Li, Hong-Qiu Gu, Baoyu Feng, Qiang Dong, Dongsheng Fan, Yun Xu, Suiqiang Zhu, Yongjun Wang","doi":"10.1177/17474930241265654","DOIUrl":"10.1177/17474930241265654","url":null,"abstract":"<p><strong>Background: </strong>Recombinant prourokinase (rhPro-UK) is a specific plasmin activator, which has been approved to treat acute myocardial infarction in China.</p><p><strong>Aim: </strong>This phase 3 trial aimed to further demonstrate the efficacy and safety of rhPro-UK in patients with acute ischemic stroke (AIS) within 4.5 h of symptom onset.</p><p><strong>Methods and design: </strong>RhPro-UK in AIS within 4.5 h of stroke onset trial-2 (PROST-2) is a multicenter, prospective randomized, open-label, blinded end-point, non-inferiority, recombinant tissue plasmin activator (rt-PA)-controlled, phase 3 trial. A total of 1552 patients who are eligible for intravenous thrombolytic therapy from 72 clinical sites will be randomly assigned to receive either rhPro-UK 35 mg (15 mg bolus + 20 mg infusion/30 min) or rt-PA 0.9 mg/kg (10% bolus + 90% infusion/1 h).</p><p><strong>Study outcomes: </strong>The primary outcome is the proportion of patients with a modified Rankin Scale (mRS) score of 0-1 at 90 days. Secondary efficacy outcomes include the proportion of patients with mRS score of 0-2, the distribution of mRS, self-care ability in daily life on the Barthel Index at 90 days, the proportion of subjects with ⩾ 4 points decrease in National Institutes of Health Stroke Scale (NIHSS) score or NIHSS score ⩽ 1 from baseline at 24 h and 7 days after treatment. Safety outcomes are symptomatic intracranial hemorrhage (sICH) and major systematic bleeding within 7 days as well as death from all causes within 90 days.</p><p><strong>Discussion: </strong>The results from the PROST-2 trial will comprehensively elucidate the efficacy and safety profile of rhPro-UK as a potential alternative agent for stroke thrombolysis.</p><p><strong>Clinical trial registration: </strong>URL: http://www.clinicaltrials.gov. Unique identifier: NCT05700591.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"1182-1187"},"PeriodicalIF":6.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141440415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Robrecht Rmm Knapen, Susanne Gh Olthuis, Adriaan Cgm van Es, Bart J Emmer, Wouter J Schonewille, Christiaan van der Leij, Wim H van Zwam, Robert J van Oostenbrugge
{"title":"Association of first-line thrombectomy technique and outcome in late-window large vessel occlusion strokes: A post hoc analysis of the MR CLEAN-LATE trial.","authors":"Robrecht Rmm Knapen, Susanne Gh Olthuis, Adriaan Cgm van Es, Bart J Emmer, Wouter J Schonewille, Christiaan van der Leij, Wim H van Zwam, Robert J van Oostenbrugge","doi":"10.1177/17474930241268303","DOIUrl":"10.1177/17474930241268303","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to compare direct aspiration, stent retriever, and the combined thrombectomy technique on clinical, safety, and technical outcomes in late-window stroke patients included in the MR CLEAN-LATE trial.</p><p><strong>Methods: </strong>This post hoc analysis of the MR CLEAN-LATE trial included patients treated with direct aspiration, stent retriever, or combined thrombectomy technique as first-line approach. Primary outcome was the modified Rankin Scale (mRS) score at 90 days follow-up, and compared between the three groups with ordinal logistic regression analysis. Secondary outcomes included mortality at 90 days, total technique switches, procedure time, recanalization rate measured with the expanded thrombolysis in cerebral infarction (eTICI) score, and symptomatic intracranial hemorrhage (sICH). Predefined variables were used for adjustments.</p><p><strong>Results: </strong>In the MR CLEAN-LATE trial, 258 patients underwent endovascular treatment and 232 were included in our analyses. The mRS at 90 days did not differ (stent retriever vs. direct aspiration: adjusted common odds ratio (acOR) = 1.35, 95% confidence interval (CI) = 0.73 to 2.50; stent retriever vs. combined: acOR = 1.13, 95% CI = 0.64 to 2.00; direct aspiration vs. combined: acOR = 1.19, 95% CI = 0.64 to 2.21). Direct aspiration thrombectomy was accompanied with more switches to another technique compared to the stent retriever (adjusted odds ratio (aOR) = 6.50, 95% CI = 2.52 to 16.8) or combined group (aOR = 4.67, 95% CI = 1.80 to 12.1) and with higher sICH rates compared to the combined technique (13% vs. 2.5%; aOR = 8.19, 95% CI = 1.49 to 45.1). Mortality, procedure time, and eTICI did not differ.</p><p><strong>Conclusion: </strong>Stent retriever, direct aspiration, or the combined thrombectomy technique as first-line approach showed no differences in clinical outcome in late-window stroke patients. Direct aspiration was accompanied with higher sICH rates and more switcher to another technique compared to the combined group.</p>","PeriodicalId":14442,"journal":{"name":"International Journal of Stroke","volume":" ","pages":"1113-1122"},"PeriodicalIF":6.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11590395/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141792409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}