ERRATUM: Corrected Figure Legend: Stroke Genetics: A Review and Update.
Journal of Stroke.2015;17(1):91-91. doi:10.5853/jos.2015.17.1.91
Figure 1 should be corrected.
Journal of Stroke
1999 to Present ISSN: 2287-6391
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Journal of Stroke.2015;17(1):90-90. doi:10.5853/jos.2015.17.1.90
No abstract available.
Antihypertensive Agents* ; Cerebral Hemorrhage* ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors* ; Vascular Stiffness*
Antihypertensive Agents* ; Cerebral Hemorrhage* ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors* ; Vascular Stiffness*
Journal of Stroke.2015;17(1):89-89. doi:10.5853/jos.2015.17.1.89
No abstract available.
Antihypertensive Agents* ; Cerebral Hemorrhage* ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors* ; Vascular Stiffness*
Antihypertensive Agents* ; Cerebral Hemorrhage* ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors* ; Vascular Stiffness*
In vivo Image of Cerebral Amyloid Angiopathy in an Alzheimer's Disease Mouse Model.
Journal of Stroke.2015;17(1):87-88. doi:10.5853/jos.2015.17.1.87
Acute Stroke with Concomitant Acute Myocardial Infarction: Will You Thrombolyse?.
Journal of Stroke.2015;17(1):84-86. doi:10.5853/jos.2015.17.1.84
Journal of Stroke.2015;17(1):76-83. doi:10.5853/jos.2015.17.1.76
BACKGROUND AND PURPOSE: Rapid recanalization might improve clinical outcomes after intraarterial thrombolysis (IAT) for acute ischemic stroke patients with collateral circulation. We determined whether rapid recanalization and collateral circulation affect clinical outcomes after IAT. METHODS: We retrospectively evaluated the clinical and radiological data of 134 consecutive patients who underwent IAT for intracranial artery occlusion. The interval from symptom onset to recanalization after IAT (onset-to-recanalization time) as an estimate of the probability of good clinical outcome (modified Rankin scale 0-2) was calculated in patients with collateral circulation in the ischemic hemisphere, which was rated poor (0/1 American Society of Interventional and Therapeutic Neuroradiology criteria) or good (2-4). Changes in National Institute of Health Stroke Scale (NHISS) score before and after IAT and modified Rankins scale scores 3 months after discharge were compared with respect to onset-to-recanalization time. RESULTS: In patients with good collateral circulation, the estimated onset-to-recanalization time for a 0.5 probability of a good clinical outcome was 347 minutes; with poor collateral circulation, it was 172 minutes for a 0.2 probability of good clinical outcome. Outcome analyses according to onset-to-recanalization time showed patients recanalized <6 hours had lower NHISS scores (<4.5, 4.5-6, >6 hours of onset-to-recanalization time, and non-recanalization: 5.1, 6.9, 11.9, and 19.8, respectively) at discharge and higher percentages of good clinical outcome (69%, 66.7%, 21.9%, and 0%, respectively) 3 months after IAT. CONCLUSIONS: The time window to expect a high probability of a good clinical outcome after IAT is highly dependent on the collateral circulation.
Arteries ; Collateral Circulation* ; Humans ; Retrospective Studies ; Stroke
Arteries ; Collateral Circulation* ; Humans ; Retrospective Studies ; Stroke
Journal of Stroke.2015;17(1):67-75. doi:10.5853/jos.2015.17.1.67
BACKGROUND AND PURPOSE: To study the significance of intracranial artery calcification as a prognostic marker for acute ischemic stroke patients undergoing revascularization treatment after middle cerebral artery (MCA) trunk occlusion. METHODS: Patients with acute MCA trunk occlusion, who underwent intravenous and/or intra-arterial revascularization treatment, were enrolled. Intracranial artery calcification scores were calculated by counting calcified intracranial arteries among major seven arteries on computed tomographic angiography. Patients were divided into high (HCB; score > or =3) or low calcification burden (LCB; score <3) groups. Demographic, imaging, and outcome data were compared, and whether HCB is a prognostic factor was evaluated. Grave prognosis was defined as modified Rankin Scale 5-6 for this study. RESULTS: Of 80 enrolled patients, the HCB group comprised 15 patients, who were older, and more commonly had diabetes than patients in the LCB group. Initial National Institutes of Health Stroke Scale (NIHSS) scores did not differ (HCB 13.3+/-2.7 vs. LCB 14.6+/-3.8) between groups. The final good reperfusion after revascularization treatment (thrombolysis in cerebral infarction score 2b-3, HCB 66.7% vs. LCB 69.2%) was similarly achieved in both groups. However, the HCB group had significantly higher NIHSS scores at discharge (16.0+/-12.3 vs. 7.9+/-8.3), and more frequent grave outcome at 3 months (57.1% vs. 22.0%) than the LCB group. HCB was proven as an independent predictor for grave outcome at 3 months when several confounding factors were adjusted (odds ratio 4.135, 95% confidence interval, 1.045-16.359, P=0.043). CONCLUSIONS: Intracranial HCB was associated with grave prognosis in patients who have undergone revascularization for acute MCA trunk occlusion.
Angiography ; Arteries ; Cerebral Infarction ; Hexachlorobenzene ; Humans ; Infarction, Middle Cerebral Artery ; Intracranial Embolism ; Intracranial Thrombosis ; Middle Cerebral Artery ; National Institutes of Health (U.S.) ; Prognosis ; Reperfusion ; Risk Factors ; Stroke ; Thrombolytic Therapy ; Vascular Calcification
Angiography ; Arteries ; Cerebral Infarction ; Hexachlorobenzene ; Humans ; Infarction, Middle Cerebral Artery ; Intracranial Embolism ; Intracranial Thrombosis ; Middle Cerebral Artery ; National Institutes of Health (U.S.) ; Prognosis ; Reperfusion ; Risk Factors ; Stroke ; Thrombolytic Therapy ; Vascular Calcification
White Matter Hyperintensity in Ischemic Stroke Patients: It May Regress Over Time.
Journal of Stroke.2015;17(1):60-66. doi:10.5853/jos.2015.17.1.60
BACKGROUND AND PURPOSE: White matter hyperintensities (WMH) are frequently observed on MRI in ischemic stroke patients as well as in normal elderly individuals. Besides the progression of WMH, the regression of WMH has been rarely reported. Thus, we aimed to investigate how WMH change over time in patients with ischemic stroke, particularly focusing on regression. METHODS: We enrolled ischemic stroke patients who underwent brain MRI more than twice with at least a 6 month time-interval. Based on T2-weighted or FLAIR MRI, WMH were visually assessed, followed by semiautomatic volume measurement. Progression or regression of WMH change was defined when 0.25 cc increase or decrease was observed and it was also combined with visible change. A statistical analysis was performed on the pattern of WMH change over time and factors associated with change. RESULTS: A total of 100 patients were enrolled. Their age (mean+/-SD) was 67.5+/-11.8 years and 63 were male. The imaging time-interval (mean) was 28.0 months. WMH progressed in 27, regressed in 9 and progressed in distinctive regions and regressed in others in 5 patients. A multiple logistic regression model showed that age (odds ratio[OR] 2.51, 90% confidence interval[CI] 1.056-5.958), male gender (OR 2.957, 95% CI 1.051-9.037), large vessel disease (OR 1.955, 95% CI 1.171-3.366), and renal dysfunction (OR 2.900, 90% CI 1.045-8.046) were associated with progression. Regarding regression, no significant factor was found in the multivariate analysis. CONCLUSIONS: In 21.5% of ischemic stroke patients, regression of WMH was observed. WMH progression was observed in a third of ischemic stroke patients.
Aged ; Brain ; Humans ; Leukoaraiosis ; Logistic Models ; Magnetic Resonance Imaging ; Male ; Multivariate Analysis ; Stroke*
Aged ; Brain ; Humans ; Leukoaraiosis ; Logistic Models ; Magnetic Resonance Imaging ; Male ; Multivariate Analysis ; Stroke*
Journal of Stroke.2015;17(1):54-59. doi:10.5853/jos.2015.17.1.54
BACKGROUND AND PURPOSE: An elevated intracellular calcium level is known to be a major initiator and activator of ischemic cell death pathway; however, in recent studies, elevated serum calcium levels have been associated with better clinical outcomes and smaller cerebral infarct volumes. The pathophysiological role played by calcium in ischemic stroke is largely unknown. METHODS: Acute stroke patients from a prospective stroke registry, consecutively admitted during October 2002-September 2008, were included. Significant associations between the modified Rankin scale distribution at discharge and serum calcium or albumin-corrected calcium were identified using ordinal logistic regression analysis. Cox proportional hazard models were used for survival analysis. RESULTS: Mean serum calcium and albumin-corrected calcium levels of the 1,915 participants on admission were 8.97+/-0.58 mg/dL and 9.07+/-0.49 mg/dL, respectively. Second [adjusted odds ratio 1.32 (95% confidence interval 1.07-1.61)] and third [1.24 (1.01-1.53)] tertiles of serum calcium level and the third [1.24 (1.01-1.53)] tertile of albumin-corrected calcium level were found to be independent risk factors for a poor discharge outcome. Significant relationships were observed with serum calcium [1.19 (1.03-1.38)] and albumin-corrected calcium [1.21(1.01-1.44)] as linear variables. However, only albumin-corrected calcium was associated with long-term mortality, third tertile [adjusted hazard ratio 1.40 (1.07-1.83)], and increase by 1 mg/dL [1.46 (1.16-1.84)]. CONCLUSIONS: Elevated albumin-corrected serum calcium levels are associated with a poorer short-term outcome and greater risk of long-term mortality after acute ischemic stroke.
Calcium* ; Cell Death ; Cerebral Infarction ; Humans ; Logistic Models ; Mortality* ; Odds Ratio ; Patient Outcome Assessment ; Proportional Hazards Models ; Prospective Studies ; Risk Factors ; Stroke*
Calcium* ; Cell Death ; Cerebral Infarction ; Humans ; Logistic Models ; Mortality* ; Odds Ratio ; Patient Outcome Assessment ; Proportional Hazards Models ; Prospective Studies ; Risk Factors ; Stroke*
Journal of Stroke.2015;17(1):38-53. doi:10.5853/jos.2015.17.1.38
Characteristics of stroke cases, acute stroke care, and outcomes after stroke differ according to geographical and cultural background. To provide epidemiological and clinical data on stroke care in South Korea, we analyzed a prospective multicenter clinical stroke registry, the Clinical Research Center for Stroke-Fifth Division (CRCS-5). Patients were 58% male with a mean age of 67.2+/-12.9 years and median National Institutes of Health Stroke Scale score of 3 [1-8] points. Over the 6 years of operation, temporal trends were documented including increasing utilization of recanalization treatment with shorter onset-to-arrival delay and decremental length of stay. Acute recanalization treatment was performed in 12.7% of cases with endovascular treatment utilized in 36%, but the proportion of endovascular recanalization varied across centers. Door-to-IV alteplase delay had a median of 45 [33-68] min. The rate of symptomatic hemorrhagic transformation (HT) was 7%, and that of any HT was 27% among recanalization-treated cases. Early neurological deterioration occurred in 15% of cases and were associated with longer length of stay and poorer 3-month outcomes. The proportion of mRS scores of 0-1 was 42% on discharge, 50% at 3 months, and 55% at 1 year after the index stroke. Recurrent stroke up to 1 year occurred in 4.5% of patients; the rate was higher among older individuals and those with neurologically severe deficits. The above findings will be compared with other Asian and US registry data in this article.
Asian Continental Ancestry Group ; Humans ; Korea ; Length of Stay ; Male ; National Institutes of Health (U.S.) ; Stroke ; Tissue Plasminogen Activator
Asian Continental Ancestry Group ; Humans ; Korea ; Length of Stay ; Male ; National Institutes of Health (U.S.) ; Stroke ; Tissue Plasminogen Activator
Country
Republic of Korea
Publisher
Korean Stroke Society
ElectronicLinks
http://koreamed.org/JournalVolume.php?id=1183Editor-in-chief
Jong S. Kim
Abbreviation
J Stroke
Vernacular Journal Title
대한뇌졸중학회지
ISSN
2287-6391
EISSN
2287-6405
Year Approved
2011
Current Indexing Status
Currently Indexed
Start Year
1999
Description
The Journal of Stroke (JoS) is an official journal of the Korean Stroke Society and the abbreviated title is J Stroke. It had been launched in 1999 for Korean version and was renewed in 2013 for international version. It is published 3 times a year on the last day of January, May, and September. JOS will provide stroke clinicians and researchers with peer-reviewed articles on clinical and basic investigation of cerebral circulation and associated diseases to enhance patient management, education, clinical or experimental research, and professionalism. The journal will consider submissions in areas including, but not limited to, the following: pathophysiology, risk factors, symptomatology, imaging, treatment, and rehabilitation of stroke. We have a particular interest in strokes in Asian populations as they have features distinct from strokes in the other part of the world. Clinical researches on intracranial atherosclerosis, small vessel diseases, or hemorrhagic strokes, and relevant basic researches are welcome, as are issues in epidemiology, public education, and clinical practice guidelines in Asian countries.
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