Subjects -> MEDICAL SCIENCES (Total: 8679 journals)
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CARDIOVASCULAR DISEASES (338 journals)                  1 2 | Last

Showing 1 - 200 of 338 Journals sorted alphabetically
Acta Angiologica     Open Access   (Followers: 5)
Acta Cardiologica     Hybrid Journal   (Followers: 2)
Acute Cardiac Care     Hybrid Journal   (Followers: 8)
Adipositas - Ursachen, Folgeerkrankungen, Therapie     Hybrid Journal  
AJP Heart and Circulatory Physiology     Hybrid Journal   (Followers: 12)
Aktuelle Kardiologie     Hybrid Journal   (Followers: 1)
American Heart Journal     Hybrid Journal   (Followers: 60)
American Journal of Cardiology     Hybrid Journal   (Followers: 68)
American Journal of Cardiovascular Drugs     Hybrid Journal   (Followers: 18)
American Journal of Hypertension     Hybrid Journal   (Followers: 29)
Anales de Cirugia Vascular     Full-text available via subscription   (Followers: 1)
Anatolian Journal of Cardiology     Open Access   (Followers: 6)
Angiología     Full-text available via subscription  
Angiologia e Cirurgia Vascular     Open Access   (Followers: 1)
Angiology     Hybrid Journal   (Followers: 3)
Annales de Cardiologie et d'Angéiologie     Full-text available via subscription   (Followers: 1)
Annals of Circulation     Open Access   (Followers: 2)
Annals of Noninvasive Electrocardiology     Hybrid Journal   (Followers: 1)
Annals of Pediatric Cardiology     Open Access   (Followers: 12)
AORTA     Open Access  
Archives of Cardiovascular Diseases     Full-text available via subscription   (Followers: 6)
Archives of Cardiovascular Diseases Supplements     Full-text available via subscription   (Followers: 4)
Archives of Cardiovascular Imaging     Open Access   (Followers: 2)
Archivos de cardiología de México     Open Access   (Followers: 1)
Argentine Journal of Cardiology (English edition)     Open Access   (Followers: 2)
Arquivos Brasileiros de Cardiologia     Open Access   (Followers: 2)
Arrhythmia & Electrophysiology Review     Open Access   (Followers: 1)
Arteriosclerosis, Thrombosis and Vascular Biology     Full-text available via subscription   (Followers: 33)
Artery Research     Hybrid Journal   (Followers: 5)
ARYA Atherosclerosis     Open Access  
ASAIO Journal     Hybrid Journal   (Followers: 4)
ASEAN Heart Journal     Open Access   (Followers: 3)
Asian Cardiovascular and Thoracic Annals     Hybrid Journal   (Followers: 2)
Aswan Heart Centre Science & Practice Services     Open Access   (Followers: 1)
Atherosclerosis : X     Open Access  
Bangladesh Heart Journal     Open Access   (Followers: 3)
Basic Research in Cardiology     Hybrid Journal   (Followers: 9)
BMC Cardiovascular Disorders     Open Access   (Followers: 22)
Brain Circulation     Open Access   (Followers: 1)
British Journal of Cardiology     Full-text available via subscription   (Followers: 18)
Canadian Journal of Cardiology     Hybrid Journal   (Followers: 18)
Cardiac Cath Lab Director     Full-text available via subscription  
Cardiac Electrophysiology Review     Hybrid Journal   (Followers: 2)
Cardiac Failure Review     Open Access   (Followers: 2)
Cardiocore     Full-text available via subscription   (Followers: 1)
Cardiogenetics     Open Access   (Followers: 3)
Cardiology     Full-text available via subscription   (Followers: 20)
Cardiology and Angiology: An International Journal     Open Access   (Followers: 1)
Cardiology and Therapy     Open Access   (Followers: 11)
Cardiology Clinics     Full-text available via subscription   (Followers: 14)
Cardiology in Review     Hybrid Journal   (Followers: 9)
Cardiology in the Young     Hybrid Journal   (Followers: 35)
Cardiology Journal     Open Access   (Followers: 6)
Cardiology Plus     Open Access   (Followers: 1)
Cardiology Research     Open Access   (Followers: 15)
Cardiology Research and Practice     Open Access   (Followers: 11)
Cardiopulmonary Physical Therapy Journal     Hybrid Journal   (Followers: 9)
Cardiorenal Medicine     Full-text available via subscription   (Followers: 1)
Cardiothoracic Surgeon     Open Access   (Followers: 1)
CardioVasc     Full-text available via subscription   (Followers: 1)
Cardiovascular & Haematological Disorders - Drug Targets     Hybrid Journal   (Followers: 1)
Cardiovascular & Hematological Agents in Medicinal Chemistry     Hybrid Journal   (Followers: 2)
CardioVascular and Interventional Radiology     Hybrid Journal   (Followers: 15)
Cardiovascular and Thoracic Open     Open Access  
Cardiovascular Diabetology     Open Access   (Followers: 10)
Cardiovascular Drugs and Therapy     Hybrid Journal   (Followers: 14)
Cardiovascular Endocrinology & Metabolism     Hybrid Journal   (Followers: 1)
Cardiovascular Engineering     Hybrid Journal   (Followers: 1)
Cardiovascular Engineering and Technology     Hybrid Journal   (Followers: 1)
Cardiovascular Intervention and Therapeutics     Hybrid Journal   (Followers: 5)
Cardiovascular Journal     Open Access   (Followers: 6)
Cardiovascular Journal of Africa     Full-text available via subscription   (Followers: 5)
Cardiovascular Journal of South Africa     Full-text available via subscription   (Followers: 2)
Cardiovascular Medicine in General Practice     Full-text available via subscription   (Followers: 7)
Cardiovascular Pathology     Hybrid Journal   (Followers: 4)
Cardiovascular Regenerative Medicine     Open Access  
Cardiovascular Research     Hybrid Journal   (Followers: 16)
Cardiovascular Revascularization Medicine     Hybrid Journal   (Followers: 1)
Cardiovascular System     Open Access  
Cardiovascular Therapeutics     Open Access   (Followers: 1)
Cardiovascular Toxicology     Hybrid Journal   (Followers: 6)
Cardiovascular Ultrasound     Open Access   (Followers: 5)
Case Reports in Cardiology     Open Access   (Followers: 7)
Catheterization and Cardiovascular Interventions     Hybrid Journal   (Followers: 3)
Cerebrovascular Diseases     Full-text available via subscription   (Followers: 3)
Cerebrovascular Diseases Extra     Open Access  
Chest     Full-text available via subscription   (Followers: 104)
Choroby Serca i Naczyń     Open Access   (Followers: 1)
Circulation     Hybrid Journal   (Followers: 270)
Circulation : Cardiovascular Imaging     Hybrid Journal   (Followers: 15)
Circulation : Cardiovascular Interventions     Hybrid Journal   (Followers: 19)
Circulation : Cardiovascular Quality and Outcomes     Hybrid Journal   (Followers: 12)
Circulation : Genomic and Precision Medicine     Hybrid Journal   (Followers: 17)
Circulation : Heart Failure     Hybrid Journal   (Followers: 28)
Circulation Research     Hybrid Journal   (Followers: 36)
Cirugía Cardiovascular     Open Access  
Clínica e Investigación en Arteriosclerosis     Full-text available via subscription  
Clínica e Investigación en arteriosclerosis (English Edition)     Hybrid Journal  
Clinical and Experimental Hypertension     Hybrid Journal   (Followers: 3)
Clinical Cardiology     Hybrid Journal   (Followers: 10)
Clinical Hypertension     Open Access   (Followers: 5)
Clinical Medicine Insights : Cardiology     Open Access   (Followers: 6)
Clinical Research in Cardiology     Hybrid Journal   (Followers: 5)
Clinical Research in Cardiology Supplements     Hybrid Journal  
Clinical Trials and Regulatory Science in Cardiology     Open Access   (Followers: 4)
Congenital Heart Disease     Hybrid Journal   (Followers: 6)
Congestive Heart Failure     Hybrid Journal   (Followers: 4)
Cor et Vasa     Full-text available via subscription   (Followers: 1)
Coronary Artery Disease     Hybrid Journal   (Followers: 3)
CorSalud     Open Access  
Critical Pathways in Cardiology     Hybrid Journal   (Followers: 5)
Current Cardiology Reports     Hybrid Journal   (Followers: 6)
Current Cardiology Reviews     Hybrid Journal   (Followers: 3)
Current Cardiovascular Imaging Reports     Hybrid Journal   (Followers: 1)
Current Cardiovascular Risk Reports     Hybrid Journal  
Current Heart Failure Reports     Hybrid Journal   (Followers: 5)
Current Hypertension Reports     Hybrid Journal   (Followers: 6)
Current Hypertension Reviews     Hybrid Journal   (Followers: 6)
Current Opinion in Cardiology     Hybrid Journal   (Followers: 13)
Current Problems in Cardiology     Hybrid Journal   (Followers: 3)
Current Research : Cardiology     Full-text available via subscription   (Followers: 1)
Current Treatment Options in Cardiovascular Medicine     Hybrid Journal   (Followers: 1)
Current Vascular Pharmacology     Hybrid Journal   (Followers: 5)
CVIR Endovascular     Open Access   (Followers: 1)
Der Kardiologe     Hybrid Journal   (Followers: 1)
Echo Research and Practice     Open Access   (Followers: 2)
Echocardiography     Hybrid Journal   (Followers: 4)
Egyptian Heart Journal     Open Access   (Followers: 2)
Egyptian Journal of Cardiothoracic Anesthesia     Open Access  
ESC Heart Failure     Open Access   (Followers: 4)
European Cardiology Review     Open Access   (Followers: 1)
European Heart Journal     Hybrid Journal   (Followers: 68)
European Heart Journal - Cardiovascular Imaging     Hybrid Journal   (Followers: 10)
European Heart Journal - Cardiovascular Pharmacotherapy     Full-text available via subscription   (Followers: 2)
European Heart Journal - Quality of Care and Clinical Outcomes     Hybrid Journal  
European Heart Journal : Acute Cardiovascular Care     Hybrid Journal   (Followers: 1)
European Heart Journal : Case Reports     Open Access   (Followers: 1)
European Heart Journal Supplements     Hybrid Journal   (Followers: 7)
European Journal of Cardio-Thoracic Surgery     Hybrid Journal   (Followers: 9)
European Journal of Cardio-Thoracic Surgery Supplements     Full-text available via subscription   (Followers: 2)
European Journal of Cardiovascular Nursing     Hybrid Journal   (Followers: 5)
European Journal of Heart Failure     Hybrid Journal   (Followers: 13)
European Journal of Preventive Cardiology.     Hybrid Journal   (Followers: 6)
European Stroke Organisation     Hybrid Journal   (Followers: 3)
Experimental & Translational Stroke Medicine     Open Access   (Followers: 9)
Expert Review of Cardiovascular Therapy     Full-text available via subscription   (Followers: 3)
Folia Cardiologica     Open Access  
Forum Zaburzeń Metabolicznych     Hybrid Journal  
Frontiers in Cardiovascular Medicine     Open Access   (Followers: 1)
Future Cardiology     Hybrid Journal   (Followers: 5)
General Thoracic and Cardiovascular Surgery     Hybrid Journal   (Followers: 3)
Global Cardiology Science and Practice     Open Access   (Followers: 5)
Global Heart     Hybrid Journal   (Followers: 3)
Heart     Hybrid Journal   (Followers: 49)
Heart and Mind     Open Access  
Heart and Vessels     Hybrid Journal  
Heart Failure Clinics     Full-text available via subscription   (Followers: 2)
Heart Failure Reviews     Hybrid Journal   (Followers: 3)
Heart India     Open Access   (Followers: 2)
Heart International     Full-text available via subscription  
Heart Rhythm     Hybrid Journal   (Followers: 11)
Heart Views     Open Access   (Followers: 2)
HeartRhythm Case Reports     Open Access  
Hellenic Journal of Cardiology     Open Access   (Followers: 1)
Herz     Hybrid Journal   (Followers: 2)
High Blood Pressure & Cardiovascular Prevention     Full-text available via subscription   (Followers: 2)
Hypertension     Full-text available via subscription   (Followers: 24)
Hypertension     Open Access   (Followers: 2)
Hypertension in Pregnancy     Hybrid Journal   (Followers: 9)
Hypertension Research     Hybrid Journal   (Followers: 4)
Ibrahim Cardiac Medical Journal     Open Access  
IJC Heart & Vessels     Open Access   (Followers: 1)
IJC Heart & Vasculature     Open Access   (Followers: 1)
IJC Metabolic & Endocrine     Open Access   (Followers: 1)
Indian Heart Journal     Open Access   (Followers: 5)
Indian Journal of Cardiovascular Disease in Women WINCARS     Open Access  
Indian Journal of Thoracic and Cardiovascular Surgery     Hybrid Journal  
Indian Pacing and Electrophysiology Journal     Open Access   (Followers: 1)
Innovations : Technology and Techniques in Cardiothoracic and Vascular Surgery     Hybrid Journal   (Followers: 1)
Insuficiencia Cardíaca     Open Access  
Interactive CardioVascular and Thoracic Surgery     Hybrid Journal   (Followers: 6)
International Cardiovascular Forum Journal     Open Access  
International Journal of Angiology     Hybrid Journal   (Followers: 2)
International Journal of Cardiology     Hybrid Journal   (Followers: 17)
International Journal of Cardiology Hypertension     Open Access   (Followers: 1)
International Journal of Cardiovascular and Cerebrovascular Disease     Open Access   (Followers: 3)
International Journal of Cardiovascular Imaging     Hybrid Journal   (Followers: 2)
International Journal of Cardiovascular Research     Hybrid Journal   (Followers: 6)
International Journal of Heart Rhythm     Open Access  
International Journal of Hypertension     Open Access   (Followers: 8)
International Journal of Hyperthermia     Open Access  
International Journal of Stroke     Hybrid Journal   (Followers: 33)
International Journal of the Cardiovascular Academy     Open Access  
Interventional Cardiology Clinics     Full-text available via subscription   (Followers: 2)
Interventional Cardiology Review     Open Access  
JACC : Basic to Translational Science     Open Access   (Followers: 6)
JACC : Cardiovascular Imaging     Hybrid Journal   (Followers: 19)
JACC : Cardiovascular Interventions     Hybrid Journal   (Followers: 21)
JACC : Heart Failure     Full-text available via subscription   (Followers: 16)
JAMA Cardiology     Hybrid Journal   (Followers: 31)

        1 2 | Last

Similar Journals
Journal Cover
Cerebrovascular Diseases
Journal Prestige (SJR): 1.517
Citation Impact (citeScore): 3
Number of Followers: 3  
 
  Full-text available via subscription Subscription journal
ISSN (Print) 1015-9770 - ISSN (Online) 1421-9786
Published by Karger Homepage  [120 journals]
  • Irisin Protects Brain against Ischemia/Reperfusion Injury through
           Suppressing TLR4/MyD88 Pathway
    • Abstract: Background: Inflammatory response exerts an important role in ischemia/reperfusion (I/R) injury. TLR4 and myeloid differentiation factor 88 (MyD88) are key components in inflammation and are involved in the cerebral I/R injury. Irisin is a skeletal muscle-derived myokine produced after exercise, which was found to suppress inflammation. In this study, we investigated whether irisin could protect the brain from I/R injury through the TLR4/MyD88 pathway. Methods: Male Sprague Dawley rats (20 months, 190 ∼ 240 g) were pretreated with irisin at 10, 50, or 100 mg/kg for consecutive 3 days and then subjected to surgery of middle cerebral artery occlusion or sham operation. Infarct size and neuron loss were measured to evaluate brain damage. The mRNA and protein levels of TLR4 and MyD88 were measured by in situ hybridization and immunohistochemistry, respectively. NF-κB activation was assessed by electrophoretic mobility shift assay. Neurological function was evaluated by neurobehavior score test and passive avoidance test. Results: Irisin could reduce neuronal damage and neurofunctional impairment after I/R injury. This effect was mediated by downregulating the TLR4/MyD88 and inhibiting NF-κB activation. Conclusion: Irisin plays a beneficial effect in I/R injury through regulating the TLR4/MyD88 pathway.
      Cerebrovasc Dis
      PubDate: Wed, 05 Aug 2020 15:33:24 +020
       
  • Modification of In-Hospital Recommendation and Prescription of
           Anticoagulants for Secondary Prevention of Stroke after Launch of Direct
           Oral Anticoagulants and Change of National Guidelines
    • Abstract: Introduction: Approximately 1 out of 4 stroke patients suffers ischemic stroke secondary to atrial fibrillation (AF). Although indicated, withholding of anticoagulants for secondary prevention is a widespread phenomenon. Objective: We examined the longitudinal change of recommendation and prescription of secondary preventive anticoagulation in AF patients in an acute stroke center setting focusing on the impact of the introduction of direct oral anticoagulants (DOACs) and the change of national stroke prevention guidelines. Methods: Consecutive patients admitted with an acute cerebrovascular ischemic event underwent regular diagnostic work-up. Pseudonymized clinical data were entered into the institution’s stroke registry. In those patients with AF, discharge letters were collected and evaluated for temporal trends and affecting factors of recommended and prescribed antithrombotic secondary medication at the time of discharge from hospital. Results: Of 7,175 patients admitted between January 2009 and December 2018, 1,812 (25.3%) suffered stroke caused by AF. Frequency of patients with recommended anticoagulation increased within the observation period from 66.7 to 95.8% (per year; adjusted odds ratio [OR], 1.309; confidence interval [CI], 1.153–1.486). Independently from this time trend, DOAC approval (adjusted OR, 4.026; CI 1.962–8.265) and guideline change (adjusted OR, 2.184; CI, 1.006–4.743) were associated with an increasing frequency of recommendation for anticoagulation. The rate of patients already receiving recommended anticoagulation for secondary prevention at discharge increased from 42.1 to 62.5%. Introduction of DOACs was not associated with this trend, and guideline change was even associated with decreasing frequency of anticoagulated patients at hospital discharge (adjusted OR, 0.641; CI, 0.414–0.991). Fear of early intracerebral bleeding was the most common reason for withholding anticoagulation (37%) at hospital discharge and stayed stable during the observation period. Conclusions: Changing national guidelines with discard of contraindications for anticoagulation and the introduction of DOACs led to a broader recommendation of oral anticoagulation. However, both, new guidelines and DOACs, were not found to be associated with an increasing percentage of patients discharged from our hospital already on recommended anticoagulant prevention. This might be explained by the decreasing length of hospital stay during the study period and a missing evidence of early bleeding risk of DOACs in patients with acute brain infarction. Evidence-based data to close this therapeutic gap are needed.
      Cerebrovasc Dis
      PubDate: Wed, 05 Aug 2020 08:37:37 +020
       
  • Three-Month Outcome of Carotid Artery Stenting in Patients with/without
           Coexistent Unruptured Intracranial Aneurysms
    • Abstract: Introduction: Safety of carotid artery stenting (CAS) in patients having carotid stenosis with coexistent unruptured intracranial aneurysms (UIAs) is rarely reported. Thus, we studied the 3-month outcome of CAS in the presence of coexistent UIAs in our institution. Methods: A retrospective analysis of patients receiving CAS at our institution from September 2011 to December 2019 was carried out. Patients were stratified into 2 groups: group of CAS with UIAs (CAS-UIA) and group of CAS without UIAs (CAS). The main complications within 3 months after stenting were TIA, ischemic stroke, symptomatic intracranial hemorrhage (sICH), rupture of UIAs, and death. The baseline characteristics and complications of the 2 groups were compared. Results: Five hundred fifty-six patients (CAS, n = 468; CAS-UIA, n = 88) were included and 604 stenting procedures were performed. More patients had hypertension in the CAS-UIA group (87.5 vs. 73.7%, p = 0.006). There was no significant difference in TIAs, ischemic stroke, sICH, and death within 3 months after stenting between the CAS and CAS-UIA groups. None of the 113 coexistent UIAs detected in 88 patients had aneurysm rupture within 3 months after CAS. Conclusions: In our large cohort of CAS patients, coexistent UIAs are not uncommon. Stenting of a carotid artery in the presence of coexistent UIAs could be conducted safely. Together with 3-month dual antiplatelet therapy, CAS did not increase the rupture risk of the coexistent UIAs within 3 months.
      Cerebrovasc Dis
      PubDate: Wed, 05 Aug 2020 08:36:41 +020
       
  • Early Anticoagulation or Antiplatelet Therapy Is Critical in
           Craniocervical Artery Dissection: Results from the COMPASS Registry
    • Abstract: Introduction: Craniocervical artery dissection (CeAD) is a leading cause of stroke in the young patient population. Recent studies reported a low rate of major adverse cardiac events (MACEs) in patients with CeAD, with no significant difference between patients randomized to anticoagulation or antiplatelet therapy. Objective: To compare the effectiveness of anticoagulation and antiplatelet therapy in patients with CeAD. Methods: All CeAD patients from 2015 to 2017 were consecutively identified by an electronic medical record-based application and enrolled in this prospective longitudinal registry. CeAD was confirmed by imaging and graded using the Denver scale for blunt cerebrovascular injury. Patients were followed for 12 months for MACE defined as stroke, transient ischemic attack (TIA), or death. Results: The cohort included 111 CeAD patients (age 53 ± 15.9 years, 56% Caucasian, 50% female). CeAD was detected by magnetic resonance (5%), computed tomography (88%), or catheter angiography (7%). CeAD was noted in the carotid (59%), vertebral (39%), and basilar (2%) arteries, 82% of which were extracranial dissections. CeAD was classified as grade I, II, III, and IV in 16, 33, 19, and 32%, respectively. A total of 40% of dissections were due to known trauma. A predisposing factor was noted in the majority (78%) of patients, including violent sneezing (21%), carrying a heavy load (19%), sports/recreational activity (11%), chiropractic manipulation (9%), abrupt/prolonged rotation of head (9%), and prolonged phone use (9%). At presentation, 41% had a stroke, 5% had TIA, 39% had headache, and 36% were asymptomatic. Favorable outcome defined as a modified Rankin Scale score of 0–2 was noted in 68% at 3 months and 71% at 12 months. The rate of MACEs at 3 and 12 months was 11 and 14%, respectively, with more events observed in patients who were not receiving anticoagulation/antiplatelet therapy due to contraindications (p = 0.008). Conclusions: We report diagnostic characteristics, as well as short- and long-term outcomes of CeAD. A high MACE rate was observed within the first 2 weeks of CeAD diagnosis, notably in patients not initiated on anticoagulation or antiplatelet therapy.
      Cerebrovasc Dis
      PubDate: Thu, 30 Jul 2020 10:31:24 +020
       
  • Safety and Efficacy of Tirofiban in Acute Ischemic Stroke Patients
           Receiving Endovascular Treatment: A Meta-Analysis
    • Abstract: Objectives: Tirofiban is widely used in clinical practice for acute ischemic stroke (AIS). However, whether tirofiban increases the bleeding risk or improves the outcome of AIS patients with endovascular treatment (ET) is unknown. The aim of this meta-analysis is to evaluate the safety and efficacy of tirofiban compared with those without tirofiban in AIS patients receiving ET. Methods: Systematic literature search was done in PubMed and EMBASE databases without language or time limitation. Safety outcomes were symptomatic intracranial hemorrhage (sICH) and mortality. Efficacy outcomes were recanalization rate and favorable functional outcome. Review Manager 5.3 and Stata Software Package 15.0 were used to perform the meta-analysis. Results: Eleven studies with a total of 2,028 patients were included. A total of 704 (34.7%) patients were administrated tirofiban combined with ET. Meta-analysis suggested that tirofiban did not increase the risk of sICH (odds ratio (OR) 1.08; 95% confidence interval (CI) 0.81–1.46; p = 0.59) but significantly decreased mortality (OR 0.68; 95% CI 0.52–0.89; p = 0.005). There was no association between tirofiban and recanalization rate (OR 1.26; 95% CI 0.86–1.82; p = 0.23) or favorable functional outcome (OR 1.21; 95% CI 0.88–1.68; p = 0.24). Subgroup analyses indicated that preoperative tirofiban significantly increase recanalization rate (OR 3.89; 95% CI 1.70–8.93; p = 0.001) and improve favorable functional outcome (OR 2.30; 95% CI 1.15–4.60; p = 0.02). Conclusions: Tirofiban is safe in AIS patients with ET and can significantly reduce mortality; preoperative tirofiban may be effective, but further studies are needed to confirm the efficacy.
      Cerebrovasc Dis
      PubDate: Thu, 30 Jul 2020 10:29:35 +020
       
  • Thin Slices and Maximum Intensity Projection Reconstructions Increase
           Sensitivity to Hyperdense Middle Cerebral Artery Sign in Acute Ischemic
           Stroke
    • Abstract: Introduction: Cranial nonenhanced CT (NECT) imaging in hyperacute ischemic stroke is rarely used for assessing arterial obstruction of middle cerebral artery by identifying hyperdense artery sign (HAS). Considering, however, its growing importance due to its impact on the decision-making process of thrombolysis with or without mechanical thrombectomy improved sensitivity to HAS is necessary, particularly in the group of less experienced clinicians being frequently the first one assessing the presence of HAS on NECT. Objective: The present study aimed to investigate the effect of different NECT image reconstructions on the correct detection of hyperdense middle cerebral artery sign in a cohort of observers with lower experience level on NECT. Particularly, MIP image reconstructions were expected to be useful for less experienced observers due to both strengthening of the hyperdensity of HAS and streamlining to less image slices. Methods: Twenty-five of 100 patients’ NECT image data presented with HAS. Sixteen observers with lower practice level on NECT (10 radiologists and 6 neurologists) evaluated independently the 3 image reconstructions of each data set with thin slice 1.5 mm, thick slab 5 mm, and 6-mm maximum intensity projection (MIP) and rated the presence of HAS in middle cerebral artery. A GEE model with random observer effect was used to examine the influence of the 3 image reconstructions on sensitivity to HAS. A linear mixed effects regression model was used to investigate the ranking of detectability of HAS. Interrater reliability was determined by Fleiss’ kappa coefficient (κ). Results: Recognition of HAS and sensitivity to HAS significantly differed between the 3 image reconstructions (p = 0.0106). MIP and thin slice reconstructions yielded each on average the highest sensitivities with 73% compared to thick slab reconstruction with 45% sensitivity. The interobserver reliability was fair (κ, 0.3–0.4). Detectability of HAS was significantly easier and better visible ranked on MIP and thin slice reconstructions compared to thick slab (p #x3c; 0.05). Conclusion: MIP and thin slice reconstructions increased the sensitivity to HAS (73%), whereas thick slab reconstructions seemed to be less appropriate (45%).
      Cerebrovasc Dis
      PubDate: Tue, 28 Jul 2020 13:22:59 +020
       
  • Brain Imaging Signs and Health-Related Quality of Life after Acute
           Ischemic Stroke: Analysis of ENCHANTED Alteplase Dose Arm
    • Abstract: Background and Purpose: The influence of specific brain lesions on health-related quality of life (HRQoL) after acute ischemic stroke (AIS) is uncertain. We aimed to identify imaging predictors of poor HRQoL in alteplase-treated participants of the alteplase dose arm of the Enhanced Control of Hypertension and Thrombolysis Stroke Study (ENCHANTED). Methods: ENCHANTED was an international trial of low- versus standard-dose intravenous alteplase in AIS patients, with functional outcome (modified Rankin scale [mRS]) and HRQoL on the 5-dimension European Quality of Life Scale (EQ-5D) assessed at 90 days post-randomization. Brain images were analyzed centrally by trained assessors. Multivariable logistic regression was undertaken in the study population randomly divided (2:1) into training (development) and validation (performance) groups, with age (per 10-year increase), ethnicity, baseline National Institutes of Health Stroke Scale (NIHSS) score, diabetes mellitus, premorbid function (mRS score 0 or 1), and proxy respondent, forced into all models. Data are presented with odds ratios (ORs) and 95% confidence intervals (CIs). Results: Eight prediction models were developed and validated in 2,526 AIS patients (median age 67.5 years; 38.4% female; 61.7% Asian) with complete brain imaging and 90-day EQ-5D utility score data. The best performance model included acute ischemic changes in the right (OR 1.69, 95% CI: 1.24–2.29) and deep (OR 1.50, 95% CI: 1.03–2.19) middle cerebral artery (MCA) regions. Several background features of brain frailty – atrophy, white matter change, and old infarcts – were significantly associated with adverse physical but not emotional HRQoL domains. Conclusions: In thrombolysed AIS patients, right-sided and deep ischemia within the MCA territory predict poor overall HRQoL, whilst features of old cerebral ischemia are associated with reduced physical HRQoL.
      Cerebrovasc Dis
      PubDate: Wed, 22 Jul 2020 09:20:19 +020
       
  • Effects of White Matter Hyperintensities on 90-Day Functional Outcome
           after Large Vessel and Non-Large Vessel Stroke
    • Abstract: Introduction: White matter hyperintensity (WMH) burden is a critically important cerebrovascular phenotype related to the diagnosis and prognosis of acute ischemic stroke. The effect of WMH burden on functional outcome in large vessel occlusion (LVO) stroke has only been sparsely assessed, and direct LVO and non-LVO comparisons are currently lacking. Material and Methods: We reviewed acute ischemic stroke patients admitted between 2009 and 2017 at a large healthcare system in the USA. Patients with LVO were identified and clinical characteristics, including 90-day functional outcomes, were assessed. Clinical brain MRIs obtained at the time of the stroke underwent quantification of WMH using a fully automated algorithm. The pipeline incorporated automated brain extraction, intensity normalization, and WMH segmentation. Results: A total of 1,601 acute ischemic strokes with documented 90-day mRS were identified, including 353 (22%) with LVO. Among those strokes, WMH volume was available in 1,285 (80.3%) who had a brain MRI suitable for WMH quantification. Increasing WMH volume from 0 to 4 mL, age, female gender, a number of stroke risk factors, presence of LVO, and higher NIHSS at presentation all decreased the odds for a favorable outcome. Increasing WMH above 4 mL, however, was not associated with decreasing odds of favorable outcome. While WMH volume was associated with functional outcome in non-LVO stroke (p = 0.0009), this association between WMH and functional status was not statistically significant in the complete case multivariable model of LVO stroke (p = 0.0637). Conclusion: The burden of WMH has effects on 90-day functional outcome after LVO and non-LVO strokes. Particularly, increases from no measurable WMH to 4 mL of WMH correlate strongly with the outcome. Whether this relationship of increasing WMH to worse outcome is more pronounced in non-LVO than LVO strokes deserves additional investigation.
      Cerebrovasc Dis
      PubDate: Tue, 21 Jul 2020 13:51:00 +020
       
  • Mechanisms of Stroke in COVID-19
    • Abstract:
      Cerebrovasc Dis
      PubDate: Mon, 20 Jul 2020 07:09:35 +020
       
  • Matching Selection of Donor-Recipient Vessels in Revascularization Surgery
           Effectively Reduce the Incidence of Postoperative Hyperperfusion Syndrome
           in Adult Moyamoya Disease: A Retrospective Comparison Study
    • Abstract: Introduction: Cerebral hyperperfusion syndrome (CHS) is one of the most serious complications after revascularization surgery in patients with moyamoya disease (MMD). However, there are few effective measures to prevent the occurrence of CHS. Objective: The present study aims to examine the effect of the method about matching selection of donor-recipient vessels during revascularization surgery on the incidence of postoperative CHS in adult MMD patients. Methods: 216 Chinese adult patients with MMD received surgery treatment between January 2018 and December 2019 in our hospital were enrolled in this study. 191 out of 216 patients were included in this study. Matching selection method was defined as follows: (1) blood flow: the direction of blood flow and speed of the donor artery and potential receptor arteries were measured by flow 800 indocyanine green video angiography; (2) vascular diameter: the diameters of the donor artery and potential receptor arteries by a miniature ruler. Only the artery with antegrade flow and with smallest difference in flow speed and diameter with the donor artery will be selected as the receptor artery to perform anastomosis. Matching selection was performed from January 2019. Digital subtraction angiography was performed in all patients for initial MMD diagnosis. Perioperative cerebral perfusion and related clinical symptoms were monitored. Clinical characteristics, contralateral progression, and risk factors were reviewed. The incidence of CHS and the correlation of CHS with baseline characteristics or clinical conditions were analyzed. Results: Of these 191 patients, 82 patients received matching selection of donor-recipient vessels during revascularization surgery and 109 patients without. The postoperative CHS incidence in the matching group was 3.66%, which was much lower than that in the nonmatching group (15.60%). Multivariate analysis did not reveal a significant risk factor between the progression group and the nonprogression group. Correlation analysis revealed only the matching selection method was significantly associated with the reduced postoperative CHS incidence in MMD patients. Conclusions: The matching selection of donor-recipient vessels during revascularization surgery effectively reduces the incidence of postoperative CHS in adult patients with MMD.
      Cerebrovasc Dis
      PubDate: Thu, 16 Jul 2020 10:03:14 +020
       
 
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