Wed.Nov 01, 2023

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Surveying health inequities in cardiac arrhythmia detection.

iRythm Technologies

Research indicates that healthcare quality varies across racial and ethnic groups. This article offers examples of inequity in atrial fibrillation detection and management. Raising awareness could help advance the path toward health equity.

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Non-atherosclerotic acute cardiac syndromes: spontaneous coronary artery dissection and Takotsubo syndrome. Comparison of long-term clinical outcomes

Coronary Artery Disease Journal

Background Spontaneous coronary artery dissection (SCAD) and Takotsubo syndrome (TTS) constitute two common causes of nonatherosclerotic acute cardiac syndrome particularly frequent in women. Currently, there is no information comparing long-term clinical outcomes in unselected patients with these conditions. Methods We compared the baseline characteristics, in-hospital outcomes, and the 12-month and long-term clinical outcomes of two large prospective registries on SCAD and TTS.

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Effect of Smoking Cessation on the Risk of Subarachnoid Hemorrhage: A Nested Case-Control Study in Korean Men

Stroke Journal

Stroke, Volume 54, Issue 12 , Page 3012-3020, December 1, 2023. BACKGROUND:Smoking is a well-established risk factor for subarachnoid hemorrhage (SAH), and current smokers have an increased risk of SAH. However, there are insufficient data on whether smoking cessation in current smokers reduces the risk of SAH.METHODS:A nested case-control study was conducted based on the National Health Insurance Service-National Health Screening Cohort, which comprises nationwide health claims data and a natio

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What happens when we pass out? Researchers ID new brain and heart connections

Science Daily - Heart Disease

Researchers have for the first time identified the genetic pathway between the heart and brain tied to fainting. They found that vagal sensory neurons trigger fainting, laying a foundation for addressing fainting-related disorders.

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Immune Markers Are Associated With Asymptomatic Intracranial Large Artery Stenosis and Future Vascular Events in NOMAS

Stroke Journal

Stroke, Volume 54, Issue 12 , Page 3030-3037, December 1, 2023. BACKGROUND:Inflammation contributes to atherosclerosis but is incompletely characterized in intracranial large artery stenosis (ICAS). We hypothesized that immune markers would be associated with ICAS and modify the risk ICAS confers on future vascular events.METHODS:This study included a subsample of stroke-free participants in the prospective NOMAS (Northern Manhattan Study), who had blood samples analyzed with a 60-plex immunoass

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Tissue Compliance and Intracranial Pressure Responses to Large Intracerebral Hemorrhage in Young and Aged Spontaneously Hypertensive Rats

Hypertension Journal

Hypertension, Ahead of Print. Background:After a large intracerebral hemorrhage (ICH), the hematoma and swelling cause intracranial pressure (ICP) to increase, sometimes causing brain herniation and death. This is partly countered by widespread tissue compliance, an acute decrease in tissue volume distal to the stroke, at least in young healthy animals.

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Semiautomated Detection of Early Infarct Signs on Noncontrast CT Improves Interrater Agreement

Stroke Journal

Stroke, Volume 54, Issue 12 , Page 3090-3096, December 1, 2023. BACKGROUND:Acute ischemic infarct identification on noncontrast computed tomography (NCCT) is highly variable between raters. A semiautomated method for segmentation of acute ischemic lesions on NCCT may improve interrater reliability.METHODS:Patients with successful endovascular reperfusion from the DEFUSE 3 trial (Endovascular Therapy Following Imaging Evaluation for Ischemic Stroke) were included.

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Impact of Active Physiotherapy on Physical Activity Level in Stroke Survivors: A Systematic Review and Meta-Analysis

Stroke Journal

Stroke, Volume 54, Issue 12 , Page 3097-3106, December 1, 2023. BACKGROUND:Stroke survivors are frequently physically inactive. However, evidence of the effectiveness of active physiotherapy on physical activity level in stroke survivors is scarce.METHODS:We conducted a systematic review and meta-analysis of randomized controlled trials according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis statement, covering electronic searches from inception to March 16, 2022.

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Role of Angiotensin II Type 1a Receptor (AT1aR) of Renal Tubules in Regulating Inwardly Rectifying Potassium Channels 4.2 (Kir4.2), Kir4.1, and Epithelial Na+ Channel (ENaC)

Hypertension Journal

Hypertension, Ahead of Print. Background:Kir4.2 and Kir4.1 play a role in regulating membrane transport in the proximal tubule (PT) and in the distal-convoluted-tubule (DCT), respectively.Methods:We generated kidney-tubule-specific-AT1aR-knockout (Ks-AT1aR-KO) mice to examine whether renal AT1aR regulates Kir4.2 and Kir4.1.Results:Ks-AT1aR-KO mice had a lower systolic blood pressure thanAgtr1aflox/flox(control) mice.

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Detailed Assessment of the “I Need Help” Criteria in Patients With Heart Failure: Insights From the HELP-HF Registry

Circulation: Heart Failure

Circulation: Heart Failure, Ahead of Print. BACKGROUND:The “I Need Help” markers have been proposed to identify patients with advanced heart failure (HF). We evaluated the prognostic impact of these markers on clinical outcomes in a real-world, contemporary, multicenter HF population.METHODS:We included consecutive patients with HF and at least 1 high-risk “I Need Help” marker from 4 centers.

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Telehealth and Health Equity in Older Adults With Heart Failure: A Scientific Statement From the American Heart Association

Circulation: Cardiovascular Quality & Outcomes

Circulation: Cardiovascular Quality and Outcomes, Volume 16, Issue 11 , Page e000123, November 1, 2023. Enhancing access to care using telehealth is a priority for improving outcomes among older adults with heart failure, increasing quality of care, and decreasing costs. Telehealth has the potential to increase access to care for patients who live in underresourced geographic regions, have physical disabilities or poor access to transportation, and may not otherwise have access to cardiologists

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Navigating the Course of Dual Antiplatelet Therapy After Percutaneous Coronary Intervention: A Review of Guided Approaches

Circulation: Cardiovascular Interventions

Circulation: Cardiovascular Interventions, Ahead of Print. Dual antiplatelet therapy (DAPT) is the standard approach to prevent thrombotic events in patients undergoing percutaneous coronary intervention and presenting with chronic or acute coronary syndromes. However, a sizeable proportion of patients presents with an impaired or unwarranted response to DAPT depending on genetic polymorphisms or variability in platelet response.

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Brief Report: Corin and Left Atrial Cardiomyopathy, Hypertension, Arrhythmia, and Fibrosis

The New England Journal of Medicine

Findings from a study involving two siblings homozygous for a null variant in CORIN have implications for understanding the extent to which the BNP and ANP pathways overlap.

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Underlying mechanism of atrial fibrillation associated Nppa-I137T mutation and cardiac effect of potential drug therapy

HeartRhythm

Over a hundred genetic loci have been associated with atrial fibrillation (AF). But the exact mechanism remains unclear and the treatment needs to be improved.

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Giant right coronary artery aneurysm with right coronary artery–right atrial fistula

Coronary Artery Disease Journal

An abstract is unavailable.

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Non-Physicians and Stroke: Career Perspectives

Stroke Journal

Stroke, Volume 54, Issue 12 , Page e505-e507, December 1, 2023.

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Chlorthalidone or Spironolactone for Patients With TRH and Advanced Chronic Kidney Disease?

Hypertension Journal

Hypertension, Ahead of Print.

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What do you think of this ECG that was texted to me?

Dr. Smith's ECG Blog

This ECG was texted to me by a colleague. I assumed it was from a patient with symptoms compatible with ACS/OMI. What do you think? There is sinus rhythm with RBBB and ST Elevation in V2 which is concordant with the QRS. The ST segment in RBBB should be ST depression , discordant to the positive R'-wave (i.e., opposite direction of the upright R'-wave).

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Red Meat and Diabetes: Untangling Causation from Correlation

Physiologically Speaking

Greetings. In this week's post, we take a deep dive into the latest study showing that red meat intake is associated with type 2 diabetes…one that caused quite a stir in the media. Whether you’re plant-based or full-on-carnivore, you’ll be interested in what this study does (and doesn’t) say about dietary intake and disease risk.

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The prognostic importance of the Naples prognostic score for in-hospital mortality in patients with ST-segment elevation myocardial infarction

Coronary Artery Disease Journal

Background The Naples prognostic score (NPS) is an effective inflammatory and nutritional scoring system widely applied as a prognostic factor in various cancers. However, the prognostic significance of NPS is unknown in ST-segment elevation myocardial infarction (STEMI). We aimed to analyze the prognostic value of the NPS in-hospital mortality in patients with STEMI.

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Deficiency of Complement C3a and C5a receptors Does Not Prevent Angiotensin II–Induced Hypertension and Hypertensive End-Organ Damage

Hypertension Journal

Hypertension, Ahead of Print. Background:Complement may drive the pathology of hypertension through effects on innate and adaptive immune responses. Recently an injurious role for the anaphylatoxin receptors C3aR (complement component 3a receptor) and C5aR1 (complement component 5a receptor) in the development of hypertension was shown through downregulation of Foxp3+(forkhead box protein 3) regulatory T cells.