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Ventricular-Arterial Coupling: Changes with aging and implications across cardiovascular conditions.
Blood Press
January 2025
Jagiellonian University Medical College, 1st Department of Cardiology, Interventional Electrocardiology and Arterial Hypertension, Kraków, Poland.
Purpose: Ventricular-arterial coupling (VAC) is a crucial concept in cardiovascular physiology, representing the dynamic interaction between the left ventricle and the arterial system. This comprehensive literature review explores the changes in VAC with aging and various cardiovascular diseases (CVDs).
Materials And Methods: This literature review covers studies on changes in VAC with age and common CVDs such as arterial hypertension, atrial fibrillation, heart failure with preserved and reduced ejection fraction and aortic stenosis.
Digital phenotyping of social functioning and employment in people with schizophrenia: Pilot data from an international sample.
Psychiatry Clin Neurosci
January 2025
Division of Digital Psychiatry, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.
Aim: Individuals living with schizophrenia experience significant impairments in social functioning. As a major clinical outcome, social functioning requires appropriate measurement tools that can capture its dynamic nature. Digital phenotyping, using smartphone technology to collect high volume ecologically valid data, can potentially capture these facets.
View Article and Find Full Text PDFHyperammonemia and Impaired Consciousness Caused by Non-Urease-Producing Actinotignum schaalii in Obstructive Urinary Tract Infection.
Cureus
December 2024
Emergency and Critical Care Medicine, Iizuka City Hospital, Iizuka, JPN.
Urinary tract infections (UTIs) caused by urease-producing bacteria are known to cause hyperammonemia; however, non-urease-producing bacteria can also cause it. This report describes a case of an 87-year-old woman who developed hyperammonemia and impaired consciousness resulting from a UTI caused by the non-urease-producing bacterium, (). On admission, the patient presented with urinary retention, hyperammonemia (281 μg/dL), and alkaline urine (pH 8.
View Article and Find Full Text PDFOutcomes of Coronary Artery Bypass Grafting in Patients With Impaired Left Ventricular Function and the Role of Preoperative Myocardial Viability.
Cureus
December 2024
Cardiovascular Medicine, Hayatabad Medical Complex Peshawar, Peshawar, PAK.
Background Coronary artery bypass grafting (CABG) improves outcomes in patients with ischemic left ventricular (LV) dysfunction, but accurate patient selection remains critical. Late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) imaging aids in assessing myocardial viability, a key predictor of surgical outcomes. This study aimed to evaluate the impact of myocardial viability on postoperative outcomes in patients undergoing CABG.
View Article and Find Full Text PDFPeri-Intubation Cardiac Arrest in a Patient With Hypertensive Cardiac Tamponade.
Cureus
December 2024
Emergency Medicine, Barts Health NHS Trust, London, GBR.
Cardiac tamponade is widely known to be associated with life-threatening hypotension and rarely with hypertension. We present the case of a 53-year-old woman with hypertension and echocardiographic features of tamponade who had a cardiac arrest on intubation. The paradoxical hypertension is thought to be due to tachycardia and increased peripheral vascular resistance resulting from the compensatory sympathetic surge following impaired cardiac filling caused by the effusion.
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