Results 221 to 230 of about 88,829 (262)

Non‐Contrast Assessment of Blood–Brain Barrier Permeability to Water: Improved Signal Modeling and Data Acquisition

open access: yesMagnetic Resonance in Medicine, Volume 95, Issue 4, Page 1998-2008, April 2026.
ABSTRACT Purpose Water‐extraction‐with‐phase‐contrast‐arterial‐spin‐tagging (WEPCAST) MRI is a non‐contrast method to estimate the blood–brain barrier (BBB) permeability to water. Similar to other arterial‐spin‐labeling (ASL) based techniques, signal‐to‐noise ratio is a limitation.
Wen Shi   +11 more
wiley   +1 more source

Parathyroid Hormone Sampling From the Anterior Jugular Vein Versus Peripheral Vein After Total Thyroidectomy

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, Volume 12, Issue 2, Page 195-201, April 2026.
ABSTRACT Background To determine if anterior jugular vein sampling (AJVS) is non‐inferior to peripheral venous sampling (PVS) for measuring intraoperative parathyroid hormone (PTH) levels following total thyroidectomy. Methods This was a prospective non‐inferiority trial conducted at a tertiary academic medical center.
Noel M. Phan   +4 more
wiley   +1 more source

Fatal Cervical Spine Chalk‐Stick Fracture in Ankylosing Spondylitis Following Trivial Trauma: A Case Report

open access: yes
Clinical Case Reports, Volume 14, Issue 4, April 2026.
Bist Omkar   +4 more
wiley   +1 more source

Detection of the Heterozygous Recurrent MAX p.(Arg60Gln) Variant in Two Females Confirms and Expands the Phenotypic Spectrum of Polydactyly–Macrocephaly Syndrome

open access: yesClinical Genetics, Volume 109, Issue 4, Page 788-795, April 2026.
We identified a recurrent heterozygous MAX c.179G>A:p.Arg60Gln variant in two unrelated females affected with the emerging phenotypes of MAX‐associated polydactyly‐macrocephaly syndrome. We propose that genitourinary abnormalities, including Mayer–Rokitanski–Kuster–Hauser syndrome in one individual, are an expansion of the known phenotypes associated ...
Iftekhar A. Showpnil   +9 more
wiley   +1 more source

Exploring heart rate variability as a biomarker for frailty: A narrative review

open access: yesEuropean Journal of Clinical Investigation, Volume 56, Issue 4, April 2026.
Frailty arises from progressive multisystem dysregulation, prompting interest in biomarkers that capture declining physiological reserve. This review positions heart rate variability (HRV) within this evolving biomarker landscape, outlining its physiological basis, analytical domains and relevance to clinical research.
Luca Tagliafico   +5 more
wiley   +1 more source

The Swedish CArdioPulmonary bioImage Study re‐examination: Rationale, design, methods, and management of incidental findings

open access: yesJournal of Internal Medicine, Volume 299, Issue 4, Page 467-480, April 2026.
Abstract Objectives To describe the rationale, design and data collection procedures of the Swedish CArdioPulmonary bioImage Study (SCAPIS) re‐examination, which, in its further scope, aims to quantify and explain the development of atherosclerosis, pathological cardiovascular ageing, longitudinal decline in lung function and the malignant ...
Elin Good   +21 more
wiley   +1 more source

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