Results 71 to 80 of about 148,678 (360)

Encoding Cardiopulmonary Exercise Testing Time Series as Images for Classification using Convolutional Neural Network [PDF]

open access: yesarXiv, 2022
Exercise testing has been available for more than a half-century and is a remarkably versatile tool for diagnostic and prognostic information of patients for a range of diseases, especially cardiovascular and pulmonary. With rapid advancements in technology, wearables, and learning algorithm in the last decade, its scope has evolved.
arxiv  

The HLA class II allele DRB1*1501 is over-represented in patients with idiopathic pulmonary fibrosis [PDF]

open access: yes, 2011
Background: Idiopathic pulmonary fibrosis (IPF) is a progressive and medically refractory lung disease with a grim prognosis. Although the etiology of IPF remains perplexing, abnormal adaptive immune responses are evident in many afflicted patients.
A Shimizudani   +69 more
core   +5 more sources

Percutaneous closure of PFO in patients with reduced oxygen saturation at rest and during exercise : short- and long-term results [PDF]

open access: yes, 2020
Background. A patent foramen ovale (PFO) is a rare cause of hypoxemia and clinical symptoms of dyspnea. Due to a right-to-left shunt, desaturated blood enters the systemic circulation in a subset of patients resulting in dyspnea and a subsequent ...
De Cuyper, Celine   +8 more
core   +2 more sources

Ubiquitination of transcription factors in cancer: unveiling therapeutic potential

open access: yesMolecular Oncology, EarlyView.
In cancer, dysregulated ubiquitination of transcription factors contributes to the uncontrolled growth and survival characteristics of tumors. Tumor suppressors are degraded by aberrant ubiquitination, or oncogenic transcription factors gain stability through ubiquitination, thereby promoting tumorigenesis.
Dongha Kim, Hye Jin Nam, Sung Hee Baek
wiley   +1 more source

Loss of alveolar membrane diffusing capacity and pulmonary capillary blood volume in pulmonary arterial hypertension

open access: yesRespiratory Research, 2013
Background Reduced gas transfer in patients with pulmonary arterial hypertension (PAH) is traditionally attributed to remodeling and progressive loss of pulmonary arterial vasculature that results in decreased capillary blood volume available for gas ...
Farha Samar   +6 more
doaj   +1 more source

Modeling of Red Blood Cells in Capillary Flow Using Fluid–Structure Interaction and Gas Diffusion

open access: yesCells, 2022
Red blood cell (RBC) distribution, RBC shape, and flow rate have all been shown to have an effect on the pulmonary diffusing capacity. Through this study, a gas diffusion model and the immersed finite element method were used to simulate the gas ...
Ling An   +4 more
doaj   +1 more source

Quantitative Observations On The Pulmonary Anatomy Of The Domestic Fowl And Other Ground-Dwelling Birds [PDF]

open access: yes, 1987
The pulmonary stereology of the adult domestic fowl (Gallus gallus variant domesticus) , the Red Jungle Fowl (Gallus gallus) , the Muscovy Duck (Cairina moschata) , the White-breasted Water-Hen (Amaurornis phoenicurus), and the juveniles of the ...
M. K. Vidyadaran,
core  

Possible role of Krüppel-like factor 5 in the remodeling of small airways and pulmonary vessels in chronic obstructive pulmonary disease [PDF]

open access: yes, 2016
BACKGROUND: Small airway remodeling is an important cause of the airflow limitation in chronic obstructive pulmonary disease (COPD). A large population of patients with COPD also have pulmonary hypertension.
Abe, K   +14 more
core   +2 more sources

AAPM Task Group No. 249.B—Essentials and guidelines for clinical medical physics residency training program

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract The establishment of guidelines and curriculum standards for medical physics residency training is a critical component of setting expectations and competencies for the profession. Since the last publication of these standards, residency training has become integrated into the eligibility criteria for most medical physics certification bodies.
Jonathon A. Nye   +16 more
wiley   +1 more source

High-Fidelity Image Synthesis from Pulmonary Nodule Lesion Maps using Semantic Diffusion Model [PDF]

open access: yesarXiv, 2023
Lung cancer has been one of the leading causes of cancer-related deaths worldwide for years. With the emergence of deep learning, computer-assisted diagnosis (CAD) models based on learning algorithms can accelerate the nodule screening process, providing valuable assistance to radiologists in their daily clinical workflows.
arxiv  

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