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https://read.qxmd.com/read/38535093/cardiopulmonary-exercise-testing-in-heart-failure
#1
REVIEW
Michel Juarez, Cristian Castillo-Rodriguez, Dina Soliman, Gaspar Del Rio-Pertuz, Kenneth Nugent
Cardiopulmonary exercise testing (CPET) provides important information for the assessment and management of patients with heart failure. This testing measures the respiratory and cardiac responses to exercise and allows measurement of the oxygen uptake (V˙O2 ) max and the relationship between minute ventilation (V˙E) and carbon dioxide excretion (V˙CO2 ). These two parameters help classify patients into categories that help predict prognosis, and patients with a V˙O2 < 14 mL/kg/min and V˙E/V˙CO2 slope >35 have a poor prognosis...
February 20, 2024: Journal of Cardiovascular Development and Disease
https://read.qxmd.com/read/37559714/safety-and-feasibility-of-tele-cardiac-rehabilitation-using-remote-biological-signal-monitoring-system-a-pilot-study
#2
JOURNAL ARTICLE
Miho Nishitani-Yokoyama, Kazunori Shimada, Kei Fujiwara, Abidan Abulimiti, Hiroki Kasuya, Mitsuhiro Kunimoto, Yurina Yamaguchi, Minoru Tabata, Masakazu Saitoh, Tetsuya Takahashi, Hiroyuki Daida, Shuko Nojiri, Tohru Minamino
BACKGROUND: Cardiac rehabilitation (CR) is categorized as a class I recommendation in the guidelines for the management of patients with cardiovascular disease (CVD). However, the penetration rate of outpatient CR is low in Japan. We designed a pilot study to evaluate the safety and feasibility of tele-CR using a remote biological signal monitoring system. METHODS: A total of nine patients (median aged 70.0 (66.0 - 76.0) years (male = 6) with CVD who participated in phase II CR for 1 month under the exercise prescription using the cardiopulmonary exercise test (CPET) were analyzed...
August 2023: Cardiology Research
https://read.qxmd.com/read/37268505/molecular-classification-of-breast-cancer
#3
REVIEW
Madhuchhanda Roy, Amy M Fowler, Gary A Ulaner, Aparna Mahajan
Breast carcinomas classified based on traditional morphologic assessment provide useful prognostic information. Although morphology is still the gold standard of classification, recent advances in molecular technologies have enabled the classification of these tumors into four distinct subtypes based on its intrinsic molecular profile that provide both predictive and prognostic information. This article describes the association between the different molecular subtypes with the histologic subtypes of breast cancer and illustrates how these subtypes may affect the appearance of tumors on imaging studies...
May 31, 2023: PET Clinics
https://read.qxmd.com/read/34809873/artificial-intelligence-and-cardiac-pet-computed-tomography-imaging
#4
REVIEW
Robert J H Miller, Ananya Singh, Damini Dey, Piotr Slomka
Artificial intelligence is an important technology, with rapidly expanding applications for cardiac PET. We review the common terminology, including methods for training and testing, which are fundamental to understanding artificial intelligence. Next, we highlight applications to improve image acquisition, reconstruction, and segmentation. Computed tomographic imaging is commonly acquired in conjunction with PET and various artificial intelligence methods have been applied, including methods to automatically extract anatomic information or generate synthetic attenuation images...
January 2022: PET Clinics
https://read.qxmd.com/read/31307029/fraction-of-air-coming-from-conductive-airways-has-the-negative-balance-in-heat-dissipation-after-maximal-effort-exercise-a-physiological-basis-for-exercise-induced-bronchoconstriction
#5
JOURNAL ARTICLE
Petar Dimov, Marina Labor, Davor Plavec
Exhaled breath temperature (EBT) has recently been used as a tool to assess the level of inflammation in airways. The newest technology can also assess EBT coming from different fractions of exhaled air (fEBT). We aimed to assess the changes in fEBT after a maximal cardio-pulmonary exercise test in healthy athletes. Forty-four healthy professional athletes (two females) were included. Their mean (±SD) age was 22.9 ± 4.8 years. An innovative device (FractAir® ) was used for fEBT measurement, dividing the exhaled air into three fractions (V1, V2 and V3) coming from different parts of the lungs; the large airways (anatomic dead space), conductive airways (functional dead space) and the peripheral part...
August 20, 2019: Journal of Breath Research
https://read.qxmd.com/read/29452805/perioperative-cardiopulmonary-exercise-testing-cpet-consensus-clinical-guidelines-on-indications-organization-conduct-and-physiological-interpretation
#6
JOURNAL ARTICLE
D Z H Levett, S Jack, M Swart, J Carlisle, J Wilson, C Snowden, M Riley, G Danjoux, S A Ward, P Older, M P W Grocott
The use of perioperative cardiopulmonary exercise testing (CPET) to evaluate the risk of adverse perioperative events and inform the perioperative management of patients undergoing surgery has increased over the last decade. CPET provides an objective assessment of exercise capacity preoperatively and identifies the causes of exercise limitation. This information may be used to assist clinicians and patients in decisions about the most appropriate surgical and non-surgical management during the perioperative period...
March 2018: British Journal of Anaesthesia
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