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https://www.readbyqxmd.com/read/29339921/cardiopulmonary-exercise-test-and-pao2-in-evaluation-of-pulmonary-hypertension-in-copd
#1
Ingunn Skjørten, Janne Mykland Hilde, Morten Nissen Melsom, Jonny Hisdal, Viggo Hansteen, Kjetil Steine, Sjur Humerfelt
Background: Exercise tolerance decreases as COPD progresses. Pulmonary hypertension (PH) is common in COPD and may reduce performance further. COPD patients with and without PH could potentially be identified by cardiopulmonary exercise test (CPET). However, results from previous studies are diverging, and a unified conclusion is missing. We hypothesized that CPET combined with arterial blood gases is useful to discriminate between COPD outpatients with and without PH. Methods: In total, 93 COPD patients were prospectively included...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29338830/application-of-cardiopulmonary-exercise-testing-in-enhanced-recovery-after-surgery
#2
Liang Yan Zhang, Zi Jia Liu, Le Shen, Yu Guang Huang
Enhanced recovery after surgery (ERAS) is a new perioperative concept that aims to reduce perioperative stress response and accelerate rehabilitation of patients through a variety of optimized management. With the wider application of this concept,the effective implementation of ERAS program has become a new challenge. Cardiopulmonary exercise testing (CPET) has shown promising value in the preoperative assessment,perioperative optimization,and postoperative rehabilitation of ERAS. This article reviews the application of CPET in ERAS,with an attempt to provide evidence for more detailed and comprehensive ERAS program...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29337713/calculated-versus-measured-mvv-surrogate-marker-of-ventilatory-cpet-erratum
#3
(no author information available yet)
No abstract text is available yet for this article.
February 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29320309/isocapnic-buffering-phase-a-useful-indicator-of-exercise-endurance-and-prognosis-in-patients-with-coronary-artery-disease
#4
Yun-Shan Yen, Daniel Chiung Jui Su, Kuo-Shu Yuan, Po-Wei Chen, Julie Chi Chow, Willy Chou
OBJECTIVES: The significance of the isocapnic buffering (IB) phase - the period between the first ventilatory threshold (1stVT) and respiratory compensation point (RCP) - has not been adequately established in patients. This study aimed to determine the clinical significance of the IB phase in coronary artery disease (CAD) patients. METHODS: This retrospective study included data of sixty-two CAD patients after coronary artery bypass graft (CABG) or percutaneous coronary intervention (PCI) performed in a single medical center between 2010-2014...
January 10, 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29262409/early-markers-of-cardiovascular-risk-in-autosomal-dominant-polycystic-kidney-disease
#5
Silvia Lai, Daniela Mastroluca, Silvia Matino, Valeria Panebianco, Antonio Vitarelli, Lidia Capotosto, Irene Turinese, Paolo Marinelli, Marco Rossetti, Alessandro Galani, Pia Baiocchi, Anna R D'Angelo, Paolo Palange
BACKGROUND/AIMS: Cardiovascular disease is the most frequent cause of morbidity and mortality in autosomal dominant polycystic kidney disease (ADPKD) patients, often before the onset of renal failure, and the pathogenetic mechanism is not yet well elucidated. The aim of the study was to identify early and noninvasive markers of cardiovascular risk in young ADPKD patients, in the early stages of disease. METHODS: A total of 26 patients with ADPKD and 24 control group, matched for age and sex, were enrolled, and we have assessed inflammatory indexes, mineral metabolism, metabolic state and markers of atherosclerosis and endothelial dysfunction (carotid intima media thickness (IMT), ankle brachial index (ABI), flow mediated dilation (FMD), renal resistive index (RRI), left ventricular mass index (LVMI)) and cardiopulmonary exercise testing (CPET), maximal O2 uptake (V'O2max), and O2 uptake at lactic acid threshold (V'O2@LT)...
December 15, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29240566/a-practical-clinical-approach-to-utilize-cardiopulmonary-exercise-testing-in-the-evaluation-and-management-of-coronary-artery-disease-a-primer-for-cardiologists
#6
Sundeep Chaudhry, Ross Arena, Deepak L Bhatt, Subodh Verma, Naresh Kumar
PURPOSE OF REVIEW: There is growing clinical interest for the use of cardiopulmonary exercise testing (CPET) to evaluate patients with or suspected coronary artery disease (CAD). With mounting evidence, this concise review with relevant teaching cases helps to illustrate how to integrate CPET data into real world patient care. RECENT FINDINGS: CPET provides a novel and purely physiological basis to identify cardiac dysfunction in symptomatic patients with both obstructive-CAD and nonobstructive-CAD (NO-CAD)...
December 13, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29231017/-forensic-application-of-huaxiatm-platinum-kit
#7
Y L Wang, X Sheng, M Li, Y L Chen, Y Lin, L Q Chen
OBJECTIVES: To investigate the genetic polymorphism of 23 autosomal STR loci of Huaxia™ Platinum kit in Chinese Han population, and to evaluate the forensic efficiency of Huaxia™ Platinum kit. METHODS: A total of 500 unrelated healthy individuals from Han population were genotyped with Huaxia™ Platinum kit. The frequency distribution and the parameter of population genetics of STR loci were analysed statistically. Huaxia™ Platinum kit was compared with other 7 commercial STR kits commonly seen at home and abroad in the number of STR loci, interior label, fluorescent mark, total number of alleles in Ladder and system effectiveness...
April 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29204270/comparison-of-risk-scoring-systems-in-the-prediction-of-outcome-after-liver-resection
#8
S Ulyett, G Shahtahmassebi, S Aroori, M J Bowles, C D Briggs, M G Wiggans, G Minto, D A Stell
Background: Risk prediction techniques commonly used in liver surgery include the American Society of Anesthesiologists (ASA) grading, Charlson Comorbidity Index (CCI) and cardiopulmonary exercise tests (CPET). This study compares the utility of these techniques along with the number of segments resected as predictive tools in liver surgery. Methods: A review of a unit database of patients undergoing liver resection between February 2008 and January 2015 was undertaken...
2017: Perioperative Medicine
https://www.readbyqxmd.com/read/29202745/the-association-of-n-terminal-pro-brain-type-natriuretic-peptide-with-hemodynamics-and-functional-capacity-in-therapy-naive-precapillary-pulmonary-hypertension-results-from-a-cohort-study
#9
T M Berghaus, J Kutsch, C Faul, W von Scheidt, M Schwaiblmair
BACKGROUND: N-terminal pro-brain-type natriuretic peptide (NT-proBNP) is currently used as a surrogate marker for disease severity in pulmonary hypertension (PH). However, NT-proBNP tends to have a high variability and may insufficiently correlate with hemodynamics and exercise capacity. METHODS: To investigate the association of NT-proBNP with hemodynamics and cardio-pulmonary exercise testing (CPET) in 84 therapy-naive patients with precapillary PH. RESULTS: NT-proBNP levels were significantly correlated with hemodynamics and CPET parameters except for cardiac index, diffusion capacity, PaO2 at peak exercise, and peak minute ventilation...
December 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29198937/cardiopulmonary-exercise-testing-in-the-evaluation-of-liver-disease-in-adults-who-have-had-the-fontan-operation
#10
Anushree Agarwal, Colin Cunnington, Aarthi Sabanayagam, Lucas Zier, Charles E McCulloch, Ian S Harris, Elyse Foster, Dougal Atkinson, Angela Bryan, Petra Jenkins, Jaspal Dua, Michael J Parker, Devinda Karunaratne, John A Moore, Jeffrey Meadows, Bernard Clarke, Johann Andreas Hoschtitzky, Vaikom Subramanian Mahadevan
BACKGROUND: Liver disease (LD) is a long-term complication in patients with a single ventricle who have had the Fontan operation. A decline in cardiopulmonary exercise testing (CPET) variables is associated with increased risk of hospitalization, but its association with LD is unknown. AIM: To determine the association between CPET variables and LD in adults who have had the Fontan operation. METHODS: We retrospectively reviewed the medical records from two tertiary institutions...
November 30, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/29189667/repeatability-and-meaningful-change-of-cpet-parameters-in-normal-subjects
#11
Thomas W DeCato, Sean M Bradley, Emily L Wilson, Matthew J Hegewald
INTRODUCTION/PURPOSE: Cardiopulmonary exercise testing (CPET) plays an important role in clinical medicine and research. Repeatability of CPET parameters has not been well characterized, but is important to assess variability and determine if there have been meaningful changes in a given CPET parameter. METHODS: We recruited 45 healthy subjects and performed two symptom-limited CPETs within 30 days using a cycle ergometer. Differences in relevant CPET parameters between CPET-1 and CPET-2 were assessed using a paired t-test...
November 7, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29181804/vigorous-intensity-aerobic-interval-exercise-in-bladder-cancer-patients-prior-to-radical-cystectomy-a-feasibility-randomised-controlled-trial
#12
Srijit Banerjee, Kate Manley, Barnabas Shaw, Liane Lewis, Gabriel Cucato, Robert Mills, Mark Rochester, Allan Clark, John M Saxton
PURPOSE: Strategies to improve pre-operative cardiopulmonary fitness could positively impact recovery after surgery. This study investigated the feasibility of vigorous intensity aerobic interval exercise in bladder cancer patients prior to radical cystectomy (RC). METHODS: A total of 60 patients were randomised (1:1) to exercise or control following a cardiopulmonary exercise test (CPET). The exercise group was offered twice-weekly pre-operative supervised vigorous intensity aerobic interval exercise in addition to standard treatment...
November 27, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29171164/exercise-performance-haemodynamics-and-respiratory-pattern-do-not-identify-heart-failure-patients-who-end-exercise-with-dyspnoea-from-those-with-fatigue
#13
Marco Morosin, Stefania Farina, Carlo Vignati, Emanuele Spadafora, Susanna Sciomer, Elisabetta Salvioni, Gianfranco Sinagra, Piergiuseppe Agostoni
AIMS: The two main symptoms referred by chronic heart failure (HF) patients as the causes of exercise termination during maximal cardiopulmonary exercise testing (CPET) are muscular fatigue and dyspnoea. So far, a physiological explanation why some HF patients end exercise because of dyspnoea and others because of fatigue is not available. We assessed whether patients referring dyspnoea or muscular fatigue may be distinguished by different ventilator or haemodynamic behaviours during exercise...
November 24, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29170358/cardiopulmonary-fitness-in-children-with-congenital-heart-diseases-versus-healthy-children
#14
Pascal Amedro, Arthur Gavotto, Sophie Guillaumont, Helena Bertet, Marie Vincenti, Gregoire De La Villeon, Charlène Bredy, Philippe Acar, Caroline Ovaert, Marie-Christine Picot, Stefan Matecki
OBJECTIVE: We aimed to compare the cardiopulmonary fitness of children with congenital heart diseases (CHD) with that of age-adjusted and gender-adjusted controls. We also intended to identify clinical characteristics associated with maximum oxygen uptake (VO2max) in this population. METHODS AND RESULTS: We included in a cross-sectional multicentre study a total of 798 children (496 CHD and 302 controls) who underwent a complete cardiopulmonary exercise test (CPET)...
November 23, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29159458/cardiopulmonary-exercise-testing-reflects-improved-exercise-capacity-in-response-to-treatment-in-morquio-a-patients-results-of-a-52-week-pilot-study-of-two-different-doses-of-elosulfase-alfa
#15
Kenneth I Berger, Barbara K Burton, Gregory D Lewis, Mark Tarnopolsky, Paul R Harmatz, John J Mitchell, Nicole Muschol, Simon A Jones, V Reid Sutton, Gregory M Pastores, Heather Lau, Rebecca Sparkes, Adam J Shaywitz
OBJECTIVE: To assess impact of a 52-week elosulfase alfa enzyme replacement therapy (ERT) on exercise capacity in Morquio A patients and analyze cardiorespiratory and metabolic function during exercise to uncover exercise limitations beyond skeletal abnormalities. METHODS: Morquio A patients aged ≥7 years, able to walk >200 m in the 6-minute walk test (6MWT), received elosulfase alfa 2.0 mg/kg/week (N = 15) or 4.0 mg/kg/week (N = 10) for 52 weeks in the randomized, double-blind MOR-008 study ( ClinicalTrials...
November 21, 2017: JIMD Reports
https://www.readbyqxmd.com/read/29155335/exercise-testing-in-patients-with-diaphragm-paresis
#16
Tristan Bonnevie, Francis-Edouard Gravier, Agathe Ducrocq, David Debeaumont, Catherine Viacroze, Antoine Cuvelier, Jean-François Muir, Catherine Tardif
PURPOSE: Diaphragm paresis (DP) is characterized by abnormalities of respiratory muscle function. However, the impact of DP on exercise capacity is not well known. This study was performed to assess exercise tolerance in patients with DP and to determine whether inspiratory muscle function was related to exercise capacity, ventilatory pattern and cardiovascular function during exercise. METHODS: This retrospective study included patients with DP who underwent both diaphragmatic force measurements, and cardiopulmonary exercise testing (CPET)...
November 16, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29154420/relationship-between-skeletal-muscle-mass-and-cardiac-function-during-exercise-in-community-dwelling-older-adults
#17
Masamitsu Sugie, Kazumasa Harada, Tetsuya Takahashi, Marina Nara, Joji Ishikawa, Teruyuki Koyama, Hunkyung Kim, Jun Tanaka, Hajime Fujimoto, Shuichi Obuchi, Stephan von Haehling, Syunei Kyo, Hideki Ito
AIMS: This study aimed to investigate the relationship between skeletal muscle mass and cardiac functional parameters in older adults during cardiopulmonary exercise testing (CPET). METHODS AND RESULTS: Sixty-three Japanese community-dwelling older adults were enrolled (20 men and 43 women; mean age 80 years, range 65-97 years). Cardiac functional parameters during exercise were assessed using CPET. Skeletal muscle mass index (SMI) was calculated by dividing the appendicular lean mass (measured using dual-energy X-ray absorptiometry) by height in metres squared...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29150683/null-functions-in-three-dimensional-imaging-of-alpha-and-beta-particles
#18
Yijun Ding, Luca Caucci, Harrison H Barrett
Null functions of an imaging system are functions in the object space that give exactly zero data. Hence, they represent the intrinsic limitations of the imaging system. Null functions exist in all digital imaging systems, because these systems map continuous objects to discrete data. However, the emergence of detectors that measure continuous data, e.g. particle-processing (PP) detectors, has the potential to eliminate null functions. PP detectors process signals produced by each particle and estimate particle attributes, which include two position coordinates and three components of momentum, as continuous variables...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29143123/recovery-of-the-cardiac-autonomic-nervous-and-vascular-system-after-maximal-cardiopulmonary-exercise-testing-in-recreational-athletes
#19
Heidi Weberruss, Johannes Maucher, Renate Oberhoffer, Jan Müller
OBJECTIVE: The body's adaptation to physical exercise is modulated by sympathetic and parasympathetic (vagal) branches of the autonomic nervous system (ANS). Heart rate variability (HRV), the beat-to-beat variation of the heart, is a proxy measure for ANS activity, whereas blood pressure (BP) is an indicator for cardiovascular function. Impaired vagal activity and lower BP is already described after exercise. However, inconsistent results exist about how long vagal recovery takes and how long post-exercise hypotension persists...
January 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29140739/cftr-genotype-and-maximal-exercise-capacity-in-cystic-fibrosis-a-cross-sectional-study
#20
Thomas Radtke, Helge Hebestreit, Sabina Gallati, Jane E Schneiderman, Julia Braun, Daniel Stevens, Erik Hj Hulzebos, Tim Takken, Steven R Boas, Don S Urquhart, Larry C Lands, Sergio Tejero, Aleksandar Sovtic, Tiffany Dwyer, Milos Petrovic, Ryan A Harris, Chantal Karila, Daniela Savi, Jakob Usemann, Meir Mei-Zahav, Elpis Hatziagorou, Felix Ratjen, Susi Kriemler
RATIONALE: Cystic fibrosis transmembrane conductance regulator (CFTR) is expressed in human skeletal muscle cells. Variations of CFTR dysfunction among patients with CF may present an important determinant of aerobic exercise capacity in CF. Previous studies on the relationship between CFTR genotype and aerobic exercise capacity are scarce and contradictory. OBJECTIVES: This study was designed to explore factors influencing aerobic exercise capacity, expressed as peak oxygen consumption (VO2peak) with a specific focus on CFTR genotype in children and adults with CF...
November 15, 2017: Annals of the American Thoracic Society
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