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1979 1
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2007 2
2008 1
2009 1
2010 1
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2018 4
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2020 1
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Exercise ventilatory inefficiency in heart failure and chronic obstructive pulmonary disease.
Smith JR, Van Iterson EH, Johnson BD, Borlaug BA, Olson TP. Smith JR, et al. Int J Cardiol. 2019 Jan 1;274:232-236. doi: 10.1016/j.ijcard.2018.09.007. Epub 2018 Sep 5. Int J Cardiol. 2019. PMID: 30201380 Free PMC article.
METHODS: Patients with HFpEF (n = 21), HFrEF (n = 20), and COPD (n = 22) patients performed cardiopulmonary exercise testing to volitional fatigue. ...All data from rest to peak exercise were used to calculate V̇(E)/V̇CO(2) slope and V̇(E) intercept using lin …
METHODS: Patients with HFpEF (n = 21), HFrEF (n = 20), and COPD (n = 22) patients performed cardiopulmonary exercise testing t …
Left Atrial Function Dynamics During Exercise in Heart Failure: Pathophysiological Implications on the Right Heart and Exercise Ventilation Inefficiency.
Sugimoto T, Bandera F, Generati G, Alfonzetti E, Bussadori C, Guazzi M. Sugimoto T, et al. JACC Cardiovasc Imaging. 2017 Oct;10(10 Pt B):1253-1264. doi: 10.1016/j.jcmg.2016.09.021. Epub 2016 Dec 21. JACC Cardiovasc Imaging. 2017. PMID: 28017395 Free article.
OBJECTIVES: The hypothesis of this study was that left atrial (LA) dynamic impairment during exercise may trigger right ventricular (RV)-to-pulmonary circulation (PC) uncoupling and ventilation inefficiency. ...They underwent cardiopulmonary exercis
OBJECTIVES: The hypothesis of this study was that left atrial (LA) dynamic impairment during exercise may trigger right ventricular ( …
Ventilatory response to exercise in cardiopulmonary disease: the role of chemosensitivity and dead space.
Weatherald J, Sattler C, Garcia G, Laveneziana P. Weatherald J, et al. Eur Respir J. 2018 Feb 7;51(2):1700860. doi: 10.1183/13993003.00860-2017. Print 2018 Feb. Eur Respir J. 2018. PMID: 29437936 Free article. Review.
The lungs and heart are irrevocably linked in their oxygen (O(2)) and carbon dioxide (CO(2)) transport functions. Functional impairment of the lungs often affects heart function and vice versa The steepness with which ventilation (V'(E)) rises with respect to CO(2) …
The lungs and heart are irrevocably linked in their oxygen (O(2)) and carbon dioxide (CO(2)) transport functions. Functional impairme …
Emphysema on Thoracic CT and Exercise Ventilatory Inefficiency in Mild-to-Moderate COPD.
Jones JH, Zelt JT, Hirai DM, Diniz CV, Zaza A, O'Donnell DE, Neder JA. Jones JH, et al. COPD. 2017 Apr;14(2):210-218. doi: 10.1080/15412555.2016.1253670. Epub 2016 Dec 20. COPD. 2017. PMID: 27997255
Ventilatory inefficiency was assessed by the ventilation ([Formula: see text]E)/CO(2) output ([Formula: see text]CO(2)) nadir. ...Ventilation "wasted" in emphysematous areas is associated with impaired exercise ventilatory efficiency in mild-to-moderat …
Ventilatory inefficiency was assessed by the ventilation ([Formula: see text]E)/CO(2) output ([Formula: see text]CO(2)) nadir. …
Abnormalities in cardiopulmonary exercise testing ventilatory parameters in heart failure: pathophysiology and clinical usefulness.
Guazzi M. Guazzi M. Curr Heart Fail Rep. 2014 Mar;11(1):80-7. doi: 10.1007/s11897-013-0183-3. Curr Heart Fail Rep. 2014. PMID: 24408786 Review.
Out of several markers of severity, abnormalities in exercise ventilation (VE) offer relevant insights into the pathophysiology of dyspnea, lung gas exchange, and control of ventilation and are now recognized as meaningful indicators of disease severity and p …
Out of several markers of severity, abnormalities in exercise ventilation (VE) offer relevant insights into the pathophysiolog …
Exercise ventilation inefficiency and cardiovascular mortality in heart failure: the critical independent prognostic value of the arterial CO2 partial pressure.
Guazzi M, Reina G, Tumminello G, Guazzi MD. Guazzi M, et al. Eur Heart J. 2005 Mar;26(5):472-80. doi: 10.1093/eurheartj/ehi060. Epub 2004 Dec 14. Eur Heart J. 2005. PMID: 15618042
METHODS AND RESULTS: One hundred and twenty-eight stable CHF patients (average left ventricular ejection fraction 34+/-10%) underwent cardiopulmonary exercise testing and blood gas analysis. ...CONCLUSION: These findings imply that regulatory mechanisms involved in …
METHODS AND RESULTS: One hundred and twenty-eight stable CHF patients (average left ventricular ejection fraction 34+/-10%) underwent car
Severe hyperkyphosis reduces the aerobic capacity and maximal exercise tolerance in patients with Scheuermann disease.
Lorente A, Barrios C, Lorente R, Tamariz R, Burgos J. Lorente A, et al. Spine J. 2019 Feb;19(2):330-338. doi: 10.1016/j.spinee.2018.07.002. Epub 2018 Jul 17. Spine J. 2019. PMID: 30025996
Heart rate, oxygen saturation (SatO(2)), maximum oxygen uptake (VO(2) max), quotient between ventilation and volume of exhaled carbon dioxide (VE/CO(2)), respiratory exchange rate (RER), ventilatory capacity at maximal exercise (VEmax), and test durati …
Heart rate, oxygen saturation (SatO(2)), maximum oxygen uptake (VO(2) max), quotient between ventilation and volume of …
A method for determining exercise oscillatory ventilation in heart failure: Prognostic value and practical implications.
Vainshelboim B, Amin A, Christle JW, Hebbal S, Ashley EA, Myers J. Vainshelboim B, et al. Int J Cardiol. 2017 Dec 15;249:287-291. doi: 10.1016/j.ijcard.2017.09.028. Epub 2017 Sep 14. Int J Cardiol. 2017. PMID: 28918895
BACKGROUND: Exercise oscillatory ventilation (EOV) has been shown to be a powerful prognostic marker in chronic heart failure (CHF). ...METHODS: Eighty-nine CHF patients (56.5±8.4years) (64% NYHA class III-IV) underwent cardiopulmonary exercise testing …
BACKGROUND: Exercise oscillatory ventilation (EOV) has been shown to be a powerful prognostic marker in chronic heart failure …
Effect of exercise training on ventilatory efficiency in patients with heart disease: a review.
Prado DM, Rocco EA, Silva AG, Rocco DF, Pacheco MT, Furlan V. Prado DM, et al. Braz J Med Biol Res. 2016 Jun 20;49(7):e5180. doi: 10.1590/1414-431X20165180. Braz J Med Biol Res. 2016. PMID: 27332771 Free PMC article. Review.
During exercise, efficient pulmonary gas exchange is characterized by uniform matching of lung ventilation with perfusion. By contrast, mismatching is marked by inefficient pulmonary gas exchange, requiring increased ventilation for a given CO2 product …
During exercise, efficient pulmonary gas exchange is characterized by uniform matching of lung ventilation with perfusion. By …
Effect of prehabilitation on ventilatory efficiency in non-small cell lung cancer patients: A cohort study.
Gravier FE, Bonnevie T, Boujibar F, Médrinal C, Prieur G, Combret Y, Muir JF, Cuvelier A, Baste JM, Debeaumont D. Gravier FE, et al. J Thorac Cardiovasc Surg. 2019 Jun;157(6):2504-2512.e1. doi: 10.1016/j.jtcvs.2019.02.016. Epub 2019 Feb 19. J Thorac Cardiovasc Surg. 2019. PMID: 30982587
OBJECTIVE: Cardiopulmonary exercise testing (CPET) for patients awaiting lung resection for non-small cell lung cancer (NSCLC) has developed considerably in recent years. Pulmonary rehabilitation before surgery (prehabilitation) improves postoperative risk factors s …
OBJECTIVE: Cardiopulmonary exercise testing (CPET) for patients awaiting lung resection for non-small cell lung cancer (NSCLC) …
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