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Clinician’s Guide to Cardiopulmonary Exercise Testing in Adults: A Scientific Statement From the American Heart Association
Open accessAbstract
Arteriovenous oxygen difference EOB Exercise oscillatory breathing FECO 2 Fraction of carbon dioxide in expired air FEO 2 Fraction of oxygen in expired air FEV 1 Forced expiratory volume in 1 second MET Metabolic equivalent MVV Maximum voluntary ventilation O 2 Oxygen OUES Oxygen-uptake efficiency slope P ET CO 2 Partial pressure of end-tidal carbon dioxide P ET O 2 Partial pressure of end-tidal oxygen RER Respiratory exchange ratio V ˙CO 2 Carbon dioxide output VD Volume of dead space V ˙E Minute ventilation V ˙E/V ˙CO 2 Ventilatory equivalent of carbon dioxide V ˙E/V ˙O2 Ventilatory equivalent of oxygen V ˙O2 Oxygen uptake VT Ventilatory threshold 192
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“Cardiologists have tended to regard peak V˙o2 as a particularly valuable index for heart function because V˙o2 can be applied as a proxy for cardiac output,8 and this is most commonly used as part of heart failure (HF) management.”
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Self-citationRelationship of HIV Status and Fatigue, Cardiorespiratory Fitness, Myokines, and Physical Activity
Webel, A. R., Jenkins, T. L., Longenecker, C. T., Vest, M., Davey, C. H., Currie, J., Darrah, R. J., Litman, P., Oliveira, V. H. F., & Josephson, R. (2019) · Journal of the Association of Nurses in AIDS Care · doi:10.1097/jnc.0000000000000022 · Cited by 10
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“It is possible that physical activity partly explains observed associations as VT has been found to be more sensitive to exercise training than V̇O2max (Balady et al., 2010; Stringer, 2010).”
BackgroundWagner, J., Knaier, R., Königstein, K., Klenk, C., Carrard, J., Lichtenstein, E., Scharnagl, H., März, W., Hanssen, H., Hinrichs, T., et al. (2020) · Frontiers in Physiology · doi:10.3389/fphys.2020.596240 · Cited by 11
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Ministro, G., Castaño, J. B., Barboza, C. D. A., Moura, E. G., Ferreira‐Melo, S. E., Mostarda, C. T., Fattori, A., Moreno, H., & Rodrigues, B. (2021) · Respiratory Physiology & Neurobiology · doi:10.1016/j.resp.2021.103830 · Cited by 9
Heileson, J. L., Papadakis, Z., Ismaeel, A., Richardson, K. A., Torres, R. E., Funderburk, L., Gallucci, A. R., Koutakis, P., & Forsse, J. S. (2022) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph19095758 · Cited by 12
Shah, R. V., Miller, P., Colangelo, L. A., Chernofsky, A., Houstis, N. E., Malhotra, R. K., Velagaleti, R. S., Jacobs, D. R., Gabriel, K. P., Reis, J. P., et al. (2022) · Journal of the American Heart Association · doi:10.1161/jaha.122.026670 · Cited by 9
“10 However, CPET requires specialized equipment, trained personnel, and interpretation expertise, limiting its widespread implementation.”
Lee, K., Jung, J., Kwon, W., Ohn, C., Lee, M., Kim, D., Kim, T., Park, M., & Cho, J. S. (2023) · International Journal of Cardiology · doi:10.1016/j.ijcard.2023.05.038 · Cited by 9
Prognostic Value of Cardiopulmonary Exercise Testing in Cardiac Patients With Atrial Fibrillation
Tsuneoka, H., Koike, A., Nagayama, O., Sakurada, K., Kato, J., Sato, A., Yamashita, T., & Aonuma, K. (2012) · International Heart Journal · doi:10.1536/ihj.53.102 · Cited by 9
Cardiopulmonary Exercise Test in Chronic Heart Failure: Beyond Peak Oxygen Consumption
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Self-citationDecreased Tidal Volume May Limit Cardiopulmonary Performance During Exercise in Subacute Stroke
Sisante, J.-F. V., Mattlage, A. E., Arena, R. A., Rippee, M. A., & Billinger, S. A. (2015) · Journal of Cardiopulmonary Rehabilitation and Prevention · doi:10.1097/hcr.0000000000000119 · Cited by 9
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“Multiple reports support the application of cardiopulmonary exercise testing (CPX) as a gauge of functional capacity and disease severity in systolic heart failure (HF) patients.(1,2) Pertinent gas exchange indices are collected during exercise, but with relatively less attention focused on gas exchange assessments du…”
BackgroundSelf-citationMarcucci, R., Gori, A. M., Bürgisser, C., Francini, S., Roberts, A. T., Sofi, F., Gensini, G. F., Abbate, R., Fattirolli, F., & Cesari, F. (2014) · Thrombosis and Haemostasis · doi:10.1160/th13-10-0869 · Cited by 9
“The exercise protocol was determined by the age and general fitness of the patient, and varied from 10 Watt work load increments every 1 min to 25 Watt every 2 min (25, 26).”
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Reproducibility of Anaerobic and Pain Thresholds in Male Patients With Intermittent Claudication
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Commonly used reference values underestimate oxygen uptake in healthy, 50‐year‐old Swedish women
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“Published by John Wiley & Sons Ltd 38, 1, 25–33 excellent effort (ATS/ACCP, 2003; Balady et al., 2010; Paap & Takken, 2014).”
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“Participants performed an incremental ramp-based CPET to volitional exhaustion on an electronically braked cycle ergometer (eBike ergometer, GE Healthcare, Freiburg, Germany) according to standard guidelines [25].”
MethodTakayanagi, Y., Koike, A., Nagayama, O., Nagamine, A., Qin, R., Kato, J., Nishi, I., Himi, T., Kato, Y., Sato, A., et al. (2017) · Journal of Cardiology · doi:10.1016/j.jjcc.2017.03.012 · Cited by 9
Moneghetti, K. J., Kobayashi, Y., Christle, J. W., Ariyama, M., Vrtovec, B., Kuznetsova, T., Wilson, A., Ashley, E. A., Wheeler, M. T., Myers, J., et al. (2017) · Echocardiography · doi:10.1111/echo.13623 · Cited by 9
“05) and rating of perceived exertion (6-20) of >16 were used to determine peak effort.”
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Jensen, S. B. K., Fiorenza, M., Juhl, C. R., Sandsdal, R. M., Jensen, E., Seier, S. S., Janus, C., Jørgensen, J. R., Blond, M. B., Holst, J. J., et al. (2026) · Sports Medicine · doi:10.1007/s40279-025-02386-0 · Cited by 9
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de la Guía-Galipienso, F., Palau, P., Senén, A. B., Pérez-Quilis, C., Christle, J. W., MYERS, J. N., Haddad, F., Baggish, A. L., D’Ascenzi, F., Lavie, C. J., et al. (2024) · Progress in Cardiovascular Diseases · doi:10.1016/j.pcad.2024.03.001 · Cited by 9
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“Assessment of patient’s exertional capacity may support exercise prescription and provide insights into HF severity 6 and this can be performed with the measurement of VO 2peak , reflecting the cardiopulmonary system’s capacity during exercise.”
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“During the whole exercise process, the testers should closely monitor the status of the participants 13 .”
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Novel application of Poincaré analysis to detect and quantify exercise oscillatory ventilation
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Punta, L. D., Biase, N. D., Balletti, A., Filidei, F., Pieroni, A., Armenia, S., Mengozzi, A., Mazzola, M., Fiore, V. D., Dini, F. L., et al. (2022) · High Blood Pressure & Cardiovascular Prevention · doi:10.1007/s40292-021-00494-2 · Cited by 8
“CPET can detect impairment in aerobic metabolism by evaluating the anaerobic threshold (AT), which identifies the physiological switch to mainly anaerobic metabolism [72].”
BackgroundPractices and Procedures in Clinical Pediatric Exercise Laboratories in North America
Teson, K. M., Watson, J. S., Mays, W. A., Knecht, S. K., Curran, T., Rebovich, P., Williams, D. D., Paridon, S. M., & White, D. A. (2022) · Pediatric Exercise Science · doi:10.1123/pes.2021-0149 · Cited by 8
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“The cardiopulmonary exercise test (CPx) is a gold-standard method for V̇O2max determination that reflects an integration of metabolic and physiological systems until volitional exhaustion (Balady et al., 2010).”
BackgroundMethodZhang, S., Liu, Y., Jiang, L., Wang, Z., Liu, W., & Zuo, H. (2022) · Journal of Cardiovascular Development and Disease · doi:10.3390/jcdd10010010 · Cited by 8
“75) × S], where T is the time of incremental exercise and S is the slope of work rate incremental in watts per minute [22].”
BackgroundPredicting VO2max in competitive cyclists: Is the FRIEND equation the optimal choice?
Jurov, I., Cvijić, M., & Toplišek, J. (2023) · Frontiers in Physiology · doi:10.3389/fphys.2023.987006 · Cited by 10
“Since competitive athletes do not exhibit comparable average VO2max values as trained adults (Balady et al., 2010), this study aimed to assess the most suitable equation for predicting VO2max in competitive cyclists.”
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Hypertension in Special Populations: Athletes
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Ventilatory threshold is related to walking tolerance in patients with intermittent claudication
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“1 (Table 2), indicating that a peak effort had been reached (Balady et al. 2010).”
BackgroundKörperliches Training bei Herzinsuffizienz
Edelmann, F., & Pieske, B. M. (2013) · Herz · doi:10.1007/s00059-013-3918-8 · Cited by 8
A method for predicting peak work rate for cycle ergometer and treadmill ramp tests
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“Additionally, subjects may terminate the tests because of muscle fatigue or orthopaedic factors rather than cardiopulmonary end points (Balady et al., 2010).”
BackgroundSperling, M. P. R., Simões, R. P., Caruso, F., Mendes, R. G., Arena, R. A., & Borghi‐Silva, A. (2016) · Brazilian Journal of Physical Therapy · doi:10.1590/bjpt-rbf.2014.0165 · Cited by 8
Self-citationExercise Oscillatory Ventilation
Brawner, C. A., Ehrman, J. K., MYERS, J. N., Chase, P. J., Vainshelboim, B., FARHA, S., Saval, M. A., McGuire, R., Pozehl, B., & Keteyian, S. J. (2017) · Medicine & Science in Sports & Exercise · doi:10.1249/mss.0000000000001423 · Cited by 8
“Since the seminal study by Mancini and colleagues (5) in which they showed the prognostic significance of low peak oxygen uptake (V̇O2) in patients with compensated HF awaiting heart transplant, several other measures from the CPET have been shown to be related to prognosis in these patients (1,2,4,6).”
Self-citationVentilatory efficiency and aerobic capacity in people with multiple sclerosis: A randomized study
Riksfjord, S. M., Brændvik, S. M., Røksund, O. D., & Aamot, I. (2017) · SAGE Open Medicine · doi:10.1177/2050312117743672 · Cited by 8
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Elshazly, M. B., Wilkoff, B. L., Tarakji, K. G., Wu, Y., Donnellan, E., Khalil, C. A., Asaad, N., Jaber, W. A., Wazni, O. M., & Cho, L. (2021) · Circulation Heart Failure · doi:10.1161/circheartfailure.120.007451 · Cited by 8
Cardiopulmonary Exercise Testing in Combined Pulmonary Fibrosis and Emphysema
Westhoff, M., Litterst, P., & Ewert, R. (2021) · Respiration · doi:10.1159/000513848 · Cited by 8
Bertrand, É., Caru, M., Lemay, V., Andelfinger, G., Laverdière, C., Krajinović, M., Sinnett, D., & Curnier, D. Y. (2021) · Pediatric Hematology and Oncology · doi:10.1080/08880018.2021.1894279 · Cited by 8
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The validation of oxygen uptake efficiency slope in patients with stroke
Han, S.-C., Fu, T., Hsu, C., Huang, S., Lin, H.-Y., & Wang, J. (2021) · Medicine · doi:10.1097/md.0000000000027384 · Cited by 8
“with the V-slope method, defined as the point at which a linear relationship between VCO2 and VO2 is lost ([18,19]); oxygen uptake efficiency slope (OUES): derived from the slope of the natural logarithm plot of VE (l/min) vs VO2(ml/min), which indicates the constant representing the rate at which oxygen consumption i…”
MethodSakai, Y., Chen, C., Toyomaki, A., Hashimoto, N., Kitagawa, K., Inoue, T., Sato, A., Makihara, K., Kameyama, R., Wakatsuki, Y., et al. (2021) · Frontiers in Behavioral Neuroscience · doi:10.3389/fnbeh.2021.787688 · Cited by 8
Busque, V., MYERS, J. N., Arena, R. A., Kaminsky, L. A., & Peterman, J. E. (2022) · Medicine & Science in Sports & Exercise · doi:10.1249/mss.0000000000002985 · Cited by 8
“Copyright © 2022 by the American College of Sports Medicine and DBP, and peak RER were recorded according to published standards (22).”
MethodSelf-citationCoronary stenosis is a risk marker for impaired cardiac function on cardiopulmonary exercise test
Li, S., Yuan, Y., Zhao, L., Lv, T., She, F., Liu, F., Xue, Y., Zhou, B., Xie, Y., Geng, Y., et al. (2022) · BMC Cardiovascular Disorders · doi:10.1186/s12872-022-02935-9 · Cited by 8
“10 or HR peak ⩾ 85% predicted HR peak [22].”
BackgroundMethodSilverii, M. V., Argirò, A., Baldasseroni, S., Fumagalli, C., Zampieri, M., Guerrieri, L., Bartolini, S., Mazzoni, C., Bürgisser, C., Tomberli, A., et al. (2022) · Internal and Emergency Medicine · doi:10.1007/s11739-022-03125-3 · Cited by 8
Boulmpou, A., Teperikidis, E., Papadopoulos, C. E., Patoulias, D., Charalampidis, P. E., Mouselimis, D., Tsarouchas, A., Boutou, A., Giannakoulas, G., & Vassilikos, V. P. (2022) · Acta cardiologica. Supplementum · doi:10.1080/00015385.2022.2148894 · Cited by 8
Arena, R. A., Guazzi, M., MYERS, J. N., Chase, P. J., Bensimhon, D., Cahalin, L. P., Peberdy, M. A., Ashley, E. A., West, E., & Forman, D. E. (2011) · International Journal of Cardiology · doi:10.1016/j.ijcard.2011.09.072 · Cited by 8
“Exercise oscillatory ventilation (EOV) has garnered great attention in recent years, demonstrating a robust ability to predict increased risk for adverse events and reflect disease severity [5,6].”
BackgroundSelf-citationZimarino, M., Barnabei, L., Madonna, R., Palmieri, G., Radico, F., Tatasciore, A., Bellisarii, F. I., Perrucci, G. M., Corazzini, A., & Caterina, R. D. (2012) · International Journal of Cardiology · doi:10.1016/j.ijcard.2012.12.007 · Cited by 8
“The better ability of treadmill protocols to obtain higher workloads and consequently induce a greater and more easily detectable degree of myocardial ischemia [11,21] might at least partially explain the higher sensitivity of the ST/HR hysteresis compared with”
BackgroundPhysiology and Clinical Applications of Cardiopulmonary Exercise Testing in Lung Cancer Surgery
Voduc, N. (2013) · Thoracic surgery clinics/Thorac. surg. clin. · doi:10.1016/j.thorsurg.2013.01.005 · Cited by 8
Richter, M. J., Pader, P., Gall, H. J., Reichenberger, F., Seeger, W., Mayer, E., Guth, S., Kramm, T., Grimminger, F., Ghofrani, H. A., et al. (2015) · The Clinical Respiratory Journal · doi:10.1111/crj.12399 · Cited by 9
“The limited exercise capacity was shown by means of a reduced peak VO2 and VO2@AT during CPET.”
MethodInfluentialCasillas, J.-M., Joussain, C., Grémeaux, V., Hannequin, A., Rapin, A., Laurent, Y., & Benaïm, C. (2014) · Clinical Rehabilitation · doi:10.1177/0269215514540922 · Cited by 8
Clinical assessment before hepatectomy identifies high-risk patients
Ulyett, S., Wiggans, M. G., Bowles, M. J., Aroori, S., Briggs, C. D., Erasmus, P., Minto, G., & Stell, D. A. (2015) · Journal of Surgical Research · doi:10.1016/j.jss.2015.05.044 · Cited by 8
“[9] Balady GJ, Arena R, Sietsema K, et al.”
BackgroundKim, K., Kim, H., Hwang, I., Lee, S., Cho, H., Kang, H., Kim, Y.-J., & Sohn, D. (2013) · Trials · doi:10.1186/1745-6215-14-188 · Cited by 8
“CPET and combined exercise echocardiography will be performed on a stationary cycle ergometer, since echocardiography should be performed at peak exercise [19].”
Carvalho, L., Brandão, D. C., Campos, S. L., Vidal, T. M. D. S., de Aguiar, M. I. R., Martins, S. M., & de Andrade, A. D. (2016) · Archives of Physical Medicine and Rehabilitation · doi:10.1016/j.apmr.2016.09.129 · Cited by 9
Ozemek, C., & Arena, R. A. (2017) · Revista Española de Cardiología (English Edition) · doi:10.1016/j.rec.2017.08.012 · Cited by 8
“This is in line with epidemiologic characterization studies of HFpEF patients, who have been identified to be older and to consist of a higher proportion of women than patients with HFrEF.”
MethodInfluentialSelf-citationNakou, E. S., Marketou, M. E., CHLOUVERAKIS, G. I., Patrianakos, A. P., Vardas, P. E., & PARTHENAKIS, F. I. (2018) · Clinical Cardiology · doi:10.1002/clc.23099 · Cited by 8
Assessment for Exercise Prescription in Heart Failure
Guazzi, M. (2015) · Cardiac failure review · doi:10.15420/cfr.2015.01.01.46 · Cited by 8
Self-citationRoerink, S. H. P. P., Cocks, M. S., Wagenmakers, M. A. E. M., Rodighiero, R. P., Strauss, J. A., Shepherd, S. O., Plantinga, T. S., Thijssen, D. H. J., Hopman, M. T. E., Pereira, A. M., et al. (2019) · The Journal of Clinical Endocrinology & Metabolism · doi:10.1210/clinem/dgz286 · Cited by 8
Bizjak, D. A., Schulz, S. V. W., Schümann, U., Otto, S., Kirsten, J., Ebner, F. K., Leinert, E., Huober, J., Janni, W., & Steinacker, J. M. (2020) · Cancers · doi:10.3390/cancers12061526 · Cited by 8
“A bicycle cardiopulmonary exercise test was completed according to international standards to determine VO2peak for HIT training load [49].”
MethodAlmeida, I. D. S., Andrade, L. D. S., Mochizuki, L., Sousa, C. V., Neto, J. H. F., Kennedy, M. D., Maciel, L. A., Durigan, J. L. Q., & Mota, Y. L. (2020) · Sport Sciences for Health · doi:10.1007/s11332-020-00676-w · Cited by 8
VO2peak prior to transplant differentiates survival post kidney transplant
Chakkera, H. A., Kaplan, B. E., Budhiraja, P., Behmen, S., Fitz‐Patrick, D., & Butterfield, R. J. (2021) · Clinical Transplantation · doi:10.1111/ctr.14517 · Cited by 8
“Median (Range) 45 (1,100) Type of dialysis (at baseline) None 111 (37.”
BackgroundEquipment, measurements and quality control
Pórszász, J., Stringer, W. W., & Casaburi, R. H. (2018) · European Respiratory Society eBooks · doi:10.1183/2312508x.10011117 · Cited by 8
Kurpaska, M., Krzesiński, P., Gielerak, G. G., Gołębiewska, K., & Piotrowicz, K. (2022) · BMC Sports Science Medicine and Rehabilitation · doi:10.1186/s13102-022-00527-w · Cited by 8
“Each patient underwent maximum CPET, which was stopped if severe symptoms (fatigue, dyspnea) appeared or at the patient’s request [16].”
BackgroundOllila, L., Heliö, T. M., Sovijärvi, A. R., Jalanko, M., Kaartinen, M., Kuusisto, J., Kärkkäinen, S., Jurkko, R., Reissell, E., Palojoki, E., et al. (2015) · Clinical Physiology and Functional Imaging · doi:10.1111/cpf.12260 · Cited by 8
“Ventilatory anaerobic threshold was assessed at the slope change of _VCO2 exceeding _VO2, increase of _VE/ _VO2 compared to _VE/ _VCO2 and increase of PetO2 versus PetCO2 (partial pressures of O2 and CO2 in expiratory air) (Balady et al., 2010).”
BackgroundMethodPeres, A., da Silva, I. M., Santos, M. A., Beretta, Â. C. D. L., de Andrade, V. M., Romão, P. R. T., & Dorneles, G. P. (2020) · European Journal of Sport Science · doi:10.1080/17461391.2020.1801850 · Cited by 8
“Participants performed Cardiopulmonary exercise testing (CPX) on an electric treadmill (Centurion 300, Micromed, Brazil) using a ramp protocol (Balady et al., 2010).”
MethodBoutou, A., Pitsiou, G., & Argyropoulou, P. (2014) · Respirology · doi:10.1111/resp.12321 · Cited by 8
Guazzi, M., & Arena, R. A. (2012) · European Heart Journal · doi:10.1093/eurheartj/ehs319 · Cited by 8
Self-citationExercise Stress Echocardiography in Degenerative Mitral Regurgitation
Lancellotti, P., & Garbi, M. (2018) · Circulation Cardiovascular Imaging · doi:10.1161/circimaging.118.008263 · Cited by 8
Ramos, S. V., Distéfano, G., Lui, L., Cawthon, P. M., Kramer, P. A., SIPULA, I. J., Bello, F. M., Mau, T., Jurczak, M. J., Molina, A. J. A., et al. (2024) · Diabetes · doi:10.2337/db23-0827 · Cited by 7
Cui, M., Wei, Q., Li, Y., Liu, M., Sun, L., Liu, X., Chen, Z., Fang, H., Liu, L., Fu, J., et al. (2024) · Frontiers in Public Health · doi:10.3389/fpubh.2024.1369675 · Cited by 7
“…recommended by the American College of Cardiology (ACC) and the American College of Sports Medicine (ACSM), the cardiopulmonary exercise test in this study utilized a graded ascending exercise protocol (Ramp protocol), with a total exercise test time expected to fall within 8–12 min (19, 20).”
MethodVendrusculo, F. M., da Costa, G. A., Bagatini, M. A., Lemes, B. M. H. M., Faria, C. A., de Oliveira, L. C., Aquino, E. D. S., & Donadio, M. V. F. (2024) · Pediatric Investigation · doi:10.1002/ped4.12436 · Cited by 7
Leung, C. K., Bernal, J. D. K., Yu, A. P., Recchia, F., Tam, B. T., Fong, D., Chan, D. K. C., Ngai, H. H. Y., Lee, C., Yung, P. S., et al. (2024) · Journal of Exercise Science & Fitness · doi:10.1016/j.jesf.2024.05.001 · Cited by 9
Phang, H. J., Heimler, S., Scandalis, L., Wing, D., Moran, R. J., Nichols, J. F., Moreno, D., Shadel, G. S., Gage, F. H., & Molina, A. J. A. (2024) · BMJ Open · doi:10.1136/bmjopen-2023-082659 · Cited by 7
“27 28 Indirect calorimetry remains the gold-standard method for assessing Peak VO 2 .”
MethodBrenner, S., & Güder, G. (2014) · Herz · doi:10.1007/s00059-014-4057-6 · Cited by 7
Mahmoud, A. M., da Silva, A. L. G., André, L. D., Hwang, C.-L., Severin, R. S., Sanchez-Johnsen, L., Borghi‐Silva, A., Elokda, A., Arena, R. A., & Phillips, S. A. (2022) · American Journal of Physical Medicine & Rehabilitation · doi:10.1097/phm.0000000000001946 · Cited by 7
Self-citationVieira, M. C., Mendes, F. D. S. N. S., da Silva, P. S., da Silva, G. M. S., Mazzoli‐Rocha, F., de Sousa, A. S., Saraiva, R. M., Quintana, M. D. S. B., Costa, H. S., Paravidino, V. B., et al. (2022) · PLoS ONE · doi:10.1371/journal.pone.0279086 · Cited by 7
Cardiopulmonary exercise testing criteria for advanced therapies in patients with heart failure
Brawner, C. A., & Lazar, M. H. (2023) · Heart Failure Reviews · doi:10.1007/s10741-023-10337-y · Cited by 10
Metadata
- Authors
- Balady, G. J., Arena, R., Sietsema, K., Myers, J., Coke, L., Fletcher, G. F., Forman, D., Franklin, B., Guazzi, M., Gulati, M., Keteyian, S. J., Lavie, C. J., Macko, R., Mancini, D., Milani, R. V., Council on Epidemiology and Prevention, Council on Peripheral Vascular Disease, & Interdisciplinary Council on Quality of Care and Outcomes Research
- Affiliations
- IRCCS Policlinico San Donato (IT)
- ORCID
- Venue
- Circulation
- Published
- 2010-07-13
- Volume
- 122
- Issue
- 2
- Pages
- 191-225
- ISSN
- 0009-7322 (ISSN-L)
- 1524-4539
- OpenAlex
- W2074602210
- Cited by
- 1,964
- References
- 255
- Citations by year
- 2026: 148 · 2025: 128 · 2024: 177 · 2023: 138 · 2022: 156 · 2021: 150 · 2020: 138 · 2019: 139 · 2018: 125 · 2017: 140 · 2016: 122 · 2015: 90 · 2014: 100 · 2013: 78 · 2012: 70
- FWCI
- 177.95
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Circulation (publishedVersion)
- PubMed (publishedVersion)
- Funders
- U.S. Department of Veterans Affairs (IK6 RX002477)
- Topics
- Health Sciences › Medicine › Physiology (medical) › Cardiovascular and exercise physiology
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Chronic Obstructive Pulmonary Disease (COPD) Research
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Physical Activity and Health
- Keywords
- cardiopulmonary exercise testing, oxygen consumption, ventilatory threshold, oxygen uptake efficiency slope, respiratory exchange ratio, ventilatory equivalents, end-tidal carbon dioxide, end-tidal oxygen, arteriovenous oxygen difference, carbon dioxide output, dead space, forced expiratory volume, metabolic equivalents, maximal voluntary ventilation, adults
- MeSH terms
- Adult, American Heart Association, Cardiovascular Diseases, Exercise Test, Female, Humans, Lung Diseases, Male, United States
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