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Estimated peak functional capacity: an accurate method for assessing change in peak oxygen consumption after cardiac rehabilitation? (2017)
Journal Article
Nichols, S., Gleadall-Siddall, D. O., Antony, R., Clark, A. L., Cleland, J. G. F., Carroll, S., & Ingle, L. (2018). Estimated peak functional capacity: an accurate method for assessing change in peak oxygen consumption after cardiac rehabilitation?. Clinical physiology and functional imaging, 38(4), 681-688. https://doi.org/10.1111/cpf.12468

Summary Objective Cardiopulmonary exercise testing (CPET) is the ‘gold standard’ method of determining VO2peak. When CPET is unavailable, VO2peak may be estimated from treadmill or cycle ergometer workloads and expressed as estimated metabolic equiva... Read More about Estimated peak functional capacity: an accurate method for assessing change in peak oxygen consumption after cardiac rehabilitation?.

Influence of step length on 6-minute walk test performance in patients with chronic heart failure (2011)
Journal Article
Pepera, G. K., Sandercock, G. R., Sloan, R., Cleland, J. J., Ingle, L., & Clark, A. L. (2012). Influence of step length on 6-minute walk test performance in patients with chronic heart failure. Physiotherapy, 98(4), 325-329. https://doi.org/10.1016/j.physio.2011.08.005

Objective: To investigate the influence of gait parameters including step length and walking speed during performance of the 6-minute walking test (6MWT) in patients with chronic heart failure (CHF). Design: Observational study. Setting: Specialist h... Read More about Influence of step length on 6-minute walk test performance in patients with chronic heart failure.

Prognostic significance of different measures of the ventilation-carbon dioxide relation in patients with suspected heart failure (2011)
Journal Article
Ingle, L., Sloan, R., Carroll, S., Goode, K., Cleland, J. G., & Clark, A. L. (2011). Prognostic significance of different measures of the ventilation-carbon dioxide relation in patients with suspected heart failure. European journal of heart failure, 13(5), 537-542. https://doi.org/10.1093/eurjhf/hfq238

Aims We studied the prognostic significance of the ventilatory equivalent of carbon dioxide production (VEqCO 2 ) at different time-points of a maximal cardiopulmonary exercise test (CPET) in patients with suspected heart failure (HF). Methods and... Read More about Prognostic significance of different measures of the ventilation-carbon dioxide relation in patients with suspected heart failure.

Experiences of air travel in patients with chronic heart failure (2011)
Journal Article
Ingle, L., Hobkirk, J., Damy, T., Nabb, S., Clark, A. L., & Cleland, J. G. (2012). Experiences of air travel in patients with chronic heart failure. International journal of cardiology, 158(1), (66-70). doi:10.1016/j.ijcard.2010.12.101. ISSN 0167-5273

AIM: To conduct a survey in a representative cohort of ambulatory patients with stable, well managed chronic heart failure (CHF) to discover their experiences of air travel. METHODS: An expert panel including a cardiologist, an exercise scientist, an... Read More about Experiences of air travel in patients with chronic heart failure.

Impact of different diagnostic criteria on the prevalence and prognostic significance of exertional oscillatory ventilation in patients with chronic heart failure (2009)
Journal Article
Ingle, L., Isted, A., Witte, K. K., Cleland, J. G., & Clark, A. L. (2009). Impact of different diagnostic criteria on the prevalence and prognostic significance of exertional oscillatory ventilation in patients with chronic heart failure. European journal of cardiovascular prevention and rehabilitation, 16(4), 451-456. https://doi.org/10.1097/HJR.0b013e32832a4f54

INTRODUCTION: Exertional oscillatory ventilation (EOV) occurs in many patients with chronic heart failure. Two different definitions of EOV have been proposed by Corrá and Leite. We aimed to compare the prevalence of EOV and its prognostic significan... Read More about Impact of different diagnostic criteria on the prevalence and prognostic significance of exertional oscillatory ventilation in patients with chronic heart failure.

The prognostic value of individual NT-proBNP values in chronic heart failure does not change with advancing age (2009)
Journal Article
Frankenstein, L., Clark, A. L., Goode, K., Ingle, L., Remppis, A., Schellberg, D., …Zugck, C. (2009). The prognostic value of individual NT-proBNP values in chronic heart failure does not change with advancing age. Heart, 95(10), 825-829. https://doi.org/10.1136/hrt.2008.158626

Background: It is unclear whether age-related increases in N-terminal pro-brain natriuretic peptide (NT-proBNP) represent a normal physiological process - possibly affecting the prognostic power - of NT-proBNP - or reflect age-related subclinical pat... Read More about The prognostic value of individual NT-proBNP values in chronic heart failure does not change with advancing age.

Perception of symptoms is out of proportion to cardiac pathology in patients with "diastolic heart failure" (2008)
Journal Article
Ingle, L., Cleland, J. G., & Clark, A. L. (2008). Perception of symptoms is out of proportion to cardiac pathology in patients with "diastolic heart failure". Heart, 94(6), 748-753. https://doi.org/10.1136/hrt.2007.131144

Background: Epidemiological studies suggest that "diastolic heart failure" (DHF) is common and has a prognosis similar to that of systolic heart failure (SHF). We wanted to assess whether patients with breathlessness who were being treated for DHF ha... Read More about Perception of symptoms is out of proportion to cardiac pathology in patients with "diastolic heart failure".

Combining the ventilatory response to exercise and peak oxygen consumption is no better than peak oxygen consumption alone in predicting mortality in chronic heart failure (2008)
Journal Article
Ingle, L., Witte, K. K., Cleland, J. G. F., & Clark, A. L. (2008). Combining the ventilatory response to exercise and peak oxygen consumption is no better than peak oxygen consumption alone in predicting mortality in chronic heart failure. European journal of heart failure, 10(1), 85-88. doi:10.1016/j.ejheart.2007.10.010

Background: A low peak oxygen uptake (pV(O2)) and steep V-E/V-CO2 slope are independently associated with a worse prognosis in patients with chronic heart failure (CHF). We wished to confirm whether combining these variables as a ratio would lead to... Read More about Combining the ventilatory response to exercise and peak oxygen consumption is no better than peak oxygen consumption alone in predicting mortality in chronic heart failure.

Perception of symptoms is out of proportion to cardiac pathology in patients with "diastolic heart failure'' (2007)
Journal Article
Ingle, L., Cleland, J. G. F., & Clark, A. L. (2008). Perception of symptoms is out of proportion to cardiac pathology in patients with "diastolic heart failure''. Heart, 94(6), 748-753. doi:10.1136/hrt.2007.131144

Background: Epidemiological studies suggest that "diastolic heart failure'' (DHF) is common and has a prognosis similar to that of systolic heart failure (SHF). We wanted to assess whether patients with breathlessness who were being treated for DHF h... Read More about Perception of symptoms is out of proportion to cardiac pathology in patients with "diastolic heart failure''.

The prognostic value of cardiopulmonary exercise testing with a peak respiratory exchange ratio of < 1.0 in patients with chronic heart failure (2007)
Journal Article
Ingle, L., Witte, K. K., Cleland, J. G., & Clark, A. L. (2008). The prognostic value of cardiopulmonary exercise testing with a peak respiratory exchange ratio of < 1.0 in patients with chronic heart failure. International journal of cardiology, 127(1), 88-92. https://doi.org/10.1016/j.ijcard.2007.04.075

Background: Peak oxygen consumption derived from a maximal cardiopulmonary exercise test (CPET) is a standard prognostic indicator in patients with chronic heart failure (CHF). Tests with a peak respiratory exchange ratio (pRER) < 1.0 are often tak... Read More about The prognostic value of cardiopulmonary exercise testing with a peak respiratory exchange ratio of < 1.0 in patients with chronic heart failure.

Changes in body composition in patients with left ventricular systolic dysfunction initiated on beta-blocker therapy (2007)
Journal Article
Ingle, L., Rigby, A. S., Carroll, S., Butterly, R., King, R. F., Cooke, C. B., …Clark, A. L. (2007). Changes in body composition in patients with left ventricular systolic dysfunction initiated on beta-blocker therapy. Experimental and Clinical Cardiology, 12(1), 46-47

Background: Increasing body mass index, cholesterol and body fat are associated with a better prognosis in patients with left ventricular systolic dysfunction (LVSD). Beta-blocker usage is associated with changes in body composition and increased bod... Read More about Changes in body composition in patients with left ventricular systolic dysfunction initiated on beta-blocker therapy.

Cardiorespiratory requirements of the 6-min walk test in older patients with left ventricular systolic dysfunction and no major structural heart disease (2007)
Journal Article
Ingle, L., Wilkinson, M., Carroll, S., Boyes, C., Butterly, R., King, R., …Clark, A. (2007). Cardiorespiratory requirements of the 6-min walk test in older patients with left ventricular systolic dysfunction and no major structural heart disease. International journal of sports medicine, 28(8), 678-684. https://doi.org/10.1055/s-2007-964886

The six-minute walk test (6-MWT) is widely used to assess functional status in patients with chronic heart failure (CHF). The aims of the present study were: (1) to compare metabolic gas exchange during the 6-MWT in older patients with left ventricul... Read More about Cardiorespiratory requirements of the 6-min walk test in older patients with left ventricular systolic dysfunction and no major structural heart disease.

Prognostic value of the 6 min walk test and self-perceived symptom severity in older patients with chronic heart failure (2007)
Journal Article
Ingle, L., Rigby, A. S., Carroll, S., Butterly, R., King, R. F., Cooke, C. B., …Clark, A. L. (2007). Prognostic value of the 6 min walk test and self-perceived symptom severity in older patients with chronic heart failure. European Heart Journal, 28(5), 560-568. https://doi.org/10.1093/eurheartj/ehl527

Background: The 6 min walk test (6-MWT) is a simple and popular test for evaluating functional status in patients with chronic heart failure (CHF). However, the prognostic value of the 6-MWT in a large, representative sample of CHF patients, and in p... Read More about Prognostic value of the 6 min walk test and self-perceived symptom severity in older patients with chronic heart failure.

Prognostic value of the VE/VCO2 slope calculated from different time intervals in patients with suspected heart failure (2006)
Journal Article
Ingle, L., Goode, K., Carroll, S., Sloan, R., Boyes, C., Cleland, J. G., & Clark, A. L. (2007). Prognostic value of the VE/VCO2 slope calculated from different time intervals in patients with suspected heart failure. International journal of cardiology, 118(3), 350-355. https://doi.org/10.1016/j.ijcard.2006.07.105

Background: Maximal exercises testing, whether involving cycling- or walking-based protocols, are often not well tolerated in patients with chronic heart failure (CHF). The peak oxygen consumption and the slope of the relation between ventilation (V... Read More about Prognostic value of the VE/VCO2 slope calculated from different time intervals in patients with suspected heart failure.

Clinical determinants of poor six-minute walk test performance in patients with left ventricular systolic dysfunction and no major structural heart disease (2006)
Journal Article
Ingle, L., Rigby, A. S., Nabb, S., Jones, P. K., Clark, A. L., & Cleland, J. G. (2006). Clinical determinants of poor six-minute walk test performance in patients with left ventricular systolic dysfunction and no major structural heart disease. European journal of heart failure, 8(3), 321-325. https://doi.org/10.1016/j.ejheart.2005.08.006

Background: The clinical determinants of six-minute walk test (6-MWT) performance in patients with left ventricular systolic dysfunction (LVSD) have rarely been investigated, and it is not clear whether they differ from patients referred for the asse... Read More about Clinical determinants of poor six-minute walk test performance in patients with left ventricular systolic dysfunction and no major structural heart disease.

Poor relationship between exercise capacity and spirometric measurements in patients with more symptomatic heart failure (2005)
Journal Article
Ingle, L., Shelton, R. J., Cleland, J. G., & Clark, A. L. (2005). Poor relationship between exercise capacity and spirometric measurements in patients with more symptomatic heart failure. Journal of cardiac failure, 11(8), 619-623. https://doi.org/10.1016/j.cardfail.2005.06.430

Background: The origin of exercise limitation in patients with chronic heart failure (CHF) is multifactorial, and the relative contributions of different abnormalities may vary with severity of heart failure symptoms. The aim of the current study was... Read More about Poor relationship between exercise capacity and spirometric measurements in patients with more symptomatic heart failure.

Clinical trials update from the European Society of Cardiology Heart Failure meeting and the American College of Cardiology: Darbepoetin alfa study, ECHOS, and ASCOT-BPLA (2005)
Journal Article
Cleland, J. G., Coletta, A. P., Clark, A. L., Velavan, P., & Ingle, L. (2005). Clinical trials update from the European Society of Cardiology Heart Failure meeting and the American College of Cardiology: Darbepoetin alfa study, ECHOS, and ASCOT-BPLA. European journal of heart failure, 7(5), 937-939. https://doi.org/10.1016/j.ejheart.2005.07.001

This article provides information and a commentary on landmark trials presented at the European Society of Cardiology Heart Failure meeting held in June 2005, relevant to the pathophysiology, prevention and treatment of heart failure. All reports sho... Read More about Clinical trials update from the European Society of Cardiology Heart Failure meeting and the American College of Cardiology: Darbepoetin alfa study, ECHOS, and ASCOT-BPLA.

The reproducibility and sensitivity of the 6-min walk test in elderly patients with chronic heart failure (2005)
Journal Article
Ingle, L., Shelton, R. J., Rigby, A. S., Nabb, S., Clark, A. L., & Cleland, J. G. (2005). The reproducibility and sensitivity of the 6-min walk test in elderly patients with chronic heart failure. European Heart Journal, 26(17), 1742-1751. https://doi.org/10.1093/eurheartj/ehi259

Aims: The 6-min walk test (6-MWT) is used to estimate functional capacity. However, in elderly patients with chronic heart failure (CHF): (i) 1 year reproducibility of the 6-MWT; (ii) sensitivity of the 6-MWT to self-perceived changes in symptoms of... Read More about The reproducibility and sensitivity of the 6-min walk test in elderly patients with chronic heart failure.