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Prevalence and outcomes of anemia and hematinic deficiencies in patients with chronic heart failure (2016)
Journal Article
Cleland, J. G., Zhang, J., Pellicori, P., Dicken, B., Dierckx, R., Shoaib, A., …Clark, A. L. (2016). Prevalence and outcomes of anemia and hematinic deficiencies in patients with chronic heart failure. JAMA Cardiology, 1(5), 539-547. https://doi.org/10.1001/jamacardio.2016.1161

Copyright © 2016 American Medical Association. All rights reserved. Importance: Detailed information on the prevalence, associations, and consequences of anemia and iron deficiency in epidemiologically representative outpatients with chronic heart fa... Read More about Prevalence and outcomes of anemia and hematinic deficiencies in patients with chronic heart failure.

Exploring quality of life in patients with and without heart failure (2015)
Journal Article
Zhang, J., Hobkirk, J., Carroll, S., Pellicori, P., Clark, A. L., & Cleland, J. G. (2016). Exploring quality of life in patients with and without heart failure. International journal of cardiology, 202, 676-684. https://doi.org/10.1016/j.ijcard.2015.09.076

Aims The EuroHeart Failure Survey Questionnaire (EHFSQ-1) has 39 questions on symptoms and quality of life (QoL); many items are related. We sought to identify underlying clusters amongst EHFSQ-1 questions, construct an overall “QoL score” and invest... Read More about Exploring quality of life in patients with and without heart failure.

Development of a human model for the study of effects of hypoxia, exercise, and sildenafil on cardiac and vascular function in chronic heart failure (2015)
Journal Article
Damy, T., Hobkirk, J., Walters, M., Ciobanu, A., Rigby, A. S., Kallvikbacka-Bennett, A., …Cleland, J. G. F. (2015). Development of a human model for the study of effects of hypoxia, exercise, and sildenafil on cardiac and vascular function in chronic heart failure. Journal of Cardiovascular Pharmacology, 66(3), 229-238. https://doi.org/10.1097/fjc.0000000000000262

Background: Pulmonary hypertension is associated with poor outcome in patients with chronic heart failure (CHF) and may be a therapeutic target. Our aims were to develop a noninvasive model for studying pulmonary vasoreactivity in CHF and characteriz... Read More about Development of a human model for the study of effects of hypoxia, exercise, and sildenafil on cardiac and vascular function in chronic heart failure.

Efficacy of β blockers in patients with heart failure plus atrial fibrillation: An individual-patient data meta-analysis (2014)
Journal Article
Kotecha, D., Holmes, J., Krum, H., Altman, D. G., Manzano, L., Cleland, J. G., …Flather, M. D. (2014). Efficacy of β blockers in patients with heart failure plus atrial fibrillation: An individual-patient data meta-analysis. Lancet, 384(9961), 2235-2243. https://doi.org/10.1016/S0140-6736%2814%2961373-8

Background: Atrial fibrillation and heart failure often coexist, causing substantial cardiovascular morbidity and mortality. β blockers are indicated in patients with symptomatic heart failure with reduced ejection fraction; however, the efficacy of... Read More about Efficacy of β blockers in patients with heart failure plus atrial fibrillation: An individual-patient data meta-analysis.

Effects of reducing inspired oxygen concentration for one hour in patients with chronic heart failure: implications for air travel (2013)
Journal Article
Hobkirk, J. P., Damy, T., Walters, M., Bennett, A., Smith, S. J., Ingle, L., …Cleland, J. G. (2013). Effects of reducing inspired oxygen concentration for one hour in patients with chronic heart failure: implications for air travel. European journal of heart failure, 15(5), 505-510. https://doi.org/10.1093/eurjhf/hft003

AimsThe objective of this study was to establish the acute effects of hypoxia on clinical, spirometric, haemodynamic, and echocardiographic variables. Reducing inspired oxygen to 15%, as experienced during commercial air travel, decreases arterial ox... Read More about Effects of reducing inspired oxygen concentration for one hour in patients with chronic heart failure: implications for air travel.

Interplay between right ventricular function and cardiac resynchronization therapy : an analysis of the CARE-HF trial (cardiac resynchronization–heart failure) (2013)
Journal Article
Damy, T., Ghio, S., Rigby, A. S., Hittinger, L., Jacobs, S., Leyva, F., …Cleland, J. G. (2013). Interplay between right ventricular function and cardiac resynchronization therapy : an analysis of the CARE-HF trial (cardiac resynchronization–heart failure). Journal of the American College of Cardiology, 61(21), 2153-2160. https://doi.org/10.1016/j.jacc.2013.02.049

Objectives: The aim of this study was to investigate the impact of cardiac resynchronization therapy (CRT) on right ventricular (RV) function and the influence of RV dysfunction on the echocardiographic and clinical response to CRT among patients enr... Read More about Interplay between right ventricular function and cardiac resynchronization therapy : an analysis of the CARE-HF trial (cardiac resynchronization–heart failure).

Abnormalities of the ventilatory equivalent for carbon dioxide in patients with chronic heart failure (2012)
Journal Article
Ingle, L., Sloan, R., Carroll, S., Goode, K., Cleland, J. G., & Clark, A. L. (2012). Abnormalities of the ventilatory equivalent for carbon dioxide in patients with chronic heart failure. Pulmonary Medicine, 2012, 589164. https://doi.org/10.1155/2012/589164

Introduction. The relation between minute ventilation (VE) and carbon dioxide production (VCO(2)) can be characterised by the instantaneous ratio of ventilation to carbon dioxide production, the ventilatory equivalent for CO(2) (VEqCO(2)). We hypothe... Read More about Abnormalities of the ventilatory equivalent for carbon dioxide in patients with chronic heart failure.

Minimally clinically important difference in chronic breathlessness: every little helps (2012)
Journal Article
Oxberry, S. G., Bland, J. M., Clark, A. L., Cleland, J. G., & Johnson, M. (2012). Minimally clinically important difference in chronic breathlessness: every little helps. American Heart Journal, 164(2), 229-235. https://doi.org/10.1016/j.ahj.2012.05.003

ObjectivesThe aim of the study was to determine the minimally clinically important difference (MCID) for breathlessness due to chronic heart failure (CHF). BackgroundThe measurement of breathlessness is difficult because it is subjective and multifac... Read More about Minimally clinically important difference in chronic breathlessness: every little helps.

A comparative study of missing value imputation with multiclass classification for clinical heart failure data (2012)
Conference Proceeding
Zhang, Y., Kambhampati, C., Davis, D. N., Goode, K., & Cleland, J. G. F. (2012). A comparative study of missing value imputation with multiclass classification for clinical heart failure data. In Fuzzy Systems and Knowledge Discovery (FSKD), 2012 9th International Conference on (2840-2844). https://doi.org/10.1109/fskd.2012.6233805

Clinical data often contains missing values. Imputation is one of the best known schemes to overcome the drawbacks associated with missing values in data mining tasks. In this work, we compared several imputation methods and analyzed their performanc... Read More about A comparative study of missing value imputation with multiclass classification for clinical heart failure data.

Prevalence of, associations with, and prognostic value of tricuspid annular plane systolic excursion (TAPSE) among out-patients referred for the evaluation of heart failure (2012)
Journal Article
Damy, T., Kallvikbacka-Bennett, A., Goode, K., Khaleva, O., Lewinter, C., Hobkirk, J., …Cleland, J. G. F. (2012). Prevalence of, associations with, and prognostic value of tricuspid annular plane systolic excursion (TAPSE) among out-patients referred for the evaluation of heart failure. Journal of cardiac failure, 18(3), 216-225. https://doi.org/10.1016/j.cardfail.2011.12.003

Background: Prevalence, predictors, and prognostic value of right ventricular (RV) function measured by the tricuspid annular plane systolic excursion (TAPSE) in patients with chronic heart failure (CHF) symptoms with a broad range of left ventricula... Read More about Prevalence of, associations with, and prognostic value of tricuspid annular plane systolic excursion (TAPSE) among out-patients referred for the evaluation of heart failure.

Does the physical examination still have a role in patients with suspected heart failure? (2011)
Journal Article
Damy, T., Kallvikbacka-Bennett, A., Zhang, J., Goode, K., Buga, L., Hobkirk, J., …Clark, A. L. (2011). Does the physical examination still have a role in patients with suspected heart failure?. European journal of heart failure, 13(12), 1340-1348. https://doi.org/10.1093/eurjhf/hfr128

AIMS: The prognostic value of signs of congestion in patients suspected of having chronic heart failure (CHF) is unknown. Our objectives were to define their prevalence and specificity in diagnosing CHF and to determine their prognostic value in pati... Read More about Does the physical examination still have a role in patients with suspected heart failure?.

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.

Prevalence of scarred and dysfunctional myocardium in patients with heart failure of ischaemic origin: A cardiovascular magnetic resonance study (2011)
Journal Article
Bourantas, C. V., Nikitin, N. P., Loh, H. P., Lukaschuk, E. I., Sherwi, N., de Silva, R., …Cleland, J. G. (2011). Prevalence of scarred and dysfunctional myocardium in patients with heart failure of ischaemic origin: A cardiovascular magnetic resonance study. Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance, 13(53), Article ARTN 53. https://doi.org/10.1186/1532-429x-13-53

BackgroundCardiovascular magnetic resonance (CMR) with late gadolinium enhancement (LGE) can provide unique data on the transmural extent of scar/viability. We assessed the prevalence of dysfunctional myocardium, including partial thickness scar, whi... Read More about Prevalence of scarred and dysfunctional myocardium in patients with heart failure of ischaemic origin: A cardiovascular magnetic resonance study.

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. https://doi.org/10.1016/j.ijcard.2010.12.101

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.

 Telehealth – future directions in cardiovascular care (2010)
Journal Article
Cleland, J., & Barrett, D. (2010).  Telehealth – future directions in cardiovascular care. European cardiology review, 6(3), 30 - 32. https://doi.org/10.15420/ecr.2010.6.3.30

Over recent years, telehealth has increasingly demonstrated its value in supporting the delivery of cardiovascular healthcare. From teletriage services as a portal into healthcare through to telemonitoring of heart failure patients, technology is alr... Read More about  Telehealth – future directions in cardiovascular care.

Cardiac output does not limit submaximal exercise capacity in patients with chronic heart failure (2010)
Journal Article
Shelton, R. J., Ingle, L., Rigby, A. S., Witte, K. K., Cleland, J. G., & Clark, A. L. (2010). Cardiac output does not limit submaximal exercise capacity in patients with chronic heart failure. European journal of heart failure, 12(9), 983-989. https://doi.org/10.1093/eurjhf/hfq086

Aims Mechanisms of exercise limitation in patients with chronic heart failure (CHF) are incompletely understood. During matched submaximal, fixed-rate exercise, oxygen uptake is similar in patients and healthy controls. However, the importance of ca... Read More about Cardiac output does not limit submaximal exercise capacity in patients with chronic heart failure.

Measurement of breathlessness in clinical trials in patients with chronic heart failure: the need for a standardized approach: a systematic review (2010)
Journal Article
Johnson, M. J., Oxberry, S. G., Cleland, J. G., & Clark, A. L. (2010). Measurement of breathlessness in clinical trials in patients with chronic heart failure: the need for a standardized approach: a systematic review. European journal of heart failure, 12(2), 137-147. https://doi.org/10.1093/eurjhf/hfp194

AIMS: Chronic breathlessness is a major symptom for patients with compensated chronic heart failure (CHF) and its impact is different to the breathlessness resulting from pulmonary oedema. This systematic review aims to establish which tools have bee... Read More about Measurement of breathlessness in clinical trials in patients with chronic heart failure: the need for a standardized approach: a systematic review.

Lack of diastolic reserve in patients with heart failure and normal ejection fraction (2009)
Journal Article
Chattopadhyay, S., Alamgir, M. F., Nikitin, N. P., Rigby, A. S., Clark, A. L., & Cleland, J. G. F. (2010). Lack of diastolic reserve in patients with heart failure and normal ejection fraction. Circulation. Heart failure, 3(1), 35-43. https://doi.org/10.1161/CIRCHEARTFAILURE.108.824888

Background-The genesis of symptoms in patients with heart failure (HF) and normal ejection fraction (HFNEF) is unclear. Most investigations of HFNEF have focused on cardiac function at rest although most of these patients are breathless only on exerc... Read More about Lack of diastolic reserve in patients with heart failure and normal ejection fraction.