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Objectives: To identify the components, and assess the reporting quality, of exercise training interventions for people living with pulmonary hypertension.\ud \ud Design: Systematic review with analysis of intervention reporting quality using the Consensus on Exercise Reporting Template (CERT).\ud \ud Data sources: Eligible studies in the Cochrane Systematic Review of exercise-based rehabilitation for pulmonary hypertension, updated with a new search of relevant databases from 1st August 2016 to 15th January 2018.\ud \ud Eligibility criteria: Peer reviewed journal articles of randomised and non-randomised controlled trials, and non-controlled prospective observational studies, investigating dynamic exercise training interventions in adult humans with diagnosed pulmonary hypertension, reporting on at least one physiological and/or psychosocial outcome.\ud \ud Results: Interventions typically involved cycle ergometry and walking. They were delivered as three-week in-patient, or out-patient and/or home-based programmes, lasting for four to 15 weeks. Components relating specifically to exercise prescription were described satisfactorily and in more detail than motivational/behavioural change strategies, adherence and fidelity. Mean Consensus on Exercise Reporting Template (CERT) score was 13.1 (range 8 to 17) out of a possible maximum score of 19. No studies fully reported every aspect of an exercise intervention to the standard recommended by CERT.\ud \ud Summary/conclusion: Considerable variability was evident in the components and reporting quality of interventions for exercise rehabilitation studies in pulmonary hypertension. Interventional studies using exercise training should pay greater attention to describing motivational/ behavioural change strategies, adherence and fidelity. Detailed description of these parameters is essential for the safe and effective replication of exercise rehabilitation interventions for pulmonary hypertension in clinical practice.\ud \ud Trial registration number: This systematic review is registered with PROSPERO 2018 CRD42018085558