Valutazione del carico di lavoro sostenibile in pazienti con cardiopatia ischemica

Translated title of the contribution: Assessment of sustainable workload in patients with ischaemic heart disease

Paolo Capodaglio, Roberto Riccardi, Jole Assandri, Giorgio Riccardi, Vincenzo Paganini, Franco Cobelli, Franco Saibene

Research output: Contribution to journalArticlepeer-review


Coronary heart disease is reputed to restrict a person's capacity. Our aim was to find a test to determine the mechanical power that could be safely sustained (Psust) during occupational activities by patients with ischaemic heart disease after discharge from the Rehabilitation Unit. Ten male subjects (mean age 50 ± 7 years, mean body weight 83 ± 13 kg, mean height 177 ± 6 cm) who had suffered a myocardial infarction three weeks before admission to our Cardiac Rehabilitation programme performed a serie of 3-4 constant-power tests on a bicycle ergometer at about 50 to 80% of the individual maximal power (Pmax). Throughout the test they reported their perception of effort using Borg's 10-point scale. Electrocardiogram, heart rate and blood pressure were all monitored. The test was terminated when a score of 5 was reached. The total work performed was calculated by multiplying the duration of each test by the power set for that test. The slope of the linear regression through the work-duration data was defined as Psust. The average Psust was 60 ± 23 W (range 29 to 112 W), corresponding to 48% of average Pmax. This type of test represents a mean to determine the mechanical power that cardiac patients can safely sustain for a prolonged time. It also provides further insight in occupational assessment by comparing the individual energetic capacities with the demands of finalised activities such as work tasks.

Translated title of the contributionAssessment of sustainable workload in patients with ischaemic heart disease
Original languageItalian
Pages (from-to)201-206
Number of pages6
JournalMonaldi Archives for Chest Disease - Cardiac Series
Issue number3
Publication statusPublished - Dec 2002

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Pulmonary and Respiratory Medicine


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