Når patienter med mindst én risikofaktor for kongestivt hjerteinsufficiens (dvs. tidligere myorkardie infakt eller sympotatisk karsygdom) behandles, bør lægen begynde med den lavest mulige dosis pioglitazon og derefter gradvist forøge dosis.
When treating patients who have at least one risk factor for development of congestive heart failure (e. g. prior myocardial infarction or symptomatic coronary artery disease), physicians should start with the lowest available dose of pioglitazone and increase the dose gradually.