Background: Coronary artery disease (CAD) constitutes a considerable f
inancial burden on society in Finland; it is the cause of death of app
roximately 7,500 men and 6,500 women annually in a population of 5 mil
lion. Objectives: The purpose of this study was to assess the changes
in the quality of life (QOL) of patients with CAD treated by medicatio
n, percutaneous transluminal coronary angioplasty (PTCA), and coronary
artery bypass surgery (CABS) during 1 year. Method: The study populat
ion consisted of 280 patients with CAD. One hundred patients had been
referred to CABS and another 100 to PTCA, whereas 80 patients were on
drug therapy. The patients assessed their health status and QOL in ter
ms of functional capacity and aspects of distress using self-completed
questionnaires with the Nottingham Health Profile (NHP) instrument be
fore the operation and 6 and 12 months afterwards. Results: The QOL of
the patients who had undergone CABS I and PTCA was significantly bett
er on the dimensions of energy, pain, and mobility 1 year after the in
tervention. In the medication group, the only improvement took place o
n the dimension of social isolation, whereas both energy and mobility
deteriorated.Conclusions: The results on QOL obtained in this study su
pport the notion that patients continue to have many problems even aft
er medical treatment with a good outcome. The problems occur in differ
ent areas compared with the pretreatment situation as on the dimension
s of social isolation and emotional reaction. The rehabilitation of CA
D patients is therefore important because the new problems are manifes
ted differently from those seen before the illness or the treatment. T
he patient's QOL and personal preference for a treatment modality shou
ld be important criteria in the choice of treatment.