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Purpose An important rehabilitation aim following coronary artery bypass graft (CABG) surgery is to modify cardiovascular risk factors positively. Among the most potent possibilities for improvement of these factors is a lifestyle change in terms of increasing sports exercise, changing diet patterns, stress reduction, etc. An indispensable condition for these changes is the motivation to implement the necessary changes. In our working group a patient education programme was developed aimed at enhancing the motivation for lifestyle change, which was already applied in a cardiac surgery hospital. In evaluating the programme, we could observe that various cognitive factors of motivation for lifestyle change had dropped in untreated patients and risen in patients participating in the programme. Based on these preliminary findings we examined the motivation for lifestyle change one year after CABG surgery. Method Each patient was evaluated for his/her value in motivation for lifestyle change using a 30-item questionnaire which measures the six factors Vulnerability, Intention, Social Expectations, Outcome Expectation, Self-Efficacy Expectation, and Perceived Severity two days before CABG surgery as well as ten days and one year after CABG surgery. Between January and May 2002 patients in usual care were investigated as control group (n=70). From January to May 2003, n=70 patients had the opportunity to take part in a comprehensive patient education programme that was provided by a specifically trained psychologist. Data from 108 patients could be evaluated one year after CABG surgery (response rate=77.1%). The programme had comprised individualized units, as well as a group lecture. If partners were available they were included in the process. Results One year after CABG surgery no significant differences between the control group and the intervention group could be found. Conclusion The positive effects of the patient education programme measured ten days after surgery were found to have vanished one year after the operation. A possible reason is the short duration of the programme. Long-term, structured aftercare programmes should help stabilize the positive effects obtained in the short term.