Advance directive: a study on the knowledge and attitudes among general practitioners in Singapore.

Recent calls for the Advance Directive (AD) to be implemented in Singapore have raised issues regarding the dearth of knowledge and attitude among local healthcare professionals. The present study aims to find out the attitudes and to assess the extent of knowledge regarding the AD among General Practitioners (GPs) in Singapore. This was a cross-sectional, descriptive survey with a sample size of 199 doctors randomly drawn from the Singapore Medical Council list, forming a sampling fraction of 16%. The response rate obtained was 78%. The results showed that while GPs generally supported the concept of the AD, their views were divided on the issue of legislation. They had a basic knowledge of the AD, such as the definition of the AD, that it could be revoked, and the continuity of care and pain relief even after withdrawal of life-sustaining measures. However, only half knew when it should be executed. Many GPs were concerned that the legislation of the AD would lead to the acceptance of euthanasia. They believed that they were in the best position to decide on the treatment of choice for their patients, although they would respect their patients' wishes.