Knowledge, Opinion, and Attitude About the Italian Law on Advance Directives: A Population-Based Survey.

Context: Advance directives are legal documents which individuals draw up to declare their treatment preferences and to appoint well-informed proxies to safeguard patient autonomy in critical situations when that individual is temporarily or no longer able to communicate these preferences. On December 22, 2017, the Italian Parliament approved the first law on end of life ("Provisions for informed consent and advance directives" L.219/2017), after a heated public and political debate lasting almost 20 years.