“…This may be related to the increase in life expectancy, technological advances, the latest medical equipment, the rising costs associated with health care, and a growing concern for people's autonomy. 9 Today, although it is generally agreed that therapeutic futility is a difficult concept to define whose meaning may vary in different countries, depending on existing culture, values, religion, beliefs, and medical advances, 10 some authors find "futile" to refer to care or treatment that has no benefit to the person, 11 consisting of the provision of inadequate treatments that may not contribute to improving prognosis, relieving symptoms, or prolonging life. 12 However, advancing a definition of therapeutic futility and knowing how to recognize it is a complex and sensitive process that raises questions for which concrete answers are difficult to find, 13 since futility is related to assumptions about quality and span of life and may be invoked in an ethically unjustifiable way.…”