Perioperative comprehensive geriatric assessment: what do we need to know?

As a consequence of an ageing population greater numbers of elderly patients are presenting for both elective and emergency surgery. These older patients typically present with an increased burden of age-related problems and multimorbidity, which is associated with an increased risk of adverse postoperative outcomes. Traditional preoperative assessment models are adept at discerning patients' suitability for anaesthesia and surgery, but there is minimal focus on improving postoperative outcomes. Comprehensive geriatric assessment is a multidisciplinary approach used both to assess existing 'known' pathology and to screen for previously undiagnosed issues across medical, functional, social and/or psychological domains. This diagnostic phase then leads to the development and implementation of an individualized 'optimization' strategy across these domains. There is emerging evidence that comprehensive geriatric assessment and optimization in the surgical setting leads to improved outcomes, and it is reasonable to conclude that it would benefit the patient's long-term health.