Short Editorial: Frailty among Non-Elderly Patients Undergoing Cardiac Surgery

Frailty is recognized as a geriatric syndrome characterized by an excess of vulnerability to stressors, with a low ability to maintain or recover homeostasis after a destabilizing event. The analysis of frailty is a well-known and studied subject in elderly patients, having a direct relationship with the prognosis and even with measures to be instituted pre-procedure aiming to improve the quality of life and the outcome of the patients.

Despite the original description restricting the term to patients older than 65 years, the syndrome also affects younger patients.^, Frailty represents more biological and phenotypic aspects than age itself, and precursors of the syndrome appear at a young age.

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