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Table 1 Determination of surgical risk (minor or major) in the elderly. (Adapted from Eagle [19])

From: Frailty Related to Anesthesia guided by the Index “bispectraL” (FRAIL) study: study protocol for a randomized controlled trial

Usual classification

Type of surgery

Adapted classification in elderly patients

Low Risk

Wall surgery without opening the peritoneal cavity

Low Risk

Abscess drainage

Endoscopies

Proctology

Plastic surgery

Ophthalmic surgery

Intermediate Risk

Intraperitoneal surgery

Major Risk

Laparoscopic surgery

Endarterectomy

Ear, nose and throat (ENT) surgery

Prostate surgery

Orthopedic surgery

Intermediate risk in elderly (>70 years old)

Major Risk

Intermediate surgery performed in emergency

Unstable hemodynamic conditions

Vascular surgery (aortic and peripheral) and thoracic surgery

Prolonged surgery (>4 h) with high fluid displacement or major bleeding