A surgical procedure can be classified by the level of physiologic stress associated with a procedure. A procedure's Operative Stress Score (OSS) is one of the factors that can be used to decide if a patient is a acceptable candidate for surgery.
Selection: operation
OSS Category
Stress
Example
1
very low
ganglion cystectomy, hydrocele removal
2
low
inguinal hernia, simple appendectomy, arthroscopy
3
moderate
cholecystectomy, arthoplasty, limb amputation
4
high
open colectomy, prostatectomy, nephrectomy
5
very high
liver transplant, esophagectomy, abdominal aortic aneurysm resection
To read more or access our algorithms and calculators, please log in or register.
Specialty: Anesthesiology
