Routine Perioperative Investigations

Perioperative investigations for thoracic surgery, cardiac risk factors, and diabetes are covered elsewhere.

Considerations for use of perioperative investigations:

Testing in Specific Surgical Populations

Consider both the grade of surgery and the medical status of the patient:

Grade ASA 1
Minor
Intermediate
Major - FBE
- UEC, if risk of AKI
- ECG, if >65

Grade of Surgery

A reference for the above table, with examples:

Surgical Grades Example
Minor - Excision of skin lesion
Intermediate - Inguinal hernia
- Tonsillectomy
- Knee arthroscopy
Major - Abdominal hysterectomy
- TURP
- Thyroidectomy
- Bowel resection
- Cardiac surgery
- Thoracic surgery
- Spine surgery
- Joint replacement

References

  1. NICE. Routine preoperative tests for elective surgery. Guidance | NICE [Internet]. Accessed August 19.