Gaining Consent for Carotid Surgery: A Simulation-Based Study of Vascular Surgeons

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Abstract

Aim

Despite no formal training in consenting patients, surgeons are assumed to be competent if they are able to perform an operation. We tested this assumption for carotid endarterectomy (CEA).

Methods

Thirty-two surgeons [Group 1: junior surgical trainees – performed 0 CEA's (n = 11); 2: senior vascular trainees – 1–50 CEA's (n = 11); 3: consultant vascular surgeons – > 50 CEA's (n = 10)] consented two patients (trained actors) for a local anaesthetic CEA. The performance was assessed at post hoc video review by two independent assessors using a validated rating scale and checklist of risk factors.

Results

There was no difference in performance between the junior and senior trainees (1: median 91 range 64–121; 2: median 100.5 range 66–125; p = 0.118 1 vs. 2 Mann–Whitney). There was a significant improvement between senior trainees and consultant surgeons (3: median 120 range 89–1 142; p = 0.001 2 vs. 3). Few junior (1/11) and senior (2/11) trainees, and most (8/11) consultants, were competent. Inter-rater reliability was high (α = 0.832).

Consultant surgeons were significantly more likely to discuss cranial nerve injuries (p < 0.0001 Chi-square test) as well as personal or hospital specific stroke risk (p < 0.0001) than their junior counterparts. They were less likely to discuss infection (p < 0.0001).

Conclusion

Senior trainees, despite being able to perform a CEA, were not competent in consent. The majority of consultant surgeons had developed competence in consenting even though they had no formal training.

Keywords

Consent
Training
Assessment
Carotid
Endarterectomy

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