Residents’ performance in the interpretation of on-call "triple-rule-out" CT studies in patients with acute chest pain.

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Residents' performance in the interpretation of on-call "triple-rule-out" CT studies in patients with acute chest pain.

Acad Radiol. 2014 Jul;21(7):938-44

Authors: Garrett KG, De Cecco CN, Schoepf UJ, Silverman JR, Krazinski AW, Geyer LL, Lewis AJ, Headden GF, Ravenel JG, Suranyi P, Meinel FG

RATIONALE AND OBJECTIVES: To evaluate the performance of radiology residents in the interpretation of on-call, emergency "triple-rule-out" (TRO) computed tomographic (CT) studies in patients with acute chest pain.
MATERIALS AND METHODS: The study was institutional review board-approved and Health Insurance Portability and Accountability Act compliant. Data from 617 on-call TRO studies were analyzed. Dedicated software enables subspecialty attendings to grade discrepancies in interpretation between preliminary trainee reports and their final interpretation as "unlikely to be significant" (minor discrepancies) or "likely to be significant" for patient management (major discrepancies). The frequency of minor, major and all discrepancies in resident's TRO interpretations was compared to 609 emergent non-electrocardiography (ECG)-synchronized chest CT studies using Pearson χ(2) test.
RESULTS: Minor discrepancies occurred more often in the TRO group (9.1% vs. 3.9%, P < .001), but there was no difference in the frequency of major discrepancies (2.1% vs. 2.8%, P = .55). Minor discrepancies in the TRO group most commonly resulted from missed extrathoracic findings with missed liver lesions being the most frequent. Major discrepancies mostly encompassed cardiac and extracardiac vascular findings but did not result in unnecessary interventions, significant immediate changes in management, or adverse patient outcomes.
CONCLUSIONS: On-call resident interpretation of TRO CT studies in patients with acute chest pain is congruent with final subspecialty attending interpretation in the overwhelming majority of cases. The rate of discrepancies likely to affect patient management in this domain is not different from emergent non-ECG-synchronized chest CT.

PMID: 24928163 [PubMed - indexed for MEDLINE]

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