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South African Journal of Surgery

versión On-line ISSN 2078-5151
versión impresa ISSN 0038-2361


MARITZ, JPB; BAGADIA, A  y  LUBBE, JA. Can computed tomographic angiography accurately exclude digestive tract injury after penetrating cervical trauma?. S. Afr. j. surg. [online]. 2020, vol.58, n.4, pp.192-198. ISSN 2078-5151.

BACKGROUND: Multislice computed tomographic angiography (MCTA) has become the method of choice to screen for arterial injury in penetrating cervical trauma (PCT). There is, however, limited knowledge on its accuracy in terms of digestive tract injury (DTI). Currently, our unit liberally employs both computed tomographic angiography (CTA) and contrast swallow for platysma breaching penetrating neck injuries. This study aimed to determine the accuracy of specific computed tomography findings in the diagnosis of DTI after PCT. METHODS: This was a retrospective review of all consecutive patients with PCT who had undergone MCTA that presented at a single, tertiary, high-volume trauma centre from January 2013 until December 2015. Blinded radiological review of 140 MCTA investigations (33 in the injury group and 107 in the control group) was performed in order to calculate the diagnostic accuracy of trajectory, air, and conventional MCTA signs in the diagnosis of DTI after PCT. RESULTS: Over the study period, 906 patients presenting with PCT had undergone MCTA and a total of 33 patients (3.6%) had confirmed DTI on aggregate gold standard of diagnosis. Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of MCTA for detecting DTI was 100%, 65.4%, 47.1%, and 100%, respectively. No injuries were missed on MCTA. CONCLUSION: Our findings suggest that DTI can be safely excluded by means of careful assessment of specific signs on CTA in patients presenting after PCT, obviating the need for further investigation.

Palabras clave : computed tomography; CTA; digestive tract injury; oesophagus; pharynx; penetrating trauma.

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