An unfortunate case of acute aortic regurgitation: Isolated aortic valve prolapse following a motor vehicle accident

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Abstract

We present an unfortunate case of severe acute aortic regurgitation (AR) following a motor vehicle accident (MVA) linked to isolated aortic valve prolapse, with no evidence of aortic root disruption or other valvular pathology missed on initial presentation. A 55-year-old gentleman, with known hypertension, was brought into the emergency department following a MVA, where he sustained severe intra-thoracic injuries. A bedside transthoracic echocardiogram (TTE) revealed a trileaflet aortic valve with evidence of mal-coaptation and severe AR. A computed tomography angiography of the thorax, however, failed to demonstrate evidence of dissection along the aortic root or ascending aorta. Following successful weaning off ventilatory support, the patient was discharged, but he presented back within a week with worsening dyspnoea and palpitations. Examination and investigation supported a diagnosis of acute heart failure with evident severe AR on repeat TTE. Transoesophageal echocardiography was performed, revealing prolapsed right and non-coronary cusps which were not seen in previous studies but absent evidence of the aortic root, ascending and descending aorta dilatation or dissection. Valvular complications rarely occur following blunt chest wall trauma, often involving right-sided valves due to their proximity to the sternum. Although aortic valve disruption can occur following MVAs, it is often associated with trauma to the aorta. Based on our literature search, there have been only a handful of reported cases of severe acute AR due to isolated prolapse or ruptured aortic valves in the absence of aortic valve perforation, aortic root disruption or dissection and other valvular abnormalities following trauma.

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APA

Raja Shariff, R. E., Md Noor, J., Amir, M. A., Ibrahim, K. S., & Kasim, S. (2022). An unfortunate case of acute aortic regurgitation: Isolated aortic valve prolapse following a motor vehicle accident. Proceedings of Singapore Healthcare, 31. https://doi.org/10.1177/20101058211019050

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