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Ann Thorac Surg 2000;70:683-689
© 2000 The Society of Thoracic Surgeons

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Collective review

Spontaneous rupture of the thoracic aorta

^a Department of Cardiovascular Surgery, Tohoku University School of Medicine, Sendai, Japan
^b Department of Cardiovascular Surgery, Sendai Medical Center, Sendai, Japan

Address reprint requests to Dr Yokoyama, Department of Cardiovascular Surgery, Tohoku University School of Medicine, 1–1 Seiryo-cho, Sendai 980–8574, Japan
e-mail: hitoshiy{at}mail.cc.tohoku.ac.jp

Background. Spontaneous rupture of the thoracic aorta without trauma, aneurysm, or dissection is an extremely rare but catastrophic disorder. Two cases of spontaneous aortic rupture are presented, both treated surgically with satisfactory results.

Methods. A review of the English literature found 16 patients with the diagnosis of spontaneous rupture of the thoracic aorta from 1961 through 1998. Eighteen reported cases, including the 2 cases presented herein, are reviewed.

Results. The representative clinical picture is one of a middle-aged hypertensive patient with acute chest pain and collapse, with imaging modalities demonstrating hemopericardium, hemomediastinum, or hemothorax. According to the reported experiences, aortography was accurate for identifying the rupture site although the findings were sometimes subtle. Misdiagnosis or nonsurgical management resulted in the patient’s death. All 8 patients who did not undergo aortic repair died within 3 weeks after the onset, whereas 9 of 10 patients who underwent surgical aortic repair survived.

Conclusions. For patients with a definitive or possible diagnosis of spontaneous rupture of the thoracic aorta, prompt operation is imperative through an optimal surgical approach to identify and repair the rupture site with appropriate circulatory support.

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