Repetitive Valsalva maneuvers in patients with obstructive urinary tract disorders can lead to spontaneous rupture of small arteries such as the inferior thyroid artery.
Consider spontaneous inferior thyroid artery rupture in neck hematoma with urinary obstruction; case report leaves incidence and prevention open.
In obstructive urinary tract disorders, the Valsalva maneuver can be performed in order to ease micturition. Among other things, the maneuver leads to complex vascular reactions and increases the systemic blood pressure. These vascular changes pose a serious stressor to the vessel wall and ruptures of small arteries have been anecdotically described in literature. Herein, we present a case of a patient referred to a thoracic surgeon with a huge mediastinal hematoma. Diagnostic work-up revealed a spontaneous rupture of the left inferior thyroid artery due to repetitive Valsalva maneuver.
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Höetzenecker et al. (2010) studied this question.
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