Publications by authors named "Dyer Pettijohn"

Introduction: Primary bladder neck obstruction (BNO) occurs when the bladder neck fails to open during voiding, causing urinary symptoms despite no anatomic obstruction. The cause of BNO is unclear but may involve neurogenic dysregulation related to the sympathic nervous system such as upper motor neuron lesion or peripheral autonomic neuropathy (small fiber neuropathy (SFN)). Another etiology can incuded increased sympathetic tone secondary to anxiety or stress conditons.

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Ventricular septal rupture (VSR) is a devastating complication of acute myocardial infarction (MI) and is often associated with cardiogenic shock. Although considered to be very rare in the reperfusion era, recent reports have demonstrated an increased frequency of post-MI VSR cases during the COVID-19 pandemic. Despite advances in surgical repair and management strategies over the past decades, mortality rate has remained high, especially in hemodynamically unstable patients.

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