Key result
Aortic valve replacement can be complicated by severe dynamic left ventricular outflow obstruction from mitral systolic anterior motion, causing severe postoperative hemodynamic instability.
Mitral systolic anterior motion causing severe dynamic left ventricular outflow obstruction is an under-recognized complication that should be considered in patients with severe hemodynamic instability after aortic valve replacement.
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Clinicians should consider mitral SAM in severe post-AVR instability; case report leaves open incidence and management strategies.
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Routledge et al. (2005) studied this question. Aortic valve replacement can be complicated by severe dynamic left ventricular outflow obstruction from mitral systolic anterior motion, causing severe postoperative hemodynamic instability.
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