What is the emergency surgical treatment for papillary muscle rupture?

What is the emergency surgical treatment for papillary muscle rupture?

• A. Beta-blocker therapy
• B. Emergency mitral valve replacement
• C. Pacemaker placement
• D. Medical management with nitrates

Answer: (B)

Acute papillary muscle rupture after a myocardial infarction causes sudden, severe mitral regurgitation because the valve’s supporting structures are torn, leading to rapid pulmonary edema and shock. Medical therapy alone cannot fix the mechanical problem; it can stabilize briefly, but does not restore valve competence. The definitive, life-saving approach is emergency surgery to address the mitral valve. In this setting, mitral valve replacement is often performed because the tissue is damaged and repair is not always feasible, though repair can be possible in select cases. The key point is that rapid surgical correction of the regurgitant valve is required to survive this crisis.

Acute papillary muscle rupture after a myocardial infarction causes sudden, severe mitral regurgitation because the valve’s supporting structures are torn, leading to rapid pulmonary edema and shock. Medical therapy alone cannot fix the mechanical problem; it can stabilize briefly, but does not restore valve competence. The definitive, life-saving approach is emergency surgery to address the mitral valve. In this setting, mitral valve replacement is often performed because the tissue is damaged and repair is not always feasible, though repair can be possible in select cases. The key point is that rapid surgical correction of the regurgitant valve is required to survive this crisis.