following the outpatient with severe mitral regurgitation marilyn weigner md riacc 9/02
TRANSCRIPT
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Following the Outpatient with SevereMitral Regurgitation
Marilyn Weigner MDRIACC 9/02
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Mitral Regurgitation
Potentially surgical:
moderate to severe orsevere mitral regurgitation
Probably not surgical:
mild or mild to moderatemitral regurgitation
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How closely should I follow a patient with severe mitral regurgitation?
Should the specific mitral valve anatomy influencetiming of intervention?
Are medications (ACE inhibitors/ beta blockers) useful in these patients?
When should I refer to a cardiologist?
Is it “too late”?
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The patient is a 44 year old man with mitral valve prolapse and severe mitral regurgitation. He has been followed with office visits and serial echocardiograms. He now complains of new onset dyspnea and fatigue with a activities whichhad previously been easy for him.
On exam: bp 120/85 hr 70 bpm jvp flat Cardiac: RRR loud holosystolic murmur at apex Lungs: clear Extremities: normal
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Normal LV Size and function (EF 60%) Mitral leaflet prolapse and severe mitral regurgitation PA pressure estimated at 50 mmHg (elevated) Enlarged left atria
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Management?
a) Start captopril and lasix and follow the patient closely
b) Repeat echo and exam in 6 months
c) Suggest a surgical consult for mitral valve replacement (he is young and the St Jude valves last a long time)
d) Refer for cardiac cath (cath is a better test than echo)
e) Suggest surgical consult for mitral valve repair
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ACC Guidelines : www.acc.org
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Symptoms: Dyspnea and or fatigue
Anatomy: Prolapse/Flail can often be repaired
The left ventricle: Dysfunction/Enlargement
Pulmonary artery pressure: elevation is sign ofdecompensation
Rhythm: atrial fibrillation
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Survival is better amongst patients who underwent repair
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Reoperation rates slightly lower in patients who had repair
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How should I follow a patient with asymptomaticsevere mitral regurgitation? Patient with potentially surgical mitral regurgitation:-exam every 6 months and serial echocardiography looking for any signs of deterioration
Does the specifics of mitral valve anatomy matter?Yes. Patients who have severe mitral regurgitation andmitral valve prolapse/flail leaftlets require closestfollow-up because the “threshold” for surgical intervention should be lower
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Are any medications helpful?In general, patients with severe mitral regurgitation should probably not be treated with medications—instead, follow closely for indications that it is time forsurgical intervention
No real “evidence-based” role for ace inhibitors or beta blockers for isolated mitral regurgitation
When should I refer to a cardiologist?Consider cardiology input on any patient with potentiallysurgical mitral regurgitaion---help choose the “window”of opportunity for intervention---- it can get to be “too late”………
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Patient with severe mitral regurgitationnow with left ventricular dysfunction
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Severe mitral regurgitation with left ventricular dysfunction