Mitral regurgitation stages: Difference between revisions
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|'''A''' | |'''A''' | ||
|At risk of [[MR]] | |At risk of [[MR]] | ||
|❑ Mild MVP, normal coaptation<br>❑ Mild valve thickening with leaflet restriction | |❑ Mild [[MVP]], normal coaptation<br>❑ Mild valve thickening with leaflet restriction | ||
|❑ No [[MR]] jet area OR<br>❑ Central jet area < 20% LA on doppler<br>❑ Small vena contracta< 0.3 cm | |❑ No [[MR]] jet area OR<br>❑ Central jet area < 20% LA on doppler<br>❑ Small vena contracta <0.3 cm | ||
|None | |None | ||
|None | |None | ||
Line 33: | Line 33: | ||
|'''B''' | |'''B''' | ||
|Progressive [[MR]] | |Progressive [[MR]] | ||
|❑ Severe MVP, normal coaptation<br>❑ Rheumatic valve changes with leaflet restriction,<br> loss of central coaptation<br> | |❑ Severe MVP, normal coaptation<br>❑ Rheumatic valve changes with leaflet restriction,<br> loss of central coaptation<br>❑ Prior IE | ||
|❑ Central jet area 20-40% LA OR<br>late systolic eccentric jet [[MR]]<br>❑ Vena contracta < 0.7 cm<br> | |❑ Central jet area 20-40% LA OR<br>late systolic eccentric jet [[MR]]<br>❑ Vena contracta < 0.7 cm<br>❑ Regurgitant volume < 60 ml<br>❑ Regurgitant fraction <50 %<br>❑ ERO <0.40 cm<sup>2</sup><br>❑ Angiographic grade 1 - 2+ | ||
|❑ Mild LA enlargement<br>❑ No LV enlargement<br> | |❑ Mild LA enlargement<br>❑ No LV enlargement<br>❑ Normal pulmonary pressure | ||
|None | |None | ||
|- | |- | ||
|'''C''' | |'''C''' | ||
|Asymptomatic severe [[MR]] | |Asymptomatic severe [[MR]] | ||
|❑ Severe MVP, flail leaflet<br>❑ Rheumatic valve changes with leaflet restriction,<br> loss of central coaptation<br> | |❑ Severe MVP, flail leaflet<br>❑ Rheumatic valve changes with leaflet restriction,<br> loss of central coaptation<br>❑ Prior IE<br> | ||
❑ Thickening of leaflets in case of radiation heart disease | ❑ Thickening of leaflets in case of radiation heart disease | ||
|❑ Central jet area > 40% LA OR<br>holosystolic eccentric jet [[MR]]<br>❑ Vena contracta ≥ 0.7 cm<br> | |❑ Central jet area > 40% LA OR<br>holosystolic eccentric jet [[MR]]<br>❑ Vena contracta ≥ 0.7 cm<br>❑ Regurgitant volume ≥ 60 ml<br>❑ Regurgitant fraction ≥50 %<br>❑ ERO ≥0.40 cm<sup>2</sup><br>❑ Angiographic grade 3 - 4+ | ||
|❑ Moderate to severe LA enlargement<br>❑ LV enlargement<br>❑[[Pulmonary hypertension]] present at rest or with exercise<br>❑ '''C1''': LVEF > 60% and LVESD < 40 mm<br> ❑'''C2''': LVEF ≤ 60 % and LVESD ≥ 40 mm | |❑ Moderate to severe LA enlargement<br>❑ LV enlargement<br>❑[[Pulmonary hypertension]] present at rest or with exercise<br>❑ '''C1''': LVEF > 60% and LVESD < 40 mm<br> ❑ '''C2''': LVEF ≤ 60 % and LVESD ≥ 40 mm | ||
|None | |None | ||
|- | |- | ||
|'''D'''||Symptomatic severe [[MR]] | |'''D'''||Symptomatic severe [[MR]] | ||
|❑ Severe MVP, flail leaflet<br>❑ Rheumatic valve changes with leaflet restriction,<br> loss of central coaptation<br> | |❑ Severe MVP, flail leaflet<br>❑ Rheumatic valve changes with leaflet restriction,<br> loss of central coaptation<br>❑ Prior IE<br> | ||
❑ Thickening of leaflets in case of radiation heart disease | ❑ Thickening of leaflets in case of radiation heart disease | ||
|❑ Central jet area > 40% LA OR<br>holosystolic eccentric jet [[MR]]<br>❑ Vena contracta ≥ 0.7 cm<br> | |❑ Central jet area >40% LA OR<br>holosystolic eccentric jet [[MR]]<br>❑ Vena contracta ≥ 0.7 cm<br>❑ Regurgitant volume ≥ 60 ml<br>❑ Regurgitant fraction ≥ 50 %<br>❑ ERO ≥0.40 cm<sup>2</sup><br>❑ Angiographic grade 3 - 4+ | ||
|❑ Moderate to severe LA enlargement<br>❑ LV enlargement<br>❑[[Pulmonary hypertension]] present | |❑ Moderate to severe LA enlargement<br>❑ LV enlargement<br>❑[[Pulmonary hypertension]] present | ||
|❑ Decreased exercise tolerance<br>❑ [[Exertional dyspnea]] | |❑ Decreased exercise tolerance<br>❑ [[Exertional dyspnea]] |
Revision as of 02:18, 3 September 2014
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Twinkle Singh, M.B.B.S. [2]
Primary Mitral Regurgitation
Stages of Primary Mitral Regurgitation
Shown below is the able depicting stages of mitral regurgitation, adapted from 2014 AHA/ACC guidelines for management of valvular heart disease.[1]
STAGE | DEFINITION | VALVE ANATOMY | VALVE HEMODYNAMICS | HEMODYNAMIC CONSEQUENCES | SYMPTOMS |
---|---|---|---|---|---|
A | At risk of MR | ❑ Mild MVP, normal coaptation ❑ Mild valve thickening with leaflet restriction |
❑ No MR jet area OR ❑ Central jet area < 20% LA on doppler ❑ Small vena contracta <0.3 cm |
None | None |
B | Progressive MR | ❑ Severe MVP, normal coaptation ❑ Rheumatic valve changes with leaflet restriction, loss of central coaptation ❑ Prior IE |
❑ Central jet area 20-40% LA OR late systolic eccentric jet MR ❑ Vena contracta < 0.7 cm ❑ Regurgitant volume < 60 ml ❑ Regurgitant fraction <50 % ❑ ERO <0.40 cm2 ❑ Angiographic grade 1 - 2+ |
❑ Mild LA enlargement ❑ No LV enlargement ❑ Normal pulmonary pressure |
None |
C | Asymptomatic severe MR | ❑ Severe MVP, flail leaflet ❑ Rheumatic valve changes with leaflet restriction, loss of central coaptation ❑ Prior IE ❑ Thickening of leaflets in case of radiation heart disease |
❑ Central jet area > 40% LA OR holosystolic eccentric jet MR ❑ Vena contracta ≥ 0.7 cm ❑ Regurgitant volume ≥ 60 ml ❑ Regurgitant fraction ≥50 % ❑ ERO ≥0.40 cm2 ❑ Angiographic grade 3 - 4+ |
❑ Moderate to severe LA enlargement ❑ LV enlargement ❑Pulmonary hypertension present at rest or with exercise ❑ C1: LVEF > 60% and LVESD < 40 mm ❑ C2: LVEF ≤ 60 % and LVESD ≥ 40 mm |
None |
D | Symptomatic severe MR | ❑ Severe MVP, flail leaflet ❑ Rheumatic valve changes with leaflet restriction, loss of central coaptation ❑ Prior IE ❑ Thickening of leaflets in case of radiation heart disease |
❑ Central jet area >40% LA OR holosystolic eccentric jet MR ❑ Vena contracta ≥ 0.7 cm ❑ Regurgitant volume ≥ 60 ml ❑ Regurgitant fraction ≥ 50 % ❑ ERO ≥0.40 cm2 ❑ Angiographic grade 3 - 4+ |
❑ Moderate to severe LA enlargement ❑ LV enlargement ❑Pulmonary hypertension present |
❑ Decreased exercise tolerance ❑ Exertional dyspnea |
MR: Mitral regurgitation; MVP: Mitral valve prolapse; IE: Infective endocarditis; LA: Left atrium; ERO: Effective regurgitant orifice; LV: Left ventricle; LVEF: Left ventricular ejection fraction; LVESD: Left ventricular end systolic dimension
References
- ↑ Nishimura RA, Otto CM, Bonow RO, Carabello BA, Erwin JP, Guyton RA; et al. (2014). "2014 AHA/ACC Guideline for the Management of Patients With Valvular Heart Disease: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines". Circulation. doi:10.1161/CIR.0000000000000029. PMID 24589852.