Table 1: Staging of Mitral Stenosis (MS) - Public Safety Medicine

SECTIONS

Introduction to Valvular Heart Disease

Mitral Stenosis

Mitral Regurgitation

Mitral Valve Prolapse

Aortic Stenosis

Aortic Regurgitation

Valve (Mechanical or Bioprosthetic) Implantations with a Transcatheter or Surgical Approach

Table 1: Staging of Mitral Stenosis (MS)

Table 2: Staging of Chronic Primary Mitral Regurgitation (MR)*

Table 3: Staging of Aortic Stenosis (AS)*

Table 4: Staging of Chronic Aortic Regurgitation*

Table 1: Staging of Mitral Stenosis (MS)*

Stage	Definition	MV Anatomy	MV Hemodynamics	Hemodynamic Consequences	Symptoms
A	At the risk of MS	-Mild MV doming during diastole	-Normal transmitral flow velocity	None	None
B	Progressive MS	-MV area >1.5cm2	-Diastolic pressure half-time <150ms	-Normal pulmonary pressure at rest	None
C	Asymptomatic severe MS	-MV area ≤1.5cm2	-Diastolic pressure half-time ≥150ms	Elevated PASP >50mm Hg	None
D	Symptomatic severe MS	Same as C above	Same as C above	Same as C above	-Reduced exercise tolerance -Exertional dyspnea

MS – Mitral stenosis – Mitral value; PASP – pulmonary artery systolic pressure

*Adapted and modified from Table 16. Otto CM, Nishimura RA, Bonow RO, et al. 2020 ACC/AHA guideline for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association joint committee on clinical practice guidelines. Circulation. 2020;143(5):e72-e227. At: https://www.ahajournals.org/doi/10.1161/CIR.0000000000000923, accessed 1/16/2024.

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