# Adult Presentation of Congenital Mitral Stenosis: The Challenges of a True Parachute Mitral Valve

## TL;DR

A rare heart valve condition called parachute mitral valve is diagnosed in an adult and successfully treated with surgery.

## Contribution

The paper presents a rare case of adult-onset parachute mitral valve and highlights the effectiveness of valve replacement.

## Key findings

- Adult parachute mitral valve is rare and often underdiagnosed.
- Surgical valve replacement is effective in complex cases of PMV.
- Early diagnosis and intervention are crucial for successful outcomes.

## Abstract

Parachute mitral valve (PMV) is a rare congenital anomaly where all chordae tendineae insert into a single papillary muscle, causing stenosis or regurgitation. Adult presentations are uncommon and often underdiagnosed.

A 35-year-old male presented with exertional dyspnea. Echocardiography demonstrated severe mitral stenosis, reduced ejection fraction, a bicuspid aortic valve, and pulmonary hypertension. Intraoperative findings confirmed true PMV. Due to anatomical complexity, a 27-mm mechanical prosthesis replacement was performed successfully, with rapid postoperative recovery.

Adult PMV requires high clinical suspicion and often surgical confirmation. Valve replacement is effective in complex cases, emphasizing the importance of early diagnosis and intervention.