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Related Concept Videos

Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
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Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...

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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Early changes in pulmonary functions after mitral valve replacement.

Pankaj Saxena1, Suvitesh Luthra, Rajinder Singh Dhaliwal

  • 1Department of Cardiovascular and Thoracic Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Annals of Thoracic Medicine
|September 4, 2009
PubMed
Summary

Pulmonary functions decline after mitral valve replacement (MVR) surgery but gradually improve over three months. However, lung function capacity generally remains below predicted values post-MVR.

Keywords:
Mitral valve replacementpulmonary function test

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Area of Science:

  • Cardiology
  • Pulmonology
  • Thoracic Surgery

Background:

  • Rheumatic heart disease commonly affects the mitral valve, necessitating surgical intervention.
  • Mitral valve replacement (MVR) is a critical procedure for patients with severe mitral valve disease.
  • Pre-operative pulmonary dysfunction is a recognized complication in patients with advanced mitral valve disease.

Purpose of the Study:

  • To assess the impact of MVR on pulmonary function.
  • To evaluate the temporal changes in lung function post-MVR.
  • To correlate pulmonary function changes with New York Heart Association (NYHA) functional class.

Main Methods:

  • Prospective evaluation of 25 patients undergoing MVR for rheumatic mitral lesions.
  • Stratification of patients into NYHA functional classes (I-IV).
  • Pulmonary function tests (spirometry, lung volumes, diffusion capacity) performed pre-operatively and at 1 week, 1 month, and 3 months post-operatively.

Main Results:

  • Pre-operative pulmonary functions including forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), and peak expiratory flow rates were reduced.
  • Total lung capacity (TLC) and diffusion capacity (DLCO) were significantly impaired pre-operatively in NYHA Class III and IV patients.
  • Pulmonary functions transiently worsened at 1 week post-MVR, with gradual recovery over 3 months, though remaining below predicted values.

Conclusions:

  • Pulmonary functions exhibit immediate post-operative deterioration following MVR.
  • A gradual recovery trend in pulmonary function is observed within 3 months after MVR.
  • Despite recovery, pulmonary function parameters may not fully return to predicted normal levels.