What does this research mean for the field?

Following mitral valve replacement or repair, patients experience significant reductions in heart volume and cardiothoracic ratio, though these rarely return to normal due to residual mild mitral stenosis, irreversible pulmonary lesions, and loss of atrial wall elasticity. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate radiographic changes in heart size and pulmonary vasculature before and one year after mitral valve replacement or repair.

October 1, 1967British Journal of Radiology

Changes in the Appearances of the Chest Radiograph after a Repair or Replacement Operation on the Mitral Valve

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Why the study?

Does mitral valve replacement or repair improve chest radiograph appearances in patients with mitral valve disease?

Population

48 patients with mitral valve disease

Comparison

Mitral valve replacement with the University of… vs Pre-operative baseline (one year before operation)

Design

Cohort

Follow-up

one year

Authors

MGMervyn S. GotsmanUniversity of Cape Town WBWalter BeckUniversity of Northern Iowa CBC.N. BarnardUniversity of Cape Town

Discussion

Member takes

Implication

Mitral valve surgery was associated with reduced heart volume on radiographs; leaves open whether changes affect outcomes or require monitoring.

Key Points

To evaluate radiographic changes in heart size and pulmonary vasculature before and one year after mitral valve replacement or repair.
Evaluated chest radiographs before and one year after mitral valve replacement using a lenticular prosthesis in 32 patients categorized by valve pathology.
Assessed chest radiographs one year before and one year after surgical repair for dominant mitral incompetence across 17 operations in 16 patients.
Following valve replacement, heart volume and cardiothoracic ratio decreased in 29 of 32 patients, but normalized in only five patients, with lung appearance normalizing in only two.
Post-replacement residual mild mitral stenosis led to persistent upper zone pulmonary vascular distension, right atrial enlargement in 13 patients, and left atrial enlargement in eight patients.
Following mitral valve repair (10 excellent, four good, and three failed outcomes), cardiac chamber volumes and pulmonary veins decreased in proportion to operative success without fully normalizing.

Structured PICO

Does mitral valve replacement or repair improve chest radiograph appearances in patients with mitral valve disease?

Population

48 patients with mitral valve disease (32 undergoing mitral valve replacement, 16 undergoing repair for dominant mitral incompetence)

Intervention

Mitral valve replacement with the University of Cape Town lenticular prosthesis or mitral valve repair operation

Comparator

Pre-operative baseline (one year before operation)

Outcome

Changes in chest radiograph appearances (heart volume, cardiothoracic ratio, pulmonary vascular bed, atrial/ventricular enlargement)surrogate

Mitral valve surgery significantly reduces heart volume and improves pulmonary vascular changes on chest radiographs, though complete normalization is rare.

Cite This Study

Gotsman et al. (1967) studied this question.

synapsesocial.com/papers/6a12932bea48cb855a351be8 https://doi.org/10.1259/0007-1285-40-478-724

Topics

Mitral valve intervention Valvular heart disease

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Implication

Mitral valve surgery was associated with reduced heart volume on radiographs; leaves open whether changes affect outcomes or require monitoring.

Changes in the Appearances of the Chest Radiograph after a Repair or Replacement Operation on the Mitral Valve

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Topics

Changes in the Appearances of the Chest Radiograph after a Repair or Replacement Operation on the Mitral Valve

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider