What is the clinical evidence from this study?

Study design: Observational. Population: Mitral stenosis (n=1000). Intervention: Mitral commissurotomy. Primary outcome: Recurrent symptoms caused by restenosis.

What question did this study set out to answer?

To evaluate the incidence, underlying causes, and diagnostic features of recurrent mitral stenosis following surgical mitral commissurotomy.

April 27, 1957JAMA

Recurrent Mitral Stenosis

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Key result

Among 1,000 patients who underwent mitral commissurotomy, 2.2% developed recurrent symptoms caused by restenosis, with 6 deaths and 16 requiring reoperation.

Population

1,000 patients who underwent mitral commissurotomy, focusing on 22 patients with recurrent symptoms caused…

Design

Cohort

Authors

CBCharles P. BaileyMaidstone and Tunbridge Wells NHS Trust

Discussion

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Implication

Symptomatic restenosis after mitral commissurotomy remains infrequent yet serious; observational data leave open whether refined techniques reduce long-term risk.

Key Points

To evaluate the incidence, underlying causes, and diagnostic features of recurrent mitral stenosis following surgical mitral commissurotomy.
Retrospective review of long-term surgical outcomes in a series of 1,000 patients undergoing mitral commissurotomy.
Diagnostic verification performed via simultaneous right and left heart catheterization, reoperation, and postmortem examinations.
Recurrent mitral stenosis occurred in 22 of 1,000 patients (2.2%) following surgical commissurotomy due to refusion of the separated valve leaflets.
Six patients died of congestive heart failure after at least one year of temporary clinical improvement, while 16 underwent repeat surgery.
Active rheumatic endocarditis contributed to recurrence, which can be mitigated using an improved right-sided operative approach for complete valve separation.

Study Design

Type

Observational (n=1,000)

Structured PICO

Population

1,000 patients who underwent mitral commissurotomy, analyzed for recurrent symptoms of restenosis.

Exposure

Mitral commissurotomy

Outcome

Recurrent symptoms caused by restenosis

Restenosis after mitral commissurotomy occurs in a small subset of patients, potentially leading to heart failure and death, highlighting the need for improved surgical techniques such as a right-sided approach.

Cite This Study

Charles P. Bailey (1957) conducted an observational in Mitral stenosis (n=1,000). Mitral commissurotomy was evaluated on Recurrent symptoms caused by restenosis. Among 1,000 patients who underwent mitral commissurotomy, 2.2% developed recurrent symptoms caused by restenosis, with 6 deaths and 16 requiring reoperation.

synapsesocial.com/papers/6a93b0cfa05f7032207c03e0 https://doi.org/10.1001/jama.1957.02970520010003

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Implication

Symptomatic restenosis after mitral commissurotomy remains infrequent yet serious; observational data leave open whether refined techniques reduce long-term risk.

Recurrent Mitral Stenosis

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Cite This Study

Recurrent Mitral Stenosis

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Cite This Study

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