What does this research mean for the field?

The inverse relationship between hospital coronary angioplasty procedure volume and major complication rates is independent of patient risk profiles, refuting the argument that lower-volume centers simply treat higher-risk patients. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To assess whether the inverse association between hospital procedural volume and major complication rates during coronary angioplasty is independent of baseline patient risk profiles.

October 11, 1995JAMA

The Critical Question of Procedure Volume Minimums for Coronary Angioplasty

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Why the study?

Does higher hospital procedural volume reduce the rate of major complications in patients undergoing PTCA?

Population

Patients undergoing percutaneous transluminal coronary angioplasty (PTCA)

Comparison

Higher hospital procedural volume vs Lower hospital procedural volume

Design

Editorial

Authors

TRThomas J. RyanDartmouth College

Discussion

Member takes

Implication

The editorial emphasizes that the inverse relationship between PTCA volume and complications is not merely due to higher-risk patients being treated at lower-volume centers.

Key Points

To assess whether the inverse association between hospital procedural volume and major complication rates during coronary angioplasty is independent of baseline patient risk profiles.
Analyzed data from the multicenter data registry of the Society for Cardiac Angiography and Interventions (SCA&I).
Evaluated the association between hospital PTCA procedural volume and the incidence of major procedure-related complications adjusted for patient case-mix and acuity.
Demonstrated an inverse relationship between hospital PTCA procedural volume and the rate of major complications.
Showed that differences in complication rates between low-volume and high-volume centers persist independently of differences in patient baseline risk profiles.

Structured PICO

Does higher hospital procedural volume reduce the rate of major complications in patients undergoing PTCA?

Population

Patients undergoing percutaneous transluminal coronary angioplasty (PTCA)

Intervention

Higher hospital procedural volume

Comparator

Lower hospital procedural volume

Outcome

Rate of major complications related to the proceduresafety

The editorial emphasizes that the inverse relationship between PTCA volume and complications is not merely due to higher-risk patients being treated at lower-volume centers.

Cite This Study

Thomas J. Ryan (1995) studied this question.

synapsesocial.com/papers/6a1401f8286917d7ca624ffa https://doi.org/10.1001/jama.1995.03530140081037

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Implication

The editorial emphasizes that the inverse relationship between PTCA volume and complications is not merely due to higher-risk patients being treated at lower-volume centers.

The Critical Question of Procedure Volume Minimums for Coronary Angioplasty

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

The Critical Question of Procedure Volume Minimums for Coronary Angioplasty

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider