What question did this study set out to answer?

To evaluate the relationship between the average annual volume of acute myocardial infarction cases treated by admitting physicians and subsequent patient mortality.

June 27, 2001JAMA

Relationship Between Annual Volume of Patients Treated by Admitting Physician and Mortality After Acute Myocardial Infarction

View Full Paper

Ask AI

Bookmark

Why the study?

Does treatment by high-volume admitting physicians reduce mortality at 30 days and 1 year in patients with acute myocardial infarction?

Population

98,194 patients with acute myocardial infarction treated by 5,374 physicians between April 1, 1992, and…

Comparison

Treatment by high-volume admitting physicians vs Treatment by low-volume admitting physicians

Design

Cohort

Follow-up

1 year

Authors

JTJack V. TuHeart Failure & Transplant

Discussion

Member takes

Implication

Associated with lower AMI mortality; hypothesis-generating and requires randomized confirmation before practice change.

Key Points

To evaluate the relationship between the average annual volume of acute myocardial infarction cases treated by admitting physicians and subsequent patient mortality.
Retrospective cohort study using linked administrative health databases in Ontario, Canada, between April 1, 1992, and March 31, 1998.
Analyzed N=98,194 patients with acute myocardial infarction admitted by 5,374 physicians, tracking risk-adjusted mortality at 30 days and 1 year post-infarction.
The 30-day risk-adjusted mortality rate was 11.8% for physicians treating >24 cases annually compared with 15.3% for those treating ≤5 cases annually (P<.001).
The 1-year risk-adjusted mortality rate was 19.6% for physicians treating >24 cases annually compared with 24.2% for those treating ≤5 cases annually (P<.001).

Structured PICO

Does treatment by high-volume admitting physicians reduce mortality at 30 days and 1 year in patients with acute myocardial infarction?

Population

98,194 patients with acute myocardial infarction (AMI) treated by 5,374 physicians between April 1, 1992, and March 31, 1998, in Ontario, Canada.

Intervention

Treatment by high-volume admitting physicians (more than 24 AMI cases annually, highest quartile)

Comparator

Treatment by low-volume admitting physicians (5 or fewer AMI cases per year, lowest quartile)

Outcome

Mortality risk rates for 30 days and 1 year post-AMI, adjusted by physician volume and patient, physician, and hospital characteristicshard clinical

Patients with acute myocardial infarction treated by high-volume admitting physicians have significantly lower 30-day and 1-year mortality rates compared to those treated by low-volume physicians.

Cite This Study

Jack V. Tu (2001) studied this question.

synapsesocial.com/papers/6a0fefacb6f5ee0401601db7 https://doi.org/10.1001/jama.285.24.3116

View Full Paper

Ask AI

Bookmark

Relationship Between Annual Volume of Patients Treated by Admitting Physician and Mortality After Acute Myocardial Infarction

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Relationship Between Annual Volume of Patients Treated by Admitting Physician and Mortality After Acute Myocardial Infarction

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Also Consider