Trends in Volume-Outcome Relationship in Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

759518 participants

Study Classification

OBSERVATIONAL

Study Start Date

2016-04-30

Study Completion Date

2017-04-30

Brief Summary

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The explanatory mechanism of the relationship between the volume of surgical procedures performed by individual hospitals and the occurrence of serious adverse events is not clear. Based on the " practice makes perfect " dogma, we will explore whether a learning effect can explain the volume-outcome relationship for complex surgical procedures using a nationwide dataset. Especially, we assume that increasing volume of procedures over time may be associated with improved outcomes.

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Detailed Description

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Conditions

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Surgical Procedures

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Hospitals with increasing activity

Hospitals experiencing an increase in the volume of surgical procedures over the study period

No intervention

Intervention Type OTHER

Hospitals with decreasing activity

Hospitals experiencing a decrease in the volume of surgical procedures over the study period

No intervention

Intervention Type OTHER

Hospitals with stable activity

Hospitals experiencing no change in the volume of surgical procedures over the study period

No intervention

Intervention Type OTHER

Interventions

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No intervention

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

All adults hospitalized to have one of the following major surgery: resection of oeso-gastric, intestinal and pancreatic cancer, treatment of intra-abdominal aortic aneurysm, coronary artery bypass graft, endarterectomy, hip fracture prosthesis