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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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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Hospitals with increasing activity | Hospitals experiencing an increase in the volume of surgical procedures over the study period |
| |
| Hospitals with decreasing activity | Hospitals experiencing a decrease in the volume of surgical procedures over the study period |
| |
| Hospitals with stable activity | Hospitals experiencing no change in the volume of surgical procedures over the study period |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| No intervention | Other |
|
| Measure | Description | Time Frame |
|---|---|---|
| Inpatient mortality | Within 30 days of surgical procedure |
| Measure | Description | Time Frame |
|---|---|---|
| Reoperation occurence | Within 30 days of surgical procedure | |
| Occurence of intensive or critical care unit stay | Within 30 days of surgical procedure | |
| Occurence of postoperative complication |
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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
Exclusion Criteria:
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All patients operated in French public and private hospitals from January 2010 to December 2014
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| Name | Affiliation | Role |
|---|---|---|
| Antoine DUCLOS, MD, PhD | Hospices Civils de Lyon | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Pôle Information Médicale Evaluation Recherche des Hospices Civils de Lyon | Lyon | 69002 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32238160 | Derived | Payet C, Polazzi S, Lifante JC, Cotte E, Grinberg D, Carty MJ, Sanchez S, Rabilloud M, Duclos A. Influence of trends in hospital volume over time on patient outcomes for high-risk surgery. BMC Health Serv Res. 2020 Apr 1;20(1):274. doi: 10.1186/s12913-020-05126-4. |
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Postoperative complication includes sepsis, pulmonary embolism or deep vein thrombosis and cardiac arrest |
| Within 30 days of surgical procedure |
| Occurence of unplanned hospital readmission | Within 30 days of hospital discharge related to index stay |