General Surgery, Geriatrics, Outcomes Research
Conditions
Brief summary
The investigators will examine the association between preoperative frailty and postoperative outcomes and resource utilization after emergency general surgery.
Interventions
OTHERFrailty
Participants will be defined as frail based on the Johns Hopkins ACG Frailty Defining Diagnoses Indicator, which will be applied to available health administrative data in the 3 years preceding index hospital admission. If no frailty defining diagnoses are present participants will be defined as not frail
Sponsors
Ottawa Hospital Research Institute
Study design
Observational model
COHORT
Time perspective
RETROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
65 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* All residents of Ontario aged more than 65 years on their surgery date with valid provincial health insurance who have an emergency general surgery procedure (large bowel surgery, small bowel surgery, cholecystectomy, control of hemorrhage from duodenal ulcer, lysis of adhesions, appendectomy, laparotomy)
Exclusion criteria
* No valid provincial health insurance
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Mortality | 365 days (from date of surgery) | Mortality events will be identified from the registered person's database in Ontario from the date of surgery to 365 days after surgery, at which time participants will be censored |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Hospital length of stay | day of surgery to 365 days after surgery | Number of days in hospital from date of surgery to 365 days after surgery |
| Intensive care unit admission | from date of surgery to 30 days after surgery | Presence of a special care unit admission from the Discharge abstract database from the date of surgery to 30 days after surgery |
| Institutional discharge | Date of surgery to hospital discharge or 365 days after surgery (at which time participants will be censored) | Discharge disposition to an institution in the discharge abstract database |
| Costs | day of surgery to 365 days after surgery | Total costs incurred by the provincial health care system from the day of surgery to 365 days after surgery |
Countries
Canada
Outcome results
None listed