Pre-operative assessment Surgery
Conditions
Interventions
This is a concurrent validity study. In practice all participants will complete two exercise tests during their attendance at the pre-operative assessment clinic. After gaining consent the participant
Sponsors
James Cook University Hospital (UK)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged between 50 and 85 years of age, either sex 2. Awaiting major surgery for: colorectal resection, upper gastrointestinal tract disease, major vascular procedures, major urological and major gynaecological procedures 3. Identified through the surgical pre-operative assessment clinics where participants are routinely assessed prior to surgery
Exclusion criteria
Exclusion criteria: 1. Emergency surgery 2. Aged less than 50 and greater than 85 years 3. Medical conditions causing inability to walk 4. Unable to complete baseline CPET test 5. Unable to give informed consent 6. Medical contraindications to CPET and 6MWT: 6.1. New York Heart Association Functional Classification greater than or equal to Class III 6.2. Canadian Cardiovascular Society Angina Grading Scale greater than or equal to Class III 6.3. European Society of Hypertension Classification Grades greater than or equal to III 7. Aortic stenosis greater than or equal to moderate (i.e. valve area less than 1.0 cm^2) 8. Hypertrophic cardiomyopathy 9. Symptomatic arrhythmias 10. Spinal cord injury 11. Primary muscular disorder 12. Uncontrolled epileptic seizures 13. Pregnancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The outcome of a concurrent validity study is determined by the two criterion measures (AT and VO2 peak) and the two predictors (walking distance and body weight product). This will allow us to calculate the typical predictive error in the estimation of AT from the results of a 6MWT. This is measured during clinic attendance. | — |
Secondary
| Measure | Time frame |
|---|---|
| Recorded after discharge from hospital: 1. Morbidity and mortality, 30-day mortality also collected 30 days from discharge 2. Length of stay in critical care, measured in days 3. Length of stay in hospital, measured in days 4. Further measures of pre-operative assessment will be analysed in order to best assess the estimation of exercise capacity | — |
Countries
United Kingdom
Outcome results
None listed