Trimodal Prehabilitation for Aneurysm Surgery Study (T-PASS)
Primary Purpose
Aortic Aneurysm
Status
Completed
Phase
Not Applicable
Locations
Study Type
Interventional
Intervention
Post-intervention arm = Prehabilitation
Sponsored by
About this trial
This is an interventional supportive care trial for Aortic Aneurysm
Eligibility Criteria
Inclusion Criteria:
- patients undergoing elective repair, willing/able to undertake a period of prehabilitation, and those able to comprehend and retain instructions regarding self-training.
Exclusion Criteria:
- Symptomatic patients or those undergoing urgent treatment (< 2 weeks)
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm Type
No Intervention
Active Comparator
Arm Label
Pre-intervention
Post-intervention arm = Prehabilitation
Arm Description
Patients treated as standard before intervention
Introduction of rehabilitation program
Outcomes
Primary Outcome Measures
The Number of Patients Who Accepted Inclusion Into a Pre-operative Prehabilitation Programme
This describes the number of people within the study who were in the pre-habilitation study arm that accepted and completed the pre-habilitation training
Change From Baseline in Metabolic Equivalents (METS) at Six Weeks
• Metabolic equivalent level is a measure of physical fitness. One MET is defined as 3.5 mL 02 uptake/kg per minute which is the resting oxygen uptake in a sitting position. The achieved exercise capacity in METs has been shown to be predictive in older adult population of survival with higher MET levels associated with improved survival," or similar definition that is accurate and appropriate.
Decrease in Anxiety and Depression Scores (Hospital Anxiety and Depression Scale)
HADS is a validated questionnaire consisting of 7 statements relating to anxiety and 7 statements relating to depression. Each statement is scored between 0 and 3 giving a total score of up to 21 for each section. A score of 0-7 is assumed to be normal and score greater than this suggestive of a mood disorder
Number of Participants With Attendance at the Physical and Psychological and Social Training Appointments of the Rehabilitation Programme (Assessed by Bespoke Questionnaire)
Secondary Outcome Measures
HDU/ITU Resource Use (Number of Days Stay)
Observation to power a larger intervention study
LOS
Length of hospital stay after aortic surgery (number of days) - Observation to power a larger intervention study
Full Information
1. Study Identification
Unique Protocol Identification Number
NCT02292927
Brief Title
Trimodal Prehabilitation for Aneurysm Surgery Study
Acronym
T-PASS
Official Title
Maximising Recovery to Health Through Trimodal (Bio Psycho Social) Prehabilitation for Aneurysm Surgery Study
Study Type
Interventional
2. Study Status
Record Verification Date
May 2019
Overall Recruitment Status
Completed
Study Start Date
November 2014 (undefined)
Primary Completion Date
December 2015 (Actual)
Study Completion Date
December 2015 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Imperial College London
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
DESIGN: Single-centre, feasibility study AIMS: The aim of this study is to evaluate the acceptability and pre-operative impact on functional capacity of a trimodal prehabilitation program in a cohort of patients undergoing aneurysm repair.
This will enable the design (feasibility and power) of a large scale Randomised Controlled Trial.
Expected outcomes
The potential number of patients who would benefit, the compliance and acceptability of a pre-operative prehabilitation programme will be calculated.
Preoperatively, expected at 6-weeks, the change in physical fitness of patients (assessed by the physical function section of SF-36 and measured with peak flow/6-minute walk testing) during the pre-operative phase will be assessed in both groups.
The effects on quality of life, anxiety and depression on each study participant will be assessed immediately pre-op, expected at 6-weeks.
The number of patients who are able to reduce or cease smoking will be reported during the pre-op phase (expected at 6 weeks), as will length of hospital stay after aortic surgery, expected at 6-8 weeks.
POPULATION: Patients undergoing planned elective aortic surgery procedures
ELIGIBILITY: Adult patients (over 18 years) undergoing elective open and endovascular aneurysm repair with capacity to consent and physical fitness to undergo an pre-operative exercise programme DURATION: 1 year from 1st June 2014
Detailed Description
Proposed intervention - The introduction of a biopsychosocial intervention before surgery. The physical exercise programme will be a prescribed exercise training twice per week which will be supported by a physical therapist and vascular nurse specialist. A trained clinical psychologist will also deliver a brief psychological intervention based on cognitive behavioural therapy (CBT) techniques in two sessions to modify illness, surgical preparation and rehabilitation beliefs. Lastly patients will be counselled and referred to smoking cessation services as appropriate by the vascular nurse specialist.
Baseline information will include patient demographics and medical history, quality of life assessment using SF-36 forms, hospital anxiety and depression scale (HADS) and exercise testing by a standardised 6-minute walk test Information immediately pre-operatively will be collected to include a repeat assessment of physical function with a 6-minute walk test, SF-36 assessment and HADS scores. Smoking cessation rate will be collected.
A pre and post-intervention group will be studied over a 1-year period. We will report on the eligibility, acceptability and pre-operative effect of this trimodal rehabilitation programme.
AIM AND EXPECTED IMPACT
This is a non-randomised pre-post intervention pilot study to understand the acceptability and pre-operative effects of a combined physical, psychological and social prehabilitation package in patients undergoing aneurysm repair. This will enable the design (feasibility and power) of a large scale Randomised Controlled Trial.
Our hypotheses include:
The introduction of a prehabilitation programme will be acceptable to the majority of patients undergoing aneurysm surgery
A physical pre-operative exercise programme will increase physical fitness before surgery
A psychological intervention based on cognitive behaviour therapy techniques will reduce anxiety before surgery and prepare patients better for their post-operative recovery
The introduction of psycho-social counselling for smoking cessation will encourage more patients to give up smoking pre-operatively
PARTICIPANT ENTRY: PATIENTS
PRE-REGISTRATION EVALUATIONS The research team will identify eligible patients for recruitment into the study via clinic lists, multidisciplinary meetings and referral letters before the patient attends their clinic appointment. Only adult patients undergoing aortic surgery will be selected. Patient information leaflets will be given to selected patients and patients will be given the opportunity to read them and ask questions before deciding whether or not to participate.
INCLUSION CRITERIA
Adult patients (>18 years old) undergoing aortic aneurysm repair.
Ability to comprehend and retain instructions regarding self-training
Physical fitness allowing participation in an exercise programme.
EXCLUSION CRITERIA
Minors (<18 years old)
Adult patients who do not have capacity to consent.
Emergency or urgent procedures who will not have a necessary 6 week lead in time until operation.
WITHDRAWRAL CRITERIA The patient will be made aware that they may withdraw from the study at any time without providing a reason; their care and treatment will not be affected
STUDY DESIGN The acceptability of this programme will be studied and the pre-operative impact on functional capacity will be assessed in a comparator (pre-intervention) and post-intervention group.
Patients
Patients from Imperial College Healthcare NHS Trust Vascular Unit undergoing aortic aneurysm repair will be recruited.
Study Protocol
Our current vascular pre-operative assessment service is an established nurse led service, run by a dedicated aortic clinical nurse specialist. The prehabilitation would run in conjunction with the current pre-operative screening measures currently in place - which include dobutamine stress echocardiography, renal assessment and pulmonary function tests.
-Phase 1 - Comparator (pre-intervention) evaluation
Patients undergoing present standard of care - i.e. standard work-up for aneurysm repair without nurse-led prehabilitation strategy, who meet inclusion and exclusion criteria will be given a patient information leaflet, informed they are in the pre-intervention group and consented for inclusion in the study as detailed above.
At the baseline appointment, on the same day as work-up tests, information will be collected on standardised data collection sheets to include:
Patient demographics and medical history
Baseline Quality of Life assessment using SF-36 forms
Hospital anxiety and depression scale (HADS).
Exercise testing by a standardised 6-minute walk test
Peak Expiratory Flow Rate (PEFR)
Information immediately pre-operatively will be collected the day before operation (our standard admission is the day before) to include a repeat assessment of physical function with a 6-minute walk test, Peak Expiratory Flow Rate (PEFR), SF-36 assessment and HADS scores. Smoking cessation rate over the pre-operative period will be collected. The aneurysm repair will proceed as standard of care, and will be unchanged from standard practice.
-Phase 2 - Intervention
Proposed intervention - The introduction of a biopsychosocial intervention before surgery. The physical exercise programme will be prescribed exercise training twice per week which will be supported by our vascular nurse specialist, previously shown to have a small effect on length of stay in cardiac patients [12].
A trained specialist (a registered psychologist) will also deliver a brief psychological intervention based on cognitive behavioral therapy (CBT) techniques in two sessions to modify illness, surgical preparation and rehabilitation beliefs. This psychological intervention has been shown to be effective in encouraging claudicants to initiate and continue exercise training [13].
Lastly patients will be counselled and referred to smoking cessation services as appropriate.
Phase 2 protocol - During an initial set-up phase comprehensive information booklets will be developed to instruct the patient on these three modes of prehabilitation.
Patients who are eligible for the study will be approached in the same way as patients studied in the comparator group. At the baseline study visit, the same baseline information will be collected as for the comparator group i.e.:
At the baseline appointment, on the same day as work-up tests, information will be collected on standardised data collection sheets to include:
Patient demographics and medical history
Baseline Quality of Life assessment using SF-36 forms
Hospital anxiety and depression scale (HADS).
Exercise testing by a standardised 6-minute walk test
Peak Expiratory Flow Rate (PEFR)
In addition patients will receive:
Information booklets
Physical exercise plan, run-through and explanations.
Psychological therapy on this day or a mutually convenient day for patient and therapist.
Counselling by the nurse specialist and referral for smoking cessation
Patients will receive a telephone follow-up with the nurse specialist at week 2 and week 4 to evaluate progress and to encourage compliance with the programme. Between weeks 5-6 the patient will have a further session with the clinical psychologist, just prior to admission for treatment, to prepare them for their impending hospitalisation.
Again, information immediately pre-operatively will be collected to include a repeat assessment of physical function with a 6-minute walk test, Peak Expiratory Flow Rate (PEFR), SF-36 assessment and HADS score. In addition, patients will be asked to fill out a questionnaire assessing compliance with and acceptability of the prehabilitation programme. Smoking cessation rate will be collected.
Data Collection
The following demographic data will be recorded on standardised data collection forms for each patient, collected from patient records and the patient interviews:
Inclusion and exclusion criteria
Medical history/risk factors
ASA classification
Planned operative procedure details
Physical status using functional capacity, measured in metabolic equivalents (METs), with a Duke Activity Status Index (score of less than 4 indicates poor physical function).
Functional capacity may be usually expressed in metabolic equivalents (METs), where one MET is defined as the oxygen consumption of a 70-kg man at rest. Greater than 7 METs of activity tolerance is considered excellent, whereas less than 4 METs is considered poor activity tolerance.
The Duke Activity Status Index suggests questions that correlate with MET levels; for example, walking on level ground at about 4 miles per hour or carrying a bag of groceries up a flight of stairs expends approximately 4 METs of activity. This system is used by the Cleveland clinic for pre-operative cardiac evaluation. It allows a pre-operative assessment of physical function to assess predicted ability to cope at home after surgery. A brief, self-completed questionnaire (Appendix 1) can provide a standardized assessment of functional status that correlates well with an objective measure of maximal exercise capacity [14].
Post-operative data will be collected for patients in order to plan for a further study based on reducing length of stay.
Inpatient complications: grade and details using standardised data collection sheets
Length of stay
HDU/ITU use
Mortality
At base line visit and prior to operation each patient will be assessed using:
Baseline Quality of Life assessment using SF-36 forms
Hospital anxiety and depression scale (HADS).
Exercise testing by a standardised 6-minute walk test
Peak Expiratory Flow Rate (PEFR)
An event log will be recorded for each patient throughout the study period.
Patients undergoing intervention will be asked to complete a short questionnaire on compliance and acceptability of the prehabilitation programme.
ANALYSIS Completed data collection sheets will be analysed for omissions and missing data completed before being logged onto a central database and analysed by the research team at Imperial College, London, St. Mary's Campus.
The two groups will be compared using simple statistical methods. We intend to analyse and report on the following
The number of patients who accepted inclusion into a pre-operative prehabilitation programme will be calculated.
The change in physical fitness of patients (assessed by the physical function section of SF-36 and measured with peak flow/6-minute walk testing) during the pre-operative phase will be assessed pre and post-intervention groups.
The effects on quality of life.
The effect of a programme on anxiety and depression on each study participant will be assessed.
The number of patients who are able to reduce or cease smoking will be reported.
Compliance and acceptability of the prehabilitation programme.
Morbidity and Mortality, HDU/ITU resource use as well as Length of hospital stay after aortic surgery.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Aortic Aneurysm
7. Study Design
Primary Purpose
Supportive Care
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Masking Description
Open label
Allocation
Non-Randomized
Enrollment
25 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Pre-intervention
Arm Type
No Intervention
Arm Description
Patients treated as standard before intervention
Arm Title
Post-intervention arm = Prehabilitation
Arm Type
Active Comparator
Arm Description
Introduction of rehabilitation program
Intervention Type
Behavioral
Intervention Name(s)
Post-intervention arm = Prehabilitation
Intervention Description
Introduction of a physical exercise training programme, psychological counselling and smoking cessation advice
Primary Outcome Measure Information:
Title
The Number of Patients Who Accepted Inclusion Into a Pre-operative Prehabilitation Programme
Description
This describes the number of people within the study who were in the pre-habilitation study arm that accepted and completed the pre-habilitation training
Time Frame
Collected at screening
Title
Change From Baseline in Metabolic Equivalents (METS) at Six Weeks
Description
• Metabolic equivalent level is a measure of physical fitness. One MET is defined as 3.5 mL 02 uptake/kg per minute which is the resting oxygen uptake in a sitting position. The achieved exercise capacity in METs has been shown to be predictive in older adult population of survival with higher MET levels associated with improved survival," or similar definition that is accurate and appropriate.
Time Frame
Collected at baseline and (expected) 6 weeks
Title
Decrease in Anxiety and Depression Scores (Hospital Anxiety and Depression Scale)
Description
HADS is a validated questionnaire consisting of 7 statements relating to anxiety and 7 statements relating to depression. Each statement is scored between 0 and 3 giving a total score of up to 21 for each section. A score of 0-7 is assumed to be normal and score greater than this suggestive of a mood disorder
Time Frame
Collected at baseline and (expected) 6 weeks
Title
Number of Participants With Attendance at the Physical and Psychological and Social Training Appointments of the Rehabilitation Programme (Assessed by Bespoke Questionnaire)
Time Frame
Collected at baseline and during the study
Secondary Outcome Measure Information:
Title
HDU/ITU Resource Use (Number of Days Stay)
Description
Observation to power a larger intervention study
Time Frame
Collected at (expected) 6 weeks +hospital stay
Title
LOS
Description
Length of hospital stay after aortic surgery (number of days) - Observation to power a larger intervention study
Time Frame
Collected at (expected) 6 weeks +hospital stay
10. Eligibility
Sex
All
Minimum Age & Unit of Time
40 Years
Maximum Age & Unit of Time
95 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
- patients undergoing elective repair, willing/able to undertake a period of prehabilitation, and those able to comprehend and retain instructions regarding self-training.
Exclusion Criteria:
- Symptomatic patients or those undergoing urgent treatment (< 2 weeks)
12. IPD Sharing Statement
Plan to Share IPD
No
IPD Sharing Plan Description
This trial did not complete as expected and therefore there are no meaningful participant data to share.
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Trimodal Prehabilitation for Aneurysm Surgery Study
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