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| Name | Class |
|---|---|
| University Health Network, Toronto | OTHER |
| MSH-UHN AMO Innovation Fund | UNKNOWN |
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Surgical prehabilitation is the process of enhancing one's physical function and mental capacity to enable him/or her to withstand the stressor of surgery. Prehabilitation can be achieved via optimizing physical fitness, nutrition, and psychological health. Studies have shown that prehabilitation may prevent complications during and after surgery, reduce hospital length of stay, and improve postoperative recovery. Despite the growing interest in the field of prehabilitation, little is understood about how to implement prehabilitation an integrated clinical service. This study will examine the effect of a prehabilitation program that includes exercise, psychological, and nutritional optimization that emulates clinical integration pathways. Participants of this study will have a choice of participating in facility-based prehabilitation (FBP) or home-based prehabilitation (HBP) depending on their needs/accessibility to the Toronto General Hospital. Participant outcomes will be measured using standardized fitness testing, self-report questionnaires, and medical record reviews at baseline, one week preoperatively, and at 30 and 90 days postoperatively. A comprehensive assessment of feasibility will also be conducted to better understand facilitators and barriers to clinical integration.
There is growing interest in the role of prehabilitation to reduce surgical risk, attenuate surgery-related deconditioning, and facilitate postoperative recovery. Compared to the postoperative setting, initiating health interventions preoperatively is proposed as an important strategy to improve health outcomes because: i) it targets modifiable risk factors for surgical complications; ii) patients may be more physically and/or psychologically capable of affecting change in health status compared to the early postoperative period; iii) wait times prior to surgery may be several weeks thus representing an opportunity to proactively invest in their recovery; and iv) patients may be sensitized to the importance of adverse health behaviours that may have contributed to the need for surgery (i.e. a 'teachable moment'). The potential benefit of prehabilitation extends beyond potential gains in health from baseline to surgery, but also includes the prevention or attenuation of deconditioning that patients experience during the postoperative period. The findings of recent systematic reviews and meta-analyses assessing the benefits of prehabilitation interventions in surgical patients provide support for their efficacy in improving physical fitness, length of stay, surgical complication rates, and health-related quality of life (HRQOL).
While previous interventional studies have demonstrated promising findings, little is known about how feasible it is to integrate prehabilitation into standard of care for people awaiting surgery. This study intends to employ intervention design features previously shown to be feasible and efficacious and employs a hybrid effectiveness-implementation trial design model to assess feasibility of clinical integration.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Facility-based prehabilitation (FBP) | Experimental | Exercise
Nutrition
Stress management and behavioural support
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| Home-based prehabilitation (HBP) | Experimental | Exercise
Nutrition
Stress management and behavioural support
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Exercise, nutritional optimization, and psychoeducation | Behavioral | Multimodal prehabilitation including exercise, nutrition, and stress-management delivered via a facility-based or home-based model |
| Measure | Description | Time Frame |
|---|---|---|
| Referral and Enrollment Data |
| Baseline |
| Window of opportunity | The 'prehabilitation window' will be recorded and is operationally defined as the time from program referral to the date of surgery. We will also describe the total preoperative period (time between consent for surgery and date of surgery) and prehabilitation program duration (time from program initiation to surgery). Each of these periods will be recorded in days. | Baseline to surgery |
| Intervention adherence and fidelity |
| Baseline to surgery |
| Study retention |
| Measure | Description | Time Frame |
|---|---|---|
| Hospital length of stay | Postoperative length of stay will be recorded from the patient's medical record. This will be calculated from the date of surgery until to the date of discharge from the hospital and recorded in hours. | Up to 90-days postoperatively |
| Postoperative complications and mortality |
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Inclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Daniel Santa Mina, PhD | University of Toronto | Principal Investigator |
| Ian Randall, MD | University Health Network, Toronto | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Health Network | Toronto | Ontario | M5G 2C4 | Canada |
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| ID | Term |
|---|---|
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D001519 | Behavior |
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| ID | Term |
|---|---|
| D015444 | Exercise |
| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |
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Effectiveness-Implementation hybrid model
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| Usual Care | No Intervention | - This group will receive no additional intervention from the routine care. |
- The frequency of drop-out during program participation will be documented including reasons for drop-out. Descriptive statistics for demographic data and reasons will be used to describe program completers and drop-outs. |
| Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
| Barriers and facilitators | Qualitative content analysis on barriers and facilitators for prehabilitation participation and engagement will be conducted using semi-structured interviews. Both participants of prehabilitation and usual care will be asked to participate in interviews via telephone or in-person. To reach saturation for identifying meta-themes within a heterogenous population, sample of has been suggested 15 for the collection of prevalent and more salient ideas. | 30-day postoperatively |
| Safety and adverse events | Any safety or adverse events related to the prehabilitation intervention will be reported at each in-person session for FBP participants and during weekly telephone calls with HBP participants. Reporting and grading will follow the Common Terminology Criteria for Adverse Events version 5.0. | Baseline to surgery |
| Economic feasibility (hospital perspective) | A cost impact on the perspective of the hospital will be conducted based on primary hospital length of stay, readmission, and readmission length of stay. This will be used to determine cost differences between those that participate in prehabilitation (FBP and HBP) compared to usual care. | Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
| Economic feasibility (patient perspective) | Patient-perspective costing will be measured by a patient-reported cost-diary. This includes: direct healthcare cost (i.e. visits to the general practice, specialists care, unities applied to prescribed medication); direct non-health care costs (i.e. cost of over-the-counter medication, cost of health activities, hours of paid and unpaid household help, transportation, and value of other out-of-pocket expenses, with specifics on exercise-related expenses)l and indirect costs (i.e. number of days absent from work, days lost from housekeeping, and other daily activities). | Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
Complications, including mortality, will follow the Clavien-Dindo classification. Any health event that requires readmission will also be documented. |
| Up to 90-days postoperatively |
| Changes in aerobic functional capacity | Aerobic functional capacity will be measured using the Six-Minute Walk Test (6MWT). Total distance travelled for 6 minutes will be recorded. Measured only in participants of prehabilitation. | Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
| Changes in musculoskeletal functional capacity | Musculoskeletal functional capacity will be assessed via grip strength. Peak isometric force generated for both arms will be recorded in kg-force. Measured only in participants of prehabilitation. | Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
| Changes in body composition | Body composition will be measured via bioelectric impedance analysis using mBCA 514 (Seca, Hamburg, Germany). Body fat percentage, fat and fat free mass, impedance, resistance, and phase angle will be recorded. Measured only in participants of prehabilitation. | Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
| Changes in HRQOL | HRQOL will be measured by Short Form-12 Health Survey (SF-12) and the EuroQol-5 Dimension (EQ5D). Measured only in participants of prehabilitation. | Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
| Changes in depression | Depression will be assessed using the Patient Health Questionnaire (PHQ-9). Measured only in participants of prehabilitation. | Baseline, 1 week prior to surgery, 30- and 90-day postoperatively |
| Changes in diet | Changes in diet and healthy eating practices will be measured by the 3-day diet record. Measured only in participants of prehabilitation. | Baseline and 1 week prior to surgery |