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| Name | Class |
|---|---|
| Alberta Health services | OTHER |
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Treatment of patients with Hypoxemic respiratory failure (HRF) and Acute Respiratory Distress Syndrome (ARDS) is complex. Therapies that have been shown to save the lives of patients with HRF and ARDS are available but they are not always provided. To reduce practice variation and improve adherence to evidence-informed therapies, the investigators developed the Treatment of Hypoxemic Respiratory Failure and ARDS with Protection, Paralysis, and Proning (TheraPPP) Pathway.
The overall objective of TheraPPP Pathway is to improve the quality of care for patients with HRF. Implementation of the pathway across Alberta will test the effectiveness and implementation of the TheraPPP Pathway.
Hypoxemic respiratory failure (HRF) and ARDS are common conditions among patients admitted to the Intensive care unit (ICU). Treatment of these patients is complex. Evidence based therapies that can improve survival exist; however, implementation is extremely inconsistent. As a potential solution to this problem, the investigators developed the Treatment of Hypoxemic Respiratory Failure (HRF) and ARDS with Protection, Paralysis, and Proning (TheraPPP) Pathway to reduce practice variation and improve adherence to evidence-informed therapy.
The TheraPPP pathway is a comprehensive evidence-based, stakeholder-informed pathway for the diagnosis and management of HRF. The overall objective of the pathway is to improve the quality of care for patients with HRF. The specific objectives are to evaluate:
Mechanically ventilated patients admitted to any one of 17 adult ICUs in Alberta will receive the intervention. One ICU (Calgary) is the setting for a pilot study (NCT04070053).
For data analysis, the investigators will use chart abstraction to quantitatively assess the fidelity of the delivered intervention, and surveys and focus groups to qualitatively assess clinician perceptions about the acceptability of the pathway. Fidelity of the intervention will be tracked using process of care indicators that reflect the five key steps of the pathway.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| TheraPPP Pathway | Experimental | The investigators will perform an effectiveness-implementation hybrid study design (type 1) to evaluate the effectiveness and implementation of the TheraPPP pathway. All mechanically ventilated patients admitted to the ICU will enter the pathway. To evaluate effectiveness the investigators will collect patient data for approximately 29 months. To assess acceptability of the pathway the investigators will conduct a survey and focus groups to clinicians who used the Pathway. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| TheraPPP | Other | TheraPPP Steps: Step 1. All mechanically ventilated patients will have a height measured and documented. Step 2. Screening for HRF. Step 3. Initiate Lung Protective Ventilation (LPV). Step 4. Paralysis. Step 5. Prone Positioning. |
| Measure | Description | Time Frame |
|---|---|---|
| EFFECTIVENESS (primary clinical outcome) 28-day ventilator free days | A composite outcome of survival and days spent not ventilated over the first 28 days | 4 months (after the study post-intervention period) |
| IMPLEMENTATION (primary fidelity outcome) Composite Fidelity Score | The composite fidelity score is measured daily for each patient. It is scored out of 5 and awards 1 point for each fidelity indicator (listed below) that investigators are able to measure:
| 4 months (after the study post-intervention period) |
| ECONOMIC (primary economic outcome) Cost per ventilator free day saved | Cost per ventilator free day saved from the perspective of the health care system over the index hospitalization period | 4 months (after the study post-intervention period) |
| Measure | Description | Time Frame |
|---|---|---|
| 28-day and hospital survival | Number of patients who die in the ICU, hospital, and at or before 28-day hospital censored at 90 days | 90 days |
| Ventilator duration | The number of ventilated days. If a patient is invasively mechanically ventilated via endotracheal tube or tracheostomy for any period of time in a 24 hour period (0000-2359) this is considered a ventilated day. A ventilated day is the component of VFDs that reflects duration of ventilation. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ken K Parhar, MD, MSc | University of Calgary | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Peter Lougheed Centre (PLC) | Calgary | Alberta | T1Y 6J4 | Canada | ||
| Foothills Hospital Intensive Care Unit |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 38806421 | Derived | Krewulak KD, Knight G, Irwin A, Morrissey J, Stelfox HT, Bagshaw SM, Zuege D, Roze des Ordons A, Fiest K, Parhar KKS. Acceptability of the Venting Wisely pathway for use in critically ill adults with hypoxaemic respiratory failure and acute respiratory distress syndrome (ARDS): a qualitative study protocol. BMJ Open. 2024 May 28;14(5):e075086. doi: 10.1136/bmjopen-2023-075086. | |
| 38234326 |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot | Yes | No | No | Study Protocol | Feb 14, 2023 | Mar 30, 2023 |
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The study uses an effectiveness-implementation hybrid design (type 1). Phase 1 will evaluate effectiveness and Phase 2 will assess the implementation of the pathway. Implementation will occur via a pragmatic registry-based stepped wedge cluster randomization of ICUs. The unit of randomization will be a cluster of 2 ICUs. The intervention will be implemented into 1 cluster every 2 months. Once implemented, the cluster will continue to receive it for the remainder of the study.
Effectiveness: There will be a 10-month baseline data collection period at the beginning of the study. The total study duration will be 29 months (Estimated18816 mechanically ventilated patients including 2688 in the ARDS subgroup). The comparison (control) therapy will be usual management assessed in the baseline period.
Implementation: A process evaluation of pathway implementation will be conducted to 1) quantitatively evaluate fidelity, 2) qualitatively assess acceptability (Estimate 1100 clinicians).
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| 4 months (after the study post-intervention period) |
| Driving Pressure | Calculated on patients ventilated with PF ratio (partial pressures of oxygen (paO2) / fraction of inspired oxygen (FiO2) ≤ 300 on a controlled mode as plateau pressure - positive end expiratory pressure (PEEP). | 4 months (after the study post-intervention period) |
| Mechanical Power | Calculated on patients ventilated with PF ratio ≤ 300 on a controlled mode using the formula Power = 0.098*respiratory rate•(tidal volume/1000)*(Peak Pressure - (0.5 • Driving Pressure)). | 4 months (after the study post-intervention period) |
| ICU and hospital length of stay | The number of days that patients stay in the ICU and in hospital | 4 months (after the study post-intervention period) |
| Proportion of patients receiving rescue therapies specifically Extracorporeal Life Support (ECLS) | The proportion of patients receiving rescue therapies including ECLS | 4 months (after the study post-intervention period) |
| The proportion of patients ventilated with a height measured | Total number of ventilated patients for with a height measured divided by the total number of patients ventilated | 4 months (after the study post-intervention period) |
| Proportion of patient days with PF ratio ≤300 with a tidal volume ≤8mL/kg | The total number of patient days with arterial to inspired oxygen ratio(PaO2:FiO2 ratio or PF ratio) ≤300 with a tidal volume ≤8 mL/kg divided by the total number of of patient days with arterial to inspired oxygen ratio (PaO2:FiO2 ratio or PF ratio) ≤300 | 4 months (after the study post-intervention period) |
| Proportion of patient days with PF ratio ≤300 with a plateau pressure measured | The total number of patient days with PF ratio ≤300 with a plateau pressure measured divided by the total number of patient days with PF ratio ≤300 | 4 months (after the study post-intervention period) |
| Proportion of patient days with HRF and PF ratio ≤150 who receive neuromuscular blockade | The number of patient days with HRF and PF ratio ≤150 who receive neuromuscular blockade divided by the number of patient days with HRF and PF ratio ≤150 | 4 months (after the study post-intervention period) |
| Proportion of patient days with HRF and PF ratio ≤150 and FiO2 ≥0.6 receiving prone ventilation | The number of patient days with HRF and PF ratio ≤150 and FiO2 ≥0.6 receiving prone ventilation divided by the number of patient days with HRF and PF ratio ≤150 and FiO2 ≥0.6 | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Composite Acceptability Score | Pathway acceptability is measured using the Theoretical Framework of Acceptability (TFA). The primary outcome for acceptability is a composite score of the proportion of seven TFA constructs [(1) affective attitude (2) burden (3) ethicality (4) intervention coherence (5) opportunity costs (6) perceived effectiveness (7) self-efficacy] graded with a median score of 4 or above from a 5-point Likert scale, in which 1 indicates strong disagreement (and lower acceptability) and 5 indicates strong agreement (and higher acceptability). | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Opportunity costs construct | Benefits or costs to the participant for using the pathway graded on a 5-point Likert scale in which 1 indicates strong disagreement (and lower acceptability) and 5 indicates strong agreement (and higher acceptability), Median (IQR) | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Perceived effectiveness construct | The extent to which the intervention is perceived as likely to achieve its purpose graded graded on a 5-point Likert scale in which 1 indicates strong disagreement (and lower acceptability) and 5 indicates strong agreement (and higher acceptability), Median (IQR) | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Affective attitude construct | How an individual feels about the intervention graded on a 5-point Likert scale in which 1 indicates strong disagreement (and lower acceptability) and 5 indicates strong agreement (and higher acceptability), Median (IQR) | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Burden construct | The perceived amount of effort that is required to participate in the intervention graded on a 5-point Likert scale in which 1 indicates strong disagreement (and lower acceptability) and 5 indicates strong agreement (and higher acceptability), Median (IQR) | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Ethicality construct | The extent to which the intervention has a good fit with an individual's value graded on a 5-point Likert scale in which 1 indicates strong disagreement (and lower acceptability) and 5 indicates strong agreement (and higher acceptability), Median (IQR) | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Self efficacy construct | The participant's confidence that they can perform the behavior(s) required to participate in the intervention graded on a 5-point Likert scale in which 1 indicates strong disagreement (and lower acceptability) and 5 indicates strong agreement (and higher acceptability), Median (IQR) | 4 months (after the study post-intervention period) |
| Theoretical Framework of Acceptability - Intervention coherence construct | The extent to which the participant understands the invention and how it works graded on a 5-point Likert scale in which 1 indicates strong disagreement (and lower acceptability) and indicates strong agreement (and higher acceptability), Median (IQR) | 4 months (after the study post-intervention period) |
| Total cost: ICU admission | Total cost for the ICU admission | 4 months (after the study post-intervention period) |
| Total cost: Index hospitalization | Total cost for the index hospitalization | 4 months (after the study post-intervention period) |
| Cost per quality adjusted life year (QALY) | Cost per quality adjusted life year (QALY) from the health care system perspective over the patient's lifetime | 4 months (after the study post-intervention period) |
| Calgary |
| Alberta |
| T2N 2T9 |
| Canada |
| Foothills Medical Center Cardiovascular ICU | Calgary | Alberta | T2N 2T9 | Canada |
| Rockyview General Hospital | Calgary | Alberta | T2V 1P9 | Canada |
| South Health Campus | Calgary | Alberta | T3M 1M4 | Canada |
| Royal Alexandra Hospital | Edmonton | Alberta | T5H 3V9 | Canada |
| Misericordia Community Hospital | Edmonton | Alberta | T5R 4H5 | Canada |
| Mazankowski Alberta Heart Institute | Edmonton | Alberta | T6G 2B7 | Canada |
| University of Alberta Hospital General Systems ICU | Edmonton | Alberta | T6G 2B7 | Canada |
| University of Alberta Hospital Neurosciences Intensive Care Unit | Edmonton | Alberta | T6G 2B7 | Canada |
| Grey Nuns Community Hospital | Edmonton | Alberta | T6L 5X8 | Canada |
| Northern Lights Regional Health Centre | Fort McMurray | Alberta | T9H 1P2 | Canada |
| Queen Elizabeth II Hospital | Grande Prairie | Alberta | T8V 2E8 | Canada |
| Chinook Regional Hospital | Lethbridge | Alberta | T1J 1W5 | Canada |
| Medicine Hat Regional Hospital | Medicine Hat | Alberta | T1A 4H6 | Canada |
| Red Deer Regional Hospital Centre | Red Deer | Alberta | T4N 4E7 | Canada |
| Sturgeon Community Hospital | St. Albert | Alberta | T8N 6C4 | Canada |
| Derived |
| Parhar KKS, Soo A, Knight G, Fiest K, Niven DJ, Rubenfeld G, Scales D, Stelfox HT, Zuege DJ, Bagshaw S. Protocol and statistical analysis plan for the identification and treatment of hypoxemic respiratory failure and acute respiratory distress syndrome with protection, paralysis, and proning: A type-1 hybrid stepped-wedge cluster randomised effectiveness-implementation study. Crit Care Resusc. 2023 Dec 13;25(4):207-215. doi: 10.1016/j.ccrj.2023.10.008. eCollection 2023 Dec. |
| Prot_002.pdf |
| SAP | No | Yes | No | Statistical Analysis Plan | Feb 22, 2022 | Mar 16, 2023 | SAP_001.pdf |
| ID | Term |
|---|---|
| D012128 | Respiratory Distress Syndrome |
| D012131 | Respiratory Insufficiency |
| ID | Term |
|---|---|
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D012120 | Respiration Disorders |
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