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adjustments needed after pilot period and delay because of reduced staff
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| Name | Class |
|---|---|
| Rigshospitalet, Denmark | OTHER |
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The objective of this study is to investigate if six weeks of high intensity Inspiratory Muscle Training (IMT) performed two times a week has the same effect as five times a week in hospitalized patients with first time Spinal Cord Injury (SCI).
Design/ methods: A Randomised controlled trial (RCT) including 60 patients, with reduced Maximal Inspiration Pressure (MIP) will be recruited at two specialized SCI centers in Denmark. Primary outcome is MIP after six weeks of training. Secondary outcome will be reported on Rating Perceived Exertion (RPE), voice performance, Quality Of Life (QOL)and sleep quality. Furthermore, long term follow-up at 12 months after start of intervention will also be performed.
Background: SCI may result in various disabilities including both physical, cognitive, emotional and social domains. Motor function and function of the respiratory muscles are often decreased and may influence the patient's activities of daily activities and QOL. IMT is training to improve the strength and endurance of diaphragm and the external intercostal muscles. Various training protocols of IMT have shown efficient to increase lung function. Although, a recent meta-analysis suggest that high intensity training may be more efficient it is less clear at what weekly frequency IMT should be performed.
Thus, the objective of this study is to investigate if six weeks of high intensity IMT performed two times a week has the same effect as five times a week in hospitalized patients with first time SCI.
Design/ methods: A Randomised controlled trial (RCT) including 60 patients, with reduced MIP will be recruited at two specialized SCI centers in Denmark. Primary outcome is MIP after six weeks of training. Secondary outcome will be reported on end of treatment and long term follow-up (12 months after start of intervention) in RPE, voice performance, QOL and sleep quality. The two intervention arms will consist of one arm training two times a week and the other arm training five times a week. The training protocol in both arms will include five rounds of IMT with 12 repetitions at 60 % of MIP. MIP will be increased 10 % every week if tolerated by the patient until 80 % of MIP is reached. After six weeks patients are motivated to continue training by themself up to 12 months after start of intervention.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Training two times per week | Experimental | Training two times per week. IMT with 5 rounds and 12 repetitions in each round at 60-80% MIP. The primary protocol will end at 6 weeks and the self-administered long-term protocol will end at 12 months after intervention start. |
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| Training five times per week | Experimental | Training five times per week. IMT with 5 rounds and 12 repetitions in each round at 60-80% MIP. The primary protocol will end at 6 weeks and the self-administered long-term protocol will end at 12 months after intervention start. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Inspiratory Muscle Training | Other | IMT is performed with an IMT Threshold flute that can be adjusted according to the MIP. The training resistance start at 60% MIP and is calculated weekly and end (if tolerated) at 80 % MIP. |
| Measure | Description | Time Frame |
|---|---|---|
| Maximal inspiratory pressure | MIP is an objective measurement that indirectly describe the inspiratory muscle strength | Change from baseline assessment (0-4 days before treatment start) to End of treatment assessment (6 weeks after intervention start) |
| Measure | Description | Time Frame |
|---|---|---|
| Rating of Perceived Exertion | RPE is a way of measuring physical activity intensity level. RPE will be reported in regard to the IMT training and will express the experience of how hard the IMT was feelt. | Baseline assessment (0-4 days before treatment start), End of treatment assessment (6 weeks after intervention start) Longterm follow up (12 months after intervention start) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Erhard T. Næss-Schmidt, PhD | Spinal Cord Injury Centre of Western Denmark | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Spinal cord injury center Western Denmark | Viborg | 8800 | Denmark |
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Parallel Assignment
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Outcome assessors will be blinded to group allocation.
| Voice performance | The voice performance is measured with voice volume recording of an a-sound with the App Voice Analyst along with phonation endurance. | Baseline assessment (0-4 days before treatment start), End of treatment assessment (6 weeks after intervention start) Longterm follow up (12 months after intervention start) |
| Experienced quality of life measured with the The basic Spinal cord injury (SCI) Data Set for Qualify of Life | The basic SCI Data Set for Qualify of Life consists of QOL measured by three domains; overall, physical and mental QOL. Each domain is subjectively rated on a 0-10 scale, with 0 = completely dissatisfied and 10 = completely satisfied. | Baseline assessment (0-4 days before treatment start), End of treatment assessment (6 weeks after intervention start) Longterm follow up (12 months after intervention start) |
| Experienced sleep Quality measured with Pittsburgh Sleep Quality Index (PSQI) tool | Sleep quality is measured by sleep quality experience and report of circumstances that may influence sleep. The global PSQI score is calculated by totaling the seven component scores (Each weighted on a 0-3 interval scale), providing an overall score ranging from 0 to 21, where lower scores denote a healthier sleep quality. | Baseline assessment (0-4 days before treatment start), End of treatment assessment (6 weeks after intervention start) Longterm follow up (12 months after intervention start) |
| Maximal inspiratory pressure | MIP is an objective measurement that indirectly describe the inspiratory muscle strength | Change from baseline assessment (0-4 days before treatment start) to longterm follow up (12 months after intervention start) |
| Patients' Global Impression of Change (PGIC) scale | Patient reported outcome at follow up. Scores from 0 to 6, with 0 reporting no change and 6 aa significant change. | collected at 6 week and 12 months after start of the intervention |