About this trial
This randomized controlled study evaluates the effects of cold water hydrotherapy as an adjunct to standard rehabilitation in patients with Post-COVID Syndrome. The primary aim is to assess changes in quality of life compared to standard rehabilitation alone.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Diagnosis of Post-COVID Syndrome (ICD-10 code: U08.9)
Barthel-Index >80
Referred to the reference center for Post-COVID rehabilitation
Owning a smartphone to receive digital questionnaires and to use the measurement app for heart rate variability
Disqualifiers
Existing contraindications for Kneipp hydrotherapy like severe cardiovascular diseases (e.g., decompensated heart failure, unstable angina pectoris, acute myocardial infarction), severe venous diseases (e.g., acute deep vein thrombosis of the leg), severe neurological diseases (e.g., uncontrolled epilepsy)
Prior regular practice of Kneipp applications
Trial design
Parallel
Treatments tested in this trial
Standard rehabilitation plus cold water hydrotherapy
Other interventionCold water hydrotherapy (5-10 minutes each), twice daily during the 3-week multimodal inpatient rehabilitation program and once daily during the 6-month follow-up period
Standard rehabilitation only
Other interventionsame rehabilitation program than the experimental group but without hydrotherapy
Treatment groups
Trial outcomes
Primary outcomes
Health-related quality of life by Short Form-12 Health Survey (SF-12)
Change in the Short Form-12 physical and mental component summary scores
Secondary outcomes
Fatigue severity by Fatigue Severity Scale
Change in Fatigue Severity Scale score
Sleep quality by Pittsburgh Sleep Quality Index
Change in Pittsburgh Sleep Quality Index score
Health status by EuroQol-5 Dimensions-5 Levels
Change in EuroQol-5 Dimensions-5 Levels questionnaire score
Autonomic function (heart rate variability by photoplethysmography)
Change in heart rate variability (root mean square of successive differences) measured by Kyto 2935 via photoplethysmography
Sponsors and contacts
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Schön Klinik Berchtesgadener Land
Lead sponsor
Bavarian Health and Food Safety Authority (LGL)
Collaborator