About this trial
This randomized controlled study evaluates the effects of cold water hydrotherapy in patients with Post-COVID Syndrome. The primary aim is to assess changes in quality of life compared to an usual care setting without hydrotherapy treatment.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Diagnosis of Post-COVID Syndrome (ICD-10 code: U08.9)
Barthel-Index >80
Owning a smartphone to receive digital questionnaires and to use the measurement app for heart rate variability
Written informed consent
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
Cold water hydrotherapy
Other interventionCold water hydrotherapy (5-10 minutes each), four times daily during the 3-week program and once daily during the 6-month follow-up period. Hydrotherapy interventions are individually tailored to each subject based on their responses and include various washing and pouring techniques.
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 (minimum score = 0; maximum score = 100; higher scores indicate higher health-related quality of life)
Secondary outcomes
Fatigue severity by Fatigue Severity Scale
Change in Fatigue Severity Scale score (minimum score = 9; maximum score = 63; higher scores indicate greater fatigue severity)
Sleep quality by Pittsburgh Sleep Quality Index
Change in Pittsburgh Sleep Quality Index score (minimum score = 0; maximum score = 21; higher scores indicate poorer sleep quality)
Health status by EuroQol-5 Dimensions-5 Levels
Change in EuroQol-5 Dimensions-5 Levels questionnaire score (score represented by a 5-digit code; each digit represents one dimension, ranging from 1 to 5; higher digits indicate poorer health state)
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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Eggensberger OHG
Lead sponsor
Bavarian Health and Food Safety Authority (LGL)
Collaborator