Schwarz R, Krauss O, Hinz A (2003) Fatigue in the general population. Onkologie 26:140–144. https://doi.org/10.1159/000069834

Article  CAS  PubMed  Google Scholar 

RKI (2023) Täglicher Lagebericht des RKI zur Coronavirus-Krankheit-2019 (COVID-19)

Augustin M, Schommers P, Stecher M et al (2021) Post-COVID syndrome in non-hospitalised patients with COVID-19: a longitudinal prospective cohort study. Lancet Reg Health Eur. https://doi.org/10.1016/j.lanepe.2021.100122

Article  PubMed  PubMed Central  Google Scholar 

AWMF (2022) AWMF S1-Leitlinie Long/ Post-COVID. https://doi.org/10.1055/a-1946-3230

Poenaru S, Abdallah SJ, Corrales-Medina V et al (2021) COVID-19 and post-infectious myalgic encephalomyelitis/chronic fatigue syndrome: a narrative review. Ther Adv Infect Dis 8:20499361211009384. https://doi.org/10.1177/20499361211009385

Article  CAS  PubMed  PubMed Central  Google Scholar 

Shah W, Hillman T, Playford ED et al (2021) Managing the long term effects of covid-19: summary of NICE, SIGN, and RCGP rapid guideline. BMJ. https://doi.org/10.1136/bmj.n136

Article  PubMed  PubMed Central  Google Scholar 

Nacul L, Authier FJ, Scheibenbogen C et al (2021) European Network on Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (EUROMENE): Expert Consensus on the Diagnosis, Service Provision, and Care of People with ME/CFS in Europe. Medicina (Kaunas). https://doi.org/10.3390/medicina57050510

Article  PubMed  Google Scholar 

Smith MEB, Haney E, McDonagh M et al (2015) Treatment of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Systematic Review for a National Institutes of Health Pathways to Prevention Workshop. Ann Intern Med 162:841–850. https://doi.org/10.7326/M15-0114

Article  PubMed  Google Scholar 

Wang R, Huang X, Wu Y et al (2021) Efficacy of Qigong Exercise for Treatment of Fatigue: A Systematic Review and Meta-Analysis. Front Med (Lausanne). https://doi.org/10.3389/fmed.2021.684058

Article  PubMed  PubMed Central  Google Scholar 

Cabrera Martimbianco AL, Pacheco RL, Bagattini ÂM et al (2021) Frequency, signs and symptoms, and criteria adopted for long COVID-19: A systematic review. Int J Clin Pract 75:e14357. https://doi.org/10.1111/ijcp.14357

Article  CAS  PubMed  Google Scholar 

Lopez-Leon S, Wegman-Ostrosky T, Perelman C et al (2021) More than 50 long-term effects of COVID-19: a systematic review and meta-analysis. Sci Rep 11:16144. https://doi.org/10.1038/s41598-021-95565-8

Article  CAS  PubMed  PubMed Central  Google Scholar 

Kerksieck P, Ballouz T, Haile SR et al (2023) Post COVID-19 condition, work ability and occupational changes in a population-based cohort. Lancet Reg Health Eur. https://doi.org/10.1016/j.lanepe.2023.100671

Article  PubMed  PubMed Central  Google Scholar 

Lunt J, Hemming S, Burton K et al (2022) What workers can tell us about post-COVID workability. Occup Med (Lond). https://doi.org/10.1093/occmed/kqac086

Article  Google Scholar 

Linde K, Alscher A, Friedrichs C et al. (2014) The use of complementary and alternative therapies in Germany-a systematic review of nationwide surveys. Forschende Komplementarmedizin

Linde K, Buitkamp M, Schneider A et al. (2012) Naturheilverfahren, komplementäre und alternative Therapien. Gesundheitsmonitor

Munemoto T, Soejima Y, Masuda A et al (2017) Increase in the Regional Cerebral Blood Flow following Waon Therapy in Patients with Chronic Fatigue Syndrome: A Pilot Study. Intern Med 56:1817–1824. https://doi.org/10.2169/internalmedicine.56.8001

Article  CAS  PubMed  PubMed Central  Google Scholar 

Masuda A, Munemoto T, Tei C (2007) A new treatment: thermal therapy for chronic fatigue syndrome. Nih Rins Jap J Clin Med 65:1093–1098

Google Scholar 

Panossian A, Wikman G, Sarris J (2010) Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy. Phytomedicine 17:481–493. https://doi.org/10.1016/j.phymed.2010.02.002

Article  CAS  PubMed  Google Scholar 

Olsson EM, von Schéele B, Panossian AG (2009) A randomised, double-blind, placebo-controlled, parallel-group study of the standardised extract shr-5 of the roots of Rhodiola rosea in the treatment of subjects with stress-related fatigue. Planta Med 75:105–112. https://doi.org/10.1055/s-0028-1088346

Article  CAS  PubMed  Google Scholar 

HMPC (2012) Assessment report on Rhodiola rosea L., rhizoma et radix. European Medicines Agency Science Medicines Health. London

Larun L, Brurberg KG, Odgaard-Jensen J et al (2016) Exercise therapy for chronic fatigue syndrome. Cochrane Database Syst Rev. https://doi.org/10.1002/14651858.CD003200.pub4

Article  PubMed  PubMed Central  Google Scholar 

Khanpour Ardestani S, Karkhaneh M, Stein E et al (2021) Systematic Review of Mind-Body Interventions to Treat Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. Medicina (Kaunas). https://doi.org/10.3390/medicina57070652

Article  PubMed  Google Scholar 

Baguley BJ, Skinner TL, Jenkins DG et al (2021) Mediterranean-style dietary pattern improves cancer-related fatigue and quality of life in men with prostate cancer treated with androgen deprivation therapy: A pilot randomised control trial. Clin Nutr 40:245–254. https://doi.org/10.1016/j.clnu.2020.05.016

Article  CAS  PubMed  Google Scholar 

Maric D, Brkic S, Tomic S et al (2014) Multivitamin mineral supplementation in patients with chronic fatigue syndrome. Med Sci Monit 20:47–53

Article  PubMed  PubMed Central  Google Scholar 

DGHT (2018) Leitlinie Ganzkörperhyperthermie V1

Haß U, Herpich C, Norman K (2019) Anti-Inflammatory Diets and Fatigue. Nutrients. https://doi.org/10.3390/nu11102315

Article  PubMed  PubMed Central  Google Scholar 

Martini D (2019) Health Benefits of Mediterranean Diet. Nutrients. https://doi.org/10.3390/nu11081802

Article  PubMed  PubMed Central  Google Scholar 

Guideline NG206, N. I. C. E. Myalgic encephalomyelitis (or encephalopathy)/chronic fatigue syndrome: diagnosis and management. Methods

Bauer N, Löffler C, Oeznur O et al (2024) Evaluation of a multimodal stress management and comprehensive lifestyle modification program on quality-of-life and gastrointestinal symptoms in patients with Crohn’s Disease - A randomized controlled pilot trial with nine-month follow-up. Digestion. https://doi.org/10.1159/000536659

Article  PubMed  Google Scholar 

Schlee C, Uecker C, Bauer N et al (2022) Multimodal stress reduction and lifestyle modification program for patients with ulcerative colitis: a qualitative study. BMC Complement Med Ther 22:60. https://doi.org/10.1186/s12906-021-03478-w

Article  PubMed  PubMed Central  Google Scholar 

Vollbracht C, Kraft K (2022) Oxidative Stress and Hyper-Inflammation as Major Drivers of Severe COVID-19 and Long COVID: Implications for the Benefit of High-Dose Intravenous Vitamin C. Front Pharmacol. https://doi.org/10.3389/fphar.2022.899198

Article  PubMed  PubMed Central  Google Scholar 

Vollbracht C, Kraft K (2021) Feasibility of Vitamin C in the Treatment of Post Viral Fatigue with Focus on Long COVID. Nutrients, Based on a Systematic Review of IV Vitamin C on Fatigue. https://doi.org/10.3390/nu13041154

Book  Google Scholar 

Ortiz M, Koch AK, Cramer H et al (2023) Clinical effects of Kneipp hydrotherapy: a systematic review of randomised controlled trials. BMJ Open. https://doi.org/10.1136/bmjopen-2022-070951

Article  PubMed  PubMed Central  Google Scholar 

Smets EM, Garssen B, Bonke B et al (1995) The Multidimensional Fatigue Inventory (MFI) psychometric qualities of an instrument to assess fatigue. J Psychosom Res 39:315–325. https://doi.org/10.1016/0022-3999(94)00125-O

Article  CAS  PubMed  Google Scholar 

Peghin M, Palese A, Venturini M et al (2021) Post-COVID-19 symptoms 6 months after acute infection among hospitalized and non-hospitalized patients. Clin Microbiol Infect 27:1507–1513. https://doi.org/10.1016/j.cmi.2021.05.033

Article  CAS  PubMed  PubMed Central  Google Scholar 

Asadi-Pooya AA, Akbari A, Emami A et al (2021) Risk Factors Associated with Long COVID Syndrome: A Retrospective Study. Iran J Med Sci 46:428–436

PubMed  PubMed Central  Google Scholar 

Engberg I, Segerstedt J, Waller G et al (2017) Fatigue in the general population- associations to age, sex, socioeconomic status, physical activity, sitting time and self-rated health: the northern Sweden MONICA study 2014. BMC Public Health 17:654. https://doi.org/10.1186/s12889-017-4623-y

Article  PubMed  PubMed Central  Google Scholar 

Lier J, Stoll K, Obrig H et al (2022) Neuropsychiatric phenotype of post COVID-19 syndrome in non-hospitalized patients. Front Neurol. https://doi.org/10.3389/fneur.2022.988359

Article  PubMed  PubMed Central  Google Scholar 

Ziauddeen N, Gurdasani D, O’Hara ME et al. (2021) Characteristics of Long Covid: findings from a social media survey. medRxiv:2021.03.21.21253968. https://doi.org/10.1101/2021.03.21.21253968

Alwan NA (2021) The road to addressing Long Covid Reporting, recognizing, and researching the chronic effects of COVID-19 will help those affected. Science 373:491–493. https://doi.org/10.1126/science.abj8674

Article  CAS  PubMed  Google Scholar