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1.
J Psychosom Res ; 182: 111808, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38781803

ABSTRACT

OBJECTIVE: We aimed to identify clinically relevant clusters among patients with post-Covid-19 condition (PCC) and assess prognosis overall and within clusters. METHODS: Prospective cohort study of patients with PCC attending a rehabilitation clinic. We monitored patient reported outcome measures (PROMs): EuroHIS quality of life and symptoms. Unsupervised hierarchical cluster analyses were performed to identify clusters of patients with different quantity of symptoms, and symptoms presenting together. Preliminary findings on symptom prevalence and quality of life at 12 months are reported. RESULTS: Among 409 patients, 70.4% were women, with an average baseline of 20.3 (SD 6.8) symptoms. Three clusters emerged based on symptom quantity, labelled by the average number of symptoms at baseline: Cluster-11 (17% of all patients), Cluster-17 (35%), and Cluster-25 (48%). Multinomial logistic regression showed female sex, multiple comorbidities predicting more symptoms. Four symptom-based clusters were defined: fatigue and cognitive complaints; pain, trouble sleeping, palpitations and other symptoms; gastrointestinal symptoms; and emotion-related symptoms. Linear regression models showed that female sex, multiple comorbidities, anxiety, use of antidepressants, BMI and smoking were among the determinants of symptom clusters. In 12-month follow-up, symptom count decreased, and quality of life improved across all clusters, with 9% having good quality of life at baseline and 33% at 12 months. CONCLUSION: Four patient clusters based on symptoms were identified in the PCC cohort. Prognosis was favorable across all clusters, with symptom reduction and improved quality of life observed. Female sex, comorbidities, BMI, and mental-health related variables predicted higher symptom burden, suggesting multifactorial origins of PCC.


Subject(s)
COVID-19 , Quality of Life , Humans , Female , Male , COVID-19/epidemiology , COVID-19/psychology , Prospective Studies , Prognosis , Middle Aged , Cluster Analysis , Adult , SARS-CoV-2 , Aged , Post-Acute COVID-19 Syndrome , Comorbidity , Patient Reported Outcome Measures , Fatigue , Anxiety/epidemiology
2.
BMJ Open ; 13(10): e072935, 2023 10 17.
Article in English | MEDLINE | ID: mdl-37848295

ABSTRACT

INTRODUCTION: After COVID-19, many continue to experience persistent debilitating symptoms, that is, long COVID. Its most prevalent symptoms are chest pain, difficulties with breathing, painful muscles, ageusia or anosmia, tingling extremities and general tiredness. This paper describes the protocol of the Long COVID Cohort Study to assess the prognosis and prognostic determinants of patients with long COVID by implementing patient-reported outcome measures (PROMs), patient-reported experience measures (PREMs) and clinical examinations during a 1-year follow-up. METHODS AND ANALYSIS: This is a prospective, single-site cohort study consisting of administering questionnaires and clinical examinations to adult patients referred to the Clinic for Long-Term Effects of COVID-19 at Helsinki University Hospital (Hospital district of Helsinki and Uusimaa). The referrals are from all healthcare units within HUS and other hospital districts during years 2021-2023. All admitted patients have had laboratory-confirmed COVID-19. The targeted study sample size is 500 participants. The questionnaires are administered at 0, 3, 6 and 12 months. The main outcome variables are the changes in self-reported functional abilities and quality of life. In addition, we will evaluate functional abilities at baseline using neurocognitive evaluation, a 6MWT and a measurement of hand grip strength. The Long COVID Cohort Study will form a quality register for the clinic and characterise the first systematic collection of PROMs, PREMs, questionnaire and clinical examinations related to long COVID in Finland. The Study belongs to a study consortium Long COVID-HORIZON-HLTH-2021-DISEASE-04 that aims to reveal the biomechanisms of long COVID. ETHICS AND DISSEMINATION: This study has been approved by the Helsinki University Hospital research ethics committee board, ID HUS/1493/2021 on 6 March 2021. All study participants sign written informed consent for participation. The study findings will be reported for publication in peer-reviewed journals. TRIAL REGISTRATION NUMBER: NCT05699512; Pre-results.


Subject(s)
COVID-19 , Adult , Humans , COVID-19/epidemiology , Cohort Studies , Post-Acute COVID-19 Syndrome , SARS-CoV-2 , Longitudinal Studies , Prospective Studies , Finland/epidemiology , Quality of Life , Hand Strength , Prognosis , Ambulatory Care Facilities , Primary Health Care , Treatment Outcome
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