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Impaired Quality of Life After Radioiodine Therapy Compared to Antithyroid Drugs or Surgical Treatment for Graves’ Hyperthyroidism: A Long-Term Follow-Up with the Thyroid-Related Patient-Reported Outcome Questionnaire and 36-Item Short Form Health Status Survey
Karolinska Institutet, Institution for Clinical Science and Education, Stockholm, Sweden .
Copenhagen University Hospital Rigshospitalet, Department of Medical Endocrinology, Copenhagen, Danmark, Denmark .
Örebro University, School of Medical Sciences. Department of Surgery.
Örebro University, School of Medical Sciences.
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2019 (English)In: Thyroid, ISSN 1050-7256, E-ISSN 1557-9077, Vol. 29, no 3, p. 322-331Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Hyperthyroidism is known to have a significant impact on the quality of life (QoL) at least in the short term. The purpose of the present study was to assess QoL in patients at 6-10 years after treatment for Graves' disease (GD) with radioiodine (RAI) to those treated with thyroidectomy or antithyroid drugs (ATD) as assessed with both a thyroid-specific (ThyPRO) and general (SF-36) QoL surveys.

METHODS: We evaluated 1186 GD patients in a sub-cohort from an incidence study 2003-2005 which had been treated according to routine clinical practice at seven participating centers. Patients were included if they had returned the ThyPRO (n=975) and/or the SF-36 questionnaire (n=964) and informed consent at follow-up. Scores from ThyPRO were compared with scores from a general population sample (n=712), using multiple linear regression adjusting for age and gender as well as multiple testing. Treatment related QoL outcome for ATD, RAI and surgery were compared including adjustment for the number of treatments received, sex, age and co-morbidity.

RESULTS: Regardless of treatment modality, patients with GD had worse thyroid-related QoL 6-10 years after diagnosis compared with the general population. Patients treated with RAI had worse thyroid-related and general QoL than patients treated with ATD or thyroidectomy on the majority of QoL-scales. Sensitivity analyses supported the relative negative comparative effects of RAI treatment on QoL in patients with hyperthyroidism.

CONCLUSIONS: Graves' disease is associated with a lower QoL many years after treatment compared to the general population. In a previous, small RCT we did not show any difference in patient satisfaction years after ATD, RAI or surgery. We now report that in a large non-randomized cohort, patients who received RAI had adverse scores on ThyPRO and SF-36. These findings in a Swedish population are limited by comparison to normative data from Denmark, by older age and possibly a more prolonged course in those patients who received radioiodine, and a lack of information regarding thyroid status at the time of evaluation. The way RAI may adversely affect QoL is unknown but since the results may be important for future considerations regarding treatment options for GD they need to be substantiated in further studies.

Place, publisher, year, edition, pages
Mary Ann Liebert, 2019. Vol. 29, no 3, p. 322-331
Keywords [en]
Graves' disease, QoL, ThyPRO; SF-36, radioiodine, long-term
National Category
Rheumatology and Autoimmunity Endocrinology and Diabetes
Identifiers
URN: urn:nbn:se:oru:diva-71854DOI: 10.1089/thy.2018.0315ISI: 000463863300002PubMedID: 30667296Scopus ID: 2-s2.0-85062859730OAI: oai:DiVA.org:oru-71854DiVA, id: diva2:1288084
Funder
Swedish Society of Medicine
Note

Funding Agencies:

ALF-agreement in Västra Götaland County, Sweden

Agnes and Knut Mörk's Foundation  

Else and Mogens Wedell-Wedellsborg's Foundation  

Faculty of Medicine at Lund University  

Skåne Research Foundation 

Available from: 2019-02-12 Created: 2019-02-12 Last updated: 2019-06-19Bibliographically approved

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Sjölin, GabrielByström, KristinaWallin, Göran

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