Publication

Leg muscle strength is reduced and is associated with physical quality of life in Antineutrophil cytoplasmic antibody-associated vasculitis

Hessels, A., van der Hoeven, J. H., Sanders, J., Brouwer, E., Rutgers, A. & Stegeman, C., 4-Feb-2019, In : PLoS ONE. 14, 2, 12 p., 0211895.

Research output: Contribution to journalArticleAcademicpeer-review

Objective

Physical quality of life is reduced in ANCA-associated vasculitis (AAV). This study aims to investigate whether this may be explained by reduced muscle strength and physical activity resulting from disease damage and steroid myopathy.

Methods

Forty-eight AAV patients were sequentially included from the outpatient clinic. Patients in different stages of disease and treatment underwent measurements of muscle strength and anthropometric parameters. Patients filled in physical activity (Baecke) and quality of life questionnaires (RAND-36) and carried an accelerometer for a week. Muscle strength and physical activity were compared to quality of life, prednisolone use and disease duration.

Results

Most AAV patients had lower knee extension (76%) and elbow flexion (67%) forces than expected based on healthy norms. Also, physical (P

Conclusion

Knee extension force and physical activity are positively associated with quality of life in AAV. Knee extension force decreases with longer disease duration, suggesting that disease- and treatment-related damage have a cumulative negative effect on muscle strength.

Original languageEnglish
Article number0211895
Number of pages12
JournalPLoS ONE
Volume14
Issue number2
Publication statusPublished - 4-Feb-2019

    Keywords

  • REFERENCE VALUES, HEALTH-STATUS, CORTICOSTEROIDS, QUESTIONNAIRE, COMPENDIUM, CAPACITY, FATIGUE

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