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  • Title: Does the Villalta scale capture the essence of postthrombotic syndrome? A qualitative study of patient experience and expert opinion.
    Author: Engeseth M, Enden T, Andersen MH, Sandset PM, Wik HS.
    Journal: J Thromb Haemost; 2019 Oct; 17(10):1707-1714. PubMed ID: 31265193.
    Abstract:
    BACKGROUND: The Villalta scale is recommended for diagnosing and grading of postthrombotic syndrome (PTS) in clinical studies, but with limitations in specificity and sensitivity. OBJECTIVES: To explore the typical complaints of PTS through patients experience and expert opinion and relate this to the items of the Villalta scale. PATIENTS/METHODS: A qualitative study design with focus group interviews including patients with PTS and health care workers experienced in PTS patient care. RESULTS: Typical PTS complaints were reflected within four main domains: (a) agonizing discomforts; patients without venous ulcers often described other discomforts than pain; (b) skin changes; these were common and sometimes present before deep vein thrombosis (DVT). Except for venous ulcers, skin changes were considered of less importance; (c) fluctuating heaviness and swelling during the day and with activity; (d) post-DVT concerns; fear of DVT recurrence, health services failing to meet the patients' expectations, and psychological and social restrictions. These findings are not necessarily captured or well reflected in the Villalta scale. CONCLUSION: Our findings indicate that the Villalta scale does not capture typical PTS complaints or their importance to the patients. A revision of the diagnosis and grading should be considered.
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