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04-02-2020 | Uitgave 6/2020

Quality of Life Research 6/2020

Qualitative study of patients with venous malformations: symptom experiences and content validity of patient-reported outcome measures

Tijdschrift:
Quality of Life Research > Uitgave 6/2020
Auteurs:
Ryan W. England, Christopher R. Bailey, Milena D. Anatchkova, Anne M. Skalicky, Mark H. Meissner, Melvin Rosenblatt, Heather L. Gelhorn, Clifford R. Weiss
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Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s11136-020-02435-3) contains supplementary material, which is available to authorized users.
Deceased: Melvin Rosenblatt.

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Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

Purpose

To determine important symptoms and functional effects of venous malformations (VMs) to assess the content validity of commonly used patient-reported outcome (PRO) measures for use with VM patients.

Methods

This cross-sectional, qualitative study involved cognitive interviews with participants with VM aged ≥ 14 years. From February to June 2016, 11 participants (8 female) with a mean (± standard deviation) age of 31 ± 15 years were recruited from three clinical sites. The following subgroups were evaluated: 5 adults (aged ≥ 18) with trunk/extremity VMs; 3 adolescents (aged 14–17) with trunk/extremity VMs; and 3 adults with head/neck VMs. We evaluated the content validity of the Worst Pain Numeric Rating Scale (NRS), Patient-Reported Outcomes Measurement Information System (PROMIS®) Pain Interference 8-item short form, and PROMIS Physical Function 8-item short form.

Results

The most common participant-reported VM symptoms were swelling (n = 10), skin discoloration (n = 8), acute episodic pain (n = 8), chronic pain (n = 7), numbness (n = 7), and tingling/burning (n = 6). Participants reported that VMs affected their physical function (n = 10), appearance (n = 10), relationships/social activities (n = 7), and emotional health (n = 3). The Worst Pain NRS and PROMIS Pain Interference measures were relevant to all participants’ VM experience. Only adults with head/neck VMs found the PROMIS Physical Function measure to be irrelevant. The assessed PRO measures did not address several symptoms commonly reported by VM patients (swelling, skin discoloration, numbness, and appearance).

Conclusion

These results suggest that several VM symptoms are not assessed fully by commonly used PRO measures, and that the relevance of functional limitation questions may vary by VM location.

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