Development and validation of a symptom questionnaire for recording outcomes in adult lacrimal surgery

N. Mistry*, T. J. Rockley, T. Reynolds, Claire Hopkins

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    39 Citations (Scopus)

    Abstract

    Background: A symptom-based questionnaire (the 'Lac-Q' questionnaire) for adult patients undergoing lacrimal drainage surgery was developed. The questionnaire yields a numerical score that can be used to assess severity of symptoms. Methodology: In this study, the questionnaire was evaluated in 17 consecutive patients undergoing 22 dacryocystorhinostomy (DCR) procedures. The questionnaire was administered pre- and postoperatively. The pathology encountered at operation was recorded. The success of surgery was judged by patient satisfaction, endoscopic evaluation of DCR stomal patency, and objective lacrimal drainage testing using the functional endoscopic dye test (FEDT). In a further group of 12 pre-operative cases, the questionnaire was repeated after 4-6 weeks but before surgery, to assess test-retest reliability in the absence of clinical change.Results: The Lac-Q questionnaire was based on two broad categories of eye-specific scores and social impact scores. A numerical score, the 'Lac-Q' score, was generated pre- and postoperatively. When compared to pre-operative scores, the reduction in Lac-Q scores postoperatively was significant. Postoperative scores also correlated well with objective lacrimal drainage testing using the FEDT. Analysis of symptom scores shows that the questionnaire was reliable with regard to content validity, internal consistency, test-retest reliability, and responsiveness to clinical change.Conclusions: We conclude that the Lac-Q questionnaire is a useful clinical tool to evaluate outcomes after adult lacrimal surgery.

    Original languageEnglish
    Pages (from-to)538-545
    Number of pages8
    JournalRhinology
    Volume49
    Issue number5
    DOIs
    Publication statusPublished - Dec 2011

    Keywords

    • Dacryocystorhinostomy (DCR)
    • Lacrimal duct surgery
    • Lacrimal surgery outcome
    • Patient
    • Patient-related outcome measure (PROM)
    • Questionnaire
    • Symptom

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