Nail Psoriasis by Dimitris Rigopoulos & Antonella Tosti

Author:Dimitris Rigopoulos & Antonella Tosti
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

9.5 Nail PGA (Nail Physician’s Global Assessment)

Similar to PGA, the physician assesses quickly the severity of the disease with a 4- or 5-point scale (1 = none, 2 = mild, 3 = moderate, 4 = severe, and 5 = very severe). It is a subjective index used as an adjuvant and not as a stand-alone tool [18].

9.6 NPQ10 (Nail Psoriasis Quality of Life Scale)

Ortonne et al. [19] developed a ten-item questionnaire that evaluates the impact of nail psoriasis on the patient’s functional status and quality of life. The study included a large random sample of 4,000 patients. Female gender, a shorter psoriasis history, and dual location were all associated with significantly higher NPQ10 scores, indicating greater impairment. Comparison of NPQ10 with DLQI showed good agreement. The scale has not been tested yet in longitudinal studies.

Conclusion

There is a need for accurate and valid evaluation of nail psoriatic disease. Many authors have tried to implement instruments used either in clinical trials or during the evaluation of various treatments. A recent retrospective study of assessment tools for nail psoriasis found total NAPSI and target NAPSI to be the most commonly used indexes so far [20] in clinical trials. Still these indexes have their limitations as mentioned above and do not include nail psoriasis’ impact on health-related quality of life. The optimal nail psoriasis index would be quick, simple, and valid and would include both patient-related and physician-assessed outcomes measures.

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