Psychological, clinical, and therapeutic predictors of the outcome of detoxification in a large clinical population of medication-overuse headache: A six-month follow-up of the COMOESTAS Project

Sara Bottiroli, Marta Allena, Grazia Sances, Roberto De Icco, Micol Avenali, Ricardo Fadic, Zaza Katsarava, Miguel Ja Lainez, Maria Teresa Goicochea, Lars Bendtsen, Rigmor Højland Jensen, Giuseppe Nappi, Cristina Tassorelli, Comoestas Consortium

Abstract

AIM: To identify factors that may be predictors of the outcome of a detoxification treatment in medication-overuse headache.

METHODS: Consecutive patients entering a detoxification program in six centres in Europe and Latin America were evaluated and followed up for 6 months. We evaluated anxious and depressive symptomatology (though patients with severe psychiatric comorbidity were excluded), quality of life, headache-related disability, headache characteristics, and prophylaxis upon discharge.

RESULTS: Of the 492 patients who completed the six-month follow up, 407 ceased overuse following the detoxification (non overusers), another 23 ceased overuse following detoxification but relapsed during the follow-up. In the 407 non-overusers, headache acquired an episodic pattern in 287 subjects (responders). At the multivariate analyses, lower depression scores (odds ratio = 0.891; p = 0.001) predicted ceasing overuse. The primary headache diagnosis - migraine with respect to tension-type headache (odds ratio = 0.224; p = 0.001) or migraine plus tension-type headache (odds ratio = 0.467; p = 0.002) - and the preventive treatment with flunarizine (compared to no such treatment) (odds ratio = 0.891; p = 0.001) predicted being a responder. A longer duration of chronic headache (odds ratio = 1.053; p = 0.032) predicted relapse into overuse. Quality of life and disability were not associated with any of the outcomes.

CONCLUSIONS: Though exploratory in nature, these findings point to specific factors that are associated with a positive outcome of medication-overuse headache management, while identifying others that may be associated with a negative outcome. Evaluation of the presence/absence of these factors may help to optimize the management of this challenging groups of chronic headache sufferers.

OriginalsprogEngelsk
TidsskriftCephalalgia : an international journal of headache
Vol/bind39
Udgave nummer1
Sider (fra-til)135-147
Antal sider13
ISSN0333-1024
DOI
StatusUdgivet - 2019

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