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In-patient treatment of chronic daily headache using dihydroergotamine: a long-term follow-up study
1Department of Neurology, Queen's University, Kingston, Canada, USA.
Background:
The treatment of chronic daily headache (CDH) due to medication overuse remains a common and difficult problem. For selected patients refractory to outpatient management we have used a treatment protocol using dihydroergotamine (DHE) as introduced by Raskin, during a brief (typically 48 hours) in-patient stay. While many studies have documented the short-term efficacy of the DHE protocol, there are limited data on its long-term effects. The purpose of this study was to evaluate quality of life, at three months post treatment and the present time.
Methods:
A retrospective chart review of all patients admitted for the DHE protocol from 1991 to 1996 revealed 174 cases. Of these, 132 patients were interviewed by phone.
Results:
The DHE protocol was shown to decrease headache frequency, severity, headache medication use, and absences from work both at three months and the time of interview.
Conclusion:
This study has the largest patient base and the longest follow-up period for the use of DHE for CDH. The results confirm that the DHE protocol is helpful in breaking the cycle of CDH, although the long-term outcomes of this study are more conservative than other studies have reported.