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J Headache Pain. 2012 Aug;13(6):477-85. doi: 10.1007/s10194-012-0461-6. Epub 2012 May 27.

Refining clinical features and therapeutic options of new daily persistent headache: a retrospective study of 63 patients in India.

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Department of Neurology, Medical College, SSG Hospital, O-19, Doctor's Quarter, Jail Road, Baroda, Gujarat, India, 390001.


The aim of this retrospective study was to provide data on the clinical features and treatment outcomes of patients with NDPH (fulfilling Kung et al.'s criteria). A total of 63 patients were observed during a 5-yr period (2007-2012). More than one-third (35 %) patients had migrainous features; 65 % patients fulfilled the ICHD-II criteria. Both groups were similar in most clinical and epidemiological features. However, migrainous features were more common in patients with a prior history of episodic migraine (though statistically not significant). After a median follow-up of 9 months, 37 % patients showed "excellent" response (no or less than 1 headache per month). Another 30 % patients had "good" response (>50 % reduction in headache frequency or days per month). Excellent response was more in patients with a history of less than 6 months duration (statistically not significant). Patients with a recognized trigger showed better prognosis. Response was better in patients who received intravenous therapy of methyl prednisolone and sodium valproate. We suggest prospective and controlled studies to confirm our observations.

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