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Published in: The Journal of Headache and Pain 1/2013

Open Access 01-12-2013 | Research article

Elevated blood pressure and analgesic overuse in chronic daily headache: an outpatient clinic-based study from China

Authors: Qingqing Huang, Wangwen Li, Nan Li, Jing Wang, Ge Tan, Lixue Chen, Guangcheng Qin, Xiping Liang, Jiying Zhou

Published in: The Journal of Headache and Pain | Issue 1/2013

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Abstract

Background

Many studies have reported that hypertension is common in chronic daily headache (CDH) and its subtype chronic migraine (CM), but the reason is still poorly understood. Our clinical literature review suggested that analgesic overuse may be associated with elevated blood pressure (BP), so we performed the present study to investigate the frequency of elevated BP and its link with analgesic overuse in CDH and its subtypes.

Methods

A cross-sectional study was conducted in neurology outpatients with a diagnosis of CDH according to International Headache Society criteria. CDH patients were classified into CM and non-CM groups, and subclassified with or without analgesic overuse.

Results

Elevated BP was present in 27.96% of CDH patients. Compared with non-CM patients, patients with CM had a longer duration of headache and more severe pain intensity, and a family history of headache and analgesic overuse were also more common, but the elevated BP frequency was not different between the two groups. Almost one-third of the patients had analgesic overuse; 96.8% of which comprised acetaminophen-containing agents. Those with analgesic overuse had a higher frequency of headache than those without analgesic overuse in both the CM and non-CM groups.

Conclusions

Although the CM patients had a longer duration of headache, more severe intensity, the frequency of elevated BP wasn’t higher than non-CM group. Analgesic overuses maybe the reason of higher frequency of elevated BP in CDH and its subtypes. This may have predictive value for clinicians to improve CDH management.
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Metadata
Title
Elevated blood pressure and analgesic overuse in chronic daily headache: an outpatient clinic-based study from China
Authors
Qingqing Huang
Wangwen Li
Nan Li
Jing Wang
Ge Tan
Lixue Chen
Guangcheng Qin
Xiping Liang
Jiying Zhou
Publication date
01-12-2013
Publisher
Springer Milan
Published in
The Journal of Headache and Pain / Issue 1/2013
Print ISSN: 1129-2369
Electronic ISSN: 1129-2377
DOI
https://doi.org/10.1186/1129-2377-14-51

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