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Dialysis headache
Ana Luisa de Lima Antoniazzi1, Alexandre Pinto Corrado
1Department of Pharmacology, School of Medicine of Ribeirao Preto, University of Sao Paulo, Rua Franklin de Souza Meireles 44, Campus of Ribeirao Preto, SP, Brazil. antoniazzi@netsite.com.br
Current Pain and Headache Reports
|August 10, 2007
Summary
Dialysis can cause headaches due to increased nitric oxide (NO) levels. This study explores the link between NO, bradykinin, and dialysis headache, comparing it to NO donor headaches.
Area of Science:
- Nephrology
- Neurology
- Biochemistry
Background:
- Dialysis sessions can lead to various side effects.
- Dialysis headache is a common complication with unclear pathophysiology.
- Nitric oxide (NO) and bradykinin levels increase during dialysis.
Purpose of the Study:
- To analyze the incidence, prevalence, and triggering factors of dialysis headache.
- To compare the pathophysiologic mechanisms of dialysis headache and NO donor headache.
- To investigate the role of NO in the onset of dialysis-associated headaches.
Main Methods:
- Literature review and analysis of existing data on dialysis side effects.
- Comparative analysis of pathophysiologic mechanisms.
- Examination of plasma levels of bradykinin and NO during dialysis.
Main Results:
- Increased plasma levels of bradykinin and NO are associated with dialysis headache.
- A significant role for NO as a mediator preceding headache onset was identified.
- A latency period of 3-4 hours between NO increase and headache onset was observed.
Conclusions:
- Nitric oxide plays a crucial role in the pathophysiology of dialysis headache.
- The observed latency period suggests complex downstream mechanisms beyond direct NO inactivation.
- Further research into NO-mediated pathways may offer new insights into primary headaches.
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