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Related Experiment Videos

Headache and hemodialysis: a prospective study.

Ana L Antoniazzi1, Marcelo E Bigal, Carlos A Bordini

  • 1Department of Neurology, School of Medicine at Ribeirão Preto, São Paulo University, Brazil.

Headache
|February 1, 2003
PubMed
Summary

Headache is common in hemodialysis patients, affecting over 70%. While some headaches improve with dialysis, classifying them using standard criteria can be challenging.

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Area of Science:

  • Nephrology
  • Neurology
  • Clinical Medicine

Background:

  • Headache is a frequent complaint among patients undergoing hemodialysis, with approximately 70% reporting this symptom.
  • Despite its prevalence, headaches in this patient population remain understudied.
  • Understanding headache patterns in hemodialysis patients is crucial for improving their quality of life.

Purpose of the Study:

  • To determine the prevalence and clinical characteristics of headaches in patients undergoing hemodialysis.
  • To compare headache prevalence before and after initiating hemodialysis.
  • To classify headaches in this cohort using the International Headache Society criteria.

Main Methods:

  • Prospective evaluation of 123 patients with chronic renal failure undergoing hemodialysis across three centers in Brazil (1998-1999).

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  • Patients with headaches were classified according to International Headache Society criteria.
  • Headaches were categorized based on their temporal relationship to hemodialysis sessions.

    • Main Results:

    • Headache was reported by 70.7% of patients (87 out of 123).
    • Pre-dialysis, common diagnoses included migraine (48%) and episodic tension-type headache (19%). Headache related to arterial hypertension was also frequent (25.4%).
    • During hemodialysis, 57.5% experienced headaches, with 'dialysis headache' being the most common type (34 patients). Notably, 27.6% reported significant headache improvement post-dialysis initiation.

    Conclusions:

    • Headache is highly prevalent in patients undergoing hemodialysis.
    • Classifying headaches in hemodialysis patients according to established criteria can present difficulties.
    • Further research is needed to refine diagnostic and treatment strategies for headaches in this population.