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Phenotypic characteristics and diagnoses of patients referred to an iron overload clinic

John B Dever1, Mark A Mallory, Julie E Mallory

  • 1Digestive Disease Institute, Liver Center of Excellence, Virginia Mason Medical Center, Seattle, WA, USA. deverjohn@hotmail.com

Digestive Diseases and Sciences
|December 25, 2009
PubMed

Insights

Many patients suspected of iron overload disease do not have hereditary hemochromatosis (HH). Non-alcoholic fatty liver disease and chronic hepatitis C are common alternative diagnoses, with arthralgia and fatigue being key symptoms in HH patients.

Area of Science:

  • Hepatology
  • Genetics
  • Internal Medicine

Background:

  • Limited data exists on phenotypic distinctions between hereditary hemochromatosis (HH) and other iron overload conditions.
  • Accurate diagnosis and differentiation are crucial for effective patient management and treatment.

Purpose of the Study:

  • To characterize and compare patients presenting with suspected iron overload disease.
  • To identify differences in clinical presentation and diagnosis between HH and non-HH iron overload.

Main Methods:

  • Retrospective analysis of biochemical and clinical data from patients evaluated at a university iron overload clinic over five years.
  • Comparison of patient profiles diagnosed with HH versus those with other causes of iron overload.

Main Results:

  • Of 270 patients, 137 (51%) were diagnosed with HH. Non-alcoholic fatty liver disease (NAFLD), chronic hepatitis C, and alcohol-related liver disease were the most frequent non-HH diagnoses.
  • Patients with HH showed significantly higher rates of arthralgia (42% vs. 16%) and decreased libido (11% vs. 4%) compared to other groups.
  • Trends suggested increased fatigue, diabetes, impotence, and hypothyroidism in HH patients, though not statistically significant.

Conclusions:

  • A substantial number of patients referred for iron overload do not have HH.
  • NAFLD, chronic hepatitis C, and alcohol use are common alternative diagnoses.
  • Arthralgia and fatigue are the most prevalent symptoms associated with hereditary hemochromatosis.
Abstract

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