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Giardiasis as a chronic disease.

A C Chester, F G MacMurray, M D Restifo

    Digestive Diseases and Sciences
    |March 1, 1985
    PubMed
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    Chronic giardiasis is a common, long-lasting gastrointestinal illness, often presenting without foreign travel history. Many patients experience prolonged symptoms, highlighting the need for effective treatment strategies for this persistent infection.

    Area of Science:

    • Infectious Diseases
    • Gastroenterology
    • Parasitology

    Background:

    • Giardiasis is a common parasitic infection affecting the gastrointestinal tract.
    • Understanding the characteristics of chronic giardiasis is crucial for effective patient management.
    • Previous studies may not fully represent the presentation in diverse outpatient settings.

    Purpose of the Study:

    • To delineate the incidence and clinical features of chronic giardiasis.
    • To compare the characteristics of chronic giardiasis with acute cases.
    • To assess treatment outcomes in a private practice outpatient cohort.

    Main Methods:

    • Retrospective review of 65 cases of giardiasis in an urban private practice.
    • Analysis of symptom duration, patient demographics, and travel history.

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  • Comparison of clinical presentation and treatment outcomes between acute and chronic giardiasis groups.

    • Main Results:

    • Chronic giardiasis (symptoms ≥ 6 months) accounted for 58% of cases, with a mean duration of 3.3 years.
    • Constipation and upper gastrointestinal complaints were more frequent in chronic cases.
    • Symptomatic cure rates were 71% for chronic and 93% for acute giardiasis.

    Conclusions:

    • Giardiasis frequently manifests as a chronic condition with prolonged symptoms in this urban outpatient population.
    • A history of foreign travel is not always present, and incidence is similar between sexes.
    • Treatment success rates differ between acute and chronic presentations, indicating potential challenges in managing persistent infections.