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Related Concept Videos

Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

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Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies.
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Acute Pyelonephritis I: Introduction01:27

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Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
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Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

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A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
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Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

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Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
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Related Experiment Video

Updated: Nov 9, 2025

Author Spotlight: Development of an Enhanced Protocol for Rapid and Accurate Isolation of Campylobacter from Food Products
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Author Spotlight: Development of an Enhanced Protocol for Rapid and Accurate Isolation of Campylobacter from Food Products

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[Invasive Campylobacter infections].

Viviane Donner1, Antony Croxatto2, Frédéric Tissot1

  • 1Service des maladies infectieuses, Département de médecine interne, CHUV, 1011 Lausanne.

Revue Medicale Suisse
|April 14, 2021
PubMed
Summary

Campylobacter jejuni and coli cause common enteritis. Campylobacter fetus, however, rarely causes infection but is linked to severe bloodstream and deep-seated infections, especially in vulnerable patients.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • The Campylobacter genus includes significant human pathogens like C. jejuni, C. coli, and C. fetus.
  • C. jejuni/coli typically cause self-limited enteritis in immunocompetent individuals, with rare instances of bacteremia.
  • C. fetus is an opportunistic pathogen, infrequently found in stool but capable of causing severe infections in immunocompromised or comorbid patients.

Purpose of the Study:

  • To differentiate the pathogenic potential and clinical manifestations of Campylobacter species, focusing on C. fetus bacteremia.
  • To highlight the distinct clinical significance of C. fetus infections compared to C. jejuni and C. coli.

Main Methods:

  • Review of clinical case data and microbiological findings related to Campylobacter infections.

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  • Comparative analysis of patient demographics, comorbidities, and infection types associated with different Campylobacter species.

    • Main Results:

    • Campylobacter jejuni and Campylobacter coli are primarily associated with enteritis.
    • Campylobacter fetus bacteremia is uncommon but significantly linked to severe endovascular and deep-seated infections.
    • Patients with comorbidities or immunosuppression are more susceptible to C. fetus bacteremia.

    Conclusions:

    • Campylobacter fetus bacteremia represents a distinct clinical entity with a propensity for severe invasive disease.
    • Distinguishing between Campylobacter species is crucial for predicting disease severity and guiding patient management.
    • Further research into C. fetus pathogenesis and treatment is warranted.