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Acquiescent renal infection.

T E Miller, D North, S Burnham

    Kidney International
    |June 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Escherichia coli kidney infections can occur without causing damage. This "acquiescent infection" shows bacteria present in the renal parenchyma, sometimes proliferating after trauma, but not always leading to pathology or increased antibodies.

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    Area of Science:

    • Urology
    • Nephrology
    • Microbiology

    Background:

    • Bacterial infections, particularly with Escherichia coli, are common causes of kidney pathology.
    • Understanding the host-parasite relationship in renal infections is crucial for effective treatment.

    Purpose of the Study:

    • To investigate the relationship between Escherichia coli infection and pathologic lesions in the renal parenchyma.
    • To compare bacteriologic, pathologic, and immunologic features in infected and unmanipulated kidneys.

    Main Methods:

    • Experimental induction of Escherichia coli infection in one kidney of animal models.
    • Comparative analysis of bacteriologic, pathologic, and immunologic markers between pyelonephritic and contralateral kidneys.
    • Assessment of bacterial presence and proliferation in renal parenchyma, including response to renal trauma.

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    Main Results:

    • Active bacterial infection correlated with pathology in the infected kidney.
    • Poor correlation observed between bacterial growth and pathology in the contralateral, unmanipulated kidney.
    • Bacteria were found in the contralateral renal parenchyma, with proliferation inducible by trauma, but not consistently causing histopathologic damage or increased serum antibody.

    Conclusions:

    • Kidney infection is not always associated with pathologic changes, a state termed "acquiescent infection".
    • Persistent bacterial presence in the renal parenchyma can occur without overt disease.
    • Renal trauma can activate dormant infections, but this activation doesn't invariably lead to kidney damage or an immune response.