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UTI test often fails to detect infection, say researchers

Discussion in 'Other Health News and Research' started by ladycatlover, Dec 13, 2018.

  1. ladycatlover

    ladycatlover Moderator Staff Member

    Messages:
    3,358
    Location:
    Liverpool, UK
    https://www.theguardian.com/society...w-uti-urinary-tract-infections-testing-method

    Tests negative, no treatment offered... Must be down to those medically unexplained symptoms? ;)
     
    rvallee, Wonko, Simbindi and 17 others like this.
  2. NelliePledge

    NelliePledge Moderator Staff Member

    Messages:
    8,768
    Location:
    UK West Midlands
    Simbindi, Hutan, ladycatlover and 2 others like this.
  3. Daisy

    Daisy Senior Member (Voting Rights)

    Messages:
    298
    Location:
    Suffolk
    There's some good information on the website - CUTIC, about the Kass threshold for identifying a UTI and the limitations. The Kass threshold was actually based on a small number of pregnant women with kidney infections then extrapolated to UTIs. Kass himself noted that people with UTIs tend to drink a lot of fluids, diluting the bacteria in the urine.
    http://www.cutic.co.uk/patients/why-are-my-tests-negative/

    It's astounding (or maybe not!) that this threshold has been used for over 50 years, and little progress seems to be made in that time in identifying more effective testing for UTI's.

    The CUTIC website also has a good summary sheet for GP's which I took along today when I saw the nurse practitioner. My GP had previously been adamant that microbiology would identify an infection, and that if the results were "normal" then there is no infection despite "typical" UTI symptoms.

    The nurse practitioner was more open to the possibility of an infection, hopefully a short course of antibiotics will do the trick...if not back to the GP.

    ETA thanks to @ladycatlover who flagged this up...and I vaguely remembered the post when this issue came up with my GP.
     
    Amw66, inox, It's M.E. Linda and 4 others like this.
  4. Dx Revision Watch

    Dx Revision Watch Senior Member (Voting Rights)

    Messages:
    2,688
    At the risk of becoming an ICD-11 bore...for anyone interested in how Interstitial cystitis is described in ICD-11:

    https://icd.who.int/dev11/l-m/en#/http://id.who.int/icd/entity/1650709285

    GC00.3 Interstitial cystitis

    Parents:

    16 Diseases of the genitourinary system
    > Diseases of the urinary system
    > Certain specified diseases of urinary system
    > GC00.3 Interstitial cystitis

    Description

    Additional Information

    (see https://icd.who.int/dev11/l-m/en#/http://id.who.int/icd/entity/1650709285
    for Description and Additional Information texts as these are quite long)

    --------------------------


    Interstitial cystitis is also listed among the Index Terms for MG30.50 Chronic central neuropathic pain

    under Chronic central post stroke pain

    https://icd.who.int/dev11/l-m/en#/http://id.who.int/icd/entity/1297540670

    MG30.50 Chronic central neuropathic pain

    Parents:


    21 Symptoms, signs or clinical findings, not elsewhere classified
    >General symptoms, signs or clinical findings
    >General symptoms
    >Pain
    >MG30 Chronic pain
    >MG30.5 Chronic neuropathic pain
    >MG30.50 Chronic central neuropathic pain

    Again, see listing: https://icd.who.int/dev11/l-m/en#/http://id.who.int/icd/entity/1297540670 for the Description, Additional Information, Inclusions texts, as these are quite long.

    All Index Terms:
    • Chronic central neuropathic pain
    • Chronic central neuropathic pain associated with spinal cord injury
    • Chronic central neuropathic pain associated with brain injury
    • Chronic central post stroke pain
      • BPS/IC - [bladder pain syndrome/interstitial cystitis]
      • painful bladder syndrome
      • PBS/IC - [painful bladder syndrome/interstitial cystitis]
    • Chronic central neuropathic pain associated with multiple sclerosis


    Edit:

    On June 19, 2019, a rep for the International Association for the Study of Pain (IASP), the NGO collaborating with WHO in the development of the Chronic pain and Chronic primary pain categories for ICD-11, submitted a proposal for Deletion of:

    • BPS/IC - [bladder pain syndrome/interstitial cystitis]
    • painful bladder syndrome
    • PBS/IC - [painful bladder syndrome/interstitial cystitis]

    from under Synonyms to Chronic central post stroke pain. This proposal has not been processed yet but if approved, these terms in blue would be removed as Index terms under MG30.50 Chronic central neuropathic pain and from under Synonyms terms under Chronic central post stroke pain.
     
    Last edited: Jun 25, 2019
  5. It's M.E. Linda

    It's M.E. Linda Senior Member (Voting Rights)

    Messages:
    714
    Dare I suggest that this may be because women get more uti’s than men? (deepest apologies to our lovely gentlemen on this forum!) so it really is time for researchers to sort this out.
     
    Daisy, Amw66, ladycatlover and 2 others like this.

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