• Internal medicine · Oct 2023

    Review Case Reports

    Indications for Percutaneous Drainage in Patients with Huang Class 3B Emphysematous Pyelonephritis: A Case Report and Literature Review.

    • Shohei Fukunaga, Yumi Naito, Yuki Hoshino, Masafumi Oba, Miharu Kawanishi, Kaori Yoshikane, Masahiro Egawa, Takafumi Ito, and Kazuaki Tanabe.
    • Division of Nephrology, Shimane University Hospital, Japan.
    • Intern. Med. 2023 Oct 1; 62 (19): 287128762871-2876.

    AbstractEmphysematous pyelonephritis (EPN) is a severe urinary tract infection common in patients with diabetes. Nephrectomy is recommended when the Huang classification is ≥3B. We herein report a case in which nephrectomy was avoided using antimicrobial agents and percutaneous drainage (PCD). A 59-year-old man was diagnosed with EPN (Huang classification 3B). The causative bacteria were Escherichia coli. Despite high-risk factors, EPN was cured with kidney preservation and PCD because the emphysema and abscess were not extensive. Thus, PCD should be considered in patients with Huang Class 3B EPN and high-risk factors if emphysema and abscess are not extensive.

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