Kidney dysfunction due to AA amyloidosis in a morbidly obese female

© Dustri-Verlag Dr. K. Feistle..

Kidneys are commonly involved in systemic amyloidosis. Systemic AA amyloidosis is known to be associated with states of chronic inflammation such as autoimmune conditions, chronic infections, and malignancies. Obesity is increasingly recognized to be a risk factor for low-grade, chronic inflammation. We report a 48-year-old female with morbid obesity who presented with unexplained persistent mild kidney dysfunction and low-grade proteinuria. Attempt at evaluating the cause of kidney dysfunction included performing kidney biopsy despite technical challenges. Kidney biopsy showed AA amyloidosis with predominant vascular deposition, explaining the absence of nephrotic-range proteinuria. Evaluation for secondary causes of systemic AA amyloidosis was negative. While our patient was treated with sleeve gastrectomy for morbid obesity with reasonable response, it is likely that ongoing chronic inflammation, reflected by her laboratory markers, resulted in AA amyloidosis. Treatment with anakinra, an interleukin-1 antagonist, led to improvement in the laboratory markers in the next 6 months, and her kidney function remained stable. This report highlights an important cause of kidney dysfunction in morbid obesity, an atypical presentation of AA amyloidosis, and emphasizes the value of kidney biopsy in such patients.

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:11

Enthalten in:

Clinical nephrology. Case studies - 11(2023) vom: 28., Seite 121-125

Sprache:

Englisch

Beteiligte Personen:

Izzedine, Hassan [VerfasserIn]
Nimkar, Abhishek [VerfasserIn]
Bharati, Joyita [VerfasserIn]
Brocheriou, Isabelle [VerfasserIn]
Mathian, Alexis [VerfasserIn]
Charlotte, Frederic [VerfasserIn]
Jhaveri, Kenar D [VerfasserIn]
Georgin-Lavialle, Sophie [VerfasserIn]

Links:

Volltext

Themen:

Amyloidosis
Case Reports
Inflammation
Obesity
Serum amyloid A

Anmerkungen:

Date Revised 04.08.2023

published: Electronic-eCollection

Citation Status PubMed-not-MEDLINE

doi:

10.5414/CNCS111133

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM360332935