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Crescentic Glomerulonephritis and Portal Hypertension with Chronic Q Fever: A Case Report and Comprehensive
Yuxuan Yao1,2,3, Hong Zhao4, Hua Lu5
1Department of Nephrology, Peking University First Hospital, Peking University Institute of Nephrology, Beijing, People's Republic of China.
Abstract:
Q fever, an infectious zoonotic disease caused by Coxiella burnetii, remains prevalent in China. Systemic infections can result in renal or hepatic complications; however, it is rare for both the kidneys and liver to be simultaneously affected. We present a case of a patient who exhibited fever, rapid deterioration in renal function, thrombocytopenia, and severe ascites. Renal biopsy revealed crescentic glomerulonephritis, while liver biopsy demonstrated non-cirrhotic portal hypertension. Metagenomic next-generation sequencing (mNGS) identified the presence of Coxiella burnetii in both venous blood and liver tissue samples. Notably, the patient's renal insufficiency and ascites showed a positive response to treatment for chronic Q fever. These findings provide valuable insights into the limited understanding of kidney and liver diseases associated with Q fever. Advanced diagnostic technologies, including mNGS and positron emission tomography/computed tomography (PET/CT), have been employed to identify Coxiella burnetii infection.
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