G.I. NURULLINA¹, T.N. KHALFINA¹, G.M. ISLAMOVA², A.S. SAGITOVA¹, L.A. KRASNOVA¹

 ¹Kazan State Medical University, Kazan

²Republican Clinical Hospital of the MH of RT, Kazan

 Contact details:

Nurullina G.I. — PhD (medicine), Assistant Lecturer of the Department of Hospital Therapy

Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: +7 (843) 290-18-20, e-mail: nurguzel@yandex.ru

 The purpose — to present a clinical case of acute kidney injury after a new coronavirus infection SARS-Cov-2 against the background of existing long-term renal disease.

Material and methods. Patient B., male, 73 years old, was transferred to the Nephrology Department of the Republican Clinical Hospital due to the increase in azotemia and a need for acute hemodialysis.

Results. As is known from the anamnesis, the patient was treated in a COVID hospital since October 2020. During hospitalization, creatinine (144.7 mmol/L) and urea (9.4 mmol/L) were slightly increased, but given a long renal history, the data obtained were interpreted in favor of the presence of stage 3B CKD. Further, the patient was discharged in a satisfactory condition due to an improvement and a double negative result of the coronavirus test. Then the patient’s condition worsened, which led to a second hospitalization in the COVID hospital. Diagnostics revealed a sharp increase in creatinine (944 mmol/L) and urea (38.5 mmol/L). These changes were regarded as the development of acute renal injury. For further treatment, the patient was transferred to the Nephrology Department of the Republican Clinical Hospital. Timely treatment by acute hemodialysis allowed achieving positive dynamics and stabilization of kidney functions.

Conclusion. The development of a new coronavirus infection does not exclude primary kidney damage, as well as acute damage against the background of an existing disease.

Key words: acute kidney injury, new coronavirus infection.

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