Resumen

CASTRO, Pedro Almiro e; OLIVEIRA, Nuno Afonso  y  ALVES, Rui. Thrombotic microangiopathy in a patient with a poorly controlled human immunodeficiency virus infection: A clinical case. Port J Nephrol Hypert [online]. 2022, vol.36, n.1, pp.11-14.  Epub 30-Mar-2022. ISSN 0872-0169.  https://doi.org/10.32932/pjnh.2022.03.176.

A 56-year-old male with a poorly controlled human immunodeficiency virus infection presents to the emergency room due to anorexia and weight loss. The patient was emaciated, hypertensive and his laboratory tests showed thrombocytopenia, anaemia, an elevated lactate dehydrogenase and an acute kidney injury. The patient was admitted to the Infecciology ward and by the fourth day, as the kidney function did not improve, a Nephrology consultation was requested. We collected a full auto-immune and serological panel and a urinalysis to rule out glomerular pathologies. Two days later, the patient developed a hypertensive emergency associated with an acute respiratory distress, responsive to furosemide and anti-hypertensive medications. The complementary study showed a high LDH, unmeasurable haptoglobin, thrombocytopenia and schizocytes on peripheral blood smear. These findings suggested a thrombotic microangiopathy associated with human immunodeficiency virus infection and so, he restarted antiretroviral therapy. The kidney function deteriorated and, despite starting haemodialysis, the patient died shortly after.

Palabras clave : acute kidney injury; human immunodeficiency virus infection; thrombotic microangiopathy.

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