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[Osteonecrosis in HIV-infected patients and its correlation with highly active antiretroviral therapy (HAART)]

Leonardo Calza1, Roberto Manfredi, Francesco Chiodo

  • 1Département de médecine clinique et expérimentale, section de maladies infectieuses, Alma Mater Studiorum Université de Bologna, Hôpital S.Orsola, Bologna, Italie. malinf@med.unibo.it

Presse Medicale (Paris, France : 1983)
|April 26, 2003
PubMed

Insights

Avascular bone necrosis is increasing in HIV patients. While highly active antiretroviral therapy (HAART), dyslipidemia, and autoimmunity may contribute, they are not always required for its development.

Area of Science:

  • Medical research
  • Clinical case studies
  • Immunology

Background:

  • Osteonecrosis incidence is rising in HIV-infected individuals.
  • Highly active antiretroviral therapy (HAART) is a suspected factor, potentially linked to drug-induced hyperlipidemia.
  • This study presents seven clinical cases of osteonecrosis in HIV patients.

Purpose of the Study:

  • To investigate the occurrence and potential contributing factors of osteonecrosis in HIV-infected patients.
  • To analyze the relationship between HAART, dyslipidemia, autoimmunity, and avascular bone necrosis in this population.

Main Methods:

  • Case series involving seven HIV-infected patients (6 males, 1 female) aged 29-49.
  • Patients presented with advanced immunodeficiency (CD4 count <250 cells/mm3).
  • Diagnosis of osteonecrosis, primarily affecting the femoral head, was confirmed via MRI or skeletal scintigraphy.

Main Results:

  • Four out of seven patients were on HAART at diagnosis.
  • One patient exhibited moderate hypertriglyceridemia.
  • Three patients tested positive for anti-phospholipid antibodies.

Conclusions:

  • HAART, dyslipidemia, and autoimmunity are potential contributing factors, but not essential prerequisites for HIV-associated avascular bone necrosis.
  • The etiology of osteonecrosis in HIV patients may be multifactorial.
  • Further research is needed to elucidate the complex interplay of factors leading to avascular bone necrosis in HIV-infected individuals.
Abstract

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