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1.
Curr HIV/AIDS Rep ; 9(3): 187-99, 2012 Sep.
Article in English | MEDLINE | ID: mdl-22706955

ABSTRACT

Antiretroviral therapy has been immensely successful in reducing the incidence of opportunistic infections and death after HIV infection. This has resulted in heightened interest in noninfectious comorbidities including kidney disease. Although HIV-associated nephropathy, the most ominous kidney disease related to the direct effects of HIV, may be prevented and treated with antiretrovirals, kidney disease remains an important issue in this population. In addition to the common risk factors for kidney disease of diabetes mellitus and hypertension, HIV-infected individuals have a high prevalence of other risk factors, including hepatitis C and exposure to antiretrovirals and other medications. Therefore, the differential diagnosis is vast. Early identification (through efficient screening) and prompt treatment of kidney disease in HIV-infected individuals are critical to lead to better outcomes. This review focuses on clinical and epidemiological issues, treatment strategies (including dialysis and kidney transplantation), and recent advances among kidney disease in the HIV population.


Subject(s)
AIDS-Associated Nephropathy/physiopathology , Acquired Immunodeficiency Syndrome/physiopathology , Acute Kidney Injury/virology , Hepatitis C/physiopathology , Kidney Failure, Chronic/virology , Renal Dialysis , AIDS-Associated Nephropathy/therapy , Acquired Immunodeficiency Syndrome/complications , Acquired Immunodeficiency Syndrome/drug therapy , Acute Kidney Injury/physiopathology , Acute Kidney Injury/therapy , Antiretroviral Therapy, Highly Active/adverse effects , Diagnosis, Differential , Female , Hepatitis C/complications , Hepatitis C/therapy , Humans , Incidence , Kidney Failure, Chronic/physiopathology , Kidney Failure, Chronic/therapy , Kidney Transplantation/statistics & numerical data , Male , Renal Dialysis/statistics & numerical data , Risk Factors
2.
Kidney Int ; 79(8): 825-42, 2011 Apr.
Article in English | MEDLINE | ID: mdl-21248716

ABSTRACT

The prognosis of human immunodeficiency virus (HIV) infection has improved in recent years with the introduction of antiretroviral treatment. While the frequency of AIDS-defining events has decreased as a cause of death, mortality from non-AIDS-related events including end-stage renal diseases has increased. The etiology of chronic kidney disease is multifactorial: immune-mediated glomerulonephritis, HIV-associated nephropathy, thrombotic microangiopathies, and so on. HIV infection is no longer a contraindication to transplantation and is becoming standard therapy in most developed countries. The HIV criteria used to select patients for renal transplantation are similar in Europe and North America. Current criteria state that prior opportunistic infections are not a strict exclusion criterion, but patients must have a CD4+ count above 200 cells/mm(3) and a HIV-1 RNA viral load suppressible with treatment. In recent years, more than 200 renal transplants have been performed in HIV-infected patients worldwide, and mid-term patient and graft survival rates have been similar to that of HIV-negative patients. The main issues in post-transplant period are pharmacokinetic interactions between antiretrovirals and immunosuppressants, a high rate of acute rejection, the management of hepatitis C virus coinfection, and the high cardiovascular risk after transplantation. More studies are needed to determine the most appropriate antiretroviral and immunosuppressive regimens and the long-term outcome of HIV infection and kidney graft.


Subject(s)
HIV Infections/complications , Kidney Failure, Chronic/complications , Kidney Failure, Chronic/surgery , Kidney Transplantation , Anti-HIV Agents/administration & dosage , Cardiovascular Diseases/complications , Contraindications , Drug Interactions , Europe , Graft Rejection/etiology , Hepatitis C/complications , Humans , Immunosuppressive Agents/administration & dosage , Kidney Failure, Chronic/etiology , Kidney Transplantation/adverse effects , Kidney Transplantation/statistics & numerical data , Pancreas Transplantation , Patient Selection , Renal Replacement Therapy , Tissue Donors , United States , Waiting Lists
3.
Am J Transplant ; 4(8): 1308-14, 2004 Aug.
Article in English | MEDLINE | ID: mdl-15268733

ABSTRACT

We performed a randomized trial to compare two regimens of low-risk kidney allograft recipients in the first year after transplantation. Both regimens initially included sirolimus, tacrolimus and steroids; one with long-term maintenance with these drugs vs. tacrolimus withdrawal. Group I: sirolimus levels of 4-8 ng/mL, plus tacrolimus 8-12 ng/mL for 3 months, and 5-10 ng/mL after month 3. Group II: sirolimus concentration of 8-16 ng/mL, plus tacrolimus 3-8 ng/mL with tacrolimus elimination from month 3 onwards. Owing to difficulties in achieving target levels, the protocol was amended to increase the doses. Eighty-seven patients were recruited. In the intention-to-treat analysis, glomerular filtration rate (GFR) at 12 months, adjusted to zero for graft loss, was similar in both groups (58.8 and 59.9 mL/min). Analysis of patients remaining on protocol showed that GFR was higher in group II only in the patients postamendment (58.4 and 72.9 mL/min, p = 0.03). Rates of biopsy-confirmed rejection (BCAR) were 9.3% and 22.7% in groups I and II, respectively (p = NS). After amendment, BCAR rates were 10.3% and 11.1% (p = NS). Diastolic blood pressure was significantly lower in patients who eliminated tacrolimus (80.4 vs. 75.6 mmHg) (p = 0.03). Combining sirolimus and tacrolimus with adequate loading doses was associated with a low incidence of BCAR, and allowed tacrolimus elimination in a high proportion of patients, which may be followed by amelioration in renal function and blood pressure.


Subject(s)
Immunosuppressive Agents/administration & dosage , Kidney Transplantation/methods , Sirolimus/administration & dosage , Tacrolimus/administration & dosage , Transplantation, Homologous/methods , Adult , Biopsy , Blood Pressure , Diastole , Female , Glomerular Filtration Rate , Humans , Kidney/pathology , Male , Middle Aged , Pilot Projects , Risk , Time Factors
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