Factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection.
<h4>Objective</h4>Formulae used to estimate glomerular filtration rate (GFR) underestimate higher GFRs and have not been well-studied in HIV-infected (HIV(+)) people; we evaluated the relationships of HIV infection and known or potential risk factors for kidney disease with directly meas...
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oai:doaj.org-article:78820db061ad4a4980c77282ca0ea2752021-11-18T08:33:21ZFactors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection.1932-620310.1371/journal.pone.0086311https://doaj.org/article/78820db061ad4a4980c77282ca0ea2752014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24516530/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Objective</h4>Formulae used to estimate glomerular filtration rate (GFR) underestimate higher GFRs and have not been well-studied in HIV-infected (HIV(+)) people; we evaluated the relationships of HIV infection and known or potential risk factors for kidney disease with directly measured GFR and the presence of chronic kidney disease (CKD).<h4>Design</h4>Cross-sectional measurement of iohexol-based GFR (iGFR) in HIV(+) men (n = 455) receiving antiretroviral therapy, and HIV-uninfected (HIV(-)) men (n = 258) in the Multicenter AIDS Cohort Study.<h4>Methods</h4>iGFR was calculated from disappearance of infused iohexol from plasma. Determinants of GFR and the presence of CKD were compared using iGFR and GFR estimated by the CKD-Epi equation (eGFR).<h4>Results</h4>Median iGFR was higher among HIV(+) than HIV(-) men (109 vs. 106 ml/min/1.73 m(2), respectively, p = .046), and was 7 ml/min higher than median eGFR. Mean iGFR was lower in men who were older, had chronic hepatitis C virus (HCV) infection, or had a history of AIDS. Low iGFR (≤90 ml/min/1.73 m(2)) was associated with these factors and with black race. Other than age, factors associated with low iGFR were not observed with low eGFR. CKD was more common in HIV(+) than HIV(-) men; predictors of CKD were similar using iGFR and eGFR.<h4>Conclusions</h4>iGFR was higher than eGFR in this population of HIV-infected and -uninfected men who have sex with men. Presence of CKD was predicted equally well by iGFR and eGFR, but associations of chronic HCV infection and history of clinically-defined AIDS with mildly decreased GFR were seen only with iGFR.Joseph B MargolickLisa P JacobsonGeorge J SchwartzAlison G AbrahamAnnie T DarilayLawrence A KingsleyMallory D WittFrank J PalellaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 2, p e86311 (2014) |
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Medicine R Science Q Joseph B Margolick Lisa P Jacobson George J Schwartz Alison G Abraham Annie T Darilay Lawrence A Kingsley Mallory D Witt Frank J Palella Factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection. |
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<h4>Objective</h4>Formulae used to estimate glomerular filtration rate (GFR) underestimate higher GFRs and have not been well-studied in HIV-infected (HIV(+)) people; we evaluated the relationships of HIV infection and known or potential risk factors for kidney disease with directly measured GFR and the presence of chronic kidney disease (CKD).<h4>Design</h4>Cross-sectional measurement of iohexol-based GFR (iGFR) in HIV(+) men (n = 455) receiving antiretroviral therapy, and HIV-uninfected (HIV(-)) men (n = 258) in the Multicenter AIDS Cohort Study.<h4>Methods</h4>iGFR was calculated from disappearance of infused iohexol from plasma. Determinants of GFR and the presence of CKD were compared using iGFR and GFR estimated by the CKD-Epi equation (eGFR).<h4>Results</h4>Median iGFR was higher among HIV(+) than HIV(-) men (109 vs. 106 ml/min/1.73 m(2), respectively, p = .046), and was 7 ml/min higher than median eGFR. Mean iGFR was lower in men who were older, had chronic hepatitis C virus (HCV) infection, or had a history of AIDS. Low iGFR (≤90 ml/min/1.73 m(2)) was associated with these factors and with black race. Other than age, factors associated with low iGFR were not observed with low eGFR. CKD was more common in HIV(+) than HIV(-) men; predictors of CKD were similar using iGFR and eGFR.<h4>Conclusions</h4>iGFR was higher than eGFR in this population of HIV-infected and -uninfected men who have sex with men. Presence of CKD was predicted equally well by iGFR and eGFR, but associations of chronic HCV infection and history of clinically-defined AIDS with mildly decreased GFR were seen only with iGFR. |
format |
article |
author |
Joseph B Margolick Lisa P Jacobson George J Schwartz Alison G Abraham Annie T Darilay Lawrence A Kingsley Mallory D Witt Frank J Palella |
author_facet |
Joseph B Margolick Lisa P Jacobson George J Schwartz Alison G Abraham Annie T Darilay Lawrence A Kingsley Mallory D Witt Frank J Palella |
author_sort |
Joseph B Margolick |
title |
Factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection. |
title_short |
Factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection. |
title_full |
Factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection. |
title_fullStr |
Factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection. |
title_full_unstemmed |
Factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for HIV infection. |
title_sort |
factors affecting glomerular filtration rate, as measured by iohexol disappearance, in men with or at risk for hiv infection. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2014 |
url |
https://doaj.org/article/78820db061ad4a4980c77282ca0ea275 |
work_keys_str_mv |
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