Ronit, A;
Hatleberg, CI;
Ryom, L;
Bonnet, F;
El-Sadr, W;
Reiss, P;
Weber, R;
... D:A:D Study group, DADSG; + view all
(2018)
Associations between serum albumin and serious non-AIDS events among people living with HIV.
AIDS
, 32
(13)
pp. 1837-1848.
10.1097/QAD.0000000000001900.
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Abstract
OBJECTIVE: Lower serum albumin (sAlb) has been associated with an increased risk of mortality and AIDS among people living with HIV and may be associated with the development of serious non-AIDS events (SNAEs). We evaluated the long-term association between sAlb and the risk of SNAEs. DESIGN: Prospective multinational cohort study. METHODS: D:A:D participants without SNAEs were followed from first routine sAlb value to the first of a new SNAE [cardiovascular disease (CVD), end-stage liver disease (ESLD), end-stage renal disease (ESRD), non-AIDS malignancy (NADM), death from non-AIDS cause], AIDS-death, 6 months after last visit or 01/02/2016. Poisson regression was used to determine associations between sAlb and a new i) SNAE, ii) CVD or iii) NADM event, with adjustment for potential confounders. Models additionally tested whether the associations were modified by age, follow-up time, smoking status, CD4 and viral load. RESULTS: Of 16,350 participants (71.8% male, median age 44 years) 1,463 developed a SNAE (371 CVD, 200 ESLD, 40 ESRD, 553 NADM, 299 deaths from other non-AIDS causes) over 80,264 person-years. Increased sAlb was associated with a decreased risk of an SNAE (adjusted rate ratio (aRR) per 5 g/L: SNAE 0.79 [95%CI: 0.76, 0.83]; CVD 0.87 [0.80, 0.94]; NADM 0.88 [0.82, 0.95]). The association did not appear to wane with additional years of follow-up (p-interaction = 0.79) but was stronger for current smokers than for never smokers (p-interaction<0.01). CONCLUSIONS: sAlb is a durable risk factor for SNAE. Future studies are needed to determine the mechanism underlying this association and to evaluate the value of sAlb in predictive tools.
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