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1.
J Addict Dis ; : 1-9, 2024 Feb 14.
Article in English | MEDLINE | ID: mdl-38355422

ABSTRACT

Fentanyl has emerged as the leading cause of fatal drug overdoses in the U.S. Individuals misusing drugs may not always be aware of exposure to fentanyl.To determine the prevalence of fentanyl use and extent of awareness of fentanyl exposure among a national sample of treatment-seeking individuals with opioid use disorder (n = 1098).Participants provided oral fluid and urine specimens, which were tested for drugs by liquid chromatography/tandem mass spectrometry. Participants also provided self-reports of fentanyl use.49.5% tested positive for fentanyl in oral fluid, urine, or both. Of those testing positive for fentanyl, 29.8% were unaware that they had been exposed to fentanyl. Participants testing positive for opioids methadone, and specifically 6-monoacetylmorphine (6-MAM), a unique metabolite of heroin, were significantly more likely to be unaware of fentanyl exposure than participants testing negative for these substances, with a similar trend for oxycodone and tramadol.These findings may be due to fentanyl's effect being difficult to distinguish from that of other opioids, whereas when other types of drugs are adulterated with fentanyl, the differences in effects are likely to be readily discernable. These results support the importance of expanded drug-checking services.

2.
Eur J Clin Nutr ; 67(10): 1077-80, 2013 Oct.
Article in English | MEDLINE | ID: mdl-24002043

ABSTRACT

OBJECTIVE: The potential renal acid load (PRAL) in diet may have a key role in renal stone formation through its effect on calcium and citrate metabolism. We examined the association between calcium renal stone formation and the PRAL in a population-based case-control study. METHODS: A group of 123 calcium renal stone formers was compared with an equal number of age- and sex-matched controls. Dietary history was obtained by 24-h recall. Odds ratios (ORs) and 95% confidence intervals (CI) were calculated across quartiles of dietary intakes of PRAL. RESULTS: Compared with those in the lowest quartiles of PRAL, we found an increased risk of renal stone formation for those in the highest quartile (Q4 OR=2.51, 95% CI 1.218-5.172). Regarding individual food patterns, we found a significant protection for a high consumption of vegetables (two or more servings/day; OR=0.526, 95% CI 0.288-0.962). CONCLUSIONS: A PRAL in diet and a reduced consumption of vegetables are associated with an increased risk of calcium renal stone formation. In renal stone formers consumption of plant foods should be encouraged in order to counterbalance the acid load derived from animal-derived foods.


Subject(s)
Acids/metabolism , Calcium, Dietary/metabolism , Diet , Feeding Behavior , Kidney Calculi/etiology , Kidney/metabolism , Vegetables , Adult , Case-Control Studies , Diet Records , Female , Humans , Kidney Calculi/metabolism , Kidney Calculi/prevention & control , Male , Mental Recall , Middle Aged , Odds Ratio , Risk Factors
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