The Annals of pharmacotherapy
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To review the primary literature describing the pharmacology and clinical uses of bivalirudin. ⋯ At present, bivalirudin is worthy of consideration in patients requiring PTCA who have HIT. Advocating the routine use of bivalirudin in patients experiencing an acute coronary syndrome or HIT is premature.
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Review Meta Analysis
Fomepizole as an antidote for ethylene glycol poisoning.
To assess the use of fomepizole in the treatment of ethylene glycol poisoning in the absence of hemodialysis. ⋯ Case reports and 1 prospective trial have shown that, in the absence of both renal dysfunction and significant metabolic acidosis, the use of fomepizole should obviate the need for hemodialysis. However, the decision to add hemodialysis in the treatment of ethylene glycol poisoning based on plasma ethylene glycol concentrations is still debatable. A randomized, controlled trial is needed to determine the exact criteria for adding hemodialysis.
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Clinical Trial Controlled Clinical Trial
Lack of disulfiram-like reaction with metronidazole and ethanol.
Metronidazole, an effective antianaerobic agent, has been reported to have aversive properties when ingested with ethanol. This is thought to be due to the blocking of hepatic aldehyde dehydrogenase (ALDH) enzyme followed by the accumulation of acetaldehyde in the blood. However, based on animal studies and on only 10 human case reports, the existence of metronidazole-related disulfiram-like reaction has recently been questioned. ⋯ This study shows that metronidazole does not have an effect on blood acetaldehyde concentrations when ingested with ethanol and does not have any objective or subjective disulfiram-like properties. However, it is possible that disulfiram-like reaction can occur in some subgroups and by other mechanisms than the inhibition of hepatic ALDH.
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The CoaguChek S is the next-generation coagulation monitor for measuring the international normalized ratio (INR) that replaces the CoaguChek device. Studies are lacking comparing the CoaguChek S with local laboratory INR assessment to ensure its accuracy and precision for monitoring patients on anticoagulation. ⋯ The CoaguChek S is an accurate and precise alternative to laboratory assessment of the INR at values <4.0; it is an efficient device with a low likelihood of errors during testing.
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To report a case of suspected extrapyramidal symptoms (EPS) in a patient initiated on ritonavir and indinavir while taking risperidone for a tic disorder. ⋯ This is the second published case report describing a suspected drug interaction with ritonavir, indinavir, and risperidone. Caution is warranted when risperidone is prescribed with ritonavir/indinavir, and possibly with other antiretrovirals that inhibit the same pathways.