The Annals of pharmacotherapy
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Review Comparative Study
Role of new drugs for management of atrial fibrillation.
To evaluate the role of newer agents in the management of atrial fibrillation (AF). ⋯ Use of dronedarone should be limited to patients with paroxysmal or persistent AF and should not be used in patients with heart failure or with permanent AF. Newer antithrombotic agents appear to be promising alternatives for the prevention of stroke in patients with AF; however, more data are needed to understand their role.
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To investigate the nature of the interaction between selective serotonin reuptake inhibitors (SSRIs) and tramadol to mitigate or avoid serotonin syndrome. ⋯ Coadministration of tramadol and SSRIs has caused serotonin syndrome. An attempt should be made to identify individuals who are poor metabolizers of CYP2D6 and avoid this combination in those patients. When SSRIs and tramadol must be used in combination, it is critical that patients be aware of the signs and symptoms of serotonin syndrome, should they occur.
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To review the evidence for pharmacologic agents available in the treatment of nosocomial methicillin-resistant Staphylococcus aureus (MRSA) pneumonia. ⋯ Based on the currently available evidence and cost-effectiveness, vancomycin should continue to be the drug of choice for most patients with nosocomial MRSA pneumonia. Linezolid is a reasonable alternative for patients with treatment failure while receiving vancomycin, isolates with vancomycin minimum inhibitory concentrations over 2 μg/mL, allergic reactions, or vancomycin-induced nephrotoxicity.
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Comparative Study
Vitamin K dosing to reverse warfarin based on INR, route of administration, and home warfarin dose in the acute/critical care setting.
Vitamin K is commonly used for reversal of anticoagulation of warfarin. However, the optimal dose and route of vitamin K that does not increase the duration of bridging therapy is unknown. ⋯ Vitamin K dose, route, and initial INR influence subsequent INR values. INR reduction is similar for intravenous vitamin K doses of 2 mg or greater. Preadministration of FFP does not alter INR values at 48 hours or more after vitamin K administration.
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To present a series of cases demonstrating successful reversal of mifepristone effects in women who chose to reverse the medical abortion process. ⋯ Health care professionals should be aware of the possible use of progesterone to reverse mifepristone in women who have begun the medical abortion process by taking mifepristone and then change their minds.