نتایج جستجو برای: intermittent bolus doses
تعداد نتایج: 151841 فیلتر نتایج به سال:
OBJECTIVES To investigate the population pharmacokinetics of cefuroxime in critically ill patients. METHODS In this observational pharmacokinetic study, multiple blood samples were taken over one dosing interval of intravenous cefuroxime. Blood samples were analysed using a validated ultra HPLC tandem mass spectrometry technique. Population pharmacokinetic analysis and dosing simulations were...
A dose-escalation study was performed in 27 patients to determine the highest safe and potentially optimal dose of naloxone for treatment of acute cerebral ischemia. All patients received a bolus of naloxone followed by a continuous 24 hour infusion at an hourly rate 50% of the bolus. Loading doses ranged from 2.5 to 200 mg/m2. Total patient doses ranged from 52.3 to 4978 mg. No major dose-rela...
Results. Twenty women required a second bolus of oxytocin 5 u. Both the first and the second doses produced clinically and statistically significant haemodynamic changes, but the haemodynamic changes induced by the second dose were smaller than after the first dose. The mean maximal change in CO after the first and second doses were 94% (CI 70–117) and 42% (CI 33–52), respectively (P,0.0001), a...
BACKGROUND In this randomized, double-blind study, the authors investigated the efficacy of continuous and patient-controlled ropivacaine infusions via an infraclavicular perineural catheter in ambulatory patients undergoing moderately painful orthopedic surgery at or distal to the elbow. METHODS Preoperatively, patients (n = 30) received an infraclavicular perineural catheter and nerve block...
Urolithiasis is a common clinical condition of almost all domestic animals but higher incidence has been recorded in bovine and caprine [1]. Several anaesthetic techniques with different drugs have been used for the management of urolithiasis. Total intravenous anaesthesia (TIVA) for short procedures seems to carry a lower risk of intraanaesthetic death than volatile agents [2]. In veterinary p...
The serine-threonine protein kinase inhibitor H-7 and the fungal metabolite cytochalasin B (CB) disrupt the actin microfilament network by different mechanisms, and increase outflow facility similarly in live monkeys. Their combined effect has therefore determined on total outflow facility in cynomolgus monkeys by 2-level constant pressure perfusion. (1) After unilateral anterior chamber (AC) b...
BACKGROUND AND PURPOSE Aptiganel (CNS 1102) is a selective, noncompetitive antagonist that acts on the ion channel associated with the N-methyl-D-aspartate (NMDA) receptor and is neuroprotective in experimental focal cerebral ischemia models at a plasma concentration of 10 ng/mL. In human volunteers, dose-limiting effects of aptiganel are blood pressure increases and central nervous system (CNS...
BACKGROUND It remains unknown whether continuous or scheduled intermittent bolus local anesthetic administration is preferable for adductor canal perineural catheters. Therefore, we tested the hypothesis that scheduled bolus administration is superior or noninferior to a continuous infusion on cutaneous knee sensation in volunteers. METHODS Bilateral adductor canal catheters were inserted in ...
Background and objective: Oral isotretinoin is the only treatment that has an effect on all the major etiological factors involved in acne (Increased sebum production, alterations in microbial flora, hyperkeratinization of pilosebaceous duct, and inflammation). Considering complications and relative expense, several treatment regimens have been suggested. The objective of this study was to eval...
In the first Phase I clinical trials of endostatin as an antiangiogenic therapy for cancer, the protein was administered as an i.v. bolus for approximately 20-30 min each day. This protocol was based on experimental studies in which animals were treated by s.c. bolus once a day. However, it was not clear in the previous studies whether this schedule could be maximized further. Therefore, we dev...
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