Anesthesia and analgesia
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Anesthesia and analgesia · Mar 2007
Lung mechanics and histology during sevoflurane anesthesia in a model of chronic allergic asthma.
There are no studies examining the effects of sevoflurane on a chronically inflamed and remodeled airway, such as that found in asthma. In the present study, we sought to define the respiratory effects of sevoflurane in a model of chronic allergic asthma. For this purpose, pulmonary mechanics were studied and lung morphometry analyzed to determine whether the physiological modifications reflected underlying morphological changes. ⋯ Sevoflurane anesthesia acted both at airway level and lung periphery reducing ([DELTA]P1 and [DELTA]P2 pressures, and Est in chronic allergic asthma.
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Anesthesia and analgesia · Mar 2007
Randomized Controlled Trial Comparative StudySugammadex reversal of rocuronium-induced neuromuscular blockade: a comparison with neostigmine-glycopyrrolate and edrophonium-atropine.
Time to achieve full reversal (TOFR > 0.9) was significantly faster with sugammadex (107s ± 61) than neostigmine (1044 ±590s) or edrophonium (331s ± 27).
All sugammadex-reversed patients were completely reversed within 5 minutes, compared with no patients receiving neostigmine.
Reversal with sugammadex lead to less increase in heart-rate than when neostigmine-glycopyrrolate or edrophonium-atropine and almost total avoidance of the dry-mouth associated with the later (5% vs 85-95%)
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Anesthesia and analgesia · Mar 2007
EditorialSugammadex: an opportunity to change the practice of anesthesiology?
Miller enthusiastically states:
“Sugammadex is likely the most exciting drug in clinical neuromuscular pharmacology since the introduction of atracurium and vecuronium in the middle 1980s.”
...and hints at where benefits may begin:
summary“Will sugammadex’s increased effectiveness, in comparison to neostigmine, lessen the need for or use of monitoring neuromuscular function?”
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Anesthesia and analgesia · Mar 2007
Case ReportsA temporary decrease in twitch response during reversal of rocuronium-induced muscle relaxation with a small dose of sugammadex.
We present a case in which a temporary decrease in train-of-four (TOF) response was observed after reversal of muscle relaxation with a small dose (0.5 mg/kg) of sugammadex administered 42 min after 0.9 mg/kg of rocuronium. At the end of the operation, the TOF ratio was >0.9, and the patient woke normally, without signs of muscle weakness. We describe this temporary decrease in muscle response during muscle relaxation reversal as muscle relaxation rebound and hypothesize that it occurs when the dose of sugammadex is sufficient for complex formation with rocuronium in the central compartment, but insufficient for redistribution of rocuronium from peripheral to central compartments. ⋯ Sufficiently large doses of sugammadex eliminate the possibility for muscle relaxation rebound, which does not require dissociation of the sugammadex/ rocuronium complex.