British journal of anaesthesia
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Review Meta Analysis
Does anaesthesia with nitrous oxide affect mortality or cardiovascular morbidity? A systematic review with meta-analysis and trial sequential analysis.
Available evidence does not support the claim that nitrous oxide affects mortality or cardiovascular morbidity.
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Review Meta Analysis
Effects of dexamethasone as a local anaesthetic adjuvant for brachial plexus block: a systematic review and meta-analysis of randomized trials.
Adjuvant perineural dexamethasone (4-10 mg) prolongs brachial plexus sensory and motor blockade by between 65% and 100% longer.
pearl