Journal of clinical anesthesia
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Randomized Controlled Trial
Dexmedetomidine suppresses the decrease in blood pressure during anesthetic induction and blunts the cardiovascular response to tracheal intubation.
To evaluate the effect of dexmedetomidine combined with fentanyl on hemodynamics. ⋯ Dexmedetomidine combined with fentanyl during anesthetic induction suppresses the decrease in blood pressure due to anesthetic induction and also blunts the cardiovascular response to tracheal intubation.
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Randomized Controlled Trial Comparative Study
The comparative effects of equipotent Bispectral Index dosages of propofol and sevoflurane on cerebrovascular carbon dioxide reactivity in elderly patients.
To compare the effects of equipotent Bispectral Index (BIS) doses of propofol and sevoflurane on cerebrovascular carbon dioxide (CO(2)) reactivity in elderly patients. ⋯ In elderly patients, hypercapnia has less effect on cerebral circulation during propofol anesthesia than with sevoflurane.
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Randomized Controlled Trial
The effective time and concentration of nitrous oxide to reduce venipuncture pain in children.
To investigate the time of administration and concentration of inhaled nitrous oxide (N(2)O) needed to reduce the pain associated with intravenous (i.v.) cannulation in children. ⋯ Seventy percent N(2)O in O(2) given for three minutes was effective for reducing venipuncture pain in children.
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Letter Randomized Controlled Trial
A needle guide can facilitate visualization of needle passage in ultrasound-guided nerve blocks.