No effect of doxapram during enflurane-nitrous oxide anesthesia. 1990

C J Jones, and B Dworacek, and J Rupreht, and J Kesecioglu, and R van Linschoten
A. H. Robins Co. Ltd., Crawley, West Sussex, UK.

Doxapram was administered to 50 spontaneously breathing patients receiving enflurane and nitrous oxide for surgical anesthesia. A similar group acted as control. Significant depression of ventilation did not occur in the control group of patients, nor did doxapram produce a reduction of end tidal CO2 concentrations. It is suggested that surgical stimulation and concomitant nitrous oxide administration reduced the ventilatory depressant effect of enflurane and that the effect of doxapram was attenuated by the actions of enflurane on the peripheral chemoreceptors.

UI MeSH Term Description Entries
D007262 Infusions, Intravenous The long-term (minutes to hours) administration of a fluid into the vein through venipuncture, either by letting the fluid flow by gravity or by pumping it. Drip Infusions,Intravenous Drip,Intravenous Infusions,Drip Infusion,Drip, Intravenous,Infusion, Drip,Infusion, Intravenous,Infusions, Drip,Intravenous Infusion
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009609 Nitrous Oxide Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream. Laughing Gas,Nitrogen Protoxide,Gas, Laughing,Oxide, Nitrous
D010313 Partial Pressure The pressure that would be exerted by one component of a mixture of gases if it were present alone in a container. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Partial Pressures,Pressure, Partial,Pressures, Partial
D012119 Respiration The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration ( Breathing
D002245 Carbon Dioxide A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals. Carbonic Anhydride,Anhydride, Carbonic,Dioxide, Carbon
D004315 Doxapram A central respiratory stimulant with a brief duration of action. (From Martindale, The Extra Pharmocopoeia, 30th ed, p1225) Docatone,Dopram,Doxapram Hydrochloride,Hydrochloride, Doxapram
D004737 Enflurane An extremely stable inhalation anesthetic that allows rapid adjustments of anesthesia depth with little change in pulse or respiratory rate. Alyrane,Enfran,Enlirane,Ethrane,Etran
D005260 Female Females

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