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The efficacy of premixed nitrous oxide and oxygen for fiberoptic bronchoscopy in pediatric patients: a randomized, double-blind, controlled study. 2004

Brigitte Fauroux, and Peter Onody, and Olivier Gall, and Barbara Tourniaire, and Serge Koscielny, and Annick Clément
Service de Pneumologie Pédiatrique et INSERM 213, Hôpital d'Enfants Armand Trousseau, Paris, France. brigitte.fauroux@trs.ap-hop-paris.fr

OBJECTIVE s: The aim of the study was to evaluate the efficacy and safety of premixed 50% nitrous oxide and oxygen on the quality of sedation and pain control during fiberoptic bronchoscopy (FB) in children. METHODS A prospective, randomized, double-blind study. METHODS Pediatric pulmonary department in a pediatric tertiary university hospital. METHODS One hundred five children aged 1 month to 18 years. METHODS Patients inhaled after sedation and local anesthesia either premixed 50% nitrous oxide and oxygen (nitrous oxide group) or premixed 50% nitrogen and oxygen (control group) during FB. RESULTS The rate of failure was significantly greater in the control group (62%) than in the nitrous oxide group (21%, p = 0.00003). The efficacy of premixed 50% nitrous oxide and oxygen was also demonstrated with higher satisfaction scores (p = 0.000001), lower Children's Hospital of Eastern Ontario Pain Scores (p = 0.002), better visual analog scale ratings (p = 0.03), and improved behavior scores. Side effects were minor and similar in both groups. CONCLUSIONS This study demonstrates the improved efficacy of sedation, pain control, and safety of premixed 50% nitrous oxide and oxygen for FB in children.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D009584 Nitrogen An element with the atomic symbol N, atomic number 7, and atomic weight [14.00643; 14.00728]. Nitrogen exists as a diatomic gas and makes up about 78% of the earth's atmosphere by volume. It is a constituent of proteins and nucleic acids and found in all living cells.
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
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D010146 Pain An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS. Suffering, Physical,Ache,Pain, Burning,Pain, Crushing,Pain, Migratory,Pain, Radiating,Pain, Splitting,Aches,Burning Pain,Burning Pains,Crushing Pain,Crushing Pains,Migratory Pain,Migratory Pains,Pains, Burning,Pains, Crushing,Pains, Migratory,Pains, Radiating,Pains, Splitting,Physical Suffering,Physical Sufferings,Radiating Pain,Radiating Pains,Splitting Pain,Splitting Pains,Sufferings, Physical
D001999 Bronchoscopy Endoscopic examination, therapy or surgery of the bronchi. Bronchoscopic Surgical Procedures,Surgical Procedures, Bronchoscopic,Bronchoscopic Surgery,Surgery, Bronchoscopic,Bronchoscopic Surgeries,Bronchoscopic Surgical Procedure,Bronchoscopies,Surgeries, Bronchoscopic,Surgical Procedure, Bronchoscopic
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked

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