title: An alternative method of endotracheal intubation of common marmosets (Callithrix jacchus).
abstract: Endotracheal intubation was carried out in 11 common marmosets (Callithrix jacchus). A commercially available tilting stand and a Miller laryngoscope blade were used to visualize the larynx. Anaesthesia was induced with alphaxalone (10.6 ± 1.6 mg/kg intramuscularly, followed by 3.2 ± 1.2 mg/kg intravenously). The diameter of the proximal trachea easily fitted an endotracheal tube made from readily available material (a 12 G 'over the needle' catheter). Once the tip of the endotracheal tube was at the level of the vocal folds, the tube had to be gently rotated through a 180° angle in order to pass through the larynx into the trachea. Assessment of the dimensions of the larynx and trachea, and comparison with external anatomical features of the animals (n = 10) showed that the length of the trachea could be predicted by multiplying the craniosacral length of the marmoset by a factor of 0.42.
authors: Institute of Neuroscience and Comparative Biology Centre, Medical School, Newcastle University, Framlington Place, Newcastle upon Tyne NE2 4HH, UK. aurelie.thomas@ncl.ac.uk
authors: A A
authors: AA
authors: Thomas
authors: M C
authors: MC
authors: Leach
authors: P A
authors: PA
authors: Flecknell
mesh_terms: D000777:Anesthetics / Q000008:administration & dosage; D000818:Animals; D002144:Callithrix / Q000033:anatomy & histology / Q000601:surgery*; D007273:Injections, Intramuscular; D007275:Injections, Intravenous; D007442:Intubation, Intratracheal / Q000295:instrumentation / Q000379:methods*; D020704:Laryngoscopes; D007830:Larynx / Q000033:anatomy & histology; D011277:Pregnanediones / Q000008:administration & dosage; D014132:Trachea / Q000033:anatomy & histology
chemical_list: D000777:Anesthetics; D011277:Pregnanediones; C006477:alphaxalone