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D. M. Johnson, M. Aaron, R. B. Smith, P. Robert and M. A. Maktabi, “Endoscopic Study of Mechanisms of Failure of Endotracheal Tube Advancement into the Trachea during Awake Fiberoptic Orotracheal Intubation,” Anesthesiology, Vol. 102, No. 5, 2005, pp. 910-914. doi:10.1097/00000542-200505000-00008

has been cited by the following article:

• TITLE: A Randomized Comparison of a Parker Endotracheal Tube and a Standard Tube Oriented 90° Counterclockwise

  AUTHORS: Wade A. Weigel, Thomas C. Dean

  KEYWORDS: Endotracheal; Intubation; Parker; Mallinckrodt; Fiberoptic

  JOURNAL NAME: Open Journal of Anesthesiology, Vol.2 No.5, November 28, 2012

  ABSTRACT: Purpose: During oral fiberoptic intubation, advancement of an endotracheal tube (ETT) into the trachea is occasionally impeded by laryngeal structures. The curved flex tip Parker ETT has been shown to improve the likelihood of successful advancement as opposed to a standard ETT that is advanced in neutral orientation. However, a Parker tube has not been compared to a standard ETT oriented 90° counterclockwise from the neutral position. We hypothesize that fiber-optically-guided advancement of an ETT into the trachea will be more successful when using a Parker tube than a 90° counterclockwise-oriented standard ETT. Methods: This unblinded, randomized controlled trial compares the rate of successful advancement of a fiberoptically-guided endotracheal tube into the trachea. Two groups of randomly assigned patients with non-difficult airways are compared: a Parker flex-tip tube (Parker Group; n = 57) versus a standard ETT oriented 90° counterclockwise (Standard Group; n = 58). Our primary outcome is the first pass success rate of advanceing the ETT into the trachea. Results: First pass success occurred in 48 of 57 (84%) patients in the Parker Group vs. 39 of 58 (67%) of patients in the Standard Group (p = 0.0497). Conclusion: When advancing an ETT over an oral fiberoptic scope and into the trachea, a Parker curved flex tip ETT is statistically more likely to be placed successfully on the first pass than is a standard ETT oriented 90° counterclockwise.