1. Effectiveness of tip rotation in fibreoptic bronchoscopy under different experimental conditions: an in vitro crossover study 
T. Piegeler, N.G. Clausen, M. Weiss 
British Journal of Anaesthesia 
Volume 119, Issue 6, Pages (December 2017)
DOI: /bja/aex322
Copyright © 2017 The Author(s) Terms and Conditions

2. Fig 1
Experimental set-up. (A) Fibreoptic bronchoscope inserted into laryngeal mask and manikin with straight cord and degree scale mounted on the 15 mm adapter. (B) Representative example of bend formation of fibreoptic bronchoscope during the corresponding experiments. (C) Representative image of the airway obtained during the experiments at 0° and after 45° anticlockwise rotation (D). Yellow lines indicate the angle of rotation measured during digital analysis of the picture using the ImageJ software.
British Journal of Anaesthesia  , DOI: ( /bja/aex322)
Copyright © 2017 The Author(s) Terms and Conditions

3. Fig 2
Ratio of rotation performed with the fibreoptic bronchoscope to rotation measured at the tip, presented as boxplots with median (horizontal line), interquartile range, and whiskers indicating minimum and maximum. Four different experimental conditions were tested at 45, 90, and 180° each: (i) straight cord, anticlockwise (ACW) turn (blue boxplots); (ii) bent cord, ACW turn (green boxplots); (iii) straight cord, clockwise (CW) turn (pink boxplots); and (iv) bent cord, CW turn (gold boxplots). (A) Olympus OD 2.2 mm, ‘body’ turn. (B) Olympus OD 2.2 mm, ‘cord’ turn. (C) Pentax OD 2.4 mm, ‘body’ turn. (D) Pentax OD 2.4 mm, ‘cord’ turn. (E) Pentax OD 3.5 mm, ‘body’ turn. (F) Pentax OD 3.5 mm, ‘cord’ turn. (G) Pentax OD 4.2 mm, ‘body’ turn. (H) Pentax OD 4.2 mm, ‘cord’ turn. (I) Pentax OD 5.2 mm, ‘body’ turn. (J) Pentax OD 5.2 mm, ‘cord’ turn. n=6 for each experiment. *P<0.05 for comparison as indicated.
British Journal of Anaesthesia  , DOI: ( /bja/aex322)
Copyright © 2017 The Author(s) Terms and Conditions

4. Fig 2
Ratio of rotation performed with the fibreoptic bronchoscope to rotation measured at the tip, presented as boxplots with median (horizontal line), interquartile range, and whiskers indicating minimum and maximum. Four different experimental conditions were tested at 45, 90, and 180° each: (i) straight cord, anticlockwise (ACW) turn (blue boxplots); (ii) bent cord, ACW turn (green boxplots); (iii) straight cord, clockwise (CW) turn (pink boxplots); and (iv) bent cord, CW turn (gold boxplots). (A) Olympus OD 2.2 mm, ‘body’ turn. (B) Olympus OD 2.2 mm, ‘cord’ turn. (C) Pentax OD 2.4 mm, ‘body’ turn. (D) Pentax OD 2.4 mm, ‘cord’ turn. (E) Pentax OD 3.5 mm, ‘body’ turn. (F) Pentax OD 3.5 mm, ‘cord’ turn. (G) Pentax OD 4.2 mm, ‘body’ turn. (H) Pentax OD 4.2 mm, ‘cord’ turn. (I) Pentax OD 5.2 mm, ‘body’ turn. (J) Pentax OD 5.2 mm, ‘cord’ turn. n=6 for each experiment. *P<0.05 for comparison as indicated.
British Journal of Anaesthesia  , DOI: ( /bja/aex322)
Copyright © 2017 The Author(s) Terms and Conditions