Correlation of the Paediatric Tracheal Tube Size

Correlation of the Paediatric Tracheal Tube Size With the Known Formulas for the Calculation of the Size

In the context of the study a retrospective data collection of all anaesthesia protocols of children under the age of 12 which underwent surgery in the Charité - University Medicine Berlin, Campus Virchow - Klinikum in the years 2011 and 2012 shall be executed. The correlation of the tracheal tube sizes with the weight, age and height shall be evaluated. This data collection should serve to reevaluate the already published formulas e.g. (Rettberg M. et al., 2011).

Inclusion Criteria:

• Children under the age of 12 who underwent surgery in the Charité - University Medicine Berlin, Charité Campus Virchow - Klinikum in the years 2011/12

Exclusion Criteria:

• No endotracheal tube inserted