Does laryngoscopic view after intubation predict laryngoscopic view before intubation?

Study Objective: To determine if an endotracheal (ET) tube will distort the laryngeal view obtained with direct laryngoscopy measuring with the modified Cormack-Lehane scale (MCL).

Design: Observational single-arm study.

Setting: The University of Calgary teaching hospitals.

Drinking 300 mL of clear fluid two hours before surgery has no effect on gastric fluid volume and pH in fasting and non-fasting obese patients.

Purpose: To determine whether, in obese [body mass index (BMI) > 30 kg.m(2)] patients, oral intake of 300 mL clear liquid two hours before elective surgery affects the volume and pH of gastric contents at induction of anesthesia.

Methods: A single-blind, randomized study of 126 adult patients, age > or = 18 yr, ASA physical status I or II, BMI > 30 kg.

Laryngoscopic intubation: learning and performance.

Background: Many healthcare professionals are trained in direct laryngoscopic tracheal intubation (LEI), which is a potentially lifesaving procedure. This study attempts to determine the number of successful LEI exposures required during training to assure competent performance, with special emphasis on defining competence itself.

Methods: Analyses were based on a longitudinal study of novices under training conditions in the operating room.