Unexpected tracheal web encountered during difficult intubation in the operating room.

A 60-year-old woman was prepared for revision of a previous anterior lumbar interbody fusion. After induction of anesthesia, three attempts to pass decreasing sizes of endotracheal tubes remained unsuccessful. An LMA Fastrach was inserted to maintain ventilation.

Patient state index during a cardiac arrest in the operating room.

A 53-yr-old man undergoing laparoscopic cholecystectomy experienced cardiac arrest intraoperatively. Patient state index values decreased to single digits during the cardiac arrest and returned to baseline after successful cardiopulmonary resuscitation.