Tracheobronchopathia osteochondroplastica and difficult intubation: case report and perioperative recommendations for anesthesiologists.

Tracheobronchopathia osteochondroplastica is a rare disorder characterized by cartilaginous or ossified submucosal nodules that project into the tracheobronchial lumen. It is typically discovered in the evaluation of chronic upper respiratory symptoms. A case of a completely asymptomatic man diagnosed with extensive disease throughout his upper airway after unanticipated difficult endotracheal intubation for elective surgery, is presented.

Fatal aspiration pneumonia during transition from donepezil to rivastigmine.

Objective: To report a case of fatal aspiration pneumonia in a patient shortly after initiation of rivastigmine and discontinuation of donepezil, with no washout period between therapies.

Case Summary: An 83-year-old white man presented to the emergency department in respiratory distress (O2 saturation 70%; RR 44 breaths/min) secondary to aspiration. He had started rivastigmine 1.