Clinical Outcome and Safety of Procedural Sedation and Analgesia Performed by Interventional Radiologists in Patients Undergoing Local Tumor Ablation of the Liver.

Peri-interventional arrhythmias occurred during 4 procedures (0.4%).

One patient (0.09%) experienced severe hypoxemia requiring brief cardiopulmonary resuscitation with return of spontaneous circulation, intubation and ICU-admission.

Multivariable regression showed no significant correlations of procedural conscious sedation and analgesia-related complications with age, sex, BMI, Association of Anesthesiologists, chronic obstructive pulmonary disease (chronic obstructive pulmonary disease), liver cirrhosis or medication doses but a significant correlation of obstructive sleep apnea syndrome (obstructive sleep apnea syndrome).