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Background: Pneumothorax (PTX) is a known complication of cardiac implantable electronic device (CIED) procedures. Our study describes characteristics and clinical predictors of patients who developed PTX after a CIED procedure.

Methods: We reviewed the National Inpatient Sample database for patients who underwent a CIED procedure during their hospital admission. We described clinical predictors associated with the occurrence of PTX in these patients.

Results: We identified 871,551 patients with a CIED procedure between 1998 and 2013: 65.7% received a permanent pacemaker (n= 572,937), 20.5% received an automatic implantable cardioverter defibrillator (n= 178,462), 10.4% received cardiac resynchronization therapy (n= 90,898) and 3.5% had lead revision/addition (n= 30,767). Of these, 11,659 (1.3%) had a PTX. The mean age of the total population was 73.1±12.8 years and 42.7% were female …