Voruganti D, Shantha G, Dugyala S, et al. - As data on atrial fibrillation-flutter (AF) hospitalizations after heart transplant (HT) are limited to single-center experiences, researchers used the National Inpatient Sample years 2000 to 2014 to perform an analysis of admissions for AF in HT patients. They identified a total of 211,961 HT related hospitalizations; of these, 1,304 (0.62%) (955 males, 349 females, mean age 59 years, median CHA₂DS₂Vasc score 2 [Interquartile range 1-3]) were admitted with a primary diagnosis AF. Mostly non-elective hospitalizations (80.17%) were reported. In-hospital mortality of 2.3% and the mean length of stay of 3.7 days were reported. Eighty-five percent of the patients who were discharged from the hospital were discharged to home with self-care. The most common secondary diagnoses were hypertension (57.9%), diabetes (33%), renal failure (31.3%), and congestive heart failure (22%). Thirty-seven percent of admissions underwent cardioversion and 11.2% underwent ablation. The adjusted median cost of hospitalization of $6478.7 (IQR $3561.8–$12352.3) was reported; during the study period, this cost did not change significantly. Among HT recipients, AF was identified as a relatively infrequent cause of hospitalization.