Prevalence of Right- and Left-Sided Endocarditis Among Intravenous Drug Use Patients at a Large Academic Medical Center.

was the most common organism involved. Patients with evidence of left-sided disease were found to have significantly more PFO, needed more inpatient valvular surgeries, and had higher all-cause mortality. Further studies are needed to assess if PFO or ASD can increase the risk of acquiring left-sided endocarditis in IVDU.