title: Polymicrobial Peritonitis with Lactococcus lactis in a Peritoneal Dialysis Patient.
abstract: Lactococcus lactis (L. lactis) is an important gram-positive bacterium in dairy products. It is a rare cause of opportunistic infections with only four cases of Lactococcus peritoneal dialysis (PD) peritonitis reported in the literature. In Korea, L. lactis infection was first reported in a liver abscess patient in 2010; however, PD peritonitis with Lactococcus has not been reported in Korea. Recently, we experienced a case of Lactococcus-associated polymicrobial PD peritonitis. The patient was initially managed with broad-coverage antibiotics; however, owing to a poor response, the PD catheter was removed and the patient was switched to hemodialysis. We discuss this case and review the literature.
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Jun Yong
authors.initials: JY
authors.lastname: Lee
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Min Young
authors.initials: MY
authors.lastname: Seo
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Jihyun
authors.initials: J
authors.lastname: Yang
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Kitae
authors.initials: K
authors.lastname: Kim
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Hyojeong
authors.initials: H
authors.lastname: Chang
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Sun Chul
authors.initials: SC
authors.lastname: Kim
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Myung-Gyu
authors.initials: MG
authors.lastname: Kim
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Sang-Kyung
authors.initials: SK
authors.lastname: Jo
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Wonyong
authors.initials: W
authors.lastname: Cho
authors.affiliation: Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea.
authors.forename: Hyoung Kyu
authors.initials: HK
authors.lastname: Kim
keywords: Lactococcus lactis; Peritoneal Dialysis; Peritonitis