Pediatrics International (2015) 57, 494–497

doi: 10.1111/ped.12651

Brief Report

Current incidence of clinical kernicterus in preterm infants in Japan Ichiro Morioka,1,13 Hajime Nakamura,1,13 Tsubasa Koda,1,13 Tomoyuki Yokota,1,13 Hitoshi Okada,2,13 Yoshinori Katayama,3,13 Tetsuya Kunikata,4,13 Masatoshi Kondo,5,13 Makoto Nakamura,6,13 Shigeharu Hosono,7,13 Saneyuki Yasuda,2,13 Naoki Yokoyama,8,13 Hiroshi Wada,9,13 Susumu Itoh,2,13 Masahisa Funato,9,13 Yoshitada Yamauchi,10,13 Yong Kye Lee11,13 and Masahiko Yonetani12,13 1 Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, 2Department of Pediatrics, Faculty of Medicine, Kagawa University, Kagawa, 3Department of Pediatrics, Takatsuki General Hospital, Takatsuki, 4Department of Pediatrics, Saitama Medical University, Saitama, 5Department of Neonatology, Tokyo Metropolitan Children’s Medical Center, Tokyo, 6 Department of Neonatology, Okayama Medical Center, Okayama, 7Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, 8Department of Pediatrics, Akashi Medical Center, Akashi, 9Osaka Developmental Rehabilitation Center, Osaka, 10Kibi International University, Takahashi, 11Aijinkai Rehabilitation Hospital, Takatsuki, 12Department of Pediatrics, Kakogawa West Municipal Hospital, Kakogawa and 13Japan Neonatal Jaundice Study Group, Japan Abstract

Clinical kernicterus in preterm infants has recently been reported in Japan, diagnosed on the basis of clinical findings during the neonatal and infancy periods. We investigated the incidence of clinical kernicterus in preterm infants