Yamamichi T, Oue T, Irie A, Inoue M, Takama Y, Nomura M, Yoneda A, Okuyama H, Usui N. Results of mass screening for neuroblastoma in 18-month-old infants in Osaka prefecture, Japan. Pediatr Surg Int 37(12) 1645-1649. 2021
Yamamichi T, Nishikawa M, Takayama K, Takase K, Kim K, Umeda S, Tayama A, Tsukada R, Nomura M, Okuyama H, Usui N. Computed tomography-guided marking using a dye staining method for preoperative localization of tiny pulmonary lesions in children. Pediatr Surg Int 37(9) 1265-1272. 2021
Umeda S, Takayama K, Takase K, Kim K, Yamamichi T, Tayama A, Usui N. Clinical factors related to undescended testis in infants with gastroschisis. Pediatric Int 64(1): e15054. 2021
Toyama C, Masahata K, Nara K, Soh H, Usui N. The risk factors for cholestasis in patients with duodenal atresia in a single institutional cohort. Pediatr Surg Int 37(7) 929-935. 2021
Hagiwara S, Maeyama T, Honma H, Soh H, Usui N, Etani Y. Intussusception caused by percutaneous endoscopic gastrostomy with jejunal extension in patients with severe motor and intellectual disabilities. JPGN Reports 2(3) p e-088 2021
Ito M,Terui K, Nagata K, Yamoto M, Shiraishi M, Okuyama H, Yoshida H, Urushihara N, Toyoshima K, Hayakawa M, Taguchi T, Usui N. Clinical guidelines for the treatment of congenital diaphragmatic hernia. Pediatric Int 63(4) 371-390. 2021
Terui K, Furukawa T, Nagata K, Hayakawa M, Okuyama H, Amari S, Yokoi A, Masumoto K, Yamoto M, Okazaki T, Inamura N, Toyoshima K, Uchida K, Okawada M, Sato Y, Usui N. Best pre-ductal PaO2 prior to extracorporeal membrane oxygenation as predictor of mortality in patients with congenital diaphragmatic hernia: A retrospective analysis of a Japanese database. Pediatr Surg Int 37(12) 1667-1673. 2021
Okawada M, Ohfuji S, Yamoto M, Urushihara N, Terui K, Nagata K, Taguchi T, Hayakawa M, Amari S, Masumoto K, Okazaki T, Inamura N, Toyoshima K, Inoue M, Furukawa T, Yokoi A, Kanamori Y, Usui N, Tazuke Y, Saka R, Okuyama H. Thoracoscopic repair of congenital diaphragmatic hernia in neonates: findings of a multicenter study in Japan. Surg Today 51(10) 1694-1702. 2021
Kawanishi Y, Endo M, Fujii M, Masuda T, Usui N, Nagata K, Hayakawa M, Terui K, Amari S, Masumoto K, Okazaki T, Inamura N, Urushihara N, Toyoshima K, Uchida K, Furukawa T, Okawada M, Yokoi A, Taguchi T, Okuyama H. Optimal timing of delivery for pregnancies with prenatally diagnosed congenital diaphragmatic hernia: a propensity-score analysis using the inverse probability of treatment weighting. J Perinatol 41(8) 1893-1900. 2021
Zenitani M, Tsukada R, Masahata K, Nakamura K, Takama Y, Umeda S, Soh H, Yoneda A, Yonekura T, Usui N, Oue T, Okuyama H. Safety and feasibility of laparoscopic resection of neuroblastoma without image-defined risk factors performed by pediatric surgical trainees: A multicenter comparison study. J Laparoendoscop Advance Surg Tech 31(8) 954-958. 2021
Masahata K, Ichikawa C, Higuchi K, Makino K, Abe T, Kim K, Yamamichi T, Tayama A, Soh H, Usui N. A rare case of growing teratoma syndrome occurred in a neonate with immature sacrococcygeal teratoma with lymph node metastasis. J Pediatr Hematol Oncol 43(8): e1186-e1190. 2021
Umeda S, Kimura K, Takama Y, Yamauchi K, Yonekura T. Laparoscopic retroperitoneal splenopexy for wandering spleen: A novel technique using a three-incision retroperitoneal pouch. Asian J Endosc Surg 14(3): 644-647. 2021
Fuyuki M, Usui N, Taguchi T, Hayakawa M, Masumoto K, Kanamori Y, Amari S, Yamoto M, Urushihara N, Inamura N, Yokoi A, Okawada M, Okazaki T, Toyoshima K, Furukawa T, Terui K, Ohfuji S, Tazuke Y, Uchida K, Okuyama H. Prognosis of conventional vs. high-frequency ventilation for congenital diaphragmatic hernia: A retrospective study. J Perinatol 41(4): 814-823. 2021
Yamoto M, Ohfuji S, Urushihara N, Terui K, Nagata K, Taguchi T, Hayakawa M, Amari S, Masumoto K, Okazaki T, Inamura N, Toyoshima K, Uchida K, Furukawa T, Okawada M, Yokoi A, Kanamori Y, Usui N, Tazuke Y, Saka R, Okuyama H. Optimal timing of surgery in infants with prenatally diagnosed isolated left-sided congenital diaphragmatic hernia: a multicenter, cohort study in Japan. Surg Today 51(6):880-890. 2021
Terui K, Tazuke Y, Nagata K, Ito M, Okuyama H, Hayakawa M, Taguchi T, Sato M, Usui N. Weight gain velocity and adequate amount of nutrition for infants with congenital diaphragmatic hernia. Pediatr Surg Int 37(2): 205-212. 2021
Yamamichi T, Takayama K, Umeda S, Usui N. Factors associated with neonatal surgical site infection after abdominal surgery. European Pediatric Surgeons' Association (EUPSA)(22) Athen, Greece, 2021.9.1-4
Yamamichi T, Oue T, Irie A, Inoue M, Takama Y, Nomura M, Yoneda A, Okuyama H, Usui N. Results of mass screeing for neuroblastoma in 18-month-old infants in Osaka, Japan. International Society of Pediatric Oncology (SIOP 2021) Online confernce, 2021.10.21-24