Masaki Nio

ORCID: 0000-0002-5862-1067
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About
Contact & Profiles
Research Areas
  • Pediatric Hepatobiliary Diseases and Treatments
  • Gallbladder and Bile Duct Disorders
  • Congenital Anomalies and Fetal Surgery
  • Intestinal Malrotation and Obstruction Disorders
  • Organ Transplantation Techniques and Outcomes
  • Clinical Nutrition and Gastroenterology
  • Esophageal and GI Pathology
  • Neonatal Health and Biochemistry
  • Congenital gastrointestinal and neural anomalies
  • Tracheal and airway disorders
  • Gastrointestinal disorders and treatments
  • Gastroesophageal reflux and treatments
  • Liver Disease and Transplantation
  • Congenital Diaphragmatic Hernia Studies
  • Neuroblastoma Research and Treatments
  • Drug Transport and Resistance Mechanisms
  • Pelvic floor disorders treatments
  • Organ and Tissue Transplantation Research
  • Pancreatitis Pathology and Treatment
  • Pancreatic and Hepatic Oncology Research
  • Neurofibromatosis and Schwannoma Cases
  • T-cell and B-cell Immunology
  • Tumors and Oncological Cases
  • Immune Cell Function and Interaction
  • Urological Disorders and Treatments

Japanese Urological Association
2024

KKR Tohoku Kosai Hospital
2021-2024

Tohoku University
2015-2024

East Asia School of Theology
2021

Ministry of Health Labour and Welfare
2018

Tohoku University Hospital
2017

The Japanese Society of Gastroenterological Surgery
2011

Miyagi Children's Hospital
2004-2008

Mochida Pharmaceutical (Japan)
2003

Tokyo Metropolitan Kiyose Children's Hospital
2003

Congenital hyperinsulinism is a rare condition, and following recent advances in diagnosis treatment, it was considered necessary to formulate evidence-based clinical practice guidelines reflecting the most progress, guide of neonatologists, pediatric endocrinologists, general pediatricians, surgeons. These cover range aspects, including features congenital hyperinsulinism, diagnostic criteria tools for diagnosis, first- second-line medical details surgical future perspectives. were...

10.1297/cpe.26.127 article EN Clinical Pediatric Endocrinology 2017-01-01

Biliary atresia (BA) is among the commonest indications for liver transplantation (LT) in children. We examined whether serum matrix metalloproteinase-7 (MMP-7) useful diagnosis of BA Japanese infants, and MMP-7 concentrations before after Kasai portoenterostomy (KP) predicted LT within a year.Subjects under 6 months old at eight pediatric centers Japan were enrolled retrospectively, including patients with cholestasis normal controls (NC) without disease. Patients divided into groups...

10.1111/hepr.13753 article EN Hepatology Research 2022-02-02

Age-related morphologic development of human adrenal zona reticularis (ZR) has not been well examined. Therefore, in this study, 44 young autopsy specimens retrieved from large archival files ( n =252) were examined for immunohistochemical and morphometric analyses. Results demonstrated that ZR became discernible around 4 years age, both thickness ratio per total cortex increased an age-dependent fashion thereafter, although there was no significant increment developing cortex. We further...

10.1677/joe-09-0127 article EN Journal of Endocrinology 2009-09-01

There are discrepancies regarding the clinical impact of age at Kasai portoenterostomy (KP) on surgical outcomes. Hence, we re-assessed significance KP. We analyzed 224 patients with type III (atresia bile duct porta hepatis) biliary atresia Tohoku University Hospital. classified into two groups: KP ≤60 days (group TE) and >60 TL). Group TE was subdivided three groups (TE1, TE2, TE3) according to time surgery. Subsequently, 2,643 in Japanese Biliary Atresia Registry were similarly....

10.1002/hep4.1615 article EN cc-by-nc-nd Hepatology Communications 2020-11-09

Abstract Background Despite the presence of ganglion cells in rectum, some patients have symptoms similar to those Hirschsprung's disease. A consensus has yet be established regarding terminology for these diseases. We defined this group diseases as “allied disorders disease” and compiled guidelines facilitate accurate clinician diagnosis provide appropriate treatment strategies each Methods These were developed using methodologies Medical Information Network Distribution System ( MINDS )....

10.1111/ped.13559 article EN Pediatrics International 2018-05-01

Abstract Background Multicenter study was undertaken to analyze the results of laparoscopic and open Kasai portoenterostomy. Methods Subjects were infants with type III biliary atresia who underwent operation ( n = 106) or 21) between January 2012 December 2015. Clinical data compared operations (2016‐0534). Propensity score matching performed reduce effect treatment selection bias. Multivariate analyses used estimate surgical approach on jaundice clearance rate native liver survival rate....

10.1002/jhbp.594 article EN Journal of Hepato-Biliary-Pancreatic Sciences 2018-11-29
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