Takafumi Omori

ORCID: 0000-0002-1370-0706
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Research Areas
  • Gastric Cancer Management and Outcomes
  • Colorectal Cancer Screening and Detection
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Clostridium difficile and Clostridium perfringens research
  • Microscopic Colitis
  • Eosinophilic Esophagitis
  • Gastrointestinal disorders and treatments
  • Colorectal Cancer Surgical Treatments
  • Esophageal and GI Pathology
  • Gut microbiota and health
  • Esophageal Cancer Research and Treatment
  • Geological and Geophysical Studies
  • Radiomics and Machine Learning in Medical Imaging
  • Biochemical Analysis and Sensing Techniques
  • Diet and metabolism studies
  • Sports Dynamics and Biomechanics
  • Medical Device Sterilization and Disinfection
  • Gastroesophageal reflux and treatments
  • Autoimmune and Inflammatory Disorders
  • Gastrointestinal Tumor Research and Treatment
  • Inflammatory Bowel Disease
  • Mycobacterium research and diagnosis
  • Pacific and Southeast Asian Studies
  • Diet, Metabolism, and Disease
  • Cannabis and Cannabinoid Research

Fujita Health University
2012-2024

Kogakuin University
2011

Abstract Background Several study showed usefulness of microscopic capillaries, seen by magnifying narrow band imaging (NBI) endoscopy for predicting histopathology among superficial depressed or flat elevated gastric neoplasia (GN). Here we assessed the diagnostic efficacy NBI protruding/or polypoid lesions. Methods Using endoscopic pictures from 95 lesions (19 fundic gland polyps: FGP, 47 hyperplastic HP, and 29 GN), fine mucosal patterns were classified into four categories: small round,...

10.1186/1471-230x-12-17 article EN cc-by BMC Gastroenterology 2012-02-22

Extensive use of laxatives and incomplete excretion rates are problematic for colon capsule endoscopy (CCE). The aim the present study was to determine effectiveness castor oil as a booster.At four Japanese hospitals, 319 examinees undergoing CCE were enrolled retrospectively. Before after introduction oil, other preparation reagents unchanged.Of who underwent CCE, 152 167 took regimens with (between November 2013 June 2016) without October 2015 September 2017), respectively. Capsule within...

10.1111/den.13259 article EN Digestive Endoscopy 2018-08-13

Both genetic and epigenetic abnormalities play important roles in gastric cancer (GC) development. We investigated whether the molecular subtypes of by combining anomalies define its clinicopathological features prognosis. The CpG island methylator phenotype (CIMP), MLH1 methylation, TP53, KRAS mutation statuses were characterized 214 GCs relation to their based on CIMP TP53 hot spot status (R175, G245, R248, R273, R282) best predicted prognosis GC. These contained 120 CIMP-positive (CIMP+)...

10.1002/humu.23700 article EN Human Mutation 2018-12-21

In colorectal endoscopic submucosal dissection (ESD), post-ESD electrocoagulation syndrome (PECS) has been recognized as one of the major complications. There are no reports on relationships between ESD findings and PECS. This study aims to evaluate risk factors for PECS, including such muscularis propria exposure.We performed a retrospective cohort patients who underwent January 2017 December 2021 in Japan. The grade injury muscle layer caused by was categorized follows: Grade 0, exposure...

10.1111/jgh.16021 article EN Journal of Gastroenterology and Hepatology 2022-10-06

We determined the efficacy of fecal microbiota transplantation (FMT) and subsequent changes in short-chain fatty acid (SCFA) levels patients with ulcerative colitis (UC), Crohn's disease (CD), recurrent Clostridioides difficile infection (rCDI).A filtered solution Japanese donor feces was endoscopically administered. The FMT evaluated after 8 weeks using Mayo score, Disease Activity Index (CDAI), absence diarrhea stool toxin negativity active UC, CD, rCDI, respectively. For analysis, 16S...

10.20407/fmj.2020-021 article EN PubMed 2021-01-01

Taste is an important element in food preferences. Gastroesophageal reflux disease (GERD) related to lifestyles including eating habits. We aimed investigate the relationship between responses specific tastes and GERD.Altogether 280 patients 170 men with a mean age of 58.6 years were included study determine their liking for GERD using new self-administered questionnaire (responses various participants' sensitivity taste hot on frequency stomatitis). Another self-administrated was...

10.1111/1751-2980.12246 article EN Journal of Digestive Diseases 2015-03-12

Polyethylene glycol-electrolyte lavage solution plus ascorbic acid (PEG-ELS-Asc) has been recommended for colonoscopy, but little is known about the safety of PEG-ELS-Asc in patients with chronic kidney disease (CKD). The aim this study was to determine its and efficacy CKD patients. Blood urine samples prospectively collected before after same-day bowel preparation colonoscopy conventional volume PEG-ELS-Asc, vital signs adverse events within 30 days postcolonoscopy were analyzed consenting...

10.1155/2021/6696591 article EN cc-by Gastroenterology Research and Practice 2021-03-15

The aim of this study was to investigate the effect consuming small amounts beer or a nonalcoholic taste beverage (non-beer) on gastric emptying and polymorphisms in alcohol metabolism-related enzyme-encoding genes. Twenty male healthy volunteers were questioned regarding their consumption status, body measurement performed. genetic ADH1B (rs1229984, Arg47His) ALDH2 (rs671 Glu487Lys) analyzed. subjects consumed 150 mL non-beer once per week, followed by ingestion 200 kcal test nutrient...

10.2220/biomedres.37.305 article EN Biomedical Research 2016-01-01

The management of bleeding during endoscopic submucosal dissection (ESD) is critical and related to the procedure time. We collaborated on a new image enhancement algorithm with parameter optimization for clinical use being developed by FUJIFILM Co. processed white light data offline evaluate effectiveness this technology. This study aims usefulness technology.Eighteen video scenes points from five gastric ESDs were selected algorithm. time until point was found, visibility point, color...

10.1111/jgh.15975 article EN Journal of Gastroenterology and Hepatology 2022-08-10

Sound quality of impact sound becomes important in design golf club. In this paper, four simple experiment models produced to examine the vibrational characteristic clubs. First, results numerical analysis and are compared, effectiveness model is shown. Then, confirmed proposed method for estimating force. Finally, it examined influence that a structural change clubs give predictable by use three parameters.

10.1299/jsmedmc.2011._729-1_ article EN The Proceedings of the Dynamics & Design Conference 2011-01-01
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