Publications by authors named "Hideomi Tomida"

Allergic diseases and ulcerative colitis (UC) share pathophysiological similarities. This study aimed to investigate the unclear association between allergic diseases and mucosal healing (MH), an important factor in the prognosis of UC. We studied 289 Japanese patients with UC.

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A modified double-layered suturing procedure (origami method; OGM) can achieve robust closure, even for large mucosal defects, by folding the muscle layer using through-the-scope clips. This study aimed to evaluate the feasibility of OGM in duodenal endoscopic submucosal dissection (ESD).This retrospective, observational study was conducted at a tertiary care hospital.

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Article Synopsis
  • Nocturia, or frequent nighttime urination, is a common symptom in patients with lower urinary tract syndrome (LUTS), and its link to ulcerative colitis (UC) has not been widely studied.
  • A study was conducted with 287 Japanese UC patients, who were categorized based on their nighttime urination frequency and evaluated for mucosal healing (MH) and clinical remission (CR) using survey data.
  • Results indicated that higher frequencies of nighttime urination are associated with lower rates of mucosal healing, particularly in younger patients and those in clinical remission, suggesting that nocturia could be a potential indicator of disease status in UC patients.
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Socioeconomic status is a risk factor for poor disease prognosis. No studies of patients with ulcerative colitis (UC) have investigated the association between socioeconomic status and erectile dysfunction (ED), although UC is independently positively associated with ED. Therefore, the purpose of this survey to evaluate this issue in Japanese patients with UC.

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Introduction: We investigated the factors associated with synchronous multiple early gastric cancers and determined their localization.

Methods: We analyzed 8,191 patients who underwent endoscopic submucosal dissection for early gastric cancers at 33 hospitals in Japan from November 2013 to October 2016. Background factors were compared between single-lesion (n = 7,221) and synchronous multi-lesion cases (n = 970) using univariate and multivariate analyses.

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Double-stranded RNA-activated protein kinase R (PKR) is highly expressed in colorectal cancer (CRC). However, the role of PKR in CRC remains unclear. The aim of this study was to clarify whether C16 (a PKR inhibitor) exhibits antitumor effects and to identify its target pathway in CRC.

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Background: Constipation is a common gastrointestinal symptom in patients with ulcerative colitis (UC). Several studies on the general population have demonstrated a link between allergic diseases and constipation. However, evidence regarding the association between allergic diseases and constipation in UC is limited.

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The association between ulcerative colitis (UC) and erectile dysfunction (ED) has been previously reported. Numerous previous studies have also reported an association between gastrointestinal symptoms and ED. Constipation and diarrhea are common in patients with UC.

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Age is a risk factor for constipation. Constipation is common in patients with ulcerative colitis (UC) and has been positively associated with disease activity, but evidence is limited. This study aimed to assess the association between disease activity and constipation in patients with UC.

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Objective: Recently, a close association between ulcerative colitis (UC) and erectile dysfunction (ED) was reported. An inverse relationship between serum albumin and ED is found in patients with chronic disease. However, the association between serum albumin levels and ED in patients with UC is unclear.

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Objective: To investigate the association between nocturia and constipation in patients with ulcerative colitis (UC). Constipation has recently been recognized as an important symptom in patients with UC. Although nocturia has been associated with constipation in the general population, the association between nocturia and constipation in UC patients is uncertain.

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Background: The association between disease activity and erectile dysfunction (ED) in patients with inflammatory bowel disease (IBD) is inconsistent, although IBD, including ulcerative colitis (UC), is reported as a risk factor for ED.

Aim: The purpose of this study was to explore this association in Japanese patients with UC.

Methods: In this study, we enrolled 165 Japanese male patients with UC.

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Article Synopsis
  • The study investigates the impact of antiplatelet agents (APAs) on post-endoscopic submucosal dissection (ESD) bleeding risks in early gastric cancer (EGC) patients, focusing on thienopyridine and cilostazol users.
  • A total of 9,736 patients were analyzed, revealing that aspirin continuation significantly increased bleeding risk, while other groups (thienopyridine and cilostazol) did not show significant associations with post-ESD bleeding.
  • The findings suggest that substituting thienopyridine with aspirin or cilostazol can lower bleeding risks while effectively managing thromboembolism for EGC patients undergoing ESD.
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Introduction: Recent meta-analysis showed that ulcerative colitis (UC) is a risk factor for cardiovascular disease (CVD). Dyslipidemia is a well-established risk factor for CVD. However, evidence regarding inflammatory bowel disease (IBD), including UC and lipid profiles, is limited.

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The incidence of inflammatory bowel disease (IBD) is increasing; hence, effective treatments are warranted. The therapeutic effect of human carbonic anhydrase I (hCA I) in IBD remains unknown. Therefore, we investigated whether oral tolerization to hCA I would induce antigen-specific protection from intestinal inflammation in vivo.

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Objective: Socioeconomic status is a risk factor for worse outcomes in many diseases. However, evidence on the association between socioeconomic status and clinical outcome in patients with ulcerative colitis (UC) is limited. In the clinical setting, the therapeutic goal for UC is to achieve mucosal healing (MH).

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Introduction: Few studies have focused on bleeding following endoscopic submucosal dissection (ESD) in surgically altered stomach. We aimed to reveal the bleeding risk in surgically altered stomach following ESD for early gastric cancer (EGC).

Methods: We enrolled patients with ESD for EGC at 33 institutions between 2013 and 2016.

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Restless legs syndrome (RLS) is a common sleep disorder in the Western population. The prevalence of restless legs syndrome in the Japanese population is 4.6%.

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Purpose: The albumin to globulin ratio (AGR) is a recognized chronic inflammation marker. No evidence regarding the relationship between AGR level and ulcerative colitis (UC) exists. The aim of this study was to evaluate the association between AGR and clinical outcomes among Japanese subjects with UC.

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Article Synopsis
  • The study investigates post-endoscopic submucosal dissection (ESD) bleeding in early gastric cancer patients, focusing on the role of gastric mucosal atrophy and Helicobacter pylori infection.
  • It analyzed 8,170 patients across 33 hospitals in Japan, revealing that nonsevere gastric mucosal atrophy posed a bleeding risk for H. pylori-negative patients but not for those who were H. pylori-positive.
  • The findings suggest that the use of antithrombotic drugs influences bleeding risk, particularly in patients without H. pylori infection.
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  • A study evaluated the link between the C-reactive protein (CRP)-albumin ratio (CAR) and clinical outcomes in 273 Japanese patients with ulcerative colitis (UC), focusing on remission and mucosal healing.
  • Results showed that high CAR is significantly associated with moderate to severe endoscopic activity, particularly in patients who have had UC for more than 7 years.
  • However, CAR did not show a connection with clinical remission or mucosal healing overall, suggesting it may be a useful marker for disease activity in long-term UC patients.
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Background: Epidemiological evidence on the association between physical activity (PA) and ulcerative colitis (UC) is limited, and the effect of PA on the prognosis of UC is currently unknown. We evaluated the association between PA and clinical outcomes, including clinical remission and mucosal healing (MH), in Japanese patients with UC.

Methods: The study subjects were 327 Japanese patients with UC.

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Introduction: Monocytes play an important role in innate immunity. Some epidemiological evidence indicates an association between peripheral blood monocytes and ulcerative colitis (UC). The association between peripheral blood monocytes and mucosal healing (MH), however, remains unclear.

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