1.Glycemic Control Is Associated with Histological Findings of Nonalcoholic Fatty Liver Disease
Teruki MIYAKE ; Shinya FURUKAWA ; Bunzo MATSUURA ; Osamu YOSHIDA ; Masumi MIYAZAKI ; Akihito SHIOMI ; Ayumi KANAMOTO ; Hironobu NAKAGUCHI ; Yoshiko NAKAMURA ; Yusuke IMAI ; Mitsuhito KOIZUMI ; Takao WATANABE ; Yasunori YAMAMOTO ; Yohei KOIZUMI ; Yoshio TOKUMOTO ; Masashi HIROOKA ; Teru KUMAGI ; Eiji TAKESITA ; Yoshio IKEDA ; Masanori ABE ; Yoichi HIASA
Diabetes & Metabolism Journal 2024;48(3):440-448
		                        		
		                        			 Background:
		                        			Poor lifestyle habits may worsen nonalcoholic fatty liver disease (NAFLD), with progression to nonalcoholic steatohepatitis (NASH) and cirrhosis. This study investigated the association between glycemic control status and hepatic histological findings to elucidate the effect of glycemic control on NAFLD. 
		                        		
		                        			Methods:
		                        			This observational study included 331 patients diagnosed with NAFLD by liver biopsy. Effects of the glycemic control status on histological findings of NAFLD were evaluated by comparing the following four glycemic status groups defined by the glycosylated hemoglobin (HbA1c) level at the time of NAFLD diagnosis: ≤5.4%, 5.5%–6.4%, 6.5%–7.4%, and ≥7.5%. 
		                        		
		                        			Results:
		                        			Compared with the lowest HbA1c group (≤5.4%), the higher HbA1c groups (5.5%–6.4%, 6.5%–7.4%, and ≥7.5%) were associated with advanced liver fibrosis and high NAFLD activity score (NAS). On multivariate analysis, an HbA1c level of 6.5%– 7.4% group was significantly associated with advanced fibrosis compared with the lowest HbA1c group after adjusting for age, sex, hemoglobin, alanine aminotransferase, and creatinine levels. When further controlling for body mass index and uric acid, total cholesterol, and triglyceride levels, the higher HbA1c groups were significantly associated with advanced fibrosis compared with the lowest HbA1c group. On the other hand, compared with the lowest HbA1c group, the higher HbA1c groups were also associated with a high NAS in both multivariate analyses. 
		                        		
		                        			Conclusion
		                        			Glycemic control is associated with NAFLD exacerbation, with even a mild deterioration in glycemic control, especially a HbA1c level of 6.5%–7.4%, contributing to NAFLD progression. 
		                        		
		                        		
		                        		
		                        	
2.Multimorbidity of Allergic Diseases Is Associated With Functional Gastrointestinal Disorders in a Young Japanese Population
Yasunori YAMAMOTO ; Shinya FURUKAWA ; Teruki MIYAKE ; Junichi WATANABE ; Yukihiro NAKAMURA ; Yoshihiro TAGUCHI ; Tetsuya YAMAMOTO ; Aki KATO ; Katsunori KUSUMOTO ; Osamu YOSHIDA ; Eiji TAKESHITA ; Yoshio IKEDA ; Naofumi YAMAMOTO ; Yuka SAEKI ; Osamu YAMAGUCHI ; Yoichi HIASA
Journal of Neurogastroenterology and Motility 2024;30(2):229-235
		                        		
		                        			 Background/Aims:
		                        			Although certain allergic diseases have been reported to be associated with the prevalence of functional dyspepsia (FD) and irritable bowel syndrome (IBS), it is unclear whether the presence of multiple allergic diseases further increases the prevalence of FD and IBS.The aim of this study is to determine this issue in young people. 
		                        		
		                        			Methods:
		                        			A cohort of 8923 Japanese university students was enrolled and diagnoses of FD and IBS were confirmed using Rome III criteria.Allergic disorders diagnosed at medical institutions were obtained by means of a self-administered questionnaire. 
		                        		
		                        			Results:
		                        			The prevalence of FD, IBS, and their overlap was found to be 1.9%, 6.5%, and 1.1%, respectively. Pollen allergy was independently positively correlated with FD, IBS, and overlap of FD and IBS. Allergic rhinitis was positively linked to IBS. Drug allergy was positively associated with FD. The presence of multiple allergic diseases was positively correlated with FD and IBS (FD: adjusted OR for 2 allergic diseases: 1.95 [95% CI, 1.24-2.98], P for trend = 0.003; and IBS: adjusted OR for 1 allergic disease: 1.40 [95% CI, 1.15-1.69], 2 allergic diseases 1.47 [95% CI, 1.12-1.91], and 3 or more allergic diseases: 2.22 [95% CI, 1.45-3.28], P for trend = 0.001). Additionally, the concomitant existence of multiple allergic diseases was also demonstrated to have a trend that correlated with the overlap of FD and IBS (P for trend = 0.018). 
		                        		
		                        			Conclusion
		                        			Allergic disease multimorbidity is positively correlated with the prevalence of FD and IBS in a young population. 
		                        		
		                        		
		                        		
		                        	
3.The albumin to globulin ratio is associated with clinical outcome in Japanese patients with ulcerative colitis
Sen YAGI ; Shinya FURUKAWA ; Kana SHIRAISHI ; Teruki MIYAKE ; Kazuhiro TANGE ; Yu HASHIMOTO ; Shogo KITAHATA ; Tomoe KAWAMURA ; Tomoyuki NINOMIYA ; Kenichirou MORI ; Seiyuu SUZUKI ; Naozumi SHIBATA ; Hidehiro MURAKAMI ; Katsuhisa OHASHI ; Aki HASEBE ; Hideomi TOMIDA ; Yasunori YAMAMOTO ; Eiji TAKESHITA ; Yoshio IKEDA ; Yoichi HIASA
Annals of Coloproctology 2023;39(2):155-163
		                        		
		                        			 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. 
		                        		
		                        			Methods:
		                        			The study subjects consisted of 273 Japanese individuals with UC. AGR was divided into 4 categories (low, moderate, high, and very high). The definition of complete mucosal healing (MH) was based on the Mayo endoscopic subscore of 0. Clinical remission (CR) was defined as no rectal bleeding and no abnormally high stool frequency (<3 times per day). 
		                        		
		                        			Results:
		                        			The percentage of MH was 26.4%. High AGR and very high AGR were significantly positively correlated with CR (adjusted odds ratio [OR], 5.85; 95% confidence interval [CI], 2.52–14.18 and adjusted OR, 4.97; 95% CI, 2.14–12.04) and complete MH (adjusted OR, 4.03; 95% CI, 1.56–11.51 and adjusted OR, 5.22; 95% CI, 1.97–14.89), respectively after adjustment for confounding factors (P for trend=0.001). Only in the low C-reactive protein (CRP) group (≤0.1 mg/dL), very high AGR was significantly positively correlated with complete MH but not CR (adjusted OR, 4.38; 95% CI, 1.06–21.77; P for trend=0.017). In the high CRP group, no correlation between AGR and complete MH was found. 
		                        		
		                        			Conclusion
		                        			Among Japanese patients with UC, AGR may be independently positively correlated with complete MH. In particular, among UC patients with low CRP, AGR might be a useful complementary marker for complete MH. 
		                        		
		                        		
		                        		
		                        	
4.Association Between Eating Behavior, Frequency of Meals, and Functional Dyspepsia in Young Japanese Population
Yasunori YAMAMOTO ; Shinya FURUKAWA ; Junichi WATANABE ; Aki KATO ; Katsunori KUSUMOTO ; Teruki MIYAKE ; Eiji TAKESHITA ; Yoshio IKEDA ; Naofumi YAMAMOTO ; Katsuhiko KOHARA ; Syuichi SAHEKI ; Yuka SAEKI ; Yoichi HIASA
Journal of Neurogastroenterology and Motility 2022;28(3):418-423
		                        		
		                        			 Background/Aims:
		                        			Functional dyspepsia (FD) may be a common digestive disease worldwide and reduces the quality of life of patients. However, only a few studies have investigated the association between eating behavior and FD. The purpose of this cross-sectional study is to examine the association between eating behavior and prevalence of FD in a young Japanese cohort. 
		                        		
		                        			Methods:
		                        			In this study, we enrolled 8923 Japanese university students. FD is diagnosed based on the Rome III criteria. Eating habits and frequency of meals were investigated using a self-administered questionnaire. 
		                        		
		                        			Results:
		                        			The FD subjects had a younger mean age, a lower body mass index, and a lower proportion of men compared to the non-FD subjects.An independent positive association between skipping breakfast and/or lunch and FD was found (adjusted ORs were 1.60 [95% CI, 1.10-2.32] for breakfast and 2.52 [95% CI, 1.04-5.18] for lunch). Skipping dinner, extra meals (snacks) or midnight snacks was not associated with FD. The prevalence of FD in subjects eating 1, 2, and 3 meals per day was 4.8%, 2.2%, and 1.7%, respectively. The frequency of meals was independently inversely associated with prevalence of FD (adjusted ORs were 1 per day: 2.72 [95% CI, 1.19-5.42], and 2 per day: 1.69 [95% CI, 1.16-2.43], P for trend = 0.001). 
		                        		
		                        			Conclusions
		                        			In the young Japanese people, the frequency of meals may be independently inversely associated with prevalence of FD. In particular, skipping breakfast and/or lunch was associated with the prevalence of FD. 
		                        		
		                        		
		                        		
		                        	
5.Psychological Predictors of Satisfaction after Lumbar Surgery for Lumbar Spinal Stenosis
Yoshio YAMAMOTO ; Mamoru KAWAKAMI ; Masakazu MINETAMA ; Masafumi NAKAGAWA ; Masatoshi TERAGUCHI ; Ryohei KAGOTANI ; Yoshimasa MERA ; Tadashi SUMIYA ; Sachika MATSUO ; Tomoko KITANO ; Yukihiro NAKAGAWA
Asian Spine Journal 2022;16(2):270-278
		                        		
		                        			 Methods:
		                        			LSS patients who underwent decompression surgery with or without fusion were included. Clinical outcomes were measured before surgery and 6 months postoperatively using the Zurich Claudication Questionnaire (ZCQ); Visual Analog Scale (VAS) of low back pain, leg pain, and leg numbness; Japanese Orthopaedic Association Back Pain Evaluation Questionnaire; and the Medical Outcomes Study 36-item Short-Form General Health Survey (SF-36). The Hospital Anxiety and Depression Scale (HADS), Pain Catastrophizing Scale, and Pain Anxiety Symptoms Scale were used to evaluate psychological status before surgery. Patients were classified as satisfied or dissatisfied with surgery based on a ZCQ satisfaction subscale cutoff score of 2.5. 
		                        		
		                        			Results:
		                        			The satisfied and dissatisfied groups contained 128 and 29 patients, respectively. Six months postoperatively, outcome scores for the dissatisfied group were unchanged or worse than preoperative scores (p>0.05). Multivariate logistic regression analysis showed significant associations between dissatisfaction and preoperative low back pain VAS score ≥ median (odds ratio [OR], 0.27; 95% confidence interval [CI], 0.10–0.74; p=0.01), preoperative mental health SF-36 score ≥ median (OR, 0.26; 95% CI, 0.08–0.89; p=0.03), and preoperative anxiety HADS score ≥ median (OR, 3.95; 95% CI, 1.16–13.46; p=0.03). 
		                        		
		                        			Conclusions
		                        			Preoperative less severe low back pain, lower mental health, and higher anxiety are associated with patient dissatisfaction with lumbar surgery, not depression, pain catastrophizing, or fear-avoidance beliefs. Pre- and postoperative psychological status should be assessed carefully and managed appropriately. 
		                        		
		                        		
		                        		
		                        	
6.Association Between Body Mass Index and Functional Dyspepsia in Young Japanese People
Yasunori YAMAMOTO ; Shinya FURUKAWA ; Junichi WATANABE ; Aki KATO ; Katsunori KUSUMOTO ; Eiji TAKESHITA ; Yoshio IKEDA ; Naofumi YAMAMOTO ; Katsuhiko KOHARA ; Yuka SAEKI ; Yoichi HIASA
Journal of Neurogastroenterology and Motility 2022;28(2):276-282
		                        		
		                        			 Background/Aims:
		                        			Evidence regarding the association between body mass index (BMI) and functional dyspepsia (FD) in the Asian population is limited.Further, no study has evaluated this issue in young people in Asian and Western populations. Thus, we aim to investigate this issueamong young Japanese people. 
		                        		
		                        			Methods:
		                        			The study subjects comprised of 8923 Japanese university students. BMI was divided into 4 categories (quartiles) on the basis of thestudy subjects’ distribution (lowest, low, moderate, and high [reference]). The definition of lean, normal, overweight, and obesewas BMI < 18.5 kg/m2 , 18.5 ≤ BMI < 25 kg/m2 (reference), 25 kg/m2 ≤ BMI < 30 kg/m2 , and 30 kg/m2 ≤ BMI, respectively. The definition of FD was based on the Rome III criteria. 
		                        		
		                        			Results:
		                        			The prevalence of FD was 1.9% in this cohort. The lowest BMI was independently associated with FD after adjustment (adjusted odds ratio [OR], 2.88; 95% confidence interval [CI], 1.46-3.67); P for trend = 0.001). The lowest BMI was independently associated with FD in women but not in men (OR, 2.94; 95% CI, 1.59-5.77; P for trend = 0.001). Leanness was independently associated with FD in total and in women but not in men (total: adjusted OR, 2.01; 95% CI, 1.40-2.86) and women (OR, 2.19; 95% CI, 1.35-3.45). However,interaction analysis showed no significant difference for sex. 
		                        		
		                        			Conclusions
		                        			Among young Japanese people, BMI may be independently inversely associated with FD. Leanness may be an independent associated factor for FD in the young Japanese women. 
		                        		
		                        		
		                        		
		                        	
7.Switching to Once-Daily Insulin Degludec/Insulin Aspart from Basal Insulin Improves Postprandial Glycemia in Patients with Type 2 Diabetes Mellitus: Randomized Controlled Trial
Kyu Yong CHO ; Akinobu NAKAMURA ; Chiho OBA-YAMAMOTO ; Kazuhisa TSUCHIDA ; Shingo YANAGIYA ; Naoki MANDA ; Yoshio KURIHARA ; Shin AOKI ; Tatsuya ATSUMI ; Hideaki MIYOSHI
Diabetes & Metabolism Journal 2020;44(4):532-541
		                        		
		                        			
		                        			  To explore the efficacy and safety of switching from once-daily basal insulin therapy to once-daily pre-meal injection insulin degludec/insulin aspart (IDegAsp) with respect to the glycemic control of participants with type 2 diabetes mellitus (T2DM). In this multicenter, open-label, prospective, randomized, parallel-group comparison trial, participants on basal insulin therapy were switched to IDegAsp (IDegAsp group;  Blood glucose concentrations after dinner and before bedtime were lower in the IDegAsp group, and the improvement in blood glucose before bedtime was significantly greater in the IDegAsp group than in the Basal group at 12 weeks (−1.7±3.0 mmol/L vs. 0.3±2.1 mmol/L,  IDegAsp was more effective than basal insulin at reducing blood glucose after dinner and before bedtime, but did not increase the incidence of hypoglycemia. Switching from basal insulin to IDegAsp does not increase the burden on the patient and positively impacts glycemic control in patients with T2DM.
		                        		
		                        	
8.Biological Effects of Cloth Containing Specific Ore Powder in Patients with Pollen Allergy.
Suni LEE ; Hitoshi OKAMOTO ; Shoko YAMAMOTO ; Tamayo HATAYAMA ; Hidenori MATSUZAKI ; Naoko KUMAGAI-TAKEI ; Kei YOSHITOME ; Yasumitsu NISHIMURA ; Toshiaki SATO ; Yasuzo KIRITA ; Yoshio FUJII ; Takemi OTSUKI
Biomedical and Environmental Sciences 2016;29(8):563-573
OBJECTIVEThe custom-homebuilding company, Cosmic Garden Co. Ltd., located in Okayama City, Japan was established in 1997 and uses specific natural ore powder (SNOP) in wall materials and surveys customers in order to improve allergic symptoms.
METHODSTo investigate the biological effects of SNOP, patients with a pollen allergy were recruited to stay in a room surrounded by cloth containing SNOP (CCSNOP), and their symptoms and various biological parameters were compared with those of individuals staying in a room surrounded by control non-woven cloth (NWC). Each stay lasted 60 min. Before and immediately after the stay, a questionnaire regarding allergic symptoms, as well as POMS (Profile of Mood Status) and blood sampling, was performed. Post-stay minus pre-stay values were calculated and compared between CCSNOP and NWC groups.
RESULTSResults indicated that some symptoms, such as nasal obstruction and lacrimation, improved, and POMS evaluation showed that patients were calmer following a stay in CCSNOP. Relative eosinophils, non-specific Ig E, epidermal growth factor, monocyte chemotactic protein-1, and tumor necrosis factor-α increased following a stay in CCSNOP.
CONCLUSIONThis ore powder improved allergic symptoms, and long-term monitoring involving 1 to 2 months may be necessary to fully explore the biological and physical effects of SNOP on allergic patients.
Adult ; Chemokine CCL2 ; immunology ; Clothing ; Female ; Geologic Sediments ; chemistry ; Humans ; Immunoglobulin E ; immunology ; Japan ; Male ; Pollen ; immunology ; Rhinitis, Allergic, Seasonal ; immunology ; therapy ; Tumor Necrosis Factor-alpha ; immunology
9.A Case Report of Papillary Muscle Rupture after Mitral Valve Replacement with Preservation of Whole Subvalvular Apparatus
Junzo Iemura ; Yoshio Yamamoto ; Atushi Kambara ; Kohsuke Fujii
Japanese Journal of Cardiovascular Surgery 2013;42(5):416-419
		                        		
		                        			
		                        			Preservation of subvalvular mitral apparatus and maintenance of continuity between structures and annulus is recognized, and widely accepted as a significant factor for avoiding impairment to ventricular function and preventing left ventricular rupture during mitral valve replacement. However, we encountered a patient who developed posteromedial papillary muscle rupture following chordal sparing mitral valve replacement. The patient was a 67-year-old man who underwent mitral valve replacement with a porcine bioprosthesis 29M for acute mitral valve insufficiency due to several spontaneous chordal ruptures. The subvalvular apparatus of both leaflets was retained, the center of the anterior leaflet was excised elliptically, and the entire posterior leaflet was preserved. Although his postoperative course was uneventful, the transthoracic echocardiogram showed a floating structure prolapsing through the aortic valve in the left ventricle synchronizing with the cardiac cycle. The severed papillary muscle was removed successfully via an aortotomy through the native aortic valve on the 57th day after the first surgery. The patient recovered with no events. Surgeons should consider avoiding an excessive tension on the preserved chordae and delivering a cardioplegia sufficiently and uniformly during mitral valve replacement.
		                        		
		                        		
		                        		
		                        	
10.Intervention in Clinical Department by Infection Control Team as Part of Its Prophylactic Activities
Yuji BESSHO ; Mie SUZUKI ; Eriko TAKAKURA ; Akiya MORI ; Yumi MATSUSHIMA ; Kenji YANOU ; Tetsuya MURATA ; Keiki KAWAKAMI ; Shinji YAMAMOTO ; Yoshio SEKO ; Masayuki HAMADA
Journal of the Japanese Association of Rural Medicine 2006;55(4):381-387
		                        		
		                        			
		                        			Since the Infection Control Team (ICT) was organized in 1999, our hospital has been engaged in evidence-based operations against nosocomial infections. The ICT's major activities included guidance in preventive measures against infections, surveillance involving continuous environmental monitoring, proposition as regards prescription of antibacterial medicines, and consultation with clinicians about prophylaxis. The team comprising physicians, nurses, pharmacists and clinical laboratory technicians has made expert propositions to clinicians. To be concrete, the team members, with the liaison clerk playing a central role, met with physicians in charge or with other staff members of the hospital, studied the infection cases in question, and presented the study findings to the clinicians. Fundamentally, therefore, it is not that the ICT intervenes in the affairs of the clinical department by way of directions but that it presents clinicians with the ideas gained through discussion between ICT members and physicians and other hospital staffers. While cementing a relationship of mutual trust between hospital employees, the ICT is expected to engage in nosocomial infection prevention activities by joining forces transdeoartmentally.
		                        		
		                        		
		                        		
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