1.Efficacy of Acotiamide in Pediatric Patients with Functional Dyspepsia
Keinosuke HIZUKA ; Shin-ichiro HAGIWARA ; Ryutaro SAURA ; Yu MASUDA ; Ayaha HATA ; Takatoshi MAEYAMA ; Yuri ETANI
Pediatric Gastroenterology, Hepatology & Nutrition 2025;28(3):176-184
Purpose:
Functional dyspepsia (FD) is a chronic disorder characterized by upper abdominal symptoms in the absence of an identifiable organic cause. Although the efficacy of acotiamide has been demonstrated in adults with FD, its effectiveness in pediatric patients remains unclear. This study aimed to evaluate the efficacy of acotiamide in pediatric patients with FD.
Methods:
We conducted a retrospective analysis of 33 patients with FD, aged <16 years, who received acotiamide at a single children’s hospital between August 2013 and March 2022.
Results:
Symptomatic improvement was observed in 57.6% (19/33) of patients one month after acotiamide administration. The improvement rates were 63.6%, 20.0%, and 66.7% among patients with epigastric pain syndrome (EPS), postprandial distress syndrome (PDS), and overlap PDS-EPS, respectively. No statistically significant differences in symptomatic improvement rates were noted among the subtypes (p=0.213). Two patients discontinued acotiamide because of abdominal pain, but no serious adverse events were reported.
Conclusion
Acotiamide demonstrated efficacy in pediatric FD, which is consistent with previously reported outcomes in adults. Acotiamide may be a beneficial treatment option for pediatric FD across all subtypes.
2.Efficacy of Acotiamide in Pediatric Patients with Functional Dyspepsia
Keinosuke HIZUKA ; Shin-ichiro HAGIWARA ; Ryutaro SAURA ; Yu MASUDA ; Ayaha HATA ; Takatoshi MAEYAMA ; Yuri ETANI
Pediatric Gastroenterology, Hepatology & Nutrition 2025;28(3):176-184
Purpose:
Functional dyspepsia (FD) is a chronic disorder characterized by upper abdominal symptoms in the absence of an identifiable organic cause. Although the efficacy of acotiamide has been demonstrated in adults with FD, its effectiveness in pediatric patients remains unclear. This study aimed to evaluate the efficacy of acotiamide in pediatric patients with FD.
Methods:
We conducted a retrospective analysis of 33 patients with FD, aged <16 years, who received acotiamide at a single children’s hospital between August 2013 and March 2022.
Results:
Symptomatic improvement was observed in 57.6% (19/33) of patients one month after acotiamide administration. The improvement rates were 63.6%, 20.0%, and 66.7% among patients with epigastric pain syndrome (EPS), postprandial distress syndrome (PDS), and overlap PDS-EPS, respectively. No statistically significant differences in symptomatic improvement rates were noted among the subtypes (p=0.213). Two patients discontinued acotiamide because of abdominal pain, but no serious adverse events were reported.
Conclusion
Acotiamide demonstrated efficacy in pediatric FD, which is consistent with previously reported outcomes in adults. Acotiamide may be a beneficial treatment option for pediatric FD across all subtypes.
3.Efficacy of Acotiamide in Pediatric Patients with Functional Dyspepsia
Keinosuke HIZUKA ; Shin-ichiro HAGIWARA ; Ryutaro SAURA ; Yu MASUDA ; Ayaha HATA ; Takatoshi MAEYAMA ; Yuri ETANI
Pediatric Gastroenterology, Hepatology & Nutrition 2025;28(3):176-184
Purpose:
Functional dyspepsia (FD) is a chronic disorder characterized by upper abdominal symptoms in the absence of an identifiable organic cause. Although the efficacy of acotiamide has been demonstrated in adults with FD, its effectiveness in pediatric patients remains unclear. This study aimed to evaluate the efficacy of acotiamide in pediatric patients with FD.
Methods:
We conducted a retrospective analysis of 33 patients with FD, aged <16 years, who received acotiamide at a single children’s hospital between August 2013 and March 2022.
Results:
Symptomatic improvement was observed in 57.6% (19/33) of patients one month after acotiamide administration. The improvement rates were 63.6%, 20.0%, and 66.7% among patients with epigastric pain syndrome (EPS), postprandial distress syndrome (PDS), and overlap PDS-EPS, respectively. No statistically significant differences in symptomatic improvement rates were noted among the subtypes (p=0.213). Two patients discontinued acotiamide because of abdominal pain, but no serious adverse events were reported.
Conclusion
Acotiamide demonstrated efficacy in pediatric FD, which is consistent with previously reported outcomes in adults. Acotiamide may be a beneficial treatment option for pediatric FD across all subtypes.
4.Efficacy of Acotiamide in Pediatric Patients with Functional Dyspepsia
Keinosuke HIZUKA ; Shin-ichiro HAGIWARA ; Ryutaro SAURA ; Yu MASUDA ; Ayaha HATA ; Takatoshi MAEYAMA ; Yuri ETANI
Pediatric Gastroenterology, Hepatology & Nutrition 2025;28(3):176-184
Purpose:
Functional dyspepsia (FD) is a chronic disorder characterized by upper abdominal symptoms in the absence of an identifiable organic cause. Although the efficacy of acotiamide has been demonstrated in adults with FD, its effectiveness in pediatric patients remains unclear. This study aimed to evaluate the efficacy of acotiamide in pediatric patients with FD.
Methods:
We conducted a retrospective analysis of 33 patients with FD, aged <16 years, who received acotiamide at a single children’s hospital between August 2013 and March 2022.
Results:
Symptomatic improvement was observed in 57.6% (19/33) of patients one month after acotiamide administration. The improvement rates were 63.6%, 20.0%, and 66.7% among patients with epigastric pain syndrome (EPS), postprandial distress syndrome (PDS), and overlap PDS-EPS, respectively. No statistically significant differences in symptomatic improvement rates were noted among the subtypes (p=0.213). Two patients discontinued acotiamide because of abdominal pain, but no serious adverse events were reported.
Conclusion
Acotiamide demonstrated efficacy in pediatric FD, which is consistent with previously reported outcomes in adults. Acotiamide may be a beneficial treatment option for pediatric FD across all subtypes.
5.Efficacy of Acotiamide in Pediatric Patients with Functional Dyspepsia
Keinosuke HIZUKA ; Shin-ichiro HAGIWARA ; Ryutaro SAURA ; Yu MASUDA ; Ayaha HATA ; Takatoshi MAEYAMA ; Yuri ETANI
Pediatric Gastroenterology, Hepatology & Nutrition 2025;28(3):176-184
Purpose:
Functional dyspepsia (FD) is a chronic disorder characterized by upper abdominal symptoms in the absence of an identifiable organic cause. Although the efficacy of acotiamide has been demonstrated in adults with FD, its effectiveness in pediatric patients remains unclear. This study aimed to evaluate the efficacy of acotiamide in pediatric patients with FD.
Methods:
We conducted a retrospective analysis of 33 patients with FD, aged <16 years, who received acotiamide at a single children’s hospital between August 2013 and March 2022.
Results:
Symptomatic improvement was observed in 57.6% (19/33) of patients one month after acotiamide administration. The improvement rates were 63.6%, 20.0%, and 66.7% among patients with epigastric pain syndrome (EPS), postprandial distress syndrome (PDS), and overlap PDS-EPS, respectively. No statistically significant differences in symptomatic improvement rates were noted among the subtypes (p=0.213). Two patients discontinued acotiamide because of abdominal pain, but no serious adverse events were reported.
Conclusion
Acotiamide demonstrated efficacy in pediatric FD, which is consistent with previously reported outcomes in adults. Acotiamide may be a beneficial treatment option for pediatric FD across all subtypes.
6.A Case of Intermediate Type Atrioventricular Septal Defect Associated with a Membranous Ventricular Septal Aneurysm in a 70-Year-Old Female Patient
Ryuji HOJO ; Athuhiro NAKASHIMA ; Eiichi TESHIMA ; Osamu TOMINAGA ; Shinya HIGUCHI ; Munetaka MASUDA ; Ryuji TOMINAGA
Japanese Journal of Cardiovascular Surgery 2023;52(1):1-4
The case was a 70-year-old female. Atrioventricular septal defect was diagnosed in her childhood, however, surgical treatment had not been performed. The patient had suffered from heart failure at the age of 69, and she was referred to our hospital for treatment. Her diagnosis was intermediate type atrioventricular septal defect, moderate left atrioventricular valve regurgitation, membranous ventricular septal aneurysm and atrial flutter. An autologous pericardial patch was used to close the ostium primum type atrial septal defect associated with simultaneous covering of membranous ventricular septal aneurysmal wall. Concomitant left and right atrioventricular valvuloplasty and arrhythmia surgery were performed. Her postoperative course was uneventful and the patient was discharged from our department on the 16th postoperative day. To our knowledge, there are few reports of surgery for incomplete type atrioventricular septal defect in the elderly and no report for intermediate type atrioventricular septal defect in Japan. In incomplete type atrioventricular septal defect, symptoms such as supraventricular arrhythmia and heart failure develop according to aging. Reported surgical results in the elderly are quite good, and improvement of excise tolerance is expected. Precise evaluation and proper indication of surgical treatment is mandatory even in older patients.
7.The accuracy of a newly developed guide system in medial meniscus posterior root repair: a comparison between two aiming guides
Takayuki FURUMATSU ; Yuki OKAZAKI ; Yuya KODAMA ; Yoshiki OKAZAKI ; Yusuke KAMATSUKI ; Shin MASUDA ; Takaaki HIRANAKA ; Toshifumi OZAKI
The Journal of Korean Knee Society 2019;31(3):e7-
PURPOSE:
Posterior root repair of the medial meniscus (MM) can prevent rapid progression of knee osteoarthritis in patients with a MM posterior root tear (MMPRT). The anatomic reattachment of the MM posterior root is considered to be critical in a transtibial pullout repair. However, tibial tunnel creation at the anatomic attachment is technically difficult. We hypothesized that a newly developed point-contact aiming guide [Unicorn Meniscal Root (UMR) guide] can create the tibial tunnel at a better position rather than a previously designed MMPRT guide. The aim of this study was to compare the position of the created tibial tunnel between the two meniscal root repair guides.
MATERIALS AND METHODS:
Thirty-eight patients underwent transtibial pullout repairs. Tibial tunnel creation was performed using the UMR guide (19 cases) or MMPRT guide (19 cases). Three-dimensional computed tomography images of the tibial surface were evaluated using the Tsukada's measurement method postoperatively. The expected anatomic center of the MM posterior root attachment was defined as the center of three tangential lines referring to three anatomic bony landmarks (anterior border of the posterior cruciate ligament, lateral margin of the medial tibial plateau, and retro-eminence ridge). The expected anatomic center and tibial tunnel center were evaluated using the percentage-based posterolateral location on the tibial surface. The distance between the anatomic center and tunnel center was calculated.
RESULTS:
The anatomic center of the MM posterior root footprint was located at a position of 79.2% posterior and 39.5% lateral. The mean of the tunnel center in the UMR guide was similar to that in the MMPRT guide (posterior direction, P = 0.096; lateral direction, P = 0.280). The mean distances between the tunnel center and the anatomic center were 4.06 and 3.99mm in the UMR and MMPRT guide group, respectively (P = 0.455).
CONCLUSIONS
The UMR guide, as well as the MMPRT guide, is a useful device to create favorable tibial tunnels at the MM posterior root attachment for pullout repairs in patients with MMPRTs.LEVEL OF EVIDENCE: IV
8.Relationship between interest in a medical career and intention to continue working after marriage in women medical students
Harutaka Yamaguchi ; Hirotoshi Fujimoto ; Shoko Akiyama ; Sarara Masuda ; Shino Yuasa ; Rho Tabata ; Shingo Kawaminami ; Teruki Shin ; Yoshinori Nakanishi ; Nobuhiko Shimizu ; Mitsuhiro Kohno ; Kenji Tani
An Official Journal of the Japan Primary Care Association 2014;37(1):16-21
Introduction : While the number of women physicians is increasing in Japan, there is a tendency for these physicians to leave the workforce during their child-rearing years, contributing to an overall physician shortage. In order to create effective policies to ameliorate these shortages, it is important to assess women medical students' views on their careers after marriage and the factors that lead to a low motivation for continuation of their careers..
Methods : From 2010 to 2012, we conducted questionnaire surveys using visual analog scale (VAS) based and multiple choice questions on medical students at the University of Tokushima regarding these issues in women physicians. We analyzed the results of questions included in each of these three-year surveys for women medical students in the first, third and sixth year and men in their sixth year..
Results : VAS results for “intention to continue career after marriage” showed shorter measurements in sixth year women (median 86.5mm, interquartile range (IQR) 64-97mm) compared to sixth year men (median 98mm, IQR 92.5-100mm) (p<0.001). Sixth year women with a VAS of 75mm or under for “intention to continue career” showed less “interest in a medical career” than those with a VAS of 80mm or greater (median 79.5mm (IQR 64.5-88.5) vs. 90.5mm (IQR 82-100)) (p=0.001). All student groups analyzed indicated that a “sense of purpose” was the most important factor in their future careers.
Conclusion : Lower VAS levels for “the intention to continue career after marriage” were related to a lower level for “interest in a medical career” in women medical students, which has implications for education and guidance in the undergraduate years.
9.Development of Monoclonal Antibodies That Target 1-Cys Peroxiredoxin and Differentiate Plasmodium falciparum from P. vivax and P. knowlesi
Hassan Hakimi ; Thu-Thuy Nguyen ; Keisuke Suganuma ; Hirono Masuda-Suganuma ; Jose Ma. M. Angeles ; Noboru Inoue ; Shin-ichiro Kawazu
Tropical Medicine and Health 2013;41(2):55-59
Prompt and accurate diagnosis of malarial patients is a crucial factor in controlling the morbidity and mortality of the disease. Effective treatment decisions require a correct diagnosis among mixed-species malarial patients. Differential diagnosis is particularly important in cases of Plasmodium vivax, a species that shares endemicity with P. falciparum in most endemic areas. Moreover, it is difficult to identify P. knowlesi on the basis of morphology alone, and rapid diagnostic tests are still not available for this malaria species. Therefore, the development of diagnostic tests applicable to the field is urgently needed. 1-Cys peroxiredoxin (1-Cys-Prx) in P. falciparum is abundantly expressed in the mature asexual stages, making it a promising candidate as a diagnostic antigen. In this study, we produced five monoclonal antibodies (mAbs) against P. falciparum 1-Cys-Prx (Pf1-Cys-Prx) by immunizing BALB/c mice with recombinant Pf1-Cys-Prx and subsequent hybridoma production. Cross reactivity of established mAbs with the orthologous molecule of Pf1-Cys-Prx in P. vivax (Pv1-Cys-Prx) and P. knowlesi (Pk1-Cys-Prx) was examined. Western blot analyses showed that three mAbs reacted with Pv1-Cys-Prx and Pk1-Cys-Prx but two mAbs did not. These results indicate that the two mAbs were effective in differentiating P. falciparum from P. vivax and P. knowlesi and could be used in differential diagnosis as well as comparative molecular studies of human Plasmodium species.
10.Isolated Intracavitary Metastatic Esophageal Cancer of the Right Atrium and Right Ventricle
Ichiya Yamazaki ; Hiromasa Yanagi ; Motohiko Goda ; Shin-ichi Suzuki ; Munetaka Masuda
Japanese Journal of Cardiovascular Surgery 2011;40(6):310-313
We report a rare case of isolated intracavitary metastatic esophageal cancer of the right atrium and ventricle. A 67-year old woman had been treated for esophageal carcinoma for three years. Combined radiotherapy and chemotherapy had been performed, and partial remission had been achieved. Recent follow up computed tomography of the chest revealed intracavitary cardiac mass in her right atrium and right ventricle. On echocardiography a mobile, irregularly shaped large mass was detected in her right atrium. She was admitted for emergency operation. We resected the mass under cardiopulmonary bypass. The pathological examination revealed intracavitary metastasis of squamous cell carcinoma of the esophagus. She was discharged on the 29th postoperative day. Six months later, she died from multiple metastases of squamous cell carcinoma. Even though the operation was not curative, it might have been effective for preventing tumor embolism to the lung and elongating life expectancy.


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