The relationship between body fat growth and physical fitness and motor ability development in school age children is not well understood. We determined the similarities and differences in body fat growth and physical fitness and motor ability development curves by applying cross correlation functions, and attempted to show the structure of growth and development between these attributes. The subjects were 647 boys aged 7 to 15 years. The measurements were height, weight, body mass index and body fat percentage as physical characters; and 20-m sprint, Pro Agility test, side steps, standing long jump, vertical jump, and rebound jump (RJ) index as physical fitness and motor ability. The wavelet interpolation method was applied to growth and distance values for physique, body fat and physical fitness and motor ability, and growth and development curves were derived. Cross correlation functions were then applied to the respective pairs of the compared velocity curves. There were large changes in the behavior of the growth velocity curve around the take off age for height, and so the relationship between body fat percentage and physical fitness and motor ability was investigated using the respective cross correlation functions around the take off age. Before the take off age, positive correlations were seen between body fat percentage and physical fitness and physical fitness and motor ability except for the RJ index. After the take off age, in contrast, there were negative correlations between body fat percentage and physical fitness and motor ability except for the RJ index. These results show the new finding that after the take off age in boys, there are contrary similarity between body fat and speed, agility, and instantaneous force.

Operations were performed 3 times on ventricular septal perforation after acute myocardial infarction which exhibited cardiogenic shock, and the patient's life was saved successfully. The case was a female aged 64. Ventricular septal perforation developed in 6 hours after onset of acute myocardial infarction, and an emergency operation was performed because the patient exhibited cardiogenic shock. Intraventricular re-shunt was observed on the postoperative 5th day, and second operation was performed on the postoperative 7th day because a trend of cardiac insufficiency was intensified. Intraventricular re-shunt was observed again on the 5th day of the second operation, but third operation with a principle that further operation is to be performed awaiting regeneration of the tissue on the perforated margin to occur since the circulatory kinetics were seen to have been stabilized. The postoperative course was favorable, and the patient was discharged on 53 rd day of the third operation with the symptom alleviated. It was considered that our policy is to have to repeat operation when the patient's movement of circulation deteriorate at re-shunt from our experience of this time.

A 2-month-old girl had been urgently seen on postnatal day 10 due to poor weight gain and tachypnea. Echocardiography showed congenital valvular aortic stenosis (AS), ventricular septal defect (VSD), atrial septal defect (ASD), and aortic valve dysplasia, but no cyst image was seen at the aortic valve level. Aortography revealed a dysplastic aortic valve along with coarctation of aorta (CoA) and patent ductus arterious (PDA). Balloon aortic valvotomy (BAV) was performed on day 53. Ballooning was satisfactory, but there was no change in gradient. Operation was performed on day 70 under a diagnosis of congenital AS and CoA complex. After cardiopulmonary bypass was established, the ascending aorta was transected. The blood cyst originated from the center of the anterior leaflet and was resected. The pressure gradient at the aortic valve decreased to 22.5mmHg. The patient was discharged 25 days after surgery.

Preservation is essential for successful cell transplantation. 1) Control group (n=13); Cells isolated from human right atrial tissues were cultured for 15 days. 2) Cell-cryopreservation (C. P.) group (n=23), Tissue-C. P. group (n=29); Human heart cells and minced tissues were cryopreserved in freezing medium containing 70% IMDM, 20% FBS, and 10% DMSO at a rate of 1°C/min. to -80°C by a programmed freezer and stored in liquid nitrogen (-196°C) for 1 week. After cryapreservation, the tissues and cells were thawed rapidly at 37°C. The cells, cryopreserved cells and cells isolated from cryopreserved tissues were cultured as passage 1, 2, and 3 for 15 days each. Cell proliferation was compared with a control group by determining growth curves, and 2-day proliferation rates. A growth factor, biochemical features and cell cycle were measured pre and post-cryopreservation. The cryopreserved group proliferated much more than the control group within 15 days at passage 1, 2, and 3 (1.7, 2.1, and 3.1 times, p<0.0001) respectively. The 2-day proliferation rates of cryopreservation group were higher than the control group in 15 days (p<0.05). The bFGF release after cryopreservation was on average 46.8 and 6.8 times greater than before cryopreservation for the Cell-C. P. and Tissue-C. P. groups, respectively. The TGF-β1 release was also accelerated by cryopreservation (Cell-C.P. group: 1.78 times, Tissue-C. P. group: 1.45 times in average) after cryopreservation. The cell cycle of human heart cells shifted to G2+M from the G1+G0 period by cryopreservation. Human atrial tissues and cells can be cultured and cryopreserved. The cryopreserved cells and cells isolated from cryopreserved tissue proliferate much more than non-cryopreserved cells at all cell ages. Cryopreservation enables human tissues and cells to proliferate more because of the greater release of growth factors and changing cell cycle.

Pancreatic cancer is the fifth leading cause of cancer-related death in Japan. Surgical treatment is the effective way to achieve a long survival. Because of the development of surgical procedure and perioperative management, pancreatic surgery becomes safer. However, it still includes a certain number of morbidities and mortalities. It is important to perform safe operation for long survival. We herein introduce our operative procedure for pancreatic surgery including pancreaticoduodenectomy (PD) and distal pancreatectomy. In patients undergoing PD, leakage from the pancreatic anastomosis remains an important cause of morbidity and contributes to prolonged hospitalization and mortality. Recently, a new end-to-end pancreatojejunostomy technique without the use of any stitches through the pancreatic texture or pancreatic duct has been developed. In this novel anastomosis technique, the pancreatic stump is first sunk into deeply and tightened with a purse string in the bowel serosa. We modified this method in an end-to-side manner to complete the insertion of the pancreatic stump into the jejunum, independent of the size of the pancreas or the jejunum. Since April 2013, we have performed this new anastomosis technique in 36 patients. The breakdown of preoperative diagnosis of 36 patients were 13 pancreatic cancers, 8 extrahepatic bile duct cancers, 7 intraductal papillary mucinous neoplasms and so on. Of 36 PD, 32 were subtotal stomach preserving PD (SSPPD), and the rest were SSPPD combined with left hemihepatectomy or distal pancreatectomy, and middle pancreatectomy. The concentration of amylase in discharged fluid through an abdominal drain decreased day by day. According to the ISGPF definition, pancreatic fistula (PF) was observed in 4 patients (11%). Of 4, only 1 case had grade C PF. This case had a hemorrhage from pancreatic cut end. This occurred probably because the pancreatic cut end was not compressed by the intestinal wall with this technique. This case had reoperation and the hemostasis of pancreatic cut end was secured. The other severe complications were not observed. This new method can be performed safely and is expected to reduce the occurrence of leakage from PD. The development of PF following distal pancreatectomy is an unsolved problem. We introduce a simple technique, the parallel suturing technique, which prevents severe PF by hand-sewn closure of the pancreatic stump. After standard distal pancreatectomy in the described cases, the main pancreatic duct was secured. The stump of the pancreatic remnant was closed with three nonabsorbable monofilament sutures. The three sutures were positioned about 3 mm proximal to the cut end of the pancreas and tied parallel to the pancreatic stump. Ascites fluid was collected through a drain tube, and its concentration of amylase was measured on days 1, 2, 3, and 4 postoperatively. PF was diagnosed according to the ISGPF classification. On postoperative day 4, three patients were categorized as having grade A PF, six were diagnosed with no PF, and the drain tubes of the remaining three were removed on day 3. This simple technique may effectively lighten the severity of PF following distal pancreatectomy. It may have a particular advantage in patients with a wide pancreatic stump.

Background/Aims: 5-Aminosalicylic acid (5-ASA) is a basic drug for inducing and maintaining remission for ulcerative colitis. One of its formulations has a coating with a pH-dependent degradation that ensures the release 5-ASA at the terminal ileum. No evidence has been shown concerning the effects of proton pump inhibitors (PPIs) or H2 receptor antagonists (H2RAs) on the clinical course of ulcerative colitis patients in remission. The present study assessed the effect of PPIs or H2RAs on the relapse of ulcerative colitis patients in clinical remission maintained by pH-dependent released 5-ASA. Methods: Ulcerative colitis patients who had been prescribed time- or pH-dependent-released 5-ASA between January 2015 and December 2018 were enrolled in this multicenter retrospective study. The period of remission until relapse occurred was analyzed among the patients taking time-dependent-released 5-ASA or pH-dependent-released 5-ASA with/without PPIs or H2RAs. Results: One hundred and nineteen patients were analyzed in this study. In the primary endpoint, the relapse rate was higher in patients taking pH-dependent-released 5-ASA and PPIs or H2RAs than in those taking the pH-dependent-released 5-ASA without PPIs or H2RAs, while the relapse rate was similar in patients taking the time-dependent-released 5-ASA with or without PPIs or H2RAs concomitantly. Patients with a short duration of disease and middle-aged patients more frequently showed relapse with PPIs or H2RAs than the other patients. Conclusions The coadministration of PPIs or H2RAs affects the clinical course of ulcerative colitis in remission maintained by pH-dependent-released 5-ASA.

Background/Aims: 5-Aminosalicylic acid (5-ASA) is a basic drug for inducing and maintaining remission for ulcerative colitis. One of its formulations has a coating with a pH-dependent degradation that ensures the release 5-ASA at the terminal ileum. No evidence has been shown concerning the effects of proton pump inhibitors (PPIs) or H2 receptor antagonists (H2RAs) on the clinical course of ulcerative colitis patients in remission. The present study assessed the effect of PPIs or H2RAs on the relapse of ulcerative colitis patients in clinical remission maintained by pH-dependent released 5-ASA. Methods: Ulcerative colitis patients who had been prescribed time- or pH-dependent-released 5-ASA between January 2015 and December 2018 were enrolled in this multicenter retrospective study. The period of remission until relapse occurred was analyzed among the patients taking time-dependent-released 5-ASA or pH-dependent-released 5-ASA with/without PPIs or H2RAs. Results: One hundred and nineteen patients were analyzed in this study. In the primary endpoint, the relapse rate was higher in patients taking pH-dependent-released 5-ASA and PPIs or H2RAs than in those taking the pH-dependent-released 5-ASA without PPIs or H2RAs, while the relapse rate was similar in patients taking the time-dependent-released 5-ASA with or without PPIs or H2RAs concomitantly. Patients with a short duration of disease and middle-aged patients more frequently showed relapse with PPIs or H2RAs than the other patients. Conclusions The coadministration of PPIs or H2RAs affects the clinical course of ulcerative colitis in remission maintained by pH-dependent-released 5-ASA.

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.

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.

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.