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Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi

Hong Sang Choi, Yoon Ha Kim, Chang Seong Kim, Seong Kwon Ma, Soo Wan Kim, Eun Hui Bae
We report a case of subclinical central diabetes insipidus (DI), due to Rathke's cleft cysts, that was initially misdiagnosed as transient DI of pregnancy because it presented in the third trimester of pregnancy. A 37-year-old primigravida visited the Department of Obstetrics in the 30th week of gestation due to polyuria. She was admitted due to oligohydramnios; the amniotic fluid index was 3.24. A vasopressin challenge test was performed and her urine osmolality increased by >100% from baseline after the administration of desmopressin...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Kanae Tsuno, Chiharu Miyatake, Haruna Nishijima, Chiemi Hotta, Tomoko Ogawa, Takeshi Asano
BACKGROUND: Infantile aseptic meningitis is a rare infection of the central nervous system. Coxsackievirus B5 (CVB5) is an enterovirus that is sometimes associated with aseptic meningitis and encephalitis. CASE PRESENTATION: We report on three isolated infants with aseptic meningitis caused by CVB5 in the spring and summer of 2016 with nearly identical 404-bp CVB5 Viral Capsid Protein 1 (VP1) sequences. In addition, viral analysis of sewage samples from Chiba Prefecture in 2016 showed similar 404-bp CVB5 VP1 sequences from May to September 2016...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Kazuhiko Yoshimatsu, Masano Sagawa, Hajime Yokomizo, Yuki Yano, Sachiyo Okayama, Masaya Satake, Yasufumi Yamada, Atsuo Matsumoto, Shunichi Shiozawa, Takeshi Shimakawa, Takao Katsube, Yoshihiko Naritaka
Incisional surgical site infection (SSI) is a leading complication of stoma reversal procedures. This retrospective study was conducted to assess the incidence of incisional SSI and other wound complications when wound closure was achieved by subcuticular suturing and closed suction drainage following stoma reversal. We analyzed data from a total of 49 patients, all of whom had undergone insertion of a 10 Fr closed suction drainage tube in the fascia, following irrigation with approximately 300 mL of physiological saline...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Ryuta Nagaoka, Iwao Sugitani, Marie Sanada, Tomoo Jikuzono, Ritsuko Okamura, Takehito Igarashi, Haruki Akasu, Kazuo Shimizu
BACKGROUND: Multiple endocrine neoplasia type 2B (MEN2B) is an extremely rare syndrome mainly caused by RET918 germline mutations. MEN2B typically causes medullary thyroid carcinoma (MTC), pheochromocytoma, and unique physical characteristics including mucosal neuroma, distinctive facial appearance, and Marfanoid habitus. Most patients have abdominal symptoms such as bloating, intermittent constipation, and diarrhea. MTC is the most important determinant of mortality in patients with MEN2B...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Yushi Kawasaki, Takashi Uehara, Seiji Kawana
Cogan's syndrome (CS) is defined by the combination of hearing loss, vertigo, and ocular inflammation of uncertain cause, and can be associated with variable vessel vasculitis. Vasculitic manifestations may include arteritis (affecting large, medium or small arteries), aortitis, and aortic and mitral valvulitis. Cutaneous manifestations including erythema, papules, subcutaneous nodules, and purpura sometimes occur; however, to date, only six cases have been histologically confirmed to have genuine vasculitis...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Hiroshi Hashiguchi, Satoshi Iwashita, Kazumasa Abe, Kentaro Sonoki, Minoru Yoneda, Shinro Takai
BACKGROUND: The purpose of this study was to evaluate mid- and long-term clinical and radiologic outcomes of arthroscopic coracoclavicular ligament reconstruction (ACCLR) with an artificial ligament for acute dislocation of the acromioclavicular joint (ACJ). METHODS: Twelve male patients (average age at the time of surgery: 40.8 years, range: 21-64 years) underwent ACCLR with an artificial ligament for acute dislocation of the ACJ type III or type V according to the Rockwood classification...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Yoshihiko Satake, Kenji Takahashi, Mitsuru Saito, Shinro Takai
BACKGROUND: Aging is a primary risk factor for the development of osteoarthritis (OA). Recently, advanced glycation end products (AGEs) have received much attention in relation to aging and OA. Some AGEs are reported to be brownish, but the association between AGE levels and browning in articular cartilage is unknown. The purposes of this study were first, to develop a colorimetric device to evaluate the quality and aging of the articular cartilage, and second, to investigate the relationship between AGE levels and color of articular cartilage by using this device without enzymatic digestion of the articular surface...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Takayuki Onohara, Yuichiro Sakamoto, Satoshi Inoue
BACKGROUND: High Mobility Group Box 1 (HMGB-1) is a 30 kDa protein that is a lethal mediator in sepsis and is a recognized therapeutic target. However, no consensus has been reached for acute blood purification therapy as a treatment for sepsis targeting HMGB-1. Previous studies demonstrated that a high anti-HMGB-1 antibody titer and the suppression of HMGB-1 activity improved survival rate in animal sepsis models. The aim of this study was to evaluate whether plasma adsorption therapy is able to decrease the level of HMGB-1, representing a new potential treatment strategy against sepsis...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Yasuhiro Takenaka, Ikuo Inoue, Takanari Nakano, Masaaki Ikeda, Yoshihiko Kakinuma, Yuichi Ikegami, Akira Shimada, Mitsuhiko Noda
BACKGROUND: The antidiabetic drug teneligliptin is a novel dipeptidyl peptidase-4 (DPP-4) inhibitor with a thiazolidine-specific structure. This study aimed to investigate whether teneligliptin can activate PPARγ directly and/or indirectly in cell-based assays. METHODS: Promoter assays using the reporter construct driven under the control of the SV40 promoter and the PPAR response element (PPRE) were performed. Luciferase activity was measured after a 3-day incubation of vector-transduced cells with various concentrations of teneligliptin...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Yoshinori Kobayashi
Idiopathic ventricular premature contractions (VPCs), defined as VPCs in the absence of obvious structural heart disease, are one of the common types of arrhythmia in clinical practice. They are sometimes complicated with non-sustained ventricular tachycardia (VT), and/or sustained VT with almost same QRS morphology in 12 leads ECG. Idiopathic VT (IVT) commonly occurs by focal mechanisms and the origins are distributed in a variety of sites in both ventricles. In this article, the clinical characteristics of IVT/IVPCs, the diagnostic algorithm, and how to ablate them will be reviewed...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Shijie Mo, Zexuan Su, Baoli Heng, Weijun Chen, Liping Shi, Xinghua Du, Caiyong Lai
BACKGROUND/AIM: Epigenetic inactivation of tumor suppressor genes is an important molecular mechanism in the formation and development of human tumors. The purpose of our study was to evaluate the correlation between the methylation level of the secreted frizzled-related protein 1 (SFRP1) gene and the risk of renal cell carcinoma (RCC). METHODS: The relevant literature was searched in detail in several electronic databases. The methodological heterogeneity was analyzed by meta-regression and subgroup analyses...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Takaaki Nakamoto
Sleep-disordered breathing (SDB) is a risk factor for cardiovascular disease including acute coronary syndrome and acute myocardial infarction, and treating SDB prevents their development and recurrence and improves a patient's prognosis. Therefore, SDB is considered a therapeutic target for cardiovascular disease. In 2010, the Japanese Circulation Society published guidelines for the diagnosis and treatment of SDB in patients with cardiovascular disease. However, therapeutic intervention for patients with SDB was recently reported not to suppress the development or deterioration of cardiovascular disease in three middle- to large-sized randomized clinical trials: the SERVE-HF trial, which examined the effects of adaptive servo-ventilation (ASV) on patients with chronic heart failure (CHF) and central sleep apnea; the CAT-HF trial, which examined the effects of ASV therapy on patients with CHF after acute deterioration; and the SAVE study, which examined the secondary preventive effect of continuous positive airway pressure (CPAP) on patients with ischemic heart disease who had mild to moderate obstructive sleep apnea...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Akio Hirama, Akiko Mii, Yusuke Arakawa, Toshiki Funakoshi, Mita Ko, Yukinao Sakai, Akira Shimizu, Shuichi Tsuruoka
No abstract text is available yet for this article.
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Takehisa Yamada, Koji Mugishima, Seiichiro Higo, Yukie Yoshida, Fumiaki Itagaki, Shizuka Yui, Tetsuya Kashiwagi, Yoko Endo, Akira Shimizu, Shuichi Tsuruoka
We report here a case of systemic lupus erythematosus (SLE) with pulmonary hemorrhage and anti-glomerular basement membrane (anti-GBM) antibodies. A 42-year-old woman was admitted to our hospital with complaints of exanthema, arthralgia, shortness of breath, and hemoptysis. Plain chest computed tomography (CT) scan revealed pericardial effusion, bilateral pleural effusions, and pulmonary hemorrhage. Laboratory findings on admission revealed proteinuria, microscopic hematuria, anemia, leukopenia, hypoalbuminemia, hypocomplementemia, and slightly elevated levels of serum creatinine...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Naoyuki Ikari, Akira Shimizu, Takeshi Asano
We report on two siblings with early onset lysosomal acid lipase deficiency or Wolman disease. Their parents had a consanguineous marriage. The children showed evidence of abdominal distension and failed to thrive, despite having regular nutrition. At 3-4 months of age, their abdominal distension and jaundice progressed rapidly and they died of liver failure. Sebelipase alfa, a recombinant form of human lysosomal acid lipase has recently been used as an enzyme replacement therapy in patients with later-onset cholesteryl ester storage disease...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Tomokazu Motomura, Atsushi Hirabayashi, Hisashi Matsumoto, Nobutaka Yamauchi, Mitsunobu Nakamura, Hiroshi Machida, Kenji Fujizuka, Naomi Otsuka, Tomoko Satoh, Hideaki Anan, Hisayoshi Kondo, Yuichi Koido
More than 6,000 people died in the Great Hanshin (Kobe) Earthquake in 1995, and it was later reported that there were around 500 preventable trauma deaths. In response, the Japanese government developed the helicopter emergency medical service in 2001, known in Japan as the "Doctor-Heli" (DH), which had 46 DHs and 2 private medical helicopters as of April 2016. DHs transport physicians and nurses to provide pre-hospital medical care at the scene of medical emergencies. Following lessons learned in the Great East Japan Earthquake in 2011, a research group in the Ministry of Health, Labour and Welfare developed a command and control system for the DH fleet as well as the Disaster Relief Aircraft Management System Network (D-NET), which uses a satellite communications network to monitor the location of the fleet and weather in real-time during disasters...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Takehisa Yamada, Megumi Fukui, Tetsuya Kashiwagi, Taeang Arai, Norio Itokawa, Masanori Atsukawa, Akira Shimizu, Shuichi Tsuruoka
A 61-year-old woman was admitted to our hospital because of muscle paralysis and was found to have severe hypokalemia. A gallium-67 scintigram revealed a positive accumulation in the bilateral salivary glands, and a labial minor salivary gland biopsy demonstrated a massive lymphocyte infiltrate around the salivary ducts. She was diagnosed with Sjögren's syndrome (SS) associated with renal tubular acidosis. Renal biopsy revealed tubulointerstitial nephritis with a mild focal infiltration of lymphocytes and plasma cells...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Toshiyuki Ishii, Chengzhu Yin, Yuko Seko, Akihiro Umezawa, Makoto Kaneda
BACKGROUND: Photoreceptors differentiated from somatic cells are a useful tool for transplantation and drug screening. We previously showed that photosensitive cells are differentiated from human fibroblasts by direct reprogramming. In induced pluripotent stem (iPS) cells or embryonic stem (ES) cells, the properties of differentiated cells differ among the source of cell lines. However, whether or not the properties of the photosensitive cells produced by direct reprogramming are controlled by the origin of the cell line remains unknown...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Yuichiro Sumi, Yukinao Sakai, Koji Mugishima, Anna Suzuki, Yusuke Otsuka, Tomoyuki Otsuka, Shuichi Tsuruoka
INTRODUCTION: Various innovations for preventing complications and improving a patient's quality of life have been implemented for peritoneal dialysis (PD), which was established in Japan approximately 35 years ago and introduced at our hospital in 1999. Herein, we investigate the outcomes of patients undergoing PD to identify approaches for improving their long-term prognosis. METHODS: This retrospective study included 114 patients who underwent PD between September 1999 and August 2017 and included various parameters such as patient survival rate, technical survival rate, cause (s) of PD withdrawal, incidence of peritonitis, dialysis duration, and change in residual renal function (RRF)...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Yoshihiko Satake, Yuji Tomori, Takuya Sawaizumi, Mitsuhiko Nanno, Norie Kodera, Shinro Takai
Medial epicondyle fractures of the humerus account for 11%-20% of all elbow injuries in children. Although intra-articular incarceration of the medial epicondyle occurs in 5%-18% of medial epicondyle fractures associated with an elbow dislocation, the mechanism of intrusion of the fracture fragment is unknown. We report a case of an irreducible elbow fracture and dislocation due to incarceration of the medial epicondyle fragment of the humerus, classified as a Watson-Jones type 3 fracture of the medial epicondyle, and present the mechanism of the intra-articular incarceration of the medial epicondyle fragment...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
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