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Journal of Medical and Dental Sciences

Takutoshi Inoue, Tomoaki Sugiyama, Toshiyuki Ikoma, Hideaki Shimazu, Ryo Wakita, Haruhisa Fukayama
The present study investigates how effectively lidocaine ions are transported across a cellophane membrane through the application of either a direct current (DC) or alternating current (AC). The cellophane membrane was set on a parallelplate- type acrylic cell with platinum electrodes at both ends, filled with a donor cell of a 1 % aqueous solution of lidocaine and a receptor cell with distilled water. Lidocaine concentrations were measured for 60 min while the following voltages were applied, with changes every 10 min: 3 V DC and 7...
2016: Journal of Medical and Dental Sciences
Toshiyuki Ohara, Takeshi Muneta, Yusuke Nakagawa, Yu Matsukura, Shizuko Ichinose, Hideyuki Koga, Kunikazu Tsuji, Ichiro Sekiya
Synovial mesenchymal stem cells (MSCs) are an attractive cell source for cartilage and meniscus regeneration. Use of primary MSCs is the preferable because these cells are safer than cells passaged several times in terms of probability of chromosome abnormalities. The effect of hypoxia on the proliferation of MSCs is controversial and remains unknown in primary synovial MSCs. Primary synovial MSCs were cultured at normoxia or hypoxia, and colony number, cell number, surface epitopes, mitochondria activity, TEM finding, and chondrogenic potential were analyzed...
2016: Journal of Medical and Dental Sciences
Masatoshi Nakagawa, Kazuyuki Kojima, Mikito Inokuchi, Keiji Kato, Hirofumi Sugita, Sho Otsuki, Kenichi Sugihara
Introduction The purpose of this study was to identify the frequency, severity, and risk factors of complications after open gastrectomy using the Clavien- Dindo classification because institution-specific criteria were mostly used in the previous articles. Materials and Methods All complication data were obtained from our prospectively collected database of open gastrectomy from January 1999 to December 2012 (n=539). Complications were classified into either major surgical complications such as pancreatic fistula, abdominal abscess, and anastomotic leakage, or others...
2016: Journal of Medical and Dental Sciences
Daisuke Ikeda, Makiko Sugawa, Kazuo Kawahara
Nucleic acid amplification test (NAT), which was introduced by the Japanese Red Cross Society in October 1999, began to be performed for screening of blood transfusion formulations in Japan in August 2014. In this study, the precision of immunological screenings of hepatitis B (HBsAg, HBcAb, and HBsAb), hepatitis C (HCVAb), and human immunodeficiency (HIVAb) virus antigens in donated blood were evaluated. In addition, the sensitivity of the alanine aminotransferase (ALT) test for detection of the hepatitis B and C viruses was re-evaluated...
2016: Journal of Medical and Dental Sciences
Mana Doi-Kanno, Hiroki Fukahori
AIM: This study identified the factors associated with depression in patients diagnosed with myocardial infarction (MI) who underwent percutaneous coronary intervention (PCI). METHODS: We searched the literature using PubMed and CINAHL from their inception in 1946 to December 2014. The search terms were "myocardial infarction," "depression," and "percutaneous coronary intervention." Studies which investigated factors associated with depression in patients diagnosed with MI who underwent typical medical procedures were searched...
2016: Journal of Medical and Dental Sciences
Abulimiti Zainuer, Yoshinori Inoue, Toshifumi Kudo, Takahiro Toyofuku, Kimihiro Igari, Tatsuyuki Kawano
UNLABELLED: The aim of this study was to investigate which parameters among the ankle brachial index (ABI), toe brachial pressure index (TBI) and transfer function index (TFI) are useful to accurately diagnose PAD in patients with / without arterial calcification, who have undergone some type of diagnostic imaging. PATIENTS AND METHODS: A total of 102 patients with 192 limbs (mean age: 72.0 ± 8.4 years) underwent plain radiography, ABI, TBI and TFI. A receiver operating characteristics (ROC) analysis was performed to assess possible threshold values that predict PAD in these patients...
2016: Journal of Medical and Dental Sciences
Naoya Abe, Kozue Matsuo, Toshio Kumasaka, Koichi Naka, Syoichi Hashimoto, Tamiko Takemura, Mutsunori Fujiwara, Yukiko Ito, Ryo Nakata, Takuya Hashimoto, Masatoshi Makuuchi, Yurie Soejima, Motoji Sawabe
Endoscopic retrograde cholangiopancreatography (ERCP) brushing cytology often cannot distinguish adenocarcinoma from reactive epithelial changes. We attempted to improve the diagnostic sensitivity of ERCP using the following methods: systematic cytological evaluation, immunocytochemical examination of minichromosome maintenance proteins (MCM) 2 and p53, and a combination of these methods. ERCP specimens from 53 patients (13 benign and 40 malignant cases) were studied. First, we reclassified the cases into three categories according to the systematic cytological evaluation: negative, suspicious, and positive...
2016: Journal of Medical and Dental Sciences
Takeo Niga, Maiko Mori, Kazuo Kawahara
In order to address regional inequality in healthcare delivery in Japan, healthcare districts were established in 1985. However, regional healthcare delivery has now become a national issue because of population migration and the aging population. In this study, the state of healthcare delivery at the district level is examined by analyzing population, the number of physicians, and the number of hospital beds. The results indicate a continuing disparity in healthcare delivery among districts. We find that the rate of change in population has a strong positive correlation with that in the number of physicians and a weak positive correlation with that in the number of hospital beds...
2016: Journal of Medical and Dental Sciences
Naoko Seki, Janelle Moross, Masayo Sunaga, Koki Hobo, Tomoe Miyoshi, Hiroshi Nitta, Atsuhiro Kinoshita, Ikuko Morio
Even though English is most frequently the common language when the patient's native language differs from that of a dentist, the opportunities for Japanese undergraduate dental students to learn dental English are now quite limited. The purposes of our study were to investigate: the effectiveness and feasibility of the computer-assisted simulation materials as one solution strategy for dental English education in Japan, and the needs and demands for dental English from the learners' side. Interactive simulation materials for medical interviews in English and clinical cases which were translated to English, were delivered via Learning Management System (LMS) to nineteen trainee residents of dentistry (residents)...
2016: Journal of Medical and Dental Sciences
Michie Nagayoshi, Taiko Hirose, Takahide Omori, Kyoko Toju, Shigenobu Suzuki, Motoko Okamitsu, Aki Kawamura, Naoko Takeo
This study aimed to clarify the relationships among developmental characteristics of retinoblastoma (RB) infants, mother-infant interaction, and mental health of mothers. Prospective studies were conducted twice with 13 dyads of mothers and infants who were between one (Time 1) and two years old (Time 2). Cross-sectional and longitudinal analyses were performed. The mean Developmental Quotients (DQ) significantly decreased between Time 1 and Time 2 (p < .05). Four (30.8%) infants showed DQ p < 85 at Time 1...
2015: Journal of Medical and Dental Sciences
Satoshi Yago, Taiko Hirose, Aki Kawamura, Takahide Omori, Motoko Okamitsu
This study aimed to clarify the characteristics of the Japanese version of the Infant-Toddler Social and Emotional Assessment (J-ITSEA), a parentreport questionnaire concerning social-emotional/behavioral problems and delays in competence in 1- to 3-year-old children. The differences in score between genders, ages, and between the J-ITSEA and the original Infant-Toddler Social and Emotional Assessment were examined. The data of 617 participants recruited from Saitama prefecture through stratified two-stage sampling were analyzed...
2015: Journal of Medical and Dental Sciences
Keiko Komoto, Taiko Hirose, Takahide Omori, Naoko Takeo, Motoko Okamitsu, Noriko Okubo, Hiroji Okawa
This study investigated the effects of the Japanese Early Promotion Program (JEPP), which is based on the Infant Mental Health (IMH) program. The JEPP aims to promote mother-infant interactions by enhancing the mother's ability to respond appropriately her child. Mothers in the JEPP group (n = 15) received support from IMH nurses in a pediatric clinic until their infants reached 12 months of age. The nurses provided positive feedback that emphasized strength of parenting, and assisted the mothers in understanding the construct of their infants...
2015: Journal of Medical and Dental Sciences
Yuko Ojiro, Toshiro Kubota, Kozo Takase
The "Guidelines for Obstetrical Practice in Japan" are the first consensus-based guidelines in the field of obstetrics and were published in 2008 owing to an obstetric medical care crisis in Japan. The Guidelines describe appropriate methods for obstetric care and were based on consensus among obstetricians in Japan. Originally, the Guidelines were not intended to be a rulebook to limit physician discretion; however, from a medical care litigation standpoint, medical practices that conform to the Guidelines are following the "medical standard"...
2015: Journal of Medical and Dental Sciences
Kyoko Obama, Mitsue Maru, Rumi Maeda, Toshiro Kubota
PURPOSE: To examine the relationship between cancer-related fatigue (CRF) and physical activity in daily living in premenopausal disease-free cervical and endometrial cancer survivors. METHODS: A physical activity monitor was used to collect objective data on daily physical activity. CRF and related variables were measured using self-report scales in a cross-sectional manner. RESULTS: The average age was 44.9 years among 64 women. The higher CRF group comprised 22 women (34%), 10% of whom had severe fatigue...
2015: Journal of Medical and Dental Sciences
Satoru Miyakura, Masayuki Hara
We have cloned a gene from a rat liver cDNA library, representing alternatively spliced cDNAs encoding 83-kDa and 68-kDa proteins, which we have designated as UKp83 and UKp68, respectively. Both proteins have a predicted nuclear localization signal and five CCCH motifs (zinc-binding motifs), and share a degree of sequence similarity with Nab2, a yeast protein that contains nucleic acidbinding motifs and tandem CCCH zinc fingers. Nab2 binds homopolymeric RNA and single-stranded DNA and regulates poly(A) tail length and the export of mRNA to the cytosol...
2015: Journal of Medical and Dental Sciences
Haslina Rani, Masayuki Ueno, Takashi Zaitsu, Sayaka Furukawa, Yoko Kawaguchi
The objective of this study was to determine the prevalence of and factors associated with clinical and perceived oral malodor among dental students. Clinical oral malodor was measured in 163 Malaysian dental students using organoleptic method and Oral ChromaTM and they were asked about their perception of self-oral malodor. Oral examination was performed to assess oral health status. Statistical analyses were performed using SPSS version 19.0. There were 52.7% students who had clinical oral malodor, while 19...
2015: Journal of Medical and Dental Sciences
Jun Kohyama, Shigeki Fujitani, Yoshimasa Umesato, Hitomi Kataoka
Disease staging, first developed in 1970, has been used to assess the levels of biological severity, defined as the risk of organ failure or death, of specific medical diseases. Because few studies to date have evaluated disease staging in Japan, a small pilot study was designed to determine whether disease staging is available and useful in actual medical practice in Japan. The relationships between disease staging and length of stay, medical costs and age were retrospectively evaluated in patients admitted to Japan Association for Development of Community Medicine - Tokyo Bay Urayasu Ichikawa Medical Center for appendicitis, type 2 diabetes mellitus, and cerebrovascular diseases from April 2012 to March 2013...
2015: Journal of Medical and Dental Sciences
Toru Sasaki, Seiji Kishimoto, Kazuyoshi Kawabata, Yukiko Sato, Tomohiro Tsuchida
INTRODUCTION: The necessity of transoral surgery for head and neck carcinoma is increasing, but its indications for the treatment of superficial head and neck carcinomas have not yet been established. This study was intended to help establish the standard indications for transoral surgery and additional therapy in patients with superficial head and neck carcinoma. METHODS: Sixty-two patients with 83 superficial head and neck carcinoma underwent transoral tumor resection at the Cancer Institute Hospital between June 2006 and September 2011...
2015: Journal of Medical and Dental Sciences
Taki Sekiya, Zenzo Miwa, Natsumi Tsuchihashi, Naoko Uehara, Kumiko Sugimoto
Since the understanding of emotional changes induced by dental treatments is important for dentists to provide a safe and comfortable dental treatment, we analyzed physiological responses during watching video images of dental treatments to search for the appropriate objective indices reflecting emotional changes. Fifteen healthy young adult subjects voluntarily participated in the present study. Electrocardiogram (ECG), electroencephalogram (EEG) and corrugator muscle electromyogram (EMG) were recorded and changes of them by viewing videos of dental treatments were analyzed...
2015: Journal of Medical and Dental Sciences
Minako Jinta, Ken-Ichi Imadome, Honami Komatsu, Mayumi Yoshimori, Morito Kurata, Shigeyoshi Fujiwara, Osamu Miura, Ayako Arai
We investigated the effects of L-asparaginase (L-asp) on Epstein-Barr virus (EBV)-positive T/NK lymphoproliferative diseases (EBV-T/ NK-LPDs). Seven doses of L-asp (6,000 U/m2) were administered intravenously, with one dose administered on every alternate day. Five consecutive patients were enrolled. Three patients completed the treatment. The clinical symptoms resolved in 1 patient who started the administration 8 months after the onset, being the earliest among the 5 patients. Her EBV-DNA level in whole blood markedly decreased to 0...
2015: Journal of Medical and Dental Sciences
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