Conditions

close

result 3725 件

JaLCDOI 10.18926/AMO/46633
FullText URL 65_3_205.pdf
Author Akavipat, Phuping| Sookplung, Pimwan| Kaewsingha, Pranee| Maunsaiyat, Patcharin|
Abstract To identify the diagnostic properties of the Full Outline of Unresponsiveness (FOUR) score and the discharge outcome, 318 patients were studied. The evaluators rated the patients on admission or when they had mental status alteration with the FOUR score. The course of treatment was determined based on the clinical. The mortality rate and Glasgow Outcome Scale were recorded. Adjusted regression models and prognostic performance were tested by calculation of the receiver operating characteristic curve. One-hundred and twenty-two patients (40.1%) had a poor outcome defined as a Glasgow Outcome Scale score from 3-5, and 38 patients (12.5%) died. The area under the characteristic curve (AUC) for poor outcome and in-hospital mortality were 0.88 (95% CI, 0.83-0.92) and 0.92 (95% CI, 0.87-0.97). The cut-off point of 14 showed sensitivity and specificity of the total FOUR score predicting poor outcomes at 0.77 (95% CI, 0.69-0.84) and 0.95 (95% CI, 0.90-0.97), while the cut-off point of 10 showed the values for in-hospital mortality at 0.71 (95% CI, 0.55-0.83) and 0.93 (95% CI, 0.90-0.96). The total FOUR score showed satisfactory prognostic value for predicting outcome. The cut-off points for the poor outcome and in-hospital mortality are 14 and 10, respectively.
Keywords consciousness evaluation mortality outcome Full Outline of Unresponsiveness (FOUR)
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 205
End Page 210
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709719
Web of Science KeyUT 000292017500008
JaLCDOI 10.18926/AMO/46632
FullText URL 65_3_199.pdf
Author Endo, Michiko| Nakanishi, Yumiko| Miyatake, Nobuyuki|
Abstract Using the homeostasis model assessment (HOMA) index, we investigated the link between insulin resistance and lifestyle in Japanese female university students. We used data for 57 Japanese female university students (21.0±0.8 years) who were enrolled in a cross-sectional investigation study. We performed full blood examinations, and anthropometric parameters, nutrient oral intake and daily step counts were measured. The mean HOMA index for the subjects was 1.3±0.6, and 12 subjects were over the level of 1.6, which is considered to indicate insulin resistance in Japan. The HOMA index was positively correlated with abdominal circumference (r=0.542, p<0.0001), triglycerides, low density lipoprotein (LDL) cholesterol and systolic blood pressure. In addition, the HOMA index was negatively correlated with n-3 fatty acid and positively correlated with the n-6/n-3 fatty acid ratio (r=0.304, p=0.0216). Daily step count was negatively correlated with the HOMA index, but not at a significant level (r=-0.237, p=0.0809). Higher HOMA index in some Japanese female university students was noted, and that was associated with lifestyle, especially n-6/n-3 fatty acid ratio of nutrient oral intake.
Keywords the homeostasis model assessment (HOMA) index lifestyle n-6/n-3 fatty acid ratio female university students
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 199
End Page 204
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709718
Web of Science KeyUT 000292017500007
JaLCDOI 10.18926/AMO/46631
FullText URL 65_3_193.pdf
Author Kawaura, Akihiko| Tanida, Noritoshi| Akiyama, Junichi| Nonaka, Kouji| Mizutani, Masatoshi| Sawada, Kenji| Nakagawa, Kimie| Tsugawa, Naoko| Izumi, Keisuke| Ii, Kunio| Okano, Toshio| Takeda, Eiji|
Abstract Sixty-three male 5-week-old Syrian hamsters received the carcinogen N-nitrosobis(2-oxopropyl)amine (BOP) s.c. in 5 weekly injections (the first, 70mg/kg body, and the remaining, 20mg/kg each). The hamsters that received BOP were given intragastric administration of 0.2ml of medium chain triglyceride (MCT) with or without 0.04μg of 1α-hydroxyvitamin D3 [1α(OH)D3] through a feeding tube for 12 weeks. Thus, 3 groups were assigned:Group 1;BOP alone (n=20), Group 2;BOP+MCT (n=18) and Group 3;BOP+1α(OH)D3 (n=25). The mean body weight of Group 3 was lower than those of Groups 1 and 2 at the end of the experiment (p<0.001,Tukey-Kramer HSD test). At the end of week 12, all surviving hamsters were put to sleep. The incidences of liver tumors were 80%, 72% and 32% in Groups 1, 2 and 3, respectively. The incidence of tumors in Group 3 was significantly lower than in Group 1 and Group 2 (p<0.05, χ2-test). All tumors were cholangiocarcinoma. These results indicated that BOP-induced cholangiocarcinogenesis was suppressed by the supplemental administration of 1α(OH)D3.
Keywords 1α-hydroxyvitamin D3 N-nitrosobis(2-oxopropyl)amine cholangiocarcinogenesis Syrian hamsters
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 193
End Page 197
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709717
Web of Science KeyUT 000292017500006
JaLCDOI 10.18926/AMO/46630
FullText URL 65_3_185.pdf
Author Watanabe, Kumi| Okada, Ayumi| Okabe, Nobuyuki| Onishi, Masaru| Morishima, Tsuneo|
Abstract The purpose of this study was to investigate the psychological needs of children and adolescents with eating disorders (ED) directed toward their mothers. Patients with ED have low self-assertion and various abnormal eating behaviors. Therefore, mothers face difficulty in understanding their children's psychological needs, and the mother-child relationship is sometimes strained. We developed a One-Message Question (OMQ)-structured interview. The OMQ was easy to answer, and it helped the patients with ED. We examined the relationship between psychological needs and illness phase of the children and adolescents, and we discuss the viability of implementing the OMQ in clinical settings. The subjects were 23 patients and their parents. Their parents were just asked about the patients' background. The mean age of the patients was 15.8 years, and the average age of ED onset was 13.5 years. The EDs were anorexia nervosa (n=20) and bulimia nervosa (n=3). The phases of patients' illness were identified as anorexic (n=5), bulimic (n=7), chronic (n=3), and stable (n=8). All subjects provided specific responses to the OMQ-structured interview. Data analyses revealed the following seven categories of patients' psychological needs directed toward their mothers:attachment, cooperation in meeting their goals, longing for love, changing attitude toward family members, respect for self-reliance, expression of apology, and expression of appreciation. These findings suggested that the OMQ-structured interview may prove useful for mothers to understand their children's psychological needs and may encourage positive interactions as a foundation for future recovery.
Keywords family support mother-child relationships eating disorders in children and adolescents interview methods team approach
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 185
End Page 192
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709716
Web of Science KeyUT 000292017500005
JaLCDOI 10.18926/AMO/46629
FullText URL 65_3_179.pdf
Author Teramen, Hirotake| Tsukuda, Kazunori| Tanaka, Norimitsu| Ueno, Tsuyoshi| Kubo, Takafumi| Ando, Midori| Soh, Junichi| Asano, Hiroaki| Pass, Harvery I.| Toyooka, Shinichi| Miyoshi, Shinichiro|
Abstract Suppression of p21 has been implicated in the genesis and progression of many human malignancies. DNA methylation is an important mechanism of gene silencing in human malignancies. In this study, we examined the expression status and aberrant methylaion of p21 in lung cancers and malignant pleural mesotheliomas (MPM). We used 12 small cell lung cancer (SCLC) cell lines, 13 non-small cell lung cancer (NSCLC) cell lines, 50 primary NSCLCs, 6 MPM cell lines and 10 primary MPMs. The expression and methylation of p21 was examined by reverse transcription-PCR (RT-PCR), Western blotting and methylation-specific PCR (MSP) assay. Loss of p21 protein expression was observed in 7 SCLC cell lines (58.3%), 5 NSCLC cell lines (38.5%) and 3 MPM cell lines (50%) while mRNA expression was lost in 2 SCLC cell lines (16.7%), 2 NSCLC cell lines (15.4%) and none of the MPM cell lines. Aberrant methylation of p21 was found in 8.3% of SCLC cell lines, 30.2% of NSCLCs and 6.3% of MPMs. Among primary NSCLCs, methylation in adenocarcinomas was significantly more frequent than in squamous cell carcinomas. Loss of p21 expression was frequently observed in lung cancers and MPMs and aberrant methylation was one of the mechanisms of suppression of p21, especially in NSCLCs.
Keywords p21 methylation lung cancer mesothelioma
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 179
End Page 184
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709715
Web of Science KeyUT 000292017500004
JaLCDOI 10.18926/AMO/46628
FullText URL 65_3_169.pdf
Author Takeda, Masanori| Nagasaka, Takeshi| Dong-Sheng, Sun| Nishie, Hiroyuki| Oka, Tetsuhiro| Yamada, Eiji| Mori, Yoshiko| Shigeyasu, Kunitoshi| Morikawa, Tatsuya| Mizobuchi, Satoshi| Fujiwara, Toshiyoshi|
Abstract Secreted frizzled-related protein 2, (SFRP2) is a Wnt inhibitor whose promoter CpGs were recently found to be methylated at high frequency in colorectal cancers (CRCs). We hypothesized that the pattern of SFRP2 methylation may differ throughout the promoter during progressive tumorigenesis. Using combined bisulfite restriction analysis (COBRA), two methylation-sensitive regions (Regions A and B) of the SFRP2 promoter were investigated in 569 specimens of colorectal tissue:222 CRCs, 103 adenomatous polyps (APs), 208 normal colonic mucosa from CRC patients (N-Cs), and 36 normal colonic mucosa from subjects with no evidence of colorectal neoplasia at colonoscopy (N-Ns). Extensive (including both Regions A and B) and partial (either Region A or B) SFRP2 methylation levels were found in 61.7% and 24.8% of CRCs, 8.7% and 37.9% of APs, 3.9% and 39.9% of N-Cs, and 0% and 30.6% of N-Ns, respectively. Extensive methylation of the SFRP2 promoter was present primarily in CRCs, while partial methylation was common in APs. Whereas APs with the KRAS mutant showed no correlation to any pattern of SFRP2 methylation, extensive methylation of the SFRP2 promoter was significantly associated with KRAS mutant CRCs (p<.0001), suggesting that genetic alteration in the RAS-RAF pathway might precede the spread of CpG methylation through the SFRP2 promoter, which is observed in over 60% of advanced colorectal tumors.
Keywords BRAF/KRAS mutations promoter methylation colorectal cancer
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 169
End Page 177
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709714
Web of Science KeyUT 000292017500003
JaLCDOI 10.18926/AMO/46627
FullText URL 65_3_163.pdf
Author Arai, Minako| Takata, Ken| Takeda, Yoshimasa| Mizobuchi, Satoshi| Morita, Kiyoshi|
Abstract The mechanism of oxygen toxicity for central nervous system and hyperbaric oxygen (HBO) seizure has not been clarified. Noradrenergic cells in the brain may contribute to HBO seizure. In this study, we defined the activation of noradrenergic cells during HBO exposure by c-fos immunohistochemistry. Electroencephalogram electrodes were pre-implanted in all animals under general anesthesia. In HBO seizure animals, HBO was induced with 5 atm of 100% oxygen until manifestation of general tonic convulsion. HBO non-seizure animals were exposed to 25 min of HBO. Control animals were put in the chamber for 120 min without pressurization. All animals were processed for c-fos immunohistochemical staining. All animals in the HBO seizure group showed electrical discharge on EEG. In the immunohistochemistry, c-fos was increased in the A1, A2 and A6 cells of the HBO seizure group, and in the A2 and A6 cells of the HBO non-seizure group, yet was extremely low in all three cell types in the control group. These results suggest the participation of noradrenaline in HBO seizure, which can be explained by the early excitement of A1 cells due to their higher sensitivity to high blood pressure, hyperoxia, or by the post-seizure activation of all noradrenergic cells.
Keywords hyperbaric oxygen seizure noradrenergic cells immunohistochemistry
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 163
End Page 168
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709713
Web of Science KeyUT 000292017500002
JaLCDOI 10.18926/AMO/46626
FullText URL 65_3_151.pdf
Author Fujiwara, Toshiyoshi|
Abstract Replication-selective tumor-specific viruses constitute a novel approach for treatment of neoplastic disease. These vectors are designed to induce virus-mediated lysis of tumor cells after selective viral propagation within the tumor. Human telomerase is highly active in more than 85オ of primary cancers, regardless of their tissue origins, and its activity correlates closely with human telomerase reverse transcriptase (hTERT) expression. We constructed an attenuated adenovirus 5 vector (Telomelysin, OBP-301), in which the hTERT promoter element drives expression of E1 genes. Since only tumor cells that express telomerase activity would activate this promoter, the hTERT proximal promoter would allow for preferential expression of viral genes in tumor cells, leading to selective viral replication and oncolytic cell death. Lymphatic invasion is a major route for cancer cell dissemination, and adequate treatment of locoregional lymph nodes is required for curative treatment in patients with gastrointestinal tumors. We demonstrated that intratumoral injection of Telomelysin mediates effective in vivo purging of metastatic tumor cells from regional lymph nodes. Moreover, using noninvasive whole-body imaging, we found that intratumoral injection of Telomelysin followed by regional irradiation induces a substantial antitumor effect, resulting from tumor cell-specific radiosensitization, in an orthotopic human esophageal cancer xenograft model. These results illustrate the potential of oncolytic virotherapy as a promising strategy in the management of human gastrointestinal cancer.
Keywords telomerase adenovirus metastasis lymph node colorectal cancer
Amo Type Review
Publication Title Acta Medica Okayama
Published Date 2011-06
Volume volume65
Issue issue3
Publisher Okayama University Medical School
Start Page 151
End Page 162
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21709712
Web of Science KeyUT 000292017500001
JaLCDOI 10.18926/AMO/45274
FullText URL 65_2_143.pdf
Author Kobayashi, Yasuyuki| Saika, Takashi| Manabe, Daisuke| Nasu, Yasutomo| Kumon, Hiromi|
Abstract We analyzed the prognostic factors influencing survival after surgeries for upper urinary tract urothelial carcinoma (UUT-UC) with longer follow-up periods than in previous studies. Between January 2000 and December 2004, 386 patients underwent nephroureterectomy for UUT-UC. The data for the 221 patients with UUT-UC were retrospectively reviewed. Nine variables were evaluated for association with the survival outcomes of cause-specific survival. The prognostic significance was tested univariately with the log-rank test. The simultaneous effects of multiple prognostic factors were estimated by multiple regression analysis using the Cox proportional hazards model. The median follow-up was 38.4 months. The 5-year over all survival was 62.3%. Significant prognostic factors for disease-specific survival rate on univariate analysis were pathological stage (p0.0001), tumor grade (p0.0324), and venous invasion (p0.0001). Multivariate analysis revealed that only venous invasion was significant for disease-specific survival rate (p0.0205). Venous invasion was the only independent prognostic factor in pathologically localized UUT-UC.
Keywords nephroureterectomy transitional cell carcinoma upper urinary tract
Amo Type Corrected and Republished Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 143
End Page 149
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 20200581
Web of Science KeyUT 000289818800011
JaLCDOI 10.18926/AMO/45273
FullText URL 65_2_135.pdf
Author Matsuo, Toshihiko| Himei, Kengo| Ishii, Keita| Ichimura, Kouichi| Yanai, Hiroyuki| Nose, Soichiro| Mimura, Tetsushige|
Abstract An 18-year-old woman with a 2-year history of hypertension and headache was diagnosed with noradrenalin-secreting bilateral adrenal pheochromocytomas with paragangliomas in the background of von Hippel-Lindau disease with family histories and a missense mutation, 712C to T (Arg167Trp) in the VHL gene. She had optic disc hemangioma in the left eye which gradually enlarged and caused serous retinal detachment on the macula in one year. Low-dose external beam radiation (20 Gy) was administered to the left eye using a lens-sparing single lateral technique. She underwent craniotomy for cerebellar hemangioblastoma at the age of 22 years and total pancreatectomy for multiple neuroendocrine tumors at the age of 24 years. In the 6-year follow-up period after the radiotherapy, the optic disc hemangioma gradually reduced in size and its activity remained low, allowing good central vision to be maintained. External beam radiation is recommended as a treatment option for the initial therapy for optic disc hemangioma.
Keywords retinal (papillary, optic disc) hemangioma von Hippel-Lindau disease pheochromocytoma pancreatic neuroendocrine tumor external beam radiation (radiotherapy)
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 135
End Page 141
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519372
Web of Science KeyUT 000289818800010
JaLCDOI 10.18926/AMO/45272
FullText URL 65_2_129.pdf
Author Toyota, Noriko| Ogawa, Daisuke| Ishii, Keita| Hirata, Kyoji| Wada, Jun| Shikata, Kenichi| Makino, Hirofumi|
Abstract A 62-year-old woman with a history of poorly controlled type 2 diabetes mellitus was admitted to our hospital with a 3-week history of mild fever, vomiting, and anorexia. Abdominal computed tomography (CT) showed bilateral hydronephrosis and gas accumulation in the urinary bladder wall and left ureter. Laboratory tests showed leukocytosis and elevated C-reactive protein level. Urine culture showed heavy growth of Escherichia coli. The final diagnosis was emphysematous cystitis. The patient was treated with systemic antibiotics and drainage using a urethral catheter. The clinical and radiographic findings resolved rapidly, and she was discharged from the hospital on day 28. Emphysematous cystitis is a relatively rare urinary tract infection associated with gas formation, and has the potential for a serious outcome if untreated. Early detection by imaging studies such as CT is important in providing prompt treatment and favorable clinical outcome.
Keywords computed tomography diabetes mellitus emphysematous cystitis
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 129
End Page 133
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519371
Web of Science KeyUT 000289818800009
JaLCDOI 10.18926/AMO/45271
FullText URL 65_2_123.pdf
Author Hengpraprom, Sarunya| Sithisarankul, Pornchai|
Abstract The purpose of this research was to develop tools applicable to the Health Impact Assessment (HIA) in Environmental Impact Assessment (EIA) in a Thai context. The relevant documents and articles were extensively reviewed, analyzed, and drafted. The first draft was presented to a research advisory committee for their review, and the recommended changes were subsequently made. The second draft was then presented to respondents from 6 groups of key stakeholders-expert review committees under the Office of Natural Resources and Environmental Policy and Planning (ONREPP), EIA registered consulting firms, non-government organizations, members of the ONREPP, local government organizations, and government organizations responsible for issuing permission to the proposed projects. Their commentary and recommendation were considered, and modifications were made as necessary. The third draft was finally reviewed by the research advisory committee before the tryout step. The final revised version is presented in this paper.
Keywords tools HIA in EIA Thailand
Amo Type Short Communication
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 123
End Page 128
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519370
Web of Science KeyUT 000289818800008
JaLCDOI 10.18926/AMO/45270
FullText URL 65_2_113.pdf
Author Morikawa, Toshio| Yamamoto, Yuji| Miyaishi, Satoru|
Abstract We have developed a new method for sex determination based on simultaneous detection of the SRY (sex-determining region Y), STS (steroid sulfatase) and amelogenin (AMELX and AMELY) gene regions and their homologous sequences. The sex of 246 blood samples was correctly determined by this method. An AMELY-deleted male sample, which would have been erroneously considered female based solely on analysis of the amelogenin locus, was successfully identified as male by the present method. The detection limit of this method was 63 pg of genomic DNA, and the male DNA component could be detected from mixed samples having a male:female ratio as low as 1:10. This method was useful for degraded DNA and possessed the human specificity. Practical application to 35 autopsy cases is described.
Keywords sex determination SRY (sex-determining region Y) multiplex PCR forensic casework
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 113
End Page 122
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519369
Web of Science KeyUT 000289818800007
JaLCDOI 10.18926/AMO/45269
FullText URL 65_2_105.pdf
Author Tsuzuki, Takao| Okada, Hiroyuki| Nasu, Junichiro| Takenaka, Ryuta| Inoue, Masafumi| Kawano, Seiji| Kita, Masahide| Hori, Keisuke| Yamamoto, Kazuhide|
Abstract The objectives of this study were to evaluate the accuracy of endoscopic ultrasonography (EUS) in local and regional staging of early gastric cancer, to analyze the factors influencing the accuracy of EUS, and to reveal the usefulness and problems of EUS in pre-treatment staging of gastric cancer. We examined 105 lesions in 104 patients with histologically confirmed gastric cancer and retrospectively evaluated them with EUS. The diagnostic accuracy, sensitivity, and specificity of EUS were determined by comparing the pre-treatment EUS with the postoperative histopathological findings. The overall diagnostic accuracy of EUS for the depth of cancer invasion was 86%. The overall sensitivity and specificity were 60% and 96%, respectively. The accuracy significantly declined in lesions located in the upper-third of the stomach (70%). Type 0-I lesions tended to be over-staged (12&), and the upper-third lesions tended to be under-staged (23%). The accuracy significantly declined in differentiated adenocarcinoma with massive submucosal invasion (56.5%). EUS is useful for evaluating the depth of gastric cancer invasion which determines the feasibility of endoscopic treatment. However, it is noteworthy that the diagnostic accuracy of the invasion depth diminished for lesions in the upper third of the stomach.
Keywords endoscopic ultrasonography early gastric cancer accuracy sensitivity specificity
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 105
End Page 112
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519368
Web of Science KeyUT 000289818800006
JaLCDOI 10.18926/AMO/45268
FullText URL 65_2_97.pdf
Author Tsuchihashi, Yuuki| Yorifuji, Takashi| Takao, Soshi| Suzuki, Etsuji| Mori, Shigeru| Doi, Hiroyuki| Tsuda, Toshihide|
Abstract Seasonal influenza infection is a major challenge in public health. The term "seasonal influenza" refers to the typical increase in the number of influenza patients in the winter season in temperature zones. However, it is not clear how environmental factors within a single flu season affect influenza infection in a human population. Therefore, we evaluated the effects of temperature and humidity in the 2006-7 flu season on the onset of seasonal influenza using a case-crossover study. We targeted patients who attended one pediatric clinic in Okayama city, Japan and who were diagnosed as being infected with the seasonal influenza virus. Using 2 references (time-stratified and symmetric bidirectional design), we estimated the effects of average temperature and relative humidity from the onset day (lag0) to 10 days before (lag10). The total number of subjects was 419, and their onset days ranged from 26 December 2006 to 30 April 2007. While the onset was significantly associated with lower temperature, relative humidity was not related. In particular, temperatures before the 3-day incubation period had higher-magnitude odds ratios. For example, the odds ratio and 95% confidence interval for average temperature at time lag 8 was 1.12 (1.08-1.17) per 1.0℃ decrease. Low environmental temperature significantly increased the risk of seasonal influenza onset within the 2006-7 winter season.
Keywords seasonal influenza in humans temperature humidity case-crossover study
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 97
End Page 103
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519367
Web of Science KeyUT 000289818800005
JaLCDOI 10.18926/AMO/45267
FullText URL 65_2_91.pdf
Author Nagamatsu, Tomohiro| Sakoda, Akihiro| Kataoka, Takahiro| Ono, Toshiro| Yamaoka, Kiyonori|
Abstract No research has been conducted on the radiation influence of tobacco on the alimentary system, although there have been some previous works on the respiratory system. In this study, the radioactive concentrations of 210Pb and 40K in a cigarette sample were first measured. The transfer factors of the nuclides from tobacco into smoke and solution (saliva and/or alcohol) were then examined. Moreover, the radiation doses from smoke inhalation were also evaluated. The radioactive concentrations of 210Pb and 40K in the cigarette tobacco were 0.01 and 0.3 Bq/cigarette. Since this 210Pb activity and the 210Po activity previously reported for the same sample were comparable, it can be concluded that there was a radioactive equilibrium between the 2 nuclides. The observed transfer factor of 210Pb (12%) into smoke was almost the same as that of 40K (15%), whereas the reported value for 210Po (60%) was significantly higher. The radiation doses due to inhalation of cigarette smoke varied from organ to organ, depending on the organotropic properties of the nuclide. For example, the kidneys, respiratory tract, and spleen showed relatively high doses from 210Pb and 210Po. The leaching rates indicated an inconsistent tendency related to solution types. This result could suggest that alcohol drinking, which is common in smokers, does not especially enhance the leaching characteristics.
Keywords tobacco radionuclides smoking intake radiation exposure
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 91
End Page 95
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519366
Web of Science KeyUT 000289818800004
JaLCDOI 10.18926/AMO/45266
FullText URL 65_2_81.pdf
Author Sasaki, Motofumi| Shikata, Kenichi| Okada, Shinichi| Miyamoto, Satoshi| Nishishita, Shingo| Usui Kataoka, Hitomi| Sato, Chikage| Wada, Jun| Ogawa, Daisuke| Makino, Hirofumi|
Abstract Glomerular hyperfiltration is a common pathway leading to glomerulosclerosis in various kinds of kidney diseases. The 5/6 renal ablation is an established experimental animal model for glomerular hyperfiltration. On the other hand, low-grade inflammation is also a common mechanism for the progression of kidney diseases including diabetic nephropathy and atherosclerosis. Here we analyzed the gene expression profile in the remnant kidney tissues of 5/6 nephrectomized mice using a DNA microarray system and compared it with that of sham-operated control mice. The 5/6 nephrectomized mice showed glomerular hypertrophy and an increase in the extracellular matrix in the glomeruli. DNA microarray analysis indicated the up-regulated expression of various kinds of genes related to the inflammatory process in remnant kidneys. We confirmed the up-regulated expression of platelet factor-4, and monocyte chemoattractant protein-1, 2, and 5 in remnant kidneys by RT-PCR. The current results suggest that the inflammatory process is involved in the progression of glomerulosclerosis and is a common pathway of the pathogenesis of kidney disease.
Keywords kidney inflammation chemokine
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 81
End Page 89
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519365
Web of Science KeyUT 000289818800003
JaLCDOI 10.18926/AMO/45265
FullText URL 65_2_71.pdf
Author Sato, Kimiko| Oda, Megumi|
Abstract A questionnaire survey was administered to 317 parents who attended infant health check-ups in City B, Okayama Prefecture between October, 2008 and March, 2009. The questionnaire survey studied 7 factors based on the PRECEDE-PROCEED Model. We analysed factors that affected oral health behaviour and attendance at scheduled dental health check-ups. The survey containing 22 items concerning matters such as 'QOL' and 'health problems' was posted to parents and guardians in advance, and then collected on the day of the medical check-up. The collected data was analysed using the t-test and Pearson's correlation coefficient, following which we conducted a covariance structure analysis. The results showed that dental health behaviour was directly affected by reinforcing factors, and indirectly associated with enabling and predisposing factors influenced by reinforcing factors. It was also shown that predisposing factors and oral health behaviour were associated with attendance at scheduled oral health check-ups. The results indicated that strengthening oral health education by sharing knowledge that acts as predisposing factors and introducing adaptations of oral health behaviour that that fit individual lives will lead to improved attendance at scheduled dental health check-ups.
Keywords PRECEDE-PROCEED model dental check-ups dental health behaviour
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 71
End Page 80
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519364
Web of Science KeyUT 000289818800002
JaLCDOI 10.18926/AMO/45264
FullText URL 65_2_63.pdf
Author Mizoguchi, Yoshinori| Suzuki, Etsuji| Tsuchida, Hiroaki| Tsuda, Toshihide| Yamamoto, Eiji| Nakase, Katsumi| Doi, Hiroyuki|
Abstract There have been only 2 reports of a large-scale foodborne outbreak arising from Salmonella enterica serotype Braenderup infection worldwide. On August 9, 2008, an outbreak originating in boxed lunches occurred in Okayama, Japan. We conducted a cohort study of 786 people who received boxed lunches from a particular catering company and collected 644 questionnaires (response rate:82%). Cases were defined as those presenting with diarrhea (≧4 times in 24h) or fever (≧38℃) between 12 am on August 8 and 12 am on August 14. We identified 176 cases (women/men:39/137);younger children (aged<10 years) appeared to more frequently suffer severe symptoms. Three food items were significantly associated with higher risk of illness;tamagotoji (soft egg with mixed vegetables and meat) (relative risk (RR):11.74, 95% confidence interval (CI):2.98-46.24), pork cooked in soy sauce (RR:3.17, 95% CI:1.24-8.10), and vinegared food (RR:4.13, 95% CI:1.60-10.63). Among them, only the RR of tamagotoji was higher when we employed a stricter case definition. Salmonella Braenderup was isolated from 5 of 9 sampled cases and 6 food handlers. It is likely that unpasteurized liquid eggs contaminated by Salmonella Braenderup and used in tamagotoji caused this outbreak.
Keywords boxed lunch cohort study foodborne diseases Salmonella Braenderup unpasteurized liquid eggs
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 63
End Page 69
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519363
Web of Science KeyUT 000289818800001
JaLCDOI 10.18926/AMO/43832
FullText URL 65_1_59.pdf
Author Yasuhara, Takao| Miyoshi, Yasuyuki| Date, Isao|
Abstract A case of a Chiari malformation with an extraordinarily thick occipital bone is described. The thick occipital bone might make the posterior fossa narrow with consequent herniation of the cerebellar tonsils to the foramen magnum and formation of a syrinx. At dural plasty, well-developed marginal and occipital sinuses should be deliberately handled with the preservation of normal venous drainage. This case gives us the essence of the occurrence mechanisms of Chiari malformation and foramen magnum decompression.
Keywords Chiari malformation dural plasty foramen magnum decompression syrinx venous drainage
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2011-02
Volume volume65
Issue issue1
Publisher Okayama University Medical School
Start Page 59
End Page 61
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21339798
Web of Science KeyUT 000287620500009