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Sairyo M, Masuda D, Kobayashi T, Matsuda H, Okada T, Kawase R, Nakatani K, Koseki M, Ohama T, Nishida M, Sakata Y, Yamashita S. DPP4 inhibitor, anagliptin, ameliorates fasting and postprandial hypertriglyceridemia. Atherosclerosis 2016. [DOI: 10.1016/j.atherosclerosis.2016.07.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kazuki K, Okada T, Naka Y. Case of Trigger Finger Related to an Intertendinous Connection between the Flexor Tendons. ACTA ACUST UNITED AC 2016; 30:513-4. [PMID: 16051401 DOI: 10.1016/j.jhsb.2005.06.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2005] [Accepted: 06/03/2005] [Indexed: 11/28/2022]
Abstract
We report a rare cause of trigger finger related to an anatomical variation of an intertendinous connection between the flexor digitorum superficialis and flexor digitorum profundus tendons in the palmar region.
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Okawa R, Iijima O, Kishino M, Okawa H, Toyosawa S, Sugano-Tajima H, Shimada T, Okada T, Ozono K, Ooshima T, Nakano K. Gene therapy improves dental manifestations in hypophosphatasia model mice. J Periodontal Res 2016; 52:471-478. [PMID: 27561677 DOI: 10.1111/jre.12412] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2016] [Indexed: 01/31/2023]
Abstract
BACKGROUND AND OBJECTIVE Hypophosphatasia is a rare inherited skeletal disorder characterized by defective bone mineralization and deficiency of tissue non-specific alkaline phosphatase (TNSALP) activity. The disease is caused by mutations in the liver/bone/kidney alkaline phosphatase gene (ALPL) encoding TNSALP. Early exfoliation of primary teeth owing to disturbed cementum formation, periodontal ligament weakness and alveolar bone resorption are major complications encountered in oral findings, and discovery of early loss of primary teeth in a dental examination often leads to early diagnosis of hypophosphatasia. Although there are no known fundamental treatments or effective dental approaches to prevent early exfoliation of primary teeth in affected patients, several possible treatments have recently been described, including gene therapy. Gene therapy has also been applied to TNSALP knockout mice (Alpl-/- ), which phenocopy the infantile form of hypophosphatasia, and improved their systemic condition. In the present study, we investigated whether gene therapy improved the dental condition of Alpl-/- mice. MATERIAL AND METHODS Following sublethal irradiation (4 Gy) at the age of 2 d, Alpl-/- mice underwent gene therapy using bone marrow cells transduced with a lentiviral vector expressing a bone-targeted form of TNSALP injected into the jugular vein (n = 3). Wild-type (Alpl+/+ ), heterozygous mice (Alpl+/- ) and Alpl-/- mice were analyzed at 9 d of age (n = 3 of each), while Alpl+/+ mice and treated or untreated Alpl-/- mice were analyzed at 1 mo of age (n = 3 of each), and Alpl+/- mice and Alpl-/- mice with gene therapy were analyzed at 3 mo of age (n = 3 of each). A single mandibular hemi-section obtained at 1 mo of age was analyzed using a small animal computed tomography machine to assess alveolar bone formation. Other mandibular hemi-sections obtained at 9 d, 1 mo and 3 mo of age were subjected to hematoxylin and eosin staining and immunohistochemical analysis of osteopontin, a marker of cementum. RESULTS Immunohistochemical analysis of osteopontin, a marker of acellular cementum, revealed that Alpl-/- mice displayed impaired formation of cementum and alveolar bone, similar to the human dental phenotype. Cementum formation was clearly present in Alpl-/- mice that underwent gene therapy, but did not recover to the same level as that in wild-type (Alpl+/+ ) mice. Micro-computed tomography examination showed that gene therapy improved alveolar bone mineral density in Alpl-/- mice to a similar level to that in Alpl+/+ mice. CONCLUSIONS Our results suggest that gene therapy can improve the general condition of Alpl-/- mice, and induce significant alveolar bone formation and moderate improvement of cementum formation, which may contribute to inhibition of early spontaneous tooth exfoliation.
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Okada T, Kimura A, Kanki K, Nakatani S, Nagahara Y, Hiraga M, Watanabe Y. Liver Resident Macrophages (Kupffer Cells) Share Several Functional Antigens in Common with Endothelial Cells. Scand J Immunol 2016; 83:139-50. [PMID: 26678711 DOI: 10.1111/sji.12402] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 12/05/2015] [Indexed: 12/21/2022]
Abstract
The identification and specific functions of Kupffer cells (KCs), a liver resident macrophage subpopulation, are still unclear. We compared KCs with peritoneal macrophages using cDNA microarray analysis and found that these cells share some antigens with endothelial cells. KCs highly express VCAM-1 and VEGF receptors (VEGF-Rs) at transcriptional and protein levels. VCAM-1 mediates the functional binding of KCs with lymphocytes and induces KC activation. Among the VEGF receptors, VEGF-R2 and VEGF-R3 were expressed on the KCs, while VEGF-R1 was expressed on other tissue macrophage subsets. VEGF120, a ligand of both VEGF-R1 and VEGF-R2, transduced strong survival and chemotactic signals through the KCs, when compared to PIGF, a VEGF-R1 ligand, indicating that VEGF-R2 plays significant roles in regulating KC activities. Expression of the VEGF-Rs was regulated by TLR4 signalling. These results suggest that the function of KCs is partly regulated by the common antigens shared with endothelial cells.
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Atsumi T, Yamamoto K, Takeuchi T, Yamanaka H, Ishiguro N, Tanaka Y, Eguchi K, Watanabe A, Origasa H, Shoji T, Togo O, Okada T, van der Heijde D, Miyasaka N, Koike T. THU0157 Clinical Outcomes at Week 104 and Analysis of Associated Baseline Factors after An Initial 1 Year of Certolizumab Pegol and MTX Treatment in MTX-Naïve Patients with Early RA: Results from The Second Year of The C-Opera Study. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Mehemed TM, Fushimi Y, Okada T, Kanagaki M, Yamamoto A, Okada T, Takakuwa T, Yamada S, Togashi K. MR Imaging of the Pituitary Gland and Postsphenoid Ossification in Fetal Specimens. AJNR Am J Neuroradiol 2016; 37:1523-7. [PMID: 27127005 DOI: 10.3174/ajnr.a4808] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Accepted: 01/20/2016] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE A thorough knowledge of fetal growth and development is key to understanding both the normal and abnormal fetal MR imaging findings. We investigated the size and signal intensity of the normal pituitary gland and the intrasphenoidal ossification around the Rathke pouch in formalin-fixed fetuses on MR imaging. MATERIALS AND METHODS Thirty-two fetuses with undamaged brains were included in this study (mean age, 19.93 weeks; age range, 12-31 weeks). Visual inspection of the pituitary and ossification around the Rathke pouch in the sphenoid bone or the postsphenoid ossification was conducted. The extent of pituitary and postsphenoid ossification, pituitary/pons signal ratio, and postsphenoidal ossification/sphenoid bone signal ratio was compared according to gestational age. RESULTS The pituitary gland was identified as a hyperintense intrasellar structure in all cases, and postsphenoid ossification was identified as an intrasphenoidal hyperintense area in 27 of the 32 cases (84%). The mean pituitary/pons signal ratio was 1.13 ± 0.18 and correlated weakly with gestational age (R(2) = 0.243), while the mean postsphenoid ossification/sphenoid bone signal ratio was 2.14 ± 0.56 and did not show any increase with gestational age (R(2) = 0.05). No apparent change in the size of pituitary hyperintensity was seen with gestational age (R(2) = 0.001). Postsphenoid ossification showed an increase in size with gestational age (R(2) = 0.307). CONCLUSIONS The fetal pituitary gland was hyperintense on T1-weighted images and the pituitary/pons ratio and extent of postsphenoid ossification correlated weakly with gestational age.
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Kimura H, Onishi Y, Sunada S, Kishi S, Suzuki N, Tsuboi C, Yamaguchi N, Imai H, Kamei H, Fujisiro H, Okada T, Ishigami M, Ogura Y, Kiuchi T, Ozaki N. Postoperative Psychiatric Complications in Living Liver Donors. Transplant Proc 2016; 47:1860-5. [PMID: 26293064 DOI: 10.1016/j.transproceed.2015.06.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 06/02/2015] [Accepted: 06/16/2015] [Indexed: 01/16/2023]
Abstract
BACKGROUND To understand the impact of psychologic variables on donor quality of life, we studied long-term data on postoperative psychiatric complications in living liver donors. This study is a focused psychological investigation of diagnoses, treatments, and long-term clinical courses of living liver donors with psychiatric complications. METHODS Of the 142 donors who underwent live-donor liver transplantation at Nagoya University Hospital between April 2004 and July 2014, we investigated those without a history of mental illness who had developed such illness after transplantation and required psychiatric treatment. RESULTS A total of 6 (4.2%) donors developed the following psychiatric complications after transplantation: major depressive disorder (n = 2), panic disorder (n = 2), conversion disorder (n = 1), and substance use disorder (n = 1). Concerning psychiatric treatment, all donors received antianxiety drugs, 3 took antidepressants, and supportive psychiatric therapy was concomitantly provided to all subjects. The average treatment period was 53.3 months. Regarding subject outcomes, 3 donors achieved remission, and the other 3 continued treatment. All subjects showed improvement in Global Assessment of Functioning Scale. CONCLUSION It is important to accurately diagnose postoperative psychiatric complications and provide long-term treatment in close coordination with transplant surgeons.
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Iihara N, Bando Y, Ohara M, Yoshida T, Nishio T, Okada T, Kirino Y. Polypharmacy of medications and fall-related fractures in older people in Japan: a comparison between driving-prohibited and driving-cautioned medications. J Clin Pharm Ther 2016; 41:273-8. [DOI: 10.1111/jcpt.12381] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 02/22/2016] [Indexed: 12/12/2022]
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Daniels NJ, Hyde E, Ghosh S, Seo K, Price KM, Hoshino K, Kaisho T, Okada T, Ronchese F. Antigen-specific cytotoxic T lymphocytes target airway CD103+ and CD11b+ dendritic cells to suppress allergic inflammation. Mucosal Immunol 2016; 9:229-39. [PMID: 26104914 DOI: 10.1038/mi.2015.55] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 05/19/2015] [Indexed: 02/04/2023]
Abstract
Allergic airway inflammation is driven by the recognition of inhaled allergen by T helper type 2 (Th2) cells in the airway and lung. Allergen-specific cytotoxic T lymphocytes (CTLs) can strongly reduce airway inflammation, however, the mechanism of their inhibitory activity is not fully defined. We used mouse models to show that allergen-specific CTLs reduced early cytokine production by Th2 cells in lung, and their subsequent accumulation and production of interleukin (IL)-4 and IL-13. In addition, treatment with specific CTLs also increased the proportion of caspase(+) dendritic cells (DCs) in mediastinal lymph node (MLN), and decreased the numbers of CD103(+) and CD11b(+) DCs in the lung. This decrease required expression of the cytotoxic mediator perforin in CTLs and of the appropriate MHC-antigen ligand on DCs, suggesting that direct CTL-DC contact was necessary. Lastly, lung imaging experiments revealed that in airway-challenged mice XCR1-GFP(+) DCs, corresponding to the CD103(+) DC subset, and XCR1-GFP(-) CD11c(+) cells, which include CD11b(+) DCs and alveolar macrophages, both clustered in the areas surrounding the small airways and were closely associated with allergen-specific CTLs. Thus, allergen-specific CTLs reduce allergic airway inflammation by depleting CD103(+) and CD11b(+) DC populations in the lung, and may constitute a mechanism through which allergic immune responses are regulated.
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Bessho A, Hosokawa S, Hotta K, Kudo K, Nogami N, Kuyama S, Gemba K, Inoue K, Okada T, Takigawa N, Tanimoto M, Kiura K. 453P Development of skin rash within the first week is a potential surrogate marker of effect in afatinib for EGFR mutant NSCLC: Okayama Lung Cancer Study Group Experience. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv532.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Nakajima S, Okada T, Yamamoto A, Kanagaki M, Fushimi Y, Okada T, Arakawa Y, Takagi Y, Miyamoto S, Togashi K. Differentiation between primary central nervous system lymphoma and glioblastoma: a comparative study of parameters derived from dynamic susceptibility contrast-enhanced perfusion-weighted MRI. Clin Radiol 2015; 70:1393-9. [DOI: 10.1016/j.crad.2015.08.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2014] [Revised: 06/06/2015] [Accepted: 08/10/2015] [Indexed: 11/17/2022]
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Ohashi Y, Tai R, Aoki T, Mizuiri S, Ogura T, Tanaka Y, Okada T, Aikawa A, Sakai K. The Associations of Malnutrition and Aging with Fluid Volume Imbalance between Intra- and Extracellular Water in Patients with Chronic Kidney Disease. J Nutr Health Aging 2015; 19:986-93. [PMID: 26624209 DOI: 10.1007/s12603-015-0658-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES Fluid imbalance due to sodium retention and malnutrition can be characterized by the ratio of extracellular water (ECW) to intracellular water (ICW). We investigated whether the ECW/ICW ratio is a risk factor for adverse outcomes. DESIGN Retrospective cohort study. SETTING AND PARTICIPANTS 149 patients with chronic kidney disease from 2005 to 2009, who were followed until August 2013. MEASUREMENTS Body fluid composition was measured by bioelectrical impedance analysis. Patients were categorized according to the ECW/ICW ratio tertile. Daily nutrient intake was estimated from 24-h dietary recall and analyzed using standard food composition tables. The main outcomes were adverse renal outcomes, as defined by a decline of 50% or more from the baseline glomerular filtration rate or initiation of renal replacement therapy, cardiovascular events, and all-cause mortality. RESULTS The ECW/ICW ratio increased with downward ICW slope with age and renal dysfunction besides ECW excess with massive proteinuria. Sodium intake, protein intake, and calorie intake were negatively correlated with the ECW/ICW ratios due to the steeper decreasing ICW content with the decreased dietary intake than the decreasing ECW content. During a median 4.9-year follow up, patients in the highest tertile had the worst adverse renal outcomes (15.9 vs. 5.1 per 100 patient-years, P < 0.001), cardiovascular events (4.1 vs. 0.3 per 100 patient-years, P = 0.002), and mortality (11.2 vs. 1.3 per 100 patient-years, P < 0.001). The adjusted hazard ratio (95% confidence intervals) for adverse renal outcomes, cardiovascular events, and mortality were 1.15 (1.03 - 1.26), 1.12 (0.93 - 1.31), and 1.29 (1.11 - 1.50), respectively. CONCLUSIONS Fluid imbalance between ICW and ECW occurring in malnourished and elderly patients with chronic kidney disease may explain the reserve capacity for volume overload and is associated with adverse renal outcomes and all-cause mortality.
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Kawamura M, Itoh Y, Kubota S, Okada T, Itoh J, Satake H, Naganawa S, Soematsu Y. Ultrasonography, Mammography, and MRI Changes After Intraoperative Radiation Therapy of Breast Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Yagi M, Kohno M, Asagiri K, Ikeda T, Okada T, Kanada S, Kawashima S, Goto Y, Takano S, Yasufuku M, Wada M. Twenty-year trends in neonatal surgery based on a nationwide Japanese surveillance program. Pediatr Surg Int 2015; 31:955-62. [PMID: 26319695 DOI: 10.1007/s00383-015-3775-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/06/2015] [Indexed: 10/23/2022]
Abstract
AIM To discuss the chronological changes observed in a national survey of neonatal surgery in Japan performed every 5 years by the Committee in the Japanese Society of Pediatric Surgeons. METHODS We analyzed the data obtained for 20 years from 1993 to 2013 and herein report the chronological changes. RESULTS The number of summarized cases was least in 1993, with 2806 cases, and subsequently increased to 3753 cases in 2013. The mortality rate among the patients with maternal transport linearly decreased (p = 0.0386). Although the proportion of extremely low birth weight infants linearly increased (p = 0.0014), with an annual rate of +0.39 %, the mortality rate linearly decreased (p = 0.0010), with an annual rate of -1.68 %. Moreover, the overall mortality rate linearly decreased (p = 0.0002), with an annual rate of -0.26 %. Most diseases were observed to exhibit a decline in the mortality rate with the same trend as overall mortality. The decline in the mortality rate was most robust with respect to congenital diaphragmatic hernia (CDH). The mortality rates, except for that of CDH, omphalocele, esophageal atresia, and intestinal perforation, declined to 5 % or lower by 2013. CONCLUSIONS The present findings may be the result of remarkable progress in perinatal management.
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Cui R, Yamagishi K, Imano H, Ohira T, Tanigawa T, Kiyama M, Okada T, Kitamura A, Iso H. Ankle-Brachial Index and the Risk of Cardiovascular Disease: The Circulatory Risk in Communities Study. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Okada T, Ikezoe R, Ichimura M, Hirata M, Yokoyama T, Iwamoto Y, Sumida S, Takeyama K, Jang S, Yoshikawa M, Kohagura J, Shima Y. Internal Measurement of Propagation of ICRF Waves by Using Reflectometers on GAMMA 10. FUSION SCIENCE AND TECHNOLOGY 2015. [DOI: 10.13182/fst14-898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Nakajima Y, Kawada K, Tokairin Y, Miyawaki Y, Okada T, Ryotokuji T, Fujiwara N, Saito K, Fujiwara H, Ogo T, Okuda M, Nagai K, Miyake S, Kawano T. Salvage chemoradiotherapy for locally advanced esophageal carcinomas. Dis Esophagus 2015; 28:460-7. [PMID: 24720357 DOI: 10.1111/dote.12217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
'Salvage chemoradiotherapy (CRT)' was introduced in 2005 to treat thoracic esophageal carcinomas deemed unresectable based on the intraoperative findings. The therapeutic concept is as follows: the surgical plan is changed to an operation that aims to achieve curability by the subsequent definitive CRT. For this purpose, the invading tumor is resected as much as possible, and systematic lymph node dissection is performed except for in the area around the bilateral recurrent nerves. The definitive CRT should be started as soon as possible and should be performed as planned. We hypothesized that this treatment would be feasible and provide good clinical effects. We herein verified this hypothesis. Twenty-seven patients who received salvage CRT were enrolled in the study, and their clinical course, therapeutic response, and prognosis were evaluated. The patients who had poor oral intake because of esophageal stenosis were able to eat solid food soon after the operation. The radiation field could be narrowed after surgery, and this might have contributed to the high rate of finishing the definitive CRT as planned. As a result, the overall response rate was 74.1%, and 48.1% of the patients had a complete response. No patient experienced fistula formation. The 1-, 3-, and 5-year overall survival rates were 66.5%, 35.2%, and 35.2%, respectively. Salvage CRT had clinical benefits, such as the fact that patients became able to have oral intake, that fistula formation could be prevented, that the adverse events associated with the definitive CRT could be reduced, and that prognosis of the patients was satisfactory. Although the rate of recurrent nerve paralysis was relatively high even after the suspension of aggressive bilateral recurrent nerve lymph node dissection, and the rate of the progressive disease after the definitive CRT was high, salvage CRT appears to provide some advantages for the patients who would otherwise not have other treatment options following a non-curative and residual operation.
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Nomura Y, Sugimoto K, Gotake Y, Yamanaka K, Sakamoto T, Muradi A, Okada T, Yamaguchi M, Okita Y. Comparison of Volumetric and Diametric Analysis in Endovascular Repair of Descending Thoracic Aortic Aneurysm. Eur J Vasc Endovasc Surg 2015; 50:53-9. [DOI: 10.1016/j.ejvs.2015.02.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Accepted: 02/26/2015] [Indexed: 11/25/2022]
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Atsumi T, Yamamoto K, Takeuchi T, Yamanaka H, Ishiguro N, Tanaka Y, Eguchi K, Watanabe A, Origasa H, Shoji T, Togo O, Okada T, van der Heijde D, Miyasaka N, Koike T. SAT0173 Baseline Parameters Identified in Early, Methotrexate-Naïve Rheumatoid Arthritis Patients with Better Outcomes with Certolizumab Pegol+Methotrexate Compared to Placebo+Methotrexate: Post-Hoc Analyses of C-OPERA, A Randomized, Controlled, Phase 3 Study. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ichie T, Urano K, Suzuki D, Okada T, Kobayashi N, Hayashi H, Sugiura Y, Yamamura K, Sugiyama T. Influence of cerebral fluid drainage on the pharmacokinetics of vancomycin in neurosurgical patients. DIE PHARMAZIE 2015; 70:404-409. [PMID: 26189303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The objective of this study was to retrospectively investigate the influence of cerebral fluid drainage on the serum concentrations and pharmacokinetic parameters of vancomycin (VCM). We analyzed 55 patients with normal renal function who had been hospitalized in the neurosurgical ward and received intravenous infusions of VCM. We compared the daily doses of VCM, serum VCM concentrations, serum concentration/dose ratio (C/D ratio), and pharmacokinetic parameters calculated using the Sawchuk-Zaske method between patients who underwent cerebral fluid drainage (drainage group) and controls (non-drainage group). The patients in the drainage group showed a significantly lower trough concentration of VCM (5.8 ± 3.3 μg/mL) than that shown by the non-drainage group (9.9 ± 5.4 μg/mL, p = 0.017). Further, the patients in the drainage group showed a significantly lower trough C/D ratio (0.32 ± 0.17) than that shown by the non-drainage group (0.50 ± 0.31, p = 0.047). In conclusion, cerebral fluid drainage may influence VCM pharmacokinetics. Our findings strongly suggest that a high dose of VCM is required to maintain optimal serum concentrations of VCM in patients managed with cerebral fluid drainage.
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Urushibata T, Kato I, Okada T, Takeyama I. Distribution of retinal ganglion cells projecting into the nucleus of the optic tract in rat. Adv Otorhinolaryngol 2015; 41:95-7. [PMID: 3213715 DOI: 10.1159/000416038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The present study indicates that visual signals responsible for OKN are conducted through the retinal ganglion cells mainly contralaterally, and only in the ventral region of the retina ipsilateral to the injection site. The retinal ganglion cells projecting into the NOT ipsilateral to the injection site were identified as small- and medium-sized cells in the rat. The density of the ventral ganglion cells of the retina contralateral to the injection site was lower than that in any other regions of the retina except for the dorsal region of the retina, and the density of the ventral ganglion cells ipsilateral to the injection site was about 4 times greater than that on the contralateral side. This finding requires physiological investigation in the future.
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Ueshima E, Yamaguchi M, Okada T, Muradi A, Sofue K, Koide Y, Katayama N, Sugimoto K. Angiographic classification of uterine artery in patients with postpartum hemorrhage. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Arakawa Y, Nakamoto Y, Okada T, Takeuchi Y, Minamiguchi S, Kunieda T, Takagi Y, Miyamoto S. NI-06 * MOLECULAR IMAGING OF PINEAL PARENCHYMAL TUMOR BY (68)Ga-DOTATOC-PET/C. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou264.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kamomae T, Itoh Y, Oguchi H, Komori M, Miyake Y, Okudaira K, Tomida M, Shiinoki T, Shimozato T, Asano A, Okada T, Kubota S, Itoh J, Nakahara R, Naganawa S. Dosimetric Influence of Dental Crowns on IMRT and VMAT for Head and Neck Cancer: Correlation Between Planned Radiation Doses and Measured Dose Enhancements. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Masuda D, Kobayashi T, Okada T, Nakaoka H, Kawase R, Nakatani K, Koseki M, Ohama T, Nishida M, Sakata Y, Yamashita S. Eicosapentaenoic acid ameriolates postprandial hypertriglyceridemia. Atherosclerosis 2014. [DOI: 10.1016/j.atherosclerosis.2014.05.281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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