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Ohbayashi Y, Nakai F, Iwasaki A, Nakai Y, Httori Y, Yamamoto, Nishiyama Y, Miyake M. The predictability of bisphosphonate-related osteonecrosis of the jaw using a quantitative analysis of bone scintigraphy. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Uchikawa Y, Mori K, Shiigai M, Konishi T, Hoshiai S, Ishigro T, Hiyama T, Nakai Y, Minami M. Double Coaxial Microcatheter Technique for Glue Embolization of Renal Arteriovenous Malformations. Cardiovasc Intervent Radiol 2015; 38:1277-83. [PMID: 26253779 DOI: 10.1007/s00270-015-1188-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2015] [Accepted: 07/04/2015] [Indexed: 11/29/2022]
Abstract
PURPOSE To demonstrate the technical benefit of the double coaxial microcatheter technique for embolization of renal arteriovenous malformations (AVMs) with n-butyl cyanoacrylate and iodized oil (glue). MATERIALS AND METHODS Six consecutive patients (1 man and 5 women; mean age 61 years; range 44-77 years) with renal AVMs were included. Five patients had hematuria, and one had a risk of heart failure due to a large intrarenal arteriovenous shunt. All patients underwent transarterial embolization using glue and the double coaxial microcatheter technique with outer 2.6F and inner 1.9F microcatheters. After glue injection, the inner microcatheter was retracted, while the outer microcatheter was retained. We assessed the complications and clinical outcomes of this technique. RESULTS Technical success was achieved in all patients. In 9 sessions, 34 feeding arteries were embolized with glue using the double coaxial microcatheter technique, 1 was embolized with glue using a single microcatheter, and 2 were embolized with coils. The double coaxial microcatheter technique was useful for selecting small tortuous feeding arteries, preventing glue reflux to the proximal arteries, and approaching multiple feeding arteries without complete retraction of the microcatheters. As a minor complication, glue migrated into the venous system in four patients without any sequelae. In all patients, favorable clinical outcomes, including hematuria cessation in five patients and improvement of the large intrarenal arteriovenous shunt in one patient, were obtained without deterioration of renal function. CONCLUSION Glue embolization with the double coaxial microcatheter technique was useful for treating renal AVMs with multiple tortuous feeding arteries.
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Matsumura H, Ito Y, Nakai Y, Nakamura K, Shiigai M, Tsuruta W, Uemura K, Matsumura A. [A Case of Traumatic Carotid Cavernous Fistula Treated with a Single Procedure Selective Transarterial Embolization Using Hydrogel Coils]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 2015. [PMID: 26224466 DOI: 10.11477/mf.1436203109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A 30-year-old man was admitted to our hospital after a bicycle accident. Proptosis, conjunctival congestion, and orbital vascular bruit appeared one month after the accident. Neuroradiological findings showed a traumatic carotid cavernous fistula(CCF). CCF is a pathologic arteriovenous shunt between the carotid artery and cavernous sinus. A detachable balloon was the standard device used for treatment of high flow direct CCF, although it is currently unavailable in Japan. Therefore, many other constructive strategies are being developed. We successfully treated this patient with single transarterial embolization using hydrogel coils. Hydrogel coils are platinum coils coated with polymeric water gels, and can be used at a prospect of delayed volume expansion. In our case, the patency of the internal carotid artery was maintained using the coils, and the symptoms improved shortly after the procedure. The use of hydrogel coils for the treatment of CCF appears to be safe and effective.
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Yamane H, Nakai Y. Immunohistochemical localization of Na+-K+-ATPase in the endolymphatic sac. Adv Otorhinolaryngol 2015; 42:123-8. [PMID: 2850738 DOI: 10.1159/000416090] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Imura H, Kato Y, Nakai Y. Endocrine aspects of tumors arising from suprasellar, third ventricular regions. PROGRESS IN EXPERIMENTAL TUMOR RESEARCH 2015; 30:313-24. [PMID: 3628813 DOI: 10.1159/000413689] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Kong Q, Nakai Y, Kuroda N, Shiratsuchi A, Nagaosa K, Nakanishi Y. Peptidoglycan recognition protein-triggered induction of Escherichia coli gene in Drosophila melanogaster. J Biochem 2015; 157:507-17. [DOI: 10.1093/jb/mvv002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 01/07/2015] [Indexed: 11/14/2022] Open
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Ikeda G, Tsuruta W, Nakai Y, Shiigai M, Marushima A, Masumoto T, Tsurushima H, Matsumura A. Anatomical risk factors for ischemic lesions associated with carotid artery stenting. Interv Neuroradiol 2014; 20:746-54. [PMID: 25496686 DOI: 10.15274/inr-2014-10075] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Accepted: 05/18/2014] [Indexed: 11/12/2022] Open
Abstract
The purpose of this study was to investigate the anatomical risk factors for ischemic lesions detected by diffusion-weighted imaging (DWI) associated with carotid artery stenting (CAS). DWI was performed within four days after CAS in 50 stenotic lesions between January 2008 and September 2013. We retrospectively analyzed the correlation between the anatomical factors and ischemic lesions associated with CAS. Post-procedural DWI revealed new ischemic lesions after 24 (48%) of the 50 CAS procedures. All three patients with common carotid artery tortuosity, defined as the presence of severe angulation (less than 90 degrees) in the common carotid artery, developed new ischemic lesions. However, there were no significant differences between the patients with and without tortuosity, likely due to the small number of cases. Meanwhile, seven of eight patients with internal carotid artery tortuosity, defined as the presence of severe angulation (less than 90 degrees) in the cervical segment of the internal carotid artery, developed new ischemic lesions. A multivariate analysis showed internal carotid artery tortuosity (odds ratio: 11.84, 95% confidence interval: 1.193-117.4, P= 0.035) to be an independent risk factor for the development of ischemic lesions associated with CAS. Anatomical factors, particularly severe angulation of the internal carotid artery, have an impact on the risk of CAS. The indications for CAS should be carefully evaluated in patients with these factors.
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Tahara H, Naito H, Kise K, Wakabayashi T, Kamoi K, Okihara K, Yanagisawa A, Nakai Y, Nonomura N, Morii E, Miki T, Takakura N. Evaluation of PSF1 as a prognostic biomarker for prostate cancer. Prostate Cancer Prostatic Dis 2014; 18:56-62. [DOI: 10.1038/pcan.2014.46] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Revised: 09/18/2014] [Accepted: 10/02/2014] [Indexed: 11/09/2022]
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Yoshida T, Ogawa T, Taguchi N, Maeda J, Abe K, Rodis OM, Nakai Y, Shirai H, Torii Y, Konoo T, Suzuki K. Effectiveness of a simulated patient training programme based on trainee response accuracy and appropriateness of feedback. EUROPEAN JOURNAL OF DENTAL EDUCATION : OFFICIAL JOURNAL OF THE ASSOCIATION FOR DENTAL EDUCATION IN EUROPE 2014; 18:241-251. [PMID: 25318559 DOI: 10.1111/eje.12093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/28/2013] [Indexed: 06/04/2023]
Abstract
INTRODUCTION Simulated patients (SPs) need education and training in required skills to be effective resources in education. This study was conducted to examine the effectiveness of an SP training programme based on the accuracy of trainee responses and the appropriateness of their feedback. METHODS Thirty-two applicants to the training programme and 35 experienced SPs were included in this study. The experienced SPs served as a reference group. The rate of accurate responses and the rate of appropriate feedback were assessed with pre- and post-training tests, and these two outcome measures were compared with those of the experienced SPs. RESULTS No significant differences were found in trainee response accuracy or appropriateness of feedback between pre- and post-training tests. The response accuracy rate of the trainees on the pre-training test was significantly lower than that of SPs with 1-2 years of experience, whilst there was no significant difference between these SPs and the trainees on the post-training test. CONCLUSIONS Although our study suggests that more training is needed to improve the skills of SPs, the training programme may contribute to helping trainees reach a novice level in the skill of providing accurate responses. SP training should be encouraged to contribute to the effectiveness of such teaching and to establish the validity of the assessment.
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Ito Y, Nakai Y, Kino H, Koiso T, Nakamura K, Uemura K, Matsumura A. Exacerbation of major artery aneurysms after revascularization in patients with moyamoya disease: two case reports. Neurol Med Chir (Tokyo) 2014; 54:832-5. [PMID: 25263621 PMCID: PMC4533376 DOI: 10.2176/nmc.cr.2014-0014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The natural history of aneurysms of the major arteries after revascularization in moyamoya disease has yet to be documented. At our institute, we treated two patients with moyamoya disease-associated aneurysms involving major arteries of the posterior cerebral circulation. The aneurysms became enlarged at an early stage after revascularization, necessitating coil embolization. Although cerebral blood flow was improved in the anterior circulation, revascularization for these patients did not decrease hemodynamic stress in the posterior circulation and was not able to attenuate aneurysmal growth. Therefore, patients with moyamoya disease-associated aneurysms of the major arteries should be carefully monitored after revascularization.
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Sato M, Nakai Y, Tsurushima H, Shiigai M, Masumoto T, Matsumura A. Risk factors of ischemic lesions related to cerebral angiography and neuro-interventional procedures. Neurol Med Chir (Tokyo) 2014; 53:381-7. [PMID: 23803616 DOI: 10.2176/nmc.53.381] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Embolic stroke is not a rare complication of cerebral angiography. The risk factors for incidental embolism after cerebral angiography were retrospectively examined using diffusion-weighted magnetic resonance imaging (DWI) in 180 patients who underwent 247 angiography procedures, consisting of 174 diagnostic angiography and 73 interventional procedures, and magnetic resonance imaging including DWI within 72 hours after angiography. The two neuroradiologists in our hospital detected embolism after cerebral angiography as high-intensity lesions (HIL) on DWI. The relationships between HIL on DWI and procedural factors were evaluated. DWI after cerebral angiography revealed HIL related to the procedure in 72 of 247 angiographies. In all procedures, age (p < 0.01), past history of cerebral infarction (p < 0.05), anti-platelet therapy (p < 0.05), neuro-intervention (p < 0.01), and total amount of contrast medium (odds ratio [OR] 2.125, 95% confidence interval [CI] 1.045-4.321) were significantly correlated with HIL. In diagnostic angiography, the performance of the procedure by a resident operator (OR 2.526, 95% CI 1.214-5.254) was significantly correlated with HIL. Age, past history of cerebral infarction, and previous anti-platelet therapy determined the risk of atherosclerotic changes in patients. The neuro-intervention and total amount of contrast medium used could predict the risk of time limitations for angiography. Resident operator is also a risk factor. This study demonstrates the importance of improving the risk of time limitations for angiography and the risk due to operator inexperience. Further training of residents may be needed to reduce the occurrence of embolic complications.
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Hamada T, Nakai Y, Yasunaga H, Isayama H, Matsui H, Takahara N, Sasaki T, Takagi K, Watanabe T, Yagioka H, Kogure H, Arizumi T, Yamamoto N, Ito Y, Hirano K, Tsujino T, Tada M, Koike K. Prognostic nomogram for nonresectable pancreatic cancer treated with gemcitabine-based chemotherapy. Br J Cancer 2014; 110:1943-9. [PMID: 24642625 PMCID: PMC3992497 DOI: 10.1038/bjc.2014.131] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 02/14/2014] [Accepted: 02/20/2014] [Indexed: 12/26/2022] Open
Abstract
Background: A nomogram is progressively being used as a useful predictive tool for cancer prognosis. A nomogram to predict survival in nonresectable pancreatic cancer treated with chemotherapy has not been reported. Methods: Using prospectively collected data on patients with nonresectable pancreatic cancer receiving gemcitabine-based chemotherapy at five Japanese hospitals, we derived a predictive nomogram and internally validated it using a concordance index and calibration plots. Results: In total, 531 patients were included between June 2001 and February 2013. The American Joint Committee on Cancer (AJCC) TNM stages were III and IV in 204 and 327 patients, respectively. The median survival time of the total cohort was 11.3 months. A nomogram was generated to predict survival probabilities at 6, 12, and 18 months and median survival time, based on the following six variables: age; sex; performance status; tumour size; regional lymph node metastasis; and distant metastasis. The concordance index of the present nomogram was higher than that of the AJCC TNM staging system at 12 months (0.686 vs 0.612). The calibration plots demonstrated good fitness of the nomogram for survival prediction. Conclusions: The present nomogram can provide valuable information for tailored decision-making early after the diagnosis of nonresectable pancreatic cancer.
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Nishiuchi M, Sakaki H, Maeda S, Sagisaka A, Pirozhkov AS, Pikuz T, Faenov A, Ogura K, Kanasaki M, Matsukawa K, Kusumoto T, Tao A, Fukami T, Esirkepov T, Koga J, Kiriyama H, Okada H, Shimomura T, Tanoue M, Nakai Y, Fukuda Y, Sakai S, Tamura J, Nishio K, Sako H, Kando M, Yamauchi T, Watanabe Y, Bulanov SV, Kondo K. Multi-charged heavy ion acceleration from the ultra-intense short pulse laser system interacting with the metal target. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:02B904. [PMID: 24593609 DOI: 10.1063/1.4827111] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Experimental demonstration of multi-charged heavy ion acceleration from the interaction between the ultra-intense short pulse laser system and the metal target is presented. Al ions are accelerated up to 12 MeV/u (324 MeV total energy). To our knowledge, this is far the highest energy ever reported for the case of acceleration of the heavy ions produced by the <10 J laser energy of 200 TW class Ti:sapphire laser system. Adding to that, thanks to the extraordinary high intensity laser field of ∼10(21) W cm(-2), the accelerated ions are almost fully stripped, having high charge to mass ratio (Q/M).
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Sakaki H, Nishiuchi M, Maeda S, Sagisaka A, Pirozhkov AS, Pikuz T, Faenov A, Ogura K, Fukami T, Matsukawa K, Kanasaki M, Fukuda Y, Yogo A, Esirkepov T, Kiriyama H, Shimomura T, Nakai Y, Tanoue M, Torimoto K, Okamoto M, Sato T, Niita K, Tamura J, Nishio K, Sako H, Yamauchi T, Watanabe Y, Bulanov S, Kondo K. Measurements of electron-induced neutrons as a tool for determination of electron temperature of fast electrons in the task of optimization laser-produced plasma ions acceleration. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:02A705. [PMID: 24593439 DOI: 10.1063/1.4825154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
High intensity laser-plasma interaction has attracted considerable interest for a number of years. The laser-plasma interaction is accompanied by generation of various charged particle beams, such as high-energy proton and ions with high charge to mass ratio (Q/M; same as multi-charged ions). Results of simultaneous novel measurements of electron-induced photonuclear neutrons (photoneutron), which are a diagnostic of the laser-plasma interaction, are proposed to use for optimization of the laser-plasma ion generation. The proposed method is demonstrated by the laser irradiation with the intensity of 1 × 10(21) W/cm(2) on the metal foil target. The photoneutrons are measured by using NE213 liquid scintillation detectors. Heavy-ion signal is registered with the CR-39 track detector simultaneously. The measured signals of the electron-induced photoneutrons are well reproduced by using the Particle and Heavy Ion Transport code System. The results obtained provide useful approach for analyzing the various laser based ion beams.
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Yoshioka Y, Suzuki O, Nakai Y, Uemura M, Nonomura N, Ogawa K. OC-0318: High-dose-rate brachytherapy as monotherapy for intermediate- and high-risk prostate cancer: Seven-year results. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)30423-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sakamoto N, Ishikawa E, Nakai Y, Akutsu H, Yamamoto T, Nakai K, Shiigai M, Tsurushima H, Isobe T, Takano S, Tsuboi K, Matsumura A. Preoperative endovascular embolization for hemangioblastoma in the posterior fossa. Neurol Med Chir (Tokyo) 2013; 52:878-84. [PMID: 23269042 DOI: 10.2176/nmc.52.878] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Intracranial hemangioblastomas (HBs) are hypervascular neoplasms mainly located in the posterior fossa of the central nervous system. Preoperative embolization of the feeding arteries is one proposal for reduction of intraoperative hemorrhage, although indications for the procedures should be evaluated carefully due to the potential complications. This retrospective study investigated clinical outcomes and complications of 15 patients with HBs in the posterior fossa to evaluate the safety and effectiveness of endovascular procedures as well as angiographical procedures. Surgical excision without presurgical embolization was performed in 8 cases, and excision with presurgical embolization was performed in 7 cases, using Guglielmi detachable coils with or without polyvinyl alcohol (GDC ± PVA) in 4 cases and only n-butyl 2-cyanoacrylate (NBCA) in 3 cases. The embolization was applied for selected cases in which feeding arteries were located in a deep site and hard to coagulate surgically. Partial embolization was achieved in 5 cases, and all feeders were successfully embolized in 2 cases. Total removal was achieved in 12 cases, and subtotal/partial removal was achieved in 3 cases. Subarachnoid hemorrhage with intratumoral hemorrhage occurred in 1 case during the angiographic procedure and in 1 case during the embolization procedures. The mean volume of intraoperative blood loss was clearly less in the NBCA group than in the GDC ± PVA group. HBs are mainly located in the posterior cranial fossa, so the risk of severe clinical complication may be high if vascular problems occur. In our series, presurgical embolization using NBCA made tumor removal safe and reduced bleeding volume in posterior fossa HBs.
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Watanabe H, Hoshi I, Nakai Y, Yana T. Antiemetic Effects by 1-Day Versus 3-Day Dexamethasone with Palonosetron Following Paclitaxel-Carboplatin Therapy. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt459.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Asano M, Nakai Y, Matsumae H, Ukai T, Nomura N, Mishima A. A review of extracorporeal membrane oxygenation in child after cardiac surgery: analyses of outcomes. J Cardiothorac Surg 2013. [PMCID: PMC3844662 DOI: 10.1186/1749-8090-8-s1-o80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
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Hamada T, Nakai Y, Isayama H, Sasaki T, Koike K. Competing risk: a potential risk factor for misleading results of length of stent patency. Endoscopy 2013; 45:72; author reply 72. [PMID: 23254408 DOI: 10.1055/s-0032-1325758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Tsuboi H, Nakai Y, Iizuka M, Asashima H, Kondo Y, Tanaka A, Moriyama M, Matsumoto I, Yoshihara T, Nakamura S, Abe K, Sumida T. FRI0272 Analysis of molecular mechanism in igg4-related disease: comparison with sjögren’s syndrome. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.1399] [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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71
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Samarasena JB, Nakai Y, Park DH, Iwashita T, Chang K. Endoscopic closure of an iatrogenic duodenal perforation: a novel technique using endoclips, endoloop, and fibrin glue. Endoscopy 2013; 44 Suppl 2 UCTN:E424-e425. [PMID: 23258485 DOI: 10.1055/s-0032-1325738] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Takahara N, Isayama H, Sasahira N, Hamada T, Uchino R, Mizuno S, Miyabayashi K, Mohri D, Kawakubo K, Kogure H, Sasaki T, Yamamoto N, Nakai Y, Hirano K, Tada M, Koike K. Endoscopic removal of a piece of retained pancreatic stent with a novel new technique: turned guide-wire looping method. Endoscopy 2013; 44 Suppl 2 UCTN:E401. [PMID: 23169035 DOI: 10.1055/s-0032-1309897] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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Abstract
Xylitol is a safe dental caries preventive when incorporated into chewing gum or confections used habitually. The goal of this paper is to identify and assess the work on xylitol and other polyols and dental caries since 2008. Xylitol is effective when used by the mother prenatally or after delivery to prevent mutans transmission and subsequent dental caries in the offspring. One new completed trial confirmed that children of mothers who used xylitol lozenges after delivery had less dental caries than a comparison group. A similar study confirmed that the use of xylitol gum by the mother either prevented or postponed MS transmission to the offspring. Xylitol use among schoolchildren delivered via a gummy bear confection reduced S. mutans levels, but a once per day use of xylitol-containing toothpaste did not. Randomized trials, with caries outcomes, assessing xylitol-containing lozenges in adults and xylitol-containing gummy bears in children will release results in the coming year. Other studies are ongoing but are not systematic and will fail to answer important questions about how xylitol, or other polyols, can address the global dental caries problem.
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Kawakubo K, Isayama H, Kogure H, Takahara N, Miyabayashi K, Mizuno S, Mohri D, Sasaki T, Yamamoto N, Nakai Y, Hirano K, Sasahira N, Tada M, Koike K. Exchange of self-expandable metal stent in endoscopic ultrasound-guided hepaticogastrostomy. Endoscopy 2013; 44 Suppl 2 UCTN:E311-2. [PMID: 23011996 DOI: 10.1055/s-0032-1309779] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Iwashita T, Lee JG, Nakai Y, Samarasena JB, Chang KJ. Successful management of arterial bleeding complicating endoscopic ultrasound-guided cystogastrostomy using a covered metallic stent. Endoscopy 2013; 44 Suppl 2 UCTN:E370-1. [PMID: 23012027 DOI: 10.1055/s-0032-1310067] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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