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Shiina K, Tomiyama H, Tanaka A, Imai T, Hisauchi I, Taguchi I, Sezai A, Toyoda S, Dohi K, Kamiya H, Kida K, Anzai T, Chikamori T, Node K, Ako J, Amano R, Asai M, Eguchi K, Eshima K, Fujiki S, Fujita M, Hikoso S, Hiramitsu S, Hoshide S, Hoshino A, Ikeda Y, Ikehara Y, Inomata T, Inoue T, Ishii K, Ishizaka N, Ito M, Iwahashi N, Iwakura K, Kadokami T, Kanbara T, Kanzaki Y, Kashimura K, Kimura K, Kishi S, Kitada S, Kitakaze M, Kiyosue A, Kodama K, Kojima T, Kondo T, Kubota Y, Kusunose K, Machii N, Matsunaga K, Matsuo Y, Matsuzawa Y, Mikami T, Minamino T, Murohara T, Nagai T, Nagano Y, Nagumo M, Nakamura I, Nakamura K, Nakatani D, Nanasato M, Naruse H, Nishino M, Niwano S, Oguri M, Ohte N, Oikawa M, Okumura T, Okumura M, Onishi K, Oyama JI, Ozaki Y, Saito K, Sakamoto T, Sakata Y, Sakuma M, Sata M, Sekino H, Shimabukuro M, Shimizu W, Suzuki M, Suzuki K, Takahama H, Takahashi N, Takeishi Y, Tamaki S, Tanaka A, Tanimoto S, Teragawa H, Tobushi T, Toita T, Tokuda K, Tsutsui H, Ueda S, Uehara H, Uematsu M, Watada H, Yahagi K, Yamada T, Yamada H, Yoshida T, Yoshihisa A. Canagliflozin independently reduced plasma volume from conventional diuretics in patients with type 2 diabetes and chronic heart failure: a subanalysis of the CANDLE trial. Hypertens Res 2023; 46:495-506. [PMID: 36380202 DOI: 10.1038/s41440-022-01085-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/24/2022] [Accepted: 10/03/2022] [Indexed: 11/16/2022]
Abstract
Sodium-glucose cotransporter 2 inhibitors (SGLT2is) reduce the risk of heart failure progression and mortality rates. Moreover, osmotic diuresis induced by SGLT2 inhibition may result in an improved heart failure prognosis. Independent of conventional diuretics in patients with type 2 diabetes (T2D) and chronic heart failure, especially in patients with heart failure with preserved ejection fraction (HFpEF), it is unclear whether SGLT2i chronically reduces estimated plasma volume (ePV). As a subanalysis of the CANDLE trial, which assessed the effect of canagliflozin on N-terminal pro-brain natriuretic peptide (NT-proBNP), we examined the change (%) in ePV over 24 weeks of treatment based on the baseline level associated with diuretic usage. In the CANDLE trial, nearly all patients were clinically stable (NYHA class I-II), with approximately 70% of participants presenting a baseline phenotype of HFpEF. A total of 99 (42.5%) patients were taking diuretics (mostly furosemide) at baseline, while 134 (57.5%) were not. Relative to glimepiride, canagliflozin significantly reduced ePV without worsening renal function in patients in both groups: -4.00% vs. 1.46% (p = 0.020) for the diuretic group and -6.14% vs. 1.28% (p < 0.001) for the nondiuretic group. Furthermore, canagliflozin significantly reduced serum uric acid without causing major electrolyte abnormalities in patients in both subgroups. The long-term beneficial effect of SGLT2i on intravascular congestion could be independent of conventional diuretic therapy without worsening renal function in patients with T2D and HF (HFpEF predominantly). In addition, the beneficial effects of canagliflozin are accompanied by improved hyperuricemia without causing major electrolyte abnormalities.
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Affiliation(s)
- Kazuki Shiina
- Department of Cardiology, Tokyo Medical University, Tokyo, Japan.
| | | | - Atsushi Tanaka
- Department of Cardiovascular Medicine, Saga University, Saga, Japan
| | - Takumi Imai
- Department of Medical Statistics, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Itaru Hisauchi
- Department of Cardiology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Isao Taguchi
- Department of Cardiology, Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
| | - Akira Sezai
- The Department of Cardiovascular Surgery, Nihon University School of Medicine, Tokyo, Japan
| | - Shigeru Toyoda
- Department of Cardiovascular Medicine, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Kaoru Dohi
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Haruo Kamiya
- Department of Cardiology, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan
| | - Keisuke Kida
- Department of Pharmacology, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Toshihisa Anzai
- Department of Cardiovascular Medicine, Hokkaido University, Sapporo, Japan
| | | | - Koichi Node
- Department of Cardiovascular Medicine, Saga University, Saga, Japan
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Amano R, Saruta J, Sakaguchi W, Kubota N, Fuchida S, Tsukinoki K. Histopathological analysis of the association between mucosal epithelial changes and the lamina propria vascular network in irritation fibroma. J Oral Biosci 2021; 63:278-283. [PMID: 34280532 DOI: 10.1016/j.job.2021.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVES Irritation fibroma in the oral cavity causes atrophy or squamous epithelium thickening with respect to external injury-associated factors. However, ulcers do not occur in most cases. This study aimed to elucidate the mechanism by which ulcers do not form, focusing on the vascular network in the mucosal epithelium of irritation fibroma. METHODS Immunostaining was performed using an enzyme antibody method with primary antibodies against CD31 and Ki-67 in 17 cases of irritation fibroma in the buccal mucosa. One section was taken at three points from the margin and three points from just above the lesion for measurement. The number of blood vessels in the superficial and deep lamina propria at the measurement site were determined, and the area per blood vessel was measured. RESULTS The number and area of blood vessels in the superficial lamina propria just below the lesion epithelium were smaller than those in the margin. No difference was observed in the number and area of blood vessels in the deep lamina propria between the margins and lesions. CONCLUSIONS Our results suggest that the vascular network in the deep lamina propria is maintained and compensates for the nutrient supply to the covering epithelium.
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Affiliation(s)
- Rie Amano
- Department of Environmental Pathology, Kanagawa Dental University, 82 Inaoka, Yokosuka, Kanagawa, 238-8580, Japan
| | - Juri Saruta
- Department of Education Planning, Kanagawa Dental University, 82 Inaoka, Yokosuka, Kanagawa, 238-8580, Japan.
| | - Wakako Sakaguchi
- Department of Environmental Pathology, Kanagawa Dental University, 82 Inaoka, Yokosuka, Kanagawa, 238-8580, Japan
| | - Nobuhisa Kubota
- Department of Diagnostic Pathology, Kanagawa Dental University, 82 Inaoka, Yokosuka, Kanagawa, 238-8580, Japan
| | - Shinya Fuchida
- Department of Education Planning, Kanagawa Dental University, 82 Inaoka, Yokosuka, Kanagawa, 238-8580, Japan
| | - Keiichi Tsukinoki
- Department of Environmental Pathology, Kanagawa Dental University, 82 Inaoka, Yokosuka, Kanagawa, 238-8580, Japan
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Torii Y, Kusunose K, Zheng R, Yamada H, Amano R, Matsumoto R, Hirata Y, Nishio S, Yamada N, Ise T, Yamaguchi K, Tobiume T, Fukuda D, Yagi S, Soeki T, Wakatsuki T, Okayama Y, Sata M. Association between Sarcopenia/Lower Muscle Mass and Short-Term Regression of Deep Vein Thrombosis Using Direct Oral Anticoagulants. Int Heart J 2020; 61:787-794. [PMID: 32684602 DOI: 10.1536/ihj.20-032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Advanced age, obesity, and muscle weakness are independent factors in the onset of deep vein thrombosis (DVT). Recently, an association between sarcopenia and DVT has been reported. We hypothesized that sarcopenia related factors, observed by ultrasonography, are associated with the regression effect on the thrombus following anticoagulation therapy. The present study focused on gastrocnemius muscle (GCM) thickness and the GCM's internal echogenic brightness. We examined the association with DVT regression following direct oral anticoagulants (DOACs) treatment.The prospective cohort study period was between October 2017 and August 2018. We enrolled 46 patients diagnosed with DVT by ultrasonography, who were aged >60 years old and treated with DOACs. Sarcopenia was evaluated using the Asian Working Group for Sarcopenia flowchart. The average DOACs treatment period was 94 days, and 29 patients exhibited thrombus regression. On univariate logistic regression analysis, sarcopenia, average GCM diameter index, and gastrocnemius integrated backscatter index were significantly associated with thrombus regression. In a multivariate model, only the average GCM diameter index correlated with thrombus regression.The average GCM diameter index is associated with DVT regression treated with DOACs. Considering the GCM diameter during DVT treatment can be a marker to make a decision for the treatment of DVT.
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Affiliation(s)
- Yuta Torii
- Ultrasound Examination Center, Tokushima University Hospital
| | - Kenya Kusunose
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Robert Zheng
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Hirotsugu Yamada
- Department of Community Medicine for Cardiology, Tokushima University Graduate School of Biomedical Sciences
| | - Rie Amano
- Ultrasound Examination Center, Tokushima University Hospital
| | | | - Yukina Hirata
- Ultrasound Examination Center, Tokushima University Hospital
| | - Susumu Nishio
- Ultrasound Examination Center, Tokushima University Hospital
| | - Nao Yamada
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Takayuki Ise
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Koji Yamaguchi
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Takeshi Tobiume
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Daiju Fukuda
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Shusuke Yagi
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Takeshi Soeki
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Tetsuzo Wakatsuki
- Department of Cardiovascular Medicine, Tokushima University Hospital
| | - Yoshihiro Okayama
- Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
| | - Masataka Sata
- Department of Cardiovascular Medicine, Tokushima University Hospital
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Torii Y, Kusunose K, Yamada H, Nishio S, Hirata Y, Amano R, Yamao M, Zheng R, Saijo Y, Yamada N, Ise T, Yamaguchi K, Yagi S, Soeki T, Wakatsuki T, Sata M. Updated Left Ventricular Diastolic Function Recommendations and Cardiovascular Events in Patients with Heart Failure Hospitalization. J Am Soc Echocardiogr 2019; 32:1286-1297.e2. [DOI: 10.1016/j.echo.2019.06.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 06/10/2019] [Accepted: 06/11/2019] [Indexed: 12/27/2022]
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Kajikawa M, Maruhashi T, Hidaka T, Matsui S, Hashimoto H, Takaeko Y, Nakano Y, Kurisu S, Kihara Y, Yusoff FM, Kishimoto S, Chayama K, Goto C, Noma K, Nakashima A, Hiro T, Hirayama A, Shiina K, Tomiyama H, Yagi S, Amano R, Yamada H, Sata M, Higashi Y. Effect of Saxagliptin on Endothelial Function in Patients with Type 2 Diabetes: A Prospective Multicenter Study. Sci Rep 2019; 9:10206. [PMID: 31308448 PMCID: PMC6629702 DOI: 10.1038/s41598-019-46726-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/04/2019] [Indexed: 02/06/2023] Open
Abstract
The dipeptidyl peptidase-4 inhibitor saxagliptin is a widely used antihyperglycemic agent in patients with type 2 diabetes. The purpose of this study was to evaluate the effects of saxagliptin on endothelial function in patients with type 2 diabetes. This was a prospective, multicenter, interventional study. A total of 34 patients with type 2 diabetes were enrolled at four university hospitals in Japan. Treatment of patients was initially started with saxagliptin at a dose of 5 mg daily. Assessment of endothelial function assessed by flow-mediated vasodilation (FMD) and measurement of stromal cell-derived factor-1α (SDF-1α) were conducted at baseline and at 3 months after treatment with saxagliptin. A total of 31 patients with type 2 diabetes were included in the analysis. Saxagliptin significantly increased FMD from 3.1 ± 3.1% to 4.2 ± 2.4% (P = 0.032) and significantly decreased total cholesterol from 190 ± 24 mg/dL to 181 ± 25 mg/dL (P = 0.002), glucose from 160 ± 53 mg/dL to 133 ± 25 mg/dL (P < 0.001), HbA1c from 7.5 ± 0.6% to 7.0 ± 0.6% (P < 0.001), urine albumin-to-creatinine ratio from 63.8 ± 134.2 mg/g to 40.9 ± 83.0 mg/g (P = 0.043), and total SDF-1α from 2108 ± 243 pg/mL to 1284 ± 345 pg/mL (P < 0.001). These findings suggest that saxagliptin is effective for improving endothelial function.
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Affiliation(s)
- Masato Kajikawa
- Division of Regeneration and Medicine, Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan
| | - Tatsuya Maruhashi
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takayuki Hidaka
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Shogo Matsui
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Haruki Hashimoto
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yuji Takaeko
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yukiko Nakano
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Satoshi Kurisu
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yasuki Kihara
- Department of Cardiovascular Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Farina Mohamad Yusoff
- Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Shinji Kishimoto
- Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Kazuaki Chayama
- Department of Gastroenterology and Metabolism, Institute of Biomedical and Health Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Chikara Goto
- Department of Physical Therapy, Hiroshima International University, Hiroshima, Japan
| | - Kensuke Noma
- Division of Regeneration and Medicine, Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan.,Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Ayumu Nakashima
- Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Takafumi Hiro
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Atsushi Hirayama
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Kazuki Shiina
- Department of Cardiology, Tokyo Medical University, Tokyo, Japan
| | | | - Shusuke Yagi
- Department of Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
| | - Rie Amano
- Department of Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
| | - Hirotsugu Yamada
- Department of Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
| | - Masataka Sata
- Department of Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
| | - Yukihito Higashi
- Division of Regeneration and Medicine, Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan. .,Department of Cardiovascular Regeneration and Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan.
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Amano R, Karashima A, Motoike I, Katayama N, Kinoshita K, Nakao M. Relationship between Dynamics of Physiological Signals and Subjective Quality of Life and Its Lifestyle Dependency. Annu Int Conf IEEE Eng Med Biol Soc 2019; 2019:546-549. [PMID: 31945958 DOI: 10.1109/embc.2019.8857083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In terms of preventive healthcare, how adopted lifestyle maintains healthy states or leads to pathological states is an essential issue. In this study, for the healthy subjects, their daily patterns of heart rate variability (HRV) and behavioral activity dynamics were analyzed in association with subjective quality of life (QOL), and how the relationship between the physiological signal dynamics and QOL is differentiated by the chronotype (sleep-wake pattern) was investigated. As a result, the morning type subjects were found to show higher sequential variation in R-R interval (rMSSD) and behavioral activity, and to have higher sleep quality and non-depressive tendency. Even the evening type subjects could have higher sleep quality under the condition that rMSSD shows a dip around early afternoon and keep a higher level of activity during the daytime, which may be due to realization of steady entrainment to the circadian time cues. Through this study, fundamental knowledge for preventive healthcare was obtained for us to help people's choice of an appropriate lifestyle for their health.
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Saijo Y, Kusunose K, Bando M, Seno H, Zheng R, Nishio S, Hirata Y, Tori Y, Amano R, Yamada H, Sata M. 4923Localization of myocardial injury in anthracycline-induced cardiotoxicity: evaluation using two-dimensional speckle tracking echocardiography. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.4923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Y Saijo
- Tokushima University Hospital, Cardiology, Tokushima, Japan
| | - K Kusunose
- Tokushima University Hospital, Cardiology, Tokushima, Japan
| | - M Bando
- Tokushima University Hospital, Community Medicine for Cardiology, Tokushima, Japan
| | - H Seno
- Tokushima University Hospital, Cardiology, Tokushima, Japan
| | - R Zheng
- Tokushima University Hospital, The Post-graduate Education Center, Tokushima, Japan
| | - S Nishio
- Tokushima University Hospital, Ultrasound Center, Tokushima, Japan
| | - Y Hirata
- Tokushima University Hospital, Ultrasound Center, Tokushima, Japan
| | - Y Tori
- Tokushima University Hospital, Ultrasound Center, Tokushima, Japan
| | - R Amano
- Tokushima University Hospital, Ultrasound Center, Tokushima, Japan
| | - H Yamada
- Tokushima University Hospital, Community Medicine for Cardiology, Tokushima, Japan
| | - M Sata
- Tokushima University Hospital, Cardiology, Tokushima, Japan
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Yamazaki H, Yagi S, Torii Y, Amano R, Oomichi Y, Sangawa T, Fukuda D, Kadota M, Ise T, Ueno R, Hara T, Kusunose K, Matsuura T, Tobiume T, Yamaguchi K, Yamada H, Soeki T, Wakatsuki T, Akaike M, Sata M. Edoxaban improves acute venous thromboembolism while preserving protein C and protein S levels. J Cardiol 2017; 71:305-309. [PMID: 29100817 DOI: 10.1016/j.jjcc.2017.09.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 08/23/2017] [Accepted: 09/06/2017] [Indexed: 02/03/2023]
Abstract
BACKGROUND It is well known that warfarin inhibits the synthesis of vitamin K-dependent anticoagulants, including thrombin, protein C and S, and factor Xa, leading, paradoxically, to an initial hypercoagulable state. Edoxaban, a direct inhibitor of activated factor X is widely used for the treatment of acute venous thromboembolism (VTE). However, the effect of edoxaban on circulating coagulation factors, in patients with acute VTE, remains unknown. METHODS AND RESULTS We enrolled 57 patients with acute VTE with/without pulmonary embolism treated with edoxaban (n=37) or warfarin (n=20) in a clinical setting. Before treatment and 2 weeks after treatment, we evaluated thrombotic burden using ultrasound or computed tomography angiography. We also evaluated thrombin generation, represented by prothrombin fragment F1+2; thrombus degradation, represented by D-dimer; and levels of anticoagulants, including protein C, protein S, and antithrombin III. Both edoxaban and warfarin treatment improved thrombotic burden and decreased prothrombin fragment F1+2, and D-dimer. Edoxaban treatment preserved protein C and protein S levels. In contrast, warfarin decreased protein C and protein S levels. Neither treatment affected antithrombin III. CONCLUSIONS Edoxaban improves VTE while preserving protein C and protein S levels, thereby indicating that edoxaban improves thrombotic burden while maintaining levels of anticoagulants.
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Affiliation(s)
- Hiromu Yamazaki
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Shusuke Yagi
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan; Department of Community Medicine and Human Resource Development, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan; Department of Internal Medicine, Shikoku Central Hospital, Shikokuchuo-city, Ehime, Japan.
| | - Yuta Torii
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan
| | - Rie Amano
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan
| | - Yasuyuki Oomichi
- Department of Orthopedics, Shikoku Central Hospital, Shikokuchuo-city, Ehime, Japan
| | - Teruaki Sangawa
- Department of Orthopedics, Shikoku Central Hospital, Shikokuchuo-city, Ehime, Japan
| | - Daiju Fukuda
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Muneyuki Kadota
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takayuki Ise
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Rie Ueno
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomoya Hara
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kenya Kusunose
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tomomi Matsuura
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Tobiume
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Koji Yamaguchi
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Hirotsugu Yamada
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Takeshi Soeki
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Tetsuzo Wakatsuki
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masashi Akaike
- Department of Medical Education, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masataka Sata
- Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
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Amano R, Shuta T, Yamane M, Kitagawa M, Hirokawa K, Uchihara T. Marinesco bodies are related to nuclear enlargement in pigment cells of sabstantia nigra. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Yamada H, Tanaka A, Kusunose K, Amano R, Matsuhisa M, Daida H, Ito M, Tsutsui H, Nanasato M, Kamiya H, Bando YK, Odawara M, Yoshida H, Murohara T, Sata M, Node K. Effect of sitagliptin on the echocardiographic parameters of left ventricular diastolic function in patients with type 2 diabetes: a subgroup analysis of the PROLOGUE study. Cardiovasc Diabetol 2017; 16:63. [PMID: 28490337 PMCID: PMC5426055 DOI: 10.1186/s12933-017-0546-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 05/04/2017] [Indexed: 02/07/2023] Open
Abstract
Background Diabetes is associated closely with an increased risk of cardiovascular events, including diastolic dysfunction and heart failure that leads to a shortening of life expectancy. It is therefore extremely valuable to evaluate the impact of antidiabetic agents on cardiac function. However, the influence of dipeptidyl peptidase 4 inhibitors on cardiac function is controversial and a major matter of clinical concern. We therefore evaluated the effect of sitagliptin on echocardiographic parameters of diastolic function in patients with type 2 diabetes as a sub-analysis of the PROLOGUE study. Methods Patients in the PROLOGUE study were assigned randomly to either add-on sitagliptin treatment or conventional antidiabetic treatment. Of the 463 patients in the overall study, 115 patients (55 in the sitagliptin group and 60 in the conventional group) who had complete echocardiographic data of the ratio of peak early diastolic transmitral flow velocity (E) to peak early diastolic mitral annular velocity (e′) at baseline and after 12 and 24 months were included in this study. The primary endpoint of this post hoc sub-analysis was a comparison of the changes in the ratio of E to e′ (E/e′) between the two groups from baseline to 24 months. Results The baseline-adjusted change in E/e′ during 24 months was significantly lower in the sitagliptin group than in the conventional group (−0.18 ± 0.55 vs. 1.91 ± 0.53, p = 0.008), irrespective of a higher E/e′ value at baseline in the sitagliptin group. In analysis of covariance, sitagliptin treatment was significantly associated with change in E/e′ over 24 months (β = −9.959, p = 0.001), independent of other clinical variables at baseline such as blood pressure, HbA1c, and medications for diabetes. Changes in other clinical variables including blood pressure and glycemic parameters, and echocardiographic parameters, such as cardiac structure and systolic function, were comparable between the two groups. There was also no significant difference in the serum levels of N-terminal-pro brain natriuretic peptide and high-sensitive C-reactive protein between the two groups during the study period. Conclusions Adding sitagliptin to conventional antidiabetic regimens in patients with T2DM for 24 months attenuated the annual exacerbation in the echocardiographic parameter of diastolic dysfunction (E/e′) independent of other clinical variables such as blood pressure and glycemic control. Trial registration UMIN000004490 (University Hospital Medical Information Network Clinical Trials). https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000005356; registered November 1, 2010 Electronic supplementary material The online version of this article (doi:10.1186/s12933-017-0546-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hirotsugu Yamada
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan.
| | - Atsushi Tanaka
- Department of Cardiovascular Medicine, Saga University, 5-5-1 Nabeshima, Saga, Japan
| | - Kenya Kusunose
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan
| | - Rie Amano
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan
| | - Munehide Matsuhisa
- Department of Diabetes Therapeutics and Research Center, Tokushima University, Tokushima, Japan
| | - Hiroyuki Daida
- Department of Cardiovascular Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Masaaki Ito
- Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Mamoru Nanasato
- Cardiovascular Center, Japanese Red Cross Nagoya Daini Hospital, Nagoya, Japan
| | - Haruo Kamiya
- Division of Cardiology, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan
| | - Yasuko K Bando
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masato Odawara
- Department of Diabetes, Endocrinology, Metabolism and Rheumatology, Tokyo Medical University, Tokyo, Japan
| | | | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masataka Sata
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan
| | - Koichi Node
- Department of Cardiovascular Medicine, Saga University, 5-5-1 Nabeshima, Saga, Japan.
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Shibutani M, Maeda K, Nagahara H, Fukuoka T, Iseki Y, Matsutani S, Tamura T, Ohira G, Yamazoe S, Kimura K, Toyokawa T, Amano R, Tanaka H, Muguruma K, Hirakawa K, Ohira M. 197P Tumor-infiltrating lymphocytes predict the chemotherapeutic outcomes in patients with stage IV colorectal cancer. Ann Oncol 2016. [DOI: 10.1016/s0923-7534(21)00355-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Boileve V, Schueler R, Hinojar R, Bando M, Lo Iudice F, Andersen OS, Nielsen KM, Merlo M, Dreyfus J, Attias D, Codogno I, Brochet E, Vahanian A, Messika-Zeitoun D, Kaplan S, Oeztuerk C, Weber M, Sinning JM, Welt A, Werner N, Nickenig G, Hammerstingl C, Fernandez-Golfin C, Gonzalez-Gomez A, Garcia Martin A, Casas E, Del Val D, Pardo A, Mejias A, Moya JL, Barrios V, Jimenez Nacher JJ, Zamorano JL, Yamada H, Amano R, Tamai R, Torii Y, Nishio S, Seno Y, Kusunose K, Sata M, Santoro C, Buonauro A, Ferrone M, Esposito R, Trimarco B, Petitto M, Galderisi M, Gude E, Andreassen AK, Broch K, Skulstad H, Smiseth OA, Remme EW, Damgaard DW, Jensen JM, Kraglund KL, Kim WY, Stolfo D, Gobbo M, Gabassi G, Barbati G, De Luca A, Korcova R, Secoli G, Pinamonti B, Sinagra G. Moderated Posters: A little bit of everythingP1190What causes mitral annulus dilatation-A three dimensional studyP1191Impact of interventional edge-to-edge repair with the MitraClip system on mitral valve geometry: Long-term results from a prospective single centre studyP1192Real live applications of three-dimensional echocardiographic quantification of the left atrial volumes using an automated adaptive analytics algorithmP1193Quantitative ultrasound evaluation of the changes on tissue characteristics of carotid plaques by lipid lowering therapyP1194Effort heart rate increase is an independent predictor of longitudinal function reserve in the trained heart: a stress echocardiography studyP1195Incremental value of strain imaging in classification of heart failure with normal ejection fractionP1196Multimodality work-up of young stroke patients is beneficialP1197Prognostic significance of the hemodynamic non-invasive assessment in patients with dilated cardiomyopathy. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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13
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Shibutani M, Maeda K, Nagahara H, Fukuoka T, Iseki Y, Matsutani S, Tamura T, Ohira G, Yamazoe S, Kimura K, Toyokawa T, Amano R, Tanaka H, Muguruma K, Hirakawa K, Ohira M. 197P Tumor-infiltrating lymphocytes predict the chemotherapeutic outcomes in patients with stage IV colorectal cancer. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw581.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Bando M, Yamada H, Kusunose K, Fukuda D, Amano R, Tamai R, Torii Y, Hirata Y, Nishio S, Satomi J, Nagahiro S, Sata M. Noninvasive Quantitative Tissue Characterization of Carotid Plaques Using Color-Coded Mapping Based on Ultrasound Integrated Backscatter. JACC Cardiovasc Imaging 2016; 9:625-7. [DOI: 10.1016/j.jcmg.2015.02.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Revised: 01/30/2015] [Accepted: 02/05/2015] [Indexed: 10/23/2022]
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Hirata Y, Yamada H, Kusunose K, Iwase T, Nishio S, Hayashi S, Bando M, Amano R, Yamaguchi K, Soeki T, Wakatsuki T, Sata M. Clinical Utility of Measuring Epicardial Adipose Tissue Thickness with Echocardiography Using a High-Frequency Linear Probe in Patients with Coronary Artery Disease. J Am Soc Echocardiogr 2015; 28:1240-1246.e1. [PMID: 26275751 DOI: 10.1016/j.echo.2015.07.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Indexed: 01/17/2023]
Abstract
BACKGROUND The relationship between epicardial adipose tissue (EAT) and coronary artery disease (CAD) has recently attracted a great deal of attention in the medical community. The objective of this study was to determine whether measuring EAT thickness in the anterior interventricular groove (AIG) using echocardiography is feasible and whether this index can be a marker of CAD. METHODS A total of 311 patients (mean age, 67 ± 11 years; 208 men) who underwent coronary angiography between December 2011 and December 2013 were prospectively enrolled. EAT-AIG thickness and EAT thickness on the free wall of the right ventricle (RV) were measured in systole using a high-frequency linear probe. Seventy-one patients who underwent multidetector-row computed tomography were enrolled to validate the method for measuring EAT thickness using echocardiography. Subjects were divided into two groups, those with and without significant coronary stenosis, on the basis of findings on coronary angiography (≥ 75% luminal narrowing). RESULTS EAT-AIG thickness measured using echocardiography was validated by computed tomography. EAT-AIG thickness was strongly correlated with EAT volume (r = 0.714, P < .001). The CAD group had thicker EAT-AIG than the non-CAD group (8.3 ± 3.0 vs 6.3 ± 2.5 mm, P < .001). EAT-RV thickness was greater in the CAD group than in the non-CAD group (5.0 ± 2.1 vs 4.4 ± 2.3 mm, P = .009) as well. The area under the curve on receiver operating characteristic curve analysis of EAT-AIG thickness for predicting CAD was 0.704, which was higher than the EAT-RV thickness. CONCLUSIONS Measuring EAT thickness using echocardiography with a high-frequency linear probe was validated with computed tomography. EAT-AIG was thicker in the CAD group than in the non-CAD group, as was EAT-RV thickness. This noninvasive index may have potential as a diagnostic marker for predicting coronary atherosclerosis.
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Affiliation(s)
- Yukina Hirata
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Hirotsugu Yamada
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan.
| | - Kenya Kusunose
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Takashi Iwase
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Susumu Nishio
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Shuji Hayashi
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Mika Bando
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Rie Amano
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Koji Yamaguchi
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Takeshi Soeki
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Tetsuzo Wakatsuki
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Masataka Sata
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan; Department of Cardiovascular Medicine, Tokushima University Hospital, Tokushima, Japan
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Bando M, Yamada H, Kusunose K, Fukuda D, Amano R, Tamai R, Torii Y, Hirata Y, Nishio S, Yamaguchi K, Soeki T, Wakatsuki T, Sata M. Comparison of carotid plaque tissue characteristics in patients with acute coronary syndrome or stable angina pectoris: assessment by iPlaque, transcutaneous carotid ultrasonography with integrated backscatter analysis. Cardiovasc Ultrasound 2015. [PMID: 26209244 PMCID: PMC4513705 DOI: 10.1186/s12947-015-0031-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Background The association of the tissue characteristics of carotid plaques with coronary artery disease has attracted interest. The present study compared the tissue characteristics of carotid plaques in patients with acute coronary syndrome (ACS) with those in patients with stable angina pectoris (SAP) using the iPlaque system, which is based on ultrasound integrated backscatter. Methods and results Carotid ultrasound examinations were performed in 26 patients with ACS, and 38 age- and gender-matched patients with SAP. Neither plaque area nor maximal intima-media thickness differed significantly between the two groups. However, the average integrated backscatter value within the plaque was greater in the ACS patients than in the SAP patients. iPlaque analysis revealed that the percentage blue area (lipid pool) was greater in the ACS patients than in the SAP patients (43.4 ± 11.2 vs 18.3 ± 10.3 %, p < 0.0001), and that the percentage green area (fibrosis) was lower in the ACS than in the SAP patients (7.5 ± 7.5 % vs 20.7 ± 11.7 %, p < 0.0001). Conclusions The lipid component of carotid plaques is greater in ACS patients than in SAP patients. Our iPlaque system provides a useful and feasible method for the tissue characterization of carotid plaques in the clinical setting.
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Affiliation(s)
- Mika Bando
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan.
| | - Hirotsugu Yamada
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan. .,Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan.
| | - Kenya Kusunose
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan.
| | - Daiju Fukuda
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan.
| | - Rie Amano
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan.
| | - Rina Tamai
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan.
| | - Yuta Torii
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan.
| | - Yukina Hirata
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan.
| | - Susumu Nishio
- Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan.
| | - Koji Yamaguchi
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan.
| | - Takeshi Soeki
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan.
| | - Tetsuzo Wakatsuki
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan.
| | - Masataka Sata
- Department of Cardiovascular Medicine, Tokushima University Hospital, 2-50-1 Kuramoto, Tokushima, Japan. .,Ultrasound Examination Center, Tokushima University Hospital, Tokushima, Japan.
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Shimabukuro M, Hasegawa Y, Higa M, Amano R, Yamada H, Mizushima S, Masuzaki H, Sata M. Subclinical Carotid Atherosclerosis Burden in the Japanese: Comparison between Okinawa and Nagano Residents. J Atheroscler Thromb 2015; 22:854-68. [PMID: 26133316 DOI: 10.5551/jat.26674] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
AIM The prevalence of overweight and a change in atherosclerotic lipid profiles may be linked to region-specific differences in atherosclerotic diseases. We evaluated whether the lipid phenotype could be linked to region- and sex-specific differences in the degree of atherosclerosis. METHODS Non-diabetic subjects included Okinawa (n=1674) and Nagano (n=1392) residents aged 30-75 years who underwent carotid ultrasonography for the measurement of maximum intima-media thickness (max IMT). RESULTS Average max IMT was higher in Okinawa men and women, and the increase in max IMT with age was enhanced in men. Multiple regression analysis showed that in addition to age and systolic blood pressure, low-density lipoprotein cholesterol and non-high-density lipoprotein cholesterol were IMT determinants only in men for both Okinawa and Nagano. Meanwhile, HDL-cholesterol was a determinant for Okinawa men and women, but not for Nagano men and women. CONCLUSIONS This is the first report to show region- and sex-specific differences in the determinants for max IMT in a Japanese population. The evaluation of the relationship between lipid profile patterns and region- and sex-specific differences in carotid atherosclerosis burden may be required.
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Affiliation(s)
- Michio Shimabukuro
- Department of Cardio-Diabetes Medicine, Institute of Biomedical Sciences, The University of Tokushima Graduate School
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Nishinaka I, Yokoyama A, Washiyama K, Maeda E, Watanabe S, Hashimoto K, Ishioka NS, Makii H, Toyoshima A, Yamada N, Amano R. Production and separation of astatine isotopes in the 7Li + natPb reaction. J Radioanal Nucl Chem 2015. [DOI: 10.1007/s10967-015-3975-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Miyake T, Kamiya K, Amano R, Iida Y, Tsunehiro S, Shimizu K. Long-term clinical outcomes of toric intraocular lens implantation in cataract cases with preexisting astigmatism. J Cataract Refract Surg 2014; 40:1654-60. [PMID: 25149554 DOI: 10.1016/j.jcrs.2014.01.044] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 01/28/2014] [Accepted: 01/29/2014] [Indexed: 11/28/2022]
Abstract
PURPOSE To evaluate the long-term clinical outcomes and rotational stability of toric intraocular lenses (IOLs) to correct preexisting astigmatism in cataract patients. SETTING Kitasato University Hospital, Kanagawa, Japan. DESIGN Prospective observational study. METHODS Phacoemulsification with implantation of a toric IOL (Acrysof IQ toric SN6AT) was performed in cataract patients with corneal astigmatism. The postoperative follow-up was up to 2 years. RESULTS This study enrolled 378 eyes of 302 patients with a mean age of 63.4 years ± 16.9 (SD). The corrected distance visual acuity 3 months postoperatively was 20/25 or better in 94.7% of eyes. The mean refractive cylinder was -1.92 ± 1.45 diopters (D) preoperatively, -0.59 ± 0.62 D 3 months postoperatively (322 eyes), and -0.67 ± 0.90 D at 2 years (73 eyes). There were statistically significant differences between the preoperative and 3-month postoperative measurements (P<.001, Wilcoxon signed-rank test). The mean IOL misalignment was 4.1 ± 3.0 degrees 2 years postoperatively. The mean IOL rotation was 4.5 ± 4.9 degrees within 1 day postoperatively. The rotation was more than 20 degrees in 6 eyes, all of which had an axial length (AL) of more than 25.0 mm. All rotations occurred within 10 days postoperatively. CONCLUSIONS Toric IOLs were effective in reducing preexisting corneal astigmatism and had overall good rotational stability. A large degree of IOL rotation might occur in eyes with a relatively long AL, especially during the early postoperative period. The 6 rotated IOLs were implanted to correct with-the-rule astigmatism. FINANCIAL DISCLOSURE No author has a financial or proprietary interest in any material or method mentioned.
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Affiliation(s)
- Toshiyuki Miyake
- From the Department of Ophthalmology, University of Kitasato School of Medicine, Kanagawa, Japan.
| | - Kazutaka Kamiya
- From the Department of Ophthalmology, University of Kitasato School of Medicine, Kanagawa, Japan
| | - Rie Amano
- From the Department of Ophthalmology, University of Kitasato School of Medicine, Kanagawa, Japan
| | - Yoshihiko Iida
- From the Department of Ophthalmology, University of Kitasato School of Medicine, Kanagawa, Japan
| | - Shuntaro Tsunehiro
- From the Department of Ophthalmology, University of Kitasato School of Medicine, Kanagawa, Japan
| | - Kimiya Shimizu
- From the Department of Ophthalmology, University of Kitasato School of Medicine, Kanagawa, Japan
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Bertrand P, Grieten L, Smeets C, Verbrugge F, Mullens W, Vrolix M, Rivero-Ayerza M, Verhaert D, Vandervoort P, Tong L, Ramalli A, Tortoli P, D'hoge J, Bajraktari G, Lindqvist P, Henein M, Obremska M, Boratynska M, Kurcz J, Zysko D, Baran T, Klinger M, Darahim K, Mueller H, Carballo D, Popova N, Vallee JP, Floria M, Chistol R, Tinica G, Grecu M, Rodriguez Serrano M, Osa-Saez A, Rueda-Soriano J, Buendia-Fuentes F, Domingo-Valero D, Igual-Munoz B, Alonso-Fernandez P, Quesada-Carmona A, Miro-Palau V, Palencia-Perez M, Bech-Hanssen O, Polte C, Lagerstrand K, Janulewicz M, Gao S, Erdogan E, Akkaya M, Bacaksiz A, Tasal A, Sonmez O, Turfan M, Kul S, Vatankulu M, Uyarel H, Goktekin O, Mincu R, Magda L, Mihaila S, Florescu M, Mihalcea D, Enescu O, Chiru A, Popescu B, Tiu C, Vinereanu D, Broch K, Kunszt G, Massey R, De Marchi S, Aakhus S, Gullestad L, Urheim S, Yuan L, Feng J, Jin X, Bombardini T, Casartelli M, Simon D, Gaspari M, Procaccio F, Hasselberg N, Haugaa K, Brunet A, Kongsgaard E, Donal E, Edvardsen T, Sahin T, Yurdakul S, Cengiz B, Bozkurt A, Aytekin S, Cesana F, Spano' F, Santambrogio G, Alloni M, Vallerio P, Salvetti M, Carerj S, Gaibazzi N, Rigo F, Moreo A, Wdowiak-Okrojek K, Michalski B, Kasprzak J, Shim A, Lipiec P, Generati G, Pellegrino M, Bandera F, Donghi V, Alfonzetti E, Guazzi M, Marcun R, Stankovic I, Farkas J, Vlahovic-Stipac A, Putnikovic B, Kadivec S, Kosnik M, Neskovic A, Lainscak M, Iliuta L, Szymanski P, Lipczynska M, Klisiewicz A, Sobieszczanska-Malek M, Zielinski T, Hoffman P, Gjerdalen GF, Hisdal J, Solberg E, Andersen T, Radunovic Z, Steine K, Svanadze A, Poteshkina N, Krylova N, Mogutova P, Shim A, Kasprzak J, Szymczyk E, Wdowiak-Okrojek K, Michalski B, Stefanczyk L, Lipiec P, Benedek T, Matei C, Jako B, Suciu Z, Benedek I, Yaroshchuk NA, Kochmasheva VV, Dityatev VP, Kerbikov OB, Przewlocka-Kosmala M, Orda A, Karolko B, Mysiak A, Kosmala W, Rechcinski T, Wierzbowska-Drabik K, Lipiec P, Chmiela M, Kasprzak J, Aziz A, Hooper J, Rayasamudra S, Uppal H, Asghar O, Potluri R, Zaroui A, Mourali M, Rezine Z, Mbarki S, Jemaa M, Aloui H, Mechmeche R, Farhati A, Gripari P, Maffessanti F, Tamborini G, Muratori M, Fusini L, Vignati C, Bartorelli A, Alamanni F, Agostoni P, Pepi M, Ruiz Ortiz M, Mesa D, Delgado M, Seoane T, Carrasco F, Martin M, Mazuelos F, Suarez De Lezo Herreros De Tejada J, Romero M, Suarez De Lezo J, Brili S, Stamatopoulos I, Misailidou M, Chrisochoou C, Christoforatou E, Stefanadis C, Ruiz Ortiz M, Mesa D, Delgado M, Martin M, Seoane T, Carrasco F, Ojeda S, Segura J, Pan M, Suarez De Lezo J, Cammalleri V, Ussia G, Muscoli S, Marchei M, Sergi D, Mazzotta E, Romeo F, Igual Munoz B, Bel Minguez A, Perez Guillen M, Maceira Gonzalez A, Monmeneu Menadas J, Hernandez Acuna C, Estornell Erill J, Lopez Lereu P, Francisco Jose Valera Martinez F, Montero Argudo A, Sunbul M, Akhundova A, Sari I, Erdogan O, Mutlu B, Cacicedo A, Velasco Del Castillo S, Anton Ladislao A, Aguirre Larracoechea U, Rodriguez Sanchez I, Subinas Elorriaga A, Oria Gonzalez G, Onaindia Gandarias J, Laraudogoitia Zaldumbide E, Lekuona Goya I, Ding W, Zhao Y, Lindqvist P, Nilson J, Winter R, Holmgren A, Ruck A, Henein M, Attenhofer Jost CH, Soyka R, Oxenius A, Kretschmar O, Valsangiacomo Buechel E, Greutmann M, Weber R, Keramida K, Kouris N, Kostopoulos V, Karidas V, Damaskos D, Makavos G, Paraskevopoulos K, Olympios C, Eskesen K, Olsen N, Fritz-Hansen T, Sogaard P, Cameli M, Lisi M, Righini F, Curci V, Massoni A, Natali B, Maccherini M, Chiavarelli M, Massetti M, Mondillo S, Mabrouk Salem Omar A, Ahmed Abdel-Rahman M, Khorshid H, Rifaie O, Santoro C, Santoro A, Ippolito R, De Palma D, De Stefano F, Muscariiello R, Galderisi M, Squeri A, Censi S, Baldelli M, Grattoni C, Cremonesi A, Bosi S, Saura Espin D, Gonzalez Canovas C, Gonzalez Carrillo J, Oliva Sandoval M, Caballero Jimenez L, Espinosa Garcia M, Garcia Navarro M, Valdes Chavarri M, De La Morena Valenzuela G, Ryu S, Shin D, Son J, Choi J, Goh C, Choi J, Park J, Hong G, Sklyanna O, Yuan L, Yuan L, Planinc I, Bagadur G, Ljubas J, Baricevic Z, Skoric B, Velagic V, Bijnens B, Milicic D, Cikes M, Gospodinova M, Chamova T, Guergueltcheva V, Ivanova R, Tournev I, Denchev S, Ancona R, Comenale Pinto S, Caso P, Arenga F, Coppola M, Calabro R, Neametalla H, Boitard S, Hamdi H, Planat-Benard V, Casteilla L, Li Z, Hagege A, Mericskay M, Menasche P, Agbulut O, Merlo M, Stolfo D, Anzini M, Negri F, Pinamonti B, Barbati G, Di Lenarda A, Sinagra G, Stolfo D, Merlo M, Pinamonti B, Gigli M, Poli S, Porto A, Di Nora C, Barbati G, Di Lenarda A, Sinagra G, Coppola C, Piscopo G, Cipresso C, Rea D, Maurea C, Esposito E, Arra C, Maurea N, Nemes A, Kalapos A, Domsik P, Forster T, Voilliot D, Huttin O, Vaugrenard T, Schwartz J, Sellal JM, Aliot E, Juilliere Y, Selton-Suty C, Sanchez Millan PJ, Cabeza Lainez P, Castillo Ortiz J, Chueca Gonzalez E, Gheorghe L, Fernandez Garcia P, Herruzo Rojas M, Del Pozo Contreras R, Fernandez Garcia M, Vazquez Garcia R, Rosca M, Popescu B, Botezatu D, Calin A, Beladan C, Gurzun M, Enache R, Ginghina C, Farouk H, Al-Maimoony T, Alhadad A, El Serafi M, Abdel Ghany M, Poorzand H, Mirfeizi S, Javanbakht A, Tellatin S, Famoso G, Dassie F, Martini C, Osto E, Maffei P, Iliceto S, Tona F, Radunovic Z, Steine K, Jedrzejewska I, Braksator W, Krol W, Swiatowiec A, Sawicki J, Kostarska-Srokosz E, Dluzniewski M, Maceira Gonzalez AM, Cosin-Sales J, Diago J, Aguilar J, Ruvira J, Monmeneu J, Igual B, Lopez-Lereu M, Estornell J, Olszanecka A, Dragan A, Kawecka-Jaszcz K, Czarnecka D, Scholz F, Gaudron P, Hu K, Liu D, Florescu C, Herrmann S, Bijnens B, Ertl G, Stoerk S, Weidemann F, Krestjyaninov M, Razin V, Gimaev R, Bogdanovic Z, Burazor I, Deljanin Ilic M, Peluso D, Muraru D, Cucchini U, Mihaila S, Casablanca S, Pigatto E, Cozzi F, Punzi L, Badano L, Iliceto S, Zhdanova E, Rameev V, Safarova A, Moisseyev S, Kobalava Z, Magnino C, Omede' P, Avenatti E, Presutti D, Losano I, Moretti C, Bucca C, Gaita F, Veglio F, Milan A, Bellsham-Revell H, Bell A, Miller O, Simpson J, Hwang Y, Kim G, Jung M, Woo G, Driessen M, Leiner T, Schoof P, Breur J, Sieswerda G, Meijboom F, Bellsham-Revell H, Hayes N, Anderson D, Austin B, Razavi R, Greil G, Simpson J, Bell A, Zhao X, Xu X, Qin Y, Szmigielski CA, Styczynski G, Sobczynska M, Placha G, Kuch-Wocial A, Ikonomidis I, Voumbourakis A, Triantafyllidi H, Pavlidis G, Varoudi M, Papadakis I, Trivilou P, Paraskevaidis I, Anastasiou-Nana M, Lekakis I, Kong W, Yip J, Ling L, Milan A, Tosello F, Leone D, Bruno G, Losano I, Avenatti E, Sabia L, Veglio F, Zaborska B, Baran J, Pilichowska-Paszkiet E, Sikora-Frac M, Michalowska I, Kulakowski P, Budaj A, Mega S, Bono M, De Francesco V, Castiglione I, Ranocchi F, Casacalenda A, Goffredo C, Patti G, Di Sciascio G, Musumeci F, Kennedy M, Waterhouse D, Sheahan R, Foley D, Mcadam B, Ancona R, Comenale Pinto S, Caso P, Arenga F, Coppola M, Calabro R, Remme EW, Smedsrud MK, Hasselberg NE, Smiseth OA, Edvardsen T, Halmai L, Nemes A, Kardos A, Neubauer S, Degiovanni A, Baduena L, Dell'era G, Occhetta E, Marino P, Hotchi J, Yamada H, Nishio S, Bando M, Hayashi S, Hirata Y, Amano R, Soeki T, Wakatsuki T, Sata M, Lamia B, Molano L, Viacroze C, Cuvelier A, Muir J, Lipczynska M, Piotr Szymanski P, Anna Klisiewicz A, Lukasz Mazurkiewicz L, Piotr Hoffman P, Van 'T Sant J, Wijers S, Ter Horst I, Leenders G, Cramer M, Doevendans P, Meine M, Hatam N, Goetzenich A, Aljalloud A, Mischke K, Hoffmann R, Autschbach R, Sikora-Frac M, Zaborska B, Maciejewski P, Bednarz B, Budaj A, Evangelista A, Torromeo C, Pandian N, Nardinocchi P, Varano V, Schiariti M, Teresi L, Puddu P, Storve S, Dalen H, Snare S, Haugen B, Torp H, Fehri W, Mahfoudhi H, Mezni F, Annabi M, Taamallah K, Dahmani R, Haggui A, Hajlaoui N, Lahidheb D, Haouala H, Colombo A, Carminati M, Maffessanti F, Gripari P, Pepi M, Lang R, Caiani E, Walker J, Abadi S, Agmon Y, Carasso S, Aronson D, Mutlak D, Lessick J, Saxena A, Ramakrishnan S, Juneja R, Ljubas J, Reskovic Luksic V, Matasic R, Pezo Nikolic B, Lovric D, Separovic Hanzevacki J, Quattrone A, Zito C, Alongi G, Vizzari G, Bitto A, De Caridi G, Greco M, Tripodi R, Pizzino G, Carerj S, Ibrahimi P, Jashari F, Johansson E, Gronlund C, Bajraktari G, Wester P, Henein M, Kosmala W, Marwick T, Souza JRM, Zacharias LGT, Geloneze B, Pareja JC, Chaim A, Nadruz WJ, Coelho OR, Apostolovic S, Stanojevic D, Jankovic-Tomasevic R, Salinger-Martinovic S, Djordjevic-Radojkovic D, Pavlovic M, Tahirovic E, Musial-Bright L, Lainscak M, Duengen H, Filipiak D, Kasprzak J, Lipiec P. Poster session Wednesday 11 December all day display: 11/12/2013, 09:30-16:00 * Location: Poster area. Eur Heart J Cardiovasc Imaging 2013. [DOI: 10.1093/ehjci/jet202] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ito M, Shimizu K, Iida Y, Amano R. Five-year clinical study of patients with pseudophakic monovision. J Cataract Refract Surg 2012; 38:1440-5. [PMID: 22727991 DOI: 10.1016/j.jcrs.2012.03.031] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Revised: 03/09/2012] [Accepted: 03/13/2012] [Indexed: 11/29/2022]
Abstract
PURPOSE To assess the long-term clinical outcomes and acceptability of pseudophakic monovision. SETTING Department of Ophthalmology, Kitasato University Hospital, Kanagawa, Japan. DESIGN Case series. METHODS Patients who had surgery using the monovision method with monofocal intraocular lenses had routine postoperative examinations. Assessed were visual acuity, near stereopsis, ocular deviation, patient satisfaction, and the rate of spectacle dependence preoperatively and 1, 3, and 6 months and 1, 2, 3, 4, and 5 years postoperatively. RESULTS The study enrolled 54 patients with a mean age of 74.7 years ± 7.9 (SD). The mean difference in the spherical equivalent refractive error between eyes of each patient was 2.13 diopters. The binocular uncorrected distance visual acuity was at least 0.10 logMAR in 98% of patients, with 76% achieving Jaeger 2 or better binocular uncorrected near visual acuity. Near stereopsis in patients who shifted from exophoria to intermittent exotropia decreased, although no serious problems were observed. The rate of spectacle dependence was 88% preoperatively, 41% at 1 year, and 22% at 5 years. Patient satisfaction improved gradually during the follow-up. CONCLUSION Pseudophakic monovision was an effective approach for correcting presbyopia throughout the 5-year observation period; however, a longer follow-up, including further studies is necessary to allow selection of appropriate patients. FINANCIAL DISCLOSURE No author has a financial or proprietary interest in any material or method mentioned.
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Affiliation(s)
- Misae Ito
- Department of Rehabilitation, Orthoptics and Visual Science Course, School of Allied Health Science, Kitasato University, Kanagawa, Japan.
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Nakata B, Amano R, Matsuoka J, Sugimori S, Ohsawa M, Wakasa K, Egashira Y, Kimura K, Yamada N, Hirakawa K. Spontaneously complete regression of pseudolymphoma of the remnant pancreas after pancreaticoduodenectomy. Pancreatology 2012; 12:215-8. [PMID: 22687376 DOI: 10.1016/j.pan.2012.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2011] [Revised: 01/19/2012] [Accepted: 02/17/2012] [Indexed: 12/11/2022]
Abstract
BACKGROUND Pancreatic pseudolymphoma is extremely rare. METHOD We present multiple pseudolymphomas in the head and body of the pancreas. The hypoechoic lesions observed by endoscopic ultrasound were enhanced in late-phase angio-computed tomography and homogeneously hypointensive in T1-weighted magnetic resonance imaging (MRI). (18)F-fluorodeoxyglucose positron emission tomography showed strong accumulation in the lesions. The lesions were suspected to be non-functioning islet cell carcinoma. The intraoperative pathological diagnosis for the specimen obtained by a pylorus-preserving pancreaticoduodenectomy was non-neoplastic lymphoid cells. The remnant lesion in the pancreatic body was preserved. RESULTS Macroscopically, the mass was well-circumscribed gray-white colored lesion. The pathological diagnosis was pancreatic pseudolymphoma. The lesion in the remnant pancreas spontaneously disappeared within one year after the operation. CONCLUSION The differential diagnosis of pancreatic pseudolymphoma from malignant tumor is very difficult, however, the image findings demonstrated here may be informative. The spontaneous disappearance of pancreatic pseudolymphoma was firstly observed in the present case.
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Affiliation(s)
- B Nakata
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka 545-8585, Japan.
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Miyake T, Kamiya K, Amano R, Shimizu K. [Corneal astigmatism before cataract surgery]. Nippon Ganka Gakkai Zasshi 2011; 115:447-453. [PMID: 21706838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
PURPOSE To investigate the distribution of corneal astigmatism, and the relationship of astigmatism to the patients' age in a large number of pre-cataract surgery patients. MATERIALS AND METHOD We retrospectively examined 12428 eyes of 7187 patients (5396 eyes of men, 7032 eyes of women) who underwent cataract surgery at Kitasato University Hospital from April, 2002 to September, 2009. The mean patients' age at the time of surgery was 69.9 +/- 12.1 years. We determined corneal astigmatism using an Auto Refract Keratometer ARK-700A, a RKT-7700 (Nidek), a RK-F1 (Canon) and a Retinomax K-plus2(Righton). We carried out these measurements at least three times for each patient, and the average values were used for analysis. RESULTS The mean corneal astigmatism was 1.02 +/- 0.81 D (0 to 14.75 D). The percentage of 1 D or less of corneal astigmatism was 63.6%, that of more than 1 D and 1.5 D or less was 20.9%, that of more than 1.5 D and 2 D or less was 7.4%, that of more than 2 D and 2.5 D or less was 3.8% and that of more than 2.5 D and 3 D or less was 1.8%. Neither significant laterality nor age difference in corneal astigmatism were found. The prevalence of with-the-rule astigmatism (WTR) was common in young population, whereas the prevalence of against-the-rule astigmatism(ATR) increased in the older population, whereas the prevalence of oblique astigmatism remains unchanged. CONCLUSIONS Approximately two thirds of the preoperative patients had 1 D or less corneal astigmatism, and the remaining one third had over 1 D corneal astigmatism. The frequency of WTR was greater at a younger age, and that of ATR, at an older age.
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Affiliation(s)
- Toshiyuki Miyake
- Department of Ophthalmology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara-shi, Kanagawa-ken 252-0374, Japan.
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Terashita Y, Sugimura S, Kudo Y, Amano R, Hiradate Y, Sato E. Improving the Quality of Miniature Pig Somatic Cell Nuclear Transfer Blastocysts: Aggregation of SCNT Embryos at the Four-cell Stage. Reprod Domest Anim 2011; 46:189-96. [DOI: 10.1111/j.1439-0531.2010.01614.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kamiya K, Shimizu K, Ohmoto F, Amano R. Evaluation of corneal biomechanical parameters after simultaneous phacoemulsification with intraocular lens implantation and limbal relaxing incisions. J Cataract Refract Surg 2011; 37:265-70. [DOI: 10.1016/j.jcrs.2010.08.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2010] [Revised: 08/10/2010] [Accepted: 08/25/2010] [Indexed: 11/25/2022]
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Ito M, Shimizu K, Amano R, Handa T. Assessment of visual performance in pseudophakic monovision. J Cataract Refract Surg 2009; 35:710-4. [DOI: 10.1016/j.jcrs.2008.12.019] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2008] [Revised: 12/15/2008] [Accepted: 12/20/2008] [Indexed: 11/26/2022]
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Ito M, Shimizu K, Amano R, Niida T, Totsuka S, Iida Y, Shoji N. [Assessment of visual function and satisfaction in pseudophakic monovision]. Nippon Ganka Gakkai Zasshi 2008; 112:531-538. [PMID: 18592977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
PURPOSE To investigate the visual function and acceptability of pseudophakic monovision in relation to age. METHODS We examined 82 cases (age: 49-87 years) with pseudophakic monovision. All cases were undergone monovision using monofocal intraocular lens (IOLs). The cases were classified into three groups based on their age (A, less than 60 years; B, between 60 to 70 years ; and C, more than 70 years). Refractive error, visual acuity at various distances, contrast sensitivity, and near stereopsis were measured. Using a questionnaire, patient satisfaction before and after cataract surgery was evaluated. RESULT The mean difference in spherical equivalent refractive error between both eyes was 2.27 D (A, 2.39D; B, 2.30D; and C, 2.20 D). Most cases had a binocular uncorrected visual acuity of 20/25 or better at all distances. For contrast sensitivity, binocular summation was observed at 1.5 to 6 cycles/ degree. Near stereopsis was in the normal range, which was less than or equal to 100 seconds of arc. Moreover, it was found that 82% of the patients were satisfied with the results (A, 68%; B, 86%; and C, 93%). CONCLUSION Pseudophakic monovision may be an effective approach for managing loss of accommodation after cataract surgery especially in patients over 60 years of age. However, careful selection of patients should be carried out.
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Affiliation(s)
- Misae Ito
- Department ofRehabilitation, Orthoptics and Visual Science Course, School of Allied Health Sciences, Kitasato University, Sagamihara, Japan.
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Nakata B, Yamada N, Amano R, Tendo M, Inoue M, Sakurai K, Hirakawa K. Comparison of clinicopathological characteristics of curatively resected pancreatic head and body/tail ductal cancers. J Exp Clin Cancer Res 2007; 26:459-466. [PMID: 18365539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Few studies exist comparing the clinicopathological features between resectable pancreatic head (Ph) and body/tail ductal cancer (Pbt). Eighty consecutive patients with resectable tumors (Ph-56, Pbt-24) were analyzed. Tumor size was the only significant difference in clinicopathological factors between Ph and Pbt (Ph<Pbt). Although the MSTs between Ph and Pbt were not significant different, the 1-year survival rate of Ph was significantly greater than that of Pbt (67.9% versus 41.7%; p = 0.028). There were no significantly differences of recurrent rates between Ph and Pbt for individual recurrent sites. In Ph, highly metastasized LN stations were No.13 (on the posterior aspect of the head of the pancreas) at 48.2%, No.17 (on the anterior surface of the head of the pancreas) at 21.4%, No.12 (in the hepatoduodenal ligament) at 10.7%, and No.14 (along the superior mesenteric artery) at 8.9%. In Pbt, No.11 LN station (along the splenic artery) was frequently metastasized (41.7%). Although the metastasized LN stations were different between Ph and Pbt by anatomical reason, biological malignant behaviors such as the LN metastasis rate, the overall survival, and the recurrent pattern were similar.
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Affiliation(s)
- B Nakata
- Department of Surgical Oncology, Institute of Geriatrics and Medical Science, Osaka City University Graduate School of Medicine, Osaka, Japan.
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Yamaguchi T, Saneyoshi M, Takahashi H, Hirokawa S, Amano R, Liu X, Inomata M, Maruyama T. Synthetic nucleosides and nucleotides. 43. Inhibition of vertebrate telomerases by carbocyclic oxetanocin g (C.OXT-G) triphosphate analogues and influence of C.OXT-G treatment on telomere length in human HL60 cells. Nucleosides Nucleotides Nucleic Acids 2006; 25:539-51. [PMID: 16838844 DOI: 10.1080/15257770600684217] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Telomerase, responsible for telomere synthesis, is expressed in approximately 90% of human tumor cells but seldom in normal somatic cells. In this study, inhibition by carbocyclic oxetanocin G triphosphate (C. OXT-GTP) and its analogues was investigated in order to clarify the susceptibility of telomerase to various nucleotide analogues. C. OXT-GTP competitively inhibited telomerase activity with respect to dGTP However, C. OXT-GTP had a potent inhibitory effect on DNA polymerase alpha. It was examined whether the nucleoside (C. OXT-G) was able to alter telomere length in cultured human HL60 cells. Contrary to expectation, long-term treatment with 10 microM C. OXT-G was found to cause telomere lengthening.
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Affiliation(s)
- Toyofumi Yamaguchi
- Department of Biosciences and Biotechnology Research Center, Teikyo University of Science and Technology, Uenohara, Yamanashi, Japan.
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Amano R. Late onset diffuse lamellar keratitis. Jpn J Ophthalmol 2003. [DOI: 10.1016/s0021-5155(03)00131-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jinmei H, Takahashi H, Amano R, Suzuki K, Saneyoshi M, Yamaguchi T. Telomerase-inhibitory effects of sugar-modified nucleotide analogs. Nucleic Acids Res Suppl 2003:221-2. [PMID: 12903185 DOI: 10.1093/nass/2.1.221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Telomerase is an endogenous reverse transcriptase that uses its internal RNA moiety as a template for the synthesis of telomere repeats, thus maintaining telomere length. To study the susceptibility of telomerase to sugar-modified nucleotide analogs, inhibition by arabinofuranosylguanine 5'-triphosphate (araGTP), 3'-azido-2',3'-dideoxyguanosine 5'-triphosphate (AZdGTP), 2',3'-dideoxy-2'-fluoroarabino-furanosylguanine 5'-triphosphate (FaraGTP), and their thymine counterparts was investigated. Among these compounds, all dGTP analogs showed potent inhibitory activity against human telomerase. Conversely, dTTP analogs showed moderate or weak inhibition. Partially purified telomerase from cherry salmon testis utilized ddGTP and AZdGTP as substrates into the 3'-terminus of DNA.
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Affiliation(s)
- Hiroshi Jinmei
- Department of Biological Sciences, Teikyo University of Science and Technology, Uenohara, Yamanashi 409-0193, Japan
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Takahashi H, Amano R, Saneyoshi M, Maruyama T, Yamaguchi T. Inhibition of vertebrate telomerases by the triphosphate derivatives of carbocyclic oxetanocin analogs. ACTA ACUST UNITED AC 2003:285-6. [PMID: 14510492 DOI: 10.1093/nass/3.1.285] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Telomerase is a cellular endogenous reverse transcriptase that uses its internal RNA as a template for extension of the telomere repeat, thus maintaining telomere length. In order to clarify the susceptibility of telomerase to triphosphate derivatives of carbocyclic oxetanocins, inhibition by 9-[trans-trans-2,3-bis(hydroxymethyl)cyclobutyl]guanine triphosphate (C.OXT-GTP) and its methylene analog, 9-(cis-3-hydroxymethyl-2-methylenecyclobutyl)guanine triphosphate (m-C.OXT-GTP) was investigated. Both compounds showed potent inhibitory activity. Lineweaver-Burk plot analyses showed that the inhibition mode of these compounds was competitive with dGTP, the Ki values for C.OXT-GTP and m-C.OXT-GTP being 2.0 microM and 4.9 microM, respectively, and thus smaller than the Km of dGTP (11 microM).
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Affiliation(s)
- Hazuki Takahashi
- Department of Biological Sciences, Teikyo University of Science and Technology, Uenohara, Yamanashi 409-0193, Japan
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Abstract
BACKGROUND Diffuse lamellar keratitis (DLK) is marked by the presence of diffuse or multifocal infiltrates confined to the laser in situ keratomileusis (LASIK) interface. These infiltrates are culture-negative, and the etiology is thought to be noninfectious. Most cases of DLK occur within the first week or 2 following surgery. CASES We described 2 cases of DLK that occurred 3 months after LASIK. These patients were treated with intensive topical corticosteroids. RESULTS Treatment with topical corticosteroid was instituted, with rapid improvement in patient symptoms, visual acuity, and slit-lamp biomicroscopic findings. CONCLUSION DLK may occur as late as 3 months after LASIK.
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Affiliation(s)
- Rie Amano
- Department of Ophthalmology, Kitasato University, Kanagawa, Japan
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Amano R, Ohno K, Shimizu K, Suzuki M, Aizawa D, Komatsu M. [Late onset diffuse lamellar keratitis]. Nippon Ganka Gakkai Zasshi 2003; 107:202-7. [PMID: 12755064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
BACKGROUND Diffuse lamellar keratitis (DLK) is marked by the presence of diffuse or multifocal infiltrates confined to the laser in situ keratomileusis(LASIK) interface. These infiltrates are culture-negative, and the etiology is thought to be noninfectious. Most cases of DLK occur within the first week or two following surgery. CASE We describe two cases of diffuse lamellar keratitis that occurred 3 months after LASIK. These patients were treated with intensive topical corticosteroids. RESULTS We treated the patients with topical corticosteroids, with rapid improvement in patient symptoms, visual acuity, and slit-lamp biomicroscopy. CONCLUSION DLK may occur three months after LASIK.
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Affiliation(s)
- Rie Amano
- Department of Ophthalmology, Kitasato University School of Medicine, 1-15-1 Kitasato, Sagamihara 228-8555, Japan
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Yano T, Uozato H, Shimizu K, Suzuki M, Itou M, Aizawa D, Amano R. Change of the Axial Length after LASIK (laser in situ keratomileusis) measured with an Optical Coherence Biometry, IOLMaster. ACTA ACUST UNITED AC 2003. [DOI: 10.4263/jorthoptic.32.169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Yabushita Y, Kanayama Y, Tarohda T, Enomoto S, Amano R. J Radioanal Nucl Chem 2003; 256:481-488. [DOI: 10.1023/a:1024599616035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Yabushita Y, Kanayama Y, Tarohda T, Amano R, Enomoto S. J Radioanal Nucl Chem 2002; 253:93-99. [DOI: 10.1023/a:1015868602193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
Histamine is important in mediating peripheral sensory information such as inflammation, allergic hypersensitivity, and itch. In the present study, using video-enhanced microscopy, we investigated the effect of histamine on axonal transport in cultured dorsal root ganglion (DRG) neurons of the mouse. Application of histamine (100 microM) reversibly reduced the number of particles transported within neurites in both anterograde and retrograde directions. The histamine H(1)-receptor agonist 2-thiazolylethylamine (100 microM) and the H(3)-receptor agonist R-alpha-methylhistamine (100 microM) also reduced anterograde and retrograde axonal transport, whereas the histamine H(2)-receptor agonist dimaprit (100-1000 microM) had no effect. The effect of histamine was partially blocked by pretreatment with H(1)-receptor antagonist pyrilamine (1 microM) or the H(3)-receptor antagonist thioperamide (1 microM). Pretreatment with a combination of pyrilamine (1 microM) and thioperamide (1 microM) completely blocked the response to histamine. The H(2)-receptor antagonist cimetidine (1 microM) was ineffective. These results suggest that histamine inhibits axonal transport of cultured mouse DRG neurons via the activation of H(1)- and H(3)-receptors.
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MESH Headings
- Animals
- Axonal Transport/drug effects
- Axonal Transport/physiology
- Axons/drug effects
- Axons/metabolism
- Axons/ultrastructure
- Cells, Cultured/cytology
- Cells, Cultured/drug effects
- Cells, Cultured/metabolism
- Drug Interactions/physiology
- Ganglia, Spinal/cytology
- Ganglia, Spinal/drug effects
- Ganglia, Spinal/metabolism
- Histamine/pharmacology
- Histamine Agonists/pharmacology
- Histamine H1 Antagonists/pharmacology
- Histamine H2 Antagonists/pharmacology
- Male
- Mice
- Mice, Inbred C57BL
- Microscopy, Video
- Neurons, Afferent/cytology
- Neurons, Afferent/drug effects
- Neurons, Afferent/metabolism
- Receptors, Histamine/drug effects
- Receptors, Histamine/metabolism
- Receptors, Histamine H1/drug effects
- Receptors, Histamine H1/metabolism
- Receptors, Histamine H2/drug effects
- Receptors, Histamine H2/metabolism
- Receptors, Histamine H3/drug effects
- Receptors, Histamine H3/metabolism
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Affiliation(s)
- R Amano
- Department of Ophthalmology, Kitasato University School of Medicine, 1-15-1 Kitasato, Sagamihara 228-8555, Japan
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Amano R, Oishi S, Enomoto S, Ambe F. Unique behavior of rubidium in mice under low oxygen atmosphere. Simultaneous tracing of Sc, Mn, Fe, Co, Zn, Se, Rb, Y, and Zr using off radioactive multitracer technique. Ann Clin Lab Sci 1997; 27:358-64. [PMID: 9303175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Relative tissue distributions of Sc, Mn, Fe, Co, Zn, Se, Rb, Y, and Zr tracers were studied in young mice housed under four different O2 atmospheres (10 percent, 20 percent, 80 percent, and 100 percent O2) using the radioactive multitracer technique developed at The Institute of Physical and Chemical Research (RIKEN). At 48 hr after injection of the multitracer, the tissue uptake rates were examined for 10 tissues (brain, cardiac muscle, lung, liver, spleen, pancreas, kidneys, skeletal muscle, bone, and blood) and expressed as the radioactivity percentage of the injected dose per gram of wet tissue (percent dose/g). Rubidium uptake rates for all soft tissues of mice housed under a 10 percent O2 atmosphere were found to be higher than those of the tissues of mice housed under the other three O2 atmospheres (20 percent, 80 percent, and 100 percent), but no difference was observed for the other elements (Sc, Mn, Fe, Co, Se, etc.) under any of the O2 atmospheres.
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Affiliation(s)
- R Amano
- School of Health Sciences, Faculty of Medicine, Kanazawa University, Japan
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Enomoto S, Liu B, Ambe R, Amano R, Ambe F. Accumulation of inorganic elements in ddY mice implanted with ehrlich sarcoma. J Inorg Biochem 1997. [DOI: 10.1016/s0162-0134(97)89910-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Amano R, Oishi S, Enomoto S, Ambe F. Biodistribution of trace elements in normal, aluminum-overloaded and cadmium-overloaded mice. An application of the radioactive multitracer technique. Ann Clin Lab Sci 1996; 26:531-41. [PMID: 8908323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The radioactive multitracer technique was applied to simultaneous evaluation of biobehavior of many trace elements in normal, Al-overloaded and Cd-overloaded mice. The tissue and subcellular distributions of Be, Sc, V, Mn, Fe, Co, Zn, As, Se, Rb, Sr, Y, Zr, Ru, and Rh were examined by using a multitracer solution, prepared from an Ag target irradiated with heavy ions, in 9 organs (brain, cardiac muscle, lung, liver, spleen, pancreas, kidney, skeletal muscle, and bone) and blood. Their tissue and subcellular distributions were evaluated by gamma-ray spectrometry in terms of tissue uptake rate (the radioactivity percentage of injected dose per gram of tissue, percent of dose/g) and fractionation percentage (the radioactivity percentage of nuclear fraction, mitochondrial fraction, microsomal fraction or supernatant fraction, percent), respectively. Comparative biobehavior of these elements in brain and liver is reported. Aluminium- and Cd-induced synergistic interactions were observed among these trace elements in their liver uptake behavior.
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Affiliation(s)
- R Amano
- School of Health Sciences, Faculty of Medicine, Kanazawa University, Ishikawa, Japan
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Amano R, Enomoto S, Nobuta M, Sakamoto M, Tsujioka R, Ambe F. Bone uptake of vanadium in mice: simultaneous tracing of V, Se, Sr, Y, Zr, Ru and Rh using a radioactive multitracer. J Trace Elem Med Biol 1996; 10:145-8. [PMID: 8905557 DOI: 10.1016/s0946-672x(96)80024-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The radioactive multitracer technique, which enables simultaneous tracing of a number of elements in a variety of bio-systems and an accurate comparison of their biobehavior, was employed in a study on uptake behavior of trace elements in various mice tissues, focusing on uptake of V by bone. We found that the bone uptake behavior of trace V closely resembles that of trace Sr and Y. It is suggested that V is a bone-seeking element which probably plays an important role in bone formation. The multitracer technique was thus shown to be useful for comparative studies of behavior of trace elements in living organisms.
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Affiliation(s)
- R Amano
- School of Health Sciences, Faculty of Medicine, Kanazawa University, Ishikawa, Japan
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Enomoto S, Liu B, Amano R, Ambe S, Ambe F. in vivo behavior of various rare-earth elements in lipogenous diabetes model mice by using the multitracer technique. J Inorg Biochem 1995. [DOI: 10.1016/0162-0134(95)97452-v] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abstract
A pair of monozygotic twins manifested widespread ichthyosis on the trunk and extremities, mainly on the extensor surface of the lower legs. Both patients had severe developmental retardation, microcephalus, spastic quadriplegia, myoclonus, and hearing impairment. Cranial computed tomography and magnetic resonance imaging revealed diffuse cortical atrophy. Electroencephalography documented diffuse slow wave dysrhythmia and marked epileptic discharges, namely bilateral occipital dominant, and low-voltage multifocal spikes which appeared asynchronously as a burst, mainly during sleep. Skin biopsy revealed hyperkeratosis with parakeratosis. Granular cell layer was not thickened and diminished. Papillomatosis was absent. Electron microscopy did not reveal any distinctive abnormalities. Sjögren-Larsson syndrome and other known ichthyosis syndromes were excluded because of the difference in localization of skin lesions, skin manifestations, lack of papillomatosis, the nature and severity of neurologic symptoms and marked electroencephalographic abnormalities.
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Affiliation(s)
- R Amano
- Department of Child Neurology, Okayama University Medical School, Japan
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Abstract
We performed a 5-year clinical and electrophysiologic follow-up study on two sibling cases with myoclonus epilepsy with ragged-red fibers. Both had myoclonus, intention tremor, slight muscle weakness, slight mental disturbance, hearing impairment, and optic atrophy. Neither had epileptic attacks or truncal or gait ataxia. Biochemical activity of cytochrome c oxidase was at the lower limit of the normal range of values, and an adenine to guanine transition mutation at nucleotide 8344 in the transfer RNA specific for lysine of mitochondrial DNA was detected in both cases. The electroencephalograms showed slowing of basic patterns, diffuse spike-and-wave complexes, occipital dominant wave-and-spike phantoms, 6- and 14-Hz positive spikes, and photosensitivity. No definite deterioration of basic patterns was seen, and diffuse spike-and-wave complexes and photosensitivity gradually disappeared during the slowly progressive clinical course. P2 latencies of pattern-reversal visual evoked potentials throughout the clinical course and III through V interpeak latencies of auditory brainstem responses at follow-up were prolonged without giant sensory evoked potentials in both cases.
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Affiliation(s)
- Y Ohtsuka
- Department of Child Neurology, Okayama University Medical School, Japan
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