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10 results on '"Machiko Okamoto"'

1. Usefulness of a Body Composition Analyzer, InBody 2.0, in Chronic Hemodialysis Patients

Author

Machiko Okamoto, Mitsumine Fukui, Atsushi Kurusu, Ichiyu Shou, Kunimi Maeda, and Chieko Hamada

Subjects
chronic hemodialysis, body composition analyzer, Medicine (General), R5-920
Abstract

The objective of the present study was to investigate whether InBody 2.0 might be useful in measuring the dry weight of chronic hemodialysis (HD) patients. Thirty-five HD patients (22 males and 13 females; mean age 62.6 ± 14.0 years; mean HD duration 101.0 ± 118.06 months) were examined. Multifrequency bioelectric impedance analysis was used to estimate the ratio of extracellular water (ECW) to total body water (TBW). The body resistance was measured at frequencies ranging from 1 kHz to 1 MHz. The impedance index was determined at a low frequency (5 kHz) and correlated closely with ECW, using sodium bromide dilution as standard comparison. The levels of serum albumin, prealbumin, total cholesterol (TC), triglycerides (TG), transferrin, and human atrial natriuretic peptide (hANP) were measured by routine methods in our hospital. The ECW/TBW ratio was significantly associated with the levels of hANP (p < 0.05). However, no associations between the levels of serum albumin, TC, TG, or transferrin and the ECW/TBW were observed. It appears that the body composition analyzer, InBody 2.0, may be useful for estimating the dry weight in chronic HD patients.

Published
2006
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5. Sepsis in hemodialysis patients

Author

Kenichi Oguchi, Tokuya Nakahara, Keizo Yamaguchi, Hachiro Yamanishi, Kazuhiro Tateda, Manabu Asano, Kiyoshi Kurokawa, Machiko Okamoto, and Hitoshi Iwabuchi

Subjects
Sepsis, medicine.medical_specialty, business.industry, medicine.medical_treatment, medicine, Urology, Hemodialysis, medicine.disease, business
Abstract

感染症は本邦における透析患者の死因として第2位にあげられる．なかでも敗血症は直接生命を脅かすものとして最も警戒すべき感染症である．最近9年間に自施設で経験した敗血症症例を集積し解析を行った．延べ205名の患者に計465回の血液培養検査を試み，陽性率は23.7％であった．この結果73例が臨床的に敗血症と診断された．患者背景として糖尿病合併は46例，カテーテル留置ありは47例であった．菌種については球菌：桿菌の比率は約4：1であり，最も頻度の高い菌種はブドウ球菌であった．メチシリン耐性ブドウ球菌の検出頻度は増加していた．転帰については過半数の38例が経過中に死亡した．メチシリン耐性菌がそのうちの24例を占め，致死率の高さが再認識された．また多変量解析の結果，危険因子としてCRPならびに血小板数の減少が死亡リスクを高めることが判明した．

Published
2011
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6. A case of eosinophilic peritonitis that occurred during the course of peripheral blood eosinophilia

Author

Manabu Asano, Machiko Okamoto, Tokuya Nakahara, Kinji Arakawa, Kenichi Oguchi, and Hitoshi Iwabuchi

Subjects
medicine.medical_specialty, business.industry, Internal medicine, Eosinophilic, Peripheral Blood Eosinophilia, Medicine, Peritonitis, business, medicine.disease, Gastroenterology
Abstract

79歳，女性．2004年4月血液透析導入．Vascular access不全と心機能低下のため2008年5月CAPD導入に至った．この間約半年間にわたり好酸球増多症が持続していたが，原因の特定はできなかった．PDカテーテルを留置後6日目に末梢血好酸球数は10.1％から22.3％に上昇した．2週間後にCAPDを開始し，その22日目に排液中の白血球数ならびに好酸球数の増加を認めた．腹痛や発熱を伴わず排液の細菌培養は陰性であったことから好酸球性腹膜炎と診断した．CAPDは継続したまま経過をみたところ自然軽快し，第49病日退院に至った．第56病日の末梢血好酸球数は5.5％であった．好酸球性腹膜炎はCAPDシステム自体が誘因と推察されているが，最終的な因果関係については不明なことが多い．本症例の特徴はCAPD導入以前より好酸球増多症が先行し，その経過の中で好酸球性腹膜炎を発症した点にある．

Published
2009
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7. Vocal cord paralysis after PTA for central vein in a hemodialysis patient

Author

Kenichi Oguchi, Manabu Asano, Machiko Okamoto, Hitoshi Iwabuchi, Tokuya Nakahara, and Eiji Nakano

Subjects
medicine.medical_specialty, medicine.anatomical_structure, business.industry, medicine.medical_treatment, Anesthesia, medicine, Hemodialysis, Vocal cord paralysis, Vein, medicine.disease, business, Surgery
Abstract

62歳，女性，透析歴13年．左腕頭静脈狭窄に対して2006年8月初回PTA（percutaneous transluminal angioplasty），同年9月にステント留置を行った．その7日後より嗄声および嚥下障害が出現し，左声帯麻痺と診断された．薬物治療の継続により症状は徐々に軽快してはいるが，1年を経過してなお完全な回復には至っていない．PTAにおける多くの合併症は安全な操作を心がけることによって回避しうるが，このような稀な合併症を生ずる危険性を認識すべきであろう．

Published
2008
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8. Right subclavian vein obstruction in a hemodialysis patient

Author

Machiko Okamoto, Hitoshi Iwabuchi, Tokuya Nakahara, Eiji Nakano, Manabu Asano, and Kenichi Oguchi

Subjects
medicine.medical_specialty, Right subclavian vein, business.industry, medicine.medical_treatment, medicine, Hemodialysis, business, Surgery
Abstract

72歳, 男性. 1995年より維持透析中. 1999年2月左シャント肢に腫脹出現. 左鎖骨下静脈狭窄症の診断にて, 左シャントを閉鎖し右内シャント作製した. 2005年11月より右上肢に腫脹出現し, 2006年1月当院に紹介された. シャント造影の結果, 右シャント静脈本幹の狭窄および右鎖骨下静脈閉塞と診断した. 右鎖骨下静脈閉塞に対し右シャントおよび右大腿静脈より経皮的血管形成術 (PTA) を試みたが, いずれの手段を用いても病変部にカテーテルを誘導することができなかった. そこで二期的に右鎖骨下静脈に対しアプローチするため先に右上腕の拡張した深部静脈の表在化を行い, これを足がかりとしてPTAを遂行し, 閉塞解除に成功した.

Published
2007
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9. Usefulness of a Body Composition Analyzer, InBody 2.0, in Chronic Hemodialysis Patients

Author

Atsushi Kurusu, Mitsumine Fukui, Yasuhiko Tomino, Ichiyu Shou, Machiko Okamoto, Kunimi Maeda, and Chieko Hamada

Subjects
Adult, Male, medicine.medical_specialty, Body water, Urology, Serum albumin, Body composition analyzer, body composition analyzer, chronic hemodialysis, Atrial natriuretic peptide, Renal Dialysis, Internal medicine, Extracellular fluid, Electric Impedance, medicine, Humans, Chronic hemodialysis, Aged, Medicine(all), chemistry.chemical_classification, lcsh:R5-920, biology, business.industry, General Medicine, Middle Aged, Endocrinology, chemistry, Transferrin, Chronic Disease, Body Composition, biology.protein, Female, lcsh:Medicine (General), business, Bioelectrical impedance analysis, Atrial Natriuretic Factor
Abstract

The objective of the present study was to investigate whether InBody 2.0 might be useful in measuring the dry weight of chronic hemodialysis (HD) patients. Thirty-five HD patients (22 males and 13 females; mean age 62.6 +/- 14.0 years; mean HD duration 101.0 +/- 118.06 months) were examined. Multifrequency bioelectric impedance analysis was used to estimate the ratio of extracellular water (ECW) to total body water (TBW). The body resistance was measured at frequencies ranging from 1 kHz to 1 MHz. The impedance index was determined at a low frequency (5 kHz) and correlated closely with ECW, using sodium bromide dilution as standard comparison. The levels of serum albumin, prealbumin, total cholesterol (TC), triglycerides (TG), transferrin, and human atrial natriuretic peptide (hANP) were measured by routine methods in our hospital. The ECW/TBW ratio was significantly associated with the levels of hANP (p0.05). However, no associations between the levels of serum albumin, TC, TG, or transferrin and the ECW/TBW were observed. It appears that the body composition analyzer, InBody 2.0, may be useful for estimating the dry weight in chronic HD patients.

Published
2006
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10. Vascular access - 1

Author

Utz Settmacher, Wu-Chang Yang, Michael Heise, A.R. Zarate, Luc Turmel-Rodrigues, Young Soo Kim, Daniele Ciurlino, Antonius Rabsch, R. Martínez-Cercós, Hidetoshi Kanai, Ramazan Kaya, O. Ibrik, Machiko Okamoto, Silvia Furiani, B. Rossi, Anna Bednarek-Skublewska, Cornelia Zierold, Samir S. Patel, Deven Juneja, Vincenzo La Milia, Suk Young Kim, Roland Kaufmann, Pierre Bourquelot, Serge Cournoyer, Tanja Roche, Sehmus Ozmen, Georgina Bailey, Hossam El-Shazly, George Stavgianoudakis, Nicole Daniel, Michele Roy, Margarita Villa, Alexander Koch, Petra Kirschner, George Soltys, Paraskevi Tseke, Lara Traversi, Mi Jung Shin, Zuhat Urzakci, Mayoor V. Prabhu, Lisa Savoie, Heather Duncan, M. Feriani, Violaine Begin, Michiya Shinozaki, Nestor Thereska, Nektaria Giapraka, Giorgia Bagiatudi, Elena Bruschetta, Francesco Locatelli, Sabina Libardi, Cheuk-Chun Szeto, Wojciech Załuska, Mohan Sathyanarayanan, Lambros Papatzikos, John Paul Killen, Sun Ae Yoon, Andrzej Ksiazek, R. Roca-Tey, Erjola Likaj, Yong Soo Kim, Mahmoud El-Khatib, F. Antonucci, Ahmet Duraku, Tokuya Nakahara, A. Rivas, Stephan Lotze, Christos Andriopoulos, Claudia Foltys, Visweswar Reddy Pachipala, Sridhar Gandhe, Ireen Töpfer, K.S. Nayak, Giuseppe Pontoriero, M. Nordio, Kai Ming Chow, J. Viladoms, Elisavet Stamataki, Ivano Baragetti, Tiziana Mazzullo, Chih-Ching Lin, Sreepada Subhramanyam, Myftar Barbullushi, N. Tessitore, Davut Akin, Giovanni Regine, Giuseppe Bacchini, Murty Mantha, Myeong A. Cheong, Philip Kam-Tao Li, Saimir Seferi, Silvio Bertoli, J.C. Romero, Sandra Dennler, Claudio Musetti, Young Ok Kim, I. Giménez, Julien Gaudric, Kenichi Oguchi, Marek Iłżecki, Prabir Roy-Chaudhury, E. Camerin, Mikiko Ayada, Charlotte Giroux, Konstantinos Salpiggidis, Stanisław Przywara, Palepu B Gopal, Sindy König, Yuet Ling Poon, Kenji Harada, Richard Baer, Manabu Asano, Ahsan Ullah, Evangelos Sarris, Ho Cheol Song, R. Samon, Enzo Corghi, Timmy Lee, G. Piccoli, Jan Tawakol, Claudio Pozzi, Elena Alberghini, Antono Carnabuci, Danai Stavrianaki, M. Raghavendran, Laura Buzzi, Elpida Kalyveza, Merita Rroji, Cristina Sarcina, Guyette Vallee, and Veronica Terraneo

Subjects
Transplantation, medicine.medical_specialty, Nephrology, business.industry, medicine, Vascular access, Intensive care medicine, business
Published
2009
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