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Okuno S, Ishimura E, Tsuboniwa N, Norimine K, Yamakawa K, Yamakawa T, Shoji S, Mori K, Nishizawa Y, Inaba M. Significant inverse relationship between serum undercarboxylated osteocalcin and glycemic control in maintenance hemodialysis patients. Osteoporos Int 2013; 24:605-12. [PMID: 22581293 DOI: 10.1007/s00198-012-2003-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2012] [Accepted: 03/20/2012] [Indexed: 01/29/2023]
Abstract
SUMMARY Increased levels of serum undercarboxylated osteocalcin, which were associated with bone metabolism markers, correlated inversely with indices of glucose metabolism (plasma glucose, hemoglobin A1C, and glycated albumin) in hemodialysis patients with abnormalities of bone metabolism. INTRODUCTION Undercarboxylated osteocalcin (ucOC), a possible marker of bone metabolism and one of the osteoblast-specific secreted proteins, has recently been reported to be associated with glucose metabolism. We tested the hypothesis that ucOC levels are associated with indices of glucose metabolism in chronic hemodialysis patients with abnormalities of bone metabolism. METHODS Serum ucOC, bone alkaline phosphatase (BAP, a bone formation marker), and tartrate-resistant acid phosphatase-5b (TRACP-5b, a bone resorption marker) were measured in 189 maintenance hemodialysis patients (96 diabetics and 93 non-diabetics), and their relationships with glucose metabolism were examined. RESULTS ucOC correlated positively with BAP (ρ = 0.489, p < 0.0001), TRACP-5b (ρ = 0.585, p < 0.0001) and intact parathyroid hormone (iPTH; ρ = 0.621, p < 0.0001). Serum ucOC levels in the diabetic patients were lower than those of non-diabetic patients (p < 0.001), although there were no significant differences in serum BAP or TRACP-5b between diabetic and non-diabetic patients. Serum ucOC correlated negatively with plasma glucose (ρ = -0.303, p < 0.0001), hemoglobin A1C (ρ = -0.214, p < 0.01), and glycated albumin (ρ = -0.271, p < 0.001), although serum BAP or TRACP-5b did not. In multiple linear regression analysis, log [plasma glucose], log [hemoglobin A1C], and log [glycated albumin] were associated significantly with log [ucOC] after adjustment for age, gender, hemodialysis duration, and body mass index but were not associated with log [BAP], log [TRACP-5b], or log [intact PTH]. CONCLUSION Increased levels of serum ucOC, which were associated with bone metabolism markers, were inversely associated with indices of glucose metabolism in hemodialysis patients.
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Hachisuka T, Kinoshita T, Yamakawa T, Kurata N, Tsutsuyama M, Umeda S, Tokunaga S, Yarita A, Shibata M, Shimizu D, Shikano T, Hattori K, Mori T, Shinohara M, Miyauchi M. Transumbilical laparoscopic surgery using GelPort through an umbilical zigzag skin incision. Asian J Endosc Surg 2012. [PMID: 22776345 DOI: 10.1111/j.1758-5910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
INTRODUCTION We report herein a new method of transumbilical laparoscopic surgery using a GelPort through an umbilical zigzag skin incision. The method involves collaborating with plastic surgeons to ensure the procedure was minimally invasive. MATERIALS AND SURGICAL TECHNIQUE After marking a zigzag skin incision in the umbilical region, the skin was incised along this line. Then, a GelPort double-ring wound retractor was inserted through the incision, which enlarged the diameter of the fascial opening to 6 cm. The Gelport was latched on the wound retractor ring, following the inflation of the pneumoperitoneum by CO (2). One or more additional ports were inserted as necessary. All operations were performed in the standard fashion. The specimen was easily extracted from the abdomen through the umbilical incision, and anastomosis was performed. Using the above method, we performed the following procedures: one total gastrectomy, one distal gastrectomy, three gastric local resections, five right hemicolectomies, two high anterior resections, three cholecystectomies, and seven transabdominal preperitoneal hernioplasties. All cases were accomplished without any complications using this method. The wounds of the umbilical region were almost "scarless" in all cases. DISCUSSION We developed an umbilical zigzag skin incision technique to perform abdominal laparoscopic operations using a GelPort, with a minimal number of skin incisions. We consider that our method reduces the technical difficulties associated with laparoscopic surgery and maintains cosmesis.
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Taketomi T, Yamakawa T. Antigenic properties of a synthetic protein complex with glycolipids and related substances. Lipids 2012; 1:31-40. [PMID: 17805683 DOI: 10.1007/bf02668122] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/1965] [Indexed: 12/01/2022]
Abstract
Erythro-sphingosine was obtained from sphingomyelin by alkaline hydrolysis. N-p-nitrobenzoyl-sphingosine, N-p-aminobenzoyl-dihydrosphingosine and dihydrosphingosine-protein were synthesized.It was found that dihydrosphingosine-protein can produce a specific antibody which can be detected by the complement fixation test and by Ouchterlony's double diffusion method in agar. The determining factor of dihydrosphingosine may be due to the hydroxy groups at C(1) and C(3).In the course of experimental allergic encephalomyelitis, the cross-reactivity of rabbit antisera against spinal cord, and with psychosine-protein in particular, was observed by the complement fixation test and by the Arthus reaction.
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Kikuchi K, Nezu U, Inazumi K, Miyazaki T, Ono K, Orime K, Shirakawa J, Sato K, Koike H, Wakasugi T, Sato M, Kawakami C, Watanabe S, Yamakawa T, Terauchi Y. Double-blind randomized clinical trial of the effects of ezetimibe on postprandial hyperlipidaemia and hyperglycaemia. J Atheroscler Thromb 2012; 19:1093-101. [PMID: 22878697 DOI: 10.5551/jat.12427] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
AIM Ezetimibe selectively blocks intestinal cholesterol absorption by inhibiting Niemann-Pick C1-like 1 (NPC1L1) and reducing LDL cholesterol (LDL-C). In animals, ezetimibe reversed diet-induced obesity, liver steatosis, and insulin resistance. In humans, its potential effects on liver steatosis and insulin resistance have been suggested. We investigated the effects of ezetimibe on postprandial hyperlipidaemia and hyperglycaemia in obese subjects with dyslipidaemia in a double-blind randomized crossover trial. METHODS Twenty obese men with hypertriglyceridaemia were assigned randomly to an ezetimibe- or a placebo-precedence-treated group. Subjects in the ezetimibe group were treated with ezetimibe (10 mg/day) for the first 4 weeks, followed by a 4-week interval and then treated with placebo for another 4 weeks. The placebo group received these treatments in reverse order. Subjects were requested to fast for at least 12 hours and then received a standard meal. Blood samples were collected at 0, 30, 60, 120, 240, 360 and 480 minutes after the meal on Days 0, 28, 56 and 84 and were used to measure the lipid and glucose metabolism markers. RESULTS Ezetimibe significantly decreased the postprandial serum triglyceride excursion (p=0.01) and fasting serum LDL-C, remnant-like particles(RLP) and ApoB48 levels (p<0.05). Postprandial glucose excursion, serum insulin levels, serum glucose-dependent insulinotropic polypeptide (GIP) and active glucagon-like peptide-1 (GLP-1) were not significantly affected by ezetimibe treatment. CONCLUSION Ezetimibe restored the postprandial dysregulation of lipid but did not affect glucose metabolism in a double-blind randomized crossover trial.
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Okuno S, Ishimura E, Norimine K, Tsuboniwa N, Kagitani S, Yamakawa K, Yamakawa T, Sato KK, Hayashi T, Shoji S, Nishizawa Y, Inaba M. Serum adiponectin and bone mineral density in male hemodialysis patients. Osteoporos Int 2012; 23:2027-35. [PMID: 21927917 DOI: 10.1007/s00198-011-1789-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Accepted: 08/22/2011] [Indexed: 01/11/2023]
Abstract
SUMMARY Bone mineral density of the 1/3 distal radius, ultra-distal radius, and lumbar spine correlated significantly and negatively with serum adiponectin. There was a significant positive correlation between serum adiponectin and serum NTX. Thus, adiponectin may play a role in mineral and bone disorder in chronic kidney disease stage 5 dialysis (CKD 5D) patients. INTRODUCTION Serum adiponectin, an adipocyte-produced hormone, has been reported to correlate negatively with bone mineral density (BMD) in the general population. However, little is known about the association between adiponectin and BMD in patients with CKD. METHODS BMD of the 1/3 distal and ultra-distal radius, which are enriched with cortical and cancellous bone, respectively, and the lumbar spine was measured by dual X-ray absorptiometry in 114 Japanese male hemodialysis patients (age 61.0 ± 11.1 years; hemodialysis duration 6.6 ± 3.0 years; 43.9% diabetics). Serum total adiponectin, bone formation marker (bone alkaline phosphatase, BAP), and bone resorption marker (cross-linked N-telopeptide of type I collagen (NTX)) were measured. RESULTS The BMD of the 1/3 distal radius, ultra-distal radius, and lumbar spine correlated significantly and negatively with serum adiponectin level (r = -0.229, p = 0.014; r = -0.286, p = 0.002; r = -0.227, p = 0.013, respectively). In multiple linear regression analyses, serum adiponectin was significantly and independently associated with the BMD of the 1/3 distal radius (R(2) = 0.173, p < 0.001) and ultra-distal radius (R(2) = 0.278, p < 0.001) after adjustment of age, hemodialysis duration, body weight, %fat mass, and log [intact PTH], although it was not with the BMD of the lumbar spine. There was a significant positive correlation between serum adiponectin and serum NTX (r = 0.321, p < 0.001), although there was no significant correlation between serum adiponectin and serum BAP. CONCLUSION Increased levels of serum adiponectin were associated with decrease in BMD in male hemodialysis patients. Adiponectin may play a role in mineral and bone disorder, possibly in bone resorption, of patients with CKD 5D.
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Hachisuka T, Kinoshita T, Yamakawa T, Kurata N, Tsutsuyama M, Umeda S, Tokunaga S, Yarita A, Shibata M, Shimizu D, Shikano T, Hattori K, Mori T, Shinohara M, Miyauchi M. Transumbilical laparoscopic surgery using GelPort through an umbilical zigzag skin incision. Asian J Endosc Surg 2012; 5:50-2. [PMID: 22776345 DOI: 10.1111/j.1758-5910.2011.00113.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
INTRODUCTION We report herein a new method of transumbilical laparoscopic surgery using a GelPort through an umbilical zigzag skin incision. The method involves collaborating with plastic surgeons to ensure the procedure was minimally invasive. MATERIALS AND SURGICAL TECHNIQUE After marking a zigzag skin incision in the umbilical region, the skin was incised along this line. Then, a GelPort double-ring wound retractor was inserted through the incision, which enlarged the diameter of the fascial opening to 6 cm. The Gelport was latched on the wound retractor ring, following the inflation of the pneumoperitoneum by CO (2). One or more additional ports were inserted as necessary. All operations were performed in the standard fashion. The specimen was easily extracted from the abdomen through the umbilical incision, and anastomosis was performed. Using the above method, we performed the following procedures: one total gastrectomy, one distal gastrectomy, three gastric local resections, five right hemicolectomies, two high anterior resections, three cholecystectomies, and seven transabdominal preperitoneal hernioplasties. All cases were accomplished without any complications using this method. The wounds of the umbilical region were almost "scarless" in all cases. DISCUSSION We developed an umbilical zigzag skin incision technique to perform abdominal laparoscopic operations using a GelPort, with a minimal number of skin incisions. We consider that our method reduces the technical difficulties associated with laparoscopic surgery and maintains cosmesis.
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Shigematsu E, Yamakawa T, Taguri M, Morita S, Tokui M, Miyamoto K, Funae O, Takatuka Y, Kadonosono K, Shigematsu H, Terauchi Y. Efficacy of Ezetimibe is Associated with Gender and Baseline Lipid Levels in Patients with Type 2 Diabetes. J Atheroscler Thromb 2012; 19:846-53. [DOI: 10.5551/jat.12799] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Kanaoka T, Tamura K, Moriya T, Tanaka K, Konno Y, Kondoh S, Toyoda M, Umezono T, Fujikawa T, Ohsawa M, Dejima T, Maeda A, Wakui H, Haku S, Yanagi M, Mitsuhashi H, Ozawa M, Okano Y, Ogawa N, Yamakawa T, Mizushima S, Suzuki D, Umemura S. Effects of Multiple Factorial Intervention on Ambulatory BP Profile and Renal Function in Hypertensive Type 2 Diabetic Patients with Overt Nephropathy – A Pilot Study. Clin Exp Hypertens 2011; 33:255-63. [DOI: 10.3109/10641963.2011.583971] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Patrier L, Dupuis AM, Granger Vallee A, Chenine L, Leray-Moragues H, Chalabi L, Morena M, Canaud B, Cristol JP, Akizawa T, Fukuhara S, Fukagawa M, Onishi Y, Yamaguchi T, Hasegawa T, Kido R, Kurokawa K, Vega O, Usvyat L, Rosales L, Thijssen S, Levin N, Kotanko P, An WS, Son YK, Kim SE, Kim KH, Han JY, Bae HR, Park Y, Passlick-Deetjen J, Kroczak M, Buschges-Seraphin B, Covic AC, Ponce P, Marzell B, Schulze F, de Francisco ALM, Esteve V, Junque A, Duarte V, Fulquet M, Saurina A, Pou M, Salas K, Macias J, Sanchez Ramos A, Lavado M, Ramirez de Arellano M, Del Valle E, Negri AL, Ryba J, Peri P, Puddu M, Bravo M, Rosa Diez G, Crucelegui S, Sintado L, Bevione PE, Canalis M, Fradinger E, Marini A, Marelli C, Schiller A, Covic A, Schiller O, Roman V, Andrei C, Berca S, Ivacson Z, Anton C, Raletchi C, Sezer S, Tutal E, Bal Z, Erkmen Uyar M, Ozdemir Acar FN, Lessard M, Ouimet D, Leblanc M, Nadeau-Fredette AC, Bell R, Lafrance JP, Pichette V, Vallee M, Solak Y, Atalay H, Torun B, Tonbul Z, Lacueva J, Santamaria C, Bordils A, Vicent C, Fernandez M, Casado M, Karakan S, Sezer S, Tutal E, Ozdemir Acar N, Ishimura E, Okuno S, Tsuboniwa N, Ichii M, Yamakawa T, Shoji S, Inaba M, Lomonte C, Derosa C, Libutti P, Teutonico A, Chimienti D, Antonelli M, Bruno A, Cocola S, Basile C, Petrucci I, Giovannini L, Samoni S, Colombini E, Cupisti A, Meola M, Stancu S, Zugravu A, Stanescu B, Barbulescu C, Anghel C, Cinca S, Petrescu L, Mircescu G, Hung PH, Chiang PC, Jong IC, Hsiao CY, Hung KY, Tentori F, Karaboyas A, Sen A, Hecking M, Bommer J, Depner T, Akiba T, Port FK, Robinson BM, Basile C, Libutti P, Di Turo AL, Vernaglione L, Casucci F, Losurdo N, Teutonico A, Lomonte C, Sanadgol H, Baiani M, Mohanna M, Basile C, Libutti P, Di Turo AL, Casucci F, Losurdo N, Teutonico A, Vernaglione L, Lomonte C, Negri AL, Del Valle EE, Zanchetta MB, Nobaru M, Silveira F, Puddu M, Barone R, Bogado CE, Zanchetta JR, Mlot-Michalska M, Grzegorzewska AE, Fedak D, Kuzniewski M, Janda K, Krzanowski M, Pawlica D, Kusnierz-Cabala B, Solnica B, Sulowicz W, Novotna H, vara F, Polakovic V, Sedlackova E, Marzell B, Kaufmann P, Merello JI, Mora J, Crespo A, Arens HJ, Passlick-Deetjen J, Takahashi T, Ogawa H, Kitajima Y, Sato Y, Cayabyab S, Mallari J, Kikuchi H, Nakayama H, Saito N, Shimada H, Miyazaki S, Sakai S, Suzuki M, Gonzalez E, Torregrosa V, Cannata J, Gonzalez MT, Arenas MD, Montenegro J, Rios F, Mora J, Moreno R, Muniz ML, Copley JB, Smyth M, Poole L, Wilson R. Bone disease in CKD 5D. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.40] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Robinson B, Zhang J, Thumma J, Gillespie B, Combe C, Fukuhara S, Harambat J, Morgenstern H, Port F, Pisoni R, Collier T, Steenkamp R, Tomson C, Caskey F, Ansell D, Roderick P, Nitsch D, Chanouzas D, Ng KP, Fallouh B, Baharani J, Righetti M, Ferrario G, Serbelloni P, Milani S, Lisi L, Tommasi A, Okuno S, Ishimura E, Yamakawa K, Tsuboniwa N, Norimine K, Kagitani S, Shoji S, Yamakawa T, Nishizawa Y, Inaba M, de Jager DJ, Halbesma N, Krediet RT, Boeschoten EW, le Cessie S, Dekker FW, Grootendorst DC, Miranda AC, Bento D, Madeira J, Cruz J, Saglimbene VM, De berardis G, Pellegrini F, Johnson DW, Craig JC, Hegbrant JBA, Strippoli GFM, Tzanno C, Nisihara F, Stein G, Clesco P, Uezima C, Martins JP, Esposito P, Di Benedetto A, Tinelli C, De Silvestri A, Marcelli D, Dal Canton A, Capurro F, De Mauri A, David P, Navino C, Chiarinotti D, De Leo M, De Leo M, Sato Y, Sato M, Johtoku Y, Appunu K, Baharani J, Kara B, Severova- Andreevska G, Trajceska L, Gelev S, Amitov V, Sikole A, Lomidze M, Rtskhiladze I, Metreveli D, Bartel J, Abramishvili N, Zangurashvili L, Barnova M, Buachidze K, Jashiashvili N, Kankia N, Khitarishvili T, Dzagania T, Tschokhonelidze I, Sarishvili N, Shamanadze A, Amet S, Launay-Vacher V, Stengel B, Castot A, Frances C, Gauvrit JY, Grenier N, Reinhardt G, Clement O, Kreft-Jais C, Janus N, Choukroun G, Laville M, Deray G, Szlanka B, Borbas B, Joseph J, Somers F, Vanga SR, Alscher MD, Rutherford P, De Mauri A, Conte M, Capurro F, David P, De Maria M, Navino C, De Leo M, De Mauri A, Conte M, Capurro F, David P, Chiarinotti D, Navino C, De Leo M, Kan WC, Chien CC, Wang HY, Hwang JC, Wang CJ, Castledine C, Gilg J, Rogers C, Ben-Shlomo Y, Yoav C, Dattolo P, Amidone M, Antognoli G, Michelassi S, Sisca S, Pizzarelli F, Kimber A, Tomson C, Maggs C, Steenkamp R, Smith H, Madziarska K, Weyde W, Kopec W, Penar J, Krajewska M, Klak R, Zukowska Szczechowska E, Gosek K, Golebiowski T, Strempska B, Kusztal M, Klinger M, Ito M, Masakane I, Ito S, Nagasawa J, Liao SC, Lee IN, Cheng CT, Halle MP, Hertig A, Kengue AP, Ashuntantang G, Rondeau E, Ridel C, Selim G, Stojceva-Taneva O, Tozija L, Gelev S, Stojcev N, Dzekova P, Trajcevska L, Severova G, Pavleska S, Sikole A, Paunovic K, Dimitrijevic Z, Paunovic G, Ljubenovic S, Djordjevic V, Stojanovic M, Mitsopoulos E, Tsiatsiou M, Ginikopoulou E, Minasidis I, Kousoula V, Tsikeloudi M, Manou E, Tsakiris D, Ortalda V, Yabarek T, Aslam N, Tomei P, Messa M, Lupo A, Ito S, Masakane I, Kudo K, Ito M, Nagasawa J, Osthus TBH, Amro A, Preljevic V, Leivestad T, Dammen T, Os I, Panocchia N, Di Stasio E, Liberatori M, Tazza L, Bossola M, Wilson R, Smyth M, Copley JB, Hanafusa N, Yamagata K, Nishi H, Nishi S, Iseki K, Tsubakihara Y, Fusaro M, Tripepi G, Crepaldi G, Maggi S, D'Angelo A, Naso A, Plebani M, Vajente N, Giannini S, Calo L, Miozzo D, Cristofaro R, Gallieni M, Hung PH, Shen CH, Hsiao CY, Chiang PC, Hung KY. Epidemiology & outcome in CKD 5D (2). Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.58] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kunishige H, Ishbashi Y, Kawasaki M, Yamakawa T. [Surgical treatment of iatrogenic cardiac injury induced by pericardiocentesis; report of a case]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2011; 64:419-421. [PMID: 21591447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
We reported a case of surgical treatment of iatrogenic cardiac injury. A 67-year-old man with cardiac tamponade was treated by pericardiocentesis. At night he was transferred to our hospital for emergent treatment of shock state. We found the pericardiocentesis drainage tube perforated left ventricle on computed tomography (CT). This perforation was repaired on the beating heart state using 5-0 monofilament mattress sutures reinforced by felt pledgets. Fatal complications might not occur when appropriate procedures are followed during the placement of a catheter for pericardiocentesis. Iatrogenic cardiac injury is rare but nevertheless requires caution.
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Noujeim M, Prihoda T, McDavid WD, Ogawa K, Seki K, Okano T, Yamakawa T, Sue T, Langlais RP. Pre-clinical evaluation of a new dental panoramic radiographic system based on tomosynthesis method. Dentomaxillofac Radiol 2011. [DOI: 10.1259/dmfr/26052996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Kamitani Y, Harada Y, Uchikura T, Suzuki H, Yoshii T, Inazumi K, Kawaguchi J, Yamakawa T. [Case report; autoimmune polyendocrine syndrome type3 with thyrotoxic crisis and diabetic coma]. NIHON NAIKA GAKKAI ZASSHI. THE JOURNAL OF THE JAPANESE SOCIETY OF INTERNAL MEDICINE 2011; 100:1051-1053. [PMID: 21626844 DOI: 10.2169/naika.100.1051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Kurajoh M, Inaba M, Okuno S, Nagayama H, Yamada S, Imanishi Y, Ishimura E, Shoji S, Yamakawa T, Nishizawa Y. Reduction of whole PTH/intact PTH ratio as a predictor of bone metabolism in cinacalcet treatment of hemodialysis patients with secondary hyperparathyroidism. Osteoporos Int 2011; 22:923-30. [PMID: 20449572 DOI: 10.1007/s00198-010-1262-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2009] [Accepted: 03/30/2010] [Indexed: 10/19/2022]
Abstract
UNLABELLED In cinacalcet treatment of hemodialysis (HD) patients with secondary hyperparathyroidism (SHPT), not only intact parathyroid hormone (I-PTH), whole PTH (W-PTH), and bone markers, but also W-PTH/I-PTH ratio as proportion of active PTH(1-84) molecules were decreased. Changes in W-PTH/I-PTH ratio significantly correlated and predicted changes in bone marker. INTRODUCTION Cinacalcet partly suppresses the secretion of PTH by enhancing PTH(1-84) degradation into N-truncated fragments. The objectives of this study is to investigate the significance of the N-truncated PTH/PTH(1-84) ratio for the prediction of the effect of cinacalcet in HD patients. METHODS Serum parameters were measured during 12 weeks of oral cinacalcet administration at 25 mg daily in 39 HD patients with SHPT. RESULTS Serum Ca, Pi, W-PTH, I-PTH, and W-PTH/I-PTH ratio all decreased significantly in a time-dependent manner during cinacalcet administration. Serum tartrate-resistant acid phosphatase (TRAP) 5b reflected these changes more precisely than serum N-telopeptide of type-I collagen. At 1 week, changes in I-PTH and W-PTH correlated significantly with those in serum Pi, but not Ca. Changes in serum Pi (but not Ca) and serum W-PTH also correlated significantly with changes in serum TRAP5b at both 4 and 12 weeks, while changes in serum I-PTH correlated significantly with those in serum TRAP5b only at 12 weeks. Changes in the serum W-PTH/I-PTH ratio correlated significantly with those in serum TRAP5b at both 4 and 12 weeks, and changes in serum W-PTH/I-PTH ratio at 4 weeks showed a tendency for a correlation with changes in serum TRAP5b at 12 weeks. HD patients with a reduced W-PTH/I-PTH ratio after 4 weeks had a significantly greater reduction of TRAP5b over 12 weeks. CONCLUSION W-PTH and the W-PTH/I-PTH ratio allow estimation of the potency of cinacalcet in enhancement of PTH degradation, and thus no less reliable markers than I-PTH for reflecting cinacalcet-induced bone resorption.
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Noujeim M, Prihoda T, McDavid WD, Ogawa K, Yamakawa T, Seki K, Okano T, Sue T, Langlais RP. Pre-clinical evaluation of a new dental panoramic radiographic system based on tomosynthesis method. Dentomaxillofac Radiol 2011; 40:42-6. [PMID: 21159914 DOI: 10.1259/dmfr/73312141] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVES The purpose of the study was to compare the image generated by a classic panoramic machine equipped with a cadmium telluride sensor capable of digital tomosynthesis and special software with images produced by other popular panoramic X-ray machines using a charge-coupled device and native software for image capture. METHODS Panoramic images were made using a phantom of a human skull on Planmeca ProMax, Planmeca EC Proline, Kodak 8000 and PC-1000. With the last machine we used the PanoACT® software to adjust the entire arch and to adjust the image in selected regions of interest (ROIs). Ten viewers evaluated the images and provided the viewer data. ANOVA for repeated measures was used to compare the means by pairwise comparisons of means. RESULTS The image of the entire arch adjusted by the PanoACT® software was statistically superior to the images produced by other machines. The images generated and individually adjusted by PanoACT® were statistically superior to all other images. CONCLUSIONS The image generated by the cadmium telluride sensor has great potential and can be processed to create superior images to those taken with other machines. Furthermore, the ROI individual images enhanced by the PanoACT® were superior to the entire arch adjusted by the same software.
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Ogasawara M, Yamakawa T, Katsura Y, Shima K, Matsukawa T, Kanaya M, Minauchi K, Nakata M, Ota S, Imai K, Hirano T, Kobayashi N, Kiyama Y. Analysis of the FLT3-ITD and NPM1 Mutations in AML Patients With Intermediate Risk Receiving Allogeneic Stem-Cell Transplantation. Biol Blood Marrow Transplant 2011. [DOI: 10.1016/j.bbmt.2010.12.432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Yamakawa T, Kaneko T, Shigematu E, Kawaguchi J, Kadonosono K, Morita S, Terauchi Y. Glucose-lowering effect of colestimide is associated with baseline HbA1c in type 2 diabetic patients with hypercholesterolemia. Endocr J 2011; 58:185-91. [PMID: 21350303 DOI: 10.1507/endocrj.k10e-255] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
We previously reported that colestimide, an anion exchange resin, improved glycemic control in patients with type 2 diabetes. However, the factors associated with the decrease of HbA1c remain unclear. In present study, we retrospectively compared glycemic control between groups receiving colestimide (n=71), atorvastatin (n=99), pravastatin (n=85), and pitavastatin (n=95) until 3 months after the start of treatment. In the colestimide group, fasting plasma glucose decreased significantly from 169 ± 59 to 138 ± 29 mg/dL after 3 months (P<0.01), and glycated hemoglobin (HbA1c) declined from 8.1 ± 1.0% to 7.4 ± 0.8% (an 8% reduction, P<0.01). Fasting plasma glucose and HbA1c did not change in the pravastatin and pitavastatin groups. On the other hand, both parameters increased significantly in the atorvastatin group. Multivariate analysis revealed that baseline HbA1c was the main determinant of the decrease of HbA1c in the colestimide group while age, sex, BMI, and baseline lipid levels were not correlated with the effect of colestimide treatment. The decrease of HbA1c showed a positive correlation with baseline HbA1c (r=0.60, P<0.0001), and patients with a larger change of HbA1c (>8.4%) displayed a better response to colestimide. In conclusion, since patients with type 2 diabetes often have hyperlipidemia as well, colestimide therapy may have a clinically useful dual action in such patients. Baseline HbA1c has the most important independent influence on the glucose-lowering effect of colestimide.
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Yamashita T, Inoue H, Okumura K, Kodama I, Aizawa Y, Atarashi H, Ohe T, Ohtsu H, Kato T, Kamakura S, Kumagai K, Kurachi Y, Koretsune Y, Saikawa T, Sakurai M, Sato T, Sugi K, Nakaya H, Hirai M, Hirayama A, Fukatani M, Mitamura H, Yamazaki T, Watanabe E, Ogawa S, Katoh T, Igawa O, Matsumoto N, Yamashita T, Kaneko Y, Watanabe E, Ogawa S, Osaka T, Fujii E, Niwano S, Yoshioka K, Kato M, Okazaki O, Kusano K, Okuyama Y, Furushima H, Suzuki M, Noda T, Kawara T, Sato T, Kamakura S, Endoh Y, Kumagai K, Hiyoshi Y, Ishiyama T, Ohtsuka T, Matsumoto M, Chishaki A, Shinohara T, Shirayama T, Koretsune Y, Yokoyama E, Ajiki K, Fujio K, Sugi K, Yamakawa T, Yusu S, Inoue H, Kawamura Y, Hayano M, Date T, Mizusawa Y, Kobayashi Y, Satomi K, Imai Y, Atarashi H, Fukunami M, Yokoshiki H, Betsuyaku T, Okumura K, Takeda H, Matsumoto K, Okishige K, Tagawa M, Hirai M, Okazaki H. Randomized trial of angiotensin II-receptor blocker vs. dihydropiridine calcium channel blocker in the treatment of paroxysmal atrial fibrillation with hypertension (J-RHYTHM II Study). Europace 2010; 13:473-9. [DOI: 10.1093/europace/euq439] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Myint A, Yamakawa T, Kajihara Y, Zenmyo T. Application of different organic and mineral fertilizers on the growth, yield and nutrient accumulation of rice in a Japanese ordinary paddy field. ACTA ACUST UNITED AC 2010. [DOI: 10.4314/swj.v5i2.61513] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Kobayashi I, Ishimura E, Kato Y, Okuno S, Yamamoto T, Yamakawa T, Mori K, Inaba M, Nishizawa Y. Geriatric Nutritional Risk Index, a simplified nutritional screening index, is a significant predictor of mortality in chronic dialysis patients. Nephrol Dial Transplant 2010; 25:3361-3365. [DOI: 10.1093/ndt/gfq211] [Citation(s) in RCA: 121] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Inaba M, Kurajoh M, Okuno S, Imanishi Y, Yamada S, Mori K, Ishimura E, Yamakawa T, Nishizawa Y. Poor muscle quality rather than reduced lean body mass is responsible for the lower serum creatinine level in hemodialysis patients with diabetes mellitus. Clin Nephrol 2010; 74:266-272. [PMID: 20875378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023] Open
Abstract
BACKGROUND The serum creatinine level is significantly lower in well-nourished hemodialysis patients with diabetes mellitus (DM) than in their non-DM counterparts, despite the presence of anuria in these patients. The factors associated with this finding have not been determined. PATIENTS AND METHODS We evaluated the association of serum creatinine with handgrip strength (HGS) and lean body mass index (LMI) in a cross-sectional study of 102 DM and 208 non-DM hemodialysis patients to determine if poorer muscle quality in DM patients could explain the reduced level of serum creatinine. All the DM patients were well-nourished. Grip dynamometry and dual-energy X-ray absorptiometry (DXA) were used to measure HGS and LMI, respectively. RESULTS The DM patients had a significantly lower serum creatinine level and HGS compared to the non-DM patients, but whole-body LMI and LMI of the upper limbs did not differ between the two groups of patients. The DM patients had significantly lower serum creatinine/whole-body LMI, serum creatinine/arm LMI, HGS/whole-body LMI, and HGS/arm LMI ratios. The serum creatinine level was significantly correlated with HGS and with whole-body and upper limb LMI in both groups of patients. However, regression analyses of LMI with serum creatinine and HGS gave significantly shallower slopes for the DM patients compared to the non-DM patients. CONCLUSION This suggests that the muscle strength generated per unit of muscle mass, which is reflected well by the serum creatinine level, is significantly reduced in DM hemodialysis patients. Therefore, our results show that the significantly lower serum creatinine levels in DM hemodialysis patients compared to non-DM hemodialysis patients may be explained by poor muscle quality rather than by reduced muscle mass or malnutrition.
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Nezu U, Tsunoda S, Yoshimura H, Kuwabara T, Tomura S, Seki Y, Kaneshiro M, Kamiyama H, Harada Y, Shigematsu E, Aoki K, Yamakawa T, Ohshige K, Natsumeda Y, Terauchi Y. Pravastatin potentiates increases in serum adiponectin concentration in dyslipidemic patients receiving thiazolidinedione: the DOLPHIN study. J Atheroscler Thromb 2010; 17:1063-9. [PMID: 20702974 DOI: 10.5551/jat.5033] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
AIM A reduced risk of type 2 diabetes has been reported following treatment with pravastatin. Adiponectin is an adipocyte-derived protein that has an antidiabetic property. The objective of this study was to evaluate the effect of pravastatin on serum adiponectin concentration and other influencing factors. METHODS This study was a multicenter observational study: Dyslipidemia Open-labeled observational study by Lipid-lowering therapy with Pravastatin of the effect on High-molecular weight adiponectin in Nippon Yokohama (DOLPHIN). The protocol was registered in the UMIN Clinical Trial Registry as UMIN000000791. All patients received pravastatin 10 mg/day for 6 months and the change in concentration of total and high molecular weight adiponectin was assessed before and after follow-up. The difference in the change in total adiponectin concentration by patient characteristics was analyzed by an unpaired t-test. Influences of continuous variable factors on the change in total adiponectin concentration were estimated by simple linear regression analyses. Finally, in order to estimate the influences of factors that potentially affect the change in total adiponectin concentration induced by pravastatin, multiple linear regression analysis was conducted. RESULTS After 6 months, total adiponectin concentration was increased significantly by 23.2% from 11.7±6.4 to 13.7±8.6 µg/mL (p=0.002). The use of thiazolidinedione as a concomitant medication was the only significant influencing factor (β=0.580, p<0.001). CONCLUSION Pravastatin increased the serum adiponectin concentration in Japanese dyslipidemic patients without previous coronary artery disease. Interestingly, this effect was seen synergistically in combination with thiazolidinedione.
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Ogawa K, Langlais RP, McDavid WD, Noujeim M, Seki K, Okano T, Yamakawa T, Sue T. Development of a new dental panoramic radiographic system based on a tomosynthesis method. Dentomaxillofac Radiol 2010; 39:47-53. [PMID: 20089744 DOI: 10.1259/dmfr/12999660] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
The objective of this study was to develop a new practical method to reconstruct a high-quality panoramic image in which radiographers would be free from the onerous task of correctly locating the patient's jaws within the image layer of the panoramic unit. In addition, dentists would be able to freely select any panoramic plane to be reconstructed after the acquisition of the raw scan data. A high-speed data acquisition device was used with a CdTe (cadmium telluride) semiconductor detector and a sophisticated digital signal-processing technique based on tomosynthesis was developed. The system processes many vertical strip images acquired with the detector and generates a high-resolution and high-contrast image. To apply the tomosynthesis technique to the acquired strip images correctly, the actual movement of the panoramic unit was measured, including the X-ray tube and detector, in a scan using a calibration phantom and the authors generated a shift amount table needed for the shift-and-add tomosynthesis operation. The results of the experiments with a PanoACT-1000 panoramic unit, which was a PC-1000 panoramic unit fitted with a high frame rate semiconductor detector SCAN-300FPC, demonstrated the capability of a tomosynthesis technique which, when applied to the strip images of a dry skull phantom, could change the location and inclination of an imaging plane. This system allowed the extraction of an optimum-quality panoramic image regardless of irregularities in patient positioning. Moreover, the authors could freely reconstruct a fine image of an arbitrary plane with different parameters from those used in the original data acquisition to study fine anatomical details in specific locations.
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Suzuki S, Furui S, Yamakawa T, Isshiki T, Watanabe A, Iino R, Kidouchi T, Nakano Y. Radiation exposure to patients' skin during cardiac resynchronization therapy. Europace 2009; 11:1683-8. [DOI: 10.1093/europace/eup302] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Nishi K, Yamakawa T, Yano K, Ohta T. Transfusion of Polyethylene Glycol Conjugate of Pyridoxylated Human Hemoglobin in Dogs with Hemorrhagic Shock. ACTA ACUST UNITED AC 2009. [DOI: 10.3109/10731198809132628] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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