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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Takuma K, Kimura Y, Okano N, Nakagawa H, Watanabe K, Yamada Y, Iwasaki S, Ito K, Igarashi Y, Matsuda T. Two-devices-in-one-channel method for fractured pancreatic duct stent retrieval in a case of severe chronic pancreatitis. J Hepatobiliary Pancreat Sci 2024; 31:e1-e2. [PMID: 37792673 DOI: 10.1002/jhbp.1369] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/04/2023] [Accepted: 09/10/2023] [Indexed: 10/06/2023]
Abstract
When a pancreatic plastic stent for symptomatic chronic pancreatitis breaks during its removal, severe pancreatic duct stenosis may complicate its retrieval. Takuma and colleagues report on the successful retrieval of a fragmented and displaced pancreatic plastic stent by applying the two-device-in-one-channel method using forceps and a snare.
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Affiliation(s)
- Kensuke Takuma
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yusuke Kimura
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Naoki Okano
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Hiroki Nakagawa
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kouji Watanabe
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuto Yamada
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Ken Ito
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Takahisa Matsuda
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
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Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Kishimoto Y, Okano N, Ito K, Takuma K, Hara S, Iwasaki S, Yoshimoto K, Yamada Y, Watanabe K, Kimura Y, Nakagawa H, Igarashi Y. Peroral pancreatoscopy with videoscopy and narrow-band imaging in intraductal papillary mucinous neoplasms with dilatation of the main pancreatic duct. Clin Endosc 2023; 56:261. [PMID: 37013393 PMCID: PMC10073851 DOI: 10.5946/ce.2021.083.e1] [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: 04/05/2023] Open
Affiliation(s)
- Yui Kishimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Naoki Okano
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Ken Ito
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Takuma
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Seiichi Hara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Yoshimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuto Yamada
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Koji Watanabe
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yusuke Kimura
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Hiroki Nakagawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
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Kimura Y, Okano N, Hoshi K, Iwata S, Ujita W, Yamada Y, Iwasaki S, Takuma K, Ito K, Igarashi Y, Matsuda T. Identification of bleeding points after bile duct biopsy using red dichromatic imaging during peroral cholangioscopy: A case report. DEN Open 2023; 3:e215. [PMID: 36843623 PMCID: PMC9947457 DOI: 10.1002/deo2.215] [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] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/01/2023] [Accepted: 02/06/2023] [Indexed: 02/25/2023]
Abstract
Red dichromatic imaging is a new image-enhancement technology that clarifies the differences in blood concentrations and improves the visibility of the bleeding point. A 71-year-old man was presented with a common bile duct stone, which was completely removed using electrohydraulic shock wave lithotripsy with peroral cholangioscopy. During peroral cholangioscopy, a nodular lesion was found at the confluence of the cystic duct, and a forceps biopsy was performed. It was difficult to confirm the bleeding point using white-light imaging because of the pooling of blood. After switching to red dichromatic imaging mode 2 and washing the bile duct with saline solution, the bleeding point was observed in darker yellow than the surrounding blood, allowing the identification of the bleeding point. Red dichromatic imaging can be used in the future to maintain hemostasis during peroral cholangioscopy.
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Affiliation(s)
- Yusuke Kimura
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Naoki Okano
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Kensuke Hoshi
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Shuntaro Iwata
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Wataru Ujita
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Yuto Yamada
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Susumu Iwasaki
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Kensuke Takuma
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Ken Ito
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Yoshinori Igarashi
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Takahisa Matsuda
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
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Fry MD, Wineinger TO, Long H, Guivernau M, Gano-Overway LA, Iwasaki S. The Influence of Climate on Flourishing and Motivational Outcomes for U.S. Masters Swimmers. Int J Environ Res Public Health 2023; 20:1990. [PMID: 36767356 PMCID: PMC9915294 DOI: 10.3390/ijerph20031990] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
The climate in which older adults exercise and participate in sport may play a role in promoting a lifetime commitment to exercising. However, little research has examined the relationship of caring (C) and task-involving (TI) climates, motivation, and well-being with respect to older adult athletes. The purpose of this study was to examine the relationship between Masters swimmers' perceptions of the climate, effort, enjoyment, and flourishing as well as explore the mediating effects of effort and enjoyment on the relationship between climate and flourishing. U.S. Masters swimmers (n = 294; Mage = 63.57 years; 84.40% White) with 1-80 years of swimming experience (M = 34.54 years) participating in coach-led programs completed an online survey. The results of latent variable, multiple-mediator analyses via structural equation modeling revealed two important contributions to the literature: (1) when Masters swimmers perceived that they were in C and TI climates, they were more likely to report higher levels of effort and greater enjoyment and flourishing; (2) the Masters swimmers' effort levels directly influenced their flourishing, mediating the relationship between climates and flourishing. This research has important implications for practice and policy, as U.S. Masters Swimming appears to be a fruitful avenue for promoting an enjoyable physical activity that can be experienced throughout a lifetime.
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Affiliation(s)
- Mary D. Fry
- Department of Educational Psychology, University of Kansas, Lawrence, KS 66045, USA
| | - Troy O. Wineinger
- Department of Educational Psychology, University of Kansas, Lawrence, KS 66045, USA
| | - Haiying Long
- Department of Educational Psychology, University of Kansas, Lawrence, KS 66045, USA
| | - Marta Guivernau
- School of Foundations, Leadership and Administration, Kent State University, Kent, OH 44240, USA
| | - Lori A. Gano-Overway
- Department of Kinesiology, James Madison University, Harrisonburg, VA 22807, USA
| | - Susumu Iwasaki
- Department of Health and Human Performance, Fort Lewis College, Durango, CO 81301, USA
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Takuma K, Okano N, Ito K, Ujita W, Iwata S, Mizutani S, Nakagawa H, Watanabe K, Yamada Y, Kimura Y, Yoshimoto K, Iwasaki S, Hara S, Kishimoto Y, Igarashi Y, Matsuda T, Amemiya K. Focal pancreatic ductal change induced by 10-Fr S-type plastic stent in chronic pancreatitis. J Gastroenterol Hepatol 2023; 38:112-118. [PMID: 36334302 DOI: 10.1111/jgh.16052] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 10/25/2022] [Accepted: 11/01/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND AIM Stent-induced ductal change (SIDC) is a complication of endoscopic pancreatic stenting (EPS) in patients with chronic pancreatitis (CP). However, the evaluation of SIDC associated with S-type pancreatic plastic stent (PS) and large-caliber PS, such as 10 Fr, is limited. This study aimed to analyze the SIDC of the main pancreatic duct (MPD) associated with 10-Fr S-type PS in patients with CP. METHODS Between January 2008 and December 2021, 132 patients with CP in whom a 10-Fr S-type PS had been installed by EPS were retrospectively reviewed. The SIDC incidence rate was examined, and the clinical features of patients with and without SIDC were investigated, including the outcomes for detected SIDC. RESULTS Stent-induced ductal change during EPS was confirmed in 41 patients (31.1%) of 132 patients at a site coincident with the PS tip or distal flap in the MPD. All patients were asymptomatic during the development of SIDC. Morphological changes in the MPD were detected as elevated (75.6%) or bearing stricture changes (24.4%). A total of 90.2% of SIDC developed after the first 10-Fr PS installation. No significant differences were noted between the patients with and without SIDC. The outcomes of continued PS installment for SIDC showed persistence and secondary change. CONCLUSIONS Stent-induced ductal change-associated 10-Fr PS installation was performed in just under one-third of the patients, indicating a substantial incidence rate and a possible development of SIDC from early stages onwards. More emphasis should be placed on SIDC as the complication.
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Affiliation(s)
- Kensuke Takuma
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Naoki Okano
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Ken Ito
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Wataru Ujita
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Shuntaro Iwata
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Saori Mizutani
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Hiroki Nakagawa
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Koji Watanabe
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuto Yamada
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yusuke Kimura
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Yoshimoto
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Seiichi Hara
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yui Kishimoto
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Takahisa Matsuda
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kazuki Amemiya
- Department of Surgical Pathology, Toho University Omori Medical Center, Tokyo, Japan
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Ito K, Okano N, Takuma K, Iwasaki S, Watanabe K, Kimura Y, Yamada Y, Yoshimoto K, Hara S, Kishimoto Y, Matsuda T, Igarashi Y. Are Newer Extracorporeal Shock Wave Lithotripsy Models Truly Improving Pancreatolithiasis Lithotripsy Performance? A Japanese Single-Center Study Using Endoscopic Adjunctive Treatment. Gut Liver 2022:gnl220204. [PMID: 36510774 PMCID: PMC10352058 DOI: 10.5009/gnl220204] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/25/2022] [Accepted: 10/07/2022] [Indexed: 12/15/2022] Open
Abstract
Background/Aims Many Japanese institutions use electromagnetic extracorporeal shock wave lithotripsy (ESWL) systems for treating pancreatic duct stones. However, there are no reports on direct comparisons between recent electromagnetic lithotripters. This study aimed to verify whether the new electromagnetic lithotripter can improve the efficiency of pancreatic stone fragmentation, and to clarify the role of combined endoscopic treatment on the clearance of pancreatic duct stones. Methods We retrospectively identified 208 patients with pancreatolithiasis who underwent endoscopic adjunctive treatment after pancreatic ESWL at a single Japanese center over a 17-year period. We evaluated the outcome data of this procedure performed with SLX-F2 (last 2 years; group A) and Lithostar/Lithoskop (first 15 years; group B), as well as additional endoscopic treatments for pancreatolithiasis. We also performed logistic regression analysis to detect various factors associated with the procedure. Results For pancreatic head stones, ESWL disintegration was achieved in 93.7% of group A patients and 69.0% of group B patients (p=0.004), and adjunctive endoscopic treatment removed stones in 96.8% of group A patients and 73.0% of group B patients (p=0.003). Multivariate analysis revealed that lithotripter type (odds ratio, 6.99; 95% confidence interval, 1.56 to 31.33; p<0.01) and main pancreatic duct stricture (odds ratio, 2.87; 95% confidence interval, 1.27 to 6.45; p<0.01) were significant factors for ESWL fragmentation. Conclusions The SLX F2 showed high performance in fragmenting the pancreatic duct stones. In addition, endoscopic adjunctive treatment improved the overall success rate of the procedure. The improved ESWL lithotripter has many advantages for patients undergoing pancreatic lithotripsy treatment.
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Affiliation(s)
- Ken Ito
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Naoki Okano
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Takuma
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Koji Watanabe
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yusuke Kimura
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuto Yamada
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Yoshimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Seiichi Hara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yui Kishimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Takahisa Matsuda
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
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Iwasaki S, Knight-Maloney M, Beattie M, Thompson M, Davis J, Ueji M, Ogasawara I. An Observation Of Stress And Physical Activity Related Variables Measured By Smartwatch And Goal Orientation In Exercise During The Covid-19 Pandemic. Med Sci Sports Exerc 2022. [DOI: 10.1249/01.mss.0000880192.83537.09] [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: 11/21/2022]
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Fry MD, Hogue CM, Claunch J, Iwasaki S. A Successful Collaboration between an Indigenous Youth Sport Program and Sport Psychology Faculty and Students. Journal of Sport Psychology in Action 2022. [DOI: 10.1080/21520704.2022.2054886] [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] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Mizutani S, Okano N, Nakagawa H, Watanabe K, Yamada Y, Kimura Y, Yoshimoto K, Iwasaki S, Hara S, Takuma K, Kishimoto Y, Ito K, Matsuda T, Igarashi Y. Endoscopic therapy for recurrent pancreatitis complicated with pancreatolithiasis in a case of annular pancreas. DEN Open 2022; 2:e122. [PMID: 35873513 PMCID: PMC9302300 DOI: 10.1002/deo2.122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/21/2022] [Accepted: 04/04/2022] [Indexed: 05/26/2023]
Abstract
Annular pancreas is a congenital abnormality in which part of the pancreatic head completely or partially surrounds the duodenum in a ring-like manner. The condition is thought to be an abnormality of the ventral pancreatic bud. While pancreatitis is a common complication of the annular pancreas, its recurrence may be prevented by improving the outflow of pancreatic juice. The present case report describes a 23-year-old woman who had been referred to our hospital for recurrent pancreatitis since childhood. An endoscopic incision was made on the orifice of the annular pancreas, after which pancreatitis of the annular pancreas did not recur for 6 years. The patient subsequently exhibited pancreatolithiasis in the dorsal pancreatic duct, which was successfully treated with endoscopic treatment. Endoscopic pancreatic sphincterotomy may prevent the recurrence of pancreatitis and avoid further surgical interventions by improving the flow of pancreatic juice.
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Affiliation(s)
- Saori Mizutani
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Naoki Okano
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Hiroki Nakagawa
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Koji Watanabe
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Yuto Yamada
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Yusuke Kimura
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Kensuke Yoshimoto
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Susumu Iwasaki
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Seiichi Hara
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Kensuke Takuma
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Yui Kishimoto
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Ken Ito
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Takahisa Matsuda
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
| | - Yoshinori Igarashi
- Division of Gastroenterology and HepatologyToho University Omori Medical CenterTokyoJapan
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Kishimoto Y, Okano N, Ito K, Takuma K, Hara S, Iwasaki S, Yoshimoto K, Ymada Y, Watanabe K, Kimura Y, Nakagawa H, Igarashi Y. Peroral Pancreatoscopy with Videoscopy and Narrow-Band Imaging in Intraductal Papillary Mucinous Neoplasms with Dilatation of the Main Pancreatic Duct. Clin Endosc 2021; 55:270-278. [PMID: 34865339 PMCID: PMC8995986 DOI: 10.5946/ce.2021.083] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 07/27/2021] [Indexed: 12/02/2022] Open
Abstract
Background/Aims Endoscopic evaluation of intraductal papillary mucinous neoplasms (IPMNs) is useful in determining whether the lesions are benign or malignant. This study aimed to examine the usefulness of peroral pancreatoscopy (POPS) in determining the prognosis of IPMNs.
Methods POPS with videoscopy was performed using the mother–baby scope technique. After surgery, computed tomography/magnetic resonance cholangiopancreatography or ultrasonography and blood tests were performed every 6 months during the follow-up.
Results A total of 39 patients with main pancreatic duct (MPD)–type IPMNs underwent POPS using a videoscope, and the protrusions in the MPD were observed in 36 patients. The sensitivity and specificity of cytology/biopsy performed at the time of POPS were 85% and 87.5%, respectively. Of 19 patients who underwent surgery, 18 (95%) patients had negative surgical margins and 1 (5%) patient had a positive margin.
Conclusions In IPMNs with dilatation of the MPD, POPS is considered effective if the lesions can be directly observed. The diagnosis of benign and malignant lesions is possible depending on the degree of lesion elevation. However, in some cases, slightly elevated lesions may increase in size during the follow-up or multiple lesions may be simultaneously present; therefore, careful follow-up is necessary.
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Affiliation(s)
- Yui Kishimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Naoki Okano
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Ken Ito
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Takuma
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Seiichi Hara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Yoshimoto
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuuto Ymada
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Koji Watanabe
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuusuke Kimura
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Hiroki Nakagawa
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan
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Niki A, Deguchi Y, Iwasaki S, Mitake T, Okuda Y, Sakaguchi A, Hirota T, Shirahama Y, Nakamichi Y, Inoue K. Gender differences in self-perceived changes among Japanese workers with depression. Occup Med (Lond) 2021; 70:680-684. [PMID: 33247305 DOI: 10.1093/occmed/kqaa202] [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] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND The number of patients living with depression continues to increase in Japan. The economic effects of depression include loss of productivity due to both absenteeism and presenteeism. Gender differences have been reported in prevalence, onset pathways and subjective symptoms of depression. AIMS To understand how workers with major depressive disorder (MDD) perceive problems in the workplace and examine gender differences in their self-perceived levels of functioning at work, noticed during the initial stages of depression. METHODS This is a cross-sectional study of Japanese workers with MDD. Participants' self-perceived changes in the level of functioning at work were surveyed after the diagnosis during the first visit. The relationship between gender and changes in the level of functioning at work as initially perceived by the participants themselves was analysed using the chi-square test, supplemented by a residual analysis. RESULTS We administered the survey to 147 workers with MDD. In terms of gender differences in initial self-perceived changes in the level of functioning at work, the proportion of men reporting reduced work efficiency was significantly higher than that of women, while the proportion of women reporting deterioration in relationships with colleagues and superiors was significantly higher than that of men. CONCLUSIONS The findings suggest that greater attention to reduced work efficiency by men and to deterioration in work relationships by women with MDD should be essential components of self-care. Managers need to pay attention to the level of functioning and provide adequate social support for employees.
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Affiliation(s)
- A Niki
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Deguchi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - S Iwasaki
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - T Mitake
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Okuda
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - A Sakaguchi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - T Hirota
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Shirahama
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Nakamichi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - K Inoue
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
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Scott CE, Wineinger TO, Iwasaki S, Fry MD. Creating an Optimal Motivational Team Climate to Help Collegiate Athletes Thrive during the COVID-19 Pandemic. Journal of Sport Psychology in Action 2021. [DOI: 10.1080/21520704.2021.1876194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | | | | | - Mary D. Fry
- The University of Kansas, Lawrence, Kansas, USA
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Okano N, Igarashi Y, Ito K, Mizutani S, Nakagawa H, Watanabe K, Yamada Y, Yoshimoto K, Kimura Y, Iwasaki S, Takuma K, Hara S, Kishimoto Y. Efficacy of Hypertonic Saline-Epinephrine Local Injection Around the Anal Side before Endoscopic Papillectomy for Ampullary Tumors. Clin Endosc 2021; 54:706-712. [PMID: 33687856 PMCID: PMC8505187 DOI: 10.5946/ce.2020.208] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 08/24/2020] [Accepted: 12/02/2020] [Indexed: 12/16/2022] Open
Abstract
Background/Aims Bleeding is a complication of endoscopic snare papillectomy for ampullary tumors. This study aimed to investigate the clinical efficacy of hypertonic saline-epinephrine (HSE) local injection before endoscopic papillectomy for prevention of bleeding.
Methods We retrospectively reviewed the data of 107 consecutive patients with ampullary tumors who underwent endoscopic papillectomy. The rates of en bloc resection, pathological resection margins, and prevention of immediate or delayed bleeding in the simple snaring resection group (Group A) and the HSE injection group (Group B) were compared.
Results A total of 44 and 63 patients were enrolled in Groups A and B, respectively. The total complete resection rate was 89.7% (96/107); the clinical complete resection rates in Group A and Group B were 86.3% (38/44) and 92.1% (58/63), respectively (p=0.354). Post-papillectomy bleeding occurred in 22 patients. In Groups A and B, the immediate bleeding rates were 20.5% (9/44) and 4.8% (3/63), respectively (p=0.0255), while the delayed bleeding rates were 7% (3/44) and 11% (7/63), respectively (p=0.52). The rates of positive horizontal and vertical pathological margin in both groups were 27% and 16%, respectively.
Conclusions HSE local injection was effective in preventing immediate bleeding and was useful for safely performing endoscopic papillectomy for ampullary tumors.
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Affiliation(s)
- Naoki Okano
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Ken Ito
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Saori Mizutani
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Hiroki Nakagawa
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kouji Watanabe
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuuto Yamada
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Yoshimoto
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuusuke Kimura
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Takuma
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Seiichi Hara
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yuui Kishimoto
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
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Iwasaki S, Ogasawara I. A Pilot Study To Examine Collegiate Athletes’ Attentional Focus And Goal Orientations With And Without Injury Experience. Med Sci Sports Exerc 2020. [DOI: 10.1249/01.mss.0000677724.70239.43] [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: 11/21/2022]
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17
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Peltonen GL, Sato T, Iwasaki S. Effects Of A Personalized Six-week Resistance Exercise Program On Senior Citizens’ Cardiometabolic Health And Adherence. Med Sci Sports Exerc 2020. [DOI: 10.1249/01.mss.0000678868.13816.c1] [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: 11/21/2022]
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18
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Ogasawara I, Shimokochi Y, Iwasaki S, Nakata K. Classification Of Lower Limb Frontal Plane Excursion During Single-legged Landing Using Principal Component Analysis Of Inertia Sensor Data. Med Sci Sports Exerc 2020. [DOI: 10.1249/01.mss.0000685884.79546.27] [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: 11/21/2022]
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19
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Fry M, Reid-Pinson C, Iwasaki S, Thompson J. Bridging Theory, Research, and Practice in Youth Sports: Sport Psychology’s Partnership with Positive Coaching Alliance to Enhance Youth Sport. Journal of Sport Psychology in Action 2020. [DOI: 10.1080/21520704.2019.1649336] [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] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Mary Fry
- University of Kansas, Lawrence, Kansas, USA
| | | | | | - Jim Thompson
- Positive Coaching Alliance, Mountain View, California, USA
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20
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Nitta T, Deguchi Y, Iwasaki S, Kanchika M, Inoue K. Depression and occupational stress in Japanese school principals and vice-principals. Occup Med (Lond) 2018; 69:39-46. [DOI: 10.1093/occmed/kqy149] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- T Nitta
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - Y Deguchi
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | - S Iwasaki
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
| | | | - K Inoue
- Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan
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21
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Ito K, Okano N, Hara S, Takuma K, Yoshimoto K, Iwasaki S, Kishimoto Y, Igarashi Y. 10 Fr S-Type Plastic Pancreatic Stents in Chronic Pancreatitis Are Effective for the Treatment of Pancreatic Duct Strictures and Pancreatic Stones. Gastroenterol Res Pract 2018; 2018:6056379. [PMID: 30498511 PMCID: PMC6222234 DOI: 10.1155/2018/6056379] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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] [Received: 04/24/2018] [Revised: 08/24/2018] [Accepted: 09/26/2018] [Indexed: 01/19/2023] Open
Abstract
AIM Endoscopic pancreatic stenting for refractory pancreatic duct strictures associated with impacted pancreatic stones in chronic pancreatitis cases has yielded conflicting results. We retrospectively evaluated the efficacy of endoscopic treatment in chronic pancreatitis patients with pancreatic duct strictures. METHODS Pancreatic sphincterotomy, dilatation procedures, pancreatic brush cytology, and pancreatic juice cytology were routinely performed, and malignant diseases were excluded. After gradual dilatation, a 10 Fr plastic pancreatic stent was inserted. The stents were replaced every 3 months and removed after the strictures were dilated. Statistical analyses were performed to determine the risk of main pancreatic duct restenosis. RESULTS Endoscopic pancreatic stents were successfully placed in 41 of a total of 59 patients (69.5%). The median duration of pancreatic stenting was 276 days. Pain relief was obtained in 37 of 41 patients (90.2%). Seventeen patients (41.5%) had recurrence of main pancreatic duct stricture, and restenting was performed in 16 patients (average placement period 260 days). During the follow-up period, pancreatic cancer developed in three patients (5.1%). Multivariate analysis revealed that the presence of remnant stones after stenting treatment was significantly associated with a higher rate of main pancreatic duct restenosis (p = 0.03). CONCLUSION The use of 10 Fr S-type plastic pancreatic stents with routine exchange was effective for both short-term and long-term outcomes in chronic pancreatitis patients with benign pancreatic duct strictures and impacted pancreatic stones.
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Affiliation(s)
- Ken Ito
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Naoki Okano
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Seiichi Hara
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Takuma
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Kensuke Yoshimoto
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yui Kishimoto
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Toho University Omori Medical Center, Tokyo, Japan
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Affiliation(s)
- S Iwasaki
- Department of Neuropsychiatry, Osaka City University Graduate School of Medicine, Osaka City, Osaka, Japan
| | - Y Deguchi
- Department of Neuropsychiatry, Osaka City University Graduate School of Medicine, Osaka City, Osaka, Japan
| | - K Inoue
- Department of Neuropsychiatry, Osaka City University Graduate School of Medicine, Osaka City, Osaka, Japan
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Lin Y, Li S, Tamaru N, Iwasaki S, Wang R, Kobayashi Y. Therapeutic effect s of Ginkgo beloba leaf preparations on psoriasis. Am J Transl Res 2017. [DOI: 10.1055/s-0037-1608179] [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] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Y Lin
- Medical Corporation Soujikai, Osaka, Japan
| | - S Li
- Medical Corporation Soujikai, Osaka, Japan
| | - N Tamaru
- Medical Corporation Soujikai, Osaka, Japan
| | - S Iwasaki
- Medical Corporation Soujikai, Osaka, Japan
| | - R Wang
- Zhejiang CONBA Pharmaceutical & Drug Research Development Corporation, Hangzhou, China
| | - Y Kobayashi
- Faculty of Medicine, Shimane University, Izumo, Japan
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Ishiyama D, Yamada M, Makino A, Iwasaki S, Otobe Y, Shinohara A, Nishio N, Kimura Y, Itagaki A, Koyama S, Yagi M, Matsunaga Y, Mizuno K, Matsushita K. The cut-off point of short physical performance battery score for sarcopenia in older cardiac inpatients. Eur Geriatr Med 2017. [DOI: 10.1016/j.eurger.2017.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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25
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Yoshimizu S, Chino A, Miyamoto Y, Tagao F, Iwasaki S, Ide D, Tamegai Y, Igarashi M, Saito S, Fujisaki J. Efficacy of hyperbaric oxygen therapy in patients with radiation-induced rectal ulcers: Report of five cases. Dig Endosc 2017; 29:718-722. [PMID: 28349612 DOI: 10.1111/den.12880] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [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: 01/26/2017] [Accepted: 03/23/2017] [Indexed: 12/21/2022]
Abstract
For decades, hyperbaric oxygen therapy has been considered a treatment option in patients with chronic radiation-induced proctitis after pelvic radiation therapy. Refractory cases of chronic radiation-induced proctitis include ulceration, stenosis, and intestinal fistulas with perforation. Appropriate treatment needs to be given. In the present study, we assessed the efficacy of hyperbaric oxygen therapy in five patients with radiation-induced rectal ulcers. Significant improvement and complete ulcer resolution were observed in all treated patients; no side-effects were reported. Hyperbaric oxygen therapy has a low toxicity profile and appears to be highly effective in patients with radiation-induced rectal ulcers. However, hyperbaric oxygen therapy alone failed to improve telangiectasia and easy bleeding in four of the five patients; these patients were further treated with argon plasma coagulation (APC). Although hyperbaric oxygen therapy may be effective in healing patients with ulcers, it seems inadequate in cases with easy bleeding. Altogether, these data suggest that combination therapy with hyperbaric oxygen therapy and APC may be an effective and safe treatment strategy in patients with radiation-induced rectal ulcers.
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Affiliation(s)
- Shoichi Yoshimizu
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Akiko Chino
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Yuji Miyamoto
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Fuyuki Tagao
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Susumu Iwasaki
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Daisuke Ide
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Yoshiro Tamegai
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Masahiro Igarashi
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Shoichi Saito
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
| | - Junko Fujisaki
- Division of Gastroenterology, Cancer Institute Hospital, Tokyo, Japan
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Sugiyama K, Kanda K, Iwasaki S, Nakazawa M, Hashikura H, Iguchi T, Sekimoto H, Itoh S, Sumita K, Takahashi A, Yamamoto J. Integral Experiments in a 120-cm Lithium Sphere. ACTA ACUST UNITED AC 2017. [DOI: 10.13182/fst85-a39977] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K. Sugiyama
- Tohoku University Department of Nuclear Engineering Aramaki-Aoba, Sendai 980, Japan (0222) 22-1800
| | - K. Kanda
- Tohoku University Department of Nuclear Engineering Aramaki-Aoba, Sendai 980, Japan (0222) 22-1800
| | - S. Iwasaki
- Tohoku University Department of Nuclear Engineering Aramaki-Aoba, Sendai 980, Japan (0222) 22-1800
| | - M. Nakazawa
- University of Tokyo Nuclear Engineering Research Laboratory Tokai-mura, Ibaraki-ken, 319-11, Japan (0292) 82-1611
| | - H. Hashikura
- University of Tokyo Nuclear Engineering Research Laboratory Tokai-mura, Ibaraki-ken, 319-11, Japan (0292) 82-1611
| | - T. Iguchi
- University of Tokyo Department of Nuclear Engineering Hongo, Bunkyo-ku, Tokyo 113, Japan (03) 812-2111
| | - H. Sekimoto
- Tokyo Institute of Technology Research Laboratory of Nuclear Reactors O-okayama, Meguro-ku, Tokyo 152, Japan (03) 726-1111
| | - S. Itoh
- Nagoya University Department of Nuclear EngineeringFuro-cho, Chikusa-ku, Nagoya 464, Japan (052) 781-5111
| | - K. Sumita
- Osaka University Department of Nuclear EngineeringYamadaoka, Suita, Osaka 565, Japan (06) 877-5111
| | - A. Takahashi
- Osaka University Department of Nuclear EngineeringYamadaoka, Suita, Osaka 565, Japan (06) 877-5111
| | - J. Yamamoto
- Osaka University Department of Nuclear EngineeringYamadaoka, Suita, Osaka 565, Japan (06) 877-5111
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Chamberlin JM, Fry MD, Iwasaki S. High School Athletes' Perceptions of the Motivational Climate in Their Off-Season Training Programs. J Strength Cond Res 2016; 31:736-742. [PMID: 27379952 DOI: 10.1519/jsc.0000000000001533] [Citation(s) in RCA: 5] [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] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Chamberlin, JM, Fry, MD, and Iwasaki, S. High school athletes' perceptions of the motivational climate in their off-season training programs. J Strength Cond Res 31(3): 736-742, 2017-Athletes benefit tremendously from working hard in off-season training (OST) because it sets them up to avoid injuries and perform their best during the season. Ironically, many athletes struggle to stay motivated to participate regularly in this training. Research has highlighted the benefits for athletes perceiving a caring and task-involving climate, where they gauge their success based on their personal effort and improvement, and perceive each member of the team is treated with mutual kindness and respect. Athletes who perceive a caring and task-involving climate on their teams are more likely to report greater adaptive motivational responses. Research has not currently examined athletes' perceptions of the climate in OST programs. The purpose of this study was to examine the relationship between athletes' perceptions of the climate in an OST program and their motivational responses. High school athletes (N = 128; 90 males 35 females; mean age = 15.3 years) participating in summer OST programs completed a survey that included measures of intrinsic motivation, commitment, their valuing OST, feeling like it is their decision to participate in OST, their perceptions that their teammates take OST seriously, and attendance. A canonical correlation revealed that athletes, who perceived a highly caring and task-involving climate reported higher intrinsic motivation, value of and commitment to OST; attendance; and perceived teammates take OST seriously. Results suggest that creating a caring and task-involving climate in OST programs may help athletes optimize their motivation to participate in important strength and conditioning programs.
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Affiliation(s)
- Jacob M Chamberlin
- 1Sport and Exercise Psychology Lab, Department of Health, Sport and Exercise Science, University of Kansas, Lawrence, Kansas; and 2Department of Exercise Science, Fort Lewis College, Durango, Colorado
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Ishiguro N, Oyamada R, Nasuhara Y, Yamada T, Miyamoto T, Imai S, Akizawa K, Fukumoto T, Iwasaki S, Iijima H, Ono K. Three-day regimen of oseltamivir for postexposure prophylaxis of influenza in wards. J Hosp Infect 2016; 94:150-3. [PMID: 27346624 DOI: 10.1016/j.jhin.2016.05.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [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: 11/04/2015] [Accepted: 05/17/2016] [Indexed: 11/15/2022]
Abstract
Inpatients who had been in close contact with patients with influenza were given oseltamivir [75mg capsules once daily for adults or 2mg/kg (maximum of 75mg) once daily for children] for three days as postexposure prophylaxis (PEP). The index patients with influenza were prescribed a neuraminidase inhibitor and were discharged immediately or transferred to isolation rooms. The protective efficacy of oseltamivir for three days was 93% overall [95% confidence interval (CI) 53-99%; P=0.023] and 94% for influenza A (95% CI 61-99%; P=0.017), which is comparable to that of seven- to 10-day regimens of oseltamivir as PEP.
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Affiliation(s)
- N Ishiguro
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan.
| | - R Oyamada
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan
| | - Y Nasuhara
- Division of Hospital Safety Management, Hokkaido University Hospital, Sapporo, Japan
| | - T Yamada
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - T Miyamoto
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - S Imai
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - K Akizawa
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - T Fukumoto
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - S Iwasaki
- Infection Control Team, Hokkaido University Hospital, Sapporo, Japan; Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - H Iijima
- Clinical Research and Medical Innovation Centre, Hokkaido University Hospital, Sapporo, Japan
| | - K Ono
- Clinical Research and Medical Innovation Centre, Hokkaido University Hospital, Sapporo, Japan
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Iwasaki S, Sogabe A, Iredale F, Sasaki T. An Assessment Of Australian Judo Practitioners’ Perceptions Of Motivational Climate, Mindfulness, Aggression, And Social Skills. Med Sci Sports Exerc 2016. [DOI: 10.1249/01.mss.0000487523.52815.34] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Miyamoto K, Iwasaki S, Doi R, Ota T, Kawano Y, Yamashita J, Sakai Y, Tada N, Ochiai M, Hayashi S, Nakanishi W, Uchiyama M. Mechanistic Studies on the Generation and Properties of Superelectrophilic Singlet Carbenes from Bis(perfluoroalkanesulfonyl)bromonium Ylides. J Org Chem 2016; 81:3188-98. [DOI: 10.1021/acs.joc.6b00142] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kazunori Miyamoto
- Graduate
School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo
Bunkyo-ku, Tokyo 113-0033, Japan
| | - Susumu Iwasaki
- Graduate
School of Pharmaceutical Sciences, The University of Tokushima, 30-8 Shomachi, Tokushima 770-8505, Japan
| | - Ryusuke Doi
- Graduate
School of Pharmaceutical Sciences, The University of Tokushima, 30-8 Shomachi, Tokushima 770-8505, Japan
| | - Taiga Ota
- Graduate
School of Pharmaceutical Sciences, The University of Tokushima, 30-8 Shomachi, Tokushima 770-8505, Japan
| | - Yufuko Kawano
- Graduate
School of Pharmaceutical Sciences, The University of Tokushima, 30-8 Shomachi, Tokushima 770-8505, Japan
| | - Junpei Yamashita
- Graduate
School of Pharmaceutical Sciences, The University of Tokushima, 30-8 Shomachi, Tokushima 770-8505, Japan
| | - Yuuta Sakai
- Graduate
School of Pharmaceutical Sciences, The University of Tokushima, 30-8 Shomachi, Tokushima 770-8505, Japan
| | - Norihiro Tada
- Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan
| | - Masahito Ochiai
- Graduate
School of Pharmaceutical Sciences, The University of Tokushima, 30-8 Shomachi, Tokushima 770-8505, Japan
| | - Satoko Hayashi
- Department
of Materials Science and Chemistry, Faculty of Systems Engineering, Wakayama University, 930 Sakaedani, Wakayama 640-8510, Japan
| | - Waro Nakanishi
- Department
of Materials Science and Chemistry, Faculty of Systems Engineering, Wakayama University, 930 Sakaedani, Wakayama 640-8510, Japan
| | - Masanobu Uchiyama
- Graduate
School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo
Bunkyo-ku, Tokyo 113-0033, Japan
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Iwasaki S, Kamisawa T, Koizumi S, Chiba K, Tabata T, Kuruma S, Kuwata G, Fujiwara T, Koizumi K, Arakawa T, Momma K, Hara S, Igarashi Y. Characteristic findings of endoscopic retrograde cholangiopancreatography in autoimmune pancreatitis. Gut Liver 2015; 9:113-7. [PMID: 25167792 PMCID: PMC4282851 DOI: 10.5009/gnl13473] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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] [Indexed: 01/15/2023] Open
Abstract
Background/Aims Diffuse or segmental irregular narrowing of the main pancreatic duct (MPD), as observed by endoscopic retrograde cholangiopancreatography (ERCP), is a characteristic feature of autoimmune pancreatitis (AIP). Methods ERCP findings were retrospectively examined in 40 patients with AIP in whom irregular narrowing of the MPD was detected near the orifice. The MPD opening sign was defined as the MPD within 1.5 cm from the orifice being maintained. The distal common bile duct (CBD) sign was defined as the distal CBD within 1.5 cm from the orifice being maintained. Endoscopic findings of a swollen major papilla and histological findings of specimens obtained from the major papilla were examined in 26 and 21 patients, respectively. Results The MPD opening sign was detected in 26 of the 40 patients (65%). The distal CBD sign was detected in 25 of the 32 patients (78%), which showed stenosis of the lower bile duct. The patients who showed the MPD opening sign frequently showed the distal CBD sign (p=0.018). Lymphoplasmacytic infiltration, but not dense fibrosis, was histologically detected in biopsy specimens obtained from the major papilla. Conclusions On ERCP, the MPD and CBD adjacent to the major papilla are frequently maintained in patients with AIP involving the pancreatic head. These signs are useful for diagnosing AIP on ERCP.
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Affiliation(s)
- Susumu Iwasaki
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, and Division of Gastroenterology and Hepatology, Omori Medical Center, Toho University School of Medicine, Tokyo, Japan
| | - Terumi Kamisawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Satomi Koizumi
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Kazuro Chiba
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Taku Tabata
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Sawako Kuruma
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Go Kuwata
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Takashi Fujiwara
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Koichi Koizumi
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Takeo Arakawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Kumiko Momma
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Seiichi Hara
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Yoshinori Igarashi
- Division of Gastroenterology and Hepatology, Omori Medical Center, Toho University School of Medicine, Tokyo, Japan
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32
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Koizumi S, Kamisawa T, Kuruma S, Tabata T, Chiba K, Iwasaki S, Kuwata G, Fujiwara T, Fujiwara J, Arakawa T, Koizumi K, Momma K. Organ Correlation in IgG4-Related Diseases. J Korean Med Sci 2015; 30:743-8. [PMID: 26028927 PMCID: PMC4444475 DOI: 10.3346/jkms.2015.30.6.743] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Accepted: 01/28/2015] [Indexed: 12/24/2022] Open
Abstract
IgG4-related disease (IgG4-RD) is a potentially multiorgan disorder. In this study, clinical and serological features from 132 IgG4-RD patients were compared about organ correlations. Underlying pathologies comprised autoimmune pancreatitis (AIP) in 85 cases, IgG4-related sclerosing cholangitis (IgG4-SC) in 12, IgG4-related sialadenitis (IgG4-SIA) in 56, IgG4-related dacryoadenitis (IgG4-DAC) in 38, IgG4-related lymphadenopathy (IgG4-LYM) in 20, IgG4-related retroperitoneal fibrosis (IgG4-RF) in 19, IgG4-related kidney disease (IgG4-KD) in 6, IgG4-related pseudotumor (IgG4-PT) in 3. Sixty-five patients (49%) had multiple IgG4-RD (two affected organs in 36 patients, three in 19, four in 8, five in 1, and six in 1). Serum IgG4 levels were significantly higher with multiple lesions than with a single lesion (P<0.001). The proportion of association with other IgG4-RD was 42% in AIP, the lowest of all IgG4-RDs. Serum IgG4 level was lower in AIP than in other IgG4-RDs. Frequently associated IgG4-RDs were SIA (25%) and DAC (12%) for AIP; AIP (75%) for IgG4-SC; DAC (57%), AIP (38%) and LYM (27%) for IgG4-SIA; AIP (26%) and LYM (26%) for IgG4-DAC; SIA (75%), DAC (50%) and AIP (45%) for IgG4-LYM; SIA (58%), AIP (42%) and LYM (32%) for IgG4-RF; AIP (100%) and SIA (67%) for IgG4-KID; and DAC (67%) and SIA (67%) for IgG4-PT. Most associated IgG4-RD lesions were diagnosed simultaneously, but IgG4-SIA and IgG4-DAC were sometimes identified before other lesions. About half of IgG4-RD patients had multiple IgG4-RD lesions, and some associations were seen between specific organs.
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Affiliation(s)
- Satomi Koizumi
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Terumi Kamisawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Sawako Kuruma
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Taku Tabata
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Kazuro Chiba
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Susumu Iwasaki
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Go Kuwata
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Takashi Fujiwara
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Junko Fujiwara
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Takeo Arakawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Koichi Koizumi
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
| | - Kumiko Momma
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Tokyo Japan
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33
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Sogabe A, Iwasaki S, Maehara K, Srerkowicz S, Sterkowicz K, Sasaki T. An Exploration of Aggression and Social Skills among Japanese and Polish Judo Practitioners. Med Sci Sports Exerc 2015. [DOI: 10.1249/01.mss.0000476474.72280.ec] [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: 11/21/2022]
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34
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Yoshimura A, Sugenoya Y, Uda S, Inui K, Iwasaki S, Taira T, Ideura T. Expression of apoptosis-preventing Bcl-2 protein and -inducing Fas antigen in glomeruli of IgA nephropathy. Contrib Nephrol 2015; 118:48-53. [PMID: 8744039 DOI: 10.1159/000425075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- A Yoshimura
- Department of Internal Medicine, Showa University Fujigaoka Hospital, Yokohama, Japan
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35
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Kurata M, Honda G, Okuda Y, Kobayashi S, Sakamoto K, Iwasaki S, Chiba K, Tabata T, Kuruma S, Kamisawa T. Preoperative detection and handling of aberrant right posterior sectoral hepatic duct during laparoscopic cholecystectomy. J Hepatobiliary Pancreat Sci 2015; 22:558-62. [DOI: 10.1002/jhbp.252] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 03/12/2015] [Indexed: 01/12/2023]
Affiliation(s)
- Masanao Kurata
- Department of Surgery; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; 3-18-22 Honkomagome Bunkyo-ku Tokyo 113-8677 Japan
| | - Goro Honda
- Department of Surgery; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; 3-18-22 Honkomagome Bunkyo-ku Tokyo 113-8677 Japan
| | - Yukihiro Okuda
- Department of Surgery; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; 3-18-22 Honkomagome Bunkyo-ku Tokyo 113-8677 Japan
| | - Shin Kobayashi
- Department of Surgery; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; 3-18-22 Honkomagome Bunkyo-ku Tokyo 113-8677 Japan
| | - Katsunori Sakamoto
- Department of Surgery; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; 3-18-22 Honkomagome Bunkyo-ku Tokyo 113-8677 Japan
| | - Susumu Iwasaki
- Department of Internal Medicine; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; Tokyo Japan
| | - Kazuro Chiba
- Department of Internal Medicine; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; Tokyo Japan
| | - Taku Tabata
- Department of Internal Medicine; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; Tokyo Japan
| | - Sawako Kuruma
- Department of Internal Medicine; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; Tokyo Japan
| | - Terumi Kamisawa
- Department of Internal Medicine; Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital; Tokyo Japan
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Kamisawa T, Kuruma S, Tabata T, Chiba K, Iwasaki S, Koizumi S, Kurata M, Honda G, Itoi T. Pancreaticobiliary maljunction and biliary cancer. J Gastroenterol 2015; 50:273-9. [PMID: 25404143 DOI: 10.1007/s00535-014-1015-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [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: 10/28/2014] [Accepted: 10/30/2014] [Indexed: 02/07/2023]
Abstract
Pancreaticobiliary maljunction (PBM) is a congenital malformation in which the pancreatic and bile ducts join anatomically outside the duodenal wall. Japanese clinical practice guidelines on how to deal with PBM were made in 2012, representing a world first. According to the 2013 revision to the diagnostic criteria for PBM, in addition to direct cholangiography, diagnosis can be made by magnetic resonance cholangiopancreatography (MRCP), 3-dimensional drip infusion cholangiography computed tomography, endoscopic ultrasonography (US), or multiplanar reconstruction images by multidetector row computed tomography. In PBM, the common channel is so long that sphincter action does not affect the pancreaticobiliary junction, and pancreatic juice frequently refluxes into the biliary tract. Persistence of refluxed pancreatic juice injures epithelium of the biliary tract and promotes cancer development, resulting in higher rates of carcinogenesis in the biliary tract. In a nationwide survey, biliary cancer was detected in 21.6% of adult patients with congenital biliary dilatation (bile duct cancer, 32.1% vs. gallbladder cancer, 62.3%) and in 42.4% of PBM patients without biliary dilatation (bile duct cancer, 7.3% vs. gallbladder cancer, 88.1%). Pathophysiological conditions due to pancreatobiliary reflux occur in patients with high confluence of pancreaticobiliary ducts, a common channel ≥6 mm long, and occlusion of communication during contraction of the sphincter. Once the diagnosis of PBM is established, immediate prophylactic surgery is recommended. However, the surgical strategy for PBM without biliary dilatation remains controversial. To detect PBM without biliary dilatation early, MRCP is recommended for patients showing gallbladder wall thickening on screening US under suspicion of PBM.
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Affiliation(s)
- Terumi Kamisawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan,
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Yoshimoto R, Iwasaki S, Takago H, Nakajima T, Sahara Y, Kitamura K. Developmental increase in hyperpolarization-activated current regulates intrinsic firing properties in rat vestibular ganglion cells. Neuroscience 2014; 284:632-642. [PMID: 25450961 DOI: 10.1016/j.neuroscience.2014.10.034] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [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: 07/14/2014] [Revised: 10/21/2014] [Accepted: 10/22/2014] [Indexed: 12/22/2022]
Abstract
The primary vestibular neurons convey afferent information from hair cells in the inner ear to the vestibular nuclei and the cerebellum. The intrinsic firing properties of vestibular ganglion cells (VGCs) are heterogeneous to sustained membrane depolarization, and undergo marked developmental changes from phasic to tonic types during the early postnatal period. Previous studies have shown that low-voltage-activated potassium channels, Kv1 and Kv7, play a critical role in determining the firing pattern of VGCs. In the present study, we explored the developmental changes in the properties of hyperpolarization-activated current (Ih) in rat VGCs and the role played by Ih in determining the firing properties of VGCs. Tonic firing VGCs showed a larger current density of Ih as compared to phasic firing VGCs, and tonic firing VGCs became phasic firing in the presence of ZD7288, an Ih channel blocker, indicating that Ih contributes to control the firing pattern of VGCs. The amplitude of Ih increased and the activation kinetics of Ih became faster during the developmental period. Analysis of developmental changes in the expression of hyperpolarization-activated cyclic nucleotide-gated cation (HCN) channels revealed that expression of HCN1 protein and its mRNA increased during the developmental period, whereas expression of HCN2-4 protein and its mRNA did not change. Our results suggest that HCN1 channels as well as Kv1 channels are critical in determining the firing pattern of rat VGCs and that developmental up-regulation of HCN1 transforms VGCs from phasic to tonic firing phenotypes.
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Affiliation(s)
- R Yoshimoto
- Department of Otolaryngology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - S Iwasaki
- Department of Otolaryngology, Faculty of Medicine, University of Tokyo, Tokyo, Japan.
| | - H Takago
- Department of Rehabilitation for Sensory Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Saitama, Japan
| | - T Nakajima
- Department of Circular Physiology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Y Sahara
- Department of Physiology, Iwate Medical University, School of Dentistry, Iwate, Japan
| | - K Kitamura
- Department of Otolaryngology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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Iwasaki S, Sogabe A, Fry MD. Associations Among Japanese College Students’ Goal Orientations, Enjoyment, Mindfulness, And Subjective Vitality. Med Sci Sports Exerc 2014. [DOI: 10.1249/01.mss.0000493819.47734.c2] [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: 11/21/2022]
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39
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Kamisawa T, Kuruma S, Tabata T, Chiba K, Iwasaki S. [Pancreaticobiliary maljunction and the revised diagnostic criteria]. Nihon Shokakibyo Gakkai Zasshi 2014; 111:681-689. [PMID: 24769456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Affiliation(s)
- Terumi Kamisawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital
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40
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Kuruma S, Kamisawa T, Tabata T, Chiba K, Iwasaki S, Fujiwara T, Kuwata G, Egarashira H, Koizumi K, Koizumi S, Endo Y, Fujiwara J, Arakawa T, Momma K. Allergen-specific IgE antibody serologic assays in patients with autoimmune pancreatitis. Intern Med 2014; 53:541-3. [PMID: 24633022 DOI: 10.2169/internalmedicine.53.0963] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [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: 11/06/2022] Open
Abstract
OBJECTIVE To clarify the allergic manifestations in patients with autoimmune pancreatitis (AIP). METHODS We assessed 67 AIP patients, before they received steroid therapy, for a past history of allergic disease, the peripheral eosinophil count (n=62) and the serum IgE level (n=53). Allergen-specific IgE antibody serologic assays were performed in 15 patients. RESULTS A positive past history and/or the presence of active allergic disease were found in 24 AIP patients (36%), including 15 patients with acute allergic rhinitis and eight patients with bronchial asthma. Peripheral eosinophilia and elevation of the serum IgE level were detected in 16% (10/62) and 60% (32/53) of the patients, respectively. Allergen-specific IgE antibody serologic assays were positive in 13 patients (87%). There were no differences between the assay-positive and -negative patients regarding the clinical profiles. CONCLUSION In conclusion, 87% of the 15 AIP patients tested had positive allergen-specific IgE antibody serologic assays. Allergic mechanisms may be related to the occurrence of AIP.
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Affiliation(s)
- Sawako Kuruma
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, Japan
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41
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Koizumi S, Kamisawa T, Kuruma S, Tabata T, Chiba K, Iwasaki S, Endo Y, Kuwata G, Koizumi K, Shimosegawa T, Okazaki K, Chiba T. Immunoglobulin G4-related gastrointestinal diseases, are they immunoglobulin G4-related diseases? World J Gastroenterol 2013; 19:5769-5774. [PMID: 24124321 PMCID: PMC3793131 DOI: 10.3748/wjg.v19.i35.5769] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 05/30/2013] [Accepted: 07/19/2013] [Indexed: 02/06/2023] Open
Abstract
In immunoglobulin G4 (IgG4)-related disease (RD), organ enlargement or nodular lesions consisting of abundant infiltration of lymphocytes and IgG4-positive plasma cells and fibrosis are seen in various organs. Although infiltration of many IgG4-positive plasma cells is detected in the gastric and colonic mucosa and major duodenal papilla of patients with autoimmune pancreatitis, it cannot be diagnosed as a gastrointestinal lesion involved in IgG4-RD, because none of the following is observed in these lesions: a mass-like formation; dense fibrosis; or obliterative phlebitis. Based on our review of the literature, there appear to be two types of IgG4-related gastrointestinal disease. One is a gastrointestinal lesion showing marked thickening of the wall of the esophagus and stomach, consisting of dense fibrosis with abundant infiltration of IgG4-positive plasma cells, which usually show submucosal spreading. The other is an IgG4-related pseudotumor occurring in gastrointestinal regions such as the stomach, colon, and major duodenal papilla, showing polypoid or mass-like lesions. Most solitary IgG4-related gastrointestinal lesions that are not associated with other IgG4-RD appear to be difficult to diagnose. It is of utmost importance to rule out malignancy. However, these lesions may respond to steroid therapy. To avoid unnecessary resection, IgG4-related gastrointestinal diseases should be considered in the differential diagnosis.
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Kanemasa Y, Kamisawa T, Tabata T, Kuruma S, Iwasaki S, Chiba K, Kuwata G, Fujiwara T, Egashira H, Koizumi K, Fujiwara J, Arakawa T, Momma K, Rokutan H, Horiguchi S, Hishima T. Mixed acinar-endocrine carcinoma of the pancreas treated with S-1. Clin J Gastroenterol 2013; 6:459-64. [PMID: 26182137 DOI: 10.1007/s12328-013-0416-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [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: 05/07/2013] [Accepted: 08/15/2013] [Indexed: 12/13/2022]
Abstract
The case of a 63-year-old male with a large mass in the pancreatic tail and multiple liver metastases, diagnosed as acinar cell carcinoma of the pancreas with a few scattered endocrine cells by liver biopsy is presented. The S-1 chemotherapy was effective, and partial response was obtained with decreased levels of serum CA19.9 and NSE. Ten months after starting chemotherapy, the tumor began to grow accompanied by marked elevation of serum NSE levels (266 ng/ml). The patient died of liver failure due to multiple liver metastasis 18 months after the initiation of the S-1 chemotherapy. Histological findings at autopsy were acinar cell carcinoma with an endocrine component of more than 30 %; the final diagnosis was mixed acinar-endocrine carcinoma of the pancreas. This pathological change and clinical course may imply that S-1 was effective against the acinar component but less effective against the neuroendocrine component caused by tumor differentiation.
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Affiliation(s)
- Yusuke Kanemasa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Terumi Kamisawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan.
| | - Taku Tabata
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Sawako Kuruma
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Susumu Iwasaki
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Kazuro Chiba
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Go Kuwata
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Takashi Fujiwara
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Hideto Egashira
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Koichi Koizumi
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Junko Fujiwara
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Takeo Arakawa
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Kumiko Momma
- Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan
| | - Hirofumi Rokutan
- Departments of Pathology, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | | | - Tsunekazu Hishima
- Departments of Pathology, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
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Van de Heyning P, Adunka O, Arauz SL, Atlas M, Baumgartner WD, Brill S, Bruce I, Buchman C, Caversaccio M, Dillon M, Eikelboom R, Eskilsson G, Gavilan J, Godey B, Green K, Gstoettner W, Hagen R, Han D, Iwasaki S, Kameswaran M, Karltorp E, Kleine Punte A, Kompis M, Kuthubutheen J, Kuzovkov V, Lassaletta L, Li Y, Lorens A, Manikoth M, Martin J, Mlynski R, Mueller J, O'Driscoll M, Parnes L, Pillsbury H, Prentiss S, Pulibalathingal S, Raine CH, Rajan G, Rajeswaran R, Riechelmann H, Rivas A, Rivas JA, Senn P, Skarzynski PH, Sprinzl G, Staecker H, Stephan K, Sugarova S, Usami SI, Wolf-Magele A, Yanov Y, Zernotti ME, Zimmerman K, Zorowka P, Skarzynski H. Standards of practice in the field of hearing implants. Cochlear Implants Int 2013; 14 Suppl 2:S1-5. [DOI: 10.1179/1467010013z.00000000093] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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44
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Iwasaki S, Nakahara T. Cell number and incidence of chromosomal anomalies in bovine blastocysts fertilized in vitro followed by culture in vitro or in vivo in rabbit oviducts. Theriogenology 2012; 33:669-75. [PMID: 16726763 DOI: 10.1016/0093-691x(90)90544-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/1989] [Accepted: 01/05/1990] [Indexed: 10/26/2022]
Abstract
The total number of cells and the incidence of chromosomal anomalies in bovine blastocysts cultured in vitro or in vivo in rabbit oviducts were investigated from the four-cell stage after in-vitro fertilization of in-vitro matured follicular oocytes. The total number of cells (80 vs 179) in the oviduct-cultured blastocysts was nearly double that (43 vs 80) of blastocysts cultured in vitro at early and expanded blastocyst stages. In both culture systems, the total number of cells increased with the stage of development. Mitotic index (number of metaphase plates/total number of cells) of blastocysts decreased with development from early (11.5 vs 13.8%) to hatched blastocyst stages (4.8 vs 2.8%) in in-vitro and in-vivo culture systems, respectively. Overall, chromosomal anomalies were observed in 37.5% (27 27 ) of embryos cultured in vitro and in 28.0% (7 24 ) cultured in vivo, respectively. Incidence of chromosomal anomalies did not depend on such factors as culture system or stage of development. Most chromosomal anomalies were polyploid and mixoploid cells.
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Affiliation(s)
- S Iwasaki
- NODAI Research Institute, Tokyo University of Agriculture Setagaya-ku, Tokyo 156, Japan
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45
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Sato M, Miyazawa S, Suzuki D, Iwasaki S, Sora I. Involvement of the frontal lobe and executive function in deception: A NIRS study. Int J Psychophysiol 2012. [DOI: 10.1016/j.ijpsycho.2012.07.136] [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: 11/30/2022]
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46
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Shibata T, Hayashi M, Naganuma A, Hara N, Hara K, Hasebe F, Shimizu K, Komala N, Inai Y, Vömel H, Hamdi S, Iwasaki S, Fujiwara M, Shiotani M, Ogino SY, Nishi N. Cirrus cloud appearance in a volcanic aerosol layer around the tropical cold point tropopause over Biak, Indonesia, in January 2011. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/2011jd017029] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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47
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Takayama K, Taoka T, Nakagawa H, Myouchin K, Wada T, Sakamoto M, Furuichi K, Iwasaki S, Kurokawa S, Kichikawa K. Effect of cilostazol in preventing restenosis after carotid artery stenting using the carotid wallstent: a multicenter retrospective study. AJNR Am J Neuroradiol 2012; 33:2167-70. [PMID: 22595898 DOI: 10.3174/ajnr.a3127] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND PURPOSE Restenosis after CAS is a postoperative problem, with a reported frequency of approximately 2%-8%. However differences in stent design, procedure, and the antiplatelet agent appear to affect the incidence of restenosis. We assessed the frequency of restenosis and the effect of the antiplatelet agent CLZ in preventing restenosis after CAS by the standard procedure using the CWS. MATERIALS AND METHODS Between May 2010 and October 2011, 62 lesions in 60 consecutive patients underwent CAS using the CWS at 4 medical institutions, and all patients were followed clinically and assessed by sonography, 3D-CTA, or angiography at 3 and 6 months postoperatively. Restenosis was defined as ≥50% stenosis. The incidence of restenosis and the variation in the incidence of restenosis by the difference in type of antiplatelet agent between the CLZ group (n = 30; aspirin, 100 mg, and CLZ, 200 mg) and the non-CLZ group (n = 32; aspirin, 100 mg, and clopidogrel, 75 mg [n = 29]; or ticlopidine, 100 mg [n = 2] or 200 mg [n = 1]) were retrospectively investigated. Two antiplatelet agents were given starting 1 week preoperatively until at least 3 months postoperatively. RESULTS Restenosis occurred in 5 patients (8.3%), but all were cases of asymptomatic lesions in the follow-up period. All 5 patients with restenosis were in the non-CLZ group, with no cases of restenosis in the CLZ group; the difference was significant (P = .0239). CONCLUSIONS The restenosis rate after CAS by using the CWS was 8.3%. CLZ was associated with significant inhibition of restenosis.
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Affiliation(s)
- K Takayama
- Departments of Radiology and Interventional Neuroradiology, Ishinkai Yao General Hospital, Yao, Japan.
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48
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Matsuyama S, Tokai Y, Ishii K, Yamazaki H, Gotoh K, Satoh T, Sugimoto A, Yamamoto K, Oikawa M, Iwasaki S, Orihara H, Jon GC, Nakamura E, Futatsugawa S, Sera K. AN ATTEMPT TO DETERMINE POSITIONS OF AEROSOL SOURCE BY THE PIXE ANALYSIS. ACTA ACUST UNITED AC 2011. [DOI: 10.1142/s0129083599000097] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Aerosols were continuously collected for 2 or 3 hours during the periods of 4-27 August 1997 and of 23 March-2 April 1998 at a suburb of Sendai City (east 10 km from Sendai), and meteorological data such as wind directions, wind velocities, etc were measured at the same time. The collected aerosol samples were analyzed by the particle-induced X-ray emission (PIXE) method. Fourteen elements (S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Hg and Pb) were contained in these samples. The elemental concentrations increased in the daytime and decreased at night. It coincided with the time variation of people movement. The concentrations of Mn, Fe, Zn and Pb elements depended strongly on the direction of wind and their distributions for wind directions reflected to the position of aerosol sources. This result suggests that the position of aerosol source can be determined by measuring aerosols and wind directions at the many positions.
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Affiliation(s)
- S. Matsuyama
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - Y. Tokai
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - K. Ishii
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - H. Yamazaki
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - K. Gotoh
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - T. Satoh
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - A. Sugimoto
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - K. Yamamoto
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - M. Oikawa
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - S. Iwasaki
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-8579, Japan
| | - H. Orihara
- Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
| | - G. C. Jon
- Institute of Physics, Academia Sinica, Taipei 11529, Taiwan, ROC
| | - E. Nakamura
- Miyagi Prefectural Institute of Public Health and Environment, Sendai 983-0836, Japan
| | - S. Futatsugawa
- Nishina Memorial Cyclotron Center, Japan Radioisotope Association, Takizawa, Iwate 020-0173, Japan
| | - K. Sera
- Department of Cyclotron Research Center, Iwate Medical University, Takizawa, Iwate 020-0173, Japan
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49
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Yamazaki H, Tsutsumi K, Ishii K, Matsuyama S, Murozono K, Inoue J, Iwasaki S, Orihara H. Preparation of Thin Polycarbonate Film and Its Application to PIXE Analysis of Anionic Elements in Water Samples. ACTA ACUST UNITED AC 2011. [DOI: 10.1142/s0129083597000126] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A polycarbonate film of thin and uniform thickness was prepared. A casting solution for film-formation was made up by diluting a solution of poly (bisphenol A carbonate) in chloroform by a factor of two to three with benzene. A uniform film was created by dropping 0.2-0.3 cm3 of the casting solution slowly on a water surface within an aperture (20 mm diameter) of Mylar target frame floating on 50 wt% sucrose aqueous solution. Films of 0.14-0.27 mg/cm2 thickness thus prepared offer a good combination of mechanical strength and low continuum backgrounds. To test PIXE analysis of anionic species in water, targets containing SO 42-, Cr 2 O 72-, AsO 43-, and Ga 3+-internal standard were prepared by depositing 100 μl of the test solutions onto the polycarbonate film, and irradiated in vacuum by 3 MeV proton beams. The difference between the nominal and the analyzed concentrations seldom exceeded ± 15 % in the range from 10 to 2000 ppb.
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Affiliation(s)
- H. Yamazaki
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-77, Japan
| | - K. Tsutsumi
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-77, Japan
| | - K. Ishii
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-77, Japan
| | - S. Matsuyama
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-77, Japan
| | - K. Murozono
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-77, Japan
| | - J. Inoue
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-77, Japan
| | - S. Iwasaki
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai 980-77, Japan
| | - H. Orihara
- Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-77, Japan
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50
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Okada H, Hontsu S, Asakawa I, Miura S, Tamamoto T, Katayama E, Inoue K, Iwasaki S, Kichikawa K, Hasegawa M. Changes Of Tumor Size And Tumor Contrast Enhancement During Radiotherapy For Non-small Cell Lung Cancer: Are These Changes Correlated With The Treatment Outcome? Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1148] [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: 11/17/2022]
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