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Article: Failure Factors to Reach the Blind End Using a Short-Type Single-Balloon Enteroscope for ERCP with Roux-en-Y Reconstruction: A Multicenter Retrospective Study.

Kawaguchi, Yusuke / Yamauchi, Hiroshi / Kida, Mitsuhiro / Okuwaki, Kosuke / Iwai, Tomohisa / Uehara, Kazuho / Hasegawa, Rikiya / Imaizumi, Hiroshi / Kobayashi, Kiyonori / Koizumi, Wasaburo

Gastroenterology research and practice

2019 Volume 2019, Page(s) 3536487

Abstract: ... sSBE-assisted ERCP) in patients with Roux-en-Y (R-Y) reconstruction remain to be evaluated.: Aims ... factors and complications associated with scope insertion in patients with R-Y reconstruction.: Results ... R-Y reconstruction was performed in 157 patients (with gastrectomy: 122 patients ...

Abstract	Background: Failure factors in reaching the blind end (papillae of Vater, bilioenteric anastomosis) during short-type single-balloon enteroscope-assisted endoscopic retrograde cholangiopancreatography (sSBE-assisted ERCP) in patients with Roux-en-Y (R-Y) reconstruction remain to be evaluated. Aims: We investigated the failure factors in such patients. Methods: We retrospectively studied 253 initial sessions of sSBE-assisted ERCP at three endoscopy centers from April 2008 through September 2017, examining failure factors and complications associated with scope insertion in patients with R-Y reconstruction. Results: R-Y reconstruction was performed in 157 patients (with gastrectomy: 122 patients; without gastrectomy plus bilioenteric anastomosis: 35 patients). R-Y without gastrectomy ( Conclusions: Failure factors during sSBE-assisted ERCP were R-Y without gastrectomy and the presence of peritoneal dissemination.
Language	English
Publishing date	2019-05-05
Publishing country	Egypt
Document type	Journal Article
ZDB-ID	2435460-0
ISSN	1687-630X ; 1687-6121
ISSN (online)	1687-630X
ISSN	1687-6121
DOI	10.1155/2019/3536487
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Article ; Online: Therapeutic peroral direct cholangioscopy using a single balloon enteroscope in patients with Roux-en-Y anastomosis (with videos).

Yamauchi, Hiroshi / Kida, Mitsuhiro / Okuwaki, Kosuke / Miyazawa, Shiro / Matsumoto, Takaaki / Uehara, Kazuho / Miyata, Eiji / Hasegawa, Rikiya / Kaneko, Toru / Laopeamthong, Issaree / Lei, Yang / Iwai, Tomohisa / Imaizumi, Hiroshi / Koizumi, Wasaburo

Surgical endoscopy

2017 Volume 32, Issue 1, Page(s) 498–506

Abstract: ... undergone Roux-en-Y reconstruction.: Methods: Among 118 patients (169 sessions) who underwent SBE ... assisted endoscopic retrograde cholangiopancreatography to treat biliary stones after Roux-en-Y ... Conclusions: PDCS using SBE is a useful procedure in patients with Roux-en-Y reconstruction. The LBAD ...

Abstract	Background: Peroral cholangioscopic lithotripsy is a useful procedure in patients with a normal gastrointestinal anatomy who have difficult-to-treat stones. We evaluated the usefulness of peroral direct cholangioscopy (PDCS) using single-balloon enteroscope (SBE) in patients with difficult-to-treat stones who had undergone Roux-en-Y reconstruction. Methods: Among 118 patients (169 sessions) who underwent SBE-assisted endoscopic retrograde cholangiopancreatography to treat biliary stones after Roux-en-Y reconstruction, patients in whom it was difficult to remove biliary stones via a transpapillary or transanastomotic approach and difficult to switch to ultra-slim endoscope, were retrospectively enrolled. The biliary insertion success rate, procedure success rate, procedure time, and procedural complications were assessed. The SBE was inserted into the bile-duct, first using a free-hand technique, second using a guide wire, and third using the large balloon anchoring and deflation (LBAD) technique. Results: A total of 11 patients (14 sessions) were enrolled in this study. The biliary insertion success rate was 100%. Bile-duct insertion was performed using a free-hand technique in 4 sessions, a guide wire in 3 sessions (rendezvous technique, 2 sessions), and the LBAD technique in 7 sessions. The procedure success rate was 86% in first session, and 100% in second session. The median procedure time was 81 min (range 49-137). The median procedure time in the bile-duct was 21.5 min (range 6-60). Mild pancreatitis occurred as a complication in one patient. The median follow-up was 528 days (range 282-764). No patient had stone recurrence. Conclusions: PDCS using SBE is a useful procedure in patients with Roux-en-Y reconstruction. The LBAD technique is an useful technique of inserting SBE into the bile-duct.
MeSH term(s)	Aged ; Aged, 80 and over ; Anastomosis, Roux-en-Y ; Cholangiopancreatography, Endoscopic Retrograde/instrumentation ; Cholelithiasis/surgery ; Endoscopes, Gastrointestinal ; Female ; Humans ; Male ; Middle Aged ; Operative Time ; Retrospective Studies
Language	English
Publishing date	2017-07-21
Publishing country	Germany
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Video-Audio Media
ZDB-ID	639039-0
ISSN	1432-2218 ; 0930-2794
ISSN (online)	1432-2218
ISSN	0930-2794
DOI	10.1007/s00464-017-5742-3
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Article ; Online: The complete mitochondrial genome of Sarcoptes scabiei var. nyctereutis from the Japanese raccoon dog: Prediction and detection of two transfer RNAs (tRNA-A and tRNA-Y).

Ueda, Takafumi / Tarui, Hiroshi / Kido, Nobuhide / Imaizumi, Keitaro / Hikosaka, Kenji / Abe, Takashi / Minegishi, Daisuke / Tada, Yoshifumi / Nakagawa, Masataka / Tanaka, Sohei / Omiya, Tomoko / Morikaku, Kouki / Kawahara, Minori / Kikuchi-Ueda, Takane / Akuta, Teruo / Ono, Yasuo

Genomics

2018 Volume 111, Issue 6, Page(s) 1183–1191

Abstract: Sarcoptes scabiei (Acari: Sarcoptidae) causes a common contagious skin disease that affects many mammals. Here, the complete mitochondrial genome of a mite, S. scabiei var. nyctereutis, from Japanese wild raccoon dogs was analyzed. The 13,837bp circular ... ...

Abstract	Sarcoptes scabiei (Acari: Sarcoptidae) causes a common contagious skin disease that affects many mammals. Here, the complete mitochondrial genome of a mite, S. scabiei var. nyctereutis, from Japanese wild raccoon dogs was analyzed. The 13,837bp circular genome contained 13 protein-coding genes, two rRNA genes, and 22 tRNA genes. For the first time, two tRNAs (alanine and tyrosine), that were thought to be absent in scabies mites from other animals, were predicted to have short, non-cloverleaf structures by in silico annotation and detected by RT-PCR, sequencing, and northern analysis. The mitochondrial genome structure of S. scabiei is similar to that of Psoroptes cuniculi and Dermatophagoides farinae. While small and unusual tRNA genes seem to be common among acariform mites, further experimental evidence for their presence is needed. Furthermore, through an analysis of the cox1 gene, we have provided new evidence to confirm the transmission of this mite between different animal hosts.
MeSH term(s)	Animals ; Genome, Mitochondrial ; Phylogeny ; RNA, Transfer, Ala/chemistry ; RNA, Transfer, Ala/genetics ; RNA, Transfer, Tyr/chemistry ; RNA, Transfer, Tyr/genetics ; Raccoon Dogs/parasitology ; Sarcoptes scabiei/classification ; Sarcoptes scabiei/genetics
Chemical Substances	RNA, Transfer, Ala ; RNA, Transfer, Tyr
Language	English
Publishing date	2018-09-15
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	356334-0
ISSN	1089-8646 ; 0888-7543
ISSN (online)	1089-8646
ISSN	0888-7543
DOI	10.1016/j.ygeno.2018.09.002
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Zs.A 2367: Show issues

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Article ; Online: Passive-bending, short-type single-balloon enteroscope for endoscopic retrograde cholangiopancreatography in Roux-en-Y anastomosis patients.

Yamauchi, Hiroshi / Kida, Mitsuhiro / Okuwaki, Kosuke / Miyazawa, Shiro / Iwai, Tomohisa / Tokunaga, Shuko / Takezawa, Miyoko / Imaizumi, Hiroshi / Koizumi, Wasaburo

World journal of gastroenterology

2015 Volume 21, Issue 5, Page(s) 1546–1553

Abstract: ... transmission functions for endoscopic retrograde cholangiopancreatography (ERCP) in patients with Roux-en-Y ... diameter, 3.2 mm) was used to perform 50 ERCP procedures in 37 patients with Roux-en-Y anastomosis ... Conclusion: SIF-Y0004-V01 is useful for ERCP in patients with Roux-en-Y anastomosis and may reduce the time ...

Abstract	Aim: To evaluate short-type-single-balloon enteroscope (SBE) with passive-bending, high-force transmission functions for endoscopic retrograde cholangiopancreatography (ERCP) in patients with Roux-en-Y anastomosis. Methods: Short-type SBE with this technology (SIF-Y0004-V01; working length, 1520 mm; channel diameter, 3.2 mm) was used to perform 50 ERCP procedures in 37 patients with Roux-en-Y anastomosis. The rate of reaching the blind end, time required to reach the blind end, diagnostic and therapeutic success rates, and procedure time and complications were studied retrospectively and compared with the results of 34 sessions of ERCP performed using a short-type SBE without this technology (SIF-Y0004; working length, 1520 mm; channel diameter, 3.2 mm) in 25 patients. Results: The rate of reaching the blind end was 90% with SIF-Y0004-V01 and 91% with SIF-Y0004 (P = 0.59). The median time required to reach the papilla was significantly shorter with SIF-Y0004-V01 than with SIF-Y0004 (16 min vs 24 min, P = 0.04). The diagnostic success rate was 93% with SIF-Y0004-V01 and 84% with SIF-Y0004 (P = 0.17). The therapeutic success rate was 95% with SIF-Y0004-V01 and 96% with SIF-Y0004 (P = 0.68). The median procedure time was 40 min with SIF-Y0004-V01 and 36 min with SIF-Y0004 (P = 0.50). The incidence of hyperamylasemia was 6.0% in the SIF-Y0004-V01 group and 14.7% in the SIF-Y0004 group (P = 0.723). The incidence of pancreatitis was 0% in the SIF-Y0004-V01 group and 5.9% in the SIF-Y0004 group (P > 0.999). The incidence of gastrointestinal perforation was 2.0% (1/50) in the SIF-Y0004-V01 group and 2.9% (1/34) in the SIF-Y0004 group (P > 0.999). Conclusion: SIF-Y0004-V01 is useful for ERCP in patients with Roux-en-Y anastomosis and may reduce the time required to reach the blind end.
MeSH term(s)	Aged ; Aged, 80 and over ; Anastomosis, Roux-en-Y/adverse effects ; Cholangiopancreatography, Endoscopic Retrograde/adverse effects ; Cholangiopancreatography, Endoscopic Retrograde/instrumentation ; Digestive System Diseases/diagnosis ; Digestive System Diseases/surgery ; Endoscopes, Gastrointestinal ; Equipment Design ; Female ; Humans ; Hyperamylasemia/etiology ; Intestinal Perforation/etiology ; Intestine, Small/surgery ; Male ; Middle Aged ; Operative Time ; Pancreatitis/etiology ; Predictive Value of Tests ; Retrospective Studies ; Risk Factors ; Time Factors ; Treatment Outcome
Language	English
Publishing date	2015-02-07
Publishing country	United States
Document type	Comparative Study ; Evaluation Studies ; Journal Article
ZDB-ID	2185929-2
ISSN	2219-2840 ; 1007-9327
ISSN (online)	2219-2840
ISSN	1007-9327
DOI	10.3748/wjg.v21.i5.1546
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Article: The complete mitochondrial genome of Sarcoptes scabiei var. nyctereutis from the Japanese raccoon dog: Prediction and detection of two transfer RNAs (tRNA-A and tRNA-Y)

Ueda, Takafumi / Abe, Takashi / Akuta, Teruo / Hikosaka, Kenji / Imaizumi, Keitaro / Kawahara, Minori / Kido, Nobuhide / Kikuchi-Ueda, Takane / Minegishi, Daisuke / Morikaku, Kouki / Nakagawa, Masataka / Omiya, Tomoko / Ono, Yasuo / Tada, Yoshifumi / Tanaka, Sohei / Tarui, Hiroshi

Genomics. 2019 Dec., v. 111, no. 6

2019

Abstract	Sarcoptes scabiei (Acari: Sarcoptidae) causes a common contagious skin disease that affects many mammals. Here, the complete mitochondrial genome of a mite, S. scabiei var. nyctereutis, from Japanese wild raccoon dogs was analyzed. The 13,837bp circular genome contained 13 protein-coding genes, two rRNA genes, and 22 tRNA genes. For the first time, two tRNAs (alanine and tyrosine), that were thought to be absent in scabies mites from other animals, were predicted to have short, non-cloverleaf structures by in silico annotation and detected by RT-PCR, sequencing, and northern analysis. The mitochondrial genome structure of S. scabiei is similar to that of Psoroptes cuniculi and Dermatophagoides farinae. While small and unusual tRNA genes seem to be common among acariform mites, further experimental evidence for their presence is needed. Furthermore, through an analysis of the cox1 gene, we have provided new evidence to confirm the transmission of this mite between different animal hosts.
Keywords	alanine ; Dermatophagoides farinae ; genes ; hosts ; mammals ; mites ; mitochondrial genome ; Nyctereutes procyonoides ; prediction ; Psoroptes cuniculi ; reverse transcriptase polymerase chain reaction ; ribosomal RNA ; Sarcoptes scabiei ; scabies ; transfer RNA ; tyrosine
Language	English
Dates of publication	2019-12
Size	p. 1183-1191.
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	356334-0
ISSN	1089-8646 ; 0888-7543
ISSN (online)	1089-8646
ISSN	0888-7543
DOI	10.1016/j.ygeno.2018.09.002
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Autistic traits and speech perception in social and non-social noises.

Tsuji, Yurika / Imaizumi, Shu

Scientific reports

2024 Volume 14, Issue 1, Page(s) 1414

Abstract: Individuals with the autism spectrum disorder (ASD) experience difficulties in perceiving speech in background noises with temporal dips; they also lack social orienting. We tested two hypotheses: (1) the higher the autistic traits, the lower the ... ...

Abstract	Individuals with the autism spectrum disorder (ASD) experience difficulties in perceiving speech in background noises with temporal dips; they also lack social orienting. We tested two hypotheses: (1) the higher the autistic traits, the lower the performance in the speech-in-noise test, and (2) individuals with high autistic traits experience greater difficulty in perceiving speech, especially in the non-vocal noise, because of their attentional bias toward non-vocal sounds. Thirty-eight female Japanese university students participated in an experiment measuring their ability to perceive speech in the presence of noise. Participants were asked to detect Japanese words embedded in vocal and non-vocal background noises with temporal dips. We found a marginally significant effect of autistic traits on speech perception performance, suggesting a trend that favors the first hypothesis. However, caution is needed in this interpretation because the null hypothesis is not rejected. No significant interaction was found between the types of background noise and autistic traits, indicating that the second hypothesis was not supported. This might be because individuals with high autistic traits in the general population have a weaker attentional bias toward non-vocal sounds than those with ASD or to the explicit instruction given to attend to the target speech.
MeSH term(s)	Humans ; Female ; Speech Perception ; Autism Spectrum Disorder ; Autistic Disorder/diagnosis ; Noise ; Salicylates
Chemical Substances	3,5-diisopropylsalicylic acid (2215-21-6) ; Salicylates
Language	English
Publishing date	2024-01-16
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-024-52050-2
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Article: [The results of a nationwide survey on patients with adult T-cell leukemia-lymphoma].

Imaizumi, Yoshitaka

Rinsho ketsueki] The Japanese journal of clinical hematology

2021 Volume 62, Issue 7, Page(s) 760–765

Abstract: Adult T-cell leukemia-lymphoma (ATL) is a rare disease, and the nationwide surveys conducted in Japan have played an important role in improving our understanding of the clinical features and prognosis of this disease. The diagnostic criteria of clinical ...

Abstract	Adult T-cell leukemia-lymphoma (ATL) is a rare disease, and the nationwide surveys conducted in Japan have played an important role in improving our understanding of the clinical features and prognosis of this disease. The diagnostic criteria of clinical subtypes have been proposed based on the surveys conducted on patients with ATL who were diagnosed in the 1980s; the current treatment guideline in Japan is based on this classification of ATL subtypes. In the survey for patients diagnosed between 2000 and 2009, the usefulness of the clinical subtypes was confirmed, and soluble interleukin-2 receptor was identified as a new prognostic factor for chronic- and smoldering-type ATL. We conducted another survey for patients who were diagnosed in 2010 and 2011. The age at diagnosis was higher than that reported in previous trials, and the median patient age at diagnosis was 68 years in the study. The 4-year survival rate was better than that in previous studies on acute- and lymphoma-type disease; however, the prognosis has not improved in chronic- and smoldering-type disease. Further nationwide surveys are expected to improve the treatment strategies for ATL.
MeSH term(s)	Adult ; Humans ; Japan/epidemiology ; Leukemia-Lymphoma, Adult T-Cell/diagnosis ; Leukemia-Lymphoma, Adult T-Cell/epidemiology ; Leukemia-Lymphoma, Adult T-Cell/therapy ; Prognosis ; Receptors, Interleukin-2 ; Survival Rate
Chemical Substances	Receptors, Interleukin-2
Language	Japanese
Publishing date	2021-08-04
Publishing country	Japan
Document type	Journal Article
ZDB-ID	390900-1
ISSN	0485-1439
ISSN	0485-1439
DOI	10.11406/rinketsu.62.760
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Zs.MO 535: Show issues

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Article ; Online: Reciprocal Relationship between Ca

Imaizumi, Yuji

Biological & pharmaceutical bulletin

2021 Volume 45, Issue 1, Page(s) 1–18

Abstract: ... Cellular ... ...

Abstract	Cellular Ca
MeSH term(s)	Calcium/metabolism ; Cell Membrane/metabolism ; Drug Discovery ; Ion Channels/physiology ; Signal Transduction/physiology
Chemical Substances	Ion Channels ; Calcium (SY7Q814VUP)
Language	English
Publishing date	2021-12-01
Publishing country	Japan
Document type	Journal Article ; Review
ZDB-ID	1150271-x
ISSN	1347-5215 ; 0918-6158
ISSN (online)	1347-5215
ISSN	0918-6158
DOI	10.1248/bpb.b21-00896
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Article ; Online: Electrohydraulic lithotripsy under peroral direct cholangioscopy using short-type single-balloon enteroscope for large common bile duct stone in patients with Roux-en-Y gastrectomy.

Yamauchi, Hiroshi / Kida, Mitsuhiro / Miyazawa, Shiro / Okuwaki, Kosuke / Imaizumi, Hiroshi / Koizumi, Wasaburo

Endoscopy

2015 Volume 47 Suppl 1 UCTN, Page(s) E240–1

MeSH term(s)	Aged ; Anastomosis, Roux-en-Y ; Common Bile Duct ; Double-Balloon Enteroscopy/instrumentation ; Equipment Design ; Gallstones/diagnosis ; Gallstones/therapy ; Humans ; Lithotripsy/instrumentation ; Male ; Mouth ; Natural Orifice Endoscopic Surgery/instrumentation ; Stomach Neoplasms/complications ; Stomach Neoplasms/surgery
Language	English
Publishing date	2015
Publishing country	Germany
Document type	Case Reports ; Journal Article ; Video-Audio Media
ZDB-ID	80120-3
ISSN	1438-8812 ; 0013-726X
ISSN (online)	1438-8812
ISSN	0013-726X
DOI	10.1055/s-0034-1391857
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Article: The Relationship between Birth Weight Discordance and Adverse Infant Mortality among Monozygotic and Dizygotic Twins in Japan, 1995-2008.

Imaizumi, Yoko

Twin research and human genetics : the official journal of the International Society for Twin Studies

2020 Volume 23, Issue 1, Page(s) 55–60

Abstract: Using vital statistics in Japan (1995-2008), 154,578 live-born twin pairs (128,236 monozygotic [MZ] and 180,920 dizygotic [DZ]) were identified. The proportion of severe discordance among live-born twin births was twice as high in Japanese than Caucasian ...

Abstract	Using vital statistics in Japan (1995-2008), 154,578 live-born twin pairs (128,236 monozygotic [MZ] and 180,920 dizygotic [DZ]) were identified. The proportion of severe discordance among live-born twin births was twice as high in Japanese than Caucasian infants. There were 1858 MZ and 1620 DZ infant deaths. Computation of the relationship between infant mortality rate and birth weight discordance among the twins was performed. Discordance levels were classified into seven groups: <5%, five groups from 5-9% to 25-29%, and ≥30%.The mortality rate was significantly higher in MZ than DZ twins for discordances except at 5-9% and 10-14%. The lowest rate for MZ twins was at 5-9% (7.5 per 1000 live twins) and significantly increased from 10-14% (9.4) to ≥30% (83.4), while the lowest rate for DZ twins was at <5% (6.7), which significantly increased at 10-14% (8.0) and from 25-29% (12.1) to ≥30% (35.5). The relationship was also computed in two gestational age groups (<28 and ≥28 weeks). For births at <28 weeks, three discordances (after 20-24%) in MZ twins were associated with adverse mortality rate. For births at ≥28 weeks, the same relationship was obtained after 10-14% in MZ and after 20-24% in DZ twins. The relationship from 2002 to 2008 showed that the mortality rates significantly increased after 10-14% for both types of twins. In conclusion, five discordance levels in MZ and three levels in DZ twins were associated with adverse mortality rates.
MeSH term(s)	Birth Weight ; Gestational Age ; History, 20th Century ; History, 21st Century ; Humans ; Infant ; Infant Mortality/ethnology ; Infant Mortality/history ; Japan ; Twins, Dizygotic/statistics & numerical data ; Twins, Monozygotic/statistics & numerical data
Language	English
Publishing date	2020-04-06
Publishing country	England
Document type	Historical Article ; Journal Article
ZDB-ID	2182682-1
ISSN	1839-2628 ; 1832-4274
ISSN (online)	1839-2628
ISSN	1832-4274
DOI	10.1017/thg.2020.8
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