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  1. Article ; Online: In Situ TEM/STEM Investigation of Crystallization in Y

    Liu, Zheng / Nakamura, Hitomi / Akai, Tomoko

    Small (Weinheim an der Bergstrasse, Germany)

    2023  , Page(s) e2308001

    Abstract: Y ...

    Abstract Y
    Language English
    Publishing date 2023-12-15
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2168935-0
    ISSN 1613-6829 ; 1613-6810
    ISSN (online) 1613-6829
    ISSN 1613-6810
    DOI 10.1002/smll.202308001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Higher incidence of cholelithiasis with Roux-en-Y reconstruction compared with Billroth-I after laparoscopic distal gastrectomy for gastric cancer: a retrospective cohort study.

    Moriyama, Taiki / Ohuchida, Kenoki / Ohtsuka, Takao / Shindo, Koji / Ikenaga, Naoki / Nakata, Kohei / Nakamura, Masafumi

    Langenbeck's archives of surgery

    2024  Volume 409, Issue 1, Page(s) 75

    Abstract: ... namely Billroth-I (B-I) and Roux-en-Y (R-Y) following laparoscopic distal gastrectomy (LDG ... 2017, after applying the exclusion criteria, 284 patients who underwent B-I and 310 who underwent R-Y ... developed cholelithiasis postgastrectomy; 12 patients (4.2%) after B-I and 40 (12.9%) after R-Y (p = 0.0002 ...

    Abstract Purpose: Cholelithiasis occurs often after gastrectomy. However, no consensus has been established regarding the difference in the incidence of postgastrectomy cholelithiasis with different reconstruction methods. In this study, we examined the frequency of cholelithiasis after two major reconstruction methods, namely Billroth-I (B-I) and Roux-en-Y (R-Y) following laparoscopic distal gastrectomy (LDG) for gastric cancer.
    Methods: Among 696 gastric cancer patients who underwent LDG between April 2000 and March 2017, after applying the exclusion criteria, 284 patients who underwent B-I and 310 who underwent R-Y were examined retrospectively. The estimated incidence of cholelithiasis was compared between the methods, and factors associated with the development of cholelithiasis in the gallbladder and/or common bile duct were investigated.
    Results: During the median follow-up of 61.2 months, 52 patients (8.8%) developed cholelithiasis postgastrectomy; 12 patients (4.2%) after B-I and 40 (12.9%) after R-Y (p = 0.0002). Among them, choledocholithiasis was more frequent in patients who underwent R-Y (n = 11, 27.5%) vs. B-I (n = 1, 8.3%) (p = 0.0056). Univariate and multivariate analyses revealed that male sex, body mass index > 22.5 kg/m
    Conclusion: Regarding cholelithiasis development, B-I reconstruction should be preferred whenever possible during distal gastrectomy.
    MeSH term(s) Humans ; Male ; Stomach Neoplasms/epidemiology ; Stomach Neoplasms/surgery ; Stomach Neoplasms/complications ; Retrospective Studies ; Incidence ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Postoperative Complications/surgery ; Anastomosis, Roux-en-Y/adverse effects ; Anastomosis, Roux-en-Y/methods ; Gastrectomy/adverse effects ; Gastrectomy/methods ; Laparoscopy/adverse effects ; Laparoscopy/methods ; Choledocholithiasis/surgery ; Treatment Outcome
    Language English
    Publishing date 2024-02-27
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1423681-3
    ISSN 1435-2451 ; 1435-2443
    ISSN (online) 1435-2451
    ISSN 1435-2443
    DOI 10.1007/s00423-024-03267-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Marked improvement of severe reflux esophagitis following proximal gastrectomy with esophagogastrostomy by the right gastroepiploic vessels-preserving antrectomy and Roux-en-Y biliary diversion.

    Hojo, Yudai / Nakamura, Tatsuro / Kumamoto, Tsutomu / Kurahashi, Yasunori / Ishida, Yoshinori / Kitayama, Yoshitaka / Tomita, Toshihiko / Shinohara, Hisashi

    Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association

    2022  Volume 25, Issue 6, Page(s) 1117–1122

    Abstract: ... the right gastroepiploic vessels-preserving antrectomy and Roux-en-Y biliary diversion in a 70-year-old man ... symptomatic relief. The right gastroepiploic vessels-preserving antrectomy and Roux-en-Y biliary diversion ...

    Abstract Duodenogastroesophageal reflux (DGER) following esophagectomy or gastrectomy can cause severe esophagitis, which impairs patients' quality of life and increases the risk of esophageal carcinogenesis. It is sometimes resistant to medical treatment, and surgical treatment is considered effective in such cases. However, an optimal operative procedure for medical treatment-resistant reflux esophagitis (RE) after proximal gastrectomy (PG) with esophagogastrostomy (EG) has not yet been established. We performed the right gastroepiploic vessels-preserving antrectomy and Roux-en-Y biliary diversion in a 70-year-old man with medical treatment-resistant severe esophagitis caused by DGER following PG with EG for esophagogastric junction cancer. The postoperative course was uneventful, and esophagogastroduodenoscopy performed on the 19th postoperative day showed marked improvement in the esophageal erosions. The patient reported symptomatic relief. The right gastroepiploic vessels-preserving antrectomy and Roux-en-Y biliary diversion were considered safe and feasible for medical treatment-resistant RE following PG with EG.
    MeSH term(s) Male ; Humans ; Aged ; Esophagitis, Peptic/etiology ; Esophagitis, Peptic/surgery ; Quality of Life ; Stomach Neoplasms/surgery ; Gastrectomy/adverse effects ; Gastrectomy/methods ; Anastomosis, Roux-en-Y/adverse effects
    Language English
    Publishing date 2022-07-07
    Publishing country Japan
    Document type Case Reports ; Journal Article
    ZDB-ID 1463526-4
    ISSN 1436-3305 ; 1436-3291
    ISSN (online) 1436-3305
    ISSN 1436-3291
    DOI 10.1007/s10120-022-01316-7
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    Zs.A 5290: Show issues Location:
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  4. Article ; Online: Electrohydraulic lithotripsy for hepatolithiasis in a stenotic intrahepatic bile duct after Roux-en-Y hepaticojejunostomy.

    Nakamura, Kenji / Okamoto, Takeshi / Katayama, Tadashi / Takigawa, Yutaka / Fukuda, Katsuyuki / Kishikawa, Hiroshi / Nishida, Jiro

    Endoscopy

    2021  Volume 54, Issue 2, Page(s) E61–E62

    MeSH term(s) Anastomosis, Roux-en-Y ; Bile Ducts, Intrahepatic/diagnostic imaging ; Bile Ducts, Intrahepatic/surgery ; Biliary Tract Surgical Procedures ; Humans ; Lithiasis/surgery ; Lithotripsy ; Liver Diseases/etiology ; Liver Diseases/surgery
    Language English
    Publishing date 2021-03-05
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 80120-3
    ISSN 1438-8812 ; 0013-726X
    ISSN (online) 1438-8812
    ISSN 0013-726X
    DOI 10.1055/a-1381-6152
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    Zs.A 669: Show issues Location:
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  5. Article ; Online: Multiple lines of evidence of early goose domestication in a 7,000-y-old rice cultivation village in the lower Yangtze River, China.

    Eda, Masaki / Itahashi, Yu / Kikuchi, Hiroki / Sun, Guoping / Hsu, Kai-Hsuan / Gakuhari, Takashi / Yoneda, Minoru / Jiang, Leping / Yang, Guomei / Nakamura, Shinichi

    Proceedings of the National Academy of Sciences of the United States of America

    2022  Volume 119, Issue 12, Page(s) e2117064119

    Abstract: ... we studied goose bones from Tianluoshan—a 7,000-y-old rice cultivation village in the lower Yangtze River ... individuals were ∼7,000 y old. The histological, geochemical, biochemical, morphological, and contextual ... dates back 7,000 y, making geese the oldest domesticated poultry species in history. ...

    Abstract Poultry are farmed globally, with chicken (Gallus gallus domesticus) being the leading domesticated species. Although domestic chicken bones have been reported from some Early Holocene sites, their origin is controversial and there is no reliable domestic chicken bone older than the Middle Holocene. Here, we studied goose bones from Tianluoshan—a 7,000-y-old rice cultivation village in the lower Yangtze River valley, China—using histological, geochemical, biochemical, and morphological approaches. Histological analysis revealed that one of the bones was derived from a locally bred chick, although no wild goose species breed in southern China. The analysis of oxygen-stable isotope composition supported this observation and further revealed that some of the mature bones were also derived from locally bred individuals. The nitrogen-stable isotope composition showed that locally bred mature birds fed on foods different from those eaten by migrant individuals. Morphological analysis revealed that the locally bred mature birds were homogenous in size, whereas radiocarbon dating clearly demonstrated that the samples from locally bred individuals were ∼7,000 y old. The histological, geochemical, biochemical, morphological, and contextual evidence suggest that geese at Tianluoshan village were at an early stage of domestication. The goose population appears to have been maintained for several generations without the introduction of individuals from other populations and may have been fed cultivated paddy rice. These findings indicate that goose domestication dates back 7,000 y, making geese the oldest domesticated poultry species in history.
    MeSH term(s) Animals ; China ; Crops, Agricultural ; Domestication ; Geese ; Humans ; Oryza ; Rivers
    Language English
    Publishing date 2022-03-07
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2117064119
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    Zs.A 1148: Show issues Location:
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  6. Article ; Online: Successful biliary stent placement using balloon enteroscopy-assisted ERCP in a patient with rare surgically altered anatomy who underwent Roux-en-Y reconstruction twice.

    Nakadai, Yukie / Nakamura, Kenji / Ojiro, Keisuke / Masuda, Yuki / Ogura, Masaharu / Takigawa, Yutaka / Kishikawa, Hiroshi / Hasegawa, Hirotoshi / Matsui, Junichi / Nishida, Jiro

    Journal of hepato-biliary-pancreatic sciences

    2021  Volume 29, Issue 2, Page(s) e5–e7

    Abstract: ... in a patient with rare surgically altered anatomy after undergoing Roux-en-Y reconstruction twice. Balloon ...

    Abstract Highlight Nakadai and colleagues report a case of successful endoscopic biliary drainage in a patient with rare surgically altered anatomy after undergoing Roux-en-Y reconstruction twice. Balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography can be the first choice for patients with such complex surgically altered anatomy, especially in those without biliary dilation.
    MeSH term(s) Anastomosis, Roux-en-Y ; Balloon Enteroscopy ; Cholangiopancreatography, Endoscopic Retrograde ; Dilatation ; Humans ; Stents
    Language English
    Publishing date 2021-09-15
    Publishing country Japan
    Document type Case Reports ; Journal Article
    ZDB-ID 2536236-7
    ISSN 1868-6982 ; 1868-6974
    ISSN (online) 1868-6982
    ISSN 1868-6974
    DOI 10.1002/jhbp.1041
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  7. Article ; Online: Answer to the Letter to the Editor of Y. Yamada, et al. concerning "T1 pelvic angle is associated with rapid progression of hip arthrosis" by Nakamura K et al. (Eur Spine J [2023]: https://doi.org/10.1007/s00586-023-07580-0).

    Nakamura, Kaito / Okamoto, Yoshinori / Wakama, Hitoshi / Matsuyama, Junya / Ishitani, Takashi / Otsuki, Shuhei / Neo, Masashi

    European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society

    2023  Volume 32, Issue 7, Page(s) 2623–2624

    MeSH term(s) Humans ; Scoliosis ; Pelvis ; Osteoarthritis, Hip ; Spinal Fusion
    Language English
    Publishing date 2023-04-28
    Publishing country Germany
    Document type Letter ; Research Support, Non-U.S. Gov't ; Comment
    ZDB-ID 1115375-1
    ISSN 1432-0932 ; 0940-6719
    ISSN (online) 1432-0932
    ISSN 0940-6719
    DOI 10.1007/s00586-023-07723-3
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    Zs.A 3437: Show issues Location:
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  8. Article ; Online: Functional evaluations comparing Billroth I with a large remnant stomach and Roux en Y with a small remnant stomach following laparoscopic distal gastrectomy for gastric cancer: An investigation including laparoscopic total gastrectomy.

    Nomura, Eiji / Seki, Takatoshi / Ninomiya, Yamato / Izumi, Hideki / Yamamoto, Soichiro / Nabeshima, Kazuhito / Nakamura, Kenji / Mukai, Masaya / Makuuchi, Hiroyasu

    Surgery today

    2022  Volume 53, Issue 2, Page(s) 232–241

    Abstract: ... and Roux en Y following laparoscopic 4/5 DG (L-RY; n = 24), including laparoscopic total gastrectomy ...

    Abstract Purpose: This study compared the pros and cons of two post-distal gastrectomy (DG) reconstruction methods by comparing the patient quality of life and functional dynamics at one year postoperatively.
    Methods: We compared functional outcomes between Billroth I following laparoscopic 1/2 DG (L-B1; n = 27) and Roux en Y following laparoscopic 4/5 DG (L-RY; n = 24), including laparoscopic total gastrectomy (L-TG; n = 25), at one year postoperatively. Clinical investigations were performed in each patient, and functional evaluations by the acetaminophen (AAP) absorption test and plasma gastrointestinal hormone measurements were performed in consenting patients in each group (L-B1: n = 10, L-RY: n = 10, L-TG: n = 5).
    Results: Postoperative/preoperative body weight ratios were significantly higher in the L-B1 and L-RY groups, in descending order than the L-TG group, although the meal intake ratio was not significantly different between the L-B1 and L-RY groups. The incidence of remnant gastritis was significantly higher in the B1 than in the RY group. AAP levels, glucose and glucagon-like peptide 1 were significantly lower in the L-B1 than in the L-RY group. Active ghrelin levels (AGL) were similar between the L-B1 and L-RY groups.
    Conclusions: L-B1 maintains gradual intestinal absorption and physiological meal passage and prevents postoperative weight loss. L-RY results in maintenance of the postoperative meal intake via high AGL, equivalent to that in the L-B1 group.
    MeSH term(s) Humans ; Gastric Stump ; Stomach Neoplasms/surgery ; Quality of Life ; Treatment Outcome ; Gastroenterostomy/methods ; Anastomosis, Roux-en-Y/methods ; Gastrectomy/methods ; Laparoscopy/methods ; Postoperative Complications/epidemiology
    Language English
    Publishing date 2022-08-01
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 1115435-4
    ISSN 1436-2813 ; 0941-1291
    ISSN (online) 1436-2813
    ISSN 0941-1291
    DOI 10.1007/s00595-022-02557-w
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  9. Article: Electrohydraulic lithotripsy for hepatolithiasis in a stenotic intrahepatic bile duct after Roux-en-Y hepaticojejunostomy

    Nakamura, Kenji / Okamoto, Takeshi / Katayama, Tadashi / Takigawa, Yutaka / Fukuda, Katsuyuki / Kishikawa, Hiroshi / Nishida, Jiro

    Endoscopy

    2021  Volume 54, Issue 02, Page(s) E61–E62

    Language English
    Publishing date 2021-03-05
    Publisher Georg Thieme Verlag KG
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 80120-3
    ISSN 1438-8812 ; 0013-726X
    ISSN (online) 1438-8812
    ISSN 0013-726X
    DOI 10.1055/a-1381-6152
    Database Thieme publisher's database

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  10. Article ; Online: Correction: Retrograde endosonography-guided hepaticojejunostomy after failed rendezvous in a patient with Roux-en-Y anastomosis.

    Okamoto, Takeshi / Nakamura, Kenji / Yabuta, Minoru / Fukuda, Katsuyuki

    Endoscopy

    2021  Volume 54, Issue 4, Page(s) C4

    Language English
    Publishing date 2021-11-24
    Publishing country Germany
    Document type Journal Article ; Published Erratum
    ZDB-ID 80120-3
    ISSN 1438-8812 ; 0013-726X
    ISSN (online) 1438-8812
    ISSN 0013-726X
    DOI 10.1055/a-1634-1768
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