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  1. AU="Arima, Tetsuhiko"
  2. AU="José Del Castillo Diego, Julio"
  3. AU="Han, Shujie"
  4. AU="Hernandez-Garcia, Elena"
  5. AU="Mansfield, Sara A"
  6. AU="Igarashi, Miyako"
  7. AU="Eloisa Romano"

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  1. Artikel ; Online: Safe removal of a synthetic paper for cake decoration that had caused a hemorrhagic rectal ulcer using a detachable snare after hemostatic treatment.

    Nakao, Yasuhiko / Mawatari, Fumihiro / Arima, Tetsuhiko / Fukuda, Sachiko / Kita, Yoshiko / Fukahori, Aiko / Nakao, Kazuhiko

    Endoscopy

    2022  Band 54, Heft S 02, Seite(n) E1007–E1008

    Sprache Englisch
    Erscheinungsdatum 2022-08-04
    Erscheinungsland Germany
    Dokumenttyp Journal Article
    ZDB-ID 80120-3
    ISSN 1438-8812 ; 0013-726X
    ISSN (online) 1438-8812
    ISSN 0013-726X
    DOI 10.1055/a-1887-6077
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel: Safe removal of a synthetic paper for cake decoration that had caused a hemorrhagic rectal ulcer using a detachable snare after hemostatic treatment

    Nakao, Yasuhiko / Mawatari, Fumihiro / Arima, Tetsuhiko / Fukuda, Sachiko / Kita, Yoshiko / Fukahori, Aiko / Nakao, Kazuhiko

    Endoscopy

    (More E-Videos)

    2022  Band 54, Heft S 02, Seite(n) E1007–E1008

    Serientitel More E-Videos
    Sprache Englisch
    Erscheinungsdatum 2022-08-04
    Verlag Georg Thieme Verlag KG
    Erscheinungsort Stuttgart ; New York
    Dokumenttyp Artikel
    ZDB-ID 80120-3
    ISSN 1438-8812 ; 0013-726X
    ISSN (online) 1438-8812
    ISSN 0013-726X
    DOI 10.1055/a-1887-6077
    Datenquelle Thieme Verlag

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  3. Artikel ; Online: Successful removal of an accidentally swallowed press-through package sheet using a detachable snare: A case report.

    Mawatari, Fumihiro / Komatsu, Naohiro / Oshiro, Ryosaku / Arima, Tetsuhiko / Fukuda, Sachiko / Kita, Yoshiko / Fukahori, Aiko / Nakao, Kazuhiko

    DEN open

    2021  Band 2, Heft 1, Seite(n) e41

    Abstract: Accidental swallowing of press-through package (PTP) sheets that could cause esophageal perforation is commonly encountered in emergency departments requiring early detection and removal. We report a case in which an accidentally swallowed PTP sheet was ... ...

    Abstract Accidental swallowing of press-through package (PTP) sheets that could cause esophageal perforation is commonly encountered in emergency departments requiring early detection and removal. We report a case in which an accidentally swallowed PTP sheet was removed from the esophagus using a detachable snare after usual endoscopic methods proved ineffective. A Japanese woman in her 60s visited the emergency department with a persistent sore throat. Cervicothoracic computed tomography revealed presence of a PTP sheet in the cervical esophagus, and emergency endoscopy was performed. Pre-endoscopy simulations using a sheet identical to the one swallowed by the patient indicated that the sheet would not have been retrievable using an overtube (its inner diameter was smaller than the sheet's diameter) and grasping forceps (they slipped off the sheet). It was successfully removed using a detachable snare, a device normally employed in colorectal polypectomy, allowing us to ligate the end of the sheet and pull it into the overtube. To the best of our knowledge, this is the first report of endoscopic removal of a PTP sheet from the esophagus using a detachable snare. We suggest that this novel method would facilitate removal of esophageal PTP sheets.
    Sprache Englisch
    Erscheinungsdatum 2021-09-07
    Erscheinungsland Australia
    Dokumenttyp Case Reports
    ISSN 2692-4609
    ISSN (online) 2692-4609
    DOI 10.1002/deo2.41
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Procedure-Related Complications and Survival after Gastrostomy: Results from a Japanese Cohort.

    Mawatari, Fumihiro / Miyaaki, Hisamitsu / Arima, Tetsuhiko / Ito, Hiroyuki / Matsuki, Kei / Fukuda, Sachiko / Kita, Yoshiko / Fukahori, Aiko / Ikematsu, Yoshito / Nakao, Kazuhiko

    Annals of nutrition & metabolism

    2021  Band 76, Heft 6, Seite(n) 413–421

    Abstract: Introduction: In 2010, a large-scale multi-institutional study in Japan showed a good prognosis for percutaneous endoscopic gastrostomy (PEG). However, the function and efficacy of PEG are not fully understood by patients, families, and health-care ... ...

    Abstract Introduction: In 2010, a large-scale multi-institutional study in Japan showed a good prognosis for percutaneous endoscopic gastrostomy (PEG). However, the function and efficacy of PEG are not fully understood by patients, families, and health-care professionals; thus, the number of PEG treatments in Japan has declined. Therefore, we aimed to investigate the safety of the PEG procedure and subsequent survival after PEG.
    Methods: In total, 249 PEGs were performed at Juzenkai Hospital from 2005 to 2017. PEG was originally performed using the pull method and then by a modified introducer method from mid-2011. We examined procedure-related complications and survival rates after PEG.
    Results: Fifty-one (20.5%) procedure-related complications occurred; emergency surgery was required in 4 cases. Infections accounted for 76.5% (39/51) of complications. More infections occurred with the pull method than with the modified introducer method. The 1-year survival rate was 66.8%; the median survival time was 678 days. Nine patients (3.6%) died within 30 days; no deaths were directly related to PEG. Sex, age, and albumin level before surgery significantly influenced the prognosis.
    Conclusion: Due to changes in the PEG insertion method and other factors, PEG has become a safer treatment method. Additionally, PEG-based nutritional supplementation is associated with adequate survival.
    Mesh-Begriff(e) Aged ; Aged, 80 and over ; Enteral Nutrition/methods ; Enteral Nutrition/mortality ; Female ; Gastrostomy/methods ; Gastrostomy/mortality ; Humans ; Japan ; Male ; Postoperative Complications/etiology ; Postoperative Complications/mortality ; Retrospective Studies ; Survival Rate ; Treatment Outcome
    Sprache Englisch
    Erscheinungsdatum 2021-02-24
    Erscheinungsland Switzerland
    Dokumenttyp Evaluation Study ; Journal Article
    ZDB-ID 392341-1
    ISSN 1421-9697 ; 0250-6807 ; 1018-9688
    ISSN (online) 1421-9697
    ISSN 0250-6807 ; 1018-9688
    DOI 10.1159/000513616
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: Survival Rate and Shunt Infection Incidence Following Gastrostomy in Adult Patients with an Existing Ventriculoperitoneal Shunt.

    Mawatari, Fumihiro / Shimizu, Tadashi / Miyaaki, Hisamitsu / Arima, Tetsuhiko / Fukuda, Sachiko / Kita, Yoshiko / Fukahori, Aiko / Ito, Hiroyuki / Matsuki, Kei / Ikematsu, Yoshito / Ryu, Nobutoshi / Nakao, Kazuhiko

    Neurologia medico-chirurgica

    2021  Band 61, Heft 12, Seite(n) 758–765

    Abstract: Ventriculoperitoneal shunts (VPS) and gastrostomies are frequently provided in daily practice. This study investigated the incidence of VPS infection and the survival rate among adult patients who underwent gastrostomy at least 1 month after VPS ... ...

    Abstract Ventriculoperitoneal shunts (VPS) and gastrostomies are frequently provided in daily practice. This study investigated the incidence of VPS infection and the survival rate among adult patients who underwent gastrostomy at least 1 month after VPS placement. This single-center retrospective cohort study was conducted among patients with a VPS, who underwent a gastrostomy. This procedure was performed on a standby basis after a period of at least 1 month had elapsed since VPS placement. Subsequent VPS infection and survival rates were assessed over a period of at least 6 months. We reviewed 31 patients who had a VPS at the time of gastrostomy. Gastrostomy was performed endoscopically in 29 cases and via open surgery in 2 cases. The average interval between VPS insertion and gastrostomy was 1135.5 ± 1717.1 days. A single case of VPS infection (3.2%) was diagnosed during the study. This infection rate was not significantly different than that among 230 patients who underwent their first VPS placement (without gastrostomy) at our institution during the same time period (P = .57); there was also no significant difference in the survival rate, compared to 38 age-matched patients (with cerebrovascular disease, but without a VPS) who underwent gastrostomy (P = .73). Gastrostomy performed after an interval of at least 1 month after VPS placement was extremely safe in adult patients, and their prognosis was excellent. Additional studies are required to develop appropriate nutritional interventions for patients with a VPS.
    Mesh-Begriff(e) Adult ; Gastrostomy/adverse effects ; Humans ; Hydrocephalus/epidemiology ; Hydrocephalus/surgery ; Incidence ; Postoperative Complications ; Retrospective Studies ; Survival Rate ; Ventriculoperitoneal Shunt/adverse effects
    Sprache Englisch
    Erscheinungsdatum 2021-10-08
    Erscheinungsland Japan
    Dokumenttyp Journal Article
    ZDB-ID 604061-5
    ISSN 1349-8029 ; 0470-8105
    ISSN (online) 1349-8029
    ISSN 0470-8105
    DOI 10.2176/nmc.oa.2021-0165
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  6. Artikel ; Online: Case series of duodenal follicular lymphoma, observed by magnified endoscopy with narrow-band imaging.

    Norimura, Daisuke / Isomoto, Hajime / Imaizumi, Yoshitaka / Akazawa, Yuko / Matsushima, Kayoko / Inoue, Naoki / Yamaguchi, Naoyuki / Ohnita, Ken / Shikuwa, Saburo / Arima, Tetsuhiko / Hayashi, Tomayoshi / Takeshima, Fuminao / Miyazaki, Yasushi / Nakao, Kazuhiko

    Gastrointestinal endoscopy

    2011  Band 74, Heft 2, Seite(n) 428–434

    Mesh-Begriff(e) Aged ; Duodenal Neoplasms/diagnosis ; Duodenal Neoplasms/drug therapy ; Duodenal Neoplasms/pathology ; Endoscopy, Gastrointestinal/methods ; Female ; Humans ; Image Enhancement/methods ; Immunohistochemistry ; Lymphoma, Follicular/diagnosis ; Lymphoma, Follicular/drug therapy ; Lymphoma, Follicular/pathology ; Male ; Middle Aged ; Neoplasm Regression, Spontaneous/pathology ; Remission Induction ; Watchful Waiting
    Sprache Englisch
    Erscheinungsdatum 2011-08
    Erscheinungsland United States
    Dokumenttyp Case Reports ; Journal Article
    ZDB-ID 391583-9
    ISSN 1097-6779 ; 0016-5107
    ISSN (online) 1097-6779
    ISSN 0016-5107
    DOI 10.1016/j.gie.2011.03.1237
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  7. Artikel: Transactivation of human alpha-fetoprotein gene by X-gene product of hepatitis B virus in human hepatoma cells.

    Arima, Tetsuhiko / Nakao, Kazuhiko / Nakata, Keisuke / Ishikawa, Hiroki / Ichikawa, Tatsuki / Hamasaki, Keisuke / Ishii, Nobuko / Eguchi, Katsumi

    International journal of molecular medicine

    2002  Band 9, Heft 4, Seite(n) 397–400

    Abstract: The X-gene product of hepatitis B virus (HBX) modulates a variety of viral and cellular genes relevant to hepatocarcinogenesis, where alpha-fetoprotein (AFP) is produced by hepatoma cells. In the present study, the possible mechanism by which HBX ... ...

    Abstract The X-gene product of hepatitis B virus (HBX) modulates a variety of viral and cellular genes relevant to hepatocarcinogenesis, where alpha-fetoprotein (AFP) is produced by hepatoma cells. In the present study, the possible mechanism by which HBX regulates AFP expression was investigated using three human hepatoma cells, HepG2, HuH-7 and Hep3B, which are known to contain the wild-type, the mutant-type and the deletion of p53, respectively. Transfection with the HBX expression vector stimulated the co-transfected AFP reporter gene expression in HepG2 cells and HuH-7 cells, but not in Hep3B cells. Transfection with the p53 expression vector repressed the AFP reporter gene expression in all three hepatoma cells, while overexpression of HBX counteracted the p53-induced repression. In addition, a G-->A substitution at nucleotide -119 in the AFP promoter sequence abrogated the stimulatory effect of HBX on the AFP promoter in HepG2 cells. These results suggest that HBX interacts with p53 to up-regulate AFP gene transcription probably by restoration of the p53-mediated repression of the AFP promotor activity.
    Mesh-Begriff(e) Carcinoma, Hepatocellular/genetics ; Carcinoma, Hepatocellular/metabolism ; Gene Expression Regulation, Neoplastic ; Humans ; Liver Neoplasms/genetics ; Liver Neoplasms/metabolism ; Trans-Activators/genetics ; Trans-Activators/metabolism ; Transcriptional Activation ; Tumor Cells, Cultured ; Tumor Suppressor Protein p53/metabolism ; alpha-Fetoproteins/genetics ; alpha-Fetoproteins/metabolism
    Chemische Substanzen Trans-Activators ; Tumor Suppressor Protein p53 ; alpha-Fetoproteins ; hepatitis B virus X protein
    Sprache Englisch
    Erscheinungsdatum 2002-04
    Erscheinungsland Greece
    Dokumenttyp Journal Article
    ZDB-ID 1444428-8
    ISSN 1107-3756
    ISSN 1107-3756
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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