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Endoscopic Examination for Patients with Diarrhea after Allogeneic Stem Cell Transplantation

Open Journal of Internal Medicine 2017年第4期7卷 105-114页

作者： Junichi Kitagawa Takuro Matsumoto Yuhei Shibata Nobuhiko Nakamura Hiroshi Nakamura Soranobu Ninomiya yasuhito nannya Masahito Shimizu Takeshi Hara Hiroshi Araki Hisashi Tsurumi Department of Hematology Graduate School of Medicine Gifu University Gifu Japan Department of Gastroenterology Graduate School of Medicine Gifu University Gifu Japan

Objective: Intestinal graft-versus-host disease (GVHD) represents one of the most serious complications of allogeneic stem cell transplantation (allo-SCT). Endoscopic and histological proof is required due to the number of differential diagnoses manifesting as diarrhea. We investigated the safety of endoscopic biopsies, and the role of conducting biopsies and inspections of the terminalileum. Patients: Thirty two colonoscopic examinations and 29 biopsies were performed for 19 patients after allo-SCT in our institute between October 2011 and May 2015. Results: Endoscopic examinations and biopsies were performed safely under the policy of transfusing platelets for thrombocytopenia (3/μL). For biopsied cases, the diagnostic consistency rate with endoscopic findings was 60%, with a tendency toward negative correlations with early examinations after diarrhea onset (25% for 0 - 1 days;62.5% for later) or low-grade GVHD according to Freiburg criteria (41.2% for grade 1, 66.7% for grade 2, 100% for higher). The terminal ileum was inspected with colonoscopy in 13 cases. Endoscopic diagnoses of the ileum were provided in 11 cases and histological diagnoses in 9 cases. Diagnostic consistency for diagnosis of the terminal ileum between endoscopy and histology was 77.8%. Conclusion: Because endoscopic and histopathological findings do not always match, caution is required when focusing on endoscopic findings alone, as there is a risk of misdiagnosis. Extensive inspection of the terminal ileum with biopsy appears useful to identify otherwise undetected lesions. Our data thus support invasive endoscopic examinations for gastrointestinal complications, including ileac inspection and biopsies under appropriate management.

关键词： Intestinal GVHD Endoscopic Evaluation Ileoscopy Colonoscopy

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Garenoxacin Prophylaxis for Febrile Neutropenia after Chemotherapy in Hematological Malignancies

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Open Journal of Internal Medicine 2016年第4期6卷 128-138页

作者： Nobuhiko Nakamura Takeshi Hara Soranobu Ninomiya Yuhei Shibata Takuro Matsumoto Hiroshi Nakamura Junichi Kitagawa yasuhito nannya Masahito Shimizu Nobuo Murakami Hisashi Tsurumi Department of Hematology Gifu University Graduate School of Medicine Gifu Japan

Background: Febrile neutropenia is one of the most serious adverse events in patients with hematological malignancies and chemotherapy. The routine use of fluoroquinolone prophylaxis in patients with hematological malignancies is controversial. Therefore, we prospectively evaluated the efficacy and safety of prophylactic use of garenoxacin for febrile neutropenia. Patients and Methods: Consecutive adult patients with hematological malignancies who were at risk for chemotherapy-induced neutropenia lasting more than seven days were eligible for present study. They received oral garenoxacin (400 mg daily) from the neutrophil count decreased to less than 1000/μl and continued until the neutropenia had resolved. The primary endpoint was incidence of febrile neutropenia, and the secondary endpoints were the type and incidence of adverse events. Results: We enrolled 46 consecutive patients (median age, 59 years). The underlying diseases comprised acute myeloid leukemia (n = 17), acute lymphoblastic leukemia (n = 3), malignant lymphoma (n = 23), and multiple myeloma (n = 3). There were 23 febrile neutropenia episodes and 2 episodes of bacteremia. There were no grade 3 or 4 adverse events;however serum creatinine levels were significantly elevated after garenoxacin administration. The overall prophylactic efficacy of garenoxacin was 50%, and there were no infection-related deaths. Conclusions: Prophylactic use of garenoxacin is effective and safe in patients with hematological malignancies. (Clinical trial registration number: UMIN000004979).

关键词： Febrile Neutropenia Prophylaxis Garenoxacin Hematological Malignancies

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