Publications by authors named "Ayaka Ishida"

Purpose: To compare the details, oncologists include in discharge letters with what home care physicians need. Although discharge letters are important to share patients' information for home palliative care, few studies have compared the details, especially patients' emotions, regarding what oncologists include in discharge letters and home care physicians' needs.

Methods: This cross-sectional study was conducted by sending anonymous, self-administered questionnaires to 500 certified oncologists (OCs) and 500 directors of home care supporting clinics (HCs) in Japan between March and May 2023.

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A 35-year-old woman of Asian descent with epigastralgia was referred to our hospital. Esophagogastroduodenoscopy revealed gastric cancer in the upper body and carpeting fundic gland polyposis in the fornix and body. Computed tomography revealed no metastases.

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Background: Endoscopic resection, especially endoscopic submucosal dissection (ESD), is increasingly performed in elderly patients with early gastric cancer, and lesions beyond the expanded indications are also resected endoscopically in some patients. It is essential to assess whether gastric ESD is safe and suitable for elderly patients and investigate what type of lesions carry an increased risk of ESD-related complications.

Aim: To assess the efficacy and feasibility of gastric ESD for elderly patients, and define high-risk lesions and prognostic indicators.

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Endothelins (ETs), a family of vasoconstrictor peptides, are up-regulated in several pathological conditions in the brain, and induce astrocytic proliferation. We previously observed that ET-1 increased the expression of cyclin D1 protein. Thus, we confirmed the intracellular up-regulation of cyclin D1 by ET-1 in rat cultured astrocytes.

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