Publications by authors named "T SHIMAMOTO"

Introduction: Laser ablation using a 980-nm wavelength diode laser, which is a new-generation laser, for recurrent bladder cancer is known to have a lower incidence of complications and recurrence than conventional transurethral resection of bladder tumor surgery. This is the first study to report the use of 980-nm diode laser ablation for recurrent non-muscle-invasive bladder cancer in Japan.

Case Presentation: A 73-year-old man underwent transurethral laser ablation for the treatment of recurrent non-muscle-invasive bladder cancer.

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Primary bladder mucinous adenocarcinoma is a rare genitourinary cancer. Here, we present the case of a 75-year-old woman where pathological and imaging findings led to the diagnosis of primary bladder mucinous adenocarcinoma. She underwent treatment with paclitaxel-ifosfamide-cisplatin (TIP).

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Article Synopsis
  • - A new retron named retron-Vmi1 was discovered in Vibrio mimicus, which plays a key role in producing a small satellite DNA-RNA complex (msDNA) through the bacterial reverse transcriptase (RT) gene.
  • - The genetic structure of retron-Vmi1 is similar to another retron found in Salmonella, indicating related evolutionary pathways between these organisms.
  • - Evidence shows that retrons can be transferred between species, as retron-Vmi1 was found inserted in the dusA gene in a manner akin to a similar retron in V. parahaemolyticus, suggesting a complex evolutionary relationship among these bacteria.
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Background: The mechanical complications associated with acute myocardial infarction can be fatal. We report a life-saving case of a very elderly patient with consecutive mechanical complications of acute myocardial infarction.

Case Presentation: A 90-year-old woman was transferred to our hospital for emergency care due to chest pain.

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Article Synopsis
  • The study aimed to compare the outcomes of open total arch repair versus endovascular arch repair for aortic arch disease across multiple centers from 2008 to 2019.
  • A total of 1,052 patients were analyzed, with no significant difference in in-hospital mortality between the two methods, but open total arch repair showed a lower long-term risk of death overall and due to aorta-related complications.
  • Specifically, for patients with proximal landing zones 0/1, open repair had both better overall survival and fewer aorta-related deaths, while outcomes were similar for those with landing zone 2.
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