Publications by authors named "Hiroshi Hotei"

The patient was a 72-year-old female. She had been taking rivaroxaban for chronic atrial fibrillation; however, she stopped taking it due to anemia and was hospitalized urgently. A contrast-enhanced computed tomography(CT)scan showed a 30 mm mass in the ascending colon, and a colonoscopy revealed ascending colon cancer(cT3, cN0, cM0, cStage Ⅱa).

View Article and Find Full Text PDF
Article Synopsis
  • - Rectovaginal fistula (RVF) is a complex complication that can occur after low anterior resection (LAR) for rectal cancer, often resistant to treatment.
  • - A case study details a successful omental flap repair for RVF in a 50-year-old woman who experienced this issue after LAR; conservative treatments had failed.
  • - The procedure involved laparoscopic techniques and resulted in no recurrence of the fistula a year later, suggesting that omental flap coverage could be a viable alternative for treating RVF post-surgery.
View Article and Find Full Text PDF

We report a case of locally advanced rectal cancer presenting with perforation that was successfully resected after preoperative chemotherapy. A 66-year-old woman visited our emergency room complaining of lower abdominal pain. Abdominal CT showed a rectal tumor with fluid collection and free air in the pelvis.

View Article and Find Full Text PDF

We report a case of nephrotic syndrome induced by ramucirumab for metastatic rectal cancer. A 48-year old woman who had received FOLFIRI plus ramucirumab for rectal cancer with liver, lung, and bone metastases presented to our hospital with edema and increased body weight. Laboratory studies showed hypoalbuminemia and severe proteinuria, and the patient was diagnosed with nephrotic syndrome.

View Article and Find Full Text PDF

A computer simulation was carried out to investigate the influence of nonpulsatile left ventricular assistance on hemodynamics. A simulation circuit was constructed to represent the circulatory system. A source of current was added to denote the nonpulsatile blood pump.

View Article and Find Full Text PDF