Publications by authors named "Takeshi Fukunaga"

Purpose: To elucidate the characteristics of imipenem (IPM)/cilastatin (CS) as an embolic material in microvessels in vivo.

Materials And Methods: Three healthy rabbits were injected subcutaneously in 1 auricle with picibanil (OK-432) in advance to create an inflammation-induced neovascular model. Microangiography was performed using monochromatic X-rays obtained from a large synchrotron radiation facility (SuperPhoton ring-8 GeV, SPring-8).

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Background: Imipenem/cilastatin (IPM/CS) has long been administered intravenously as a carbapenem antibiotic. However, since this agent is poorly soluble in liquid, occasional reports have described its use as a short-acting, temporary embolic agent. The purpose of this study was to elucidate the characteristics of IPM/CS particles, which are thought to have pain-relieving effects against osteoarthritis-related pain, as an embolic agent.

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Background: Generic oxaliplatin is widely used in colorectal cancer chemotherapy; however, studies on the adverse events of generic drugs are limited. We investigated the safety of brand-name and generic oxaliplatin used in capecitabine plus oxaliplatin(plus bevacizumab: Bmab)for colorectal cancer treatment.

Participants And Methods: A total of 86 patients who newly started CAPOX(plus Bmab)between January 2018 and January 2022 were included in this retrospective study, excluding those who changed to generic from the brand-name drug during the chemotherapy course.

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Catheterization of the right adrenal vein (rt.AdV) to obtain blood samples can often be difficult. The aim of the present study was to investigate whether blood sampling from the inferior vena cava (IVC) at its juncture with the rt.

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Article Synopsis
  • * A 60-year-old woman experienced a sudden collapse and was comatose upon hospital arrival, where imaging revealed SAH from an aneurysm and an unexpected intra-abdominal hematoma detected during a COVID-19 screening.
  • * The patient's condition worsened rapidly despite emergency treatments, underscoring the rarity of intra-abdominal hemorrhage in SAH cases and highlighting the need for swift intervention when vital signs are unstable.
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Objective: High b-value diffusion-weighted imaging (hDWI) with a b-value of 2000 s/mm provides insufficient image contrast between benign and malignant tissues and an overlap of apparent diffusion coefficient (ADC) between Gleason grades (GG) in prostate cancer (PC). We compared image quality, PC detectability, and discrimination ability for PC aggressiveness between ultra-high b-value DWI (uhDWI) of 3000 s/mm and hDWI.

Methods: The subjects were 49 patients with PC who underwent 3T multiparametric MRI.

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Purpose: To compare diffusion-weighted imaging (DWI) and dynamic contrast-enhanced MR imaging (DCE-MRI) for characterization of prostate cancer (PC).

Methods: 104 PC patients who underwent prostate multiparametric MRI at 3T including DWI and DCE-MRI before MRI-guided biopsy or radical prostatectomy. Apparent diffusion coefficient (ADC) with histogram analysis (mean, 0-25th percentile, skewness, and kurtosis), intravoxel incoherent motion model including D and f; stretched exponential model including distributed diffusion coefficient (DDC) and a; and permeability parameters including K, K, and V were obtained from a region of interest placed on the dominant tumor of each patient.

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Purpose: To evaluate the influence of cholecystectomy on the flow dynamic pattern of bile in the extrahepatic bile duct by using cine-dynamic MRCP with spatially-selective inversion-recovery (IR) pulse non-invasively.

Materials And Methods: 56 patients with cholecystectomy and 48 control subjects without cholecystectomy who underwent cine-dynamic MRCP with spatially-selective IR pulse at 1.5 T or 3 T (TR/TE, 4000 msec/500 msec; echo train spacing, 6.

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