Publications by authors named "Shigeki Maruyama"

To assess the efficacy of the additional treatment of transcatheter arterial chemoembolization (TACE) to percutaneous ethanol injection (PEI) therapy for relatively small hepatocellular carcinomas (HCCs), a multicenter randomized control study (RCT) was performed. We conducted an RCT and follow-up study during the enrollment period from 1997 to 1999. Newly diagnosed patients with one to three HCC tumors measuring from 2 to 4 cm (4 cm maximum) in diameter were enrolled.

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4-Hydroxy-2-methyl-4-phenyl-1,2,3,4-tetrahydroisoquinoline (PI-OH) (1a) and its derivatives form a new class of compounds which possess norepinephrine (NE) potentiating activity. As a new series of compounds, 1-hydroxy-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepines (2a--f) were synthesized by the intramolecular Barbier reaction of N-[2-(2-iodophenyl)ethyl]phenacylamines (6a--f) with n-BuLi as a key reaction step. The potentiating activities of the benzazepines 2a--f on the contraction of rat anococcygeus muscle induced by NE were tested.

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A prospective, randomized comparison of posterior cruciate-retaining (PCR) and posterior stabilized (PS) total knee arthroplasties (TKAs) was conducted in 20 patients who underwent bilateral TKAs for osteoarthritis. All procedures were performed by a single surgeon. One knee was implanted with a PCR TKA, and a contralateral knee with a PS TKA.

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