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        Daikenchuto improves the post-surgical albumin level and prognostic nutritional index after aortic valve replacement

        Mukae Yosuke,Furukawa Kojiro,Noguchi Ryo,Oda Yoshimasa,Furutachi Akira,Takamatsu Masanori,Itoh Manabu,Kamohara Keiji,Morita Shigeki,Nishida Takahiro 경희대학교 융합한의과학연구소 2021 Oriental Pharmacy and Experimental Medicine Vol.21 No.2

        Daikenchuto (TJ-100) is a Japanese traditional herbal medicine that enhances postoperative enterokinesis and increases the intestinal blood flow. Daikenchuto has historically played a positive role in the perioperative management of gastrointestinal surgery. However, the effect of Daikenchuto on improving nutrition after cardiac operation has never been reported. This study evaluated the effect of Daikenchuto administration after cardiac operation. Eighty-four patients who underwent isolated first aortic valve replacement (AVR) at our department from May 2008 to December 2014 were enrolled in this study and retrospectively examined. We administered Daikenchuto when patients started their water intake. Blood tests were performed before and seven days after AVR. We prescribed Daikenchuto for 21 patients (group D). The reductions in the albumin level and prognostic nutritional index (p = 0.045, p = 0.008, respectively, multivariate analysis of variance) after the operation were significantly lower in group D (3.75 ± 0.3 to 3.33 ± 0.4 and 44.7 ± 4.8 to 41.3 ± 6.7 mg/dl, respectively) than in the group without Daikenchuto (group N, 63 patients) (3.74 ± 0.5 to 3.13 ± 0.4 and 44.6 ± 6.3 to 37.7 ± 5.3 mg/dl, respectively). There were no significant differences in the incidence rates of postoperative complications or hospitalization duration between the two groups. Postoperative Daikenchuto administration is considered to be safe and effective for improving the postoperative nutritional status after simple AVR as well as digestive surgery.

      • Aliphatic C−H Bond Activation Initiated by a (μ-η<sup>2</sup>:η<sup>2</sup>-Peroxo)dicopper(II) Complex in Comparison with Cumylperoxyl Radical

        Matsumoto, Takahiro,Ohkubo, Kei,Honda, Kaoru,Yazawa, Akiko,Furutachi, Hideki,Fujinami, Shuhei,Fukuzumi, Shunichi,Suzuki, Masatatsu American Chemical Society 2009 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.131 No.26

        <P>A (mu-eta(2):eta(2)-peroxo)dicopper(II) complex, [Cu(2)(H-L)(O(2))](2+) (1-O(2)), supported by the dinucleating ligand 1,3-bis[bis(6-methyl-2-pyridylmethyl)aminomethyl]benzene (H-L) is capable of initiating C-H bond activation of a variety of external aliphatic substrates (SH(n)): 10-methyl-9,10-dihydroacridine (AcrH(2)), 1,4-cyclohexadiene (1,4-CHD), 9,10-dihydroanthracene (9,10-DHA), fluorene, tetralin, toluene, and tetrahydrofuran (THF), which have C-H bond dissociation energies (BDEs) ranging from approximately 75 kcal mol(-1) for 1,4-CHD to approximately 92 kcal mol(-1) for THF. Oxidation of SH(n) afforded a variety of oxidation products, such as dehydrogenation products (SH((n-2))), hydroxylated and further-oxidized products (SH((n-1))OH and SH((n-2))=O), dimers formed by coupling between substrates (H((n-1))S-SH((n-1))) and between substrate and H-L (H-L-SH((n-1))). Kinetic studies of the oxidation of the substrates initiated by 1-O(2) in acetone at -70 degrees C revealed that there is a linear correlation between the logarithms of the rate constants for oxidation of the C-H bonds of the substrates and their BDEs, except for THF. The combination of this correlation and the relatively large deuterium kinetic isotope effects (KIEs), k(2)(H)/k(2)(D) (13 for 9,10-DHA, approximately > 29 for toluene, and approximately 34 for THF at -70 degrees C and approximately 9 for AcrH(2) at -94 degrees C) indicates that H-atom transfer (HAT) from SH(n) (SD(n)) is the rate-determining step. Kinetic studies of the oxidation of SH(n) by cumylperoxyl radical showed a correlation similar to that observed for 1-O(2), indicating that the reactivity of 1-O(2) is similar to that of cumylperoxyl radical. Thus, 1-O(2) is capable of initiating a wide range of oxidation reactions, including oxidation of aliphatic C-H bonds having BDEs from approximately 75 to approximately 92 kcal mol(-1), hydroxylation of the m-xylyl linker of H-L, and epoxidation of styrene (Matsumoto, T.; et al. J. Am. Chem. Soc. 2006, 128, 3874).</P>

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