Search Results - "Cheung, David T"

Relative distribution and crosslinking of collagen distinguish fetal from adult sheep wound repair by Lovvorn, Harold N, Cheung, David T, Nimni, Marcel E, Perelman, Natasha, Estes, James M, Adzick, N.Scott

“…Background/Purpose: Collagen deposition in midgestation fetal skin wounds occurs rapidly and in a normal reticular pattern unlike adult scar. Although collagen…”
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Behavior of vital and killed autologous pericardium in the descending aorta of sheep by Cheung, David T., Choo, Suk Jung, Grobe, Albert C., Marchion, Douglas C., Luo, Hong He, Pang, David C., Favara, Blaise E., Oury, James H., Duran, Carlos M.G.

“…Objectives: Cardiovascular implants of fresh autologous pericardium produced mixed results including fibrosis with retraction or thinning and dilatation. The…”
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Comparative experimental study between L-Hydro treated pulmonary homograft and fresh pulmonary homograft by Rey, Nei Antônio, Moreira, Luiz Felipe Pinho, Cheung, David T, Casagrande, Ivan Sérgio Joviano, Benvenuti, Luiz Alberto, Stolf, Noedir Antonio Groppo

“…In an effort to make available homografts preserved in a simpler and less costly way, we evaluated the polyethyleneglycol, L-Hydro (LH) method, that consists…”
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Effects of lathyritic drugs and lathyritic demineralized bone matrix on induced and sustained osteogenesis by Di Cesare, P E, Nimni, M E, Yazdi, M, Cheung, D T

“…Demineralized bone matrix was implanted in normal and lathyritic rats. At 2 weeks, the bone that formed in the lathyritic animals had an elevated alkaline…”
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Stentless Valves Treated by the L-Hydro Process in the Aortic Position in Sheep by Santos, Paulo C, Gerola, Luis R, Casagrande, Ivan, Buffolo, Enio, Cheung, David T

“…Calcification of glutaraldehyde-treated bioprosthetic heart valves is a major cause of long-term failure. We studied porcine aortic valves treated by the…”
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Collagen content is significantly lower in restenotic versus nonrestenotic vessels after balloon angioplasty in the atherosclerotic rabbit model by COATS, W. D, WHITTAKER, P, CHEUNG, D. T, CURRIER, J. W, HAN, B, FAXON, D. P

“…It is recognized that restenosis is primarily due to alterations in geometric remodeling of the extracellular matrix rather than intimal hyperplasia. Prior…”
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Estudo experimental comparativo do enxerto homólogo pulmonar tratado pelo processo L-Hydro com o homoenxerto pulmonar a fresco by Rey, Nei Antônio, Moreira, Luiz Felipe Pinho, Cheung, David T, Casagrande, Ivan Sérgio Joviano, Benvenuti, Luiz Alberto, Stolf, Noedir Antonio Groppo

“…OBJETIVO: Buscando novas formas de preservação de tecidos utilizamos o polietileno-glicol, método L-Hydro (LH), que consiste na extração controlada de…”
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An in vitro model of pericardial tissue healing by Marchion, Douglas C, Pfau, Jean C, Weber, Patricia A, Grobe, Albert C, Duran, Carlos M.G, Cheung, David T

“…Introduction: A previous study in our laboratory showed that a flap of fresh autologous pericardium bisecting the aorta of sheep retracted and became fibrotic…”
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Comparative Study of the L-Hydro Process and Glutaraldehyde Preservation by Nina, Vinicius JS, Pomerantzeff, Pablo MA, Casagrande, Ivan SJ, Cheung, David T, Brandao, Carlos MA, Oliveira, Sergio A

“…Commercial bioprosthetic heart valves are commonly preserved in glutaraldehyde and are cytotoxic to host cells, preventing spontaneous endothelialization. The…”
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Cellular expression of PCNA and procollagen in vital and ethanol-treated autologous pericardial implants in sheep by Marchion, Douglas C, Cheung, David T, Grobe, Albert C, Weber, Patricia A, Duran, Carlos M G

“…Cardiovascular surgeries involving repair or reconstruction of heart valve leaflets with vital autologous pericardium have shown detrimental healing outcomes,…”
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Serum components stimulate pericardial tissue contraction by Marchion, Douglas C, Sticka, Josh J, Han, Tian Hao, Weber, Patricia A, Cheung, David T, Grobe, Albert C, Duran, Carlos M G

“…Previous experiments have demonstrated the retraction and fibrosis of vital autologous pericardial flap implants in the descending aorta of sheep. An in-vitro…”
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Halofuginone inhibits serum-stimulated pericardial tissue retraction in vitro by Marchion, Douglas C, Weber, Patricia A, Lomnitski, Liat, Duran, Carlos M G, Cheung, David T

“…We developed an in vitro model of tissue contraction in which living pericardium, in response to serum, contracted and the cells in situ expressed…”
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Effects of indomethacin on demineralized bone-induced heterotopic ossification in the rat by DiCesare, P E, Nimni, M E, Peng, L, Yazdi, M, Cheung, D T

“…Indomethacin inhibits bone formation when treatment is initiated before the implantation of demineralized bone matrix (DBM). For the inhibition of bone…”
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Estudo experimental comparativo do enxerto homólogo pulmonar tratado pelo processo L-Hydro com o homoenxerto pulmonar a fresco Comparative experimental study between L-Hydro treated pulmonary homograft and fresh pulmonary homograft by Nei Antônio Rey, Luiz Felipe Pinho Moreira, David T Cheung, Ivan Sérgio Joviano Casagrande, Luiz Alberto Benvenuti, Noedir Antonio Groppo Stolf

“…OBJETIVO: Buscando novas formas de preservação de tecidos utilizamos o polietileno-glicol, método L-Hydro (LH), que consiste na extração controlada de…”
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Improving the results of small-bore vascular graft testing in rabbits: a technical primer by Pekar, F, Grobe, A.C, Weber, P.A, Cheung, D.T, Duran, C.M.G

“…Appropriate models to evaluate the in vivo behavior of small-diameter grafts are varied. To evaluate the behavior of small-diameter, bovine-derived grafts in…”
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Stabilization of pericardial tissue by dye-mediated photooxidation by Moore, M A, Bohachevsky, I K, Cheung, D T, Boyan, B D, Chen, W M, Bickers, R R, McIlroy, B K

“…Bovine pericardial tissue was stabilized through a dye-mediated photooxidation reaction. Shrink temperature analysis of the stabilized tissue indicated a…”
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Experiência inicial da utilização do xenoenxerto valvado porcino na via de saída do ventrículo direito em cardiopatias congênitas Inicial experience using valved porcine xenografts in the rigth ventricule outlet for congenital anomalies by Gláucio Furlanetto, Beatriz H. S. Furlanetto, David T. Cheung, Ivan S. J. Casagrande

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Inicial experience using valved porcine xenografts in the rigth ventricule outlet for congenital anomalies by Furlanetto, Gl ucio, Furlanetto, Beatriz H. S., Cheung, David T., Casagrande, Ivan S. J.

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Aortic root geometry: pattern of differences between leaflets and sinuses of Valsalva by Choo, S J, McRae, G, Olomon, J P, St George, G, Davis, W, Burleson-Bowles, C L, Pang, D, Luo, H H, Vavra, D, Cheung, D T, Oury, J H, Duran, C M

“…Growing interest in aortic root replacement with the use of stentless auto-, homo- and xenografts, and new developments in aortic valve conservation demand a…”
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Significant increase of aortic root volume and commissural area occurs prior to aortic valve opening by Pang, D C, Choo, S J, Luo, H H, Shomura, Y U, Daniel, S, Nikolic, S, Cheung, D T, Oury, J H, Duran, C M

“…The increased use of autologous, homologous or heterologous aortic root demands a detailed knowledge of its anatomy and function. The advent of 3-D digital…”
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