2001
DOI: 10.1067/mtc.2001.112464
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Dynamic in vitro calcification of bioprosthetic porcine valves: Evidence of apatite crystallization

Abstract: Intrinsic calcification of glutaraldehyde-fixed porcine valves was induced in vitro. Electron microprobe analysis and x-ray powder diffraction findings were in keeping with apatite crystallization, such as that occurring in valve xenografts implanted in vivo. The model may be of value to accelerate the screening of anticalcific agents and may reduce the need for animal experiments.

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Cited by 44 publications
(21 citation statements)
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“…Solche pathologischen Verkalkungen sind z. B. verantwortlich für Blasensteine,15, 189, 190 Arteriosklerose,141, 191–193 Zahnstein,45, 46 die Verkalkung von künstlichen Herzklappen,194–198 und verkalkte Menisken („Chondrocalcinose“) 199, 200. Abbildung 8 zeigt eine arteriosklerotische Ablagerung von Calciumphosphat (gemeinsam mit Cholesterin), die aus verkalkten Arterien isoliert wurde 193, 201.…”
Section: Die Pathologische Kristallisation Von Calciumphosphatenunclassified
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“…Solche pathologischen Verkalkungen sind z. B. verantwortlich für Blasensteine,15, 189, 190 Arteriosklerose,141, 191–193 Zahnstein,45, 46 die Verkalkung von künstlichen Herzklappen,194–198 und verkalkte Menisken („Chondrocalcinose“) 199, 200. Abbildung 8 zeigt eine arteriosklerotische Ablagerung von Calciumphosphat (gemeinsam mit Cholesterin), die aus verkalkten Arterien isoliert wurde 193, 201.…”
Section: Die Pathologische Kristallisation Von Calciumphosphatenunclassified
“…Es ist bis heute nicht klar, warum dies geschieht. Zumindest bei Herzklappen biologischen Ursprungs scheint eine Keimbildung an den Phospholipidgruppen von toten Zellen wahrscheinlich 194–198…”
Section: Die Pathologische Kristallisation Von Calciumphosphatenunclassified
“…According to the data available (Poloni and Ward 2014), the unwanted depositions could consist of many substances and all of them always lead to various diseases. Regarding the unwanted depositions of CaPO 4 , they are found in soft tissue calcification (in damaged joints, blood vessels, dysfunctional areas in the brain, diseased organs, scleroderma, prostate stones) (Reid and Andersen 1993;Scotchford and Ali 1995;P'ng et al 2008;Brancaccio and Cozzolino 2005;Goff and Reichard 2006;Bittmann et al 2003;Molloy and McCarthy 2006;Giachelli 2004;Kazama et al 2007), kidney (Giannossi and Summa 2012;Mukherjee 2014) and urinary (Zhu et al 2014;Huo et al 2015;Selvaraju et al 2015) stones, dental pulp stones and dental calculus (Kakei et al 2009;Kodaka et al 1988Kodaka et al , 1998Ç iftçioglu et al 1998;Hayashizaki et al 2008), salivary stones (Zelentsov et al 2001;Luers et al 2014), gall stones (Qiao et al 2013;Hussain and AlJashamy 2013), pineal gland calcifications (Güney et al 2013), atherosclerotic arteries and veins (Ortlepp et al 2004;Tomazic 2001;Marra et al 2006;Kurabayashi 2013), coronary calcification (Fitzpatrick et al 2003;Matsui et al 2015), damaged cardiac valves (Suvorova and Buffat 2005), calcification on artificial heart valves (Giachelli 2001; Pettenazzo et al 2001;...…”
Section: Antlersmentioning
confidence: 99%
“…In this work, we describe a modification of our methodology [5,6] inserting a device similar to that of UP into our valve tester. Using this combined method, five heart valve bioprostheses were tested for calcification at accelerated loading conditions, while immersed in solutions held at stable high supersaturation conditions throughout the test period.…”
Section: Introductionmentioning
confidence: 99%