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001-es BibID:	BIBFORM029771
Első szerző:	Berényi Ervin (radiológus)
Cím:	Pre-slaughter characteristics of proton nmr relaxation parameters in malignant hyperthermia susceptible pigs / Berenyi, E., Bogner, P., Miseta, A., Kover, G., Horn, P., Wheatley, D. N.
Dátum:	1994
ISSN:	0240-8813
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:	Science des Aliments. - 14 : 4 (1994), p. 459-467. -
További szerzők:	Bogner Péter (1963-) (radiológus) Miseta Attila Kövér G. Horn Péter Wheatley, Denys N.
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001-es BibID:	BIBFORM016933
035-os BibID:	(WoS)A1996TM60000004 (Scopus)0029688481
Első szerző:	Bogner Péter (radiológus)
Cím:	Nuclear magnetic resonance relaxation parameters of muscle in malignant hyperthermia-susceptible swine / Péter Bogner, Ervin Berényi, Attila Miseta, Péter Horn, Miklós Kellermayer, Denys N. Wheatley, Ferenc A. Jolesz
Dátum:	1996
ISSN:	1076-6332
Megjegyzések:	Rationale and Objectives. The malignant hyperthermia (MH) syndromeinvolves characteristic changes in metabolism that have a significanteffect on the postmortem properties of muscle tissue. We investigatedthe H-1 nuclear magnetic resonance (MR) relaxation parameters of muscletissue from normal (MH-) and malignant hyperthermia-susceptible (MH+)swine taken before their death to identify whether postmortem metabolicdifferences would be accompanied by changes in relaxation parameters.Methods. Muscle samples from 63 MH-susceptible swine were characterizedby proton MR relaxation times (T1 and T2). The water content, pH,conducting, and the ''subjective meat'' quality were assessed in orderto differentiate the meat into one of three groups: normal,pale-soft-exudative, and dark-firm-dry.Results. The T2 relaxation of MH- and MH+ muscles was significantlydifferent, but no significant changes were detected in the watercontent and corresponding T1 relaxation times.Conclusion. These data suggest that MH-susceptible swine can bedistinguished from normal swine using nuclear MR relaxometry. Theresults of relaxation measurements and the multiexponential analysis ofthe T2 curves suggest a shift between the different water compartmentsduring MH that might predict the increased water loss of muscle tissueafter death.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Academic Radiology. - 3 : 1 (1996), p. 26-30. -
További szerzők:	Berényi Ervin (1964-) (radiológus) Miseta Attila Horn Péter Kellermayer Miklós Wheatley, Denys N. Jolesz Ferenc A.
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001-es BibID:	BIBFORM016931
035-os BibID:	(WoS)A1997YA44800005 (Scopus)0040514629
Első szerző:	Horn Péter
Cím:	The use of spiral CAT for volumetric estimation of body composition of pigs / Horn, P., Kövér, Gy., Repa, I., Berényi, E., Kovách, G.
Dátum:	1997
ISSN:	0003-9438
Megjegyzések:	KA-HYB hybrid sows and male castrates of 100 kg liveweight were scannedfirst in vivo using spiral X-ray computer tomograph. After slaughterfrom the 30 pigs all internal organs were removed, the head was left onthe carcass. After storage for 24 hours at 4 degrees C whole carcasseswere scanned again in the same positions as in vivo. The average numberof volumetric scans taken per pig was 110, the total scanning time 120seconds per animal. After scanning the carcasses were dissected.Prediction equations were developed from in vivo and post mortemvolumetric image data and dissection results.Coefficients of determination (R-2) for carcass composition based onspiral CAT volumetric imaging in vivo and post mortem respectivelywere: ham muscle kg 0.92 and 0.94, ham with bones kg: 0.91 and 0.96,M.1.d. muscle kg: 0.96 and 0.93, M.1.d. with bone kg, 0.91 and 0.93total muscles (M.1.d. muscle + Psoas major + ham + bacon side) kg: 0.90and 0.95, total subcutaneous fat + skin on the whole carcass kg: 0.92and 0.95.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Archiv Für Tierzucht : Archives of Animal Breeding. - 40 : 5 (1997), p. 445-450. -
További szerzők:	Kövér Gy. Repa Imre (1950-) (radiológus) Berényi Ervin (1964-) (radiológus) Kovách Géza
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001-es BibID:	BIBFORM016929
035-os BibID:	(WoS)000074315300001 (Scopus)0031615912
Első szerző:	Kövér G.
Cím:	In vivo assessment of breast muscle, abdominal fat and total fat volume in meat-type chickens by magnetic resonance imaging / Kövér G., Romvári R., Horn P., Berényi E., Jensen J. F., Sorensen P.
Dátum:	1998
ISSN:	0236-6290
Megjegyzések:	Measurements were performed on commercial broiler chickens by magneticresonance imaging (MRI) tomography. A total of 72 chickens were scannedat the age of 6, 7, 8, 10, 16 and 20 weeks. MRI scans based on spinecho sequence were taken in the three orthogonal planes. The volume ofthe pectoral muscles increased from 259 cm(3) to 1035 cm(3) in malesand from 250 cm(3) to 875 cm(3) in females between 6 and 20 weeks ofage. Abdominal fat volume increased from 18.9 cm(3) to 153.2 cm(3) inmales and from 19.3 cm(3) to 267.0 cm(3) in females between 7 and 20weeks of age. Total body fat volume increased from 129 cm(3) to 557cm(3) in males and from 171 cm(3) to 1321 cm(3) in females between 6and 20 weeks of age. The correlation coefficients between the totalvolume of fat pixels and the amount of abdominal fat determined in thecoronal plane by MRI were 0.85 and 0.95 in the male and female sex,respectively. Changes found in the pectoral muscles (mm. pectorales) aswell as in total and abdominal fat volume were in close agreement withdissection data obtained at the slaughterhouse and with laboratory databased on the measurement of total body chemical composition in bothsexes. This MRI method can be a good complement to computed tomography(CT) scanning in the transversal plane.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény hazai lapban folyóiratcikk
Megjelenés:	Acta Veterinaria Hungaria. - 46 : 2 (1998), p. 135-144. -
További szerzők:	Romvári R. Horn Péter Berényi Ervin (1964-) (radiológus) Jensen J. F. Sorensen, P.
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