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A gating and triggering system dedicated to nuclear magnetic resonance studies of isolated perfused heart.

作者信息

Goudemant J F, Lamalle L, Mottet I, Demeure R

机构信息

Département de Radiologie et d'Imagerie Médicale, Catholic University of Louvain, Louvain-la-Neuve, Belgium.

出版信息

MAGMA. 1995 Jul;3(2):95-8. doi: 10.1007/BF01709852.

DOI:10.1007/BF01709852
PMID:7496891
Abstract

This work reports a low-cost and versatile electronic device designed to trigger NMR acquisitions from the cardiac cycle of an isolated perfused heart, or to perform electrical stimulation of the heart. The triggering is synchronised with the pressure curve of the perfused heart. The cardiac pacing is achieved from pulses of the NMR system, or by an internal pulse generator, in order to be operated separately from the NMR instrument.

摘要

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本文引用的文献

1
Phosphorus nuclear magnetic resonance spectroscopy of cardiac and skeletal muscles.心脏和骨骼肌的磷核磁共振波谱分析
Am J Physiol. 1982 May;242(5):H729-44. doi: 10.1152/ajpheart.1982.242.5.H729.
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Spatially-localized NMR spectroscopy employing an inhomogeneous surface-spoiling magnetic field gradient. 1. Phase coherence spoiling theory and gradient coil design.采用非均匀表面扰相磁场梯度的空间定位核磁共振波谱学。1. 相位相干扰相理论与梯度线圈设计。
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Amiodarone pretreatment effects on ischemic isovolumic rat hearts: a P-31 nuclear magnetic resonance study of intracellular pH and high-energy phosphates contents evolutions.
胺碘酮预处理对缺血性等容大鼠心脏的影响:一项关于细胞内pH值和高能磷酸盐含量变化的磷-31核磁共振研究
J Cardiovasc Pharmacol. 1990 Mar;15(3):377-85.
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Absolute quantification of 31P liver metabolites in rat using an external reference and a surface spoiling magnetic field gradient.
NMR Biomed. 1992 Nov-Dec;5(6):341-6. doi: 10.1002/nbm.1940050604.
5
A gating 31P NMR method triggered by pulses for cardiac pacing.一种由心脏起搏脉冲触发的门控31P核磁共振方法。
NMR Biomed. 1992 Nov-Dec;5(6):329-34. doi: 10.1002/nbm.1940050602.
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Improved cardiac gating and ventilation timing in animal experiments.
Magn Reson Med. 1992 Oct;27(2):329-37. doi: 10.1002/mrm.1910270212.