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283,728 results
  • Porcine heart interatrial septum anatomy. [Journal Article]
  • AAAnn Anat 2018 Feb 16
  • Hołda MK, Koziej M, … Klimek-Piotrowska W
  • CONCLUSIONS: There are significant differences between human and porcine interatrial septum morphology that should be taken into account during experimental studies. The absence of the left SP in swine results in the inability to use porcine heart as an experimental model for left-sided SP management.
  • Alcohol and CV Health: Jekyll and Hyde J-Curves. [Review]
  • PCProg Cardiovasc Dis 2018 Feb 16
  • O'Keefe EL, Di Nicolantonio JJ, … Lavie CJ
  • A routine of light or moderate alcohol consumption (≤1 drink/day for women and 1 to 2 drinks/day for men) were associated with a lower risk for all-cause mortality, coronary artery disease (CAD), typ...
  • Progressive recruitment of contralesional cortico-reticulospinal pathways drives motor impairment post stroke. [Journal Article]
  • JPJ Physiol 2018 Feb 19
  • McPherson JG, Chen A, … Dewald JPA
  • CONCLUSIONS: Activation of the shoulder abductor muscles in the arm opposite a unilateral brain injury causes involuntary increases in elbow, wrist and finger flexion in the same arm, a phenomenon referred to as the flexion synergy. It has been proposed that flexion synergy expression is related to reduced output from ipsilesional motor cortex and corticospinal pathways. In this human subjects study, we provide evidence that the magnitude of flexion synergy expression is instead related to a progressive, task-dependent recruitment of contralesional cortex. We also provide evidence that recruitment of contralesional cortex may induce excessive activation of ipsilateral reticulospinal descending motor pathways that cannot produce discrete movements, leading to flexion synergy expression. We interpret these findings as an adaptive strategy that preserves low-level motor control at the cost of fine motor control.
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