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Articles 1 - 2 of 2
Full-Text Articles in Radiology
Changes In Ventricular Depolarisation Vectors During Exercise Caused By Regional Myocardial Ischaemia, Cameruddin Vellani, Satwat Hashmi, Sadia Mahmud, Mohammad Yusuf, Safia Awan, Khawar Kazmi
Changes In Ventricular Depolarisation Vectors During Exercise Caused By Regional Myocardial Ischaemia, Cameruddin Vellani, Satwat Hashmi, Sadia Mahmud, Mohammad Yusuf, Safia Awan, Khawar Kazmi
Section of Cardiology
Research at the Aga Khan University for several years has been directed to find a reliable, low-cost, portable, non-invasive method for identification of coronary artery disease, its location and extent. A new method has been devised to measure the magnitude and direction of cardiac electrical vectors in three perpendicular planes during physical exercise to identify reduction in myocardial excitability as the electrophysiological marker of hypoxia. This report shows that changes in electrical forces due to exercise-induced regional hypoxia serve as indicators of reversible myocardial ischaemia. Changes in the magnitude and direction of vectors at stages of the Bruce protocol were …
Efficacy Of Leukemia Inhibitory Factor As A Therapeutic For Permanent Large Vessel Stroke Differs Among Aged Male And Female Rats, Stephanie M. Davis, Lisa A. Collier, Sarah J. Goodwin, Douglas E. Lukins, David K. Powell, Keith R. Pennypacker
Efficacy Of Leukemia Inhibitory Factor As A Therapeutic For Permanent Large Vessel Stroke Differs Among Aged Male And Female Rats, Stephanie M. Davis, Lisa A. Collier, Sarah J. Goodwin, Douglas E. Lukins, David K. Powell, Keith R. Pennypacker
Neurology Faculty Publications
Preclinical studies using rodent models of stroke have had difficulty in translating their results to human patients. One possible factor behind this inability is the lack of studies utilizing aged rodents of both sexes. Previously, this lab showed that leukemia inhibitory factor (LIF) promoted recovery after stroke through antioxidant enzyme upregulation. This study examined whether LIF promotes neuroprotection in aged rats of both sexes. LIF did not reduce tissue damage in aged animals, but LIF-treated female rats showed partial motor skill recovery. The LIF receptor (LIFR) showed membrane localization in young male and aged rats of both sexes after stroke. …