Sondra J Mohrman

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We previously observed that muscle blood flow (MBF) is primarily directed to the active oxidative muscle fibers within muscles of rats during treadmill exercise. Since muscle fiber recruitment patterns and the relative level of activities of muscles are distinctly different in swimming and treadmill exercise, we hypothesized that the distribution of MBF(More)
This study tested the hypotheses that (1) acute cerebral hypoxia-ischemia changes laryngeal adductor, laryngeal abductor, and diaphragmatic activities, resulting in central apnea with laryngeal closure; and (2) these laryngeal muscle activities act to maintain absolute lung volume. The respiratory pattern was determined in three asphyxiated, awake preterm(More)
The purpose of this study was to determine whether endogenous opioids are involved in the control of skeletal muscle blood flow during locomotory exercise in rats. The radiolabeled miscrosphere technique was used to measure total and regional muscle blood flow. We first determined whether methionine enkephalin (1,000 I.V.) would produce(More)
The purpose of this study was to determine the optimal bolus/infusion ratio of urokinase (UK) in a dog model of experimental thrombosis. Radiolabelled clots from dog whole blood were inserted into an extracorporeal jugular loop in anesthetized dogs. Clot size (counts/min) was continuously recorded. UK was administered i.v. as a 1 min bolus (100%/0%), 30 min(More)
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