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Ketamine (0.3 mg/kg) administered intravenously to 12 halothane anesthetized horses caused a significant respiratory depression during ten minutes when respiration was spontaneous. Significant hemodynamic effects were not observed except for cardiac index. Clinical application was also discussed.
The cardiovascular and respiratory parameters of eight laboratory beagles were measured before and after the simultaneous injection of medetomidine (40 micrograms/kg bw) and ketamine (5 mg/bg bw). This combination produced a significant alteration in cardiovascular function. The heart rate, the stroke volume and cardiac output decreased while the systemic… (More)
This preliminary study demonstrated the existence of a free radical generation during an experimental postischemic muscular reperfusion in a halothane anesthetized horse. The authors used alpha-phényl-N-tert-butylnitrone as a spin trap agent and the electronic paramagnetic resonance method to observe in vivo a free radical generation.
Measurements of muscular microcirculation in horses anaesthetised with halothane were performed by laser Doppler flowmetry. Variations of microcirculation in the compressed and uncompressed triceps brachii were measured when horses were positioned in dorsal recumbency after a prolonged period in lateral recumbency. A significant post ischaemic hyperaemia… (More)
Impaired left ventricular (LV) filling is known to be a major determinant of non-obstructive hypertrophic cardiomyopathy (HCM). Seventeen patients with non-obstructive HCM (mean age 71 years) were investigated by Doppler echocardiography, before and after oral treatment with verapamil (mean daily doses: 335 mg). Diagnosis was based on clinical and… (More)
Muscular microcirculation was studied in seven halothane anaesthetised horses in lateral recumbency using a laser Doppler flowmeter. A significant difference between the dependent and the uppermost triceps brachii was recorded. In the dependent muscles, microflow at first decreased and then increased up to the starting value. In the uppermost muscles, a… (More)
By using alpha-phenyl N-tert-butyl nitrone (PBN) as spin trap molecule and the electron paramagnetic resonance (EPR) technique, we obtained the first direct evidence of in vivo intervention of free radicals during an ischemia (50 minutes) reperfusion phenomenon in kidney of an intact rabbit. An EPR signal (triplet of doublets) characterized by coupling… (More)
PURPOSE/OBJECTIVE To determine the prognostic factors for predicting outcome of patients with adenocarcinoma of the fallopian tube and to evaluate the impact of treatment modalities in managing this uncommon disease. MATERIALS AND METHODS A retrospective analysis of the tumor registries from 6 major medical centers from January 1, 1960 up to March 31,… (More)
The authors report 2 clinical cases of ventricular aneurysm associated with a false tendon attached to the neck of the aneurysm. The first patient had no signs of false tendon before myocardial infarction. When the aneurysm developed, a false tendon was observed at its neck; a second false tendon attached to the first was also seen and appeared to have… (More)