MiscellaneousInfluence of sympathetic stimulation and parasympathetic withdrawal on Doppler echocardiographic left ventricular diastolic filling velocities in young normal subjects☆
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Cited by (40)
Epinephrine and left atrial and left ventricular diastolic function decrease in normal subjects
2016, International Journal of CardiologyCitation Excerpt :It is difficult to compare our results with those of Niwa et al. because, in our research, the sample size was larger and epinephrine was administered intravenously and was not mixed with any other drugs. Johannessen et al. studied the effect of sympathetic stimulation and parasympathetic withdrawal in ten normal subjects [14]. They administered an epinephrine intravenous infusion at a maximum of 50 ng/kg/min and obtained a significant increase in heart rate up to 73 ± 7 beats/min at which point they reported a decrease in diastolic filling period, an increase in both E and A wave velocities, and an increase of the E/A ratio [14].
Influence of Parasympathetic Modulation in Doppler Mitral Inflow Velocity in Individuals without Heart Disease
2010, Journal of the American Society of EchocardiographyThe Effects of Aging and Physical Activity on Doppler Measures of Diastolic Function
2007, American Journal of CardiologyCitation Excerpt :Based on these data, E/A ratio appears to be influenced by both ventricular compliance and relaxation. In addition, E/A ratio is affected by changes in heart rate, specifically decreasing during periods of tachycardia.16 The trained seniors had slower heart rates at rest than sedentary subjects, and this finding may have partially contributed to the higher baseline E/A ratios in the fit group.
Cardiovascular effects of epinephrine under sedation with nitrous oxide, propofol, or midazolam
2006, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and EndodontologyCitation Excerpt :Two intravenous catheters were inserted into a forearm vein of each arm, one for the administration of epinephrine and the other for blood sampling. We used the epinephrine infusion method14-16 instead of injecting epinephrine-containing local anesthesia into the gingiva. The epinephrine solutions were prepared by diluting 1 mg of epinephrine (Bosmin, Daiichi-Seiyaku, Tokyo, Japan) in 0.9% saline solution.
Effects of aging on cardiovascular responses to parasympathetic withdrawal
2003, Journal of the American College of CardiologyCitation Excerpt :Tachycardia induced by parasympathetic withdrawal shortens the cardiac cycle largely at the expense of diastole. In a prior study (37), similar atropine doses shortened the RR interval by 378 ms, of which 351 ms was due to shortening in diastolic filling time. The marked shortening of diastole with parasympathetic withdrawal is the probable cause of the drop in EDVI that occurred in both age groups.
Cardiovascular responses to epinephrine-containing local anesthetics for dental use: A comparison of hemodynamic responses to infiltration anesthesia and ergometer-stress testing
2000, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
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This study was supported in part by the Medical Research Service of the Veterans Administration and by Grants FOST 3975 and AG 06581 from the National Institutes of Health, Bethesda, Maryland.