Exemplos de uso de Chronotropic response em Inglês e suas traduções para o Português
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An inadequate cardiac chronotropic response to physical activity strongly suggests vagal dysfunction.
Further studies are necessary to clarify the altered segments of this circuit that impair the chronotropic response in patients with CSH.
The same can be said of the chronotropic response to exercise and the speed of heart rate recovery.
With EDCP, adequate diagnostic sensitivity is achieved without losing information from the exercise test about functional capacity and chronotropic response.
The chronotropic response to exercise was reduced during the first 6 months and became normal at 12 months.
The decrease in cardiac performance has as factors left ventricular hypertrophy,diastolic dysfunction, and reduced chronotropic response.
The physiopathology of the chronotropic response is considered to be complex, multifactorial and not completely understood.
Although its original configuration does not contemplate the HR response, its outlining seems to be suitable for clinically testing the chronotropic responses.
Thus, as we had expected, the chronotropic response was more important than the inotropic response in this population.
It is known that the use of systemic betablockers can interfere with the test result by decreasing the chronotropic response and reducing the diagnostic accuracy of the method.
The results of chronotropic response tests for each group in the postoperative period can be seen in Table 2 and Figure 1.
Studies with pharmacological stress have reported a reduction in the inotropic and chronotropic response to dobutamine infusion, including biphasic contractile response. .
HRR1 reflects chronotropic response and appears to be attenuated in HF patients; however there are divergences regarding?B interference.
However, the hypertensive patients under drug therapy of betablockers have reduced cardiac output by decreasing the inotropic and chronotropic response at sympathetic stimulation.
The heart rate and chronotropic response to exercise may be reduced or impaired after atrial fibrillation surgical correction.
Cardiopulmonary exercise test CPET may be used in HF to detect ischemia andassess symptoms, chronotropic response, heart rate HR during recovery HRR, and functional capacity FC.
We analyzed the chronotropic response with the chronotropic response index CRI: CRI% peak HR- rest HR x 100/ 220- age- rest HR.
Our group evaluated patients with HREF and observed that those witha low WR rate, even while on beta-blocker, presented a better FC and chronotropic response when compared with patients with a high WR rate.
Bradycardia showed only temporary chronotropic response to bolus infusion of atropine 0.5 mg, raising the heart rate to 85 bpm.
Turley, however, in his investigation to analyze the metaboreflex influence on chronotropism during isometric exercise,observed that the muscular metaboreflex influence on the chronotropic response is similar in children and adults.
Considering that the chronotropic response was similar in both tests, this finding becomes relevant, since the 6MWT' is a very simple and accessible evaluation method.
Ergometry was requested in consultations 2, 6, 12, 18 and 24 months after surgery,according to previous protocol and in order to examine chronotropic response in the early, intermediate, and late postoperative. It was performed only in patients who were in sinus rhythm.
Specifically concerning DM, the chronotropic response to physical exercise has been associated to the disease diagnosis as well as mortality in patients who have already been diagnosed.
Interestingly, individuals who present higher HR at rest or higher chronotropic response to exercise have higher chances to develop diseases such as hypertension or diabetes.
Accordingly, studies comparing the chronotropic response in adult individuals for the same work demand found a greater heart rate for exercises performed by small muscle groups compared to those using large muscle groups.
Together with the evaluation of exercise-induced symptoms, ECG changes,functional capacity and chronotropic response, we could say that, paraphrasing Hendel and Frost, with our combined protocol, we work off-label, on target and with diagnostic accuracy.
In this series, we aimed to assess chronotropic response by comparing the patients' evolutions after 3 different surgical techniques: pulmonary vein isolation, the Maze procedure a modified version of the Cox-Maze procedure, and, as the control group, the simple correction of mitral valve lesions without intervention in the atria.
Within this context, Kobayashi et al. demonstrated similar chronotropic responses between healthy male smokers and non smokers in all submaximal or maximal exercise levels.
Heart rate was determined by ECG and the chronotropic response was calculated as the achieved percentage of heart rate predicted for age, according to the Astrand formula 220- age at peak exercise.
Eleven patients presented inconclusive tests due to the lack of isolated chronotropic response n=1 and/or associated to limiting side effects such as hypertension and headache n=8 or ventricular arrhythmia n=2 Table 2.