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001-es BibID:BIBFORM029269
Első szerző:Magyar Mária Tünde (neurológus)
Cím:Transcranial Doppler monitoring in hypertensive patients during physical exercise / Magyar, M. T., Valikovics, A., Bereczki, D., Ficzere, A., Czuriga, I., Csiba, L.
Dátum:2001
ISSN:1015-9770
Megjegyzések:To evaluate the diagnostic value of a combined method, i.e. ergometer cycling with continuous bilateral transcranial Doppler monitoring (TCD) to detect cerebral hemodynamic abnormalities in recently diagnosed hypertensive patients. METHODS: 30 neurologically symptom-free, nontreated patients with essential hypertension and 30 age- and sex-matched controls were studied. Carotid ultrasound, resting ECG and blood parameters were investigated. Cycling ergometry was performed according to the WHO protocol. Blood pressure, heart rate, end-tidal CO2 (etCO2) and bilateral middle cerebral artery (MCA) blood flow velocity (MV) were monitored. RESULTS: At rest, MV in the MCA did not differ significantly between controls and hypertensive subjects. MV continuously increased in controls until the end of loading whereas a plateau was reached at 4 min in hypertensive subjects. During 6 min of cycling, the time course of absolute values of MV in the MCA and that of the changes in the ratio of mean velocity/end-tidal CO2 (DeltaMV/DeltaetCO2) differed significantly between hypertensive subjects and controls (p = 0.03 and p = 0.02, respectively). CONCLUSION: Ergometer cycling combined with TCD revealed altered vasoreactivity, therefore this may be a sensitive method for the detection of early hemodynamic impairment in nontreated hypertensive subjects.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Cerebrovascular diseases. - 12 : 3 (2001), p. 186-191. -
További szerzők:Valikovics Attila Bereczki Dániel (1960-) (neurológus) Ficzere Andrea (1967-) (neurológus) Czuriga István (1948-2018) (kardiológus) Csiba László (1952-) (neurológus, pszichiáter)
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