Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego · 2005
[Mean arterial blood flow depends on the intensity of thyrotoxicosis in patients with Graves' disease].
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Czarkowski Marek, Hilgertner Leszek, Powałowski Tadeusz, Radomski Dariusz
Аннотация
UNLABELLED: Thyrotoxicosis leads to profound changes in the cardiovascular system.
AIM: Using a new non-invasive ultrasonic system VED elaborated by Powałowski et al., we aimed to assess whether arterial blood flow is related to the intensity of thyrotoxicosis in patients with Graves' disease.
MATERIAL AND METHODS: We compared two groups: hyperthyroid (Graves' group n=25, mean age=31+/-8 years) and euthyroid (control group n=23, mean age 30+/-7 years). Mean arterial blood flow (Q) was determined in the common carotid artery on the basis of ultrasound continuous wave Doppler and echo examinations.
RESULTS: Q was significantly higher in the Graves'group: 11.52+/-4.36 vs 8.33+/-2.02 10(-6) m3/s, p<0.00003. There was positive correlation between Q and blood concentrations of thyroid hormone in the Graves' group (rS=0.5372, p<0.00001 for Q and fT3; rS=0.4087, p<0.005 for Q and fT4). No correlation between Q and age nor Q and lipid parameters (total cholesterol, HDL-cholesterol nor LDL-cholesterol) were found in the Graves' group.
CONCLUSION: In thyrotoxic patients with Graves' disease there is not only a qualitative but also a quantitative relationship between thyroid hormone and blood flow in the common carotid artery.
AIM: Using a new non-invasive ultrasonic system VED elaborated by Powałowski et al., we aimed to assess whether arterial blood flow is related to the intensity of thyrotoxicosis in patients with Graves' disease.
MATERIAL AND METHODS: We compared two groups: hyperthyroid (Graves' group n=25, mean age=31+/-8 years) and euthyroid (control group n=23, mean age 30+/-7 years). Mean arterial blood flow (Q) was determined in the common carotid artery on the basis of ultrasound continuous wave Doppler and echo examinations.
RESULTS: Q was significantly higher in the Graves'group: 11.52+/-4.36 vs 8.33+/-2.02 10(-6) m3/s, p<0.00003. There was positive correlation between Q and blood concentrations of thyroid hormone in the Graves' group (rS=0.5372, p<0.00001 for Q and fT3; rS=0.4087, p<0.005 for Q and fT4). No correlation between Q and age nor Q and lipid parameters (total cholesterol, HDL-cholesterol nor LDL-cholesterol) were found in the Graves' group.
CONCLUSION: In thyrotoxic patients with Graves' disease there is not only a qualitative but also a quantitative relationship between thyroid hormone and blood flow in the common carotid artery.