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Sonographic assessment of the carotid intima-media thickness on B-mode ultrasonography in a Nigerian population
BACKGROUND: Hypertension is a common health problem and a major risk factor of cardiovascular disease. The most important mechanism by which hypertension acts as a cardiovascular risk factor is the induction of arteriosclerosis. The early phase of atherosclerosis before its clinical manifestation ca...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Medknow Publications & Media Pvt Ltd
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4698853/ https://www.ncbi.nlm.nih.gov/pubmed/26778889 http://dx.doi.org/10.4103/0300-1652.170384 |
Sumario: | BACKGROUND: Hypertension is a common health problem and a major risk factor of cardiovascular disease. The most important mechanism by which hypertension acts as a cardiovascular risk factor is the induction of arteriosclerosis. The early phase of atherosclerosis before its clinical manifestation can be studied using B-mode ultrasonography. AIMS AND OBJECTIVES: This study evaluated the intima-media thickness of the common carotid artery (CCA), carotid intima-media thickness (CIMT) of subjects with essential hypertension as a way of detecting these early changes of atherosclerosis. SUBJECTS AND METHODS: The study was performed on 200 subjects with newly diagnosed hypertension and 100 apparently normal controls that were consecutively recruited by a cardiologist. An ultrasound examination of both CCA were done to obtain the CIMT. Data were analyzed using the SPSS data analysis software. RESULTS: The CIMT of males were greater in the hypertensive group compared to the controls (0.10 ± 0.02 cm vs. 0.077 ± 0.02 cm [P < 0.0001] and 0.10 ± 0.02 cm vs. 0.078 ± 0.02 cm [P < 0.0001] for the right and left sides, respectively). The female group showed a similar pattern of results (0.09 ± 0.02 cm vs. 0.072 ± 0.02 cm [P < 0.0001] and 0.1 ± 0.02 cm vs. 0.076 ± 0.02 cm [P < 0.0001] for the right and left sides respectively). CONCLUSION: A statistically significant increase in CIMT was noted in both male and female hypertensives in comparison to a normal population. |
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