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ORIGINAL ARTICLE
Year : 2021  |  Volume : 29  |  Issue : 1  |  Page : 46-49

The impact of khat (Catha edulis) on hemodynamics of the common carotid arteries in regular khat chewers: A casecontrol study using doppler ultrasound


1 Department of Diagnostic Radiologic Technology, Faculty of Applied Medical Sciences, Taibah University, Medina, Saudi Arabia
2 Department of Diagnostic Radiology Sciences, Faculty of Applied Medical Sciences, Hail University, Hail, Saudi Arabia
3 Faculty of Medicine, University of Hargeisa, Hargeisa, Somaliland

Correspondence Address:
Dr. Moawia Gameraddin
Department of Diagnostic Radiologic Technology, College of Applied Medical Sciences, Taibah University, Medina
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JMU.JMU_22_20

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Background: To evaluate the effect of chewing khat on the hemodynamics of the common carotid arteries (CCAs) using Doppler ultrasound imaging. Methods: This is a cross-sectional case–control study. Fifty volunteers who were chronic regular khat chewers were selected and compared with healthy nonkhat chewers. They were examined using Doppler imaging with a 7–10 MHz linear transducer. The resistivity index (RI), pulsatility index (PI), peak systolic velocity (PSV), and end-diastolic velocity of the CCAs were determined according to the standard protocol of carotid Doppler ultrasound. Results: The RI and PI of the right and left CCAs were significantly higher in khat chewers compared to controls (P < 0.001). The PSV of the right and left CCAs was considerably higher in khat chewers compared to controls (P < 0.001 and 0.04, respectively). Conclusion: The Doppler values of blood flow velocity, resistivity, and pulsatility were significantly higher in chronic regular khat chewers compared to nonkhat chewers. Khat is a significant contributory factor for increasing the hemodynamics of the CCAs.


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