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Minerva Pediatrica 2015 August;67(4):299-305


lingua: Inglese

Doppler ultrasonographic evaluation of the carotid and vertebral arteries in children with Crimean-Congo hemorrhagic fever

Salk I. 1, Kaya A. 2, Cetin G. 1, Egilmez H. 1, Haydar Atalar M. 1, Cetin A. 3

1 Department of Radiology, Cumhuriyet University Faculty of Medicine, Sivas, Turkey; 2 Department of Pediatrics, Cumhuriyet University Faculty of Medicine, Sivas, Turkey; 3 Department of Obstetrics and Gynecology, Cumhuriyet University Faculty of Medicine, Sivas, Turkey


AIM: In children with Crimean-Congo hemorrhagic fever (CCHF), the aim of present study was to determine the cerebral hemodynamic changes assessed with Doppler ultrasonography with measurements of lumen diameter (LD), peak systolic velocity (PSV), end-diastolic velocity (EDV), resistive index (RI), pulsatility index (PI), and total cerebral blood flow volume (tCBFV) of common carotid artery (CCA), internal carotid artery (ICA, and vertebral artery (VA).
METHODS: This case-control study examined children with clinically defined CCHF as cases (N.=24) and healthy children as controls (N.=17). The CCHF and healthy children underwent ultrasonography of the CCA, ICA and VA for the measurements of flow velocity and cerebral blood flow volume. Doppler ultrasonography were performed in the CCHF children if vital signs were stable and fever lower than 37.5 °C.
RESULTS: There was no significant difference between the CCHF and healthy children in the lumen diameter of study arteries (P>0.05). PSV and EDV values were significantly higher in the CCHF children compared to the controls (P<0.05). Overall, the CCHF did not cause considerable change in RI and PI values (P>0.05). tCBFV values of CCHF children was found higher compared to healthy controls (P<0.05).
CONCLUSION: Overall, in children, CCHF causes an increase in the cerebral blood flow as determined by Doppler ultrasonography with flow velocity and cerebral blood flow volume measurements; however, this increase need to be accepted as mild to moderate degree. Several pathophysiological derangements may be contributory to the increased cerebral blood flow in children with CCHF.

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