Cardiology

Doppler ultrasonographic evaluation of celiac and mesenteric arteries in subjects with sickle cell disease.


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Doppler ultrasonographic evaluation of celiac and mesenteric arteries in subjects with sickle cell disease.

J Clin Ultrasound. 2019 May 07;:

Authors: Ayoola OO, Bolarinwa RA, Onakpoya UU, Onwuka CC, Adedeji TA, Afolabi BI, Onigbinde SO, Arogundade FA

Abstract
Vasculopathy, as occurring in sickle cell disease (SCD), can affect celiac and mesenteric arteries and result in stenosis, with elevated peak systolic velocity (PSV) on Doppler ultrasonography. In six subjects with confirmed SCD in steady state, routine Doppler ultrasonographic examination discovered features of celiac artery (CA) or superior mesenteric artery (SMA) stenosis with CA PSV >200 cm/s (median = 222.8 cm/s; range = 201.5-427.1 cm/s) and/or SMA PSV >275 cm/s (median 183.2 cm/s; range = 87.8-289.3 cm/s). Among the six subjects, five had elevated soluble P-selectin values (median 72.55 ng/mL), while all six (100%) had elevated cystatin C levels (median 4.15 mg/L). Peripheral oxygen saturation was suboptimal in five subjects. All subjects had low hemoglobin concentration levels (median 8.5 g/dL) while four had elevated white blood cell count. Although vaso-occlusive crises result from microvessel occlusion, these findings at the macrovascular level suggest that SCD patients may also be vulnerable to mesenteric ischemic injury, especially in the setting of anemic heart failure from hemolysis.

PMID: 31063231 [PubMed – as supplied by publisher]

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