ArticleWorld journal of clinical cases2023
Ultrasound-guided carotid angioplasty and stenting in a patient with iodinated contrast allergy: A case report.
Article in World journal of clinical cases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundIschemic stroke is an entity with high incidence, morbidity, and mortality rates. Carotid artery stenosis is an important and independent risk factor for ischemic stroke. The three current approaches for treating carotid artery stenosis are drug treatment, carotid endarterectomy (CEA), carotid angioplasty and stenting (CAS). The approach is chosen based on the degree of stenosis. CEA or CAS could have been chosen for the current patient, who had severe carotid stenosis and an iodinated contrast allergy. After thoroughly communicating with the patient, the patient chose CAS for treatment. Therefore, we performed ultrasound-guided CAS to avoid the use of iodinated contrast. CASE SUMMARY: The main symptoms of the patient were numbness and weakness of the left limb. Computed tomography angiography of the head and neck at another hospital indicated multiple sites of stenosis in the arteries of the head and neck. The patient requested CAS for treatment but was allergic to iodinated contrast media. Thus, routine digital subtraction angiography (DSA) with iodinated contrast could not be used for the procedure. The diagnosis of this patient was as follows: (1) Right parietal lobe cerebral infarction; (2) multiple sites of stenosis in the arteries of the head and neck (severe stenosis of the right internal carotid artery, severe stenosis of the right subclavian artery); (3) right subclavian steal syndrome; and (4) hypertension (stage 3, high risk). The interventions included routine treatment for cerebral infarction, oral administration of clopidogrel (75 mg qd) and aspirin (100 mg qd), ultrasound-guided CAS, and postoperative follow-up. Postoperative color Doppler ultrasound and cerebrovascular magnetic resonance angiography of the carotid artery showed good vascular recovery, and the postoperative follow-up indicated a good prognosis.
conclusionThis case study suggests that ultrasound-guided endovascular treatment is a potential option for patients with contraindications to the iodinated contrast agents used in DSA-guided surgery, although excellent surgical operating skills are needed.
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