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eISSN: 1643-3750

A Systematic Review of Total Thoracic Endovascular Aortic Repair in Treatment of Kommerell Diverticulum Combined with Right-Sided Aortic Arch

Weijian Fan, Jinyun Tan, Weihao Shi, Jianjie Rong, Bo Yu

Department of Vascular Surgery, Suzhou Traditional Chinese medicine (TCM) Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China (mainland)

Med Sci Monit 2021; 27:e930031

DOI: 10.12659/MSM.930031

Available online: 2021-01-26

Published: 2021-03-23


#930031

ABSTRACT: Kommerell diverticulum (KD) combined with right-sided aortic arch (RAA) and aberrant left subclavian artery (ALSA) are rare and limited to a few case reports and small series. Thoracic endovascular aortic repair (TEVAR), which is mini-invasive, is widely utilized in complicated aortic disease. We performed a systematic review of the literature to identify all patients who underwent endovascular repair for KD in terms of technical feasibility and procedural outcomes.
Published and accepted studies only in English as well as article reference lists were searched and extracted to assess case series reporting solely TEVAR in KD patients.
There were 28 patients with KD/RAA identified from 19 studies. All of them underwent endovascular technique for KD exclusion and the median age was 69 years (range 39-83 years). Hypertension (n=17) was the most common comorbidity in this cohort, followed by diabetes mellitus (n=3), hyperlipidemia (n=3), and smoking (n=3). The presenting symptoms were dysphagia (n=8, 29%), intermittent back pain (n=4, 14%), and acute aortic dissection (n=6, 21%), while asymptomatic was found in 9 patients (n=9, 32%). A technical success rate of 100% was reported associated with various managements of ALSA, proximal embolization (n=19, 68%), in-situ revascularization (n=3, 11%), and left carotid-subclavian bypass (n=3, 11%). All patients survived without severe complications and were discharged home within less than 14 days. The mean follow-up time was 9.3 months, patency was found in all patients, thrombosis and distinct shrinkage of KD aneurysm as indicated by CT-scans were noted (n=20, 71%), and type II endoleak was found in only 4 patients (n=4, 14%).
TEVAR appears to be safe and offers favorable results, but it still needs substantial evidence to support routine use in KD. TEVAR is an alternative to open repair in selected cases, but it needs further investigation in a large cohort.

Keywords: Aorta, Thoracic, Aortic Aneurysm, Thoracic, Aortic Arch Syndromes, Embolization, Therapeutic, Endoleak, endovascular procedures



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