Dataset Information

Subclavian Artery-Carotid Artery Bypass for Subclavian Artery or Common Carotid Artery Severe Stenosis or Occlusion.

ABSTRACT: Various surgical treatments are available for occlusive subclavian and common carotid artery diseases. Nevertheless, to date, when cerebral endovascular treatment is utilized, revascularization via direct surgery may be required. This study reported five symptomatic cases of revascularization for CCA and SCA occlusive and stenotic lesions that were expected to be challenging to treat with endovascular treatment. We performed subclavian artery-common carotid artery or internal carotid artery bypass using artificial blood vessels or saphenous vein grafts in five patients with subclavian steal syndrome, symptomatic common carotid artery occlusion, and severe proximal common carotid artery stenosis. In this study, good bypass patency was achieved in all five cases. Although there were no intraoperative complications, one patient had a postoperative lymphatic leak. Moreover, there was no recurrence of stroke during postoperative follow-up for an average of 2 years. Conclusively, subclavian artery-common carotid artery bypass can be an effective surgical treatment for common carotid artery occlusion, proximal common carotid artery stenosis, and subclavian artery occlusion.

SUBMITTER: Yamaguchi K

PROVIDER: S-EPMC10325775 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature

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Subclavian Artery-Carotid Artery Bypass for Subclavian Artery or Common Carotid Artery Severe Stenosis or Occlusion.

Yamaguchi Koji K Funatsu Takayuki T Moteki Yosuke Y Nonaka Taku T Niwa Akihiro A Imanaka Kosuke K Kim Kilsoo K Ishikawa Tatsuya T Mochizuki Tatsuki T Okada Yoshikazu Y Kawamata Takakazu T

Neurologia medico-chirurgica 20230331 6

Various surgical treatments are available for occlusive subclavian and common carotid artery diseases. Nevertheless, to date, when cerebral endovascular treatment is utilized, revascularization via direct surgery may be required. This study reported five symptomatic cases of revascularization for CCA and SCA occlusive and stenotic lesions that were expected to be challenging to treat with endovascular treatment. We performed subclavian artery-common carotid artery or internal carotid artery bypa ...[more]

PMID: 37005246

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Project description:BackgroundWhile internal mammary artery (IMA) has become a major conduit of coronary artery bypass graft (CABG) surgery, subclavian artery stenosis (SAS) could cause subsequent coronary events due to ischemia of myocardial territory supplied by IMA. Clinical characteristics and cardiovascular outcomes of SAS-related IMA failure (SAS-IMAF) remain to be fully determined yet. Therefore, the current study was designed to characterize SAS-IMAF in patients receiving CABG with IMA.MethodsThis is a retrospective observational study which analyzed 380 patients who presented acute coronary syndrome/stable ischemic heart disease (ACS/SIHD) after CABG using IMA (2005.01.01-2020.10.31). SAS-IMAF was defined as the presence of myocardial ischemia/necrosis caused by SAS. Clinical characteristics and cardiovascular outcomes [major adverse cardiovascular events (MACE) = cardiac death + non-fatal myocardial infarction + non-fatal ischemic stroke], were compared in subjects with and without SAS-IMAF. Multivariate Cox proportional hazards model and propensity score-matched analyses were used to compare cardiovascular outcomes between those with and without SAS-IMAF.ResultsSAS-IMAF was identified in 5.5% (21/380) of study subjects. Patients with SAS-IMAF are more likely had a history of hemodialysis (P<0.001), stroke (P<0.001) and lower extremity artery disease (P<0.001). Furthermore, SAS-IMAF patients more frequently presented ACS (P=0.002) and required mechanical support (P=0.02). Despite SAS as a culprit lesion causing ACS/SIHD, percutaneous coronary intervention was firstly selected in 47.6% (10/21) of them. Consequently, 33.3% (7/21) of SAS-IMAF patients required additional revascularization procedure (vs. 0.3%, P<0.001). During 4.9-year observational period, SAS-IMAF exhibited a 5.82-fold [95% confidence interval (CI): 2.31-14.65, P<0.001] increased risk of MACE. Multivariate Cox proportional hazards model [hazard ratio (HR) 4.04, 95% CI: 1.44-11.38, P=0.008] and propensity score-matched analyses (HR 2.67, 95% CI: 1.06-6.73, P=0.038) consistently demonstrated the association of SAS-IMAF with MACE.ConclusionsSAS-IMAF reflects a high-risk phenotype of polyvascular disease, underscoring meticulous evaluation of subclavian artery after CABG using IMA.

Dataset Information

Subclavian Artery-Carotid Artery Bypass for Subclavian Artery or Common Carotid Artery Severe Stenosis or Occlusion.

Publications

Subclavian Artery-Carotid Artery Bypass for Subclavian Artery or Common Carotid Artery Severe Stenosis or Occlusion.

Similar Datasets

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