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Subclavian and vertebral arterial interventions.

ABSTRACT: Endovascular treatment of supra-aortic atherosclerotic arterial stenoses and occlusions using percutaneous transluminal angioplasty (PTA) and stent placement is an accepted first-choice procedure. Technical success, primary success, and midterm patency after PTA and stent placement for the treatment of stenosed or obstructed brachiocephalic arteries are promising and complication rates are low. Permanent miniaturization and device improvement makes treatment of atherosclerotic obstructive disease by endovascular means in brachial and cephalic arteries a safe procedure showing promising midterm patency rates.

SUBMITTER: Muller-Hulsbeck S

PROVIDER: S-EPMC3036408 | biostudies-other | 2007 Jun

REPOSITORIES: biostudies-other

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Simultaneous vertebral and subclavian artery stenting.

Project description:Vertebrobasilar territory ischemia leads to disabling neurological symptoms and may be caused both by vertebral artery (VA) and subclavian artery (SA) stenosis. The coexisting symptomatic ipsilateral VA and proximal SA stenosis should be considered as a true bifurcation lesion for percutaneous treatment.To evaluate the safety and efficacy of simultaneous angioplasty of vertebral and subclavian stenosis.Fifteen patients (age 69.5 years, 46.7% men, all symptomatic from posterior circulation (history of stroke, transient ischemic attack, chronic ischemia symptoms)) were scheduled for simultaneous SA/VA angioplasty. Clinical and duplex ultrasound follow-up was conducted 1, 6 and 12 months after the procedure.The technical success rate was 100%. Single balloon-mounted stent angioplasty was performed for all VAs and for 13 (86.7%) SAs. In 4 cases a simultaneous radial and femoral approach was required. The mean North American Symptomatic Carotid Endarterectomy Trial (NASCET) VA stenosis was reduced from 88.7 ±9.7% to 5.7 ±6.8% and SA stenosis from 80 ±12.2% to 11 ±12.3% (p < 0.01). No periprocedural death, stroke, myocardial infarction or transient ischemic attack occurred. During follow-up (range: 6-107 months) in 10 of 15 (66.7%) patients relief of chronic ischemic symptoms was observed. No stroke/TIA occurred. One cardiovascular and 2 non-cardiovascular deaths were recorded. There was 1 symptomatic vertebral and 1 subclavian in-stent restenosis, and 2 cases of asymptomatic VA in-stent occlusion occurred.Simultaneous vertebral and subclavian artery stenting is safe and effective. The restenosis rate remains at an acceptable level and it may be treated successfully with drug-eluting balloon angioplasty. In selected patients a dual radial and femoral approach may facilitate the procedure.

| S-EPMC5545664 | biostudies-other

Effects of the Vertebral Artery Ostium/Subclavian Artery Angle on In-Stent Restenosis after Vertebral Artery Ostium Stenting.

Project description:MethodsBetween January 2016 and October 2018, sixty-four consecutive patients who underwent a total of 66 stenting procedures were screened for symptomatic and asymptomatic atherosclerotic VAOS. Of these patients, 57 had complete follow-up data. The baseline patient demographics and morphological features of the VAO were recorded. Potential factors influencing ISR, including conventional cerebrovascular disease risk factors, were assessed, together with outcome events including recurrent transient ischemic attack (TIA), stroke, and vascular-related mortality.ResultsThe average follow-up period was 13.2 ± 4.6 months. Technical success was achieved in all interventions. The degree of stenosis was reduced from 77.2 ± 6.1% to 13.7 ± 8.9% after the procedure. ISR was detected in eight treated vessels (14.0%) and occlusion in two (5.3%) arteries. Of the 57 patients, one had an ischemic stroke and 5 had TIAs. The angle of the VAO at the subclavian artery was associated with the risk of restenosis (preoperative, P = 0.04; postoperative, P = 0.02).ConclusionsStenting is a feasible and effective treatment for VAOS. The angle of the VAO at the subclavian artery may contribute to the development of ISR.

| S-EPMC8101481 | biostudies-literature

A Broken Railway: A Subclavian Arterial Stent Fracture.

Project description: Not available

| S-EPMC9064701 | biostudies-literature

Coronary-subclavian steal syndrome in a hemodialysis patient with ipsilateral subclavian artery occlusion and contralateral vertebral artery stenosis "Case Report".

Project description: Not available

| S-EPMC5331406 | biostudies-literature

OCULO-AURICULO-VERTEBRAL SPECTRUM ASSOCIATED WITH ABERRANT SUBCLAVIAN ARTERY IN AN INFANT WITH RECURRENT RESPIRATORY DISTRESS.

Project description:ObjectiveTo describe an infant with craniofacial microsomia and recurrent respiratory distress associated with aberrant right subclavian artery in order to review its most frequent congenital anomalies and alert the pediatrician to its rarer and more severe complications.Case descriptionThis case report involves an 18-month-old male infant, only son of non-consanguineous parents. At birth, the child presented craniofacial dysmorphisms (facial asymmetry, maxillary and mandibular hypoplasia, macrostomia, grade 3 microtia, and accessory preauricular tag) restricted to the right side of the face. Additional tests showed asymmetric hypoplasia of facial structures and thoracic hemivertebrae. No cytogenetic or cytogenomic abnormalities were identified. The patient progressed to several episodes of respiratory distress, stridor, and nausea, even after undergoing gastrostomy and tracheostomy in the neonatal period. Investigation guided by respiratory symptoms identified compression of the esophagus and trachea by an aberrant right subclavian artery. After surgical correction of this anomaly, the infant has not presented respiratory symptoms and remains under multidisciplinary follow-up, seeking rehabilitation.CommentsCraniofacial microsomia presents a wide phenotypic variability compared to both craniofacial and extracraniofacial malformations. The latter, similarly to the aberrant right subclavian artery, is rarer and associated with morbidity and mortality. The main contribution of this case report was the identification of a rare anomaly, integrating a set of malformations of a relatively common condition, responsible for a very frequent complaint in pediatric care.

| S-EPMC8240622 | biostudies-literature

Successful thoracoscopic management of iatrogenic left subclavian arterial injury: a case report.

Project description:The subclavian artery at the thoracic outlet is in the deepest position of the thoracic cavity and is difficult to repair in this narrow space once injured, even if the surgery is converted to a thoracotomy. This article presents a successful left subclavian artery repair procedure at the thoracic outlet using a thoracoscopic approach, with a video demonstration, and describes its technical characteristics. The patient was planned for a left upper lobectomy through three-port thoracoscopic approach. Severe adhesions were found intraoperatively and an accidental left subclavian arterial injury occurred when dissecting the adhesions. We first clamped the proximal portion of the subclavian artery and then directly clamped the rupture site. Our first suture failed due to the limited suture angle and the mutual restriction between the needle holder and atraumatic vascular clamp. To freely control the needle holder, another assistant port was made in the seventh intercostal space (ICS). The arterial injury was finally successfully repaired using pledgetted suture. The operation time was 235 minutes and intraoperative blood loss was 800 mL. The pulsation of the left radial artery was normal postoperatively, and the patient was discharged on postoperative day 6. Appropriate strategies allow attempts to manage intraoperative hyperbaric arterial bleeding from the systemic circulation, such as bleeding caused by subclavian arterial injuries, by means of a thoracoscopic approach without conversion to thoracotomy.

| S-EPMC8828525 | biostudies-literature

Involvement of Matrix Metalloproteinase 9 in Vertebral Arterial Dissection With Posterior Circulation Ischemic Stroke.

Project description:Background Spontaneous vertebral arterial dissection (VAD) is an important cause of posterior circulation ischemic stroke (PCS), but its pathogenesis remains elusive. Matrix metalloproteinase 9 (MMP-9) is a gelatinase involved in inflammation process and several vascular diseases, such as aorta dissection, but its role in VBD is unclear yet. The present study aimed to determine the association between serum MMP-9 level and VAD-related PCS. Methods and Results We recruited 149 patients with PCS, of which 30 were VAD and 119 had other determined etiologies (non-VAD), and 219 non-stroke individuals. Serum MMP-9 was measured within 14 days from stroke onset. The age of VAD group was 59.6±15.0 years, which is similar to non-stroke group (P=0.510) but significantly younger than non-VAD group (69.9±14.0 years, P<0.001). Males and vascular risk factors were significantly more prevalent in VAD and non-VAD groups than non-stroke group (P<0.001). Multivariate logistic regression analysis adjusting potential confounders revealed that every 100 ng/mL of serum MMP-9 level increment significantly predicted VAD (versus non-stroke group: odds ratio (OR), 4.572; 95% CI, 2.240-9.333, P<0.001; versus non-VAD group: OR, 1.819; 95% CI, 1.034-3.200, P=0.038). Conclusions Patients with VAD-related PCS had higher levels of serum MMP-9 at the acute stage of stroke compared with non-stroke individuals and PCS of other causes, supporting the potential involvement of extracellular matrix-degrading protease in the mechanism of VAD, which leads to ischemic events.

| S-EPMC7792376 | biostudies-literature

Coronary subclavian steal.

Project description: Not available

| S-EPMC10834904 | biostudies-literature

Physician-modified endograft for symptomatic zone 2 penetrating ulcer of the aortic arch without bridging stenting of the left subclavian artery for vertebral preservation.

Project description:We report the case of a 65-year-old male patient who was deemed unfit for open surgery and underwent zone 0 endovascular repair with a physician-modified fenestrated endograft for a symptomatic penetrating ulcer. A thoracic stent graft was modified creating a large fenestration for the innominate artery and the left common carotid artery, and a second small fenestration for the left subclavian artery and the left vertebral artery, which had a common origin. No bridging stent was used for the left subclavian artery to avoid coverage of the left vertebral artery. The postoperative course was uneventful, and no leaks nor other complications were detected on postoperative computed tomography angiography. Although long-term durability needs to be better assessed, our experience suggests that physician-modified fenestrated endografts are a feasible option for the emergent treatment of aortic arch lesions in unfit patients and provide satisfactory results in the short term.

| S-EPMC11327933 | biostudies-literature

Femoral Versus Nonfemoral Subclavian/Carotid Arterial Access Route for Transcatheter Aortic Valve Replacement: A Systematic Review and Meta-Analysis.

Project description:Background Some concerns remain regarding the safety of transcarotid and transsubclavian approaches for transcatheter aortic valve replacement. We aimed to compare the risk of 30-day complications and death in transcarotid/transsubclavian versus transfemoral transcatheter aortic valve replacement recipients. Methods and Results Data from 20 studies, including 79 426 patients (16 studies) and 3992 patients (4 studies) for the evaluation of the unadjusted and adjusted impact of the arterial approach were sourced, respectively. The use of a transcarotid/transsubclavian approach was associated with an increased risk of stroke when using unadjusted data (risk ratio [RR], 2.28; 95% CI, 1.90-2.72) as well as adjusted data (odds ratio [OR], 1.53; 95% CI, 1.05-2.22). The pooled results deriving from unadjusted data showed an increased risk of 30-day death (RR, 1.46; 95% CI, 1.22-1.74) and bleeding (RR, 1.53; 95% CI, 1.18-1.97) in patients receiving transcatheter aortic valve replacement through a transcarotid/transsubclavian access (compared with the transfemoral group), but the associations between the arterial access and death (OR, 1.22; 95% CI, 0.89-1.69), bleeding (OR, 1.05; 95% CI, 0.68-1.61) were no longer significant when using adjusted data. No significant effect of the arterial access on vascular complication was observed in unadjusted (RR, 0.84; 95% CI, 0.66-1.06) and adjusted (OR, 0.79; 95% CI, 0.53-1.17) analyses. Conclusions Transcarotid and transsubclavian approaches for transcatheter aortic valve replacement were associated with an increased risk of stroke compared with the transfemoral approach. However, these nonfemoral arterial alternative accesses were not associated with an increased risk of 30-day death, bleeding, or vascular complication when taking into account the confounding factors.

| S-EPMC7792420 | biostudies-literature

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