Follow-up results of carotid angioplasty with stenting as assessed by duplex ultrasound surveillance

2006 ◽  
Vol 192 (5) ◽  
pp. 583-588 ◽  
Author(s):  
Brian Park ◽  
Francesco Aiello ◽  
Michael Dahn ◽  
James O. Menzoian ◽  
Arun Mavanur
Keyword(s):  
Duplex Ultrasound ◽  
Carotid Angioplasty ◽  
Ultrasound Surveillance

Modulation of carotid strain by statin therapy in atherosclerosis patients

VASA ◽  
2017 ◽  
Vol 46 (2) ◽  
pp. 108-115 ◽  
Author(s):  
Christian Alexander Schaefer ◽  
Anna Katharina Blatzheim ◽  
Sebastian Gorgonius Passon ◽  
Kristin Solveig Pausewang ◽  
Nadjib Schahab ◽  
...  
Keyword(s):  
Statin Therapy ◽  
Pulse Wave ◽  
Ultrasound Examination ◽  
Ankle Brachial Index ◽  
Radial Strain ◽  
Strain Analysis ◽  
Duplex Ultrasound ◽  
Strain Imaging ◽  
The Common

Abstract. Background: The beneficial effect of statin therapy on the progress of atherosclerotic disease has been demonstrated by numerous studies. Vascular strain imaging is an arising method to evaluate arterial stiffness. Our study examined whether an influence of statin therapy on the vessel wall could be detected by vascular strain imaging. Patients and methods: 88 patients with recently detected atherosclerosis underwent an angiological examination including ankle-brachial index (ABI), pulse wave index (PWI), central puls ewave velocity and duplex ultrasound. Captures for vascular strain analysis were taken in B-mode during ultrasound examination of the common carotid artery and evaluated using a workstation equipped with a speckle tracking based software. A statin therapy was recommended and after six months a follow-up examination took place. Meanwhile, the non-adherence of a group of patients (N = 18) lead to a possibility to observe statin effects on the vascular strain. Results: In the statin non-adherent group the ABI decreased significantly to a still non-pathological level (1.2 ± 0.2 vs. 1.0 ± 0.2; p = 0.016) whereas it stagnated in the adherent group (1.0 ± 0.2 vs. 1.0 ± 0.2; p = 0.383). The PWI did not differ in the non-adherent group (180.5 ± 71.9 vs. 164.4 ± 75.8; p = 0.436) but under statin therapy it decreased significantly (261.8 ± 238.6 vs. 196.4 ± 137.4; p = 0.016). In comparison to the adherent group (4.2 ± 2.0 vs. 4.0 ± 1.8; p = 0.548) under statin therapy the radial strain decreased significantly in the non-adherent group (4.7 ± 2.0 vs. 3.3 ± 1.1; p = 0.014). Conclusions: Our findings reveal a beneficial influence of statin therapy on the arterial wall detected by vascular strain analysis.

Endovenous radiofrequency powered segmental thermal ablation (Closure FAST) of great saphenous veins

Phlebologie ◽  
2010 ◽  
Vol 39 (02) ◽  
pp. 69-71 ◽  
Author(s):  
T. M. Proebstle ◽  
Keyword(s):  
Side Effects ◽  
Thermal Ablation ◽  
Clinical Success ◽  
Clinical Success Rate ◽  
Duplex Ultrasound ◽  
Multicenter Trial ◽  
Saphenous Veins ◽  
Clinical Control ◽  
Prospective Multicenter Trial

Summary Background: Radiofrequency powered segmental thermal ablation Closure FAST has become a globally engaged technology for ablation of incompetent great saphenous veins (GSVs). Mid-term results of slowly resolving side effects are still not described. Methods: RSTA-treated GSVs (n = 295) were followed for 24 months in a prospective multicenter trial. Clinical control visits included flow and reflux analysis by duplex-ultrasound and assessment of treatment related side effects at all times. Results: 280 of 295 treated GSVs (94.9%) were available for 24 months follow-up. According to the method of Kaplan and Meier at 24 months after the intervention 98.6% of treated legs remained free of clinically relevant axial reflux. The average VCSS score improved from 3.9 ± 2.1 at screening to 0.7 ± 1.2 at 24 months follow-up (p < 0.0001). While only 41.1% of patients were free of pain before treatment, at 24 months 99.3% reported no pain and 96.4% did not experience pain during the 12 months before. At 24 months n=3 legs showed pigmentation along the inner thigh and one leg showed study-treatment related paresthesia. Conclusion: Radiofrequency powered segmental thermal ablation Closure FAST showed a very moderate side-effect profile in conjunction with a high and durable clinical success rate.

Internal valvuloplasty combined with sleeve wrapping in the treatment of severe deep venous incompetence: A case report

Vascular ◽  
2021 ◽  
pp. 170853812199012
Author(s):  
Yingfeng Wu ◽  
Libing Wei ◽  
Xixiang Gao ◽  
Yixia Qi ◽  
Zhu Tong ◽  
...  
Keyword(s):  
Lower Limb ◽  
Venous Insufficiency ◽  
Femoral Vein ◽  
Duplex Ultrasound ◽  
Vein Wall ◽  
Polyester Urethane ◽  
Left Lower Limb ◽  
Deep Vein ◽  
Color Duplex Ultrasound

Background The main cause of severe chronic venous insufficiency is deep venous incompetence. Deep venous reconstructive surgeries are reserved for cases that do not show a good response to conservative therapies. Method We present the case of a 68-year-old man presenting with swelling, pain, and pigmentation in his left lower limb for 14 years and ulcers for 10 years. Descending venography identified a Kistner’s grade IV reflux in the deep vein of the left lower limb. Internal valvuloplasty was performed following Kistner’s method. Meanwhile, external wrapping with a 1-cm-wide polyester-urethane vascular patch was performed to strengthen the vein wall in the venospasm condition. Results Symptoms were immediately relieved postoperatively. Refractory ulcers healed five months after the procedure. At the six-month follow-up, color duplex ultrasound of the deep vein of the left lower limb showed no reflux in the proximal segment of the femoral vein. Conclusion Internal valvuloplasty combined with sleeve wrapping is feasible in the treatment of severe deep venous incompetence with good short-term results.

scholarly journals Applications of intraoperative Duplex ultrasound in vascular surgery: a systematic review

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Pasha Normahani ◽  
Bilal Khan ◽  
Viknesh Sounderajah ◽  
Sepideh Poushpas ◽  
Muzaffar Anwar ◽  
...  
Keyword(s):  
Bypass Surgery ◽  
Duplex Ultrasound ◽  
Residual Flow ◽  
Scanning Strategy ◽  
Adjusted Risk ◽  
Conflicting Evidence ◽  
Carotid Artery Endarterectomy ◽  
The Impact ◽  
Modest Reduction

Abstract Objective This review aims to summarise the contemporary uses of intraoperative completion Duplex ultrasound (IODUS) for the assessment of lower extremity bypass surgery (LEB) and carotid artery endarterectomy (CEA). Methods We performed a systematic literature search using the databases of MEDLINE. Eligible studies evaluated the use of IODUS during LEB or CEA. Results We found 22 eligible studies; 16 considered the use of IODUS in CEA and 6 in LEB. There was considerable heterogeneity between studies in terms of intervention, outcome measures and follow-up. In the assessment of CEA, there is conflicting evidence regarding the benefits of completion imaging. However, analysis from the largest study suggests a modest reduction in adjusted risk of stroke/mortality when using IODUS selectively (RR 0.74, CI 0.63–0.88, p = 0.001). Evidence also suggests that uncorrected residual flow abnormalities detected on IODUS are associated with higher rates of restenosis (range 2.1% to 20%). In the assessment of LEB, we found a paucity of evidence when considering the benefit of IODUS on patency rates or when considering its utility as compared to other imaging modalities. However, the available evidence suggests higher rates of thrombosis or secondary intervention in grafts with uncorrected residual flow abnormalities (up to 36% at 3 months). Conclusions IODUS can be used to detect defects in both CEA and LEB procedures. However, there is a need for more robust prospective studies to determine the best scanning strategy, criteria for intervention and the impact on clinical outcomes.

scholarly journals Duplex Ultrasound Surveillance After Transcarotid Artery Revascularization (TCAR) in Clinical Practice

2021 ◽  
Vol 73 (5) ◽  
pp. 1830
Author(s):  
B.R. Beeman ◽  
B.A. Kuhn ◽  
M.H. Recht ◽  
P.E. Muck ◽  
P.A. Schneider
Keyword(s):  
Clinical Practice ◽  
Duplex Ultrasound ◽  
Ultrasound Surveillance

Healing of Carotid Stents: A Prospective Duplex Ultrasound Study

2003 ◽  
Vol 10 (3) ◽  
pp. 636-642 ◽  
Author(s):  
Andrea Willfort-Ehringer ◽  
Ramazanali Ahmadi ◽  
Michael E. Gschwandtner ◽  
Angelika Haumer ◽  
Gottfried Heinz ◽  
...  
Keyword(s):  
Carotid Arteries ◽  
Duplex Ultrasound ◽  
Stable Phase ◽  
Carotid Stent ◽  
Time Intervals ◽  
Unstable Phase ◽  
Ultrasound Study ◽  
Maximal Thickness ◽  
Second Year

Purpose: To study the dynamics of carotid stent healing over a 2-year period using duplex ultrasound imaging. Methods: One hundred twelve patients with 121 successfully stented carotid arteries were examined with color-coded duplex ultrasound the day after the stent procedure and at 1, 3, 6, 12, and 24 months in follow-up. The maximal thickness and echogenicity of the layer between the stent and the perfused lumen (SPL) were evaluated. Echogenicity was classified as echogenic if the SPL layer was clearly detected in B mode and echolucent if the SPL layer was barely visible in B mode, its border defined by assistance of color-coded flow. Results: At day 1, an echolucent SPL layer with a median thickness of 0.7 mm was interpreted as a thrombotic layer, which decreased at 1 month to practically zero (i.e., not detectable). In follow-up, increases in thickness (mainly up to 6 months) and echogenicity (up to 12 months) of the SPL layer were interpreted as neointimal ingrowth. At 3, 6, and 12 months, the median maximal thickness of the SPL layer was 0.5 mm, 0.9 mm, and 1.0 mm, respectively, whereas the percentage of patients with an echogenic SPL layer was 27% (32/119), 56% (66/117), and 95% (105/110), respectively, at the same time intervals. No further change was observed at the 24-month examination. Conclusions: Three phases of carotid stent incorporation are defined: (1) an early unstable period soon after stent placement with an echolucent (thrombotic) SPL layer, (2) a moderately unstable phase with ingrowing neointima (1–12 months), and (3) a stable phase from the second year on. These data may indicate the need for different intensities of therapy and surveillance intervals.

Duplex Ultrasound Surveillance of Dialysis Access Function

2011 ◽  
pp. 601-612
Author(s):  
Joe P. Chauvapun ◽  
Martin R. Back ◽  
Dennis F. Bandyk
Keyword(s):  
Duplex Ultrasound ◽  
Dialysis Access ◽  
Ultrasound Surveillance

P1321PLASMATIC OSTEOPONTIN: A PREDICTOR OF VASCULAR ACCESS DYSFUNCTION IN HEMODIALYSIS PATIENTS

2020 ◽  
Vol 35 (Supplement_3) ◽  
Author(s):  
Nirvana Sadaghianloo ◽  
CONTENTI Julie ◽  
Vido Sandor ◽  
Carboni Joseph ◽  
Bonnet Sophie ◽  
...  
Keyword(s):  
Biological Marker ◽  
Duplex Ultrasound ◽  
Hemodialysis Patients ◽  
Control Group ◽  
Strongly Correlated ◽  
Arteriovenous Fistulas ◽  
Significant Difference ◽  
Patients At Risk ◽  
Elisa Technique

Abstract Background and Aims Despite recommendations for a close follow-up of arteriovenous fistulas (AVF), thombosis rate reaches 10% each year. Conventional follow-up modalities remain a burden for hemodialysis patients. We tested the hypothesis that osteopontin (OPN), a pro-inflammatory molecule related to intimal hyperplasia, could be a biological marker of stenosis, and could thereby allow a screening of patients at risk for AVF dysfunction. Method Our prospective study (NCT03270358) compared the rate of plasmatic OPN between patients with a good-functioning AVF (control group, N= 39) and patients who required surgical or endovascular revision of their AVF because of a stenosis (stenosis group, N= 37). Blood samples were taken in the AVF, at the time of AVF cannulation in control patients, and at the time of AVF revision in stenosis patients. For each patient, blood from the contralateral arm was also analyzed as a between-subject control (paired t test). Cardiovascular risk factors, ongoing medications, and OPN rates (ELISA technique) were compared among the groups (uni- and multivariate analysis). The ROC curve determined sensitivity and specificity of the marker for the detection of stenosis. Results Patients' characteristics were similar between the 2 groups (mean age, 70 years; men, 63%; AVF duration; 39 months), apart from diabetes (control group, 33%; stenosis group, 57%; p=0.04). The rate of OPN was similar between the AVF arm and the contralateral arm (p=0.11), but significantly increased in the stenosis group compared to the control group (655 vs. 452 ng/mL, respectively, p=0.02). There was no statistically significant difference in OPN rate for diabetics and non diabetics (two-way ANOVA, p= 0.50). Sensitivity was 89% for a threshold &gt;293ng/mL and specificity was 80% for a threshold &gt;567ng/mL (AUC: 0.70; 95%CI: 0.57-0.81; p=0.004). Patients with an OPN rate ≥293ng/mL and those with an OPN rate ≥567ng/mL had respectively 8.87 and 15.62 higher odds to have a stenosis than patients with an OPN rate &lt;293ng/mL (binomial regression, p&lt;0.01). Conclusion Plasmatic OPN rate in hemodialysis patients can be measured simply, in a blood sample taken at the time of AVF cannulation, and is strongly correlated to the presence of a symptomatic AVF stenosis. This biomarker could help the physician choose which patient need a comprehensive examination of his/her AVF with duplex ultrasound or fistulogram.

Sign in / Sign up

Export Citation Format

Share Document