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Bifurcation stenting

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https://www.readbyqxmd.com/read/28934888/influence-of-iliac-stenotic-lesions-on-blood-flow-patterns-near-a-covered-endovascular-reconstruction-of-the-aortic-bifurcation-cerab-stent-configuration
#1
Erik Groot Jebbink, Stefan Engelhard, Guillaume Lajoinie, Jean-Paul P M de Vries, Michel Versluis, Michel M P J Reijnen
PURPOSE: To investigate the effect of distal stenotic lesions on flow patterns near a covered endovascular reconstruction of the aortic bifurcation (CERAB) configuration used in the treatment of aortoiliac occlusive disease. METHOD: Laser particle image velocimetry measurements were performed using in vitro models of the aortic bifurcation with and without a CERAB configuration in place. A hemodynamically nonsignificant stenosis (ΔP: 9 mm Hg), a hemodynamically significant (ΔP: 26 mm Hg) stenosis, and a total occlusion were simulated in the left iliac arteries...
September 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28933231/temporary-tracheal-stenting-after-pulmonary-artery-sling-repair-in-a-newborn
#2
Sabrina Lueck, Michael Mohr, Claudius Werner, Christoph Schmidt, Edward Malec, Katarzyna Januszewska
Pulmonary artery sling (PAS) is a rare disease frequently associated with severe malacia and stenosis of the trachea. We present a two-day-old newborn that underwent urgent surgery for PAS and needed prolonged respiratory support afterward. Temporary airway stenting above the level of the tracheal bifurcation was performed five days after surgery to overcome severe airway obstruction caused by tracheomalacia and laceration of the tracheal mucosa after diagnostic bronchoscopy. Two days after the procedure, the child could be extubated and after two weeks the stent was removed without complications...
January 1, 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28926354/neointimal-coverage-of-jailed-side-branches-in-coronary-bifurcation-lesions-an-optical-coherence-tomography-analysis
#3
Teruyoshi Kume, Ryotaro Yamada, Koyama Terumasa, Tomoko Tamada, Koichiro Imai, Kenzo Fukuhara, Yutaka Goryo, Ai Kawamura, Okamoto Hiroshi, Yoji Neishi, Shiro Uemura
OBJECTIVES: The jailed strut at the side-branch (SB) orifice may be a cause of delayed neointimal coverage and SB flow disturbance after single stenting to bifurcation. The aim of this study was to characterize the exact relationship between the jailed strut pattern at the SB orifice immediately after stent implantation and neointimal coverage of the jailed SB orifice in the chronic phase. PATIENTS AND METHODS: A total of 29 bifurcation (left anterior descending coronary artery and diagonal branch) lesions treated by optical coherence tomography-guide single-stent implantation and followed at 18 months after a percutaneous coronary intervention were included in this study...
September 18, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28906352/clinical-and-angiographic-outcomes-following-endovascular-treatment-of-very-small-3%C3%A2-mm-or-smaller-intracranial-aneurysm-a-single-center-experience
#4
Yongsheng Liu, Feng Wang, Xiaochen Fu, Yongjian Liu, Guodong Zhang, Ke Xu
Treatments for very small (3 mm or smaller) intracranial aneurysms (VSAs) remain controversial. The aim of this study was to evaluate the efficacy of endovascular treatment for VSAs and to evaluate clinical risk factors associated with complications.This retrospective study enrolled 82 VSA patients who underwent coil embolization in our institution. Angiographic outcomes were assessed according to the Meyers classification. The clinical results were evaluated using the modified Rankin scale (mRS) immediately after coiling, at discharge, and during follow-up...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28891469/influence-of-the-sequence-of-proximal-optimization-technique-and-side-branch-dilation-for-the-opening-of-jailed-struts-after-coronary-bifurcation-stenting
#5
Yoshinobu Murasato, Takahiro Mori, Takayuki Okamura, Junya Shite
We encountered two cases that resulted in unusual deflection of the protruded struts after proximal optimization technique (POT) with side branch (SB) dilation in coronary bifurcation stenting, when the guide wires recrossed into proximal cells of the struts overhung in the SB ostium. In one case, POT before SB dilation enabled adequate strut expansion with some deflection toward the distal SB, and subsequent SB dilation completed this deflection. In another case, POT after SB dilation resulted in the deflection toward distal main branch, opposite side of the previous case...
September 12, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28887238/emergent-carotid-stent-removal-after-carotid-stent-thrombosis-surgical-technique
#6
Konstantinos G Moulakakis, Andreas Lazaris
OBJECTIVE: To present the technique for emergent removal of the thrombosed stent in acute carotid stent thrombosis in patients undergoing carotid artery angioplasty-stenting (CAS) BACKGROUND: Acute carotid stent thrombosis in patients undergoing CAS is a relatively rare and potentially devastating complication influencing significantly the quality of life. With the increasing use of stenting in clinical practice, it is expected to represent a more often encountered complication for physicians performing CAS...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28885502/outcomes-of-endovascular-repair-for-abdominal-aortic-aneurysms-a-nationwide-survey-in-japan
#7
Katsuyuki Hoshina, Shin Ishimaru, Yusuke Sasabuchi, Hideo Yasunaga, Kimihiro Komori
OBJECTIVE: To analyze data on patients treated with a bifurcated stent graft for abdominal aortic aneurysm (AAA). BACKGROUND: The Japan Committee for Stentgraft Management (JACSM) was established in 2007 to manage the safety of endovascular aortic aneurysm repair (EVAR) in Japan. The JACSM registry includes detailed anatomical and clinical data of all patients who undergo stent graft insertion in Japan. METHODS: Among 51,380 patients treated with bifurcated stent graft for AAA, we identified 38,008 eligible patients (excluding those with rupture or insufficient data)...
September 6, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28874034/the-impact-of-entries-and-exits-on-false-lumen-thrombosis-and-aortic-remodelling
#8
Daniel-Sebastian Dohle, Heinz Jakob, Robert Schucht, Rolf Alexander Janosi, Thomas Schlosser, Mohamed El Gabry, Daniel Wendt, Matthias Thielmann, Konstantinos Tsagakis
OBJECTIVES: In DeBakey Type I acute aortic dissection, the frozen elephant trunk technique is used for the combined treatment of both the proximal and distal thoracic aorta. Anatomical characteristics of the distal aorta and their impact on false lumen (FL) thrombosis and aortic remodelling were analysed in this study. METHODS: Sufficient pre-, postoperative, and at least one 1-year follow-up computed tomography data sets were available for 63 of 94 patients treated with the frozen elephant trunk for Type I acute aortic dissection between March 2005 and March 2015...
September 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28867010/mid-term-clinical-outcomes-of-absorb-bioresorbable-vascular-scaffold-versus-everolimus-eluting-stent-for-coronary-bifurcation-lesions
#9
Toru Naganuma, Hiroyoshi Kawamoto, Vasileios F Panoulas, Azeem Latib, Akihito Tanaka, Satoru Mitomo, Neil Ruparelia, Richard J Jabbour, Alaide Chieffo, Mauro Carlino, Matteo Montorfano, Antonio Colombo
BACKGROUND: Data regarding bioresorbable vascular scaffolds (BVS) use in coronary bifurcation lesions are limited. The aim of this study was to compare mid-term clinical outcomes of all-comer patients treated with BVS versus everolimus-eluting stents (EES) for bifurcation lesions. METHODS: A total of 351 non-left-main bifurcation lesions in 323 all-comer patients were treated either with BVS (166 bifurcations in 147 patients) or EES (185 bifurcations in 176 patients)...
November 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28844907/effect-of-different-stent-configurations-using-lattice-boltzmann-method-and-particles-image-velocimetry-on-artery-bifurcation-aneurysm-problem
#10
N Hafizah Mokhtar, Aizat Abas, N A Razak, Muhammad Najib Abdul Hamid, Soon Lay Teong
Proper design of stent for application at specific aneurysm effect arteries could help to reduce the issues with thrombosis and aneurysm. In this paper, four types of stent configuration namely half-Y (6 mm), half-Y (4 mm), cross-bar, and full-Y configuration will implanted on real 3D artery bifurcation aneurysm effected arteries. Comparisons were then conducted based on the flow patterns after stent placement using both LBM-based solver and PIV experimental findings. According to the data obtained from all 4 stent designs, the flow profiles and the computed velocity from both methods were in agreement with each other...
August 24, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28844030/state-of-the-art-balloon-catheter-technologies-drug-coated-balloon
#11
Fernando Alfonso, Bruno Scheller
Four decades after its introduction into clinical practice, coronary balloon angioplasty is still used during most coronary interventions. Conventional balloon angioplasty is frequently used to predilate complex or severe lesions and remains of major value to optimise the results of stent implantation. Plain balloon angioplasty is still used alone in some anatomic scenarios where stent implantation is not desirable (very small vessels or diffuse lesions, large resistant thrombus burden, side branches of bifurcations)...
August 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28844026/state-of-the-art-coronary-angiography
#12
Carlos Collet, Maik J Grundeken, Taku Asano, Yoshinobu Onuma, William Wijns, Patrick W Serruys
In the early days of coronary angiography, the precise quantification of luminal narrowing was challenging. The introduction of balloon angioplasty (percutaneous transluminal coronary angioplasty [PTCA]) by Andreas Grüntzig in 1977 was perhaps the greatest incentive to the development of quantitative coronary angiography (QCA). QCA has played a crucial role in evaluating interventional techniques and assessing the results of new technologies. With the advent of drug-eluting stents (DES), QCA metrics such as late lumen loss and diameter stenosis (restenosis) proved to be instrumental in assessing new technologies...
August 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28843589/hemorrhage-risk-with-transjugular-intrahepatic-portosystemic-shunt-tips-insertion-at-the-main-portal-vein-bifurcation-with-stent-grafts
#13
A S Griffin, S R Preece, J Ronald, T P Smith, P V Suhocki, C Y Kim
PURPOSE: The purpose of this study was to assess the incidence of major hemorrhage after transjugular intrahepatic portosystemic shunt (TIPS) insertion using a stent graft at the main portal vein bifurcation. PATIENTS AND METHODS: TIPS insertion using stent grafts was performed in 215 patients due to non-variceal hemorrhage indications. There were 137 men and 78 women, with a mean age of 57 years±10.6 (SD) (range: 19-90 years). Based on retrospective review of portal venograms, TIPS inserted within 5mm from the portal vein bifurcation were considered "bifurcation TIPS", while those inserted 2cm or greater from the bifurcation were considered intrahepatic...
August 23, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28840591/comparison-of-dedicated-bioss-bifurcation-stents-with-regular-drug-eluting-stents-for-coronary-artery-bifurcated-lesions-pooled-analysis-from-two-randomized-studies
#14
Robert J Gil, Jacek Bil, Adam Kern, Luis A Iñigo Garcia, Radosław Formuszewicz, Sławomir Dobrzycki, Dobrin Vassilev, Agnieszka Segiet
BACKGROUND: Coronary bifurcation treatment poses a therapeutic challenge. The aim of this study was to analyze pooled data of two randomized clinical trials, POLBOS I and POLBOS II, to compare 1-year follow-up results and identify possible prognostic factors. METHODS: In POLBOS trials dedicated bifurcation BiOSS® stents were compared with regular drug eluting stents (rDES) in patients with stable coronary artery disease (CAD) or non ST-segment elevation acute coronary syndrome (POLBOS I: paclitaxel eluting BiOSS® Expert vs...
August 25, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28836339/visual-estimation-versus-different-quantitative-coronary-angiography-methods-to-assess-lesion-severity-in-bifurcation-lesions
#15
Maik J Grundeken, Carlos Collet, Yuki Ishibashi, Philippe Généreux, Takashi Muramatsu, Laura LaSalle, Aaron V Kaplan, Joanna J Wykrzykowska, Marie-Angèle Morel, Jan G Tijssen, Robbert J de Winter, Yoshinobu Onuma, Martin B Leon, Patrick W Serruys
OBJECTIVES: To compare visual estimation with different quantitative coronary angiography (QCA) methods (single-vessel versus bifurcation software) to assess coronary bifurcation lesions. BACKGROUND: QCA has been developed to overcome the limitations of visual estimation. Conventional QCA however, developed in "straight vessels," has proved to be inaccurate in bifurcation lesions. Therefore, bifurcation QCA was developed. However, the impact of these different modalities on bifurcation lesion severity classification is yet unknown METHODS: From a randomized controlled trial investigating a novel bifurcation stent (Clinicaltrials...
August 24, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28835831/three-dimensional-optical-frequency-domain-imaging-of-a-true-bifurcation-lesion-after-stent-implantation-using-the-jailed-semi-inflated-balloon-technique
#16
Yohei Numasawa, Hiromu Hase, Hiroyuki Yamazaki, Ryota Tabei, Toshiki Kuno, Masaki Kodaira, Tetsuya Saito
OBJECTIVE: Percutaneous coronary intervention for coronary bifurcation lesion is very challenging, especially for true bifurcation lesions. Although the jailed semi-inflated balloon technique is one of the established methods for treatment of coronary bifurcation lesions, little is known regarding the configuration of the side branch orifice after stent implantation using this technique. METHODS: We report a 73-year-old male patient with angina pectoris who was successfully treated with percutaneous coronary stent implantation for a true bifurcation lesion of the right coronary artery with an obtuse angle using the jailed semi-inflated balloon technique...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28830751/treatment-of-de-novo-coronary-artery-bifurcation-lesions-with-drug-coated-balloons-a-reappraisal-according-to-the-available-scientific-data
#17
REVIEW
Marco Zuin, Gianluca Rigatelli
The treatment of coronary artery bifurcation often represents a challenge for interventional cardiologist. Although several stenting techniques are available for the treatment of de novo coronary bifurcation lesions, over the last years, different studies have proposed and analysed the use of drug-coated balloon (DCB) in the treatment of coronary artery bifurcation lesions as an alternative treatment. To date, even considering those studies which have analysed a combined strategy (DCB+stenting) or a DCB-only approach, the evidences are scant and the results debatable...
July 11, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28829743/intracoronary-electrocardiogram-to-guide-percutaneous-interventions-in-coronary-bifurcations-a-proof-of-concept-the-fiesta-ffr-vs-icecgsta-study
#18
Dobrin Vassilev, Liubomir Dosev, Carlos Collet, Kiril Karamfiloff, Jivka Stoikova, Ralica Pancheva, Monika Shumkova, Galina Zlatancheva, Vladimir Naunov, Gianluca Rigatelli, Ghassan S Kassab, Robert J Gil, Patrick W Serruys
AIMS: The aim of this study was to determine the accuracy of the intracoronary electrocardiogram (icECG) to detect ischemia during bifurcation lesions percutaneous coronary intervention (PCI) with fractional flow reserve (FFR) as a reference. METHODS AND RESULTS: Patients with significant bifurcation lesions defined as FFR≤0.80 were included. FFR and icECG were performed in the main vessel (MV) and side branch (SB) before and after provisional stenting. icECG was recorded with a uninsulated proximal wire end connected to a unipolar lead...
August 22, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28828203/misaligned-pconus-device-case-report-of-a-unique-complication
#19
Krishna Prasad Bellam Premnath, Gigy Kuruttukulam, Anil Kumar Shivan
pCONus is a stent-like endovascular device which aids in retention of coils within wide-necked bifurcation aneurysms. It is retrievable even after complete deployment and is detached electrolytically. The pCONus aided coiling of wide-necked bifurcation aneurysms has a high technical success rate and a good safety profile. Different complications have been described in literature with the usage of pCONus. This case report describes a unreported complication of inappropriately deployed pCONus device.
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28822662/morphologic-characteristics-and-endovascular-treatment-of-primary-infrarenal-aortic-dissections
#20
Wan Zhang, Zhenyu Shi, Weiguo Fu, Bin Chen, Xin Xu, Daqiao Guo
OBJECTIVE: We report the morphologic characteristics and endovascular treatment of primary infrarenal aortic dissections (PIRADs). METHODS: A retrospective study was conducted with 38 consecutive PIRAD patients between January 2010 and May 2016 in our vascular center. Patient demographics, morphologic characteristics, endovascular modalities, and periprocedural and follow-up outcomes were recorded. Patients with symptomatic PIRADs or asymptomatic PIRADs of a maximum diameter >30 mm were indicated for endovascular aneurysm repair (EVAR)...
August 16, 2017: Journal of Vascular Surgery
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