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https://www.readbyqxmd.com/read/29149268/mitral-valve-replacement-with-the-novel-tribio-and-an-established-stented-bioprosthesis-in-a-sheep-model
#1
Sina Stock, Hans-Hinrich Sievers, Doreen Richardt, Michael Scharfschwerdt
OBJECTIVES: Heart valve replacement with a bioprosthesis is one of the most frequently performed procedures in cardiac surgery and represents a highly effective therapy to relieve diseased heart valves. Nevertheless, as postoperatively elevated transvalvular gradients and prosthesis-patient mismatch are reported as shortcomings of the procedure or of the currently used devices, there is a need for novel bioprostheses with improved haemodynamics. This study presents preclinical haemodynamic results after mitral valve replacement with the novel TRIBIO bioprosthesis (TRIBIO) compared with an established bioprosthesis in a sheep model...
November 15, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29148891/hyperventilation-and-breath-holding-test-with-indocyanine-green-kinetics-predicts-cerebral-hyperperfusion-after-carotid-artery-stenting
#2
Ichiro Nakagawa, Shohei Yokoyama, Daisuke Wajima, Fumihiko Nishimura, Shuichi Yamada, Hiroshi Yokota, Yasushi Motoyama, Young Su Park, Takeshi Wada, Kimihiko Kichikawa, Hiroyuki Nakase
Cerebral hyperperfusion syndrome (CHS) is a serious complication following carotid artery stenting (CAS), but definitive early prediction of CHS has not been established. Here, we evaluated whether indocyanine green kinetics and near-infrared spectroscopy (ICG-NIRS) with hyperventilation (HV) and the breath-holding (BH) test can predict hyperperfusion phenomenon after CAS. The blood flow index (BFI) ratio during HV and BH was prospectively monitored using ICG-NIRS in 66 patients scheduled to undergo CAS. Preoperative cerebrovascular reactivity (CVR) and the postoperative asymmetry index (AI) were also assessed with single-photon emission computed tomography before and after CAS and the correlation with the BFI HV/rest ratio, BFI BH/rest ratio was evaluated...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29148248/recurrent-coarctation-of-aorta-after-norwood-operation-in-single-ventricle-patients-the-case-of-the-missing-ideal-stent
#3
EDITORIAL
Dhaval R Parekh, Zvonimir Krajcer
Recurrent coarctation postoperative Norwood is poorly tolerated in single ventricle patients. Although transcatheter balloon angioplasty is considered first line, it often leads to inadequate or non-durable relief of obstruction. Transcatheter stent implantation provides excellent relief of obstruction but necessitates staged redilation to account for somatic growth in children. Stent technology, delivery systems, and procedural techniques will need to evolve to obviate reported adverse events mainly due to patient size...
November 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29148246/impact-of-hospital-volume-on-long-term-neurological-outcome-in-patients-undergoing-carotid-artery-stenting-a-nationwide-propensity-score-matched-study-doi-10-1002-ccd-26989
#4
Chi-Sheng Hung, Chih-Fan Yeh, Mao-Shin Lin, Ying-Hsien Chen, Ching-Chang Huang, Hung-Yuan Li, Hsien-Li Kao
No abstract text is available yet for this article.
November 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29148244/real-life-experience-with-bioresorbable-polymer-everolimus-eluting-stents-is-this-an-answer-in-search-of-a-question
#5
EDITORIAL
Youssef Rahban, Carey Kimmelstiel
Stent thrombosis and clinically driven restenosis are rare in the era of newer generation DES. The Synergy bioresorbable polymer DES appears to be comparable to other durable polymer and other bioabsorbable polymer DES in terms of safety and efficacy at 1-year post implantation. Further long-term study is needed to determine the specific role of the Synergy stent and other DES with bioabsorbable polymers.
November 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29147877/efficacy-and-safety-of-fully-covered-self-expanding-metal-stents-for-malignant-esophageal-obstruction
#6
Hoonsub So, Ji Yong Ahn, Seungbong Han, Kyoungwon Jung, Hee Kyong Na, Jeong Hoon Lee, Kee Wook Jeong, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung
BACKGROUND: Malignant dysphagia can result in poor nutritional status with severe weight loss. Rapid relief from dysphagia can be achieved with esophageal self-expanding metal stents (SEMSs), a minimally invasive method. In this study, we evaluated the usefulness of SEMSs for malignant dysphagia. METHODS: Between 2012 and 2015, 119 patients with malignant dysphagia underwent esophageal SEMS insertion with endoscopic assistance. Their demographics and clinical outcomes were collected...
November 17, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29147473/bioresorbable-vascular-scaffold-versus-metallic-stent-in-percutaneous-coronary-intervention-results-of-the-aida-trial
#7
Syed Raza Shah, Mazia Fatima, Amin Muhammad Dharani, Waqas Shahnawaz, Syed Arbab Shah
Drug-eluting stents have significantly improved the long-term outcomes of percutaneous coronary intervention (PCI) by decreasing the excessive growth of neointima. However, conventional stents have some limitations. PCI with a bioresorbable vascular scaffold (BVS) has emerged as an alternative since the presence of the prosthesis in the coronary artery is transient. A US Food and Drug Administration advisory panel of experts recommended approval of BVS based on the analysis of its risks and rewards in July 2016...
2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29147165/outcomes-of-popliteal-to-distal-bypass-combined-with-femoropopliteal-artery-endovascular-treatment-for-critical-limb-ischemia
#8
Yoshihiko Tsuji, Ikuro Kitano, Koji Sugimoto
Objective: The aim of this study was to evaluate outcomes of combined popliteal-to-distal bypass and endovascular treatment (EVT) for femoropopliteal lesions in patients with critical limb ischemia (CLI). Patients and Methods: We reviewed data of 14 CLI patients who were treated by popliteal-to-distal bypass combined with femoropopliteal EVT. The femoropopliteal lesions included 3 TASC II-A, 8 TASC II-B, and 3TASC II-C but no TASC II-D, and balloon dilatation was performed in 9 cases and a stent was placed in 5 cases...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29147158/successful-hybrid-treatment-of-stent-graft-migration-caused-by-type-b-aortic-dissection-after-endovascular-aortic-aneurysm-repair-a-case-report
#9
Tsunehiro Shintani, Kouji Atsuta, Takaaki Saito
Herein, we report a rare case of type B aortic dissection that occurred after endovascular aortic aneurysm repair (EVAR). A 66-year-old man underwent successful EVAR for an abdominal aortic aneurysm (AAA). Computed tomography (CT) 2 years after EVAR showed a type B aortic dissection with stent-graft migration and AAA expansion. Juxtarenal aortic expansion precluded simple stent-graft placement. He underwent hepato-spleno-renal bypass followed by stent-graft placement just below the superior mesenteric artery...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29147155/endovascular-stent-graft-repair-of-a-persistent-sciatic-artery-aneurysm
#10
Hayato Fukuda, Seiji Onitsuka, Shohei Yoshida, Yuichiro Hirata, Shinichi Hiromatsu, Hiroyuki Tanaka
Persistent sciatic artery (PSA) is a rare anomaly that may cause various symptoms, such as aneurysm, rupture, thromboembolism, and sciatica. Direct surgery can be performed to treat PSA aneurysm (PSAA), but is associated with complications; e.g., anatomical problems such as sciatic nerve injury. Herein we report a case of a 74-year-old woman with acute limb ischemia that developed from a distal embolism caused by a thrombus in the left PSAA; favorable results were obtained for her by treatment with a stent-graft after rapid anticoagulation therapy for limb salvage...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29147149/endovascular-treatment-of-infrarenal-isolated-abdominal-aortic-dissection-with-application-of-the-kissing-stents-technique-a-case-report-and-review-of-the-literature
#11
Georgios Sahsamanis, Georgios Vourliotakis, Konstantinos Maltezos, Georgios Plakas, Vasileios Tzilalis
Isolated abdominal aortic dissection (IAAD) is a rare form of aortic dissection involving usually the infrarenal part of the abdominal aorta. A 45-year-old male presented with lumbar pain and claudication. Computed tomography angiography (CTA) revealed an infrarenal IAAD extending to the left external iliac artery (EIA), causing ≥90% narrowing of the lumen. An endovascular approach was decided, with deployment of an aortic stent-graft and two balloon expandable stents in both common iliac arteries (IAs), applying the kissing stents technique...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29146831/stent-assisted-coiling-of-cerebral-aneurysms-a-single-center-clinical-and-angiographic-analysis
#12
Jun Wang, Jan Vargas, Alejandro Spiotta, Imran Chaudry, Raymond D Turner, Jonathan Lena, Aquilla Turk
OBJECTIVE: This study retrospectively compared the clinical and angiographic outcomes of treating cerebral aneurysms with Neuroform (NEU), Enterprise (EP), and Low-profile Visualized Intraluminal Support (LVIS/LVIS Jr) stents. MATERIALS AND METHODS: We conducted a retrospective analysis of a procedural database. All aneurysm procedures using any of the three types of self-expanding nitinol stents (NEU, EP and LVIS/LVIS Jr) were included. Intra-procedure complications, post-procedure complications, and angiographic results (Raymond-Roy grade scale, RRGS) were analyzed retrospectively...
November 16, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29146726/endovascular-rescue-treatment-through-stent-positioning-after-surgical-clipping-of-intracranial-aneurysms-complicated-by-parent-artery-obstruction
#13
Giovanni Vitale, Giacomo Talenti, Joseph Gabrieli, Giacomo Cester, Alessandro Della Puppa, Francesco Causin
During aneurysm clipping, ischemic complications may occur and require a rescue treatment, usually surgical. We present two such cases that required urgent rescue treatment, performed through an endovascular route. Our first case presented with a non-ruptured right posterior inferior cerebellar artery (PICA) aneurysm. After permanent clip positioning, occlusion of the PICA occurred. An unsuccessful attempt of clip repositioning was performed. We therefore positioned a stent obtaining complete flow restoration...
November 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29146671/predictors-and-long-term-clinical-outcome-of-longitudinal-stent-deformation-insights-from-pooled-analysis-of-korean-multicenter-drug-eluting-stent-cohort
#14
Tae-Min Rhee, Kyung Woo Park, Joo Myung Lee, Michael S Lee, Ki-Hyun Jeon, Hyun-Jae Kang, Bon-Kwon Koo, Jay Young Rhew, Kwang Soo Cha, Jang-Ho Bae, Kyoo-Rok Han, Si-Hoon Park, Woo-Jung Park, Seung-Woon Rha, Seok-Kyu Oh, Hyuck Moon Kwon, Ki-Bae Seung, Taehoon Ahn, Sang-Hyun Kim, Hyo-Soo Kim
BACKGROUND: There are limited data on the frequency of and factors associated with quantitative coronary angiography (QCA)-defined longitudinal stent deformation (LSD) in various contemporary drug-eluting stents platforms. This study sought to evaluate the predictors of LSD and its long-term clinical implication. METHODS AND RESULTS: A patient-level pooled analysis was performed with 7350 lesions in 5871 patients treated with platinum-chromium-based everolimus-eluting stent (Promus Element), cobalt-chromium-based everolimus-eluting stent (Promus/Xience V), or cobalt-chromium-based zotarolimus-eluting stent (Endeavor Resolute)...
November 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29146484/association-between-ischemic-and-bleeding-risk-scores-and-the-use-of-new-p2y12-inhibitors-in-patients-with-acute-coronary-syndrome
#15
Pedro J Flores-Blanco, Francisco Cambronero-Sánchez, Sergio Raposeiras-Roubin, Emad Abu-Assi, Gunnar Leithold, Rafael Cobas-Paz, Ana I Rodríguez Serrano, Francisco Calvo-Iglesias, Mariano Valdés, James L Januzzi, Andrés Iñiguez-Romo, Sergio Manzano-Fernández
INTRODUCTION AND OBJECTIVES: Acute coronary syndrome (ACS) guidelines recommend the use of newer P2Y12 inhibitors (prasugrel and ticagrelor) over clopidogrel in patients with moderate-to-high ischemic risk, unless they have an increased bleeding risk. The aim of our study was to assess the GRACE risk score and the CRUSADE bleeding risk score relative to prescription of newer P2Y12 inhibitors at discharge in ACS patients. METHODS: Retrospective analysis of a multicenter ACS registry; 3515 consecutive patients were included...
November 13, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29146434/cerebral-hyperperfusion-syndrome-after-endovascular-reperfusion-therapy-in-a-patient-with-acute-internal-carotid-artery-and-middle-cerebral-artery-occlusions
#16
Tetsuya Hashimoto, Shoji Matsumoto, Mitsushige Ando, Hideo Chihara, Atsushi Tsujimoto, Taketo Hatano
BACKGROUND: Cerebral hyperperfusion syndrome (CHS) is known to be a rare but devastating complication of carotid artery revascularization. Because patients with acute ischemic stroke due to acute major cerebral and/or cervical artery occlusion treated with endovascular reperfusion therapy may have impaired autoregulation in the cerebral vasculature, these patients may also develop CHS. Despite the growing number of endovascular reperfusion procedures for acute ischemic stroke, this complication has only rarely been reported...
November 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29146303/comparison-of-intravesical-cohen-and-extravesical-lich-gregoir-ureteroneocystostomy-in-the-treatment-of-unilateral-primary-vesicoureteric-reflux-in-children
#17
Mesrur Selcuk Silay, Turgay Turan, Yunus Kayalı, İsmail Başıbüyük, Bilal Gunaydin, Turhan Caskurlu, M İhsan Karaman
INTRODUCTION: Various intravesical and extravesical techniques have been described for the surgical correction of vesicoureteral reflux (VUR). Among those techniques Cohen (intra-vesical) and Lich-Gregoir (extra-vesical) are the most commonly used ones. However, there are limited studies that compare those two surgical techniques in the literature. OBJECTIVE: In this study, we aim to compare the outcomes of the open intravesical and extravesical procedures for unilateral primary VUR in children...
October 14, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29146240/channelled-tablets-an-innovative-approach-to-accelerating-drug-release-from-3d-printed-tablets
#18
Muzna Sadia, Basel Arafat, Waqar Ahmed, Robert E Forbes, Mohamed A Alhnan
Conventional immediate release dosage forms involve compressing the powder with a disintegrating agent that enables rapid disintegration and dissolution upon oral ingestion. Among 3D printing technologies, the fused deposition modelling (FDM) 3D printing technique has considerable potential for patient-specific dosage form. However, the use of FDM 3D printing in tablet manufacturing requires large portion of polymer, which slows down drug release through erosion and diffusion mechanisms. In this study, we demonstrate for the first time the use of a novel design approach of caplets with perforating channels to accelerate drug release from 3D printed tablets...
November 13, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29146107/cardiovascular-anatomy-in-children-with-bidirectional-glenn-anastomosis-regarding-the-transcatheter-fontan-completion
#19
Aleksander Sizarov, Francesca Raimondi, Damien Bonnet, Younes Boudjemline
BACKGROUND: Transcatheter stent-secured completion of total cavopulmonary connection (TCPC) after surgical preparations during the Glenn anastomosis procedure has been reported, but complications from this approach have precluded its clinical acceptance. AIMS: To analyse cardiovascular morphology and dimensions in children with bidirectional Glenn anastomosis, regarding the optimal device design for transcatheter Fontan completion without special surgical "preconditionings"...
November 13, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/29146096/ten-year-review-of-isolated-spontaneous-mesenteric-arterial-dissections
#20
Courtney E Morgan, Neel A Mansukhani, Mark K Eskandari, Heron E Rodriguez
OBJECTIVE: Isolated spontaneous dissection of the superior mesenteric artery (SMA) and celiac artery (CA) remains a rare condition; however, it has been increasingly noted incidentally on diagnostic imaging. The purpose of this study was to examine the natural history and outcomes of patients presenting with isolated spontaneous mesenteric artery dissection (SMAD). We hypothesized that most SMADs can be treated nonoperatively. METHODS: This was a single-center retrospective review of patients presenting with the diagnosis of SMAD between 2006 and 2016...
November 13, 2017: Journal of Vascular Surgery
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