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Chronic occlusion

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https://www.readbyqxmd.com/read/28340226/chronic-total-occlusion-a-black-box
#1
I Akin, M Borggrefe
No abstract text is available yet for this article.
March 18, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339414/update-on-the-application-of-optic-nerve-sheath-fenestration
#2
Hui Chen, Qian Zhang, Song Tan, Huazhu Fu, Bradley K Farris, Zhenglin Yang
BACKGROUND: With the ongoing development of surgical procedures and instruments, the safety of optic nerve sheath fenestration (ONSF) has been improved. OBJECTIVE: Through the past three decades, progress has been made in preventing visual loss from chronic optic nerve swelling in idiopathic intracranial hypertension (IIH), secondary intracranial hypertension and local optic nerve diseases. We now review the updated application of ONSF in those diseases. METHODS: The application of ONSF in papilledema due to IIH, secondary intracranial hypertension to cerebral venous sinus occlusion, Cryptococcal meningitis, and intracranial mass or tumors is reviewed...
March 23, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28330969/influence-of-the-coronary-circulation-on-thermal-tolerance-and-cardiac-performance-during-warming-in-rainbow-trout
#3
Andreas Ekström, Michael Axelsson, Albin Gräns, Jeroen Brijs, Erik Sandblom
Thermal tolerance in fish may be related to an oxygen limitation of cardiac function. While the hearts of some fish species receive oxygenated blood via a coronary circulation, the influence of this oxygen supply on thermal tolerance and cardiac performance during warming remain unexplored. Here, we analyzed the effect in vivo of acute warming on coronary blood flow in adult sexually mature rainbow trout (Onchorhynchus mykiss), and the consequences of chronic coronary ligation on cardiac function and thermal tolerance in juvenile trout...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28329410/long-term-outcome-after-a-treosulfan-based-conditioning-regimen-for-patients-with-acute-myeloid-leukemia-a-report-from-the-acute-leukemia-working-party-of-the-european-society-for-blood-and-marrow-transplantation
#4
Arnon Nagler, Myriam Labopin, Dietrich Beelen, Fabio Ciceri, Liisa Volin, Avichai Shimoni, Roberto Foá, Noel Milpied, Jacopo Peccatori, Emmanuelle Polge, Audrey Mailhol, Mohamad Mohty, Bipin N Savani
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) is a curative therapy for patients with acute myeloid leukemia (AML). However, post-HCT relapse and regimen-related toxicity remain significant barriers to long-term survival. In recent years, new conditioning regimens have been explored to improve transplantation outcomes in patients with AML. Treosulfan combines a potent immunosuppressive and antileukemic effect with a low toxicity profile. METHODS: To investigate the role of treosulfan-based conditioning, the European Society for Blood and Marrow Transplantation Acute Leukemia Working Party performed a registry analysis of 520 adult patients with AML who received treosulfan-based conditioning and underwent HCT between 2000 and 2012, including 225 patients in first complete remission, 107 in second or later complete remission, and 188 with active/advanced disease 188 (88 with primary refractory disease)...
March 22, 2017: Cancer
https://www.readbyqxmd.com/read/28329344/bas-relief-in-three-dimensional-optical-coherence-tomography-a-novel-sign-after-subintimal-scaffolding-in-a-chronic-total-occlusion
#5
Carlos Cortés, Milosz Jaguszewski, Ignacio J Amat-Santos, Juan Luis Gutiérrez-Chico
No abstract text is available yet for this article.
March 17, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28325520/percutaneous-revascularization-of-coronary-chronic-total-occlusion-toward-a-reappraisal-of-the-available-evidence
#6
REVIEW
Pasi P Karjalainen, Wail Nammas
Chronic total occlusion (CTO) is a challenging subset of coronary artery disease that is commonly encountered in real-world practice; it is associated with worse long-term prognosis. Observational studies suggest that percutaneous coronary intervention (PCI) for CTO is associated with reduction in myocardial ischemia and improvement in quality of life and left ventricular function. Some observational studies suggested that CTO-PCI is associated with improvement of the 'hard' clinical endpoints; others did not...
March 18, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28323841/detection-of-crossed-cerebellar-diaschisis-in-hyperacute-ischemic-stroke-using-arterial-spin-labeled-mr-imaging
#7
Koung Mi Kang, Chul-Ho Sohn, Seung Hong Choi, Keun-Hwa Jung, Roh-Eul Yoo, Tae Jin Yun, Ji-Hoon Kim, Sun-Won Park
BACKGROUND AND PURPOSE: Arterial spin-labeling (ASL) was recently introduced as a noninvasive method to evaluate cerebral hemodynamics. The purposes of this study were to assess the ability of ASL imaging to detect crossed cerebellar diaschisis (CCD) in patients with their first unilateral supratentorial hyperacute stroke and to identify imaging or clinical factors significantly associated with CCD. MATERIALS AND METHODS: We reviewed 204 consecutive patients who underwent MRI less than 8 hours after the onset of stroke symptoms...
2017: PloS One
https://www.readbyqxmd.com/read/28318139/chronic-total-occlusion-is-associated-with-a-higher-incidence-of-malapposition-and-uncovered-stent-struts-oct-findings-at-6-months-following-des-implantation
#8
Haibo Jia, Sining Hu, Huimin Liu, Yinchun Zhu, Chun-Yang Zhe, Lulu Li, Irina Mustafina, Jingbo Hou, Shaosong Zhang, Bo Yu
OBJECTIVES: To compare stent coverage and malapposition in patients with chronic total occlusion (CTO) lesions and non-CTO lesions (including lipid-rich plaque [LRP] and non-lipid-rich plaque [non-LRP]) after drug-eluting stent (DES) implantation by optical coherence tomography (OCT). BACKGROUND: Different initial lesion characteristics may be related to heterogeneous vessel responses after DES implantation. However, the vessel response in patients with CTO and non-CTO lesions after stenting is unclear...
March 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28318134/long-term-clinical-outcomes-of-successful-revascularization-with-drug-eluting-stents-for-chronic-total-occlusions-a-systematic-review-and-meta-analysis
#9
Lei Gao, Yabin Wang, Yuqi Liu, Feng Cao, Yundai Chen
OBJECTIVES: To determine whether successful percutaneous coronary intervention (PCI) using drug-eluting stents (DESs) have beneficial effects on long-term outcomes in patients with chronic total occlusions (CTOs) compared with failed PCIs for CTOs. BACKGROUND: Several observational studies have evaluated the long-term clinical outcomes of successful PCIs using DESs for CTOs. However, the results of these studies were inconsistent and inconclusive. METHODS: We searched five online electronic databases to identify all the publications assessing the long-term outcomes of successful and failed PCIs using DESs for CTOs...
March 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28316035/management-of-percutaneous-coronary-intervention-complications
#10
REVIEW
Gregory Means, Christopher End, Prashant Kaul
With the recent increase in complex coronary interventions including percutaneous coronary intervention (PCI) for chronic total occlusions and complex higher risk (and indicated) patients, the spectrum of potential periprocedural complications and their prompt management has become even more relevant. Vascular access-related problems remain the most prevalent of all PCI complications and with randomized controlled trial data from over 20,000 patients supporting the superiority of radial over femoral access in reducing bleeding and vascular complications, a default radial strategy should be promoted...
April 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28316030/a-new-ct-score-as-index-of-hemodynamic-changes-in-patients-with-chronic-thromboembolic-pulmonary-hypertension
#11
Maria Barbara Leone, Marica Giannotta, Massimiliano Palazzini, Mariano Cefarelli, Sofia Martìn Suàrez, Enrico Gotti, Maria Letizia Bacchi Reggiani, Maurizio Zompatori, Nazzareno Galiè
PURPOSE: The aim of this study was to retrospectively assess the relationship between radiological and hemodynamic parameters in patients with chronic thromboembolic pulmonary hypertension (CTEPH). We introduced a new CT-score to evaluate hemodynamic changes, only employing CT-pulmonary angiography (CTPA). MATERIALS AND METHODS: 145 patients affected by CTEPH underwent hemodynamic and CTPA evaluation. Among these 145 patients, 69 underwent pulmonary endarterectomy (PEA) and performed a CTPA evaluation even after surgery...
March 18, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28315181/update-on-the-management-of-chronic-total-occlusions-in-coronary-artery-disease
#12
REVIEW
Kathleen Kearney, Ravi S Hira, Robert F Riley, Arun Kalyanasundaram, William L Lombardi
PURPOSE OF THE REVIEW: Chronic total occlusions (CTOs) are found in about a third of patients with coronary artery disease (CAD) and can pose a significant challenge during percutaneous revascularization. However, advances in CTO percutaneous coronary intervention (PCI) strategies, devices, and algorithms have led to significant improvements in successful treatment of CTOs. This review summarizes current management of CTOs in the context of modern PCI techniques and current evidence. RECENT FINDINGS: The hybrid algorithm now provides a standardized, teachable approach to CTO PCI, and success rates are approximately 90% in experienced hands...
April 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28314674/further-validation-of-the-hybrid-algorithm-for-cto-pci-difficult-lesions-same-success
#13
Mir B Basir, Aris Karatasakis, Mohammad Alqarqaz, Barbara Danek, Bavana V Rangan, Emmanouil S Brilakis, Henry Kim, William W O'Neill, Khaldoon Alaswad
OBJECTIVES: To evaluate the success rates and outcome of the hybrid algorithm for chronic total occlusion (CTO) percutaneous coronary intervention (PCI) by a single operator in two different clinical settings. METHODS: We compared 279 consecutive CTO PCIs performed by a single, high-volume operator using the hybrid algorithm in two different clinical settings. Data were collected through the PROGRESS CTO Registry. We compared 145 interventions performed in a community program (cohort A) with 134 interventions performed in a referral center (cohort B)...
February 22, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28314672/fenestration-of-a-papyrus-pk-covered-stent-to-recover-the-occluded-left-main-bifurcation-after-sealing-a-left-main-perforation-during-a-cto-procedure
#14
Gerald S Werner, Waqar H Ahmed
Covered stents are indicated for coronary perforations, but they may seal off major side branches in that process. We report the successful sealing of an ostial left main perforation, induced by a guide catheter in the course of a retrograde approach to treat a chronic total occlusion (CTO) of the right coronary artery (RCA) in a 76year old woman with prior CABG. The implanted Papyrus covered stent, however, overlapped the left main bifurcation and occluded the non-grafted circumflex artery (CX) resulting in acute ischemia...
March 6, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28303648/subadventitial-techniques-for-chronic-total-occlusion-percutaneous-coronary-intervention-the-concept-of-vessel-architecture
#15
Lorenzo Azzalini, Mauro Carlino, Emmanouil S Brilakis, Minh Vo, Stéphane Rinfret, Barry F Uretsky, Dimitri Karmpaliotis, Antonio Colombo
Despite improvements in guidewire technologies, the traditional antegrade wire escalation approach to chronic total occlusion (CTO) recanalization is successful in only 60-80% of selected cases. In particular, long, calcified, and tortuous occlusions are less successfully approached with a true-to-true lumen approach. Frequently, the guidewire tracks into the subadventitial space, with no guarantee of distal re-entry into the true lumen. The ability to manage the subadventitial space has been a key step in the tremendous improvement in success rates of contemporary CTO percutaneous coronary intervention (PCI), whether operating antegradely or retrogradely...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28301517/association-of-lower-urinary-tract-syndrome-with-peripheral-arterial-occlusive-disease
#16
Wei-Yu Lin, Karl-Erik Andersson, Cheng-Li Lin, Chia-Hung Kao, Hsi-Chin Wu
PURPOSE: To describe atherosclerosis may lead to chronic bladder ischemia, eventually resulting in lower urinary tract syndrome (LUTS), and peripheral arterial occlusive disease (PAOD). We investigated the association of LUTS with PAOD. METHODS: This nationwide population-based cohort study was based on data from the Taiwan National Health Insurance Database from 2000 to 2010; follow-up lasted until the end of 2011. We identified patients with newly diagnosed LUTS by using International Classification of Diseases, Ninth Revision, Clinical Modification codes...
2017: PloS One
https://www.readbyqxmd.com/read/28298825/comparative-evaluation-of-the-efficacy-of-synthetic-nanocrystalline-hydroxyapatite-bone-graft-ostim-%C3%A2-and-synthetic-microcrystalline-hydroxyapatite-bone-graft-osteogen-%C3%A2-in-the-treatment-of-human-periodontal-intrabony-defects-a-clinical-and-denta-scan-study
#17
Monika Kamboj, Ruchika Arora, Harinder Gupta
BACKGROUND: To evaluate the relative efficacy of synthetic nanocrystalline hydroxyapatite (HA) (Ostim(®)) and microcrystalline HA (Osteogen(®)) bone grafts in the treatment of human periodontal intrabony defects clinically and radiographically through denta scan. MATERIALS AND METHODS: Ten chronic periodontitis patients with bilateral intrabony periodontal defects of ≥2 mm radiographic defect depth below 55 years of age were selected randomly and treated with synthetic nanocrystalline HA (Ostim(®)) or synthetic microcrystalline HA (Osteogen(®)) bone graft...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28296640/the-syntax-score-for-chronic-total-occlusions-building-a-better-mousetrap
#18
EDITORIAL
Salman A Arain, H Vernon Anderson
No abstract text is available yet for this article.
March 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28296639/impact-of-chronic-total-occlusions-on-revascularization-scores-and-outcome-prediction
#19
Björn Redfors, Tullio Palmerini, Adriano Caixeta, Girma Minalu Ayele, Dominic P Francese, Roxana Mehran, Emmanouil S Brilakis, Ajay J Kirtane, Dimitri Karmpaliotis, Gregg W Stone, Philippe Généreux
OBJECTIVES: To evaluate the contribution of chronic total occlusion (CTO)-related SYNTAX score (SS) to the overall SS for patients with CTO and compare the traditional SS to a simplified variant. The SS algorithm assigns CTO lesions a greater weight (5× points) than non-CTO lesions (50% to <100% diameter stenosis; 2× points). METHODS: We calculated the SS and the simplified SS (2× points also to CTO lesions) for 4356 patients from the angiographic substudy of the Acute Catheterization and Urgent Intervention Triage StrategY (ACUITY) trial...
March 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28296045/one-year-outcomes-after-successful-chronic-total-occlusion-percutaneous-coronary-intervention
#20
W M Wilson, S J Walsh, A Bagnall, A T Yan, C G Hanratty, M Egred, E Smith, K G Oldroyd, M McEntegart, J Irving, H Douglas, J Strange, J C Spratt
We aimed to determine clinical outcomes 1 year after successful chronic total occlusion (CTO) PCI and, in particular, whether use of dissection and re-entry strategies affects clinical outcomes. Hybrid approaches have increased the procedural success of CTO percutaneous coronary intervention (PCI) but longer-term outcomes are unknown, particularly in relation to dissection and re-entry techniques. Data were collected for consecutive CTO PCIs performed by hybrid-trained operators from 7 United Kingdom (UK) centres between 2012 and 2014...
March 15, 2017: Catheterization and Cardiovascular Interventions
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