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Ziad Ali

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https://www.readbyqxmd.com/read/29216976/ivus-guided-versus-oct-guided-coronary%C3%A2-stent-implantation-a-critical-appraisal
#1
REVIEW
Akiko Maehara, Mitsuaki Matsumura, Ziad A Ali, Gary S Mintz, Gregg W Stone
Procedural guidance with intravascular ultrasound (IVUS) imaging improves the clinical outcomes of patients undergoing percutaneous coronary intervention (PCI) by: 1) informing the necessity for lesion preparation; 2) directing appropriate stent sizing to maximize the final stent area and minimize geographic miss; 3) selecting the optimal stent length to cover residual disease adjacent to the lesion, thus minimizing geographic miss; 4) guiding optimal stent expansion; 5) identifying acute complications (edge dissection, stent malapposition, tissue protrusion); and 6) clarifying the mechanism of late stent failure (stent thrombosis, neointimal hyperplasia, stent underexpansion or fracture, or neoatherosclerosis)...
December 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29203037/near-infrared-perfusion-assessment-of-gastric-conduit-during-minimally-invasive-ivor-lewis-esophagectomy
#2
Brian G A Dalton, Abubaker A Ali, Marie Crandall, Ziad T Awad
INTRODUCTION: Anastomotic leak and conduit necrosis are devastating complications following Ivor Lewis esophagectomy. Near infrared imaging (NIR) using IndoCyanine Green allows for real time tissue perfusion assessment which may reduce anastomotic leak during minimally invasive Ivor Lewis esophagectomy (MIE). METHODS: Forty consecutive MIE were performed by a single surgeon at a tertiary referral center. The first 20 were assessed for gastric conduit perfusion by clinical criteria (Group 1)...
November 28, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/29176335/acute-angle-closure-glaucoma-as-a-first-presentation-of-coats-disease-a-case-report
#3
Mazen Amro, Ali A Haydar, Sylvain El-Khoury, Karim F Tomey, George Cherfan, Ziad Khoueir
PURPOSE: To report an unusual first manifestation of Coats' disease presenting as an acute angle closure glaucoma attack in an adult patient. PATIENTS AND METHODS: A 37-year-old African woman presented to the emergency department with severe headache, ocular pain, and no light perception (NLP) in the left eye. The left pupil was mid-dilated and nonreactive, and the intraocular pressure by applanation tonometry was 47▒mm Hg. Slit-lamp examination revealed anterior subcapsular opacification (glaukomflecken), posterior synechiae, and total angle closure with iris-bombé...
November 23, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/29138364/retrograde-cto-pci-of-native-coronary-arteries-via-left-internal-mammary-artery-grafts-insights-from-a-multicenter-u-s-registry
#4
Peter Tajti, Aris Karatasakis, Dimitri Karmpaliotis, Khaldoon Alaswad, Farouc A Jaffer, Robert W Yeh, Mitul Patel, Ehtisham Mahmud, James W Choi, Anthony H Doing, Catalin Toma, Barry Uretsky, Santiago Garcia, Jeffrey W Moses, Manish Parikh, Ajay Kirtane, Ziad A Ali, Raja Hatem, Judit Karacsonyi, Barbara A Danek, Bavana V Rangan, Subhash Banerjee, Imre Ungi, Emmanouil S Brilakis
BACKGROUND: Retrograde percutaneous coronary intervention (PCI) of native coronary artery chronic total occlusion (CTO) via left internal mammary artery (LIMA) graft has received limited study. METHODS AND RESULTS: We compared the clinical and procedural characteristics and outcomes of retrograde CTO-PCI through LIMA grafts vs other conduits in a contemporary multicenter CTO registry. The LIMA was used as the collateral channel in 20 of 990 retrograde CTO-PCIs (2...
November 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29089314/three-year-outcomes-with-the-absorb-bioresorbable-scaffold-individual-patient-data-meta-analysis-from-the-absorb-randomized-trials
#5
Ziad A Ali, Runlin F Gao, Takeshi Kimura, Yoshinobu Onuma, Dean J Kereiakes, Stephen G Ellis, Bernard Chevalier, Minh-Thien Vu, Zhen Zhang, Charles A Simonton, Patrick W Serruys, Gregg W Stone
BACKGROUND : The Absorb bioresorbable vascular scaffold (BVS) completely resorbs within 3 years after coronary artery implantation. The safety and effectiveness of BVS through this critical 3-year period have not been characterized. METHODS : We performed an individual-patient-data pooled meta-analysis of the 4 randomized ABSORB trials in which 3389 patients with coronary artery disease were randomly assigned to everolimus-eluting Absorb BVS (n=2164) or cobalt-chromium everolimus-eluting stents (n=1225). The primary efficacy outcome measure was target lesion failure (cardiac mortality, target vessel myocardial infarction, or ischemia-driven target lesion revascularization), and the primary safety outcome measure was device thrombosis...
October 31, 2017: Circulation
https://www.readbyqxmd.com/read/29055617/qualitative-and-quantitative-radiological-analysis-of-non-contrast-ct-is-a-strong-indicator-in-patients-with-acute-pyelonephritis
#6
Fadi El-Merhi, May Mohamad, Ali Haydar, Lena Naffa, Rami Nasr, Nadine Hamieh, Ziad Tayara, Charbel Saade
OBJECTIVE: To evaluate the performance of non-contrast computed tomography (CT) by reporting the difference in attenuation between normal and inflamed renal parenchyma in patients clinically diagnosed with acute pyelonephritis (APN). MATERIAL AND METHODS: This is a retrospective study concerned with non-contrast CT evaluation of 74 patients, admitted with a clinical diagnosis of APN and failed to respond to 48h antibiotics treatment. Mean attenuation values in Hounsfield units (HU) were measured in the upper, middle and lower segments of the inflamed and the normal kidney of the same patient...
September 18, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28942939/relation-of-coronary-flow-reserve-to-other-findings-on-positron-emission-tomography-myocardial-perfusion-imaging-and-left-heart-catheterization-in-patients-with-end-stage-renal-disease-being-evaluated-for-kidney-transplant
#7
Yehuda Paz, Rachelle Morgenstern, Richard Weinberg, Mariana Chiles, Navdeep Bhatti, Ziad Ali, Sumit Mohan, Sabahat Bokhari
Cardiovascular disease is the leading cause of death in patients with end-stage renal disease (ESRD) and often goes undetected. Abnormal coronary flow reserve (CFR), which predicts increased risk of cardiac death, may be present in patients with ESRD without other evidence of coronary artery disease (CAD). We prospectively studied 131 patients who had rest and dipyridamole pharmacologic stress N(13)-ammonia positron emission tomography myocardial perfusion imaging (PET MPI) for kidney transplant evaluation...
August 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28899003/the-science-of-stents-angioplasty-turns-40
#8
Ziad A Ali
No abstract text is available yet for this article.
August 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28826896/incidence-treatment-and-outcomes-of-coronary-perforation-during-chronic-total-occlusion-percutaneous-coronary-intervention
#9
MULTICENTER STUDY
Barbara Anna Danek, Aris Karatasakis, Peter Tajti, Yader Sandoval, Dimitri Karmpaliotis, Khaldoon Alaswad, Farouc Jaffer, Robert W Yeh, David E Kandzari, Nicholas J Lembo, Mitul P Patel, Ehtisham Mahmud, James W Choi, Anthony H Doing, William L Lombardi, R Michael Wyman, Catalin Toma, Santiago Garcia, Jeffrey W Moses, Ajay J Kirtane, Raja Hatem, Ziad A Ali, Manish Parikh, Judit Karacsonyi, Bavana V Rangan, Houman Khalili, M Nicholas Burke, Subhash Banerjee, Emmanouil S Brilakis
Coronary perforation is a potential complication of chronic total occlusion (CTO) percutaneous coronary intervention (PCI). We analyzed 2,097 CTO PCIs performed in 2,049 patients from 2012 to 2017. Patient age was 65 ± 10 years, 85% were men, and 36% had prior coronary artery bypass graft surgery. Technical and procedural success were 88% and 87%, respectively. A major periprocedural adverse cardiovascular event occurred in 2.6%. Coronary perforation occurred in 85 patients (4.1%); The frequency of Ellis class 1, 2, and 3 perforations was 21%, 26%, and 52%, respectively...
October 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28797412/optical-coherence-tomography-characterization-of-coronary-lithoplasty-for-treatment-of-calcified-lesions-first-description
#10
Ziad A Ali, Todd J Brinton, Jonathan M Hill, Akiko Maehara, Mitsuaki Matsumura, Keyvan Karimi Galougahi, Uday Illindala, Matthias Götberg, Robert Whitbourn, Nicolas Van Mieghem, Ian T Meredith, Carlo Di Mario, Jean Fajadet
OBJECTIVES: This study sought to determine the mechanistic effects of a novel balloon-based lithoplasty system on heavily calcified coronary lesions and subsequent stent placement using optical coherence tomography (OCT). BACKGROUND: The Shockwave Coronary Rx Lithoplasty System (Shockwave Medical, Fremont, California) delivers localized, lithotripsy-enhanced disruption of calcium within the target lesion (i.e., lithoplasty) for vessel preparation before stent implantation...
August 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28741573/novel-radiation-dose-reduction-fluoroscopic-technology-facilitates-chronic-total-occlusion-percutaneous-coronary-interventions
#11
Stephen Balter, Matthew Brinkman, Sanjog Kalra, Tamim Nazif, Manish Parikh, Ajay J Kirtane, Jeffrey Moses, Martin B Leon, Angeli Feri, Philip Green, Ziad A Ali, Ming Liao, Dimitrios Karmpaliotis
AIMS: Radiation exposure and prolonged procedure time continue to limit the complexity of CTO-PCI procedures attempted. This study aimed assess the impact of radiation-dose-limiting equipment on radiation dosage and fluoroscopic time in chronic total occlusion (CTO) percutaneous coronary interventions (PCI). METHODS AND RESULTS: Retrospective clinical and dosimetric data from diagnostic catheterizations (DXC) and CTO-PCI procedures performed on one of three variants of interventional fluoroscopic equipment were collected...
July 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28732815/2-year-outcomes-with-the-absorb-bioresorbable-scaffold-for-treatment-of-coronary-artery-disease-a-systematic-review-and-meta-analysis-of-seven-randomised-trials-with-an-individual-patient-data-substudy
#12
Ziad A Ali, Patrick W Serruys, Takeshi Kimura, Runlin Gao, Stephen G Ellis, Dean J Kereiakes, Yoshinobu Onuma, Charles Simonton, Zhen Zhang, Gregg W Stone
BACKGROUND: Bioresorbable vascular scaffolds (BVS) offer the potential to improve long-term outcomes of percutaneous coronary intervention after their complete bioresorption. Randomised trials have shown non-inferiority between BVS and metallic drug-eluting stents at 1 year in composite safety and effectiveness outcomes, although some increases in rates of target vessel-related myocardial infarction and device thrombosis were identified. Outcomes of BVS following the first year after implantation are unknown...
August 19, 2017: Lancet
https://www.readbyqxmd.com/read/28668625/plasma-activated-coating-immobilizes-apolipoprotein-a-i-to-stainless-steel-surfaces-in-its-bioactive-form-and-enhances-biocompatibility
#13
Laura Z Vanags, Joanne T M Tan, Miguel Santos, Praveesuda S Michael, Ziad Ali, Marcela M M Bilek, Steven G Wise, Christina A Bursill
We utilized a plasma activated coating (PAC) to covalently bind the active component of high density lipoproteins (HDL), apolipoprotein (apo) A-I, to stainless steel (SS) surfaces. ApoA-I suppresses restenosis and thrombosis and may therefore improve SS stent biocompatibility. PAC-coated SS significantly increased the covalent attachment of apoA-I, compared to SS alone. In static and dynamic flow thrombosis assays, PAC+apoA-I inhibited thrombosis and reduced platelet activation marker p-selectin. PAC+apoA-I reduced smooth muscle cell attachment and proliferation, and augmented EC attachment to PAC...
October 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28570257/the-impact-of-proximal-vessel-tortuosity-on-the-outcomes-of-chronic-total-occlusion-percutaneous-coronary-intervention-insights-from-a-contemporary-multicenter-registry
#14
Judit Karacsonyi, Dimitri Karmpaliotis, Khaldoon Alaswad, Farouc A Jaffer, Robert W Yeh, Mitul Patel, Ehtisham Mahmud, Anthony Doing, Catalin Toma, Barry Uretsky, James Choi, Jeffrey W Moses, Ajay Kirtane, Manish Parikh, Ziad Ali, William L Lombardi, David E Kandzari, Nicholas Lembo, Santiago Garcia, Michael R Wyman, Jose R Martinez-Parachini, Aris Karatasakis, Barbara A Danek, Aya J Alame, Erica Resendes, Bavana V Rangan, Imre Ungi, Craig A Thompson, Subhash Banerjee, Emmanouil S Brilakis
INTRODUCTION: We examined the impact of proximal vessel tortuosity on the outcomes of chronic total occlusion (CTO) percutaneous coronary intervention (PCI). METHODS: The baseline clinical and angiographic characteristics and procedural outcomes of 1618 consecutive CTO-PCIs performed between 2012 and 2016 at 14 United States centers in 1589 patients were reviewed. RESULTS: Mean patient age was 65.3 ± 10.0 years and 85% were men. Moderate/severe proximal vessel tortuosity was present in 35...
August 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28522698/oligogalacturonic-acid-inhibits-vascular-calcification-by-two-mechanisms-inhibition-of-vascular-smooth-muscle-cell-osteogenic-conversion-and-interaction-with-collagen
#15
Ahmed Hodroge, Eric Trécherel, Marjorie Cornu, Walaa Darwiche, Ali Mansour, Katia Ait-Mohand, Thomas Verissimo, Cathy Gomila, Carole Schembri, Sophie Da Nascimento, Redouan Elboutachfaiti, Agnès Boullier, Emmanuel Lorne, Josiane Courtois, Emmanuel Petit, Sylvestre Toumieux, José Kovensky, Pascal Sonnet, Ziad A Massy, Saïd Kamel, Claire Rossi, Jérôme Ausseil
OBJECTIVE: Cardiovascular diseases constitute the leading cause of mortality worldwide. Calcification of the vessel wall is associated with cardiovascular morbidity and mortality in patients having many diseases, including diabetes mellitus, atherosclerosis, and chronic kidney disease. Vascular calcification is actively regulated by inductive and inhibitory mechanisms (including vascular smooth muscle cell adaptation) and results from an active osteogenic process. During the calcification process, extracellular vesicles (also known as matrix vesicles) released by vascular smooth muscle cells interact with type I collagen and then act as nucleating foci for calcium crystallization...
July 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28521919/intravascular-ultrasound-analysis-of-intraplaque-versus-subintimal-tracking-in-percutaneous-intervention-for-coronary-chronic-total-occlusions-and-association-with-procedural-outcomes
#16
Lei Song, Akiko Maehara, Matthew T Finn, Sanjog Kalra, Jeffrey W Moses, Manish A Parikh, Ajay J Kirtane, Michael B Collins, Tamim M Nazif, Khady N Fall, Raja Hatem, Ming Liao, Tiffany Kim, Philip Green, Ziad A Ali, Candido Batres, Martin B Leon, Gary S Mintz, Dimitri Karmpaliotis
OBJECTIVES: Using intravascular ultrasound (IVUS), the authors compared outcomes by observed wire position (intraplaque vs. subintimal) achieved during successful chronic total occlusion (CTO) lesion treatment. BACKGROUND: Recent successes in CTO percutaneous coronary intervention (PCI) have used both intraluminal and subintimal wire tracking to improve procedural success. IVUS may be used to determine the course of wire tracking after crossing a CTO. METHODS: From March 2014 to March 2016, data were collected into a single-center database from 219 patients undergoing CTO PCI with concomitant IVUS imaging...
May 22, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28499595/impact-of-calcium-on-chronic-total-occlusion-percutaneous-coronary-interventions
#17
MULTICENTER STUDY
Judit Karacsonyi, Dimitri Karmpaliotis, Khaldoon Alaswad, Farouc A Jaffer, Robert W Yeh, Mitul Patel, Ehtisham Mahmud, William Lombardi, Michael R Wyman, Anthony Doing, Jeffrey W Moses, Ajay Kirtane, Manish Parikh, Ziad Ali, David Kandzari, Nicholas Lembo, Santiago Garcia, Barbara A Danek, Aris Karatasakis, Erica Resendes, Pratik Kalsaria, Bavana V Rangan, Imre Ungi, Craig A Thompson, Subhash Banerjee, Emmanouil S Brilakis
We sought to examine the impact of calcific deposits on the outcomes of chronic total occlusion (CTO) percutaneous coronary intervention (PCI). The outcomes of 1,476 consecutive CTO PCIs performed in 1,453 patients (65.5 ± 10 years, 85% male) between 2012 and 2016 at 11 US centers were evaluated. Moderate or severe quantity of calcium was present in 58% of target lesions. Calcified lesions were more tortuous and more likely to have proximal cap ambiguity and interventional collaterals. PCI of moderately/severely calcified CTOs more often required use of the retrograde approach (54% vs 30%, p <0...
July 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28388307/cytomegalovirus-infection-in-lung-transplant-recipients
#18
REVIEW
Reem S Almaghrabi, Ali S Omrani, Ziad A Memish
Cytomegalovirus (CMV) infection is a major cause of morbidity and mortality in solid organ transplant (SOT) patients. Lung transplant recipients are particularly at risk given the intense immunosuppression required. Areas covered: The Detailed review of the literature related to CMV infection, its direct and indirect effect on lung allograft function, as well as diagnosis, immune monitoring, treatment options and prevention strategies. Expert commentary: In lung transplant recipients, CMV infection is associated with pro-inflammatory and immune inhibitory effects that increase the risk of graft dysfunction and loss...
May 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28320686/characteristics-of-early-versus-late-in-stent-restenosis-in-second-generation-drug-eluting-stents-an-optical-coherence-tomography-study
#19
Lei Song, Gary S Mintz, Dong Yin, Myong Hwa Yamamoto, Chee Yang Chin, Mitsuaki Matsumura, Ajay J Kirtane, Manish A Parikh, Jeffrey W Moses, Ziad A Ali, Richard A Shlofmitz, Akiko Maehara
AIMS: In-stent restenosis (ISR) is an important cause of DES failure and target vessel revascularization. We evaluated differences between early and late-presenting restenosis in second-generation drug-eluting stents (DES) using optical coherence tomography (OCT). METHODS AND RESULTS: Overall, 171 cases of second-generation DES ISR with a follow-up OCT minimum lumen area <3.0mm2 were included; 33.3% of patients (n=57) had early ISR; and 67.7% (n=114) had late ISR (duration from stent implantation >1 year)...
March 21, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28303645/zero-contrast-percutaneous-coronary-intervention-on-calcified-lesions-facilitated-by-rotational-atherectomy
#20
Keyvan Karimi Galougahi, Gary S Mintz, Dimitri Karmpaliotis, Ziad A Ali
Percutaneous coronary intervention (PCI) in patients with advanced chronic kidney disease (CKD) is challenging due to frequent presence of complex calcified lesions and the very high risk of contrast-induced nephropathy (CIN). We report a strategy of "zero contrast" PCI, guided by intravascular imaging and physiology, performed in three patients with advanced CKD in whom severe calcification necessitated rotational atherectomy (RA) to facilitate and optimize PCI. This approach resulted in safe and successful PCI while preserving renal function...
October 1, 2017: Catheterization and Cardiovascular Interventions
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