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https://www.readbyqxmd.com/read/28728686/spontaneous-coronary-artery-dissection-associated-with-pregnancy
#1
Marysia S Tweet, Sharonne N Hayes, Elisabeth Codsi, Rajiv Gulati, Carl H Rose, Patricia J M Best
BACKGROUND: Spontaneous coronary artery dissection (SCAD) is the most common cause of pregnancy-associated myocardial infarction and remains poorly characterized. OBJECTIVES: This study sought to assess presentation, clinical factors, and outcomes of pregnancy-associated spontaneous coronary artery dissection (P-SCAD) compared with spontaneous coronary artery dissection not associated with pregnancy (NP-SCAD). METHODS: A Mayo Clinic registry was established in 2010 to include comprehensive retrospective and prospective SCAD data...
July 25, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28707299/detection-of-gene-environment-interactions-in-a-family-based-population-using-scad
#2
Gwangsu Kim, Chao-Qiang Lai, Donna K Arnett, Laurence D Parnell, Jose M Ordovas, Yongdai Kim, Joungyoun Kim
Gene-environment interaction (GxE) is emphasized as one potential source of missing genetic variation on disease traits, and the ultimate goal of GxE research is prediction of individual risk and prevention of complex diseases. However, there are various challenges in statistical analysis of GxE. In this paper, we focus on the three methodological challenges: (i) the high dimensions of genes; (ii) the hierarchical structure between interaction effects and their corresponding main effects; and (iii) the correlation among subjects from family-based population studies...
July 13, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28707109/the-assessment-of-cough-in-a-sarcoidosis-clinic-using-a-validated-instrument-and-a-visual-analog-scale
#3
Marc A Judson, Amit Chopra, Edward Conuel, Efstratios Koutroumpakis, Christopher Schafer, Adam Austin, Robert Zhang, Kerry Cao, Rani Berry, Malik M H S Khan, Aakash Modi, Ritu Modi, Stephanie Jou, Furqan Ilyas, Recai M Yucel
PURPOSE: Cough is a common symptom of pulmonary sarcoidosis. We analyzed the severity of cough and factors associated with cough in a university sarcoidosis clinic cohort. METHODS: Consecutive patients completed the Leicester Cough Questionnaire (LCQ) and a cough visual analog scale (VAS). Clinical and demographic data were collected. Means of the LCQ were analyzed in patients who had multiple visits in terms of constant variables (e.g., race, sex). RESULTS: 355 patients completed the LCQ and VAS at 874 visits...
July 13, 2017: Lung
https://www.readbyqxmd.com/read/28707108/clinical-and-biological-insights-from-the-university-of-california-san-francisco-prospective-and-longitudinal-cohort
#4
Bryan S Benn, Zoe Lehman, Sharon A Kidd, Melissa Ho, Sara Sun, Joris Ramstein, Nicholas K Arger, Christine P Nguyen, Robert Su, Antonio Gomez, Jeffrey M Gelfand, Laura L Koth
INTRODUCTION: Sarcoidosis is a systemic inflammatory disease characterized by non-necrotizing granulomas in involved organs, most commonly the lung. Description of patient characteristics in the Western United States is limited. Furthermore, blood-based measures that relate to clinical sarcoidosis phenotypes are lacking. We present an analysis of a prospective, longitudinal sarcoidosis cohort at a Northern Californian academic medical center. METHODS: We enrolled 126 sarcoidosis subjects and 64 healthy controls and recorded baseline demographic and clinical characteristics...
July 13, 2017: Lung
https://www.readbyqxmd.com/read/28691907/prognosis-of-deferred-non-culprit-lesions-according-to-fractional-flow-reserve-in-patients-with-acute-coronary-syndrome
#5
Joo Myung Lee, Ki Hong Choi, Bon-Kwon Koo, Eun-Seok Shin, Chang-Wook Nam, Joon-Hyung Doh, Doyeon Hwang, Jonghanne Park, Jinlong Zhang, Hong-Seok Lim, Myeong-Ho Yoon, Seung-Jea Tahk
AIMS: There are limited data on the prognosis of deferred non-culprit lesions in patients with acute coronary syndrome (ACS) based on fractional flow reserve (FFR). We investigated the prognosis of deferred non-culprit lesions in ACS patients, compared with deferred lesions in patients with stable coronary artery disease (SCAD), on the basis of FFR. METHODS AND RESULTS: The clinical outcomes of 449 non-culprit lesions (301 patients with ACS) were compared with 2,484 lesions (1,295 patients with SCAD) in which revascularization was deferred on the basis of a high FFR (>0...
July 11, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28690368/on-the-impact-of-model-selection-on-predictor-identification-and-parameter-inference
#6
Ruth M Pfeiffer, Andrew Redd, Raymond J Carroll
We assessed the ability of several penalized regression methods for linear and logistic models to identify outcome-associated predictors and the impact of predictor selection on parameter inference for practical sample sizes. We studied effect estimates obtained directly from penalized methods (Algorithm 1), or by refitting selected predictors with standard regression (Algorithm 2). For linear models, penalized linear regression, elastic net, smoothly clipped absolute deviation (SCAD), least angle regression and LASSO had a low false negative (FN) predictor selection rates but false positive (FP) rates above 20 % for all sample and effect sizes...
2017: Computational Statistics
https://www.readbyqxmd.com/read/28687232/reduced-need-for-surgery-in-severe-nasal-polyposis-with-mepolizumab-randomised-trial
#7
Claus Bachert, Ana R Sousa, Valerie J Lund, Glenis K Scadding, Philippe Gevaert, Shuaib Nasser, Stephen R Durham, Marjolein E Cornet, Harsha H Kariyawasam, Jane Gilbert, Daren Austin, Aoife C Maxwell, Richard P Marshall, Wytske J Fokkens
BACKGROUND: Patients with eosinophilic nasal polyposis frequently require surgery, and recurrence rates are high. OBJECTIVE: To assess the efficacy and safety of mepolizumab vs placebo for severe bilateral nasal polyposis. METHODS: This randomised, double-blind, placebo-controlled trial recruited patients aged 18-70 years with recurrent nasal polyposis requiring surgery. Patients received intravenous mepolizumab 750 mg or placebo every 4 weeks for a total of six doses, in addition to daily topical corticosteroid treatment...
July 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28685714/comparison-of-efficacy-and-safety-between-first-and-second-generation-drug-eluting-stents-in-patients-with-stable-coronary-artery-disease-a-single-center-retrospective-study
#8
Ru Liu, Fei Xiong, Yuan Wen, Yuan-Liang Ma, Yi Yao, Zhan Gao, Bo Xu, Yue-Jin Yang, Shu-Bin Qiao, Run-Lin Gao, Jin-Qing Yuan
BACKGROUND: Lots of trials demonstrate that second-generation drug-eluting stents (G2-DES), with their improved properties, offer significantly superior efficacy and safety profiles compared to first generation DES (G1-DES) for patients with coronary artery disease (CAD) receiving percutaneous coronary intervention (PCI). This study aimed to verify the advantage of G2-DES over G1-DES in Chinese patients with stable CAD (SCAD). METHODS: For this retrospective observational analysis, 2709 SCAD patients with either G1-DES (n = 863) or G2-DES (n = 1846) were enrolled consecutively throughout 2013...
July 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28657457/the-spectrum-of-spontaneous-coronary-artery-dissection-illustrated-review-of-the-literature
#9
Marian Vandamme, Julie De Backer, Tine De Backer, Benny Drieghe, Daniel Devos, Sofie Gevaert
Spontaneous coronary artery dissection or SCAD is a rare and challenging disease that is increasingly diagnosed. It is characterized by a non-traumatic, non-iatrogenic separation of the coronary artery wall and occurs predominantly in young and middle-aged women without traditional cardiovascular risk factors. SCAD is often associated with predisposing conditions such as the peripartum period, systemic inflammatory disease and heritable connective tissue disease. More recently, independent investigators have demonstrated an important association with fibromuscular dysplasia...
June 28, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28639567/spontaneous-coronary-artery-dissection-as-a-cause-of-acute-myocardial-infarction-in-young-female-population-a-single-center-study
#10
Pei-Na Meng, Chen Xu, Wei You, Zhi-Ming Wu, Du-Jiang Xie, Hang Zhang, Chang Pan, Fei Ye
BACKGROUND: Spontaneous coronary artery dissection (SCAD) is a nonatherosclerotic but a rare and extremely dangerous clinical entity, it has a high prevalence in young female population with acute myocardial infarction (AMI). The previous reports were restricted to other countries' population, but rare in China. Hence, this study aimed to focus on the characteristics of SCAD as a cause of young female AMI population in Jiangsu, China. METHODS: This study enrolled young female AMI patients aged ≤50 years who underwent coronary angiography (CAG) and intracoronary imaging in our center between January 2013 and December 2016...
July 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28625882/analysis-of-sarcoidosis-in-the-oporto-region-portugal
#11
A V Cardoso, P C Mota, N Melo, S Guimarães, C Souto Moura, J M Jesus, R Cunha, A Morais
BACKGROUND: Sarcoidosis is a systemic granulomatous disease of unknown etiology. Epidemiological studies of different populations are essential because clinical presentation, organ involvement, disease severity, and prognosis vary significantly according to region and population. The aim of this study was to assess epidemiological and clinical characteristics, staging factors, and clinical course in patients with sarcoidosis from a tertiary hospital in Oporto, Portugal. METHODS: A retrospective analysis of patients with sarcoidosis and at least 2 years of follow-up evaluated at the Centro Hospitalar de São João between 2000 and 2014...
June 15, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28622069/spontaneous-coronary-artery-dissection-in-a-woman-with-a-past-medical-history-of-subarachnoid-hemorrhage-a-case-report
#12
Jean Bardon, Fabien Picard, Franck Barbou, Olivier Varenne, Benoît Vivien
Spontaneous coronary artery dissection (SCAD) is an uncommon disease. We report the case of a 50 year-old woman with a past medical history of aneurysmal subarachnoid hemorrhage, presenting with acute chest pain and diffuse ST segment elevation on ECG. Coronary angiogram revealed a SCAD of the left anterior descending coronary artery. The association between cerebral aneurysms and SCAD should trigger providers concern for fibromuscular dysplasia. We hereby report on a rare and atypical case involving the relationship between fibromuscular dysplasia and SCAD...
June 16, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28612415/-typical-symptoms-in-the-atypical-patient-consider-scad
#13
EDITORIAL
Malissa J Wood, Douglas E Drachman
Consider SCAD as a potential etiology of cardiac ischemia in young, otherwise healthy patients Cardiac biomarker testing should be included in the initial evaluation of young patients who present with possible cardiac symptoms If unstable symptoms/ongoing ischemia are present, cardiac catheterization should be considered to diagnose and treat CAD regardless of etiology.
June 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28596627/data-sets-for-author-name-disambiguation-an-empirical-analysis-and-a-new-resource
#14
Mark-Christoph Müller, Florian Reitz, Nicolas Roy
Data sets of publication meta data with manually disambiguated author names play an important role in current author name disambiguation (AND) research. We review the most important data sets used so far, and compare their respective advantages and shortcomings. From the results of this review, we derive a set of general requirements to future AND data sets. These include both trivial requirements, like absence of errors and preservation of author order, and more substantial ones, like full disambiguation and adequate representation of publications with a small number of authors and highly variable author names...
2017: Scientometrics
https://www.readbyqxmd.com/read/28593057/clomiphene-associated-inferior-stemi-in-a-young-female-due-to-right-coronary-artery-dissection
#15
Feras Husain Abuzeyad, Eltigani Seedahmed Ibnaouf, Mudhaffar Al Farras
Nonatherosclerotic spontaneous coronary artery dissection (NA-SCAD) is an uncommon cause of myocardial infarction. It most commonly affects females in the perimenopausal age. NA-SCAD has been associated with many predisposing factors including pregnancy and hormonal therapy for both contraception and ovulation induction. The presented case is a previously healthy 41-year-old woman diagnosed with inferior ST-elevation myocardial infarction due to right descending coronary artery dissection associated with recent use of clomiphene monotherapy for ovulation induction (a previously fertile woman), which was not previously reported...
2017: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/28590291/bronchoscopic-modalities-to-diagnose-sarcoidosis
#16
Sadia Benzaquen, Alejandro Adolfo Aragaki-Nakahodo
PURPOSE OF REVIEW: Several studies have investigated different bronchoscopic techniques to obtain tissue diagnosis in patients with suspected sarcoidosis when the diagnosis cannot be based on clinicoradiographic findings alone. In this review, we will describe the most recent and relevant evidence from different bronchoscopic modalities to diagnose sarcoidosis. RECENT FINDINGS: Despite multiple available bronchoscopic modalities to procure tissue samples to diagnose sarcoidosis, the vast majority of evidence favors endobronchial ultrasound transbronchial needle aspiration to diagnose Scadding stages 1 and 2 sarcoidosis...
June 5, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28574627/ct-versus-mr-techniques-in-the-detection-of-cervical-artery-dissection
#17
Uta Hanning, Peter B Sporns, Meilin Schmiedel, Erich B Ringelstein, Walter Heindel, Heinz Wiendl, Thomas Niederstadt, Ralf Dittrich
BACKGROUND: Spontaneous cervical artery dissection (sCAD) is an important etiology of juvenile stroke. The gold standard for the diagnosis of sCAD is convential angiography. However, magnetic resonance imaging (MRI)/MR angiography (MRA) and computed tomography (CT)/CT angiography (CTA) are frequently used alternatives. New developments such as multislice CT/CTA have enabled routine acquisition of thinner sections with rapid imaging times. The goal of this study was to compare the capability of recent developed 128-slice CT/CTA to MRI/MRA to detect radiologic features of sCAD...
June 2, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28572918/multi-morbidities-of-allergic-rhinitis-in-adults-european-academy-of-allergy-and-clinical-immunology-task-force-report
#18
REVIEW
C Cingi, P Gevaert, R Mösges, C Rondon, V Hox, M Rudenko, N B Muluk, G Scadding, F Manole, C Hupin, W J Fokkens, C Akdis, C Bachert, P Demoly, J Mullol, A Muraro, N Papadopoulos, R Pawankar, P Rombaux, E Toskala, L Kalogjera, E Prokopakis, P W Hellings, J Bousquet
This report has been prepared by the European Academy of Allergy and Clinical Immunology Task Force on Allergic Rhinitis (AR) comorbidities. The aim of this multidisciplinary European consensus document is to highlight the role of multimorbidities in the definition, classification, mechanisms, recommendations for diagnosis and treatment of AR, and to define the needs in this neglected area by a literature review. AR is a systemic allergic disease and is generally associated with numerous multi-morbid disorders, including asthma, eczema, food allergies, eosinophilic oesophagitis (EoE), conjunctivitis, chronic middle ear effusions, rhinosinusitis, adenoid hypertrophy, olfaction disorders, obstructive sleep apnea, disordered sleep and consequent behavioural and educational effects...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28566599/simultaneous-idiopathic-dissections-of-the-coronary-and-superior-mesenteric-arteries
#19
Masato Nishi, Daisuke Sueta, Takashi Miyazaki, Kenji Sakamoto, Eiichiro Yamamoto, Yasuhiro Izumiya, Kenichi Tsujita, Sunao Kojima, Koichi Kaikita, Osamu Ikeda, Yasuyuki Yamashita, Seiji Hokimoto
A 49-year-old man complained of sudden upper abdominal pain but was not given a definitive diagnosis. The day after he was discharged, he noticed left chest pain. An in-depth electrocardiogram indicated acute myocardial infarction, and emergent coronary angiography revealed 99% stenosis of his left coronary artery. An intravascular ultrasound revealed spontaneous coronary artery dissection (SCAD), and the lesion was successfully stented. In an atherosclerosis screening, superior mesenteric artery dissection (SMAD) was confirmed, after which the lesion was successfully stented...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28545849/difference-in-clinical-presentations-and-related-angiographic-findings-among-early-late-and-very-late-sirolimus-eluting-stent-failures-requiring-target-lesion-revascularization
#20
Shunsuke Kubo, Masanobu Ohya, Akimune Kuwayama, Takenobu Shimada, Katsuya Miura, Hidewo Amano, Yusuke Hyodo, Suguru Otsuru, Seiji Habara, Takeshi Tada, Hiroyuki Tanaka, Yasushi Fuku, Tsuyoshi Goto, Kazushige Kadota
BACKGROUNDS: The difference in clinical presentations (acute coronary syndrome [ACS] and stable coronary artery disease [SCAD]) and related angiographic morphologies of sirolimus-eluting stent (SES) failure requiring target lesion revascularization (TLR) during early-term (<1year), late-term (1-5years), and very late-term periods (>5years) remains unknown. METHODS: Among 4484 lesions undergoing SES implantation, clinically-driven TLR was performed on 105 lesions during early-term, 169 lesions during late-term, and 147 lesions during very late-term period...
May 13, 2017: International Journal of Cardiology
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