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https://www.readbyqxmd.com/read/28294875/-efficiency-of-operation-trombendarterektomy-from-pulmonary-artery-branches-depending-on-the-degree-of-pulmonary-hypertension-and-duration-of-disease
#1
A M Chernyavskiy, A G Edemskiy, M A Chernyavskiy, V G Efimenko, A R Tarkova, S N Ivanov
AIM: to assess effect of thromboendarterectomy from pulmonary artery branches on clinical functional state of patients with chronic thromboembolic pulmonary hypertension (CTEPH) in dependence on degree of pulmonary hypertension and disease duration. MATERIAL: Patients (n=152) were divided into 3 groups: (1) with systolic pulmonary artery pressure (SPAP) less or equal 50 mm Hg (n=20), (2) with SPAP>50- less or equal 80mm Hg (n=46), (3) with SPAP >80mm Hg (n=86)...
May 2016: Kardiologiia
https://www.readbyqxmd.com/read/28283226/differential-impact-of-net-atrioventricular-compliance-on-clinical-outcomes-in-patients-with-mitral-stenosis-according-to-cardiac-rhythm
#2
In-Jeong Cho, Hyuk-Jae Chang, Soo Yeon Lee, Chi Young Shim, Geu-Ru Hong, Namsik Chung
BACKGROUND: Net atrioventricular compliance (Cn), a parameter for the net compliance of the left atrium and left ventricle, is known to be a useful predictor of outcomes in patients with mitral stenosis (MS). The present study aimed to evaluate whether the impact of Cn on symptom status and clinical outcomes, as well as its contribution toward systolic pulmonary artery pressure (SPAP), differed according to cardiac rhythm. METHODS: We retrospectively reviewed patients (N = 308) with rheumatic pure MS...
March 7, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28280732/paroxysmal-atrial-fibrillation-in-the-course-of-acute-pulmonary-embolism-clinical-significance-and-impact-on-prognosis
#3
Agnieszka Krajewska, Katarzyna Ptaszynska-Kopczynska, Izabela Kiluk, Urszula Kosacka, Robert Milewski, Jacek Krajewski, Wlodzimierz Jerzy Musial, Bozena Sobkowicz
The relationship and clinical implications of atrial fibrillation (AF) in acute pulmonary embolism (PE) are poorly investigated. We aimed to analyze clinical characteristics and prognosis in PE patients with paroxysmal AF episode. Methods. From the 391 patients with PE 31 subjects with paroxysmal AF were selected. This group was compared with patients with PE and sinus rhythm (SR) and 32 patients with PE and permanent AF. Results. Paroxysmal AF patients were the oldest. Concomitant DVT varies between groups: paroxysmal AF 32...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28248192/construction-of-crystal-structure-prototype-database-methods-and-applications
#4
Chuanxun Su, Jian Lv, Quan Li, Hui Wang, Lijun Zhang, Yanchao Wang, Yanming Ma
Crystal structure prototype data have become a useful source of information for materials discovery in the fields of crystallography, chemistry, physics, and materials science. This work reports the development of a robust and efficient method for assessing the similarity of structures on the basis of their interatomic distances. Using this method, we proposed a simple and unambiguous definition of crystal structure prototype based on hierarchical clustering theory, and constructed the crystal structure prototype database (CSPD) by filtering the known crystallographic structures in a database...
March 1, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28238241/mitral-patient-prosthesis-mismatch-predicts-suboptimal-hemodynamic-recovery-after-mitral-valve-replacement
#5
Sertan Ozyalcin, Kerem M Vural, Ayse Colak
BACKGROUND: A possible relationship between an obstructive prosthesis and suboptimal hemodynamic recovery, as reflected by unsatisfactory regression in systolic pulmonary artery pressure (sPAP) and functional tricuspid regurgitation (FTR) following mitral valve replacement (MVR), was investigated. A delineating effective orifice area index (EOAI) value was sought in order to define a patient-prosthesis mismatch. METHODS: A total of 128 patients undergoing isolated mechanical MVR were followed up for a mean of 46 ± 9 months...
September 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28223154/idiopathic-and-systemic-sclerosis-associated-pulmonary-arterial-hypertension-a-comparison-of-demographic-haemodynamic-and-magnetic-resonance-imaging-characteristics-and-outcomes
#6
Sheila Ramjug, Nehal Hussain, Judith Hurdman, Catherine Billings, Athanasios Charampopoulos, Charlie A Elliot, David G Kiely, Ian Sabroe, Smitha Rajaram, Andrew J Swift, Robin Condliffe
BACKGROUND: Previous studies have identified survival in systemic sclerosis (SSc)-associated pulmonary arterial hypertension (SSc-PAH) to be worse than in idiopathic pulmonary arterial hypertension (IPAH). We investigated differences between these conditions by comparing demographic, haemodynamic and radiological characteristics and outcomes in a large cohort of incident patients. METHODS: 651 patients diagnosed with IPAH or SSc-associated pre-capillary pulmonary hypertension were included...
February 18, 2017: Chest
https://www.readbyqxmd.com/read/28213866/5-aminosalicylic-acid-attenuates-monocrotaline-induced-pulmonary-arterial-hypertension-in-rats-by-increasing-the-expression-of-nur77
#7
Ling-Yue Sun, Zong-Ye Cai, Jun Pu, Jian Li, Jie-Yan Shen, Cheng-de Yang, Ben He
The aim of this study is to investigate the effect of 5-aminosalicylic acid (5-ASA) on monocrotaline (MCT)-induced pulmonary arterial hypertension (PAH) in rats and its molecular mechanism. Sixty male Sprague-Dawley rats (250-300 g) were evenly randomized into six groups: control group; PAH group induced by MCT intraperitoneal injection (50 mg/kg) on day 1; and four PAH groups treated for 30 days from day 2 with 5-ASA at 50 (5-ASA-50 group), 100 (5-ASA-100 group), 150 (5-ASA-150 group), and 200 mg/kg/day (5-ASA-200 group), respectively...
February 17, 2017: Inflammation
https://www.readbyqxmd.com/read/28187374/the-strengths-and-weaknesses-of-non-invasive-parameters-obtained-by-echocardiography-and-cardiopulmonary-exercise-testing-in-comparison-with-the-hemodynamic-assessment-by-the-right-heart-catheterization-in-patients-with-pulmonary-hypertension
#8
Katarzyna Ptaszyńska-Kopczyńska, Anna Krentowska, Emilia Sawicka, Anna Skoneczny, Małgorzata Jasiewicz, Małgorzata Knapp, Włodzimierz J Musiał, Bożena Sobkowicz, Karol A Kamiński
PURPOSE: Pulmonary hypertension (PH) diagnosis requires invasive assessment by right heart catheterization (RHC), but screening and monitoring are performed using non-invasive methods: echocardiography and cardiopulmonary exercise testing (CPET). The aim of the study was to assess correlations between the parameters obtained in non-invasive testing and RHC in patients with PH of different etiologies. MATERIAL/METHODS: The study included 53 medical records of PH patients (32 women) aged 29-81 years...
June 14, 2016: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28096004/the-effect-of-standard-pain-assessment-on-pain-and-analgesic-consumption-amount-in-patients-undergoing-arthroscopic-shoulder-surgery
#9
Sevilay Erden, Sevil Güler Demir, Ulunay Kanatlı, Fatma Danacı, Banu Carboğa
Pain assessment has a key role in relief of the postoperative pain. In this study, we aimed to examine the effect of the Standard Pain Assessment Protocol (SPAP), which we developed based on acute pain guidelines, on pain level, and analgesic consumption. The study population consisted of a total of 101 patients who had arthroscopic shoulder surgery. The routine pain assessment was administered to the control group, while the SPAP was administered to the study group. The routine pain therapy of the clinic was administered to the subjects from both groups based on the pain assessment...
February 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28073593/integrative-cardiopulmonary-ultrasound-for-interstitial-lung-disease-assessment-correlation-between-lung-ultrasound-performance-and-cardiac-involvement
#10
Wei-Wei Zhu, Yi-Dan Li, Hong Li, Xiu-Zhang Lu, Ling-Yun Kong, Xiao-Guang Ye, Qi-Zhe Cai, Lan-Lan Sun, Wei Jiang, Li Wang
The aims of this study were to apply integrative cardiopulmonary ultrasound (thoracic ultrasound) to the evaluation of patients with interstitial lung disease (ILD) and to determine the relationship between lung ultrasound signs and echocardiographic parameters such as systolic pulmonary artery pressure (SPAP) and various right ventricular parameters. ILD patients and healthy controls underwent lung ultrasound (LUS) and echocardiographic tests. In addition to traditional echocardiographic parameters, right ventricular free wall longitudinal strain (RVLS_FW) was measured using 2-D speckle-tracking echocardiography...
April 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28070915/mitral-valve-resistance-determines-hemodynamic-consequences-of-severe-rheumatic-mitral-stenosis-and-immediate-outcomes-of-percutaneous-valvuloplasty
#11
Hamidreza Sanati, Reza Zolfaghari, Niloufar Samiei, Yousef Rezaei, Mitra Chitsazan, Ali Zahedmehr, Farshad Shakerian, Reza Kiani, Ata Firouzi, Reza Rezaei Tabrizi
INTRODUCTION: The mitral valve area (MVA) poorly reflects the hemodynamic status of (MS). In this study, we compared the MVA with mitral valve resistance (MVR) with regard to the determination of hemodynamic consequences of MS and the immediate outcomes of percutaneous balloon mitral valvuloplasty (PBMV). METHODS: In a prospective study, 36 patients with severe rheumatic MS with left ventricular ejection fraction (LVEF) >50% were evaluated. They underwent transthoracic echocardiography (TTE) and catheterization...
January 10, 2017: Echocardiography
https://www.readbyqxmd.com/read/28063199/diagnostic-accuracy-of-echocardiography-combined-with-chest-ct-in-pulmonary-hypertension
#12
Adil Shujaat, Abubakr A Bajwa, Farah Al-Saffar, Jason Bellardini, Lisa Jones, James D Cury
BACKGROUND: Transthoracic echocardiography (TTE) and computerized axial tomography (CT) are complementary imaging techniques. It is possible that a combination of the two may offer a better way of identifying pulmonary hypertension (PH) than either one alone. OBJECTIVES: To determine the diagnostic accuracy of TTE combined with chest CT in pulmonary hypertension. METHODS: We performed a retrospective review of consecutive patients who had undergone TTE, CT and right heart catheterization (RHC) between 7/1/2008 and 6/30/2012...
January 7, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28004166/anti-angiotensin-ii-type-1-receptor-autoantibodies-at1r-aas-in-patients-with-systemic-sclerosis-lack-of-association-with-disease-manifestations
#13
Ufuk İlgen, Müçteba Enes Yayla, Nurşen Düzgün
Angiotensin II type 1 receptor autoantibodies (AT1R-AAs) are known to be associated with malignant hypertension, preeclampsia, and vascular rejection in kidney transplantation. They were also suspected to have pathogenetic role in vasculopathic changes in systemic sclerosis (SSc). Clinical data regarding AT1R-AAs in SSc are scarce. In this work, we will examine the relationship between serum levels of AT1R-AAs and disease manifestations. Serum samples from SSc patients and healthy controls were analyzed for AT1R-AAs by using a commercial ELISA kit...
December 21, 2016: Rheumatology International
https://www.readbyqxmd.com/read/27992469/statins-have-no-additional-benefit-for-pulmonary-hypertension-a-meta-analysis-of-randomized-controlled-trials
#14
Lin Wang, Moying Qu, Yao Chen, Yaxiong Zhou, Zhi Wan
OBJECTIVES: We performed a meta-analysis to explore the effects of adding statins to standard treatment on adult patients of pulmonary hypertension (PH). METHODS: A systematic search up to December, 2015 of Medline, EMBASE, Cochrane Database of Systematic reviews and Cochrane Central Register of Controlled Trials was performed to identify randomized controlled trials with PH patients treated with statins. RESULTS: Five studies involving 425 patients were included into this meta-analysis...
2016: PloS One
https://www.readbyqxmd.com/read/27989082/impact-of-prosthesis-patient-mismatch-after-mitral-valve-replacement
#15
Calogera Pisano, Carmela Rita Balistreri, Oreste Fabio Triolo, Rosalba Franchino, Alberto Allegra, Veronica Capuccio, Vincenzo Argano, Giovanni Ruvolo
BACKGROUND: The study aim was to determine the impact of prosthesis-patient mismatch (PPM) on early and late clinical outcomes, left atrial and ventricular remodeling, late tricuspid valve regurgitation and pulmonary hypertension (PH) in patients after mitral valve replacement (MVR). METHODS: A total of 46 patients (mean age 66 ± 9.3 years) with mitral valve diseases and undergoing isolated MVR was enrolled in the study. The mitral valve effective orifice area (EOA) was determined using the continuity equation and indexed for the patient's body surface area (EOAi)...
January 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27988518/conduction-abnormalities-after-transcatheter-aortic-valve-implantation-and-diastolic-dysfunction
#16
Ofir Priesler, Simon Biner, Ariel Finkelstein, Yoav Michowitz
OBJECTIVES: Transcatheter aortic valve implantation (TAVI) is frequently associated with the development of conduction abnormalities. We assessed the effect of conduction abnormalities on diastolic function following TAVI. METHODS: In total, 101 consecutive post-TAVI patients were included, each with echocardiographic follow-up at 1 and 6 months. Diastolic properties were correlated with the occurrence of a long PR interval and wide QRS, and their change from baseline...
December 17, 2016: Cardiology
https://www.readbyqxmd.com/read/27977800/structural-and-functional-characterization-of-the-bacterial-type-iii-secretion-export-apparatus
#17
Tobias Dietsche, Mehari Tesfazgi Mebrhatu, Matthias J Brunner, Patrizia Abrusci, Jun Yan, Mirita Franz-Wachtel, Charlotta Schärfe, Susann Zilkenat, Iwan Grin, Jorge E Galán, Oliver Kohlbacher, Susan Lea, Boris Macek, Thomas C Marlovits, Carol V Robinson, Samuel Wagner
Bacterial type III protein secretion systems inject effector proteins into eukaryotic host cells in order to promote survival and colonization of Gram-negative pathogens and symbionts. Secretion across the bacterial cell envelope and injection into host cells is facilitated by a so-called injectisome. Its small hydrophobic export apparatus components SpaP and SpaR were shown to nucleate assembly of the needle complex and to form the central "cup" substructure of a Salmonella Typhimurium secretion system. However, the in vivo placement of these components in the needle complex and their function during the secretion process remained poorly defined...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27976528/streptococcus-mutans-spap-binds-to-radd-of-fusobacterium-nucleatum-ssp-polymorphum
#18
Lihong Guo, Bhumika Shokeen, Xuesong He, Wenyuan Shi, Renate Lux
Adhesin-mediated bacterial interspecies interactions are important elements in oral biofilm formation. They often occur on a species-specific level, which could determine health- or disease association of a biofilm community. Among the key players involved in these processes are the ubiquitous fusobacteria that have been recognized for their ability to interact with numerous different binding partners. Fusobacterial interactions with Streptococcus mutans, an important oral cariogenic pathogen, have previously been described but most studies focused on binding to non-mutans streptococci and specific cognate adhesin pairs remain to be identified...
December 15, 2016: Molecular Oral Microbiology
https://www.readbyqxmd.com/read/27940596/predicting-cardiopulmonary-involvement-in-patients-with-systemic-sclerosis-complementary-value-of-nailfold-videocapillaroscopy-patterns-and-disease-specific-autoantibodies
#19
Iris M Markusse, Jessica Meijs, Berber de Boer, Jaap A Bakker, H Pascal C Schippers, Anne A Schouffoer, Nina Ajmone Marsan, Lucia J M Kroft, Maarten K Ninaber, Tom W J Huizinga, Jeska K de Vries-Bouwstra
OBJECTIVE: To evaluate the prevalence of anti-extractable nuclear antigen (anti-ENA) antibodies in Dutch SSc patients and the predictive power of the combination of specific anti-ENA antibodies and nailfold videocapillaroscopy (NVC) patterns to improve identification of patients with high risk for cardiopulmonary involvement. METHODS: A total of 287 patients (79%) from the Leiden SSc-Cohort had data available on NVC-pattern (no SSc-specific, early, active, late) and anti-ENA antibodies...
December 10, 2016: Rheumatology
https://www.readbyqxmd.com/read/27925452/usefulness-of-admission-red-blood-cell-distribution-width-as-a-predictor-of-severity-of-acute-pulmonary-embolism
#20
Recep Akgedik, Harun Karamanli, Ali Bekir Kurt, Zeki Yüksel Günaydın
BACKGROUND: Previous researches have represented a considerable relation between acute pulmonary embolism (PE) and red blood cell distribution width (RDW). To the authors' knowledge no research has been informed in subjects with PE severity. Pulmonary arterial obstruction index (PAOI) is associated with the severity of acute PE. OBJECTIVES: In our investigation, we purposed to assess the relation between PAOI and RDW and the benefit of these factors in the detection of PE severity...
December 7, 2016: Clinical Respiratory Journal
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