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Article ; Online: Structural, Mechanical, and Barrier Properties of the Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Hybrid Composite.

Janićijević, Aleksandra / Filipović, Suzana / Sknepnek, Aleksandra / Salević-Jelić, Ana / Jančić-Heinemann, Radmila / Petrović, Miloš / Petronijević, Ivan / Stamenović, Marina / Živković, Predrag / Potkonjak, Nebojša / Pavlović, Vladimir B

Polymers

2024 Volume 16, Issue 8

Abstract: This study presents an analysis of films which consist of two layers; one layer is PVDF as the matrix, along with fillers ... ...

Abstract	This study presents an analysis of films which consist of two layers; one layer is PVDF as the matrix, along with fillers BaTiO
Language	English
Publishing date	2024-04-10
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2527146-5
ISSN	2073-4360 ; 2073-4360
ISSN (online)	2073-4360
ISSN	2073-4360
DOI	10.3390/polym16081033
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A complete versus inducible ischemia-guided revascularization after a culprit-only primary percutaneous coronary intervention in multivessel coronary artery disease

Ilić Ivan / Janićijević Aleksandra / Obradović Gojko / Stefanović Milica / Kafedžić Srđan / Živanić Aleksandra / Vidaković Radosav / Unić-Stojanović Dragana / Stanković Ivan

Srpski Arhiv za Celokupno Lekarstvo, Vol 149, Iss 3-4, Pp 161-

A pilot study

2021 Volume 166

Abstract: Introduction/Objective. Revascularization in multivessel coronary artery disease (MVD) in patients with ST elevation myocardial infarction (STEMI) is a matter of debate. We sought to compare outcomes between revascularization strategies based on ... ...

Abstract	Introduction/Objective. Revascularization in multivessel coronary artery disease (MVD) in patients with ST elevation myocardial infarction (STEMI) is a matter of debate. We sought to compare outcomes between revascularization strategies based on angiographic lesion severity or inducible ischemia. Methods. In prospective study, first ever STEMI patients with MVD, defined as > 70% stenosis in non-culprit vessel, treated with culprit only primary PCI were randomized to: A. Complete revascularization of all nonculprit significant lesions during initial hospitalization; B. Complete revascularization after 30 days, or C. Revascularization based on non-invasive testing for inducible ischemia. The study explored occurrence of major adverse cardio-cerebral events (MACCE) (cardiac death, repeated MI, cerebrovascular event). Results. The study enrolled 120 patients with door to balloon time within appropriate limits (A 51 ± 26 vs. B 47 ± 33 vs. C 44 ± 29 min, p = 0.604) The patients in group A underwent complete revascularization at 6 [4–7] days after primary PCI, while in the group B it was 35 [32–39] days. In group C, 16/43 (37.2%) patients underwent PCI at 82 [66–147] days after infarction (p < 0.001). The patients were followed for 2.7 ± 0.8 years. The events occurred less frequently in patients that underwent planned complete revascularization compared to those who underwent ischemia testing (7.8 vs. 20.9%, p = 0.040). Kaplan–Meier analysis favored complete delayed revascularization (MACCE A 8.8 vs. B 6.9 vs. C 20.9%, log rank p = 0.041). Conclusions. Planned, angiography guided, complete revascularization after initial event may be favorable strategy compared to single stress test for MVD in STEMI.
Keywords	coronary artery disease ; myocardial infarction ; stress ; echocardiography ; Medicine ; R
Subject code	610
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Serbian Medical Society
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Structural Characterization of Nanocellulose/Fe

Janićijević, Aleksandra / Pavlović, Vera P / Kovačević, Danijela / Perić, Marko / Vlahović, Branislav / Pavlović, Vladimir B / Filipović, Suzana

Polymers

2022 Volume 14, Issue 9

Abstract: The rise of innovation in the electrical industry is driven by the controlled design of new materials. The hybrid materials based on magnetite/nanocellulose are highly interesting due to their various applications in medicine, ecology, catalysis and ... ...

Abstract	The rise of innovation in the electrical industry is driven by the controlled design of new materials. The hybrid materials based on magnetite/nanocellulose are highly interesting due to their various applications in medicine, ecology, catalysis and electronics. In this study, the structure and morphology of nanocellulose/magnetite hybrid nanomaterials were investigated. The effect of nanocellulose loading on the crystal structure of synthesized composites was investigated by XRD and FTIR methods. The presented study reveals that the interaction between the cellulose and magnetic nanoparticles depends on the nanocellulose content. Further, a transition from cellulose II to cellulose I allomorph is observed. SEM and EDS are employed to determine the variation in morphology with changes in component concentrations. By the calculation of magnetic interactions between adjacent Fe
Language	English
Publishing date	2022-04-29
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2527146-5
ISSN	2073-4360 ; 2073-4360
ISSN (online)	2073-4360
ISSN	2073-4360
DOI	10.3390/polym14091819
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Article ; Online: Dielectric and Structural Properties of the Hybrid Material Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Composite.

Janićijević, Aleksandra / Filipović, Suzana / Sknepnek, Aleksandra / Vlahović, Branislav / Đorđević, Nenad / Kovacević, Danijela / Mirković, Miljana / Petronijević, Ivan / Zivković, Predrag / Rogan, Jelena / Pavlović, Vladimir B

Polymers

2023 Volume 15, Issue 20

Abstract: In the search for environmentally friendly materials with a wide range of properties, polymer composites have emerged as a promising alternative due to their multifunctional properties. This study focuses on the synthesis of composite materials ... ...

Abstract	In the search for environmentally friendly materials with a wide range of properties, polymer composites have emerged as a promising alternative due to their multifunctional properties. This study focuses on the synthesis of composite materials consisting of four components: bacterial nanocellulose (BNC) modified with magnetic Fe
Language	English
Publishing date	2023-10-13
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2527146-5
ISSN	2073-4360 ; 2073-4360
ISSN (online)	2073-4360
ISSN	2073-4360
DOI	10.3390/polym15204080
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Article ; Online: Application of ultrasound diagnostics in cardiopulmonary resuscitation

Anđelić Slađana / Pavlović Aleksandar / Trpković Slađana / Šijački Ana / Janićijević Aleksandra / Putniković Biljana

Srpski Arhiv za Celokupno Lekarstvo, Vol 146, Iss 5-6, Pp 323-

2018 Volume 329

Abstract: Ultrasound is becoming increasingly available and incorporated into emergency medicine. Focused echocardiographic evaluation in resuscitation (FEER) is a training program available to emergency doctors in order to ensure adequate application of ... ...

Abstract	Ultrasound is becoming increasingly available and incorporated into emergency medicine. Focused echocardiographic evaluation in resuscitation (FEER) is a training program available to emergency doctors in order to ensure adequate application of echocardiography in the cardiac arrest setting. The FEER protocol provides an algorithm, whereby a “quick view” can be provided in 10 seconds during minimal interruptions in chest compressions. Performing ultrasound in the cardiac arrest setting is challenging for emergency doctors. The International Liaison Committee on Resuscitation recommend the ‘quick look’ echocardiography view can be obtained during the 10-second pulse check, minimizing the disruption to cardiopulmonary resuscitation.
Keywords	cardiopulmonary resuscitation ; critical care ; advanced cardiac life support ; ultrasound ; Medicine ; R
Language	English
Publishing date	2018-01-01T00:00:00Z
Publisher	Serbian Medical Society
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Transient left ventricular dysfunction during fever-induced Brugada-like electrocardiographic pattern.

Stankovic, Ivan / Janicijevic, Aleksandra / Neskovic, Aleksandar N

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology

2016 Volume 18, Issue 10, Page(s) 1607

MeSH term(s)	Accidental Falls ; Brain Injuries ; Brugada Syndrome/diagnosis ; Brugada Syndrome/therapy ; Defibrillators, Implantable ; Echocardiography ; Electrocardiography ; Humans ; Male ; Middle Aged ; Ventricular Dysfunction, Left/diagnosis
Language	English
Publishing date	2016-10
Publishing country	England
Document type	Case Reports ; Journal Article
ZDB-ID	1449879-0
ISSN	1532-2092 ; 1099-5129
ISSN (online)	1532-2092
ISSN	1099-5129
DOI	10.1093/europace/euw042
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Article ; Online: ECHOS survey on echocardiography in Serbia during the COVID-19 pandemic

Krljanac Gordana / Stefanović Maja / Mladenović Zorica / Deljanin-Ilić Marina / Janićijević Aleksandra / Stefanović Milica / Trifunović-Zamaklar Danijela / Nešković Aleksandar N. / Stanković Ivan

Srpski Arhiv za Celokupno Lekarstvo, Vol 148, Iss 9-10, Pp 590-

2020 Volume 593

Abstract: Introduction/Objective. The purpose of the current Echocardiographic Society of Serbia (ECHOS) survey was to assess echocardiography practice in Serbia during the Coronavirus disease 2019 (COVID-19) pandemic. Methods. An online survey consisting of 12 ... ...

Abstract	Introduction/Objective. The purpose of the current Echocardiographic Society of Serbia (ECHOS) survey was to assess echocardiography practice in Serbia during the Coronavirus disease 2019 (COVID-19) pandemic. Methods. An online survey consisting of 12 questions about the usa of echocardiography, the availability of portable ultrasound devices and personal protective equipment (PPE) was sent to all ECHOS members. Results. Overall, 126 ECHOS members (43%) answered the survey. One-third of respondents (36%) were physicians from specialized COVID-19 centers. During the pandemic, indications for echocardiographic examination were restricted in both COVID-19 and non-COVID-19 centers. In COVID-19 centers, 41% of respondents performed lung ultrasound to each patient versus 26% in non-COVID-19 centers. Transesophageal echocardiography was not performed in suspected or confirmed COVID-19 cases in any center. Portable ultrasound devices were available to 66% of respondents from COVID-19 versus 44% of respondents from non-COVID-19 centers (p = 0.018). The respondents reported regular use of PPE, regardless of the patient’s COVID-19 status and found their personal knowledge about protective measures and use of PPE satisfactory. Conclusion. During the COVID-19 pandemic in Serbia, indications for echocardiography were restricted to clinical scenarios in which the results of examination were expected to alter patient management. In both COVID-19 and non-COVID-19 centers, the use of PPE was in line with national and international recommendations. A wider availability of portable ultrasound devices and application of lung ultrasound could improve patient management in similar situations in the future.
Keywords	echocardiography ; survey ; covid-19 ; serbia ; Medicine ; R
Subject code	028
Language	English
Publishing date	2020-01-01T00:00:00Z
Publisher	Serbian Medical Society
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: The increased main branch to stent diameter ratio is associated with side branch decreased coronary flow in "true" coronary artery bifurcations treated by "provisional" stenting - a two-dimensional quantitative coronary angiography study

Ilić Ivan / Vidaković Radosav / Janićijević Aleksandra / Stefanović Milica / Kafedžić Srđan / Cerović Milivoje / Milićević Dušan / Obradović Gojko / Jovanović Vladimir / Stanković Ivan / Putniković Biljana / Nešković Aleksandar N.

Vojnosanitetski Pregled, Vol 77, Iss 1, Pp 53-

2020 Volume 59

Abstract: Background/Aim. Percutaneous coronary interventions (PCI) in bifurcation lesions having more than 50% stenosis of both the main branch (MB) and the side branch (SB) remain challenging. Measurements of the vessel diameters and angles using quantitative ... ...

Abstract	Background/Aim. Percutaneous coronary interventions (PCI) in bifurcation lesions having more than 50% stenosis of both the main branch (MB) and the side branch (SB) remain challenging. Measurements of the vessel diameters and angles using quantitative coronary angiography (QCA) software have been used in evaluating PCI outcomes. We investigated potential effects of provisional stenting of the MB on SB coronary blood flow by determining quantitative vessel parameters in “true” non-left main coronary bifurcation lesions using conventional two-dimensional QCA. Methods. The study was prospective and conducted in a highvolume university PCI center. Study included patients with “true” native coronary artery bifurcations (Medina 1.0.1; 0.1.1; 1.1.1) treated with “provisional” stenting of the MB. Patients were excluded from the study if having left ventricular ejection fraction of less than 30%, having renal failure with creatinine clearance below 30 mL/kg/m2 or bifurcation lesions within the culprit artery causing myocardial infarction, grafted surgically or previously treated by PCI. QCA analysis included measurements of reference vessel diameters (RVD), diameter stenosis (DS) and bifurcation angles. Results. The study included 70 patients with 72 “true” non-left main bifurcations. Most of the bifurcations were located in the left anterior descending (LAD) – diagonal (Dg) territory. Compromise of the SB ostium defined as thrombolysis in myocardial infarction (TIMI) < 3 coronary flow occurred in 17/72 (23.6%) bifurcations. It was treated by either balloon angioplasty only of the SB ostium (9/17, 52.9%) or stent implantation [8/17 (47.1%)]. In a logistic regression analysis, including previously recognized predictors of SB compromise (bifurcation’s angles, RVD, DS and ratio of MB RVD to stent diameter ratio), only MB RVD to stent diameter ratio after PCI remained independent predictor of SB coronary flow compromise after stent implantation in the MB [OR 2.758 (95% CI 1.298–5.862); p = 0.008]. Conclusions. It appears ...
Keywords	percutaneous coronary intervention ; stents ; blood circulation ; coronary angiography ; Medicine (General) ; R5-920
Subject code	610
Language	English
Publishing date	2020-01-01T00:00:00Z
Publisher	Military Health Department, Ministry of Defance, Serbia
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Mechanical dispersion is associated with poor outcome in heart failure with a severely depressed left ventricular function and bundle branch blocks.

Stankovic, Ivan / Janicijevic, Aleksandra / Dimic, Aleksandra / Stefanovic, Milica / Vidakovic, Radosav / Putnikovic, Biljana / Neskovic, Aleksandar N

Annals of medicine

2017 Volume 50, Issue 2, Page(s) 128–138

Abstract: Objectives: Bundle branch blocks (BBB)-related mechanical dyssynchrony and dispersion may improve patient selection for device therapy, but their effect on the natural history of this patient population is unknown.: Methods: A total of 155 patients ... ...

Abstract	Objectives: Bundle branch blocks (BBB)-related mechanical dyssynchrony and dispersion may improve patient selection for device therapy, but their effect on the natural history of this patient population is unknown. Methods: A total of 155 patients with LVEF ≤ 35% and BBB, not treated with device therapy, were included. Mechanical dyssynchrony was defined as the presence of either septal flash or apical rocking. Contraction duration was assessed as time interval from the electrocardiographic R-(Q-)wave to peak longitudinal strain in each of 17 left ventricular segments. Mechanical dispersion was defined as either the standard deviation of all time intervals (dispersion Results: Mechanical dyssynchrony was not associated with survival. More pronounced mechanical dispersion Conclusions: Mechanical dispersion, but not dyssynchrony, was independently associated with mortality and it may be useful for risk stratification of patients with heart failure (HF) and BBB. Key Messages Mechanical dispersion, measured by strain echocardiography, is associated with poor outcome in heart failure with a severely depressed left ventricular function and bundle branch blocks. Mechanical dispersion may be useful for risk stratification of patients with heart failure and bundle branch blocks.
MeSH term(s)	Age Factors ; Aged ; Bundle-Branch Block/diagnosis ; Bundle-Branch Block/mortality ; Bundle-Branch Block/physiopathology ; Echocardiography ; Electrocardiography ; Female ; Heart Failure/diagnosis ; Heart Failure/mortality ; Heart Failure/physiopathology ; Heart Ventricles/physiopathology ; Humans ; Male ; Middle Aged ; Prognosis ; Retrospective Studies ; Risk Assessment/methods ; Stroke Volume/physiology ; Survival Analysis ; Ventricular Function, Left/physiology
Language	English
Publishing date	2017-10-13
Publishing country	England
Document type	Journal Article ; Observational Study ; Research Support, Non-U.S. Gov't
ZDB-ID	1004226-x
ISSN	1365-2060 ; 1651-2219 ; 0785-3890 ; 1743-1387
ISSN (online)	1365-2060 ; 1651-2219
ISSN	0785-3890 ; 1743-1387
DOI	10.1080/07853890.2017.1387282
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Zs.A 680: Show issues

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Article ; Online: T-wave changes in patients with Wellens syndrome are associated with increased myocardial mechanical and electrical dispersion.

Stankovic, Ivan / Kafedzic, Srdjan / Janicijevic, Aleksandra / Cvjetan, Radosava / Vulovic, Tijana / Jankovic, Milica / Ilic, Ivan / Putnikovic, Biljana / Neskovic, Aleksandar N

The international journal of cardiovascular imaging

2017 Volume 33, Issue 10, Page(s) 1541–1549

Abstract: Some patients with unstable angina and critical stenosis of the left anterior descending coronary artery (LAD) present with Wellens syndrome (WS), i.e., inverted or biphasic T-waves in the anterior precordial leads. We assessed clinical, angiographic, ... ...

Abstract	Some patients with unstable angina and critical stenosis of the left anterior descending coronary artery (LAD) present with Wellens syndrome (WS), i.e., inverted or biphasic T-waves in the anterior precordial leads. We assessed clinical, angiographic, electro- and echocardiographic characteristic of patients with WS. In this retrospective study, clinical, angiographic, electro- and echocardiographic characteristic of 35 patients with WS were compared to 57 patients with critical LAD stenosis and normal resting electrocardiogram (ECG), and 45 subjects with normal coronary angiogram. QTc dispersion was measured from the 12-lead ECG as the difference between longest and shortest QTc intervals. Mechanical dispersion was defined as the time difference between the longest and shortest contraction durations which were measured as the time from the first deflection of the QRS complex to maximum myocardial shortening of each 18 segmental longitudinal strain curves derived by speckle tracking echocardiography. There were no significant differences in the complexity and location of the LAD lesion, anterograde and collateral flow in LAD and coronary artery dominance between patients with WS and normal ECG (P > 0.05, for all). Patients with WS had lower global longitudinal strain (GLS) and more pronounced both QTc and myocardial mechanical dispersion than patients with critical LAD stenosis and normal ECG, and control subjects (P < 0.05). T-wave changes in patients with WS are associated with more profound regional myocardial dysfunction and increased QTc and myocardial mechanical dispersion. Similar angiographic characteristics of the LAD lesion were seen in patients with WS and normal ECG.
Language	English
Publishing date	2017-10
Publishing country	United States
Document type	Journal Article
ZDB-ID	2055311-0
ISSN	1875-8312 ; 1573-0743 ; 1569-5794 ; 0167-9899
ISSN (online)	1875-8312 ; 1573-0743
ISSN	1569-5794 ; 0167-9899
DOI	10.1007/s10554-017-1181-4
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