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Showing 1 to 12 of 97 entries
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Sudden cardiac death in the young: The emerging role of molecular autopsy.

Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese

Letsas KP, Efremidis M, Sideris A.
PMID: 28487204
Hellenic J Cardiol. 2017 Mar - Apr;58(2):151-152. doi: 10.1016/j.hjc.2016.09.010. Epub 2017 May 06.

No abstract available.

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Letsas KP, Efremidis M, Sideris A. Sudden cardiac death in the young: The emerging role of molecular autopsy. Hellenic J Cardiol. 2017;58(2):151-152doi: 10.1016/j.hjc.2016.09.010.
Letsas, K. P., Efremidis, M., & Sideris, A. (2017). Sudden cardiac death in the young: The emerging role of molecular autopsy. Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese, 58(2), 151-152. https://doi.org/10.1016/j.hjc.2016.09.010
Letsas, Konstantinos P, et al. "Sudden cardiac death in the young: The emerging role of molecular autopsy." Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese vol. 58,2 (2017): 151-152. doi: https://doi.org/10.1016/j.hjc.2016.09.010
Letsas KP, Efremidis M, Sideris A. Sudden cardiac death in the young: The emerging role of molecular autopsy. Hellenic J Cardiol. 2017 Mar - Apr;58(2):151-152. doi: 10.1016/j.hjc.2016.09.010. Epub 2017 May 06. PMID: 28487204.
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Impact of baseline renal function on all-cause mortality in patients who underwent cardiac resynchronization therapy: A systematic review and meta-analysis.

Journal of arrhythmia

Bazoukis G, Letsas KP, Korantzopoulos P, Thomopoulos C, Vlachos K, Georgopoulos S, Karamichalakis N, Saplaouras A, Efremidis M, Sideris A.
PMID: 29021843
J Arrhythm. 2017 Oct;33(5):417-423. doi: 10.1016/j.joa.2017.04.005. Epub 2017 May 01.

BACKGROUND: Cardiac resynchronization therapy (CRT) improves both morbidity and mortality in selected patients with heart failure and increased QRS duration. However, chronic kidney disease (CKD) may have an adverse effect on patient outcome. The aim of this systematic review...

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Bazoukis G, Letsas KP, Korantzopoulos P, et al. Impact of baseline renal function on all-cause mortality in patients who underwent cardiac resynchronization therapy: A systematic review and meta-analysis. J Arrhythm. 2017;33(5):417-423doi: 10.1016/j.joa.2017.04.005.
Bazoukis, G., Letsas, K. P., Korantzopoulos, P., Thomopoulos, C., Vlachos, K., Georgopoulos, S., Karamichalakis, N., Saplaouras, A., Efremidis, M., & Sideris, A. (2017). Impact of baseline renal function on all-cause mortality in patients who underwent cardiac resynchronization therapy: A systematic review and meta-analysis. Journal of arrhythmia, 33(5), 417-423. https://doi.org/10.1016/j.joa.2017.04.005
Bazoukis, G, et al. "Impact of baseline renal function on all-cause mortality in patients who underwent cardiac resynchronization therapy: A systematic review and meta-analysis." Journal of arrhythmia vol. 33,5 (2017): 417-423. doi: https://doi.org/10.1016/j.joa.2017.04.005
Bazoukis G, Letsas KP, Korantzopoulos P, Thomopoulos C, Vlachos K, Georgopoulos S, Karamichalakis N, Saplaouras A, Efremidis M, Sideris A. Impact of baseline renal function on all-cause mortality in patients who underwent cardiac resynchronization therapy: A systematic review and meta-analysis. J Arrhythm. 2017 Oct;33(5):417-423. doi: 10.1016/j.joa.2017.04.005. Epub 2017 May 01. PMID: 29021843; PMCID: PMC5634685.
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CT colonoscopy for obstructive sigmoid endometriosis: a new technique for an old problem.

European journal of internal medicine

Tzambouras N, Katsanos KH, Tsili A, Papadimitriou K, Efremidis S, Tsianos EV.
PMID: 12067825
Eur J Intern Med. 2002 Jun;13(4):274-275. doi: 10.1016/s0953-6205(02)00035-3.

Endometriosis of the sigmoid colon is a pathologic entity which is infrequently reported. A 29-year-old woman was admitted to the hospital because of abdominal pain, constipation, and menstrual rectal bleeding. Endometriosis was suspected, and CT (virtual) colonoscopy showed severe...

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Tzambouras N, Katsanos KH, Tsili A, et al. CT colonoscopy for obstructive sigmoid endometriosis: a new technique for an old problem. Eur J Intern Med. 2002;13(4):274-275doi: 10.1016/s0953-6205(02)00035-3.
Tzambouras, N., Katsanos, K. H., Tsili, A., Papadimitriou, K., Efremidis, S., & Tsianos, E. V. (2002). CT colonoscopy for obstructive sigmoid endometriosis: a new technique for an old problem. European journal of internal medicine, 13(4), 274-275. https://doi.org/10.1016/s0953-6205(02)00035-3
Tzambouras, N, et al. "CT colonoscopy for obstructive sigmoid endometriosis: a new technique for an old problem." European journal of internal medicine vol. 13,4 (2002): 274-275. doi: https://doi.org/10.1016/s0953-6205(02)00035-3
Tzambouras N, Katsanos KH, Tsili A, Papadimitriou K, Efremidis S, Tsianos EV. CT colonoscopy for obstructive sigmoid endometriosis: a new technique for an old problem. Eur J Intern Med. 2002 Jun;13(4):274-275. doi: 10.1016/s0953-6205(02)00035-3. PMID: 12067825.
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Multichannel pulse dynamics in a stabilized Ginzburg-Landau system.

Physical review. E, Statistical, nonlinear, and soft matter physics

Nistazakis HE, Frantzeskakis DJ, Atai J, Malomed BA, Efremidis N, Hizanidis K.
PMID: 11909283
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Mar;65(3):036605. doi: 10.1103/PhysRevE.65.036605. Epub 2002 Feb 11.

We study the stability and interactions of chirped solitary pulses in a system of nonlinearly coupled cubic Ginzburg-Landau (CGL) equations with a group-velocity mismatch between them, where each CGL equation is stabilized by linearly coupling it to an additional...

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Nistazakis HE, Frantzeskakis DJ, Atai J, et al. Multichannel pulse dynamics in a stabilized Ginzburg-Landau system. Phys Rev E Stat Nonlin Soft Matter Phys. 2002;65(3):036605doi: 10.1103/PhysRevE.65.036605.
Nistazakis, H. E., Frantzeskakis, D. J., Atai, J., Malomed, B. A., Efremidis, N., & Hizanidis, K. (2002). Multichannel pulse dynamics in a stabilized Ginzburg-Landau system. Physical review. E, Statistical, nonlinear, and soft matter physics, 65(3), 036605. https://doi.org/10.1103/PhysRevE.65.036605
Nistazakis, H E, et al. "Multichannel pulse dynamics in a stabilized Ginzburg-Landau system." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 65,3 (2002): 036605. doi: https://doi.org/10.1103/PhysRevE.65.036605
Nistazakis HE, Frantzeskakis DJ, Atai J, Malomed BA, Efremidis N, Hizanidis K. Multichannel pulse dynamics in a stabilized Ginzburg-Landau system. Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Mar;65(3):036605. doi: 10.1103/PhysRevE.65.036605. Epub 2002 Feb 11. PMID: 11909283.
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Discrete solitons in photorefractive optically induced photonic lattices.

Physical review. E, Statistical, nonlinear, and soft matter physics

Efremidis NK, Sears S, Christodoulides DN, Fleischer JW, Segev M.
PMID: 12443344
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Oct;66(4):046602. doi: 10.1103/PhysRevE.66.046602. Epub 2002 Oct 02.

We demonstrate that optical discrete solitons are possible in appropriately oriented biased photorefractive crystals. This can be accomplished in optically induced periodic waveguide lattices that are created via plane-wave interference. Our method paves the way towards the observation of...

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Efremidis NK, Sears S, Christodoulides DN, et al. Discrete solitons in photorefractive optically induced photonic lattices. Phys Rev E Stat Nonlin Soft Matter Phys. 2002;66(4):046602doi: 10.1103/PhysRevE.66.046602.
Efremidis, N. K., Sears, S., Christodoulides, D. N., Fleischer, J. W., & Segev, M. (2002). Discrete solitons in photorefractive optically induced photonic lattices. Physical review. E, Statistical, nonlinear, and soft matter physics, 66(4), 046602. https://doi.org/10.1103/PhysRevE.66.046602
Efremidis, Nikos K, et al. "Discrete solitons in photorefractive optically induced photonic lattices." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 66,4 (2002): 046602. doi: https://doi.org/10.1103/PhysRevE.66.046602
Efremidis NK, Sears S, Christodoulides DN, Fleischer JW, Segev M. Discrete solitons in photorefractive optically induced photonic lattices. Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Oct;66(4):046602. doi: 10.1103/PhysRevE.66.046602. Epub 2002 Oct 02. PMID: 12443344.
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Disordered lattice solitons.

Physical review letters

Efremidis NK, Hizanidis K.
PMID: 18851530
Phys Rev Lett. 2008 Oct 03;101(14):143903. doi: 10.1103/PhysRevLett.101.143903. Epub 2008 Oct 02.

We study the properties of a nonlinear Schrödinger equation in the presence of a disordered potential modeling a waveguide array. We find that, for both signs of the nonlinearity, there is a large number of soliton families each one...

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Efremidis NK, Hizanidis K. Disordered lattice solitons. Phys Rev Lett. 2008;101(14):143903doi: 10.1103/PhysRevLett.101.143903.
Efremidis, N. K., & Hizanidis, K. (2008). Disordered lattice solitons. Physical review letters, 101(14), 143903. https://doi.org/10.1103/PhysRevLett.101.143903
Efremidis, Nikolaos K, and Hizanidis, Kyriakos. "Disordered lattice solitons." Physical review letters vol. 101,14 (2008): 143903. doi: https://doi.org/10.1103/PhysRevLett.101.143903
Efremidis NK, Hizanidis K. Disordered lattice solitons. Phys Rev Lett. 2008 Oct 03;101(14):143903. doi: 10.1103/PhysRevLett.101.143903. Epub 2008 Oct 02. PMID: 18851530.
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Current ablation strategies for persistent and long-standing persistent atrial fibrillation.

Cardiology research and practice

Letsas KP, Efremidis M, Charalampous C, Tsikrikas S, Sideris A.
PMID: 21403874
Cardiol Res Pract. 2011 Mar 03;2011:376969. doi: 10.4061/2011/376969.

Atrial fibrillation (AF) is associated with an increased risk of cardiac and overall mortality. Restoration and maintenance of sinus rhythm is of paramount importance if it can be accomplished without the use of antiarrhythmic drugs. Catheter ablation has evolved...

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Letsas KP, Efremidis M, Charalampous C, et al. Current ablation strategies for persistent and long-standing persistent atrial fibrillation. Cardiol Res Pract. 2011;2011:376969doi: 10.4061/2011/376969.
Letsas, K. P., Efremidis, M., Charalampous, C., Tsikrikas, S., & Sideris, A. (2011). Current ablation strategies for persistent and long-standing persistent atrial fibrillation. Cardiology research and practice, 2011376969. https://doi.org/10.4061/2011/376969
Letsas, Konstantinos P, et al. "Current ablation strategies for persistent and long-standing persistent atrial fibrillation." Cardiology research and practice vol. 2011 (2011): 376969. doi: https://doi.org/10.4061/2011/376969
Letsas KP, Efremidis M, Charalampous C, Tsikrikas S, Sideris A. Current ablation strategies for persistent and long-standing persistent atrial fibrillation. Cardiol Res Pract. 2011 Mar 03;2011:376969. doi: 10.4061/2011/376969. PMID: 21403874; PMCID: PMC3051161.
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Linear and nonlinear waves in surface and wedge index potentials.

Optics letters

Efremidis NK, Papazoglou DG, Tzortzakis S.
PMID: 22660058
Opt Lett. 2012 Jun 01;37(11):1874-6. doi: 10.1364/OL.37.001874.

We study optical beams that are supported at the surface of a medium with a linear index potential and by a piecewise linear wedge-type potential. In the linear limit the modes are described by Airy functions. In the nonlinear...

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Efremidis NK, Papazoglou DG, Tzortzakis S. Linear and nonlinear waves in surface and wedge index potentials. Opt Lett. 2012;37(11):1874-6doi: 10.1364/OL.37.001874.
Efremidis, N. K., Papazoglou, D. G., & Tzortzakis, S. (2012). Linear and nonlinear waves in surface and wedge index potentials. Optics letters, 37(11), 1874-6. https://doi.org/10.1364/OL.37.001874
Efremidis, Nikolaos K, et al. "Linear and nonlinear waves in surface and wedge index potentials." Optics letters vol. 37,11 (2012): 1874-6. doi: https://doi.org/10.1364/OL.37.001874
Efremidis NK, Papazoglou DG, Tzortzakis S. Linear and nonlinear waves in surface and wedge index potentials. Opt Lett. 2012 Jun 01;37(11):1874-6. doi: 10.1364/OL.37.001874. PMID: 22660058.
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Observation of self-accelerating Bessel-like optical beams along arbitrary trajectories.

Optics letters

Zhao J, Zhang P, Deng D, Liu J, Gao Y, Chremmos ID, Efremidis NK, Christodoulides DN, Chen Z.
PMID: 23455115
Opt Lett. 2013 Feb 15;38(4):498-500. doi: 10.1364/OL.38.000498.

We experimentally demonstrate self-accelerating Bessel-like optical beams propagating along arbitrary trajectories in free space. With computer-generated holography, such beams are designed to follow different controllable trajectories while their main lobe transverse profiles remain nearly invariant and symmetric. Examples include...

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Zhao J, Zhang P, Deng D, et al. Observation of self-accelerating Bessel-like optical beams along arbitrary trajectories. Opt Lett. 2013;38(4):498-500doi: 10.1364/OL.38.000498.
Zhao, J., Zhang, P., Deng, D., Liu, J., Gao, Y., Chremmos, I. D., Efremidis, N. K., Christodoulides, D. N., & Chen, Z. (2013). Observation of self-accelerating Bessel-like optical beams along arbitrary trajectories. Optics letters, 38(4), 498-500. https://doi.org/10.1364/OL.38.000498
Zhao, Juanying, et al. "Observation of self-accelerating Bessel-like optical beams along arbitrary trajectories." Optics letters vol. 38,4 (2013): 498-500. doi: https://doi.org/10.1364/OL.38.000498
Zhao J, Zhang P, Deng D, Liu J, Gao Y, Chremmos ID, Efremidis NK, Christodoulides DN, Chen Z. Observation of self-accelerating Bessel-like optical beams along arbitrary trajectories. Opt Lett. 2013 Feb 15;38(4):498-500. doi: 10.1364/OL.38.000498. PMID: 23455115.
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Idiopathic ventricular tachycardia arising from the right ventricular apex.

Indian pacing and electrophysiology journal

Letsas KP, Efremidis M, Tsikrikas S, Sideris A.
PMID: 23573062
Indian Pacing Electrophysiol J. 2013 Mar;13(2):80-3. doi: 10.1016/s0972-6292(16)30608-8. Epub 2013 Mar 07.

We present a rare case of idiopathic ventricular tachycardia arising from the right ventricular apex. The electrocardiographic and electrophysiological characteristics of this tachycardia are discussed.

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Letsas KP, Efremidis M, Tsikrikas S, et al. Idiopathic ventricular tachycardia arising from the right ventricular apex. Indian Pacing Electrophysiol J. 2013;13(2):80-3doi: 10.1016/s0972-6292(16)30608-8.
Letsas, K. P., Efremidis, M., Tsikrikas, S., & Sideris, A. (2013). Idiopathic ventricular tachycardia arising from the right ventricular apex. Indian pacing and electrophysiology journal, 13(2), 80-3. https://doi.org/10.1016/s0972-6292(16)30608-8
Letsas, Konstantinos P, et al. "Idiopathic ventricular tachycardia arising from the right ventricular apex." Indian pacing and electrophysiology journal vol. 13,2 (2013): 80-3. doi: https://doi.org/10.1016/s0972-6292(16)30608-8
Letsas KP, Efremidis M, Tsikrikas S, Sideris A. Idiopathic ventricular tachycardia arising from the right ventricular apex. Indian Pacing Electrophysiol J. 2013 Mar;13(2):80-3. doi: 10.1016/s0972-6292(16)30608-8. Epub 2013 Mar 07. PMID: 23573062; PMCID: PMC3594902.
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Impact of major earthquakes on the incidence of acute coronary syndromes - A systematic review of the literature.

Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese

Bazoukis G, Tse G, Naka KK, Kalfakakou V, Vlachos K, Saplaouras A, Letsas KP, Korantzopoulos P, Thomopoulos C, Michelongona P, Bazoukis X, González-Salvado V, Liu T, Michalis LK, Baranchuk A, Itoh T, Efremidis M, Tsioufis C, Stavrakis S.
PMID: 29807192
Hellenic J Cardiol. 2018 Sep - Oct;59(5):262-267. doi: 10.1016/j.hjc.2018.05.005. Epub 2018 May 25.

Natural disasters such as tsunami, hurricanes, and earthquakes may have a negative impact on cardiac health. The aim of our systematic review is to evaluate the impact of earthquakes on the incidence of acute coronary syndromes and cardiac mortality...

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Bazoukis G, Tse G, Naka KK, et al. Impact of major earthquakes on the incidence of acute coronary syndromes - A systematic review of the literature. Hellenic J Cardiol. 2018;59(5):262-267doi: 10.1016/j.hjc.2018.05.005.
Bazoukis, G., Tse, G., Naka, K. K., Kalfakakou, V., Vlachos, K., Saplaouras, A., Letsas, K. P., Korantzopoulos, P., Thomopoulos, C., Michelongona, P., Bazoukis, X., González-Salvado, V., Liu, T., Michalis, L. K., Baranchuk, A., Itoh, T., Efremidis, M., Tsioufis, C., & Stavrakis, S. (2018). Impact of major earthquakes on the incidence of acute coronary syndromes - A systematic review of the literature. Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese, 59(5), 262-267. https://doi.org/10.1016/j.hjc.2018.05.005
Bazoukis, George, et al. "Impact of major earthquakes on the incidence of acute coronary syndromes - A systematic review of the literature." Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese vol. 59,5 (2018): 262-267. doi: https://doi.org/10.1016/j.hjc.2018.05.005
Bazoukis G, Tse G, Naka KK, Kalfakakou V, Vlachos K, Saplaouras A, Letsas KP, Korantzopoulos P, Thomopoulos C, Michelongona P, Bazoukis X, González-Salvado V, Liu T, Michalis LK, Baranchuk A, Itoh T, Efremidis M, Tsioufis C, Stavrakis S. Impact of major earthquakes on the incidence of acute coronary syndromes - A systematic review of the literature. Hellenic J Cardiol. 2018 Sep - Oct;59(5):262-267. doi: 10.1016/j.hjc.2018.05.005. Epub 2018 May 25. PMID: 29807192.
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Independent amplitude and trajectory/beam-width control of nonparaxial beams.

Optics express

Goutsoulas M, Penciu RS, Efremidis NK.
PMID: 30114156
Opt Express. 2018 Jul 23;26(15):18969-18974. doi: 10.1364/OE.26.018969.

We show that it is possible to generate non-paraxial optical beams with pre-engineered trajectories and designed maximum amplitude along these trajectories. The independent control of these two degrees of freedom is made possible by engineering both the amplitude and...

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Goutsoulas M, Penciu RS, Efremidis NK. Independent amplitude and trajectory/beam-width control of nonparaxial beams. Opt Express. 2018;26(15):18969-18974doi: 10.1364/OE.26.018969.
Goutsoulas, M., Penciu, R. S., & Efremidis, N. K. (2018). Independent amplitude and trajectory/beam-width control of nonparaxial beams. Optics express, 26(15), 18969-18974. https://doi.org/10.1364/OE.26.018969
Goutsoulas, Michael, et al. "Independent amplitude and trajectory/beam-width control of nonparaxial beams." Optics express vol. 26,15 (2018): 18969-18974. doi: https://doi.org/10.1364/OE.26.018969
Goutsoulas M, Penciu RS, Efremidis NK. Independent amplitude and trajectory/beam-width control of nonparaxial beams. Opt Express. 2018 Jul 23;26(15):18969-18974. doi: 10.1364/OE.26.018969. PMID: 30114156.
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Showing 1 to 12 of 97 entries