Luiz Otavio Murta Jr
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Explore the profile of Luiz Otavio Murta Jr including associated specialties, affiliations and a list of published articles.
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11
Citations
71
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Recent Articles
1.
Borin Jr A, Humeau-Heurtier A, Silva L, Murta Jr L
Entropy (Basel)
. 2021 Dec;
23(12).
PMID: 34945926
Multiscale entropy (MSE) analysis is a fundamental approach to access the complexity of a time series by estimating its information creation over a range of temporal scales. However, MSE may...
2.
Borin Jr A, Silva L, Murta Jr L
Chaos
. 2021 Mar;
31(1):018102.
PMID: 33754788
No abstract available.
3.
Azimbagirad M, Grillo F, Hadadian Y, Carneiro A, Murta Jr L
J Med Imaging (Bellingham)
. 2021 Feb;
8(1):013503.
PMID: 33532513
Brain image volumetric measurements (BVM) methods have been used to quantify brain tissue volumes using magnetic resonance imaging (MRI) when investigating abnormalities. Although BVM methods are widely used, they need...
4.
Borin Jr A, Silva L, Murta Jr L
Chaos
. 2020 Sep;
30(8):083135.
PMID: 32872806
The introduction of the multiscale entropy (MSE) method was a milestone in the field of complex physiological signal analysis. However, since MSE is inapplicable for short signals, several variants of...
5.
Rincon Soler A, Silva L, Fazan Jr R, Murta Jr L
J Appl Physiol (1985)
. 2017 Sep;
124(3):646-652.
PMID: 28935830
Heart rate variability (HRV) analysis is widely used to investigate the autonomic regulation of the cardiovascular system. HRV is often analyzed using RR time series, which can be affected by...
6.
Silva L, Lataro R, Castania J, da Silva C, Valencia J, Murta Jr L, et al.
Am J Physiol Regul Integr Comp Physiol
. 2016 May;
311(1):R150-6.
PMID: 27225948
The analysis of heart rate variability (HRV) by nonlinear methods has been gaining increasing interest due to their ability to quantify the complexity of cardiovascular regulation. In this study, multiscale...
7.
da Silva L, da Silva Senra Filho A, Fazan V, Felipe J, Murta Jr L
Annu Int Conf IEEE Eng Med Biol Soc
. 2015 Jan;
2014:3345-8.
PMID: 25570707
Entropy analysis of images are usually performed using Shannon entropy, which calculates the probability of occurrency of each gray level on the image. However, not only the pixel gray level...
8.
Arruda P, Gatti M, Facio Jr F, Ferraz de Arruda J, Moreira R, Murta Jr L, et al.
BMC Clin Pathol
. 2013 Feb;
13:6.
PMID: 23414368
Background: Prostate cancer is a serious public health problem that affects quality of life and has a significant mortality rate. The aim of the present study was to quantify the...
9.
Videodensitometric analysis of advanced carotid plaque: correlation with MMP-9 and TIMP-1 expression
Baroncini L, Filho Pazin A, Murta Jr L, Nakao L, Ramos S, Precoma D
Cardiovasc Ultrasound
. 2011 Sep;
9:24.
PMID: 21923935
Background: Matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of MMP (TIMP) promote derangement of the extracellular matrix, which is ultimately reflected in plaque images seen on ultrasound. Videodensitometry can identify structural...
10.
Baroncini L, Nakao L, Ramos S, Pazin Filho A, Murta Jr L, Ingberman M, et al.
Thromb J
. 2011 Apr;
9(1):6.
PMID: 21457581
Background: Mature carotid plaques are complex structures, and their histological classification is challenging. The carotid plaques of asymptomatic and symptomatic patients could exhibit identical histological components. Objectives: To investigate whether...