scholarly journals System Identification Algorithm Analysis of Acupuncture Effect on Mean Blood Flux of Contralateral Hegu Acupoint

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Guangjun Wang ◽  
Jianguo Han ◽  
Gerhard Litscher ◽  
Weibo Zhang
Keyword(s):  
System Identification ◽  
The Body ◽  
Algorithm Analysis ◽  
Special Importance ◽  
Identification Algorithm ◽  
Full Field ◽  
The Mean ◽  
The Right ◽  
The Relationship ◽  
Acupoint Stimulation

Background. Acupoints (belonging to 12 meridians) which have the same names are symmetrically distributed on the body. It has been proved that acupoints have certain biological specificities different from the normal parts of the body. However, there is little evidence that acupoints which have the same name and are located bilaterally and symmetrically have lateralized specificity. Thus, researching the lateralized specificity and the relationship between left-side and right-side acupuncture is of special importance.Methodology and Principal Findings. The mean blood flux (MBF) in both Hegu acupoints was measured by Moor full-field laser perfusion imager. With the method of system identification algorithm, the output distribution in different groups was acquired, based on different acupoint stimulation and standard signal input. It is demonstrated that after stimulation of the right Hegu acupoint by needle, the output value of MBF in contralateral Hegu acupoint was strongly amplified, while after acupuncturing the left Hegu acupoint, the output value of MBF in either side Hegu acupoint was amplified moderately.Conclusions and Significance. This paper indicates that the Hegu acupoint has lateralized specificity. After stimulating the ipsilateral Hegu acupoint, symmetry breaking will be produced in contrast to contralateral Hegu acupoint stimulation.

scholarly journals ANTHROPOMETRIC ASSESSMENT OF DIGIT LENGTHS AND DIGIT RATIOS OFVITILIGO SUBJECTS IN PORT HARCOURT, RIVERS STATE

2021 ◽  
Vol 9 (11) ◽  
pp. 907-911
Author(s):  
Gwunireama I.U. ◽  
◽  
Ogoun T.R. ◽  
Adheke O.M. ◽  
Wariboko L.I. ◽  
...  
Keyword(s):  
Standard Deviation ◽  
Significant Positive Correlation ◽  
The Body ◽  
Positive Correlation ◽  
Left Hand ◽  
Right Hand ◽  
Study Results ◽  
The Mean ◽  
The Right ◽  
The Relationship

Vitiligo is a skin pigmentation disorder that is caused by a loss of melanocytes, characterized by white spots around certain parts of the body. The aim of this study was to investigate the relationship between digit length, digit (2D:4D) ratio and vitiligo among vitiligo patients within a south-southern Nigeria. Informed consents were obtained from 98 vitiligo adult subjects (69 females and 29 males) in the age range of 18 – 50 years. The measurements that were obtained were the digit lengths of second and fourth fingers for both hands using the digital vernier caliper. The mean and standard deviation values were calculated for all measurements. A Pearson correlation was used to analyse the relationship between the various measurements for both hands in the study. Results showed that the mean ± standard deviation of the various parameters for the female category. Right 2D length was 6.67± 7.53cm, left 2D length was 6.68 ± 7.32cm, right 4D length and left 4D length were 6.86 ± 8.57cm and 6.89 ± 8.50cm respectively. While, the mean and standard deviation values for right and left 2D:4D ratios for the female category were 0.98 ± 0.15 and 0.98 ± 0.12 respectively. In the males, right 2D length was 6.66 ± 9.66cm, left 2D length was 6.64 ± 9.86cm, right 4D length and left 4D length were 6.99 ± 10.09cm and 7.03± 10.40cm respectively. While, the mean and standard deviation values for right and left 2D:4D ratios for the male category were 0.95 ± 0.03 and 0.95 ± 0.03 respectively. In the females for the right hand, there was a significant positive correlation between 2D length and 4D length (r = 0.761, p = 0.000) while there was a significant negative correlation between 4D length and digit ratio (r = -0.473, p = 0.000) at p < 0.01. For the left hand, there was a significant positive correlation between 2D length and 4D length (r = 0.783, p = 0.000). In the males for the right hand, there was a significant positive correlation between 2D length and 4D length (r = 0.976, p = 0.000). For the left hand, there was a significant positive correlation between 2D length and 4D length (r = 0.981, p = 0.000).It can be concluded that the knowledge of 2D:4D ratio among vitiligosubjects could be helpful in clinical anthropometry however, more research has to be done considering that the sample size of this study is relatively small.

659Left atrial wall thickness evaluation during atrial fibrillation redo procedures

EP Europace ◽  
2020 ◽  
Vol 22 (Supplement_1) ◽  
Author(s):  
C Teres ◽  
D Soto ◽  
B Jauregui ◽  
D Penela ◽  
A Ordonez ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Wall Thickness ◽  
Atrial Wall ◽  
Ablation Procedure ◽  
Left Atrial Wall ◽  
Local Distance ◽  
The Mean ◽  
The Right ◽  
The Relationship ◽  
Funding Acknowledgements

Abstract Funding Acknowledgements Dr Teres was funded by Swiss Heartrhythm Foundation Introduction pulmonary vein (PV) reconnections due to gaps on circumferential ablation lines are responsible for atrial fibrillation recurrences after catheter ablation. We sought to analyze the local left atrial wall thickness (LAWT) of PV line gaps at AF redo ablation during real-time catheter positioning. LAWT was measured on the MDCT 3D reconstruction and fused with the LA anatomy using CARTO-merge. Objective To analyze the relationship between local reconnection gaps and the LAWT during AF redo procedures. Methods Single-Center cohort study that included 41 consecutive patients referred for AF redo procedure. All patients had a MDCT prior to the ablation procedure. LAWT maps were semi-automatically computed from the MDCT as the local distance between the LA endo and epicardium. Each PV line was subdivided into 8 segments and mean LAWT was computed. During the procedure, the local gap was defined as the earliest activation site at the reconnected segment of the circumferential PV line (Figure 1A & 1B). Results 41 patients [31 (75.6%) male, age 60 ± 10 years] were included. Mean LAWT was 1.36 ± 0.20 mm. Mean PV circumferential line WT was higher in left PVs than in the right PVs 1.68 ± 0.57 vs. 1.31 ± 0.39 mm p &lt; 0.001 respectively. Mean WT of the reconnected points was 44% higher than the mean WT of the segment where the reconnection was located. Mean reconnection point WT was at the 87th percentile of the circumferential line in the LPVs and at the 76th percentile in the RPVs. The reconnected point WT was higher in the LPVs than RPVs 2.13 ± 1.14 vs. 1.47 ± 0.48 mm p &lt; 0.001 respectively.  The most frequent location for reconnections was the left anterior carina (71%), with a mean WT of 2.24 ± 0.91mm; and the right anterior carina (56%) with a mean WT of 1.57 ± 0.62mm (Figure 2A & 2B). Conclusions Reconnection points were more frequently present in the thicker segments of the PV circumferential line. The most frequently reconnected segment was the anterior carina in both right and left PVs. Atrial wall thickness maps derived from MDCT are useful to guide AF redo procedures. Abstract Figure. 1) Activation & WT map; 2) Segment WT

Association of epicardial fat thickness with left ventricular diastolic function parameters in a community population

2021 ◽  
Author(s):  
Wei Ma ◽  
Baowei Zhang ◽  
Ying Yang ◽  
Litong Qi ◽  
Jin Zhou ◽  
...  
Keyword(s):  
Confidence Interval ◽  
Right Ventricular ◽  
Diastolic Function ◽  
Ventricular Free Wall ◽  
Free Wall ◽  
Right Ventricular Free Wall ◽  
Community Population ◽  
The Mean ◽  
The Right ◽  
The Relationship

Abstract Purpose We examined the relationship between EFT measured by echocardiography and LV diastolic function parameters in a Beijing community population. Methods We included 1004 participants in this study. Echocardiographic parameters including E and A peak velocity, the early diastolic velocities (e’) of the septal and lateral of mitral annulus using tissue doppler imaging, E/e’, and EFT, were measured. EFT1 was measured perpendicularly on the right ventricular free wall at end-diastole in the extension line of the aortic root. EFT2 was the maximum thickness measured perpendicularly on the right ventricular free wall at end-diastole. Multivariate linear regression was used to analyze the relationship between EFT and the mean e’ and E/e’. Results The mean age of the participants was 63.91 ± 9.02 years old (51.4% men). EFT1 and EFT2 were negatively correlated with e’ lat, e’ sep, and e’ mean (p < 0.05), and positively correlated with E/e’ lat, E/e’ sep, and E/e’ mean. Multivariate regression analysis showed that EFT1 and EFT2 were independently and negatively correlated with e’ mean (EFT1: β = −0.089 [95% confidence interval = − 0.177, − 0.000, p = 0.050]; EFT2: β = −0.078 [95% confidence interval = − 0.143, − 0.012, p = 0.020]). There were no interactions between EFT and any covariates, including age or heart groups, sex, BMI, or presence of hypertension, diabetes, or coronary heart disease in relation to LV diastolic dysfunction. Conclusions EFT was negatively and independently correlated with e’ mean, suggesting that more attention to this type of adipose fat is required for cardiovascular disease therapy.

Improvement of Laterality Through the ABN Method in a Learning Enviroment in Early Education

2021 ◽  
pp. 33-54
Author(s):  
David Zamorano-Garcia ◽  
Paula Flores-Morcillo ◽  
María Isabel Gil-García ◽  
Miguel Ángel Aguilar-Jurado
Keyword(s):  
Early Childhood ◽  
Early Childhood Education ◽  
Physical Education ◽  
The Body ◽  
Childhood Education ◽  
Left Handed ◽  
And Mathematics ◽  
The Right ◽  
The Relationship ◽  
Shed Light

This chapter aims to shed light on the relationship between the development of laterality and the learning of mathematics in early childhood education using the ABN method. Thus, the authors present an experience developed with 24 children of 4 and 5 years old from several sessions of physical education where laterality and mathematics were worked on in the framework of a project developed in the classroom. The neuropsychological laterality test and a psychomotor table with values referred exclusively to manual and foot laterality, and indicators referred to the ABN method were used as evaluation instruments. The results obtained indicate that students with homogeneous right- or left-handed laterality obtain better results, as well as those with crossed laterality, since they have defined their manual and foot dominance. However, students with undefined laterality obtain worse results, even showing a lateral tendency towards the use of the right side of the body.

Postnatal Development of a Left-Right Atrial Pressure Gradient

1956 ◽  
Vol 186 (3) ◽  
pp. 521-524 ◽  
Author(s):  
A. van Harreveld ◽  
F. E. Russell
Keyword(s):  
Left Ventricle ◽  
Pressure Gradient ◽  
Left Atrium ◽  
Postnatal Development ◽  
Right Atrial ◽  
Left And Right ◽  
The Mean ◽  
The Right ◽  
The Relationship ◽  
Equal Thickness

The mean left and right atrial pressures were measured in six groups of 10 kittens each. One group was examined between the 12th and 24th hour after birth, one group after 3 days, after 1 week, 2 weeks, 1 month and 2 months. The left and right atrial pressures were almost equal in the first group. With age an increasing left to right pressure gradient developed. In the oldest group the pressure in the left atrium was almost twice as great as in the right. Parallel with the pressure gradient a difference developed in the wall thicknesses of the left and right ventricles. At birth the ventricular walls were of about equal thickness; at age 2 months the left ventricle wall was more than twice as thick as the right. The relationship between ventricle wall thicknesses and atrial pressures is discussed.

Mechanical properties and dimensions of the major pulmonary arteries

1960 ◽  
Vol 15 (1) ◽  
pp. 92-96 ◽  
Author(s):  
Dali J. Patel ◽  
Donald P. Schilder ◽  
Alexander J. Mallos
Keyword(s):  
Pulmonary Artery ◽  
Pulse Pressure ◽  
Technical Assistance ◽  
Main Pulmonary Artery ◽  
Pulmonary Arteries ◽  
Cross Sectional ◽  
Measurement Control ◽  
The Mean ◽  
The Right ◽  
The Relationship

The relationship between instantaneous distending pressure and diameter of the pulmonary artery was studied in 18 living thoracotomized dogs. An electrical caliper with adequate recording characteristics was developed for instantaneous diameter measurement. Control observations were made over a range of pressures induced by rapid, right heart dextran-infusion and were compared with those obtained during norepinephrine administration. Results indicate: a) the pulse contours of the pulmonary artery pressure and diameter are essentially identical, indicating negligible inertance and viscous resistance of the vessel wall, b) the mean change in average radius during a cardiac cycle was ±7.8% ± 2.86 S.D. ± .32 S.E.M. (0.48%/cm H2O pulse pressure) under control conditions, c) the ratio of change in radius to pulse pressure, R/P, showed a significant decrease during norepinephrine administration when compared to control values within the same pressure range (P < .01) and d) the cross-sectional area of the main pulmonary artery exceeded that of the right and left combined. Note: (With the Technical Assistance of Alfred G. T. Casper) Submitted on August 25, 1959

A Study of the Variation of Size within two Species of Aphides

1940 ◽  
Vol 31 (1) ◽  
pp. 45-56
Author(s):  
G. H. L. Dicker ◽  
S. C. Pearce
Keyword(s):  
The Body ◽  
Standard Errors ◽  
Mean Values ◽  
The Mean ◽  
The Asymmetry ◽  
The Right ◽  
Different Parts

At least 30 specimens of each form of Macrosiphum rubiellum, Theobald, and Aphis idaei, van der Goot, were collected, mounted and their principal organs measured.Correlations were calculated between different parts on the right side and the conclusion reached that the ratios of lengths of organs were unstable characteristics of the species examined. High correlations were obtained between the same part on different sides of the body.The mean values and standard errors are tabulated and a method given for assigning limits of variation within a species. The standard errors obtained were of the order of 7 per cent. of the mean.The asymmetry, kurtosis and skewness of the distributions were calculated to test the effect of possible non-normality on the foregoing work.

scholarly journals Association of Epicardial Fat Thickness with Left Ventricular Diastolic Function in a Community Population

2020 ◽  
Author(s):  
Wei Ma ◽  
Baowei Zhang ◽  
Ying Yang ◽  
Litong Qi ◽  
Jin Zhou ◽  
...  
Keyword(s):  
Diastolic Function ◽  
Left Ventricular ◽  
Free Wall ◽  
Right Ventricular Free Wall ◽  
Fat Thickness ◽  
The Mean ◽  
Lv Diastolic Dysfunction ◽  
The Right ◽  
The Relationship ◽  
Lv Diastolic Function

Abstract Background Left ventricular (LV) diastolic dysfunction can be a sole cause of all-cause mortality, while increased epicardial fat thickness (EFT) is significantly correlated with impairment of LV diastolic function. Herein, we examined the relationship between EFT measured by echocardiography and LV diastolic function in a Beijing community population.Methods We included 1004 participants in this study. Echocardiographic parameters including E and A peak velocity, the early diastolic velocities (e’) of the septal and lateral of mitral annulus using tissue doppler imaging, E/e’, and EFT, were measured. EFT1 was measured perpendicularly on the right ventricular free wall at end-diastole in the extension line of the aortic root. EFT2 was the maximum thickness measured perpendicularly on the right ventricular free wall at end-diastole. Multivariate linear regression was used to analyze the relationship between EFT and the mean e’ and E/e’.Results The mean age of the participants was 63.91 ± 9.02 years old (51.4% men). EFT1 and EFT2 were negatively correlated with e’ lat, e’ sep, and e’ mean (p < 0.05), and positively correlated with E/e’ lat, E/e’ sep, and E/e’ mean. Multivariate regression analysis showed that EFT1 and EFT2 were independently and negatively correlated with e’ mean (EFT1: β = −0.089 [95% confidence interval = −0.177, −0.000, p = 0.050]; EFT2: β = −0.078 [95% confidence interval = −0.143, −0.012, p = 0.020]). There were no interactions between EFT and any covariates, including age or heart groups, sex, BMI, or presence of hypertension, diabetes, or coronary heart disease in relation to LV diastolic dysfunction.Conclusions EFT was negatively and independently correlated with e’ mean, suggesting that more attention to this type of adipose fat is required for cardiovascular disease therapy.

scholarly journals Persepsi dan Tahap Pengetahuan Peserta Dan Agen Takaful Terhadap Pelaksanaan Zakat Takaful: Kajian Di Shah Alam, Selangor (Perceptions and Knowledge Levels of Takaful Participants and Agencies towards Implementation of Takaful Zakat: A Study In Shah Alam, Selangor)

2019 ◽  
Vol 6 (2-2) ◽  
Author(s):  
Nur Amirah Jaafar ◽  
Hairunnizam Wahid ◽  
Mohd Ali Mohd Noor
Keyword(s):  
Sampling Method ◽  
The Body ◽  
Permanent Disability ◽  
Level Of Knowledge ◽  
The Mean ◽  
The Right ◽  
High Level ◽  
Push Factor ◽  
Knowledge And Acceptance

When it comes to zakat obligations, people only know certain types of zakat that are obligated to be issued. There are two types of zakat; zakat fitrah and zakat property. However, zakat’s division may vary according to the state's fatwa. In Selangor, Lembaga Zakat Selangor (LZS) is the body that governs the administration and implementation of Zakat. The breakdown of zakat property is Zakat on Income, Zakat on Business, Zakat on Savings, Zakat on Gold and Silver, Zakat on Investments and Shares, Zakat on KWSP, Zakat on Paddy, Zakat on Agriculture, Zakat on Wealth and Treasure, and the Zakat on Takaful. However, this study will only focus on Zakat Takaful. Under Zakat Takaful, there are several divisions which are Zakat Wang Takaful/Takaful Investment, Zakat on Maturity Policy, Takaful Compensation, Tabarruq Fund, Benefit of Total and Permanent Disability, and Compensation of Conventional Insurance Policy. Each of these sections has its calculation method which will be explained further. This study was conducted to identify the level of knowledge and acceptance of Takaful Muslim consumers on the implementation of Zakat Takaful that has been introduced by LZS. Besides, this study will also look at the knowledge of Takaful agents and their willingness to disseminate information of Zakat Takaful to their customers. This study was conducted by using the sampling method and descriptive data analysis. The study found that on average, respondents' knowledge on Zakat Takaful is low with a mean of 2.32. However, the mean for acceptance is 3.93 which is set at a high level thus showed a good acceptance of the survey respondents. Through this study, it can be concluded that knowledge and acceptance are both very important in achieving the objective of implementing Zakat Takaful. Knowledge by Takaful participants who are also assisted by agents who play the role of conveying knowledge of Zakat Takaful is directly perceived to have a more effective effect in addition to the behavior/attitude that forms the intention of Takaful participnts to accept the implementation and to pay Zakah Takaful. This study is also expected to be the push factor among the zakat agents to play a role in disseminating the right information about Zakat Takaful to their customers, which also can be regarded as one of the da'wah forms.

scholarly journals Association of Epicardial Fat Thickness With Left Ventricular Diastolic Function Parameters in a Community Population

2021 ◽  
Author(s):  
Wei Ma ◽  
Baowei Zhang ◽  
Ying Yang ◽  
Litong Qi ◽  
Jin Zhou ◽  
...  
Keyword(s):  
Confidence Interval ◽  
Right Ventricular ◽  
Diastolic Function ◽  
Ventricular Free Wall ◽  
Free Wall ◽  
Right Ventricular Free Wall ◽  
Community Population ◽  
The Mean ◽  
The Right ◽  
The Relationship

Abstract Purpose We examined the relationship between EFT measured by echocardiography and LV diastolic function parameters in a Beijing community population.Methods We included 1004 participants in this study. Echocardiographic parameters including E and A peak velocity, the early diastolic velocities (e’) of the septal and lateral of mitral annulus using tissue doppler imaging, E/e’, and EFT, were measured. EFT1 was measured perpendicularly on the right ventricular free wall at end-diastole in the extension line of the aortic root. EFT2 was the maximum thickness measured perpendicularly on the right ventricular free wall at end-diastole. Multivariate linear regression was used to analyze the relationship between EFT and the mean e’ and E/e’.Results The mean age of the participants was 63.91 ± 9.02 years old (51.4% men). EFT1 and EFT2 were negatively correlated with e’ lat, e’ sep, and e’ mean (p < 0.05), and positively correlated with E/e’ lat, E/e’ sep, and E/e’ mean. Multivariate regression analysis showed that EFT1 and EFT2 were independently and negatively correlated with e’ mean (EFT1: β = −0.089 [95% confidence interval = −0.177, −0.000, p = 0.050]; EFT2: β = −0.078 [95% confidence interval = −0.143, −0.012, p = 0.020]). There were no interactions between EFT and any covariates, including age or heart groups, sex, BMI, or presence of hypertension, diabetes, or coronary heart disease in relation to LV diastolic dysfunction.Conclusions EFT was negatively and independently correlated with e’ mean, suggesting that more attention to this type of adipose fat is required for cardiovascular disease therapy.

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