Association between aortic stiffness and left ventricular function in inflammatory bowel disease

Background: Recent studies have reported an increased incidence of both aortic stiffness and left ventricular (LV) systolic and diastolic dysfunction in patients with inflammatory bowel disease (IBD). However, the association between aortic stiffness and the LV function has not been fully defined. We aimed to investigate the relationship between aortic stiffness and the LV function in IBD patients. Methods and Results: Seventy-two patients with IBD (56 cases of ulcerative colitis and 16 cases of Crohn’s disease) and 50 healthy controls were consecutively enrolled in this study. The LV systolic and diastolic functions were assessed using conventional echocardiographic techniques, including tissue Doppler echocardiography. The degree of aortic strain and distensibility were calculated based on the aortic diameters measured on M-mode echocardiography at the level of 3 cm above the aortic valve and the blood pressure values obtained on sphygmomanometry. There were significant differences between the IBD and control group in the degree of aortic strain and distensibility. Significant differences were also observed between the patient and control groups in the parameters of the LV systolic and diastolic functions. Moreover, aortic stiffness was found to be associated with the LV function in the patient group. Conclusions: There is a significant relationship between aortic stiffness and LV systolic and diastolic dysfunction in patients with IBD, based on the findings of this study. The parameters of aortic elasticity measured according to 2-dimensional echocardiographic methods can be beneficial for predicting early cardiovascular risk in cases of IBD. (

New identities involving the Laplace and the ℒ\u3csub\u3e2\u3c/sub\u3e-transforms and their applications

In the present paper Parseval-Goldstein type theorems involving the ℒ -transform and the Laplace transform are proved. The theorems are then shown to yield a number of new identities involving several well-known integral transforms and special functions. Using the theorem and its corollaries, a number of interesting infinite integrals of elementary and special functions are presented. Some illustrative examples are also given. © 1999 Elsevier Science Inc. All rights reserved.

3 KVA'lık bir rüzgar enerji dönüşüm sistemindeki jeneratör karateristiklerinin belirlenmesi ve yöreninin rüzgar enerjisinin kullanılabilirliği

TEZ964Tez (Yüksek Lisans) -- Çukurova Üniversitesi, Adana, 1991.Kaynakça (s. 80-81) var.vii, 81[5] s. : hrt. ; 30 cm.

A theorem on the generalized Stieltjes transform and its applications

AbstractThis paper presents a proof of Parseval-Goldstein type theorem involving the generalized Stieltjes transform and the classical Laplace transform. The theorem is then shown to yield a number of results about the Widder potential transform and the Laguerre transform. Some illustrative examples are also given

Identities for the Widder transform and transforms with Bessel function kernels

In the present paper, we consider the classical Widder transform, the -transform, the -transform, and the -transform. Some identities involving these transforms and many others are given. By making use of these identities, a number of new Parseval-Goldstein type identities are obtained for these and other well-known integral transforms. © 2011 Elsevier Inc. All rights reserved. Hν Kν Y

A new method of solving Hermite\u27s differential equation using the script L sign\u3csub\u3e2\u3c/sub\u3e-transform

A method of solving Hermite\u27s differential equation using the laplace transform was presented. A relation between the laplace transform of the differentiation operator derivative of a function and the laplace transform of the function itself was derived. Solving Hermite\u27s differential equation it was required to evaluate the transform of a function that was expressed as t f(t).

A new method of solving Bessel’s differential equation using the ℒ\u3csub\u3e2\u3c/sub\u3e-transform

In the present paper, a new method of solving Bessel\u27s differential equation is given using the ℒ -transform. © 2002 Elsevier Science Inc. All rights reserved.

Identities for the exponential integral and the complementary error transforms

In the present paper the authors introduce the exponential integral transform and the complementary error transform, then it is shown that the third iterate of the Laplace transform is the exponential integral transform and a modified third iterate of the Laplace transform is the complementary error transform. Some identities involving these new transforms, the Laplace transform and the Stieltjes transform are given. Using the identities, Parseval-Goldstein type results involving these transforms are proved. Some illustrative examples are also given. © 2006 Elsevier Inc. All rights reserved