Effects of Catheter, Stenosis and Thrombosis in Non-Newtonian Blood Flow Through Narrow Arteries with Clinical Applications: A Mathematical Model

Wajihah, S. Afiqah; Sankar, D. S.; Nagar, Atulya K.

doi:10.1007/s40819-022-01335-z

Cited by 7 publications

(1 citation statement)

References 49 publications

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“…Some recent studies on the blood flow analysis for stenosed arteries are referred to as. [13][14][15] Further, some more relevant scientific literature on blood flow through a stenosed segment with endoscopic catheter applications are provided. [16][17][18][19][20][21][22] Akhtar et al 23 already modeled the steady Casson fluid blood flow problem for a multiple stenosed artery considering cases of both symmetric addition to non-symmetric stenosis and provided an exact solution for the problem.…”

Section: Introductionmentioning

confidence: 99%

CFD analysis on blood flow inside a symmetric stenosed artery: Physiology of a coronary artery disease

et al. 2023

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This research article interprets the computational fluid dynamics analysis on blood flow inside a symmetric stenosed artery. The current problem models the blood flow inside the left coronary artery as having a symmetric stenosis in the central region. A comprehensive physiological examination of coronary artery disease is numerically evaluated by using the computational fluid dynamics toolbox Open-Field Operation And Manipulation. There are no assumptions of mild stenosis taken into account since the considered stenosis has an exactly measured length, height and position, etc. The blood flow problem is modeled for the non-Newtonian Casson fluid with unsteady, laminar, and incompressible flow assumptions. The underlying problem is solved numerically in its dimensional form. A thorough graphical analysis is provided on the blood flow simulations, pressure profile, velocity line graphs, pressure line graphs, and streamlines for the left coronary artery having a symmetric stenosis formation. The considered artery is divided into three sections, i.e. pre-stenosis, post-stenosis, and stenosis region, and the velocity and pressure line graphs are plotted for these considered regions. The graphical illustrations provide a detailed analysis of how the blood flow is affected inside the left coronary artery due to coronary artery disease. These pre- and post-stenosis velocity line graphs reveal two intriguing results: In the pre-stenosis zone, the velocity increases with increasing axial coordinate length, whereas in the post-stenosis region, the velocity decreases with rising axial coordinate length. It is evident that as the flow moves toward the stenosis region, the flow profile rises; yet, after passing through the stenosis zone, the flow profile begins to fall as the flow moves away from the stenosis region.

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Section: Introductionmentioning

confidence: 99%

CFD analysis on blood flow inside a symmetric stenosed artery: Physiology of a coronary artery disease

et al. 2023

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A review on non-Newtonian fluid models for multi-layered blood rheology in constricted arteries

Wajihah

Sankar

2023

Arch Appl Mech

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Haemodynamics is a branch of fluid mechanics which investigates the features of blood when it flows not only via blood vessels of smaller/larger diameter, but also under normal as well as abnormal flow states, such as in the presence of stenosis, aneurysm, and thrombosis. This review aims to discuss the rheological properties of blood, geometry of constrictions, dilations and the emergence of single-layered fluid to four-layered fluid models. To discuss further the influence of the aforesaid parameters on the physiologically important flow quantities, the mathematical formulation and solution methodology of the two-layered and four layered arterial blood flow problems studied by the authors (Afiqah and Sankar in ARPN J Eng Appl Sci 15:1129--1143, 2020, Comput Methods Programs Biomed 199:105907, 2021. 10.1016/j.cmpb.2020.105907) are recalled. It should be pointed out that the increasing resistive impedance to flow in three distinct states encompassing healthy, anaemic, and diabetic demonstrates that the greater the restriction in the artery, very few blood is carried to the pathetic organs, leading to subjects’ death. It is also discovered that the pulsatile nature of blood movement produces a dynamic environment that poses a slew of intriguing and unstable fluid mechanical state. It is hoped that the intriguing results gathered from this literature survey and review conducted may help the medical practitioners to forecast blood behaviour mobility in stenotic arteries. Furthermore, the physiological information gathered from the available clinical data from the literature on patients diagnosed with diabetes and anaemia may be beneficial to doctors in deciding the therapeutic procedure for treating some particular cardiovascular disease.

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Influence of thrombosis, stenosis and catheter on rheological characteristics of blood: a systematic review

Wajihah,

Sankar,

Nagar

2023

Arch Appl Mech

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Effects of Catheter, Stenosis and Thrombosis in Non-Newtonian Blood Flow Through Narrow Arteries with Clinical Applications: A Mathematical Model

Cited by 7 publications

References 49 publications

CFD analysis on blood flow inside a symmetric stenosed artery: Physiology of a coronary artery disease

CFD analysis on blood flow inside a symmetric stenosed artery: Physiology of a coronary artery disease

A review on non-Newtonian fluid models for multi-layered blood rheology in constricted arteries

Influence of thrombosis, stenosis and catheter on rheological characteristics of blood: a systematic review

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