Restoring heart function and electrical integrity: closing the circuit

Luís Miguel Monteiro1,2,3, Francisco Vasques-Nóvoa1,2,4, Lino Ferreira3

  • 1i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.

Insights

Innovative bioengineered strategies, including gene/cell delivery and conductive biomaterials, aim to restore heart electrical integrity and repair cardiac tissue, addressing limitations in current cardiovascular disease therapies.

Area of Science:

  • Biomedical Engineering
  • Cardiology
  • Regenerative Medicine

Background:

  • Cardiovascular diseases are a leading global cause of death, frequently linked to arrhythmias from disrupted myocardial electrical integrity.
  • Dysfunction of cardiac excitatory/conductive tissues contributes significantly to morbidity and mortality, with current therapies facing limitations.

Purpose of the Study:

  • To review the state-of-the-art in bioengineered strategies for improving heart conduction and promoting myocardial repair.
  • To describe the biological principles of the cardiac electrical/conduction system and its disruption in heart disease.

Main Methods:

  • Review of current literature on gene/cell delivery for cardiac repair.
  • Analysis of conductive biomaterials in cardiac tissue engineering.
  • Description of the cardiac electrical system and disease-related disruptions.

Main Results:

  • Identification of gene/cell delivery and conductive biomaterials as key bioengineering approaches.
  • Elucidation of the cardiac electrical system's function and pathological alterations.
  • Highlighting the potential of these innovative strategies to overcome therapeutic limitations.

Conclusions:

  • Bioengineered strategies offer promising avenues for enhancing cardiac conduction and myocardial repair.
  • Further research is needed to optimize these approaches for clinical application in cardiovascular disease treatment.

Related Concept Videos

Electric Circuit Elements01:21

Electric Circuit Elements

Circuit elements are the basic building blocks of an electric circuit. Essentially, an electric circuit is the interconnection of these elements. Within electric circuits, one can find two types of elements: passive and active. Active elements have the ability to generate energy, whereas passive elements do not. Passive elements include components like resistors, capacitors, and inductors, while active elements typically encompass generators, batteries, and operational amplifiers.
The most...
2.8K
Network Function of a Circuit01:25

Network Function of a Circuit

Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
894
Restorative Care01:19

Restorative Care

Restorative care is provided once a patient has been discharged from a healthcare facility and requires additional services. The additional services include home care, rehabilitation programs, and extended care. Restorative care centers help the patient regain their previous level of functioning or acquire a new level of functioning due to the incapacitating effects of a disease or a disability. It aims to assist patients in enhancing their quality of life by encouraging independence,...
2.4K
Integration of Rational Functions Using Partial Fractions01:29

Integration of Rational Functions Using Partial Fractions

Rational functions are expressions written as the ratio of two polynomials, and their integrals are evaluated by simplifying the integrand into manageable parts. These functions are classified as proper or improper based on the degrees of the numerator and denominator.A rational function is proper when the degree of the numerator is less than the degree of the denominator. In this case, partial fraction decomposition is used to rewrite the function as a sum of simpler rational terms. The...
116
Applications of Integration to Probability Density Functions01:27

Applications of Integration to Probability Density Functions

Continuous probability distributions are used to model random variables that can take on any real value within a specified range. These variables do not take on isolated or countable values but rather exist on a continuum. For example, the height of an individual can be measured with increasing precision—such as 163.5 or 165.25 centimeters—demonstrating that height is a continuous random variable.The behavior of such variables is described using a probability density function (PDF),...
74
Second-Order Circuits01:17

Second-Order Circuits

Integrating two fundamental energy storage elements in electrical circuits results in second-order circuits, encompassing RLC circuits and circuits with dual capacitors or inductors (RC and RL circuits). Second-order circuits are identified by second-order differential equations that link input and output signals.
Input signals typically originate from voltage or current sources, with the output often representing voltage across the capacitor and/or current through the inductor. For example, in...
3.6K