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Related Concept Videos

Integration of Rational Functions Using Partial Fractions01:29

Integration of Rational Functions Using Partial Fractions

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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...
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Partial Fractions01:28

Partial Fractions

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A partial fraction is a component of a rational expression represented as the sum of simpler fractions. When a rational function is expressed as a ratio of two polynomials, it can often be decomposed into a sum of fractions whose denominators are simpler polynomials, typically linear or irreducible quadratic factors. This process is called partial fraction decomposition, and it is used to simplify complex expressions for integration, solving equations, or analysis.Partial fraction decomposition...
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Dosage Regimens: Partial Pharmacokinetic Parameters01:01

Dosage Regimens: Partial Pharmacokinetic Parameters

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It is not uncommon for complete drug pharmacokinetic profiles to remain elusive in pharmacokinetics. This necessitates certain educated assumptions by pharmacokineticists to determine appropriate dosage regimens without comprehensive pharmacokinetic data from animal or human studies. One prevalent assumption is setting the bioavailability factor, denoted as F, to 1 or 100%. This assumption caters to the scenario where a drug doesn't achieve full systemic absorption, resulting in the patient...
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Mixtures of Gases: Dalton's Law of Partial Pressures and Mole Fractions03:03

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Unless individual gases chemically react with each other, the individual gases in a mixture of gases do not affect each other’s pressure. Each gas in a mixture exerts the same pressure that it would exert if it were present alone in the container. The pressure exerted by each individual gas in a mixture is called its partial pressure.
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Dalton's Law of Partial Pressure01:11

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The partial pressure of a gas is a measure of the thermodynamic activity of the gas's molecules. The pressure that a gas would create if it occupied the total volume available is called the gas's partial pressure. If two or more gases are mixed together in a container, the molecules move randomly and collide with each other, causing them to reach thermal equilibrium. When the gases have the same temperature, their molecules have the same average kinetic energy. Thus, each gas obeys the...
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Inverse z-Transform by Partial Fraction Expansion01:20

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The inverse z-transform is a crucial technique for converting a function from its z-domain representation back to the time domain. One effective method for finding the inverse z-transform is the Partial Fraction Method, which involves decomposing a function into simpler fractions with distinct coefficients. These fractions correspond to known z-transform pairs, facilitating the inverse transformation process.
To begin the process, the poles of the function are identified and the function is...
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5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
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The future of partial nephrectomy.

Theo Malthouse1, Veeru Kasivisvanathan2, Nicholas Raison3

  • 1Guy's and St Thomas' NHS Foundation Trust, Great Maze Pond, London SE1 9RT, United Kingdom.

International Journal of Surgery (London, England)
|March 16, 2016
PubMed
Summary
This summary is machine-generated.

Innovation in partial nephrectomy focuses on preserving kidney function by optimizing pre-operative estimated glomerular filtration rate (eGFR) and minimizing warm ischemia time. Urologists are exploring new technologies to improve surgical outcomes for small renal tumors.

Keywords:
FuturePartial nephrectomyRobotic partial nephrectomy

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Area of Science:

  • Urology and Surgical Innovation
  • Renal Surgery Advancements

Background:

  • Partial nephrectomy for small renal tumors evolved over a century to become standard practice.
  • Key areas for innovation include preserving renal parenchyma, optimizing pre-operative estimated glomerular filtration rate (eGFR), and reducing warm ischemia time.

Purpose of the Study:

  • To highlight current areas for innovation in partial nephrectomy.
  • To discuss the impact of technological advancements on surgical outcomes.

Main Methods:

  • Review of historical and current practices in partial nephrectomy.
  • Exploration of emerging technologies such as robotics, hypothermia, and advanced imaging.

Main Results:

  • Preserving renal parenchyma, optimizing eGFR, and reducing warm ischemia time are significant predictors of post-operative renal function.
  • New robotic technologies with features like haptic feedback and reduced costs are emerging.

Conclusions:

  • Continued innovation in surgical techniques and technology is crucial for improving post-operative renal function.
  • Urologists are actively embracing new tools and methods to enhance partial nephrectomy outcomes.