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Related Concept Videos

Common Ion Effect03:24

Common Ion Effect

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Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Châtelier’s principle. Consider the dissolution of silver iodide:
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Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
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Expressing Solution Concentration02:48

Expressing Solution Concentration

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A solute is a component of a solution that is typically present at a much lower concentration than the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
Concentrations may be quantitatively assessed using a wide variety of measurement units, each convenient for particular applications. Molarity (M) is a useful concentration unit for many applications in chemistry.
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Ideal Solutions02:24

Ideal Solutions

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According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the...
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General Properties of Solutions02:12

General Properties of Solutions

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Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed of varying amounts of two or more types of atoms or molecules. A mixture with a non-uniform composition is a heterogeneous mixture, whereas a mixture with a uniform composition is a homogeneous mixture. The components that make the homogeneous mixture are evenly spread out and thoroughly mixed. 
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Solution Formation02:16

Solution Formation

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There is no one solvent that can dissolve every type of solute. Some substances that readily dissolve in a certain solvent might be insoluble in a different solvent. A simple way to predict which substances dissolve in which solvent is the phrase "like dissolves like". This means that polar substances, such as salt and sugar, dissolve in a polar substance like water. In contrast, non-polar substances are more soluble in non-polar solvents such as carbon tetrachloride.
This selective...
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Destabilization of the Medial Meniscus and Cartilage Scratch Murine Model of Accelerated Osteoarthritis
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Knee Meniscus Injuries: Common Problems and Solutions.

Matthew H Blake1, Darren L Johnson2

  • 1Department of Orthopaedic Surgery and Sports Medicine, Avera McKennan Hospital and University Health Center, 911 East 20th Street, Suite 300, Sioux Falls, SD 57105, USA.

Clinics in Sports Medicine
|March 12, 2018
PubMed
Summary
This summary is machine-generated.

Arthroscopic meniscus repair is increasingly common with good results. This review details common pitfalls in diagnosis, technique, and postoperative care to reduce complications and improve patient outcomes.

Keywords:
ChondrolysisComplicationImplantInfectionMeniscusNerve injuryRepairTear

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Area of Science:

  • Orthopedic surgery
  • Sports medicine
  • Knee joint biomechanics

Background:

  • Arthroscopic meniscus repair rates are rising, with generally excellent outcomes reported.
  • However, serious complications can arise following meniscus repair procedures.
  • Minimizing these risks involves careful diagnosis, patient selection, surgical technique, and postoperative management.

Purpose of the Study:

  • To identify and describe common diagnostic, technical, and postoperative pitfalls associated with arthroscopic meniscus repair.
  • To provide insights into preventing and managing complications that lead to poor patient outcomes.

Main Methods:

  • Review of literature on arthroscopic meniscus repair complications.
  • Analysis of diagnostic, technical, and postoperative factors influencing outcomes.
  • Clinical case examples illustrating common pitfalls.

Main Results:

  • Common diagnostic errors include missed or incorrect tear classification.
  • Technical pitfalls involve inadequate fixation, malalignment, and graft issues.
  • Postoperative complications stem from infection, stiffness, and inadequate rehabilitation.

Conclusions:

  • Adherence to best practices in diagnosis, surgical technique, and postoperative care is crucial for successful arthroscopic meniscus repair.
  • Early identification and management of complications can significantly improve patient outcomes.
  • Understanding and avoiding common pitfalls can enhance the safety and efficacy of meniscus repair surgery.