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Related Concept Videos

Biological Effects of Radiation02:59

Biological Effects of Radiation

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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
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Radiation: Applications01:17

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The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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Reducing Line Loss01:18

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In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
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Radiation Pressure: Problem Solving01:09

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The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
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Related Experiment Video

Updated: Feb 6, 2026

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
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Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound

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Optimizing imaging and reducing radiation exposure during complex aortic endovascular procedures.

Vincenzo Vento1,2, Raphael Soler1, Dominique Fabre1

  • 1Aortic Center, Department of Aortic and Vascular Surgery, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.

The Journal of Cardiovascular Surgery
|August 31, 2018
PubMed
Summary
This summary is machine-generated.

Advanced imaging and hybrid rooms enhance complex endovascular aortic repair. This review details radiological practices and tools, including fusion imaging and cone-beam CT, to improve safety and efficiency for vascular surgeons.

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Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Medical Imaging Technology

Background:

  • Endovascular techniques and custom endografts now enable treatment of complex aortic aneurysms previously requiring open repair.
  • Increased complexity of endovascular procedures leads to longer operation times and higher radiation exposure.
  • Managing radiation and contrast media risks is crucial, especially for frail patients with renal impairment.

Purpose of the Study:

  • To review fundamental radiological practices for complex endovascular aortic procedures.
  • To describe current and emerging imaging tools available to aortic surgeons.
  • To enhance safe and efficient delivery of endovascular aortic repair.

Main Methods:

  • Review of advancements in endovascular technologies and custom-made endografts.
  • Discussion of modern hybrid room imaging applications like fusion imaging and cone-beam computed tomography (CBCT).
  • Analysis of the impact of these technologies on radiation exposure and procedural efficiency.

Main Results:

  • Advanced imaging technologies are essential for complex endovascular aortic repair.
  • Hybrid rooms offer tools like fusion imaging and CBCT to potentially reduce radiation.
  • Mastering these advanced imaging tools is key to improving interventional skills and radiological practices.

Conclusions:

  • Optimizing radiological practices and utilizing advanced imaging tools are critical for safe and efficient complex endovascular aortic procedures.
  • The integration of new imaging technologies in hybrid rooms presents opportunities and challenges for vascular surgeons.
  • Future advancements in imaging technology will continue to shape the landscape of endovascular aortic repair.