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Related Concept Videos

Shock Waves01:16

Shock Waves

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While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
When the source's speed approaches the speed of sound, constructive interference between successive wavefronts emitted by the source occurs immediately behind it. Initially, scientists believed that this constructive interference would result in such high...
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Intensity Of Electromagnetic Waves01:22

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The energy transport per unit area per unit time, or the Poynting vector, gives the energy flux of an electromagnetic wave at any specific time. For a plane electromagnetic wave with E0 and B0 as the peak electric and magnetic fields and traveling along the x-axis, the time-varying energy flux can be given by the following equation:
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Intensity and Pressure of Sound Waves01:05

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The intensity of sound waves can be related to displacement and pressure amplitudes by using their wave expressions and the definition of intensity. The critical step to achieve this is to write the power delivered by the particles on the wave as the product of force and velocity and simplify the force per unit area as the pressure. The velocity of the medium's particles can be derived from the displacement.
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The Wave Nature of Light02:12

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The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
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Sound Intensity00:58

Sound Intensity

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The loudness of a sound source is related to how energetically the source is vibrating, consequently making the molecules of the propagation medium vibrate. To measure the loudness of a source, the physical quantity of interest is the intensity. This is defined as the energy emitted per unit of time per unit of area perpendicular to the sound wave's propagation direction. Since the total energy is greater if the source vibrates for a longer duration and over a larger area, dividing the...
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Tumor Progression02:07

Tumor Progression

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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
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[Low-intensity shock wave therapy for erectile dysfunction: Progression in application].

Cheng Cheng1, Zhi-Long Dong1, Zhi-Ping Wang1

  • 1Research Institute of Urology / Key Laboratory of Gansu Province for Urological Diseases / Clinical Center of Gansu Province for Urological Diseases, Lanzhou University Second Hospital, Lanzhou, Gansu 730030, China.

Zhonghua Nan Ke Xue = National Journal of Andrology
|August 30, 2018
PubMed
Summary
This summary is machine-generated.

Erectile dysfunction (ED) affects millions globally, with limited treatment options. Low-intensity shock wave therapy (LiSWT) shows promise for repairing penile tissue and managing ED, offering a new therapeutic approach.

Keywords:
low-intensity shock wave therapytreatmenterectile dysfunction

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Area of Science:

  • Urology
  • Regenerative Medicine
  • Medical Technology

Background:

  • Erectile dysfunction (ED) prevalence is rising, particularly in men over 40, with an estimated 300 million cases worldwide by 2025.
  • Current understanding of ED's molecular pathology and rehabilitation strategies remains limited.
  • A significant number of patients do not respond to conventional 5-phosphodiesterase inhibitor treatments.

Purpose of the Study:

  • To review the current diagnostic and treatment landscape for erectile dysfunction.
  • To explore the mechanisms of low-intensity shock wave therapy (LiSWT) in managing ED.
  • To present LiSWT as a novel therapeutic option for ED.

Main Methods:

  • Review of existing literature on ED diagnosis and treatment.
  • Analysis of studies investigating LiSWT mechanisms in animal models of ED.
  • Examination of clinical trial data on LiSWT efficacy for ED patients.

Main Results:

  • LiSWT is a non-invasive therapeutic option utilizing micro-energy to potentially repair injured penile tissue.
  • Evidence from animal experiments and clinical studies suggests LiSWT's effectiveness in ED management.
  • LiSWT offers a new paradigm for ED treatment, particularly for non-responders to other therapies.

Conclusions:

  • Low-intensity shock wave therapy presents a promising, non-invasive approach for erectile dysfunction.
  • Further research into LiSWT's molecular mechanisms and long-term outcomes is warranted.
  • LiSWT may offer a viable alternative for ED patients unresponsive to current treatments.