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Related Concept Videos

Vaporization01:18

Vaporization

The physical form of a substance changes by changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. For vaporization to occur, kinetic energy must be greater than the intermolecular forces that keep molecules bonded. The amount of energy needed to vaporize a quantity of liquid at a given pressure and a constant temperature is called the heat of vaporization. When...
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors01:28

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors

Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...

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Related Experiment Video

Updated: Jul 18, 2026

Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser
07:17

Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser

Published on: May 9, 2018

Photoselective vaporization for benign prostatic hyperplasia.

J Murtagh, V Foerster

    Issues in Emerging Health Technologies
    |December 21, 2006
    PubMed
    Summary

    Photoselective vaporization of the prostate (PVP) offers rapid, bloodless treatment for benign prostatic hyperplasia (BPH). Further long-term studies and randomized controlled trials are needed to confirm its lasting effectiveness in BPH management.

    Area of Science:

    • Urology
    • Minimally Invasive Surgery

    Background:

    • Benign prostatic hyperplasia (BPH) is a common condition in aging men.
    • Photoselective vaporization of the prostate (PVP) is a surgical option for BPH.
    • PVP utilizes laser energy for rapid and bloodless prostatic tissue removal.

    Purpose of the Study:

    • To evaluate the efficacy and safety of PVP for BPH.
    • To assess the short-term outcomes of PVP.
    • To identify the need for further research on long-term PVP results.

    Main Methods:

    • Literature review of studies on PVP for BPH.
    • Analysis of short-term outcomes reported in existing studies.
    • Identification of gaps in current research, particularly regarding long-term data.

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    Enucleation of the Prostate for the Treatment of Benign Prostatic Hyperplasia Using a 980 nm Diode Laser
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    Enucleation of the Prostate for the Treatment of Benign Prostatic Hyperplasia Using a 980 nm Diode Laser

    Published on: May 5, 2020

    Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).
    06:04

    Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

    Published on: March 6, 2018

    Related Experiment Videos

    Last Updated: Jul 18, 2026

    Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser
    07:17

    Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser

    Published on: May 9, 2018

    Enucleation of the Prostate for the Treatment of Benign Prostatic Hyperplasia Using a 980 nm Diode Laser
    05:28

    Enucleation of the Prostate for the Treatment of Benign Prostatic Hyperplasia Using a 980 nm Diode Laser

    Published on: May 5, 2020

    Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).
    06:04

    Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

    Published on: March 6, 2018

    Main Results:

    • PVP is suggested to perform well in the short term for BPH treatment.
    • The procedure is characterized by rapid tissue vaporization and minimal bleeding.
    • Limited data exists on the long-term effectiveness and durability of PVP.

    Conclusions:

    • PVP shows promise as a short-term solution for BPH.
    • Randomized controlled trials (RCTs) are essential for robust evaluation.
    • Long-term follow-up studies are required to establish PVP's definitive role in BPH management.