ThuliumV1, Main, Exploration, bibRecord, 000798

Subsurface near‐infrared laser stimulation of the periprostatic cavernous nerves

Identifieur interne : 000798 ( Main/Exploration ); précédent : 000797; suivant : 000799

Subsurface near‐infrared laser stimulation of the periprostatic cavernous nerves

Auteurs : Serhat Tozburun [États-Unis] ; Gwen A. Lagoda [États-Unis] ; Arthur L. Burnett [États-Unis] ; Nathaniel M. Fried [États-Unis]

Source :

Journal of Biophotonics [ 1864-063X ] ; 2012-10.

RBID : ISTEX:0778694C3AAA3E183BE97351A0F6EAFCC1E5246D

English descriptors

Abstract

Successful identification and preservation of the cavernous nerves (CN), which are responsible for sexual function and vulnerable to damage during prostate cancer surgery, will require subsurface detection of the CN's beneath a thin fascia layer. This study explores the feasibility of optical nerve stimulation (ONS) in the rat with a fascia layer placed over the CN. Two near‐infrared diode lasers with wavelengths of 1455 and 1550 nm were operated in continuous‐wave mode for stimulation of the CN in 8 rats, in vivo. Successful ONS was confirmed by an intracavernous pressure (ICP) response in the rat penis at 1455 nm through fascia with a thickness up to 110 μm and at 1550 nm through fascia with a thickness up to 450 μm. Higher incident laser power was required to produce an ICP response as fascia thickness was increased. Also, weaker and slower ICP responses were observed as fascia thickness was increased. Subsurface ONS of the rat CN at a depth of 450 μm using a 1550 nm laser is feasible as an intermediate step towards developing ONS as an intra‐operative diagnostic tool for identification and preservation of the cavernous nerves during prostate cancer surgery. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Url:

https://api.istex.fr/document/0778694C3AAA3E183BE97351A0F6EAFCC1E5246D/fulltext/pdf

DOI: 10.1002/jbio.201100134

Affiliations:

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Le document en format XML

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<term>Cavernous nerve</term>
<term>Cavernous nerves</term>
<term>Diode</term>
<term>Diode laser</term>
<term>Exact location</term>
<term>Fascia</term>
<term>Fascia layer</term>
<term>Fascia layer thickness</term>
<term>Fascia layers</term>
<term>Fascia surface</term>
<term>Fascia thickness</term>
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<term>Future studies</term>
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<term>Human anatomy</term>
<term>Intracavernous pressure</term>
<term>Johns hopkins</term>
<term>Johns hopkins hospital</term>
<term>Kgaa</term>
<term>Lagoda</term>
<term>Laser</term>
<term>Laser power</term>
<term>Laser wavelength</term>
<term>Nerve stimulation</term>
<term>Online color</term>
<term>Optical nerve stimulation</term>
<term>Optical penetration depth</term>
<term>Optical science</term>
<term>Optical stimulation</term>
<term>Preliminary study</term>
<term>Previous studies</term>
<term>Prostate</term>
<term>Prostate cancer surgery</term>
<term>Prostate surface</term>
<term>Sexual function</term>
<term>Subsurface</term>
<term>Subsurface stimulation</term>
<term>Thermal damage</term>
<term>Thin fascia layer</term>
<term>Thin layer</term>
<term>Threshold laser power</term>
<term>Tozburun</term>
<term>Urology</term>
<term>Verlag</term>
<term>Verlag gmbh</term>
<term>Weinheim</term>
<term>Weinheim journal</term>
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<term>Diode laser</term>
<term>Exact location</term>
<term>Fascia</term>
<term>Fascia layer</term>
<term>Fascia layer thickness</term>
<term>Fascia layers</term>
<term>Fascia surface</term>
<term>Fascia thickness</term>
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<term>Optical nerve stimulation</term>
<term>Optical penetration depth</term>
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<front><div type="abstract" xml:lang="en">Successful identification and preservation of the cavernous nerves (CN), which are responsible for sexual function and vulnerable to damage during prostate cancer surgery, will require subsurface detection of the CN's beneath a thin fascia layer. This study explores the feasibility of optical nerve stimulation (ONS) in the rat with a fascia layer placed over the CN. Two near‐infrared diode lasers with wavelengths of 1455 and 1550 nm were operated in continuous‐wave mode for stimulation of the CN in 8 rats, in vivo. Successful ONS was confirmed by an intracavernous pressure (ICP) response in the rat penis at 1455 nm through fascia with a thickness up to 110 μm and at 1550 nm through fascia with a thickness up to 450 μm. Higher incident laser power was required to produce an ICP response as fascia thickness was increased. Also, weaker and slower ICP responses were observed as fascia thickness was increased. Subsurface ONS of the rat CN at a depth of 450 μm using a 1550 nm laser is feasible as an intermediate step towards developing ONS as an intra‐operative diagnostic tool for identification and preservation of the cavernous nerves during prostate cancer surgery. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</div>
</front>
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<name sortKey="Burnett, Arthur L" sort="Burnett, Arthur L" uniqKey="Burnett A" first="Arthur L." last="Burnett">Arthur L. Burnett</name>
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Subsurface near‐infrared laser stimulation of the periprostatic cavernous nerves

Subsurface near‐infrared laser stimulation of the periprostatic cavernous nerves

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri