Sensory Reinnervation of Myocutaneous Flaps Revealed by Infrared Laser Evoked Sensations and Brain Potentials
Identifieur interne : 001C20 ( Main/Exploration ); précédent : 001C19; suivant : 001C21Sensory Reinnervation of Myocutaneous Flaps Revealed by Infrared Laser Evoked Sensations and Brain Potentials
Auteurs : Markus Quante ; Jürgen Lorenz ; Meikel Vesper ; Boris Bretschneider ; Rainer Schmelzle ; Burkhart BrommSource :
- Neurorehabilitation and neural repair [ 1545-9683 ] ; 2003-03.
English descriptors
- KwdEn :
- Best recovery, Brain potentials, Bromm, Clinical score, Complete inability, Control area, Control areas, Control transp, Cotton swabs, Cotton wool swaps, Different degrees, Early stages, Filament, Flap, Flap site, Flap sites, Flap skin, Flaps, Flaps table, Future studies, Graft, Hand surg, High intensities, High laser intensities, Histochemical study, Human test subjects, Infrared laser, Infrared laser stimuli, Intensity ratings, Laser, Laser intensities, Laser intensity, Laser intensity rating, Laser method, Laser stimulation, Laser stimuli, Laser stimulus, Late leps, Latissimus dorsi muscle, Leps, Monkey skin, Myocutaneous, Myocutaneous flap, Myocutaneous flaps, Neural repair, Nociceptive pathways, Numbers mark, Numerical rank scale, Nylon filaments, Oral maxillofac surg, Pain ratings, Pain sensation, Pain threshold, Painful sensation, Pectoralis muscle, Pectoralis region, Penetration depth, Plast reconstr surg, Plast surg, Pressure sensation, Pressure thresholds, Reconstructive surgery, Reinnervation, Sensation threshold, Sensory function, Sensory recovery, Sensory reinnervation, Skin site, Stimulus intensities, Stimulus onset, Superficial touch, Surg, Test area, Test procedures, Tongue carcinoma, Transp, Transplant, Ultralate, University hospital eppendorf, Warm stimuli.
- Teeft :
- Best recovery, Brain potentials, Bromm, Clinical score, Complete inability, Control area, Control areas, Control transp, Cotton swabs, Cotton wool swaps, Different degrees, Early stages, Filament, Flap, Flap site, Flap sites, Flap skin, Flaps, Flaps table, Future studies, Graft, Hand surg, High intensities, High laser intensities, Histochemical study, Human test subjects, Infrared laser, Infrared laser stimuli, Intensity ratings, Laser, Laser intensities, Laser intensity, Laser intensity rating, Laser method, Laser stimulation, Laser stimuli, Laser stimulus, Late leps, Latissimus dorsi muscle, Leps, Monkey skin, Myocutaneous, Myocutaneous flap, Myocutaneous flaps, Neural repair, Nociceptive pathways, Numbers mark, Numerical rank scale, Nylon filaments, Oral maxillofac surg, Pain ratings, Pain sensation, Pain threshold, Painful sensation, Pectoralis muscle, Pectoralis region, Penetration depth, Plast reconstr surg, Plast surg, Pressure sensation, Pressure thresholds, Reconstructive surgery, Reinnervation, Sensation threshold, Sensory function, Sensory recovery, Sensory reinnervation, Skin site, Stimulus intensities, Stimulus onset, Superficial touch, Surg, Test area, Test procedures, Tongue carcinoma, Transp, Transplant, Ultralate, University hospital eppendorf, Warm stimuli.
Abstract
The aim of this study was to examine the recovery of sensory function in myocutaneous flaps comparing 2 test methods. Eight flaps in 7 patients were examined by using clinical neurological test procedures (CNT) in comparison with psychophysics and evoked brain potentials (LEP) following infrared laser stimuli. The authors found that only 3 out of 8 flaps in 7 patients exhibited signs of reinnervation when tested with CNT. Three grades of reinnervation appeared in 7 flaps when tested with the laser. Grade 1 indicated the recovery of unmyelinated C-fiber function in 7 flaps accounting for the ability to discriminate laser intensities by different degrees of warmth. Grade 2 appeared in 3 of these flaps and was characterized by the additional ability to sense pinprick pain and the elicitation of late components of LEP mediated by thinly myelinated Aγ-nociceptors. Grade 3 involved the additional sensibility for superficial touch indicating the recovery of thickly myelinated Aβ-fibers noted in 2 of these flaps. The authors conclude that the LEP method is more sensitive than standard neurological test procedures to objectively document early signs of reinnervation after reconstructive flap surgery. This result is promising to investigate greater patient populations comparing different surgical techniques in future studies.
Url:
DOI: 10.1177/0095399702250446
Affiliations:
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Bretschneider</name></author><author wicri:is="90%"><name sortKey="Schmelzle, Rainer" sort="Schmelzle, Rainer" uniqKey="Schmelzle R" first="Rainer" last="Schmelzle">Rainer Schmelzle</name></author><author wicri:is="90%"><name sortKey="Bromm, Burkhart" sort="Bromm, Burkhart" uniqKey="Bromm B" first="Burkhart" last="Bromm">Burkhart Bromm</name></author></analytic><monogr></monogr><series><title level="j">Neurorehabilitation and neural repair</title><idno type="ISSN">1545-9683</idno><idno type="eISSN">1552-6844</idno><imprint><publisher>Sage Publications</publisher><pubPlace>Thousand Oaks, CA</pubPlace><date type="published" when="2003-03">2003-03</date><biblScope unit="volume">17</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="58">58</biblScope><biblScope unit="page" to="65">65</biblScope></imprint><idno type="ISSN">1545-9683</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1545-9683</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Best recovery</term><term>Brain potentials</term><term>Bromm</term><term>Clinical score</term><term>Complete inability</term><term>Control area</term><term>Control areas</term><term>Control transp</term><term>Cotton swabs</term><term>Cotton wool swaps</term><term>Different degrees</term><term>Early stages</term><term>Filament</term><term>Flap</term><term>Flap site</term><term>Flap sites</term><term>Flap skin</term><term>Flaps</term><term>Flaps table</term><term>Future studies</term><term>Graft</term><term>Hand surg</term><term>High intensities</term><term>High laser intensities</term><term>Histochemical study</term><term>Human test subjects</term><term>Infrared laser</term><term>Infrared laser stimuli</term><term>Intensity ratings</term><term>Laser</term><term>Laser intensities</term><term>Laser intensity</term><term>Laser intensity rating</term><term>Laser method</term><term>Laser stimulation</term><term>Laser stimuli</term><term>Laser stimulus</term><term>Late leps</term><term>Latissimus dorsi muscle</term><term>Leps</term><term>Monkey skin</term><term>Myocutaneous</term><term>Myocutaneous flap</term><term>Myocutaneous flaps</term><term>Neural repair</term><term>Nociceptive pathways</term><term>Numbers mark</term><term>Numerical rank scale</term><term>Nylon filaments</term><term>Oral maxillofac surg</term><term>Pain ratings</term><term>Pain sensation</term><term>Pain threshold</term><term>Painful sensation</term><term>Pectoralis muscle</term><term>Pectoralis region</term><term>Penetration depth</term><term>Plast reconstr surg</term><term>Plast surg</term><term>Pressure sensation</term><term>Pressure thresholds</term><term>Reconstructive surgery</term><term>Reinnervation</term><term>Sensation threshold</term><term>Sensory function</term><term>Sensory recovery</term><term>Sensory reinnervation</term><term>Skin site</term><term>Stimulus intensities</term><term>Stimulus onset</term><term>Superficial touch</term><term>Surg</term><term>Test area</term><term>Test procedures</term><term>Tongue carcinoma</term><term>Transp</term><term>Transplant</term><term>Ultralate</term><term>University hospital eppendorf</term><term>Warm stimuli</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Best recovery</term><term>Brain potentials</term><term>Bromm</term><term>Clinical score</term><term>Complete inability</term><term>Control area</term><term>Control areas</term><term>Control transp</term><term>Cotton swabs</term><term>Cotton wool swaps</term><term>Different degrees</term><term>Early stages</term><term>Filament</term><term>Flap</term><term>Flap site</term><term>Flap sites</term><term>Flap skin</term><term>Flaps</term><term>Flaps table</term><term>Future studies</term><term>Graft</term><term>Hand surg</term><term>High intensities</term><term>High laser intensities</term><term>Histochemical study</term><term>Human test subjects</term><term>Infrared laser</term><term>Infrared laser stimuli</term><term>Intensity ratings</term><term>Laser</term><term>Laser intensities</term><term>Laser intensity</term><term>Laser intensity rating</term><term>Laser method</term><term>Laser stimulation</term><term>Laser stimuli</term><term>Laser stimulus</term><term>Late leps</term><term>Latissimus dorsi muscle</term><term>Leps</term><term>Monkey skin</term><term>Myocutaneous</term><term>Myocutaneous flap</term><term>Myocutaneous flaps</term><term>Neural repair</term><term>Nociceptive pathways</term><term>Numbers mark</term><term>Numerical rank scale</term><term>Nylon filaments</term><term>Oral maxillofac surg</term><term>Pain ratings</term><term>Pain sensation</term><term>Pain threshold</term><term>Painful sensation</term><term>Pectoralis muscle</term><term>Pectoralis region</term><term>Penetration depth</term><term>Plast reconstr surg</term><term>Plast surg</term><term>Pressure sensation</term><term>Pressure thresholds</term><term>Reconstructive surgery</term><term>Reinnervation</term><term>Sensation threshold</term><term>Sensory function</term><term>Sensory recovery</term><term>Sensory reinnervation</term><term>Skin site</term><term>Stimulus intensities</term><term>Stimulus onset</term><term>Superficial touch</term><term>Surg</term><term>Test area</term><term>Test procedures</term><term>Tongue carcinoma</term><term>Transp</term><term>Transplant</term><term>Ultralate</term><term>University hospital eppendorf</term><term>Warm stimuli</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this study was to examine the recovery of sensory function in myocutaneous flaps comparing 2 test methods. Eight flaps in 7 patients were examined by using clinical neurological test procedures (CNT) in comparison with psychophysics and evoked brain potentials (LEP) following infrared laser stimuli. The authors found that only 3 out of 8 flaps in 7 patients exhibited signs of reinnervation when tested with CNT. Three grades of reinnervation appeared in 7 flaps when tested with the laser. Grade 1 indicated the recovery of unmyelinated C-fiber function in 7 flaps accounting for the ability to discriminate laser intensities by different degrees of warmth. Grade 2 appeared in 3 of these flaps and was characterized by the additional ability to sense pinprick pain and the elicitation of late components of LEP mediated by thinly myelinated Aγ-nociceptors. Grade 3 involved the additional sensibility for superficial touch indicating the recovery of thickly myelinated Aβ-fibers noted in 2 of these flaps. The authors conclude that the LEP method is more sensitive than standard neurological test procedures to objectively document early signs of reinnervation after reconstructive flap surgery. This result is promising to investigate greater patient populations comparing different surgical techniques in future studies.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Bretschneider, Boris" sort="Bretschneider, Boris" uniqKey="Bretschneider B" first="Boris" last="Bretschneider">Boris Bretschneider</name><name sortKey="Bromm, Burkhart" sort="Bromm, Burkhart" uniqKey="Bromm B" first="Burkhart" last="Bromm">Burkhart Bromm</name><name sortKey="Lorenz, Jurgen" sort="Lorenz, Jurgen" uniqKey="Lorenz J" first="Jürgen" last="Lorenz">Jürgen Lorenz</name><name sortKey="Quante, Markus" sort="Quante, Markus" uniqKey="Quante M" first="Markus" last="Quante">Markus Quante</name><name sortKey="Schmelzle, Rainer" sort="Schmelzle, Rainer" uniqKey="Schmelzle R" first="Rainer" last="Schmelzle">Rainer Schmelzle</name><name sortKey="Vesper, Meikel" sort="Vesper, Meikel" uniqKey="Vesper M" first="Meikel" last="Vesper">Meikel Vesper</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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