Human skin microcirculation after brachial plexus block evaluated by wavelet transform of the laser doppler flowmetry signal

The skin microcirculation may be evaluated noninvasively by laser Doppler flowmetry and iontophoresis with acetylcholine and sodium nitroprusside. Wavelet transform of the perfusion signal shows periodic oscillations of five characteristic frequencies in the interval 0.0095-1.6 Hz. The aim of the cu...

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Veröffentlicht in:	Anesthesiology (Philadelphia) 2006-09, Vol.105 (3), p.478-484
Hauptverfasser:	LANDSVERK, Svein A, KVANDAL, Per, KJELSTRUP, Trygve, BENKO, Uros, BERNJAK, Alan, STEFANOVSKA, Aneta, KVERNMO, Hebe, KIRKEBOEN, Knut A
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetylcholine - pharmacology Adult Anesthesia Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Biological and medical sciences Brachial Plexus Epinephrine - pharmacology Female Humans Iontophoresis Laser-Doppler Flowmetry Male Medical sciences Microcirculation Middle Aged Nerve Block Nitroprusside - pharmacology Respiration Skin - blood supply Skin Temperature
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