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Hintergrund und Ziel: Das Elektromyogramm des M. sphincter ani externus wird in der Proktologie meist mit Oberflächenelektroden abgeleitet. Die Ableitung mittels konzentrischer Nadelelektrode ist nur wenig verbreitet, obwohl nur sie eine quantifizierende Beurteilung der Schädigung des äußeren Analsphinkters zulässt. Hierfür muss man Einzelpotenziale ableiten und auswerten. Patienten und Methodik:...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.