Titlebook: Colo-rectal Surgery; Georg Heberer (Direktor der Chirurgischen Universi Conference proceedings 1982 Springer-Verlag, Berlin Heidelberg 198

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Sphincteroplasty Using Autologous Smooth Muscle,colostomy. In contrast to highly differentiated skeletal muscle, smooth muscle has great energy economy and is able to maintain a continuous state of contraction for long periods of time. Smooth muscle is trophically undifferentiated and does not atrophy after denervation. Anatomically, the internal

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Experience of a New Hydraulic Sphincter Prosthesis,evice consists of two parts (Fig. 1): the reservoir, which is the driving and control system, and the sleeve, both connected to a tube and filled with water. The sleeve is implanted subfascially around the gut and the reservoir is positioned over the costal arch, or better over the lower sternum (Fi

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eustachian-tube

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,Pathology of Hirschsprung’s Disease and Ischaemic Colitis,d therefore results in aganglionosis and absence of the intramural and submucous plexus of different extent according to the onset of the impairment, the supra-anal rectum nearly always being involved.

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Internal Sphincter Dysfunction: A Cause of Idiopathic Megacolon,rschsprung’s disease. If ganglia are present the dilated bowel may be secondary to some predisposing factor (Todd 1961), or there may be no apparent organic reason as to why the bowel should be so dilated. This latter condition is termed idiopathic megacolon (Lane and Todd 1977).

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Sidgwick and Contemporary Utilitarianismmore exact diagnosis must be made. Resections of colon (not the area of aganglionosis) for Hirschsprung’s disease and sigmoid resections for possible but unproven volvulus are all too frequently carried out with no benefit to the patient because no attempt has been made to achieve an accurate diagnosis.