By Eli D., M.D. Ehrenpreis
Even though rectal and perianal court cases are one of the most typical obvious via basic care physicians, surgeons, and gastroenterologists, the big variety of issues linked to those lawsuits are, quite often, poorly understood. also, a number of more recent diagnostic resonance imaging, at the moment are being hired for the review of those problems. ultimately, new pharmacotherapies, together with immunosuppressants and topical remedies in addition to new surgical remedies, have emerged. those are defined in a transparent, common demeanour.
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Additional resources for Anal and Rectal Diseases Explained
Recently, several cases of severe hyponatremia have been described after polyethylene glycol preparation. Respiratory depression, hypotension, and bradycardia associated with excessive sedation are infrequent. Patients generally experience some discomfort during the procedure. Additional comments New techniques for colon cancer screening, including CT of the colon (virtual colonoscopy) and molecular biology based stool testing, are under investigation. 6 Dynamic proctography Description of procedure A small quantity (about 250 mL) of high viscosity barium is placed in the rectum.
Complementary procedures Anorectal manometry, anorectal electromyography, defecography, flexible sigmoidoscopy, colonoscopy, and barium enema. Contraindications Imperforate anus. Relative contraindications Patient inability to cooperate with the procedure or severe anal stricture. Preparation of patient The patient should receive two Fleet’s enemas 1–3 hours before the procedure. How the procedure is performed The patient is placed in a left lateral position. The ultrasonographic device is placed inside a hard plastic cover for evaluation of the anal canal, or inside a water-filled balloon for visualization of the rectum, and these are introduced into the anus.
Recent studies have failed to demonstrate a relationship between descent of the perineum (a potential cause of obstructive constipation) and prolongation of PNTML. Complications None. Additional comments This procedure is not recommended as a routine test in patients with chronic constipation or fecal incontinence due to a high rate of false positive results in these patients. 10 Quantitative stool collection Description of procedure In some patients with unexplained diarrhea, quantitative measurement of fecal volume, electrolytes, pH, and fat content over 24–72 hours will assist in determining the cause of diarrhea.
Anal and Rectal Diseases Explained by Eli D., M.D. Ehrenpreis