Diseases of the colon and rectum
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Randomized Controlled Trial
Percutaneous Posterior Tibial Nerve Stimulation vs Perianal Application of Glyceryl Trinitrate Ointment in the Treatment of Chronic Anal Fissure: A Randomized Clinical Trial.
Current therapeutic guidelines for the treatment of chronic anal fissure establish a medical approach as the first step. Glyceryl trinitrate ointment is the most popular of the available topical treatments in Spain but it is associated with the appearance of headache. ⋯ Percutaneous posterior tibial nerve stimulation is a safe and effective alternative that is in some ways superior to glyceryl trinitrate ointment for the treatment of chronic anal fissure.