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How long did the erection or erections last? To determine what type of priapism you have, your doctor will ask questions and examine your genitals, abdomen, groin and perineum. Ferri FF. It is used by Recording filters to identify new user sessions. This cookie is installed by Google Analytics. and transmitted securely. Priapism is a medical emergency, and if not treated within 24 hours, leads to irreversible ischemia and tissue necrosis. We do not endorse non-Cleveland Clinic products or services. This cookie is set by GDPR Cookie Consent plugin. Priapism is a persistent, usually painful, erection that lasts for more than four hours and occurs without sexual stimulation. The incidence in the general population is low, between 0.5 and 2.9 per 100,000 person-years, and is higher in patients with sickle cell anemia and in men using intracorporal injections.1,2 Emergency Medicine Clinics of North America. Journal of Postgraduate Medicine. The management is slightly different but follows the same principles for the sickle cell anemia variant of veno-occlusive priapism.3,4, Less common than the low-flow type; in adults, 80% to 90% have a single fistula causing the priapism, but in children, 50% have multiple fistulas.3-5, Typically a straddle injury to the perineum, Sometimes results from complications of low-flow priapism, Can be idiopathic without a recognizable event, There is unregulated blood flow in an arteriolacunar (not arteriovenous) fistula between one of the terminal branches of the internal pudendal artery (most commonly the cavernosal artery) and lacunar spaces of the corpora cavernosa. Priapism is divided into two variants, ischemic priapism (IP, formerly known as low-flow or veno-occlusive priapism) and non-ischemic (NIP, formerly known as high-flow or arterial priapism). The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Priapism - StatPearls - NCBI Bookshelf - National Center for Urethral (spongiosal) artery supplying the corpora spongiosa and providing anastomoses with the dorsal artery of the penis at the glans penis