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| Setons | |
|---|---|
| Name | Setons |
| Caption | Historic illustration of a seton procedure |
| Type | Surgical/ritual implement |
| Invented | Antiquity |
| Inventor | Unknown |
| Used for | Chronic fistula management, ritual flagellation, medicinal drainage |
Setons are threads, strips, or cords passed through tissue to create a controlled tract for drainage, counter-irritation, or separation. Historically used in both clinical contexts and religious or cultural practices, setons have appeared in medical literature, surgical manuals, and devotional rites across regions including Ancient Rome, Byzantine Empire, Islamic Golden Age, Renaissance, and modern United Kingdom and United States. Their applications intersect with the work of practitioners associated with institutions such as Guy's Hospital, Charité – Universitätsmedizin Berlin, and military surgery in conflicts like the Napoleonic Wars and the American Civil War.
Setons trace to antiquity, mentioned in texts attributed to Hippocrates, described in treatises of Galen, and appearing in surgical chapters of medieval authors like Albucasis and Constantine the African. In the early modern period, surgeons in Paris and London—including those linked to Royal College of Surgeons of England—debated their role versus emerging abscess drainage techniques. Use continued through the 18th and 19th centuries, including reports from field hospitals during the Crimean War and the Franco-Prussian War, where surgeons from St. Thomas' Hospital and Pitié-Salpêtrière Hospital documented outcomes. By the 20th century, with advances at institutions such as Mayo Clinic and Johns Hopkins Hospital, indications narrowed as antibiotics and minimally invasive procedures developed.
Setons have been fashioned from a variety of materials reflecting technological and cultural availability. Traditional materials included silk, linen, horsehair, and hemp—used in workshops associated with guilds in Florence and textile centers in Flanders. Modern surgical setons employ synthetic materials such as silicone, nylon, polypropylene, and braided polyester developed by manufacturers collaborating with research centers like Massachusetts General Hospital. Variants include cutting setons, draining setons, and elastic or loose setons; cutting setons were discussed in surgical monographs from Edinburgh and applied in case series at St Bartholomew's Hospital, while draining setons are emphasized in protocols from colorectal services at Mayo Clinic and Cleveland Clinic.
Clinically, setons are principally used in management of chronic fistulae, particularly anal and perianal fistulas treated in colorectal units at Mount Sinai Hospital and university centers such as University College Hospital, London. Indications historically extended to chronic abscesses and persistent sinus tracts encountered by surgeons in campaigns like the Second Boer War. In contemporary practice, guidelines from specialty groups—papers authored by consultants affiliated with American Society of Colon and Rectal Surgeons and European counterparts—describe setons as part of sphincter-preserving strategies alongside procedures like fistulotomy and advancement flaps developed at Cleveland Clinic and Mayo Clinic.
Procedure descriptions appear in surgical texts from Guy's Hospital to manuals at Royal College of Surgeons of England. The seton is passed through the fistula tract, often with a probe taught in surgical rotations at Harvard Medical School and University of Oxford Medical School, and secured externally. Cutting setons apply gradual tension to transect tissue over days to weeks—a technique refined in accounts from 19th-century surgeons at St Thomas' Hospital and reevaluated in randomized studies from centers like Leiden University Medical Center. Loose or draining setons are left without tension to permit drainage, commonly combined with imaging modalities such as endoanal ultrasound and magnetic resonance imaging protocols developed at University College Hospital and Charité – Universitätsmedizin Berlin.
Complications historically documented in reports from military surgeons in World War I and clinical series from Johns Hopkins Hospital include infection, pain, scarring, incontinence when sphincter muscle is compromised, and recurrence of fistulae. Management strategies derive from interdisciplinary teams at tertiary centers—urologists, colorectal surgeons, and infectious disease specialists at Mayo Clinic and University of California, San Francisco—and include antibiotic therapy influenced by guidelines from Centers for Disease Control and Prevention, pain control protocols, and revision procedures such as seton replacement, fistula plugs introduced from research at Karolinska Institutet, or definitive reconstructive repairs described in literature from University of Toronto.
Beyond medicine, seton-like practices feature in devotional and punitive contexts. Medieval penitential practices recorded in chronicles from Canterbury Cathedral and Santiago de Compostela describe cords and flagellation instruments; in some Islamic mystical traditions associated with scholars from Cairo and Samarkand ritual self-mortification involved controlled use of cords. Reports from anthropologists studying communities in South Asia and Sub-Saharan Africa document analogous implements within rites of passage and disciplinary customs. Legal and social responses to such practices intersected with debates in parliaments such as the British Parliament and courts including the Supreme Court of the United States when medical and ethical standards were contested.
Notable case series include 19th-century compilations published by surgeons at St Bartholomew's Hospital and later prospective cohorts from Mayo Clinic and Cleveland Clinic. Randomized trials comparing seton techniques with fibrin glue, fistula plugs, and advancement flaps have been reported from centers like Leiden University Medical Center, Karolinska Institutet, and University College Hospital. Meta-analyses authored by research groups at Imperial College London and Johns Hopkins Hospital synthesize outcomes on healing rates and continence. Case reports of complex fistula management feature teams from Mount Sinai Hospital and multicenter registries coordinated by societies such as American Society of Colon and Rectal Surgeons.
Category:Surgical instruments