Anal plug

An anal plug (anal tampon or anal insert) is a medical device that is often used to treat fecal incontinence, the accidental passing of bowel moments, by physically blocking involuntary loss of fecal material.[1] Fecal material such as feces are solid remains of food that does not get digested in the small intestines; rather, it is broken down by bacteria in the large intestine. Anal plugs vary in design and composition, but they are typically single-use, intra-anal, disposable devices made out of soft materials to contain fecal material and prevent it from leaking out of the rectum. The idea of an anal insert for fecal incontinence was first evaluated in a study of 10 participants with three different designs of anal inserts.[1]

Anal plug.

Use

Populations

Anal plugs may be beneficial to certain risk groups including, but not limited to, frail older people, women following childbirth, people with some neurological or spinal diseases, severe cognitive impairment, urinary incontinence, pelvic organ prolapse, and so on. Typically, anal plugs are used in people whose symptoms do not improve with to typical treatments: this may include changes in diet, physical therapy, nerve stimulation targeting the sacral and tibial nerves, surgical repair of the anus, and utilization of a colostomy bag.[2] Nerve stimulation involves the placement of electrodes near the nerves that travel through a person's hips and down their legs.[3] Colostomy bags are bags that collect feces from their intestines through a surgically created hole on a person's stomach.[4]

Children with certain conditions, including spina bifida and anal atresia, may struggle with leaks even after physical therapy and other interventions, so they may benefit from using anal plugs.[5][6] Spina bifida is a birth defect where a part of the spinal cord is not surrounded by the vertebrae; either the spinal cord is still in the back, just not surrounded by the vertebral bones, or it can be bulging out in a sac.[7] Anal atresia is another birth defect where the rectum and/or anus is deformed: fecal incontinence is a side effect.[8]

The one common feature of people who use anal plugs is they all experience fecal incontinence, which is both uncomfortable and embarrassing. Some people may use it temporarily during certain events or while they have certain temporary medical conditions, such as women recovering from childbirth; others may need to use anal plugs for the rest of their lives. Others may opt to also use perineal pads or undergarments such as diapers to prevent the soiling of oneself. Management of fecal incontinence is very person-dependent, as anally inserted devices may not be for everyone.

Benefits

The plug allows individuals control over their bowel movements and may decrease negative side effects due to leakage. People have reported suffering from fewer of anal rashes, decreased soreness, and improved hygiene.[2] Anal plugs can also be an affordable option: some countries with universal healthcare, like Germany, buy anal plugs for people who need them.[9] During the development and approval of the Renew Insert, which is one of the types of anal plugs that have been developed, researchers found that on average people used 2.6 inserts per day.[2] However, this plug is designed to be worn for twelve-hours; the number of inserts needed per day increases when products that have to be changed four times a day are considered.[10]

Whether anal plugs are a good choice varies based on the person. Trials have shown anywhere from 25-80% of people were satisfied enough with plug to continue using it.[2]

Drawbacks

People who have to pay for anal plugs out of pocket may find them to be expensive. Although some countries, such as Germany, may subsidize the cost for people, private insurance may not cover anal plugs.[9] Plugs have to be changed a minimum of twice a day, some up to four times per day.

Tolerability

At the same time, discomfort, side effects, and occasional leaks from using anal plugs have been reported.[2] A 2015 systematic review found that anal plugs may be helpful in treating fecal incontinence, provided that they are tolerated and that people actually use them.[11][12] A 2001 study found that a majority of people could not tolerate an anal plug due to discomfort. Although only 20% decided to continue using the plug on a regular basis, anal plugs were generally successful at controlling fecal incontinence. Since anal plugs are considered an invasive strategy, they can result in pain, soreness, irritation, fecal urgency, and societal embarrassment.[2] Bleeding hemorrhoids were a rare adverse event.[13] There is not a lot of evidence reported on the efficacy on the different types of anal plugs, so the choice of plug can be up to people and their doctors.[2] Some other challenges of the plug include occasional slippage with decreases the efficacy and increases discomfort, but people report more usage for occasions where anal leakage would be publicly troublesome.[2][13] Anal plugs of smaller volume may resolve some people's discomfort, but still provide coverage for leakage.[13][14]

Due to the complexity of fecal incontinence, the use of anal plugs are not well defined in guidelines and treatment pathways, which decrease the comfortability of medical professional on prescribing and usage of anal plugs.[2] Therefore, more studies are needed in order for healthcare providers and regular people to understand when anal plugs are an option worth considering.

Products

Anal plugs may come as tampons and inserts as detailed below. Tampons are similar to menstruation tampons, which can expand and absorb substances to prevent leakage. Inserts are more a physical blockage inserted into the rectal cavity to stop feces from escaping. Plugs come in a variety of shapes, sizes, and materials. Polyurethane plugs have been found to be preferred over polyvinyl-alcohol plugs, and are also associated with less plug loss.[11] For all plugs that become stuck in the rectum, it is recommended to see a doctor if does not come out in the next bowel movement.

Peristeen Anal Plug

The Peristeen (formerly Conveen) Anal Plug produced by Coloplast is a disposable polyurethane insert coated in a water-soluble film.[15] When exposed to warmth and moisture in the anal canal, the film dissolves, allowing for the plug to expand. It has a conical tip and a cord to tug on for removal.[16] It comes in two sizes, and is inserted similarly to a suppository. This plug may remain inside the rectum for up to 12 hours.

An assortment of A-tam anal tampons produced by Med SSE-System.

A-tam Anal Tampon

The polyvinyl-alcohol anal tampons A-tam produced by Med SSE-System in Germany come in various sizes and shapes including cone, cylindrical, spiral, concave, convex, and ball-headed.[9] The different shapes address can different concerns, based on anal sphincter muscle function, remaining muscle tissue, and gassiness. A starter assortment of individually packaged plugs may be initially sent so the best shape and size can be chosen. The plug should be soaked in warm water before inserted, similar to some rectal suppositories. While the plugs are single-use, the applicator may be used multiple times. Changing out the plug three times a day every 6-8 hours and anal hygiene are also recommended. A prescription is needed for this product.

Renew Insert

Renew Inserts from Renew Medical are single-use silicone plugs that come in two sizes and require a prescription.[10] The large size is recommended for adults, while the regular size may be used for children and young adults. Renew Medical also offers free starter packs to determine the appropriate size. Each plug is made of two attached disks and comes connected to a fingertip applicator which is disposed after insertion. The top disk blocks the stool, while the bottom disk secures the insert in place to prevent displacement. It can be removed either by pulling it out or through defecation, removing the concern of losing the plug in the anal canal.[13] In a 2015 study, these inserts were found to have high consumer satisfaction and tolerability. This was suggested to be due to less irritation and discomfort since the less of the insert is in the rectum compared to the traditional foam anal plug.[13] In the 2015 Medical Design Excellence Awards, it won a silver medal.[10]

ProCon2

The ProCon2 device by Incontinent Control Devices, Inc is composed of a blow-up balloon cuff attached to the end of a silicon catheter with vent holes at the tip for flatulence to escape.[17] The catheter is inserted into the anal canal and the balloon cuff is inflated with water or air through a syringe attached to the exposed portion of the catheter. Once inflated, the exposed end of the catheter is pulled until the balloon cuff is met with resistance within the anus. An infrared photo-interruptor sensor in the catheter senses stool in the anal canal, sending a notification to a pager. To remove the device, the catheter is cut to allow the balloon to deflate before pulling it out. Each device is made for single-use. It is not recommended to reuse these plugs.

SURGISPON Anal Tampon

The SURGISPON anal tampon is made of a gamma-sterilized gelatin sponge and, unlike the previously mentioned products, is used to stop bleeding in anal and rectal surgeries and post-surgery bleeding and pain.[18] The sponge can absorb up to 45 times its weight, liquefying and eventually being excreted in a bowel movement within 1-2 days. It also has an opening in the middle for gas to escape, and may be used as a carrier for delivery of antibiotics, thrombin, or chemotherapeutics. It is inserted either dry or wet, but for surgeries, it is inserted dry using a proctoscope while a T-bandage holds the butt together. It may also be inserted into the vagina using a speculum.

Vaginal Plugs

The Eclipse System Vaginal Insert is a silicone; typically colorless oils or rubber like substances, coated stainless steel base device, and is also a pressure regulated pump.[13] There is a dual layer balloon on the posterior side of the device, used to provide reversible occlusion of the rectum and helps with bowel movement for the user. The inflated balloon places pressure on the rectum, which keeps the stools from passing. Although these plugs are not inserted rectally, their purpose is the same as the anal plugs, which are to prevent fecal leakage. During defecation, the insert gets deflated instead of removed. In addition, the device should be removed for cleaning once a week, and prior to any sexual activity for proper hygiene.

Anal Hygiene

Anal cleansing is the practice of proper sanitization and maintaining healthy hygiene in a person’s rectal area. It is usually done post defecation.[19] From a science perspective, it helps prevent pathogen exposure, which could lead to infections or diseases. The cleansing process involves rinsing the rectal cavity with water and usually wiping the area with toilet paper or baby wipes. Sometimes, a hand is used for rubbing the area while rinsing it with water. Other times, bidet system could be used instead.[19] A bidet is a plumbing device that is usually installed as a separate unit beside the bathroom tub to wash one's inner buttocks and anal area.

Reasons to maintain anal hygiene:

Maintaining good anal hygiene contributes to an individual overall health.[20] Some of the key benefits include:

  1. It helps prevent infections - maintaining anal hygiene reduces the risk of fungal infections and other bacteria entering the anal area, and eventually entering the whole body.
  2. Prevent UTI’s - urinary tract infection is a urinary infection in any part of the urinary system. By ensuring proper wiping and good anal hygiene, the risk of bacteria spreading from the anal area to the urinary tract will be reduced.
  3. Prevent anal fissures - anal fissures are very small tears around the anus. This could be very uncomfortable and painful to an individual. Assuring proper hygiene of the anal area will help reduce the chance of fissures.
  4. Minimize odor; unpleasant smell - having a regular cleansing routine of the anal area will help regulate odor with fecal matter.
  5. Assisting in sexual health and products - anal hygiene is very important for individuals that are sexually active, as well as for those using anal products.[21] It helps reduce the risk of a sexual transmitted infections (STIs); an infection transmitted through sexual contact, and maintain comfort during activities.

References

  1. Mortensen, N.; Humphreys, M.S. (1991). "The anal continence plug: a disposable device for patients with anorectal incontinence". The Lancet. 338 (8762): 295–297. doi:10.1016/0140-6736(91)90428-r. ISSN 0140-6736. PMID 1677121. S2CID 37641453.
  2. How P, Trivedi PM, Bearn PE, Thomas GP (2021). "Insert devices for faecal incontinence". Techniques in Coloproctology. 25 (3): 255–265. doi:10.1007/s10151-020-02317-3. PMID 32870438. S2CID 221381864.
  3. Dm, Hayden; Eg, Weiss (2011). "Fecal incontinence: etiology, evaluation, and treatment". Clinics in Colon and Rectal Surgery. 24 (1): 064–070. doi:10.1055/s-0031-1272825. ISSN 1530-9681. PMC 3140335. PMID 22379407.
  4. F, Mulita; S, Lotfollahzadeh (2023). "Intestinal Stoma". PubMed. PMID 33351447.
  5. Shoshan, Levana; Ben-Zvi, Dvora; Katz-Leurer, Michal (2008). "Use of the Anal Plug in the Treatment of Fecal Incontinence in Patients With Meningomyelocele". Journal of Pediatric Nursing. 23 (5): 395–399. doi:10.1016/j.pedn.2006.09.006. PMID 18804021.
  6. Van Winckel, M.; Van Biervliet, S.; Van Laecke, E.; Hoebeke, P. (2006). "Is an Anal Plug Useful in the Treatment of Fecal Incontinence in Children With Spina Bifida or Anal Atresia?". Journal of Urology. 176 (1): 342–344. doi:10.1016/S0022-5347(06)00302-8. ISSN 0022-5347. PMID 16753439.
  7. Brea, Cristina M.; Munakomi, Sunil (2023), "Spina Bifida", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 32644691, retrieved 2023-08-01
  8. Singh, Meenakshi; Mehra, Kashish (2023), "Imperforate Anus", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 31747191
  9. "A-Tam® Analtampons". www.medsse.de (in German).
  10. "About Renew Inserts". Renew Medical.
  11. Deutekom M, Dobben AC (2015). "Plugs for containing faecal incontinence". The Cochrane Database of Systematic Reviews. 2015 (7): CD005086. doi:10.1002/14651858.CD005086.pub4. PMC 9058784. PMID 26193665.
  12. Carter D (2014). "Conservative treatment for anal incontinence". Gastroenterology Report. 2 (2): 85–91. doi:10.1093/gastro/gou013. PMC 4020129. PMID 24759347.
  13. Buono K, Davé-Heliker B (2019). "Mechanical inserts for the treatment of faecal incontinence: A systematic review". Arab Journal of Urology. 17 (1): 69–76. doi:10.1080/2090598X.2019.1589776. PMC 6583709. PMID 31258946.
  14. Maeda K, Mimura T, Yoshioka K, Seki M, Katsuno H, Takao Y, et al. (2021). "Japanese Practice Guidelines for Fecal Incontinence Part 2-Examination and Conservative Treatment for Fecal Incontinence- English Version". Journal of the Anus, Rectum and Colon. 5 (1): 67–83. doi:10.23922/jarc.2020-079. PMC 7843146. PMID 33537502.
  15. "Peristeen® Anal Plug". products.coloplast.com.au.
  16. Doherty W (2004). "Managing faecal incontinence or leakage: the Peristeen Anal Plug". British Journal of Nursing. 13 (21): 1293–1297. doi:10.12968/bjon.2004.13.21.17116. PMID 15580080.
  17. Giamundo P, Welber A, Weiss EG, Vernava AM, Nogueras JJ, Wexner SD (2002). "The procon incontinence device: a new nonsurgical approach to preventing episodes of fecal incontinence". The American Journal of Gastroenterology. 97 (9): 2328–2332. doi:10.1111/j.1572-0241.2002.05987.x. PMID 12358252. S2CID 10868008.
  18. "Anal Tampon Hemostatic Sponges". George & Georges MediSurg Limited.
  19. McMahon, Shannon; Caruso, Bethany A.; Obure, Alfredo; Okumu, Fred; Rheingans, Richard D. (2011). "Anal cleansing practices and faecal contamination: a preliminary investigation of behaviours and conditions in schools in rural Nyanza Province, Kenya: Anal cleansing practices and faecal contamination". Tropical Medicine & International Health. 16 (12): 1536–1540. doi:10.1111/j.1365-3156.2011.02879.x. PMID 21906214.
  20. Chen, Ying; Bruning, Elizabeth; Rubino, Joseph; Eder, Scott E (2017). "Role of female intimate hygiene in vulvovaginal health: Global hygiene practices and product usage". Women's Health. 13 (3): 58–67. doi:10.1177/1745505717731011. ISSN 1745-5065. PMC 7789027. PMID 28934912.
  21. Leichliter, Jami S.; Chandra, Anjani; Liddon, Nicole; Fenton, Kevin A.; Aral, Sevgi O. (2007-12-15). "Prevalence and correlates of heterosexual anal and oral sex in adolescents and adults in the United States". The Journal of Infectious Diseases. 196 (12): 1852–1859. doi:10.1086/522867. ISSN 0022-1899. PMID 18190267.
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