Medicine:Injectable filler

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Short description: Fillers for cosmetic skin smoothing

Injectable filler (injectable cosmetic filler, injectable facial filler) is a soft tissue filler injected into the skin at different depths to help fill in facial wrinkles, provide facial volume, and augment facial features: restoring a smoother appearance. Most of these wrinkle fillers are temporary because they are eventually absorbed by the body. Most dermal fillers today consist of hyaluronic acid, a naturally occurring polysaccharide that is present in skin and cartilage. Some people may need more than one injection to achieve the wrinkle-smoothing effect. The effect lasts for about six months or longer. Successful results depend on health of the skin, skill of the health care provider, and type of filler used. Regardless of material (whether synthetic or organic) filler duration is highly dependent on amount of activity in the region where it is injected. Exercise and high intensity activities such as manual labor can stimulate blood flow and shorten the lifespan of fillers.[1]

In the US, fillers are approved as medical devices by the Food and Drug Administration (FDA) and the injection is prescribed and performed by a provider. What defines a qualified dermal injection provider varies by country and is a point of debate between board-certified doctors and injectors who operate under cosmetic or aesthetician licenses. Fillers are not to be confused with Neurotoxins such as Botox. Fillers are not approved for certain parts of the body where they can be unsafe, including the penis.[2] Injectable fillers may be used in these regions - forehead, temples, under eye zone, cheekbones, nose, midface (nasolabial folds), around the mouth, lips, chin, and jawline. Except for those areas, dermal fillers are also effective for treatments in the neck, décolleté, and hands zones.[3] In Europe and the UK, fillers are non-prescription medical devices that can be injected by anyone licensed to do so by the respective medical authorities. They require a CE mark, which regulates adherence to production standards, but does not require any demonstration of medical efficacy. As a result, there are over 140 injectable fillers in the UK/European market and only six approved for use in the US.[4] In China, the market of cosmetic surgery increase in recent 10 years, NMPA (formerly CFDA) also has issued several guidance to regulate injectable filler.[5]

Medical uses

Dermal fillers, also known as "injectables" or "soft-tissue fillers," fill in the area under the skin, and have some non-cosmetic uses, such as:

  • non-surgical cleft repair/modification
  • treating fat loss secondary to HIV.[6] Fillers were found to give a temporary acceptable therapeutic effect in HIV‐infected patients with severe facial lipodystrophy which is caused by the highly active antiretroviral therapy.[7][8] A systemic review concluded that the injectable fillers resulted in high satisfaction, however, further research is needed to determine the safety of its use.[9][10]
  • Migraine treatment. Some studies have shown that injecting dermal fillers into specific trigger points can help to alleviate the symptoms of chronic migraines.
  • Joint pain. Dermal fillers can be injected into joints to provide additional cushioning and lubrication, which can help to alleviate joint pain caused by conditions such as osteoarthritis.
  • Hand rejuvenation. Dermal fillers can be used to add volume to the hands, which can help to reduce the appearance of veins and tendons.[11]

Risks

Risks of an improperly performed dermal filler procedure commonly include bruising, redness, pain, or itching. Less commonly, there may be infections or allergic reactions, which may cause scarring and lumps that may require surgical correction.[12] More rarely, serious adverse effects such as blindness due to retrograde (opposite the direction of normal blood flow) embolization into the ophthalmic and retinal arteries can occur.[13] Delayed skin necrosis can also occur as a complication of embolization.[14] Embolic complications are more frequently seen when autologous fat is used as a filler, followed by hyaluronic acid. Though rare, when vision loss does occur, it is usually permanent.[15]

Materials used

Fillers are made of polysacchides (such as hyaluronic acids),[16] collagens (which may come from pigs, cows, cadavers, or may be generated in a laboratory),[17] the person's own transplanted fat, and/or biosynthetic polymers. Examples of the latter include calcium hydroxylapatite, polycaprolactone, polymethylmethacrylate, and polylactic acid.[18] In 2012, "Artiste Assisted Injection System" was launched in the US market to assist in the delivery of dermal fillers. A study in 2013 concluded that the injecting device can achieve reductions in patient discomfort and adverse events by controlling the rate of flow of injection of the filler the practitioner is using to fill in the lips and frown lines.[19]

See also

References

  1. ↑ "Consumer Updates - Filling in Wrinkles Safely". https://www.fda.gov/ForConsumers/ConsumerUpdates/ucm049349.htm. 
  2. ↑ "Dermal Fillers (Soft Tissue Fillers)". Center for Devices and Radiological Health. https://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/CosmeticDevices/WrinkleFillers/default.htm. 
  3. ↑ "How Long Do Dermal Fillers Last?" (in en-US). 2022-08-08. https://fillersupplies.com/how-long-do-dermal-fillers-last/. 
  4. ↑ Bray, Dominic; Hopkins, Claire; Roberts, David N. (2010). "A review of dermal fillers in facial plastic surgery". Current Opinion in Otolaryngology & Head and Neck Surgery 18 (4): 295–302. doi:10.1097/MOO.0b013e32833b5162. ISSN 1531-6998. PMID 20543696. 
  5. ↑ "The Overview of Requirement for High Risk Cosmetic Devices in Different Countries". 2019. https://www.qualtechs.com/en-gb/article/69. 
  6. ↑ Gooderham, Melinda; Solish, Nowell (2006-03-21). "Use of Hyaluronic Acid for Soft Tissue Augmentation of HIV-Associated Facial Lipodystrophy". Dermatologic Surgery 31 (1): 104–108. doi:10.1111/j.1524-4725.2005.31020. ISSN 1076-0512. PMID 15720106. 
  7. ↑ Moyle, GJ; Lysakova, L.; Brown, S.; Sibtain, N.; Healy, J.; Priest, C.; Mandalia, S.; Barton, SE (2004). "A randomized open-label study of immediate versus delayed polylactic acid injections for the cosmetic management of facial lipoatrophy in persons with HIV infection". HIV Medicine 5 (2): 82–87. doi:10.1111/j.1468-1293.2004.00190.x. PMID 15012646. 
  8. ↑ Jagdeo, Jared; Ho, Derek; Lo, Alex; Carruthers, Alastair (2015-12-01). "A systematic review of filler agents for aesthetic treatment of HIV facial lipoatrophy (FLA)". Journal of the American Academy of Dermatology 73 (6): 1040–1054.e14. doi:10.1016/j.jaad.2015.08.040. ISSN 0190-9622. PMID 26481056. 
  9. ↑ Sturm, Lana P.; Cooter, Rodney D.; Mutimer, Keith L.; Graham, John C.; Maddern, Guy J. (September 2009). "A systematic review of permanent and semipermanent dermal fillers for HIV-associated facial lipoatrophy". AIDS Patient Care and STDs 23 (9): 699–714. doi:10.1089/apc.2008.0230. ISSN 1557-7449. PMID 19673594. 
  10. ↑ Sturm, Lana P.; Cooter, Rodney D.; Mutimer, Keith L.; Graham, John C.; Maddern, Guy J. (September 2009). "A Systematic Review of Permanent and Semipermanent Dermal Fillers for HIV-Associated Facial Lipoatrophy". AIDS Patient Care and STDs 23 (9): 699–714. doi:10.1089/apc.2008.0230. ISSN 1087-2914. PMID 19673594. 
  11. ↑ https://fillercloud.com/dermal-fillers-cost-availability-and-procedure/ | Fillercloud | Botox & Dermal Fillers Wholesale
  12. ↑ Health, Center for Devices and Radiological. "Dermal Fillers" (WebContent). https://www.fda.gov/medicaldevices/productsandmedicalprocedures/cosmeticdevices/wrinklefillers/default.htm#Risks. 
  13. ↑ Ferneini, EM; Ferneini, AM (August 2016). "An Overview of Vascular Adverse Events Associated With Facial Soft Tissue Fillers: Recognition, Prevention, and Treatment.". Journal of Oral and Maxillofacial Surgery 74 (8): 1630–6. doi:10.1016/j.joms.2016.03.009. PMID 27067061. 
  14. ↑ Souza Felix Bravo, B; Klotz De Almeida Balassiano, L; Roos Mariano Da Rocha, C; Barbosa De Sousa Padilha, C; Martinezt Torrado, C; Teixeira Da Silva, R; Carlos Regazzi Avelleira, J (December 2015). "Delayed-type Necrosis after Soft-tissue Augmentation with Hyaluronic Acid.". The Journal of Clinical and Aesthetic Dermatology 8 (12): 42–7. PMID 26705447. 
  15. ↑ Beleznay, K; Carruthers, JD; Humphrey, S; Jones, D (October 2015). "Avoiding and Treating Blindness From Fillers: A Review of the World Literature.". Dermatologic Surgery 41 (10): 1097–117. doi:10.1097/dss.0000000000000486. PMID 26356847. 
  16. ↑ Gold MH (2007). "Use of hyaluronic acid fillers for the treatment of the aging face". Clin Interv Aging 2 (3): 369–76. doi:10.2147/cia.s1244. PMID 18044187. 
  17. ↑ Bray, Dominic; Hopkins, Claire; Roberts, David N. (2010). "A review of dermal fillers in facial plastic surgery". Current Opinion in Otolaryngology & Head and Neck Surgery 18 (4): 295–302. doi:10.1097/MOO.0b013e32833b5162. ISSN 1531-6998. PMID 20543696. 
  18. ↑ Liu, Michael H.; Beynet, David P.; Gharavi, Nima M. (June 2019). "Overview of Deep Dermal Fillers" (in en). Facial Plastic Surgery 35 (3): 224–229. doi:10.1055/s-0039-1688843. ISSN 0736-6825. PMID 31189194. http://www.thieme-connect.de/DOI/DOI?10.1055/s-0039-1688843. 
  19. ↑ Lorenc, Z. Paul; Bruce, Suzanne; Werschler, William Philip (July 2013). "Safety and efficacy of a continuous-flow, injection-assisted device in delivery of dermal fillers". Aesthetic Surgery Journal 33 (5): 705–712. doi:10.1177/1090820X13487372. ISSN 1527-330X. PMID 23671210. 



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