OJHAS: 2011-3-9. Salati SA. Complications of Dermal Filling.

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OJHAS Vol. 10, Issue 3: (Jul-Sep 2011)


		Short Review

Complications of Dermal Filling


		Author

Sajad Ahmad Salati,
Assistant Professor of Surgery, College of Medicine, Qassim University, Saudi Arabia.


		Address for Correspondence

Dr. Sajad Ahmad Salati,
Assistant Professor of Surgery,
College of Medicine,
Qassim University,
Saudi Arabia.
E-mail: docsajad@yahoo.co.in


		Citation

Salati SA. Complications of Dermal Filling. Online J Health Allied Scs. 2011;10(3):9


		URL

http://www.ojhas.org/issue39/2011-3-9.htm


		Open Access Archives

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This work is licensed under a Creative Commons Attribution-No Derivative Works 2.5 India License

This Article

Submitted: Jul 28, 2011; Accepted: Oct 22, 2011; Published: Nov 15, 2011

Abstract:

Dermal fillers have globally become sought after drugs due to the desire of aging population to regain the youthful looks without any surgical operations. But like other procedures, dermal filling can become complicated. Besides the profitability have introduced the factor of malpractice which can bring in misery rather than beauty and youthful body contours. This article briefly reviews the common adverse effects of dermal fillers.
Key Words: Dermal fillers; Complications; Consent; Malpractice



		Introduction

Dermal fillers have brought in a virtual revolution in the field of cosmetic surgery in recent years ^1-2. These fillers have provided a safe and effective method for neutralizing the effects of aging and stress and regain a youthful and healthy appearance without coming under the sharp knives of surgeons and with minimal down time. These drugs have been widely advertised and marketed by pharmaceutical companies and the concept of soft tissue augmentation is continuously attracting aging people who are eager to look better.

However with the widespread surge on the use of dermal fillers for body rejuvenation, a new disease entity in the form of adverse outcomes and complications of these cosmetic procedures are being reported in the literature ^3-7. The adverse effects to dermal fillers can be attributed to the procedure itself, the procedural technique, and the agent injected ⁵. Among these factors, the injection techniques have been reported to be most significant in present era of temporary fillers ⁶. The faulty techniques by novice or unqualified or greedy practitioners have been the cause for most of the miserable outcomes after these cosmetic procedures.



		Complications of Dermal Fillers

The complications of dermal fillers are varied and include:

Transient /predictable complications

There are certain transient and predictable complications which include erythema, edema and ecchymoses. They may occur immediately after the procedure or present hours after the injections are completed. In some studies, such transient adverse events related to dermal filling have been reported in as high as 21.5% ⁶of the injections. Ecchymoses is usually minor and resolves without intervention after 2 to 3 days. Although ice packs and cooling after injections can increase patient comfort, they have not been found to be efficacious in reducing postoperative edema.

More significant ecchymoses may develop in patients who consume alcohol, anticoagulants or nonsteroidal anti-inflammatory drugs, or certain herbal medications associated with prolonged bleeding; examples include vitamin E, ginger, garlic, ginseng, and gingko biloba. The herbal medications are often underreported by patients in the screening process. Ciocon et al recommend discontinuing these agents at least 1 week prior to major procedures although bleeding time may take 2 to 3 weeks to fully correct.⁸

Besides the technique and expertise of the injector are also important determinants of immediate complications. In this regard, Gladstone et al has reported that the fanning injection technique for dermal fillers can also increase the likelihood of bleeding.⁹

Fig 1: Edema and ecchymosis after gluteal dermal filling

Infection

Infections associated with dermal filling can appear early as acute infection or late as chronic infection. Acute infections generally occur due to breach of aseptic techniques should be rare in expert hands. These early infective lesions in form of inflammation or even abscesses may be due to common skin and soft tissue pathogens, including Staphylococcus aureus.⁵

Lesions that develop more than 2 weeks post dermal filling might even suggest the presence of an atypical infection, and mycobacteria also need to be considered as causative organism. Besides, dermal filling can lead to reactivation of herpes infections. Infection may also be due to faulty products and outbreaks of mycobacterial infections have been reported to use of tainted dermal fillers by nonphysicians.¹⁰ Similarly there are reports of chronic abscess formation due to organisms like E �coli even as late as seven years after dermal filling with Bio- Alcamid.¹¹

Fig 2: Multiple gluteal abscesses after dermal filling

Skin Discoloration

Significant skin discoloration can occur at the site of treatment; this typically occurs immediately after injection and generally resolves within a few weeks as mentioned before.³ Reddish discoloration signifies an inﬂammatory response, whereas pallor at the injection site can be attributed to overcorrection or the color of the injected substance. Hyperpigmentation (which can be treated with depigmentary cream) and bluish discoloration have also been reported, particularly in cases of products containing hyaluronic acid. The bluish hue may represent both traces of hemosiderin associated with vascular injury and visual distortion from light refraction to the ﬁller through the skin (Tyndall effect) due to superficial deposition.

Hypersensitivity reactions

Dermal fillers are essentially foreign bodies and some patients may develop hypersensitivity to injected products due to an exaggerated immune response. Such reactions generally occur within minutes of exposure to a challenging antigen owing to the release of histamine, and manifest as edema, erythema, pain, and itching. These allergic reactions can be severe ¹⁵, and cases of severe angio-edema and anaphylactic shock have been reported in literature.¹⁶

Nodule/ granuloma formation

Nodules may be inﬂammatory or noninﬂammatory and infection-or noninfection-related and may present subcutaneously or in the dermis^14-15. Non-erythematous, painless nodules occurring earlier than 2 weeks are likely related to uneven filler placement ¹⁶, but pain, erythema and fluctuation may indicate infection. Intermediate to late nodule complications, arising 2 weeks to 1 year post injection, and delayed nodules noted beyond 1 year, may be immune responses to the filler or infectious granulomas. Delayed onset fibrotic nodules may be seen with poorly placed particulate stimulatory filler, such as poly-L-lactic acid and calcium hydroxyl apatite, especially in mobile areas, such as the lip, or with the use of poly-L-lactic acid, particularly because of the inadequate dilution of filler.

Fig 3: Multiple nodules over dorsum of hand one year after dermal filling with silicone.

Asymmetry

Dermal fillers may temporarily produce a bloated appearance but a major complication which occurs as a result of poor filling technique is under/over correction leading to asymmetry and ugly outcomes. Overcorrection of the upper lip can lead to a �duck bill� appearance. Asymmetry due to temporary fillers resolves with time but if permanent fillers are injected, the asymmetry will be a cosmetic and mental disaster.

Fig 4 : Asymmetrical lips after dermal filling

Skin necrosis

Injection necrosis is a rare but clinically important and serious potential complication of dermal filling. This results from interruption of the vascular supply to the area by compression, injury, and/or obstruction of the vessel(s).^17-18 It may occur when the material is injected into the angular artery of the nasolabial fold or the supratrochlear artery in the glabellar region. Compression of the supratrochlear vessels during injection of the filler has been proposed as a technique to minimize this complication.

Fig 5: Skin necrosis over dorsum of hand after dermal filling

Miscellaneous complications

In the literature, there are many other complications reported with use of dermal fillers which are uncommon but are potentially serious. These include:

Embolism

Filler injections in the gluteal area have been reported by Coronado-Malag�n M et al ¹⁹ to result in fat embolism. Pulmonary embolism has been reported by Hyung Joo Park et al ²⁰ as a serious consequence of vaginal filling with hyaluronic acid based filler. Even cerebral artery embolism with resultant neuro-deficit have been reported.²¹

Ocular complications

The retinal artery and posterior ciliary arteries are proximal branches of the ophthalmic artery. Multiple superficial arteries of the face are distal branches of the ophthalmic artery (supraorbital, supratrochlear, dorsal nasal, angular artery of the nose). A cannula or needle used to inject a soft tissue filler can accidentally perforate the wall of one of the distal branches and enter the artery�s lumen and when the plunger of the syringe is pressed to propel the injectable filler out of the syringe, the filler gets injected into the lumen of the cannulated artery. The filler displaces the arterial blood and travels as a column proximally past the origin of the retinal artery. As the forced injection ceases at the end of procedure, the arterial systolic pressure propels the filler anterograde flow into retinal central artery and anterior and long posterior ciliary arteries leading to blindness, corneal and iris ischaemia, and total ophthalmoplegia. There are many such reports published in literature.^{22 -25}

Diagnostic difficulties

The patients can presents as lumps and bumps simulating malignant lesions. The diagnostic difficulties are more in cases that conceal the history of dermal filling and result in battery of investigations. Many times the issues are settled only after histopathological analysis of the lesions.²⁶



		Management of Complications

Management of the complications of dermal fillers depends on the nature of the adverse effect and the nature of the filler. But due to profitability of this cosmetic procedure, unscrupulous practitioners are being reported globally to inject substandard and unauthorized products without detailing the patients about the nature of products. Or else, the patients might be reluctant to volunteer the history of dermal filling due to social inhibitions and may create a challenging situation in diagnosis and management. In our series, majority (51%) of the cases was unaware of the nature of the injected filler. If however the nature of filler is known, multiple medical means to reverse the adverse effects can be tried. These include the use of local/ systemic steroids, hyaluronidase, antibiotics, analgesia and anti-inflammatory drugs besides counseling and physical methods like cold sponging. Wiest LG et al have successfully treated granulomas arising from permanent fillers containing microparticles with a hydrophobic surface like hydroxymethylmethacrylate and ethylmethacrylate were treated with good results with a regimen of allopurinol and intralesional injections with a mixture of fluorouracil and low-dose triamcinolone.²⁷ Surgical intervention has a role in management complications ²⁸ and may include drainage of abscesses, revision of scars, and excision of granulomas and nodules.

To avoid such ocular complications, Coleman R S recommends using larger, blunt cannulas and epinephrine at the injection site, while avoiding the injection of large boluses of soft tissue filler in the face.²⁹

Administration of dermal fillers without proper informed consent widely mentioned in literature.³⁰ It is must that the people are informed about all the aspects of dermal filling with particular emphasis on complications before embarking on these procedures.



		Conclusion

Dermal fillers are an important recent advance in cosmetic dermatology but it has the potential to produce complications particularly in hands of untrained or uncertified hands. There is need to improve the level of knowledge among the general population regarding positive and negative effects of dermal fillers.



		References

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