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Nonexcisional, Minimally Invasive Rejuvenation of the Neck

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Nonexcisional, Minimally Invasive Rejuvenation of the Neck Author's personal copy Nonexcisional, Minimally Invasive Rejuvenation of the Neck R. Stephen Mulholland, MD, FRCS(C) KEYWORDS Noninvasive neck rejuvenation Laser neck procedures Radiofrequency neck procedures Bodytite NeckTite FaceTite Smartlipo Fractora Fractional CO2 RF Radiofrequency skin resurfacing KEY POINTS This paper describes nonexcisional techniques for neck rejuvenation. External and subcutaneous and subdermal laser, RF, light, ultrasound and injectable treatments are reviewed. Editor Commentary: Steve and I have been involved in several emerging technologies and have had the pleasure to discuss alternative and additive modalities with him frequently. In this chapter, Steve takes us on the journey of minimally invasive and non-invasive energy based techniques to rejuvenate the aging neck. He frequently combines these techniques with open aggressive procedures. Realizing that mini- mally invasive techniques can provide measureable skin tightening has provided yet another opportunity to answer our patients’ desires for procedures with a quicker recovery. Of course these can be stand alone procedures or performed along with or following more aggressive surgical maneuvers. The patient with minimal submental and or jowl laxity after a face and necklift looks to us to provide a solution. For sure, we enjoy surgery more than our patients and therein lies their quest for an easy answer without sur- gical expense and downtime. INTRODUCTION concerns, both surgically and nonsurgically. For the surgeon, being skilled in nonsurgical cervical Western civilization is experiencing a “boom in rejuvenation is critical, as many patients may opt boomers,” an aging population, with population for nonexcisional cervical enhancements, alone, decline. The aging population in Western Europe, or in combination with other facial cosmetic surgi- North America, and Asia has disposable income cal procedures. For the cervical surgeon, a famil- and the mantra of “youth and vitality” has this gen- iarity and expertise with nonsurgical management eration increasingly presenting for aesthetic treat- of the neck, as “stand-alone” therapy or as postop- ments, specifically noninvasive or nonexcisional 1,2 erative “protect your investment” treatments, may procedures. The neck aesthetic subunit often help extend and prolong the achievements ages early and more noticeably than other head achieved surgically. and neck regions and is one of the most common A youthful neck is most often characterized by an motivations for patients to present to aesthetic acute cervicomental angle and a firm, well-defined physicians for rejuvenation options. The neck un- jawline (Fig. 1). The skin in a youthful neck is dergoes extrinsic and intrinsic aging changes in smooth and devoid of horizontal or vertical neck all anatomic layers and the aesthetic physician lines; has no platysmal bands; no visible subman- must be well equipped to deal with aging cervical dibular glands; small, nonhypertrophic masseter Private Aesthetic Plastic Surgery Practice, SpaMedica 66 Avenue, Toronto, Ontario M5R 3N8, Canada E-mail addresses: [email protected]; [email protected] Clin Plastic Surg 41 (2014) 11–31 http://dx.doi.org/10.1016/j.cps.2013.09.002 0094-1298/14/$ – see front matter Ó 2014 Elsevier Inc. All rights reserved. plasticsurgery.theclinics.com Author's personal copy 12 Mulholland Fig. 1. Characteristics of an ideal youthful neck. muscles; and skin that is bright and even in color, approach to nonexcisional rejuvenation of the with minimal melanin or vascular lesions.3 neck. For the nonexcisional cervical physician, aesthetic rejuvenation of the neck with a multi- AESTHETIC CERVICAL ANATOMY OF THE modal, nonexcisional, minimally invasive approach NECK will be a very common and popular component of the facial aesthetic practice. For all aesthetic phy- This issue of Clinics in Plastic Surgery deals exten- sicians, familiarity with the aging tissue changes sively with the surgical options and management of the neck, its anatomy and the possible minimally of the aging neck. However, the noninvasive, mini- invasive, nonexcisional interventions, including mally invasive and nonexcisional solutions for the laser, light, radio frequency, high-intensity focused neck are often what patients opt for and, many ultrasound (HIFU) energy-based therapy, both times, are techniques and strategies that can transepidermal and subdermal approaches, inject- also enhance and/or extend surgical results, or able soft tissue fillers, neuromodulators, and abla- can be applied following surgical neck procedures tive and nonablative technologies for skin to provide smaller enhancements and mainte- rejuvenation, as well as suture-based suspensory nance of the outcome postoperatively. techniques, all used alone or in combination, will The aesthetic anatomy of the neck can be be a valuable asset to the global aesthetic head divided into several layers, from superficial to and neck cosmetic physician. deep, starting with the skin, subcutaneous tissue, This article brings together the “tried-and-true” superficial musculo-facial layer and deep subpla- nonexcisional neck rejuvenation methodologies, tysmal structures (Fig. 1).3 In this section, the rele- which have had long-term, peer-reviewed success vant anatomy of the neck as it pertains to in the literature, together with procedures and minimally invasive and noninvasive rejuvenation technologies that have emerged in the past few procedures is outlined and then cervical enhance- years that have proven to be successful and com- ment options for each layer follow. plementary. It is my hope that this information as- The anatomic classification of the neck pertains sists aesthetic physicians in enhancing their global to the aging structures as the patient sees them Author's personal copy Nonexcisional, Minimally Invasive Rejuvenation 13 and to the anatomic options and targets that the cumulative photoaging of the neck combined aesthetic physician may elect to treat, which are with intrinsic aging and mimetic changes results outlined in Fig. 2. in a typical aging cutaneous cervical envelope, characterized by thin “crepe” skin, diffuse dys- chromia and telangiectasia, with multiple vertical Cutaneous Cervical Layer lines in the midline, affectionately termed “iguana The cutaneous layer of the neck consists of a neck,” as well as horizontal lines, centrally and relatively thin epidermis and dermis. The skin of laterally, attributed to platysma and cervical mo- the neck is subject to multiple mimetic and cervi- tion (see Fig. 3). cal animations, and tensile and compressive The aesthetic physician needs to be especially loads. Bending the neck in the anterior-posterior skilled in the rejuvenation of the cutaneous layer direction, as well as side to side with active of the neck. Surgeons performing excisional contraction of the underlying platysma, can lead neck surgery can often fail to deliver optimal to horizontal lines or “necklace lines.” The skin neck rejuvenation results by not being familiar ages as a consequence of intrinsic (genetic) and with, or equipped to deal with, superficial aging extrinsic (applied) forces. The neck itself is often changes of the neck. The superficial cutaneous exposed to the sun and may not be protected aging changes to the neck do not respond opti- by sunscreen and, thus, often presents with sig- mally to pure tensile repositioning characterized nificant extrinsic photoaging. Cervical photoaging by neck lift surgery, but rather, respond to multi- will result in increased epidermal thickness, modal, noninvasive treatments designed to degeneration of functional elements of the cervi- improve the more superficial color, tone, and cal dermis, such as useful collagen, elastin, and texture of the skin. Similarly, nonsurgical aesthetic ground substances, with accumulation of whorls physicians need to familiarize themselves with the of elastotic collagen in the deep dermis (Fig. 3). various nonexcisional treatment modalities used Aging laxity of the platysmal muscle may lead to to rejuvenate the cutaneous layers of the aging visible central and/or lateral neck bands. The neck. Fig. 2. Anatomic classification of the neck pertaining to the aging structures and to the anatomic options with potential for treatment. Author's personal copy 14 Mulholland Fig. 3. (Left) Cervical photoaging resulting in laxity of the platysmal muscle and thin “crepe” skin, with multiple vertical lines and horizontal lines attributed to platysma and cervical motion. (Right) Complete cervical dyschro- mia correction combined with de´ collete´ provides a natural blend between the rejuvenated neck, the chest, and the face. Subcutaneous Cervical Layer The Cervical Platysmal Layer Deep to the cutaneous, epidermal-dermal layer of The platysma bands are wide, broad strap-shaped the neck is subcutaneous or adipose tissue. There skeletal muscles extending from the clavicle to the can be a wide variation in aging presentations of dermal attachments along the mandibular border.3 the cervical subcutaneous layer. Some patients The cervical platysma is invested by the superficial have aging cervical phenotypes that have little layer of the deep cervical fascia and will extend su- subcutaneous fat between the deep dermis and periorly as the superficial-muscular aponeurotic the underlying platysma, whereas other patients system (SMAS).3 The platysma comes in a number have extensive amounts of subcutaneous fat be- of anatomic variants, including those with no cen-
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