Neck Rejuvenation, An Issue of Facial Plastic Surgery Clinics of North America -  Mark M. Hamilton

Neck Rejuvenation, An Issue of Facial Plastic Surgery Clinics of North America (eBook)

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2014 | 1. Auflage
193 Seiten
Elsevier Health Sciences (Verlag)
978-0-323-29706-6 (ISBN)
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Necklift is essentially the foundation of 'facelift” or 'rhyditectomy' in cosmetic surgery. The neck is a major anatomic area that surgeons address when a patient wants facial rejuvenation. This issue of Facial Plastic Surgery Clinics focuses solely on Necklift. Every facial platic surgeon and plastic surgeon, along with dermatologists and other cosmetic specialists who work in facial rejuvenation will benefit from the information presented on neck lift techniques, less invasive and minimally invasive procedures, and tips from expert surgeons who work on the aging face. Videos showing technique accompany many of the articles, topics of which include: Anatomy and Physiology of the Aging Neck; Pre-operative Evaluation of the Aging Neck Patient; A Systematic Approach to Neck Rejuvenation; Non-Surgical Neck Tightening Treatments; Neck Skin Rejuvenation; Minimally Invasive Approaches to Neck Rejuvenation; Techniques for Rejuvenation of the Neck Platysma; The Extended SMAS Approach to Neck Rejuvenation; The Deep Plane Approach to Neck Rejuvenation; Vertical Neck Rejuvenation; Adjunctive Procedures to Neck Rejuvenation; Complications and Sequelae of Neck Rejuvenation.
Necklift is essentially the foundation of "e;facelift? or "e;rhyditectomy"e; in cosmetic surgery. The neck is a major anatomic area that surgeons address when a patient wants facial rejuvenation. This issue of Facial Plastic Surgery Clinics focuses solely on Necklift. Every facial platic surgeon and plastic surgeon, along with dermatologists and other cosmetic specialists who work in facial rejuvenation will benefit from the information presented on neck lift techniques, less invasive and minimally invasive procedures, and tips from expert surgeons who work on the aging face. Videos showing technique accompany many of the articles, topics of which include: Anatomy and Physiology of the Aging Neck; Pre-operative Evaluation of the Aging Neck Patient; A Systematic Approach to Neck Rejuvenation; Non-Surgical Neck Tightening Treatments; Neck Skin Rejuvenation; Minimally Invasive Approaches to Neck Rejuvenation; Techniques for Rejuvenation of the Neck Platysma; The Extended SMAS Approach to Neck Rejuvenation; The Deep Plane Approach to Neck Rejuvenation; Vertical Neck Rejuvenation; Adjunctive Procedures to Neck Rejuvenation; Complications and Sequelae of Neck Rejuvenation.

Front Cover 1
Neck Rejuvenation 2
copyright 
3 
Contributors 4
Contents 6
Facial Plastic Surgery Clinics 

9 
Preface 
10 
Anatomy and Physiology of the Aging Neck 12
Key points 12
Introduction 12
Anatomy and Physiology by Anatomic Structure 12
Skin 13
Cervical fascia 14
Superficial cervical fascia 14
Deep cervical fascia 14
Subcutaneous fat 15
Lymphatics 16
Superficial muscular aponeurotic system 16
Platysma 16
Subplatysmal deep compartment structures 17
Subplatysmal fat 17
Digastric muscles 18
Submandibular glands 19
SCM 19
Great auricular nerve 19
Facial nerve 19
Deeper structures 20
Mandible 20
Hyoid 20
Cartilaginous structures 20
Radiographic imaging 20
Summary 20
References 21
Preoperative Evaluation of the Aging Neck Patient 22
Key points 22
Introduction 22
Surgical candidate selection 23
Clinical neck procedure evaluation 24
History 24
Physical Examination 24
Summary 27
References 27
A Progressive Approach to Neck Rejuvenation 28
Key points 28
Overview and history of rhytidectomy 28
Direct Lipectomy 28
Platysma 29
SMAS 29
Deep Plane 29
Subperiostial 30
Short Incision 30
Technique Selection 30
Treatment goals 31
Preoperative evaluation 31
Fat Assessment 31
Skin Quality and Quantity 31
Lower Face and Jawline 31
Patient Health 32
Procedural approach 32
Patient Preparation and Anesthesia 32
Platysma Correction 32
Assessment of Skin and Tissue of Lower Face 33
Deep Plane Dissection 33
Extensive Skin Undermining 33
Direct Observation of SMAS 34
SMAS Techniques 34
Thick strong SMAS tissue 34
Thin strong SMAS tissue 35
Thick weak SMAS tissue 35
Thin weak SMAS tissue 36
Complications 36
Postoperative care 36
Expected recovery 37
Outcomes 37
Summary 40
References 41
Noninvasive Treatment of the Neck 42
Key points 42
Introduction 42
Intense focused ultrasound 43
Treatment goals and planned outcomes 43
Preprocedure planning and preparation 44
Patient positioning 44
Procedural approach 44
Potential complications 45
Postprocedure care/recovery 46
Outcomes 46
Clinical results in the literature 48
Discussion 51
Supplementary data 52
References 52
Neck Skin Rejuvenation 54
Key points 54
Introduction 54
Botulinum toxins 54
Peels and dermabrasion 55
Croton oil peel 55
Plasma skin regeneration 56
Lasers 56
A case of complications in fractional laser resurfacing 59
Case 59
Discussion 59
Neck rejuvenation with the ablative CO2 laser 61
Summary 65
References 65
Thermally Confined Micropulsed 1444-nm Nd:YAG Interstitial Fiber Laser in the Aging Face and Neck 68
Key points 68
Introduction 68
Interstitial Nd:YAG fiber laser–assisted facial contouring 69
Interstitial Nd:YAG fiber laser–assisted neck contouring 72
Interstitial Nd:YAG fiber laser–assisted face and neck lift—treatment method 75
Summary 79
References 79
Adjunctive Procedures to Neck Rejuvenation 82
Key points 82
Introduction 82
Fibrin sealants 82
Fibrin Sealant Procedure 84
Outcomes of Fibrin Sealant 85
Chin augmentation 85
Expanded Polytetrafluorethylene 85
Porous Polyethylene 85
Polyamide Mesh 85
Silicone Rubber 88
Mersilene Mesh 88
Implant Placement Via Intraoral Approach 88
Implant Placement Via Submental Approach 89
Post Procedure 89
Outcomes of Surgical Approaches 89
Submandibular gland ptosis 89
Hyoid bone position 90
Summary 91
References 92
Techniques for Rejuvenation of the Neck Platysma 94
Key points 94
Introduction 94
Treatment goals and planned outcome 94
Preoperative planning and preparation 95
Patient positioning 96
Procedural approach 96
Neck Lift Procedure 96
Direct Excision (Grecian Urn) 97
Adjuvant techniques for neck rejuvenation 99
Neuromodulators 99
Laser Skin Resurfacing 99
Submental Liposuction 100
Potential complications and management 101
Hematoma 101
Flap Necrosis 101
Nerve Injury 101
Incision Irregularities 101
Earlobe Deformities 102
Postprocedural care 102
Rehabilitation and recovery 102
Outcomes/clinical results in literature 102
Summary 103
References 103
The Extended SMAS Approach to Neck Rejuvenation 104
Key points 104
Introduction 104
Treatment goals and planned outcomes 105
Preoperative planning and preparation 108
Patient positioning 109
Procedural approach 109
Potential complications and management 113
Postprocedural care 115
Rehabilitation and recovery 115
Outcomes 118
Summary 119
Supplementary data 119
Further Readings 119
The Deep-Plane Approach to Neck Rejuvenation 120
Key points 120
Introduction 120
Anatomy 123
Evaluation 124
Patient perspective 125
The deep-plane approach to neck rejuvenation 125
Surgical Procedure 125
Anesthesia 125
Patient Preparation 125
Initial Incisions 125
Midface Dissection 127
Subcutaneous plane dissection 127
Deep-plane dissection 127
First reference point: lateral border of orbicularis muscle 127
Second reference point: masseter muscle 128
Nasolabial folds and oral commissure 128
Dimples 128
Assessment of deep facial structures 128
Neck Dissection 129
Incision 129
Preplatysmal and subplatysmal dissection and assessment 130
Platysma imbrication 131
Completion of neck-contouring process 131
Flap Mobilization, Fixation, and Closure 131
Hemostasis 132
Sutures 132
Postprocedure 132
Aftercare 133
Complications 133
Summary 134
Supplementary data 135
References 135
Vertical Neck Lifting 136
Key points 136
Introduction 136
Approaches to Achieve Aesthetic Ideal 136
Bidirectional Technique 137
Bidirectional and Vertical Technique Compared 137
Skin Redraping 137
SMAS-platysma Complex 140
Ligament Release 141
Midline plication 141
Zygomatic-cutaneous ligaments 142
Mandibular cutaneous ligaments 142
Vertical neck lift technique 142
Indications and ancillary procedures 143
Surgical technique 143
Preoperative Marking 143
Anesthesia 145
Incision and Skin Flap Elevation 145
Deep Plane and Prezygomatic Space Dissection 149
Surgical note 149
Release of the Zygomatic Cutaneous Ligaments 150
Release of the Cervical Retaining Ligaments 150
Deep Plane Flap Suspension 151
Surgical note 151
Mandibular Ligament Release 152
Surgical note 152
Lateral Platymsa Suspension in the Neck 152
Surgical note 153
Surgical note 153
Adjunctive Submental Procedures and Platysmoplasty 154
Discussion 155
References 164
Complications/Sequelae of Neck Rejuvenation 168
Key points 168
Introduction 168
Hematoma 168
Induration 169
Skin contour irregularities 169
Nerve injury 169
Infection 169
Persistent platysmal bands 170
Earlobe distortion/pixie ear deformity 170
Ptotic and/or large submandibular gland 170
Hairline distortion 170
Summary 171
References 171
Index 172

Preoperative Evaluation of the Aging Neck Patient


J. Regan Thomas, MDa and Tatiana K. Dixon, MDb tfeuer1@uic.edu,     aDepartment of Otolaryngology—Head and Neck Surgery, University of Illinois at Chicago, 1855 West Taylor, Suite 2.42, Chicago, IL 60611, USA; bFacial Plastic & Reconstructive Surgery/General Otolaryngology, Department of Otolaryngology—Head and Neck Surgery, University of Illinois at Chicago, 1855 West Taylor, Suite 2.42, Chicago, IL 60611, USA

∗Corresponding author.

The appearance of the neck plays an important role in terms of the patient’s overall facial appearance. Facial rejuvenation procedures incorporate rejuvenation and improvement of the neck’s appearance as a key component. Preoperative evaluation of the aging neck determines the type of rejuvenation procedures that will be required. There are key components of the neck that should be evaluated, assessed, and documented. Subsequently, appropriate treatment modalities may be incorporated into the operative or treatment plan. Key components include evaluation of the mandibular margin, hyoid position, condition of the skin, soft tissue adipose, and the status of the platysmal muscle layer.

Keywords

Cervical angle

Hyoid position

Mentum

Platysma laxity

Jowl laxity

Key points


• Preoperative evaluation of the aging neck patient determines the type of rejuvenation that will be required and the degree of improvement attainable.

• Key anatomic components that should be evaluated are the condition of the skin, amount of soft adipose tissue, mandibular margin, hyoid position, and status of the platysmal muscle layer.

• Chin augmentation in conjunction with other submental plastic procedures can profoundly help improve the overall cervical facial appearance.

• To maximize patient safety and successful wound healing in this elective procedure, it is imperative to consider systemic or complicating medical factors such as whether the patient is a diabetic, on blood thinners, or a smoker.

Introduction


Facial rejuvenation procedures are of increasing interest to the public. The neck and submental regions are of particular concern to the perspective patient in that both aesthetic and anatomic variations as well as aging changes are easily identifiable and not readily camouflaged. Facelift surgery and the multiple surgical variations of that procedure, as well numerous nonsurgical treatments, are frequent objectives of many aesthetic patients. Successful results of these procedures and treatments depend heavily on appropriate preoperative evaluation and thus, appropriate patient selection, surgical planning, and technique utilization.

Growing general acceptance and popularity of these treatments and procedures have been due to enhanced safety and results, which are in turn related to appropriate preoperative evaluation.1,2 It has been suggested that when analyzing the face or neck, it may be easier to describe what detracts from beauty rather than what is beautiful.3 Cervical and neck appearance must display traits associated with youthfulness in order to be typically seen as beautiful. From the time of the early Greeks, proportions and relationships have been described to help analyze the most aesthetic appearance of the face and neck. Back then, a smooth neck was seen by most as aesthetically attractive. Various classifications have been suggested to help identify and categorize neck appearance and potentially assist in developing a treatment plan. These categories or classes usually range from a youthful smooth neck appearance through increments of skin laxity, platysma banding, fat accumulation, chin projection, hyoid bone position, and cervicomental angle.4,5

The appearance overall of the aging neck is a complex combination of several anatomic structures. The appearance of the skin of the neck often provides insight into the patient’s aging process.6 Both structural and functional changes occur in the skin with aging. Key factors include the intrinsic changes related to aging itself and the degree of photoaging from concomitant chronic ultraviolet light exposure. The typical aesthetic observations include dyspigmentation, laxity, wrinkling, telangiectasias, and a leathery appearance.7

Ultimately collagen becomes stiff and is less elastic with the clinical signs of wrinkles and laxity becoming evident in the patient desiring neck rejuvenation. The most successful results in the aging neck patient are typically in patients in whom the aging process has been less severe, who have favorable mandible chin projection, a higher hyoid anatomic position, and are minimally obese. Changes in neck appearance over time are typically the result of multiple factors including UV exposure and damage, genetic predisposition, and tissue aging alterations.8,9 Chronologic age is an unreliable determinant in that these factors impact the patient’s anatomy and appearance over a wide spectrum of time (Figs. 1 and 2). The wise and experienced surgeon also utilizes an insightful physiologic evaluation of the patient. This should incorporate the patient’s expectations and potential for acceptance of realistic results prior to accepting him or her for treatment.


Fig. 1 (A) Typical aging face in the pretreatment state with rhytids and skin laxity, jowl formation, and platysmal banding. (B) Patient’s appearance 1 year following surgical neck correction.

Fig. 2 (A) Lateral appearance of preoperative patient with large submental and mandibular laxity in skin and platysmal musculature. (B) Patient’s appearance 1 year following surgical neck correction.

Surgical candidate selection


Ideal characteristics for surgical improvement in the neck region from an anatomic standpoint more often will be encountered in the healthy female patient. In general, men are often poor candidates because of heavier, thicker hair-bearing skin and soft tissue.

Remnants of normal elasticity within the skin, coupled with a lack of actinic solar and environmental skin damage, enhance the potential results. The obese patient with heavy deposits of adipose fat along the jaw line near the submental cervical area becomes a less favorable candidate as the magnitude of adipose content increases.

A high cervical angle with high positioning of the hyoid and thyroid complex makes a significant contribution to optimum results in the submandibular and neck region. A strong, appropriately projecting mandible and chin configuration increases the likelihood of good neckline appearance results. Surgical chin augmentation and implantation may at times be useful to accomplish that goal. The chin must fit in proportion to the rest of the face on patient evaluation. The patient with poor chin projection appears to have an obtuse, cervical mental angle and a fuller neck appearance. Chin augmentation in those individuals makes the cervical mental angle more acute, the neck better defined, and it creates a better-proportioned face.10 Relative anatomic issues including some submaxillary gland ptosis may impact results and should also be considered preoperatively.

Other general and systemic considerations are an important part of the preoperative evaluation in the aging neck patient. Ideal candidates have no systemic or complicating factors related to their healing ability or safety during elective surgical procedures. Anticoagulant medications including aspirin and nonsteroidal anti-inflammatory drugs (NSAIDs) should be stopped. Smoking or other nicotine use should be discontinued and arbitrarily avoided at least 3 to 6 months prior to surgery (Box 1).11,12

Box 1   The ideal patient for preoperative evaluation

1. A healthy individual without systemic disease

2. Ptotic and loose skin and musculature of the neck to a degree to show impressionable improvement

3. Normal mandibular projection with a high position hyoid–thyroid cartilage complex

4. Superiorly positioned submandibular glands without a ptotic appearance

5. Psychologically stable patient with realistic expectations and goals

The ideal patient is identified by the pretreatment evaluation would include the following:

1. A healthy individual without systemic disease

2. Anatomic changes including redundant or excessive skin or ptotic musculature to a degree that significant improvement will be achieved

3. Normal mandibular projection with a high-positioned hyoid, thyroid cartilage complex

4. Superiorly positioned submandibular glands without a ptotic...

Erscheint lt. Verlag 9.7.2014
Sprache englisch
Themenwelt Medizinische Fachgebiete Chirurgie Ästhetische und Plastische Chirurgie
ISBN-10 0-323-29706-4 / 0323297064
ISBN-13 978-0-323-29706-6 / 9780323297066
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