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Proper control of postoperative edema in rhinoplasty matters significantly, both regarding patient satisfaction and preventing loss of definition and aesthetic surface contour in the dorsum and tip. The "3 points compartmentalization" technique described in this paper aims to fulfill the above goals by (1) dissection in a subperichondrial-subperiosteal plane and (2) reducing the dead space by three strategically placed key sutures that compartmentalize the nose and redrape the single-plane dissection in an anatomically correct position.Level of Evidence IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Reconstructing a well-defined nasal tip is a big challenge for East Asian patients, especially with nasal tip irregularities or short noses in revision rhinoplasty. This study aims to report our experience with a modified large-cap graft for improving the contour of the nasal tip in revision rhinoplasty.A retrospective review was conducted for 91 patients (81 females, 10 males; mean age, 26.8 ± 6.7 years) who underwent revision rhinoplasty with a modified large-cap graft. The rhinoplasty outcome evaluation (ROE) was used for investigating patient satisfaction. The aesthetic outcomes were assessed by preoperative and postoperative photographs by two blinded plastic surgeons using the Independent Rhinoplasty Outcome Score.Most patients reported satisfactory aesthetic outcomes with overall ROE score increasing from preoperative 11.66 ± 3.98 to postoperative 17.30 ± 5.03 (p lt; 0.001). The doctors' evaluations on the improved contour of the nose rendered an overall score of 3.77 ± 0.42. The complication rate was 3.3% (pleural tear, 1.1%; hypertrophic scar, 2.2%) at the donor site, and 7.7% at the recipient site (warping, 3.3%; extrusion, 1.1%; deviation, 2.2%; infection, 1.1%). No other complications were observed during follow-up.Large-cap graft may be safe and efficient for reconstructing contour of the nasal tip in revision rhinoplasty for East Asian patients.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Dento-maxillofacial deformities are often associated with nasal deviation, and patients often complain of nasal deviation after orthognathic surgery. This study aimed to quantitatively evaluate the facial visual attention given to dento-maxillofacial deformities accompanying nasal deviation from the perspective of patients and determine whether orthognathic surgery could alter this outcome.The scanning paths of 137 patients were recorded using an eye-tracking device; recordings were made while the patients viewed images of dento-maxillofacial deformities associated with various degrees of nasal deviation before or after orthognathic surgery. Visual attention focused on the lower face and nose was analyzed.When viewing postoperative faces, the participants focused more visual attention on noses and less on the lower face than they did on preoperative faces. Interestingly, for preoperative faces, nasal deviation could significantly increase participants' visual attention to the lower face, and visual attention to noses was significantly increased when noses were deviated 12°, while for postoperative faces, a nasal deviation of 4° or more was associated with a significant increase in participants' visual attention to the nose.Patients tended to focus their visual attention on the lower region of preoperative faces and ignored nose irregularities. Orthognathic surgery can alter visual attention, shifting it from the lower face to the nose, and a deviation of 4° or more could be a potential concern for patients. Clinicians must inform patients preoperatively about preexisting nasal deviations, which can guide surgical planning and help manage patient expectations.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

In secondary nasal tip plasty, it is often difficult to harvest appropriate septal extension grafts for sufficient tip projection. Therefore, studies using numerous alloplastic materials in rhinoplasty have been reported. This study aimed to evaluate the nasal tip change over time after tip plasty using a PCL mesh.We conducted a retrospective study of 86 Asian patients who received secondary tip plasty by septal extension grafting with a PCL mesh as a batten graft. Patient demographics and surgical outcomes were examined. The outcome variables were nasolabial angle, nasofrontal angle and Goode ratio. Measurements were performed with photographs obtained at short-term (postoperative 4-6 months) and long-term (more than postoperative 24 months) follow-ups. Aesthetic outcomes and safety were assessed using the Global Aesthetic Improvement Scale.Among 86 patients, 56 had a long-term follow-up. The mean age was 33.33 years, and the male-to-female ratio was 17.44:82.56. The nasolabial and nasofrontal angles did not change significantly between the short-term and long-term follow-ups. The Goode ratio, which is a useful tool to evaluate nasal projection, was decreased by 5.00%. Nevertheless, all patients were satisfied, and the long-term aesthetic outcomes were improved in 54 (96.4%) patients. There were two cases (2.33%) of complications, including one infection and one case of PCL-mesh protrusion.The present study demonstrated the usefulness and safety of PCL meshes when used in septal extension grafts as batten grafts. Although biodegradation seems to affect the nasal projection, PCL is still useful in secondary tip plasty along with other alloplastic materials.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

The application of piezoelectric instruments (PEIs), which made the work with the nasal pyramid a predictable and controlled stage of rhinoplasty, is still more often related to the open approach. The intranasal approach is constantly associated with standard methods of osteotomies, including percutaneous techniques, which represent certain limitations in working with the bony vault without managing the surface and thickness of its walls and the risk of uncontrolled fractures.The authors apply PEIs for osteotomies and reshaping of the nasal pyramid through the closed approach with preservation rhinoplasty and complete subperichondrial and subperiosteal dissection.The technique of working with the nasal pyramid using PEIs with the closed approach is described. The patients were grouped according to the methods of nasal pyramid surgery-Push Down (PD), Let Down (LD) with Rhinosculpture (Rs), or the combinations. The results of the surgeries with the application of PEIs on 134 patients were retrospectively analyzed before the surgery and 12 months after it according to the "Rhinoplasty Outcome Evaluation" (ROE).The average age of the patients was 28, 125 were female and 9 were male. The patients' satisfaction was excellent in 96% of all the cases included. There were two cases with residual humps and four cases with residual asymmetries in cases of severe deviations.Via intranasal approach, it is possible to use PEIs for managing the bony vault in primary rhinoplasty. The limitations for this technique are underdevelopment of the nasal dorsum, cleft lip nose situations, post-traumatic and previous rhinoplasty cases.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Rhinoplasty is a challenging procedure, and the ultimate goal is not only to restore the function and youthful appearance, but also to improve the quality of life (QoL). Little is known about the QoL after preservation rhinoplasty (PR). The aim of this study was to assess patient satisfaction after PR by using a validated questionnaire.Patients undergoing primary PR were included in this prospective cohort single-centre (private) study. Overall, 58 patients (41 female and 17 male patients, mean age 32 ± 9.7 years) were operated on between 2017 and 2021. Patient assessment regarding their outcome was evaluated before surgery and at final follow-up using a validated questionnaire (Rhinoplasty Outcomes Evaluation Questionnaire = ROE). Subgroup analyses were performed between the ROE questions and radiological analysis by using the cone-beam computed tomography (CT) before surgery and at final follow-up.After a mean follow-up of 19.7 ± 7.9 months (range = 1-50 months), a high overall patient satisfaction was observed (37.9 ± 9.2 vs. 81.25 ± 14.17, plt; 0.0001). Subgroup analysis showed the highest improvement in nose appearance, breathing, and self-confidence after surgery. The improvement of subjective breathing (1.471 ± 0.90 vs. 3.1 ± 0.88; plt;0.0001) goes in line with an overall improved internal nasal valve (INV) angle (19.88° ± 3.3° vs. 22.04° ± 4.1°, p = 0.0231).Our study showed a high patient satisfaction after PR as evaluated by the ROE, which goes in line with aesthetics and function.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Spreader grafts and spreader flaps are one of the most common techniques utilized in rhinoplasty surgeries. The aim of this study was to determine the complications, satisfaction, and revision rates associated with spreader grafts and spreader flaps and to compare these two modalities.PRISMA guidelines were followed for conducting this systematic review. The authors searched the literature systematically for pertinent materials in PubMed/Medline and Google Scholar. Inclusion criteria of this search included: randomized and non-randomized clinical trials, cohorts, and case series with more than 5 participants on rhinoplasty using spreader grafts or spreader flaps with detailed report either on complications, revision, and satisfaction rates. Furthermore, exclusion criteria included: any cadaveric or non-human study, case reports, technical notes, and review articles.The initial literature search yielded a total of 193 studies. Following screening each paper and implementing the inclusion and exclusion criteria, 40 articles were chosen. In the spreader graft group, from 21 studies reporting complications, 6 of them reported no complication. The most common complications were nasal obstruction, inverted V deformity and open roof deformity, deviation, and infection. In the spreader flap group, from 6 studies reporting any existing complications, 1 reported no complications. Five other studies reported some degree of complications. In terms of revision rate, 10 patients (0.62%) underwent revision surgery after spreader graft placement, while only 2 patients (0.35%) revised surgically in the spreader flap group.These two methods seem to have no significant difference in terms of complication rates, and both are recommended as a choice in middle vault reconstruction when each of their clinical use is indicated.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

Although the different techniques and instruments described for lateral osteotomies date back decades, the literature on deciding the position of lateral osteotomies between the sides is limited. In general, the position of lateral osteotomies is decided by frontal view and palpation, but this is not always easy, especially in minimally deviated noses.The SELF algorithm, which includes 4 developmentally related parameters, was used to decide the position and number of lateral osteotomies. Parameters of the SELF algorithm are septal position in nasal floor, external alar length, lateral pyramidal length and frontal pyramidal deviation's starting side. After considering and evaluating these parameters, either double lateral or high lateral osteotomy was performed on the side where the bony wall was considered to be longer.Out of 521 patients whose lateral osteotomy level was decided by applying the SELF algorithm, 493 were female, and 28 were male. The ages of the patients ranged from 18 to 59 years. Based on the SELF algorithm, 401 double lateral and 85 high lateral osteotomies were performed on the side with the longest anterior-posterior distance of the bony pyramid. No serious complications, either functionally or aesthetically, were encountered related to lateral osteotomies performed based on the SELF algorithm.There is a relationship between the position of the septum at the nasal floor, external alar length, lateral pyramidal projection and frontal deviation, as the tissues in the nose are shaped in relation to each other during development. The SELF algorithm based on these parameters can provide assistance to the surgeon in terms of selecting the position and number of lateral osteotomies, especially in minimally deviated noses.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Functional rhinoplasty (FRP) is used to improve nasal ventilation by correcting problems with the nasal valves. It has not been systematically reviewed on a large scale.A comprehensive literature search was conducted in the PubMed, EMBASE, and Cochrane Library databases to identify studies evaluating nasal obstruction before and after functional rhinoplasty in patients with nasal valve problems.A total of 57 cohorts from 43 studies involving 2024 patients were included in the current meta-analysis. The Nasal Obstruction Symptom Evaluation (NOSE) scores indicated significant improvement in nasal obstruction at the 1-month follow-up (WMD = 38.12; 95% CI, 29.15-47.10; IFRP may have a positive effect on nasal obstruction caused by nasal valve problems. Broader and well-designed studies are needed to shed more light on the relationships in this area.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

BACKGROUND This study aimed to evaluate the impact of isotretinoin therapy on the nasal skin thickness and elasticity with regard to implications for rhinoplasty METHODS: A total of 40 acne vulgaris patients (mean±SD age: 20.9 ± 3.0 years, 65.0% were females) initiating oral isotretinoin treatment (0.25 mg/kg/day, n = 16 or 0.5 mg/kg/day, n = 24) were included in this prospective 4-month isotretinoin follow-up study. Ultrasonography assessments regarding nasal skin thickness (dermis and soft tissue) and elastography were repeated at second and fourth months of treatment. RESULTS No significant difference was noted between isotretinoin dose groups in terms of second month and fourth month nasal skin thickness (dermis and soft tissue) values measured at any region. Each dose revealed significant decrease in dermis and soft tissue thickness from baseline at any region (p ranged

Background: Tip plasty is the most important step of rhinoplasty. To achieve symmetrical cartilages with ideal tip rotation, projection and supratip break many techniques were defined. Besides suture techniques, tip grafts still maintain their importance and widely used among surgeons. However, graft visibility and distortion are the main drawbacks of this technique. In this study double-layered lateral crural perichondrial flap technique was introduced to prevent graft visibility and distortion as a novel technique. Methods: A total of 16 patients who underwent rhinoplasty with this novel technique were enrolled in this retrospective study. Patient satisfaction was assessed with Rhinoplasty Outcome Evaluation Questionnaire (ROE-Q). Graft visibility and asymmetry of tip defining point as an indicator of graft distortion were evaluated by two independent Plastic, Reconstructive and Aesthetic surgeons. Pre and postoperative photographs were taken and used for evaluation. A three-point Likert scale was used for assessment. Cohen's Kappa statistic and percent agreement test were used to test inter-rater reliability RESULTS: The mean follow-up time was 15 months (ranging between 12 and 19 months). According to the ROE-Q score, the mean total preoperative score was 6,25 and the mean total postoperative score was 18,06 (p

Preservation rhinoplasty philosophy with its “down techniques” is currently undergoing a renaissance. Its goal is to spare and preserve noble nasal structures such as ligaments, nerves and vessels, reducing to a minimum local tissue manipulation and avoiding the drawbacks and pitfalls associated with classic dorsal reconstruction techniques often resulting in irregularities which often lead to an increased rhinoplasty revision rate. In this article, we reviewed 107 consecutive cases in which a variety of preservation techniques were used. Indications, surgical techniques and complications are also described. All reported procedures showed low complication rates with good cosmetic and functional outcomes. Tailoring the surgical technique is essential in rhinoplasty. Authors have developed and present an anatomy-based diagram to help surgeons in choosing the right approach for dorsal surgery. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to Table of Contents or the online Instructions to Authors www.springer.com/00266 .

The septal extension graft is one of the most commonly used grafts in Asian tip plasty techniques. However, the septal extension graft usually induces a hard and immobile nasal tip. The purpose of this study was to evaluate the esthetic outcomes of the modified septal extension graft with M-shaped auricular cartilage by three-dimensional anthropometric analysis. A total of 36 patients received augmentation rhinoplasty with M-shaped auricular cartilage as septal extension graft combined with silicone implant. Thirteen measurement items were evaluated using three-dimensional anthropometric techniques, and the preoperative and postoperative results were compared. The majority of patients (91.7%) were satisfied with the postoperative nasal shape. No infection, gross absorption, graft exposure, implant exposure, or implant migration was observed. Compared with the preoperative value, the nasal length, nasal height, nasal depth, nasion height, columella width, nasolabial angle, nasofrontal angle, and nasal depth-nasal width index significantly increased. The nasal width, nasal tip width, and nasal index significantly decreased. We performed tip plasty with the M-shaped auricular cartilage as modified septal extension graft, achieving a soft and mobile tip with satisfying tip projection in most patients. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Derotation of the nasal tip with narrow nasolabial angle is a common nasal deformity that leads to a long nose appearance, named drooping nose. In these patients, there are various techniques described to fix droopy tip and to achieve a desirable nasal tip rotation such as caudal septal extension graft, extended columellar strut graft, tongue in groove, columellar strut graft, and tip rotation sutures. This study aimed to evaluate changes in nasal tip support after modified tongue-in-groove technique (auto-septal projection graft). Forty-two patients who underwent a primary open approach septorhinoplasty using the modified tongue-in-groove technique between June 2017 and March 2019 were retrospectively analyzed. Postoperative and preoperative photographs were analyzed, and nasolabial angle and the nasal tip projection ratio were recorded and compared before and average of 17.3 months after the surgery. Forty-two patients (33 female and 9 male) were included the study. The mean nasolabial angle was 85.7° preoperatively and 99.3° postoperatively. The nasal tip projection ratio was 0.60 preoperatively and 0.64 postoperatively. Both the tip rotation and the tip projection increased significantly after the modified tongue in groove (p

The scroll area of the nose is important for breathing; thereby, its reconstruction can improve the nasal patency. To evaluate the effect of scroll reconstruction on breathing in patients following open rhinoplasty. Using the prospective controlled study design, we enrolled a cohort of patients undergoing open rhinoplasty. The patients were randomly divided into two groups (each group with n = 14). The predictor variable was scroll reconstruction (yes/no). The main outcome variables include pre- and postoperative third-month peak nasal inspiratory flowmeter (PNIF) value (ml/min) and 10-Item Standardized Cosmesis and Health Nasal Outcomes Survey (SCHNOS). Appropriate statistics were computed, and a P < 0.05 was considered significant. There was no demographic difference between both groups. Scroll reconstruction was associated with significantly improved PNIF post-surgery (P = 0.047). However, postoperative mean SCHNOS-O and SCHNOS-C was not different between the study and control groups (P = 0.58) This study suggests that scroll reconstruction helps improve nasal patency during forced inspiration in open rhinoplasty patients and provides a similar aesthetic outcome compared to the non-scroll-reconstructed group. Future research works should be done in a larger patient cohort. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

The crooked nose is still a challenging deformity for rhinoplasty surgeons although a significant number of correction methods have previously been described. The aim of this study is to present a new technique that the authors have used to correct the crooked nose in selected patients. This retrospective study was carried out on 53 patients who underwent open technique rhinoplasty due to crooked nose. Pictures were taken from five different angles using digital cameras and recorded pre- and postoperatively. Patients who have a minimum follow-up period of 12 months are included in the study. Fifty-three patients who have I-shaped and C-shaped crooked nose were enrolled in this study. The mean ages were 27.4 years. The mean follow-up period of the patients was 19.1 months. Patients who have I-shaped and C-shaped crooked nose deviation angle values were calculated preoperatively as 7.1 ± 2.1 and 163.4 ± 3.6, respectively. Postoperatively, deviation angle values were 0.75 ± 0.83 and 177.9 ± 3.1. Postoperative deviation angles were significantly lower than preoperative angles on patients who have I-shaped crooked noses (p

Rhinoplasty is one of the most common aesthetic surgeries, and dorsal hump reduction surgery is the most commonly applied type of surgery in Western countries. Every patient should be considered challenging based on the negative outcomes of this surgical procedure. Thus, aesthetic and plastic surgeons attempt to provide the safest and best resulting rhinoplasty techniques. While performing dorsal preservation techniques in patients who had hump deformity but did not have septal deviation, deviation occurs due to surgery. In the present research, the author defines new suturing techniques for overcoming deviation associated with dorsal preservation surgeries. Data from patients who underwent dorsal preservation rhinoplasty for the nasal hump were evaluated. Patients who had nasal hump deformities without nasal deviation deformities were included. Following these inclusion and exclusion criteria, the records of 43 patients were assessed. All patients included in the study completed the Rhinoplasty Outcome Evaluation questionnaire before surgery and at their one-year follow-up appointment. New suturing approaches such as “8” shaped and loop sutures were assessed. The median Rhinoplasty Outcome Evaluation score before surgery was 60.6. The median score after one year of surgery was 90.8. The Rhinoplasty Outcome Evaluation score significantly increased after surgery (p

Background There are increasing reports of the effects of SARS-CoV-2 on olfactory function, with a significant number of patients reporting anosmia as a symptom. However, our knowledge and understanding of the virus’s complete impact on the nose remains poor. This report describes a unique patient case to demonstrate how COVID-19 may be associated with rhinoplasty complications such as septal perforation. Case Report This is a case report of a previously healthy patient who underwent septorhinoplasty in 2018. She had frequent follow-up including intranasal examinations without evidence of the septal perforation for the 2 years following her operation. In March 2020, the patient was noted to have symptoms suggestive of COVID-19, but testing was not recommended by the pediatrician. Soon after her symptoms resolved, she experienced a sudden onset of whistling and physical examination revealed a perforation in the septum which rapidly enlarged over the ensuing weeks. She tested positive for the COVID-19 antibody. After confirming that she no longer had an active infection via antigen testing, she underwent repair of her septal perforation without complications. Conclusion This case report illustrates a septorhinoplasty complication that may be associated with COVID-19. Further study into this virus’s impact on vascularity and wound healing, specifically in the nose, is recommended. Level of Evidence V This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

For East Asians, rhinoplasty procedures are predominantly focused on reconstructing a well-defined nasal tip. In this study, the authors present a new graft design for the columellar strut that is similar to the shape of a comma mark. As one integrated piece, the graft undertakes the roles of providing solid support for the tip, modifying different angles, as well as relationships between the tip and columella. One hundred and sixty-five female patients, ranging in age from 18 to 42 years (average 27.1 years), received augmentation rhinoplasty surgery over the past 4 years with an average postoperative follow-up of 12 months. Among these patients, 78 of them were primary cases and others were secondary or more. The cartilaginous framework was reconstructed based on comma strut with other grafts including spreaders and dorsal onlay grafts. Patients’ own evaluations on the overall improvements of the nose rendered high satisfaction rate. During the long-term follow-up, 8 cases presented asymmetrical nostrils with slightly deviated columella; minor revision surgeries were performed. Another 3 cases presented dorsal graft warping and were also corrected. No other major complications were encountered. The comma strut provides a reliable support for the nasal tip; its dual curved structure plays the instrumental role in defining the lobular-columellar angle as well as modifying the supratip break. This graft design offers good control of tip and columella; as a result, consistent, reproducible results can be achieved. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Dorsal hump reduction is one of the most frequently performed rhinoplasty operations among white populations. The best method for preserving a natural nasal dorsum and avoiding revision surgery is to perform the push-down technique. The concept of the push-down technique is not new and has been improved over time. In the present study, the author introduces a new approach for the push-down technique in which there is no need for osteotomy. According to the inclusion and exclusion criteria, sixty-two patients were included in the present study. All patients who were included in the study were assessed with the Rhinoplasty Outcome Evaluation (ROE) questionnaire at their 1-year follow-up appointment. In the present technique, the superior dorsal cartilage was pushed down to the reverse side of the septal deviation, and the nasal dorsum was rasped with a micromotor rasping machine instead of undergoing osteotomy. The initial median ROE score was 68.5 points, and the postoperative median score was 90.5 points. A final score greater than 85 was considered excellent and an indication of high patient satisfaction. Among the sixty-two patients, 56 had a score greater than 85 points (90.32%) (p = 0.001). There were no complications, and there was no need for revision surgery. This push-down technique can be considered an easy and suitable approach for selected patient populations. Additionally, the recovery time is shortened with the push-down technique without osteotomy. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

There is a relative lack of evidence on optimal products and techniques for nose treatment with hyaluronic acid (HA) fillers. This study assessed the efficacy and safety of nasal reshaping with Vycross HA fillers, using a free software (Face Master) to measure facial parameters. This was a prospective, open-label, single-center study of consecutive adult patients treated in the nose (bony and cartilaginous dorsum and/or columella) with VYC-20 or VYC-17.5. A maximum of 1 mL of filler was used. All patients (except one) had at least 12 months of follow-up. Sixty-two patients were enrolled (57 females; 5 males) with a mean age of 29.0 ± 9.2 years. A mean of 0.55 ± 0.22 mL of filler (range 0.2–1.0 mL) was injected during initial treatment; 12 patients required touch-up with 0.15 ± 0.08 mL of filler (range 0.1–0.3 mL). Using Face Master, mean nasofrontal angle increased from 143.6 ± 6.3° pre-treatment to 147.3 ± 6.7° post-treatment (mean change 3.7 ± 2.8°), and mean nasolabial angle increased from 85.3 ± 6.1° to 88.5 ± 6.1° (mean change 3.2 ± 2.6°). Mean patient satisfaction (0–10 scale) increased from 2.4 ± 1.7 pre-treatment to 9.4 ± 0.8 post-treatment (mean improvement 7.1 ± 2.1). Complications were minor and transient: pain, n = 3 (4.8%); edema, n = 3 (4.8%); hematoma, n = 2 (3.2%). Non-surgical nasal reshaping with VYC-20 or VYC-17.5 appeared to be efficacious and safe; Face Master objectively demonstrated meaningful changes in key nasal angles. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

Several surgical techniques used for rhinoplasty can change the upper lip form over the long term. By eliminating the membranous septum and causing dysfunction of the depressor septi nasi muscle and performing other maneuvers, the tongue-in-groove (TIG) technique can exaggerate changes in the upper lip shape, length, and slope.This study was conducted to compare the effects of the TIG technique with and without a septal extension graft (SEG) on lip slope and aesthetic angles on the profile view. A retrospective review was performed on 367 patients who underwent primary rhinoplasty using the TIG technique from 2016 to 2020. The upper lip angle (ULA), the nasolabial angle (NLA), and the columellar facial angle (CFA) were measured for comparison pre-and post-operatively.Of 367 patients, 209 underwent TIG, while the rest underwent TIG over SEG (TIG+SEG). Comparison of pre-and post-operative ULAs showed significant changes in both groups. Although mean ULAs increased in both groups, some of the patients in each group experienced a decrease in ULA. The percentage of the patients with increased post-operative ULA significantly grow with increase in the pre-operative NLA (plt; 0.05). However, no significant correlation was found between pre-operative CFA and post-operative ULA.The present study suggests that TIG with and without SEG can change the lip slope on the profile view, possibly due to the shift of the subnasal point superiorly and posteriorly.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Background The midvalve area is one of the most important anatomical points in rhinoplasty procedures. An additional intervention may be required to ensure there is no narrowing in this region. For this reason, several different techniques are used. Spreader graft technique is the most common of all these methods. T-splay graft technique is an alternative method that can effectively widen the angle of the midvalve. The present study compares the anatomical and functional outcomes of these two methods. Methods The study included 60 cases who presented to our clinic for rhinoplasty. The cases were evaluated demographically, anatomically, and functionally, and the acquired data were recorded. All cases were preoperatively administered the Visual Analogue Scale, the Nasal Obstruction Symptom Evaluation scale, and the modified Glatzel mirror test. By randomly selecting the cases, midvalve restoration was performed with a spreader graft in 30 cases and a T-splay graft in 30 cases. Results A comparison of the Visual Analogue Scale, the Nasal Obstruction Symptom Evaluation scale, and the modified Glatzel mirror test scores revealed that the scores of both groups at postoperative months 3 and 6 were significantly different from the preoperative measurement values. Conclusions Although spreader graft technique is a very effective method in midvalve management, we believe that T-splay graft technique may also produce effective outcomes. In addition, the midvalve functions could be better simulated anatomically and functionally with T-splay graft technique. Therefore, we believe that T-splay graft technique is an alternative method that can be safely used in selected cases. Level of Evidence III This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

The aim of this study was to systematically evaluate the evidence of surgical outcomes and complications of spreader grafts and autospreader flaps in the context of middle vault reconstruction after dorsal hump removal.A systematic review was conducted in accordance with the Cochrane Handbook for Systematic Reviews of Interventions. Inclusion and exclusion criteria were based on the population, intervention, comparison, and outcome (PICO) framework. Medline (via PubMed), EMBASE, Cinahl, Scopus, and Web of Science were searched for Clinical and observational studies published in peer-reviewed academic journals with abstracts available that reported rhinoplasty employing either spreader graft or autospreader flap techniques and were published prior to March, 2021.Fifty-two of 1129 relevant studies were included in the qualitative analysis. Thirty-four studies (65.4%) were related to spreader graft (SG), 10 (21.1%) studies of autospreader flap (AF) alone and 8 (13.5%) studies involving both grafts. Meta-analysis was performed on 17 studies reporting change in NOSE scores, with pooled effect of - 23.9 (95% CI, - 26.7 to - 21.1) points. High heterogeneity with Isup2/sup= 99%. Summary data showed no differences between groups, AF group versus no graft (p = 0.7578), AF versus SF group (p = 0.9948), and SG group versus no graft (p = 0.6608).Based on available data, change in NOSE scores after rhinoplasty was similar in procedures that used spreader graft only or autospreader flap only.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

There have been many studies in the literature describing the techniques, the associated comorbidities and the outcomes related to septoplasty and septorhinoplasty, while there have been few studies evaluating the effects of cigarette smoking on septorhinoplasty. The present study evaluates the effect of cigarette smoking on complication and revision rates and compares the functional results of smoking and non-smoking patients.The data of 598 patients were retrospectively analyzed, and the age, gender, cigarette smoking status, type of operation, NOSE scores, complications and revision rates were recorded. For the purpose of the study, three different patient groups were defined, being those who had never smoked, those who smoked in the past but had quit and active cigarette smokers. The preoperative and postoperative 6th month Nasal Obstruction Symptom Evaluation (NOSE) Questionnaire scores were compared, and the three groups were compared in terms of complications and the need for revision.No differences were identified in the complication rates or revision requirements of the three groups with different cigarette smoking statuses (p=0.17 and p=0.74, respectively). The NOSE scores of the surgery groups and cigarette smoking categories improved significantly after the operation (p=0.01). No difference was identified in the NOSE scores of the groups with different cigarette smoking statuses (pgt;0.05).Active cigarette smoking has no effect on the functional results and rates of complication/revision after septoplasty or septorhinoplasty operation. That said, surgeons should suggest that patients quit smoking preoperatively in order to minimize the general systematic effects of cigarette smoking.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

The internal nasal valve is one of the highly important anatomical points in rhinoplasty procedures. As a key anatomical area, the anatomical and functional integrity of this region must be preserved or reconstructed during rhinoplasty procedures. Several techniques have been defined in the literature for midvault restoration, among which, the most common are spreader grafts and flaps. Both techniques achieve a natural and harmonic contour but may fail to provide the splay effect to the upper lateral cartilages in some cases. A new technique known as the “T-splay graft”, to be used as an alternative approach in cases where there is a risk of midvault collapse, and in which the splay effect in the upper lateral cartilage is preferred to be augmented, is explained in the present study. In the present study, a septal tunnel is opened of sufficient size for the cartilage graft planned for placement, at the planned level of the septum, to expand the midvault region and create a splay effect. A bilateral pocket is created in the inferior mucosa of the upper lateral cartilages. The harvested cartilage graft is passed through the septum in the horizontal plane. The cartilage graft is inserted into the bilateral pockets so as way to create convexity to the dorsum. As a result of the applied method, it was established that the internal nasal valve angle could be expanded to the desired extent and the dorsal aesthetic lines could be achieved in a normal anatomical structure. This technique enables the lateral direction of the tension between the graft and the upper lateral cartilages, and the creation of a splay effect. As such, we believe that this method is a highly effective alternative for use in appropriate cases. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Correction of crooked nose with long-term functional and aesthetic success remains a great challenge for rhinoplasty surgeons. The aim of this study was to present the aesthetic and functional results of the cross-spreader graft technique applied for the correction of I-shaped crooked nose. A retrospective examination was made of 25 patients applied with open technique rhinoplasty using cross-spreader graft for the correction of I-shaped crooked nose between March 2016 and June 2019. The functional results of the patients were evaluated using the Nasal Obstruction Symptoms Evaluation scale. The Rhinoplasty Outcomes Evaluation was used to evaluate the subjective aesthetic results, and the external nose deviation angle was measured from the frontal aspect to evaluate the objective aesthetic results. Evaluation was made of 25 patients comprising 11 males and 14 females with a mean age of 26.64±7.08 years. The post-operative mean NOSE and ROE scores were significantly improved compared to the preoperative values (p

BACKGROUND The angulation of nasal bones and superior border of septal cartilage forms a slight convex profile at rhinion area. Taking this angulation into account, we bring forth a modification of dorsal onlay graft. METHODS Sixty-one consecutive patients underwent primary rhinoplasty between the years of 2017 and 2020 were enrolled in the study. The angle between nasal bones and superior border of septal cartilage, angle of external dorsal contour, thickness of soft tissue at sellion and rhinion were measured on reformed computed tomographic scanning image. Three variants of dorsal onlay graft modification were designed. RESULTS Sixty-one patients underwent primary nasal augmentation were enrolled in this study. Mean follow-up was 13.1 months. The angle between nasal bones and the superior border of the septal cartilage was 166.7° by mean. Mean angle of external dorsal contour was 180.2°. Thickness of soft tissue at sellion was 4.01 and 2.03 mm at rhinion by mean. All cases showed content dorsal profiles. Two patients (3.3%) presented discernible nostril asymmetry due to the deviation of the columellar grafts and underwent secondary surgery with satisfying outcomes. CONCLUSIONS Modification of the dorsal onlay graft reserves nasal midvault to the most extent especially in small-humped nose and fits the dorsal contour properly. LEVEL OF EVIDENCE IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

It is a complete objective and subjective comparative study between two techniques of septorhinoplasty in patients undergoing primary rhinoplasty for crooked nose deformity. Forty patients having crooked nose deformity were randomly divided into 2 groups exhibiting two different techniques of correction. Patients were randomly divided into 2 group: Group 1: 20 patients underwent correction of crooked nose by performing bilateral triple osteotomies + Septoplasty Group 2: 20 patients underwent correction of crooked nose by performing bilateral triple osteotomies as well as placement of spreader grafts + Septoplasty Objective and subjective assessment of patients in preoperative and postoperative period was done by various scales and scores. Both the groups showed improvement in facial angles, ROE score, nasal airflow, and NOSE score. But, group 2 patients were more satisfied than group 1 patients in terms of both aesthetic appearance of nose and breathing function. It is very well known to the authors that aesthetic result of rhinoplasty is not just dependant on one technique. Keeping this in mind, we conclude that as group 2 patients were more satisfied with their overall results, the additional step of spreader graft placement helped these patients with the complaints associated with crooked nose deformity. However, we also emphasize that additional studies on larger numbers of patients should be performed to compare and know other intricacies of each technique that may play minor or major roles in deciding the success of each technique. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

To assess preliminarily the effect of concentrated growth factor (CGF) for repair of nasal septal mucosal defect after rhinoplasty. Ten women with mucosal defects of the nasal septum were enrolled from May 2017 to May 2018. Liquid and gel CGF was prepared from each patient’s blood sample using a Medifuge system, including benchtop centrifuge. After debridement of the defect, the prepared liquid CGF was injected around the wound, and a membranous CGF film was applied to the surface. Vaseline gauze was used to pack the nostrils. All patients were treated with CGF at intervals from 3 to 5 days. After 3 to 12 treatments, all the patients achieved successful repair of the nasal septal mucosal defect, with good appearance and function. During a follow-up of 3 to 6 months, no recurrence was observed. CGF appeared to have great curative effect for patients with nasal septal mucosal defects after rhinoplasty. The procedure was easy to perform and should be considered worthwhile in clinical practice. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

Cosmetic rhinoplasty has been linked to iatrogenic breathing disturbances using clinical tools. However, few studies have evaluated outcomes using validated, patient-centered instruments. We aim to determine the incidence and severity of nasal obstruction following cosmetic rhinoplasty as measured by patient-centered, disease-specific instruments. This is a retrospective review of adult patients who underwent cosmetic rhinoplasty at Stanford Hospital between January 2017 and January 2019. General demographic as well as Nasal Obstruction and Symptom Evaluation (NOSE) and the Standardized Cosmesis and Health Nasal Outcomes Survey (SCHNOS) questionnaire data were included. Scores were tracked across postoperative visits and compared to the preoperative state. Patients were subdivided into dorsal hump takedown, correction of the nasal tip, and both. Of the 68 included patients, 56 were women, and the mean age was 30.6 years. Although mean SCHNOS and NOSE scores increased at the first postoperative interval, mean scores decreased on each subsequent visit. There were no significant increases in SCHNOS or NOSE scores for either dorsal hump takedown, tip correction, or both. There were only two patients who recorded NOSE scores higher than baseline at most recent postoperative visit. Our results indicate reductive rhinoplasty is not associated with a greater risk of breathing obstruction when performed with modern airway preservation techniques. The initial increases in obstructive symptoms we observed on the first postoperative visit likely represent perioperative swelling given the improvement on follow-up visits. Both the NOSE and SCHNOS are patient-centered questionnaires capable of evaluating nasal obstruction following cosmetic rhinoplasty. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

The tripod theory explains the dynamics of the nasal tip, where surgery is difficult because of anatomic variations and pathologies and the various surgical possibilities. Abnormalities or weaknesses of the lateral crura can result in concavity in ala or alar collapse and cause aesthetic and functional impairments of the nose. Several tip plasty techniques and lateral crura modifications are used in rhinoplasty. To describe the vertical alar folding (VAF) technique for making modifications in the lateral crura (LC) and rotation of the tip. Included in the study were 83 patients (59 women, 24 men) undergoing rhinoplasty using VAF with the senior author as surgeon between 2013 and 2018. The mean age was 26.3 years (range 18–47). Mean postoperative follow-up period was 26.7 months (range 12–64). Patients who completed the 1-year postoperative period completed the rhinoplasty outcome evaluation (ROE) questionnaire. Outcome measures were performed at examinations, and preoperative and postoperative photographs of the patients were analyzed. In the span of 5 years, no revision surgery was required for technique-specific reasons. In patients who had a droopy or asymmetric tip or long and concave lateral crura, we saw remarkable functional and aesthetic improvements with VAF. According to the ROE questionnaire, 90.3% (75 out of 83) of the patients were content with the aesthetic and functional results. VAF is a useful and effective method for modifying the LC and tip of the nose. VAF allowed for controlling the rotation and projection of the tip, changing the length of the lateral crus and nose with durability and smooth, symmetric contours, and correcting concavity of a lateral crus for better functioning and aesthetics. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

There are no studies about the treatment of nasal bone fractures in patients with dorsal augmentations using silicone implants. We aimed to describe the characteristics of nasal bone fracture in patients who underwent rhinoplasty and compare the difference between closed reduction and conservative treatment of nasal bone fractures in patients with a history of rhinoplasty. Between January 2013 and June 2018, a total of 463 patients were admitted to our center for nasal bone fracture; 17 patients with nasal bone fractures who underwent rhinoplasty were included, of which, five underwent closed reduction in the nasal bone and 12 underwent conservative treatment. Three of 12 patients who were initially treated conservatively underwent a secondary rhinoplasty for esthetic improvements. All patients were classified according to fracture site and the presence of a nasal septal fracture—in accordance with the modified Murray classification—and were analyzed for the correlation between fracture type and disease course. The nasal bone fracture types per computed tomography findings were unilateral (n = 13), bilateral (n = 4), septal (n = 1), and M-type (n = 1). No significant differences in fracture site (P > 0.05) and the presence of a nasal septal fracture (P > 0.05) were found between the groups. Fracture type did not significantly differ among patients who underwent closed reduction, conservative treatment without secondary rhinoplasty, and secondary rhinoplasty (P > 0.05). Despite risking traumatic capsular rupture, implant removal is seldom required and closed reduction is recommended if visible deviations are present; otherwise, only conservative treatment is recommended. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

The outcome of rhinoplasty was evaluated in patients undergoing tongue-in-groove technique (TIG) with and without septal extension grafts (SEG) placement for stabilization of nasal tip rotation.Three hundred and sixty-seven patients who underwent rhinoplasty using TIG from 2016 to 2020 were included in this study. SEG was used if the caudal segment of the septum was not suitable for TIG. All patients were photographed pre- and postoperatively. Columellar Facial angle (CFA) and Nasolabial angle (NLA) were measured preoperatively at three intervals including up to six months after the operation (early or T1), up to one year after T1 (midterm or T2), and up to two years after T2 (late or T3).Two hundred and nine patients (56.94%) underwent TIG and the rest of them (43.06%) received SEG plus TIG (SEG+TIG). The TIG group had a mean CFA of 95.9±7.56 degrees preoperatively, 106.5±6.77 degrees at T1, 105.4±6.48 degrees at T2, and 104.8 ±7.52 at T3. The SEG+TIG had a mean CFA of 98.9±7.65 degrees preoperatively, 108.8±6.58 degrees at T1, 107.7±6.86 degrees at T2, and 106.2 ±15.6 at T3. Comparison of T1, T2, and T3 showed that the CFA changes were less than 1%, indicating a nonsignificant difference. The same results were obtained for NLA as well.Adding of SEG to TIG may be an effective technique to create and maintain a stable rotation comparing to TIG independently.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

As computer simulation for rhinoplasty continues to rise, the technology's utility extends beyond increasing patient conversion. Virtual simulation of the surgical result can assist with surgical planning and intraoperative decision-making. 3D printed anatomic models or surgical guides based on 3D images may help align surgeons with their original surgical plan. This study aims to evaluate the utility of 3D printed surgical guides as an intraoperative tool to help establish dorsal height and tip position.Patients undergoing rhinoplasty had preoperative virtual 3D surgical simulations performed. Simulations were used to create a 3D printed nasal kits containing ceramic models of the preoperative nose and simulated nose, sagittal contour guide, and customized postoperative nasal splint. Nasal guides were sterilized for continual intraoperative assessment of profile contour (i.e., dorsal height and tip position). Postoperative 3D images (1-3 months post-op) were then compared to preoperative simulations. The difference between z coordinates and y coordinates determined the difference in projection and rotation, respectively.Fifteen patients met inclusion criteria for this study. With the use of 3D printed surgical guides, the final tip position was on average of 0.8±0.7mm from simulated projection and 0.3±0.2mm from simulated rotation. Similarly, projection for the cartilaginous and bony dorsum was within 1.0±0.8 and 0.8±0.7mm of the simulation, respectively.Virtual simulation is useful in defining aesthetic goals preoperatively, but the potential clinical value extends beyond this. 3D printed rhinoplasty guides extend the simulation's utility to decision-making intraoperatively. This technology offers a novel medium for anatomic reference, which may improve adherence to desired aesthetic goals.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine Ratings, please refer to Table of Contents or online Instructions to Authors www.springer.com/00266 .

Reduction rhinoplasties, regardless of the methods used (structural or preservation), can cause a reduction in the internal nasal volume, which may lead to breathing problems. In 1977, Webster proposed preserving a little triangle in the beginning of the lower lateral osteotomy line to prevent breathing problem. However, its importance is still controversial.and methods: This prospective randomized controlled study (level of evidence 1) included 46 patients without nasal breathing problem. High-to-low (Webster's triangle preservation) osteotomy (control group, n = 23) and low-to-low osteotomy (study group, n = 23) were performed. All operations were performed according to the proposed volumetric rhinoplasty steps (examination/measurement, prevention and treatment). Nasal obstruction symptom evaluation (NOSE) test, visual analog scale, acoustic rhinometry, rhinomanometry, peak nasal inspiratory flow (PNIF), and three-dimensional measurements were performed in all patients. Breathing tests were repeated before and 6 months after surgery with and without xylometazoline administration.No statistically significant difference in NOSE and visual analog scale scores was found between the two groups. Acoustic rhinometry, PNIF, and rhinomanometry findings showed no statistically significant breathing difference between the two groups.In reduction rhinoplasties, a decrease in the internal volume may be expected as directly proportional with the reduction amount. The decrease in the internal volume may create nasal breathing problems. To prevent it, nasal airflow should be adjusted according to new anatomy. In this study, we discussed "volumetric rhinoplasty" steps to prevent breathing problems in reduction rhinoplasty. Following these steps, not preserving Webster's triangle (low-to-low osteotomy) has no effect on the nasal airway.This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to Table of Contents or the online Instructions to Authors www.springer.com/00266 .