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https://www.readbyqxmd.com/read/29927821/a-decade-s-experience-a-sound-framework-as-the-foundation-to-nasal-reconstruction
#1
Xiaona Lu, Huan Wang, Jianjun You, Bo Zhang, Yihao Xu, Ruobing Zheng, Le Tian, Fei Fan
The goal of nasal reconstruction surgery is to restore normal nasal shape and function, and its success begins with creating a stable framework. In this article the authors discuss the most advantageous materials for building such a framework and how to design this element to achieve better and more durable outcomes. This is a retrospective study including patients who underwent nasal reconstruction in our rhinoplasty and nasal reconstruction center at a tertiary referral hospital between 2006 and 2016. Data included patient characteristics, defect location, the reason for defect, use of supporting structure, flap, lining, and complications were recorded...
June 20, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29915489/the-use-of-a-combined-local-flap-for-reconstructing-a-complex-nasal-defect
#2
Arvind Krishnamurthy
The main goals of reconstruction of nasal defects are to restore the topographic subunit outline, thereby maintaining the aesthetic three-dimensional facial contours and more importantly ensuring a patent airway. Wide excision of tumours of the external nose can at times result in complex defects causing significant facial disfigurement and this poses a significant reconstructive challenge. Nasal reconstruction with only micro-vascular free flaps can at times produce poor aesthetic outcomes as distant skin often appears as a mismatched patch within the surrounding normal facial skin...
April 2018: Indian Journal of Surgery
https://www.readbyqxmd.com/read/29878990/use-of-roof-shaped-costochondral-cartilage-for-correction-of-saddle-nose-deformity
#3
Fatih Irmak, Sevgi K Yazar, Selami S Sirvan, Memet Yazar, Semra Karsidag
BACKGROUND: Cartilage grafts are routinely used in secondary and post-traumatic rhinoplasty. However, in most cases, there are weak areas in the nasal bones and upper lateral cartilages. The purpose of this study was to seek a solution for keystone area and dorsum of the nose in revision and post-traumatic rhinoplasty cases, and reconstruction of saddle nose deformity including upper lateral cartilage with roof shaped graft. METHODS: A retrospective review of reconstructive rhinoplasties performed for saddle nose deformities was conducted...
March 26, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29800867/skeletal-dimensions-as-predictors-for-the-shape-of-the-nose-in-a-south-african-sample-a-cone-beam-computed-tomography-cbct-study
#4
A F Ridel, F Demeter, J Liebenberg, E N L'Abbé, D Vandermeulen, A C Oettlé
The profile of the nose is an important feature for facial approximations. Although several manual and semi-automated prediction guidelines exist for estimating the shape of the nose, the reliability and applicability of these methods to South Africans groups are unknown. The aim of this study was to predict the displacements of capulometric landmarks from hard-tissue planes to facilitate nasal soft-tissue reconstruction in a South African sample. Cone beam computed tomography (CBCT) scans of 120 adult South Africans were selected from the Oral and Dental Hospital, University of Pretoria, South Africa...
May 12, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29798497/-clinical-application-of-pedicel-frontal-flap-in-reconstruction-of-the-nasal-defects
#5
T Guo, J W Sun, Y F Wang
Objective: The aim of this study is to explorethe application of improving the design of the myocutaneous flap and the transfer mode in nasal facial defect. Method: Six cases with nasal defects were treated by using lateral or median vascular frontal flap which is nourished by supratrochlear and supraorbital arteries. Three patients with basal cell carcinoma of external nose and three patients with cranial base tumor were hospitalized and underwent surgeries. Result: There were 6 cases in this cohort, with the largest defect being 6...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29797951/-suture-under-tension-across-cartilage-in-the-application-of-the-crooked-nose-surgery
#6
J Yuan, T Zheng, T Y Yang, T Li, W C Liu, L Wen, Y Shao
Objective: Observing the effect of maintain tension across suture between cartilages to fix new nasal structure on balance the asymmetric strength of the two sides of the cartilage and the recurrence of the postoperative crooked nose. Method: A L-shaped struct made of the nasal septum cartilage were fixed to maintain tension across structure between cartilage during rhinoplasty in 39 patients with crooked nasal deformity. Of 21 cases were type I deviation, of 12 cases were C-shaped deviation,and of 6 cases were S-shaped deviation...
October 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29788679/delayed-bipedicled-nasolabial-flap-in-facial-reconstruction
#7
Cindy Siaw-Lin Goh, Joshua Guy Perrett, Manzhi Wong, Bien-Keem Tan
BACKGROUND: The nasolabial flap is ideal for reconstruction of the nasal alar subunit due to its proximity, color and contour match, and well-placed donor scar. When raised as a random-pattern flap, there is a risk of vascular compromise to the tip with increased flap length and aggressive flap thinning. Surgical delay can greatly improve the chances of tip survival, allowing the harvest of longer flaps with greater reach. METHODS: We describe our technique of lengthening the nasolabial flap through multiple delay procedures...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29788312/the-composite-spreader-flap
#8
Ozan Bitik, Haldun Onuralp Kamburoglu, Hakan Uzun
Background: The effect of a spreader flap on the keystone area and the upper bony vault depends on the structural strength and cephalic extent of upper lateral cartilages, both of which can be significantly variable among individuals. Objectives: The authors present a novel cephalically extended osseocartilaginous composite spreader flap technique that was designed to overcome the limitations of a conventional spreader flap on the keystone area upper bony vault, in patients with cephalically short and structurally weak upper lateral cartilages and thin nasal bones...
May 19, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29781857/a-combination-flap-for-nasal-defect-reconstruction
#9
Rajshree Jayarajan
BACKGROUND: Nasal reconstruction is a common plastic surgery procedure following cancer resection. Whereas most small and medium defects are managed using standard local flaps, reconstructive options available for large defects of the nose such as a heminasal defect are very few. Most of the large defects are usually managed using a forehead flap, which involves at least 2 stages or using free tissue transfer. The author describes a combination flap that can be used for reconstruction of heminasal defects as well as lateral wall defects...
May 17, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29778279/outcomes-after-surgical-resection-of-lower-eyelid-tumors-and-reconstruction-using-a-nasal-chondromucosal-graft-and-an-upper-eyelid-myocutaneous-flap
#10
S Lemaître, C Lévy-Gabriel, L Desjardins, M González-Candial, S Gardrat, R Dendale, N Cassoux, B Couturaud
INTRODUCTION: Surgical excision of large malignant lower eyelid tumors may cause important full-thickness eyelid defects. The reconstruction of such defects must restore the physiologic function of the eyelid and also re-establish an acceptable aesthetic result. MATERIALS AND METHODS: We report the outcomes of full-thickness excision of tumors extending over half of the horizontal lid length, followed by reconstruction using a nasal chondromucosal graft (coming from the ipsilateral ala of the nose) and an upper eyelid myocutaneous flap...
May 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29774540/conservative-thickness-layers-in-mohs-micrographic-surgery
#11
Stanislav N Tolkachjov, Jonathan A Cappel, Elizabeth A Bryant, Christopher B Harmon
BACKGROUND: Mohs micrographic surgery (MMS) is used to treat cutaneous malignancies in locations to maximize tissue sparing. The authors' aim is to demonstrate the utility of conservative thickness layers (CTL) in MMS and review patient and tumor characteristics and the potential anatomic locations where this technique may be most useful. METHODS: We performed a retrospective chart review of patients with tumors treated with CTL in MMS of 339 tumors, recording patient demographics, tumor characteristics, MMS stages for clearance, repairs, complications, and follow-up...
May 17, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29765271/approach-to-reconstruction-of-nasal-defects
#12
REVIEW
Berkay Başağaoğlu, Kausar Ali, Pierce Hollier, Renata S Maricevich
The nose is the most central and anterior projecting facial feature. Therefore, the presence of a defect is easily noticeable to the untrained eye. Return of the defect to the original form is an achievable end goal of reconstruction, necessitating appropriate reformation of three-dimensional geometry, proper establishment of symmetry, and excellent color and texture match to the adjacent structures. Regarding its physiological importance, disruption of the normal function may cause respiratory obstruction and contribute to patient distress...
May 2018: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29762453/microvascular-replantation-following-facial-dog-bites-in-children-systematic-review-and-management-algorithm
#13
Amanda J Williams, Jeremy M Powers, Jennifer L Rhodes, Andrea L Pozez
BACKGROUND: Pediatric dog bite injuries account for 1% of emergency department visits per year and represent an underrecognized and underreported public health problem. Reconstructive surgery is frequently utilized, and in the most extreme injuries, microvascular replantation may be considered. We sought to systematically review the available literature on microvascular replantation after facial dog bite injuries in children, with particular attention to perioperative morbidity and long-term follow-up...
May 14, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29742139/a-novel-soft-tissue-prediction-methodology-for-orthognathic-surgery-based-on-probabilistic-finite-element-modelling
#14
Paul G M Knoops, Alessandro Borghi, Federica Ruggiero, Giovanni Badiali, Alberto Bianchi, Claudio Marchetti, Naiara Rodriguez-Florez, Richard W F Breakey, Owase Jeelani, David J Dunaway, Silvia Schievano
Repositioning of the maxilla in orthognathic surgery is carried out for functional and aesthetic purposes. Pre-surgical planning tools can predict 3D facial appearance by computing the response of the soft tissue to the changes to the underlying skeleton. The clinical use of commercial prediction software remains controversial, likely due to the deterministic nature of these computational predictions. A novel probabilistic finite element model (FEM) for the prediction of postoperative facial soft tissues is proposed in this paper...
2018: PloS One
https://www.readbyqxmd.com/read/29718983/assessment-of-accuracy-and-recognition-of-three-dimensional-computerized-forensic-craniofacial-reconstruction
#15
Geraldo Elias Miranda, Caroline Wilkinson, Mark Roughley, Thiago Leite Beaini, Rodolfo Francisco Haltenhoff Melani
Facial reconstruction is a technique that aims to reproduce the individual facial characteristics based on interpretation of the skull, with the objective of recognition leading to identification. The aim of this paper was to evaluate the accuracy and recognition level of three-dimensional (3D) computerized forensic craniofacial reconstruction (CCFR) performed in a blind test on open-source software using computed tomography (CT) data from live subjects. Four CCFRs were produced by one of the researchers, who was provided with information concerning the age, sex, and ethnic group of each subject...
2018: PloS One
https://www.readbyqxmd.com/read/29707440/assessment-of-functional-rhinoplasty-with-spreader-grafting-using-acoustic-rhinomanometry-and-validated-outcome-measurements
#16
Marek A Paul, Parisa Kamali, Austin D Chen, Ahmed M S Ibrahim, Winona Wu, Babette E Becherer, Caroline Medin, Samuel J Lin
Background: Rhinoplasty is 1 of the most common aesthetic and reconstructive plastic surgical procedures performed within the United States. Yet, data on functional reconstructive open and closed rhinoplasty procedures with or without spreader graft placement are not definitive as only a few studies have examined both validated measurable objective and subjective outcomes of spreader grafting during rhinoplasty. The aim of this study was to utilize previously validated measures to assess objective, functional outcomes in patients who underwent open and closed rhinoplasty with spreader grafting...
March 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29706591/semilunar-conchal-cartilage-graft-in-saddle-nose-reconstruction
#17
I Rašić, A Košec, A Pegan
INTRODUCTION: The saddle nose deformity is easily recognized by the loss of septal support and nasal dorsal height with adverse functional and aesthetic consequences. TECHNIQUE: We treated a 50-year-old woman and a 54-year old man that presented with a moderate saddle nose deformity following a previous septorhinoplasty (female patient) and a posttraumatic severe saddle nose deformity (male patient). The patients were treated by open approach rhinoplasty under general anesthesia, and the saddle nose deformity was reconstructed with a semilunar conchal cartilage graft...
April 26, 2018: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/29695447/social-conformity-and-propagation-of-information-in-collective-u-turns-of-fish-schools
#18
Valentin Lecheval, Li Jiang, Pierre Tichit, Clément Sire, Charlotte K Hemelrijk, Guy Theraulaz
Moving animal groups such as schools of fishes or flocks of birds often undergo sudden collective changes of their travelling direction as a consequence of stochastic fluctuations in heading of the individuals. However, the mechanisms by which these behavioural fluctuations arise at the individual level and propagate within a group are still unclear. In this study, we combine an experimental and theoretical approach to investigate spontaneous collective U-turns in groups of rummy-nose tetra ( Hemigrammus rhodostomus ) swimming in a ring-shaped tank...
April 25, 2018: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29618867/nasal-reconstruction-with-pre-laminated-forehead-flap
#19
N S Prasanna
Loss of nasal skin as well as loss of both lateral alar cartilages and vestibular lining with exposure of septum presents a grotesque deformity by itself, with further danger of loss of nasal bones and other cartilaginous structures leading to total loss of nose. The Goal of the treatment is to restore the skin cover as well as lining and cartilage support, restoring nose while avoiding the deformity. In an elderly patient with Spiritual restrictions, with diabetes and Hypertension, the treatment was needed to be carried out under local anesthesia as a daycare procedure...
September 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/29618859/a-novel-technique-using-a-subcutaneously-pedicled-islanded-prolabial-flap-for-the-secondary-correction-of-bilateral-cleft-lip-and-nasal-deformity
#20
Nitin J Mokal, Mahinoor Feroze Desai
Context: The bilateral cleft lip and nose deformity frequently requires lip revision surgery at the time of secondary rhinoplasty. The goal is to achieve an adequate philtrum with a well-shaped Cupid's bow, white roll alignment and a central vermilion tubercle. Aims: We have devised a new technique of using prolabial tissue tailored as an island of skin based on a subcutaneous pedicle for the secondary reconstruction of the philtral aesthetic unit in patients with bilateral cleft lip nasal deformity...
September 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
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