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Nasal reconstruction

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https://www.readbyqxmd.com/read/29242989/prosthetic-supply-of-facial-defects-long-term-experience-and-retrospective-analysis-on-99-patients
#1
Giorgos Papaspyrou, Cansel Yildiz, Victoria Bozzato, Christopher Bohr, Mathias Schneider, Dietmar Hecker, Bernhard Schick, Basel Al Kadah
INTRODUCTION: Defects in the head region may be caused by tumour treatments, injuries, as well as congenital malformations. The restoration of these defects that can be performed through reconstructive plastic surgery and/or prosthetic surgery occupies a high priority in the physical and psychological rehabilitation of the patient. The present study reports on long-term experience in supply of facial prosthesis. MATERIALS AND METHODS: The medical records of 99 patients, who had been supplied with custom-made facial prostheses between 2001 and 2011, were evaluated retrospectively...
December 14, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29236765/chondrocytes-and-stem-cells-in-3d-bioprinted-structures-create-human-cartilage-in-vivo
#2
Peter Apelgren, Matteo Amoroso, Anders Lindahl, Camilla Brantsing, Nicole Rotter, Paul Gatenholm, Lars Kölby
Cartilage repair and replacement is a major challenge in plastic reconstructive surgery. The development of a process capable of creating a patient-specific cartilage framework would be a major breakthrough. Here, we described methods for creating human cartilage in vivo and quantitatively assessing the proliferative capacity and cartilage-formation ability in mono- and co-cultures of human chondrocytes and human mesenchymal stem cells in a three-dimensional (3D)-bioprinted hydrogel scaffold. The 3D-bioprinted constructs (5 × 5 × 1...
2017: PloS One
https://www.readbyqxmd.com/read/29232049/shark-island-pedicle-flap-for-reconstruction-of-the-lateral-nasal-ala-and-perialar-defects
#3
Andreas Volz, Vera Frauenknecht, Peter Häusermann
No abstract text is available yet for this article.
December 12, 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29220373/can-nerve-regeneration-on-an-artificial-nerve-conduit-be-enhanced-by-ethanol-induced-cervical-sympathetic-ganglion-block
#4
Yoshiki Shionoya, Katsuhisa Sunada, Keiji Shigeno, Akira Nakada, Michitaka Honda, Tatsuo Nakamura
This study aimed to determine whether nerve regeneration by means of an artificial nerve conduit is promoted by ethanol-induced cervical sympathetic ganglion block (CSGB) in a canine model. This study involved two experiments-in part I, the authors examined the effect of CSGB by ethanol injection on long-term blood flow to the orofacial region; part II involved evaluation of the effect of CSGB by ethanol injection on inferior alveolar nerve (IAN) repair using polyglycolic acid-collagen tubes. In part I, seven Beagles were administered left CSGB by injection of 99...
2017: PloS One
https://www.readbyqxmd.com/read/29218287/use-of-forehead-flap-for-nasal-tip-reconstruction-after-traumatic-nasal-amputation
#5
Mohamad Ahmadi Moghadam, Shokofeh Ahmadi Moghadam
Nose is one of the most important aesthetic unit of the face.Management of nasal trauma plays a significant role in the practices of the majority of facial and reconstructive surgeons. Replantation, although technically very challenging, is undoubtedly the procedure of choice following traumatic nasal amputation. Here we present an illustrative case report of the traumatic amputation of a nasal tip that was treated successfully with a paramedian forehead flap and further nasal reconstructive surgery. Use of the forehead flap was performed five hours after the occurrence of trauma and was followed by surgical repair about three weeks later...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29218281/palate-mucoperosteum-an-usefull-adjunct-in-buccal-mucosa-reconstruction
#6
K N Manjunath, Veena P Waiker
Background: Palate is a complex structure separating oro- and nasopharynx. However, reconstruction of the defects of palate is much simpler because of the versatile mucoperiosteal flaps. Here, we present our experience of palatal mucoperiosteal flap used in different situations. Methods: Fifteen patients of palatal as well as buccal mucosa defects were reconstructed using either free or pedicled mucoperiosteum. Results: All patients recovered well...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29209868/laser-surface-modification-of-decellularized-extracellular-cartilage-matrix-for-cartilage-tissue-engineering
#7
Eva Goldberg-Bockhorn, Silke Schwarz, Rachana Subedi, Alexander Elsässer, Ricarda Riepl, Paul Walther, Ludwig Körber, Roman Breiter, Karl Stock, Nicole Rotter
The implantation of autologous cartilage as the gold standard operative procedure for the reconstruction of cartilage defects in the head and neck region unfortunately implicates a variety of negative effects at the donor site. Tissue-engineered cartilage appears to be a promising alternative. However, due to the complex requirements, the optimal material is yet to be determined. As demonstrated previously, decellularized porcine cartilage (DECM) might be a good option to engineer vital cartilage. As the dense structure of DECM limits cellular infiltration, we investigated surface modifications of the scaffolds by carbon dioxide (CO2) and Er:YAG laser application to facilitate the migration of chondrocytes inside the scaffold...
December 6, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29197075/the-batman-flap-a-novel-technique-to-repair-a-large-central-glabellar-defect
#8
Mario Puviani, Marco Curci
BACKGROUND: Given the critical position of central glabella among the frontal, nasal, and supraorbital aesthetic subunits of the face, the reconstruction of large defects in this area represents a surgical challenge. METHODS: We describe a surgical technique based on a modified, curved, A-T flap to repair a large glabellar defect. RESULTS: Our modification is useful for large glabellar defects because it enables the distribution of the tension all over the reconstruction sides, avoiding a stressed central area and the subsequent risk of necrosis; functionally, it respects the eyebrows position and since the advancement is parallel to their major axes, it avoids the reduction of the distance between them...
December 2, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/29195252/aesthetic-nasal-reconstruction-principles-and-practice
#9
Joseph J Rousso
No abstract text is available yet for this article.
December 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/29194721/initial-experiences-with-nam-assisted-primary-repair-of-the-bclp-deformity
#10
Sabarinath Prasad, Sreeja Ravindran, Vasanth Radhakrishnan, P V Hazarey, Amit Vanka, Bhavya Rajan
BACKGROUND: Primary surgical repair of the bilateral cleft lip and palate (BCLP) deformity is challenging. Infant Orthopedic (IO) procedures are often used to assist surgical reconstruction of normal anatomy. Nasoalveolar molding (NAM) is a presurgical infant orthopedic procedure that attempts to reduce the cleft nasal deformity, in addition to the lip and alveolus, leading to an esthetic primary surgical repair. OBJECTIVE: NAM provides the surgical team with a better foundation for an easier and more esthetic single stage repair at the level of nose in addition to the lip and alveolus...
December 1, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/29194256/repair-of-the-nasal-floor-by-the-cleft-margin-flap-in-bilateral-complete-cleft-lip
#11
Jumpei Tsumoto, Keisuke Imai, Cheng Chun Wu
Bilateral complete cleft lip deformity has been the most challenging to plastic surgeons, and lots of methods of repair have been described in the literature. The basic principles are to achieve continuity of the orbicularis oris muscle, a balanced Cupid's bow with nasal ala, and a complete reconstruction of the nasal floor. The last one is, however, easily neglected. A well-reconstructed nasal floor serves as a good support of the nasal cartilage, which minimizes secondary deformity. In addition, a nasal floor with sufficient soft tissue and minimal contracture makes bone grafting easier in the future...
November 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29175036/evaluation-of-postoperative-patient-satisfaction-after-covering-the-nasal-dorsum-with-upper-lateral-cartilage-upper-lateral-closing
#12
Can Alper Çağıcı
INTRODUCTION: Following nasal hump removal during septorhinoplasty, the middle vault should be reconstructed to avoid functional and esthetic problems. Middle vault reconstruction, however, may result in widening of the middle vault and may need a camouflage graft to cover dorsal irregularities. OBJECTIVE: To present the results of reconstructing the middle vault with a technique that covers the nasal dorsum with upper lateral cartilage, from the viewpoint of patient satisfaction...
November 16, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29174553/primary-aesthetic-correction-of-nasal-anomaly-with-costal-graft-in-treating-orbital-hypertelorism
#13
Dong Li, Haoli Mao, Zheyuan Yu, Liang Xu, Jie Yuan, Min Wei
Orbital hypertelorism is a common congenital craniofacial anomaly in Asians. As Tessier pointed out, the correction of hypertelorism is effectively the correction of the nasal deformity, which is characterized by a broad, flat nose accompanying an increased interorbital distance and a lack of nasal projection. OBJECTIVES: To measure the changes in the orbital and nasal parameters after Tessier box osteotomy and primary aesthetic rhinoplasty, performed concurrently with otogenous costochondral graft...
October 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29174552/simultaneous-reconstruction-of-columella-and-philtrum-using-prolabial-flap-combined-with-abbe-flap-in-secondary-bilateral-cleft-lip-and-nasal-deformity
#14
Jinguang He, Hua Xu, Tao Wang, Yi Zhang, Jiasheng Dong, Jiao Wei, Chuanchang Dai
Open rhinoplasty and Abbe flap techniques are traditionally useful tools for the reconstruction of secondary bilateral cleft lip nasal (BCLN) deformity. We aimed to investigate the long-term outcomes of simultaneous columella and philtrum reconstruction using prolabial flap combined with Abbe flap in secondary BCLN deformity. From January 2009 to July 2014, 26 patients (17 males and 9 females; mean age 21 years) with secondary BCLN deformity were recruited. All patients had severe short columella and philtrum deficiency...
October 22, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29172251/on-computational-fluid-dynamics-models-for-sinonasal-drug-transport-relevance-of-nozzle-subtraction-and-nasal-vestibular-dilation
#15
S Basu, D O Frank-Ito, J S Kimbell
Generating anatomically realistic three-dimensional (3D) models of the human sinonasal cavity for numerical investigations of sprayed drug transport presents a host of methodological ambiguities. For example, subject-specific radiographic images used for 3D reconstructions typically exclude spray bottles. Subtracting a bottle contour from the 3D airspace and dilating the anterior nasal vestibule for nozzle placement augment the complexity of model-building. So, we explored the question: how essential are these steps to adequately simulate nasal airflow and identify the optimal delivery conditions for intranasal sprays? In particular, we focused on particle deposition patterns in the maxillary sinus, a critical target site for chronic rhinosinusitis (CRS)...
November 24, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/29149246/asian-cleft-rhinoplasty-the-open-structural-approach
#16
Chin-Ho Wong, Rollin K Daniel, Seng-Teik Lee
Background: Asian cleft rhinoplasty is a unique procedure with specific challenges. Objectives: This paper presents our experience with the use of an open structural technique for Asian cleft rhinoplasty utilizing a complete autologous approach. Methods: An open approach that reconstructs the malpositioned nasal cartilage was utilized. Centrally, the septocolumella graft fixed securely in the midline with extender spreader grafts was utilized to project and lengthen the nose...
November 15, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29146179/soft-palate-reconstruction-after-radionecrosis-combined-anterolateral-thigh-adipofascial-and-nasoseptal-flaps
#17
Joseph Zenga, Jeffrey D Sharon, Jennifer Gross, Jay Gantz, Patrik Pipkorn
Although radiation-based treatment for nasopharyngeal cancer may achieve excellent long term oncologic results, late effects of therapy may lead to soft tissue radionecrosis and velopharyngeal insufficiency (VPI). Repair of these oro- and nasopharyngeal defects presents a complex reconstructive challenge. We present a case of a long-term survivor treated with chemoradiotherapy for nasopharyngeal cancer who developed progressive dysphagia, velopharyngeal insufficiency, and radionecrosis of the nasopharynx and soft palate, leading to tracheostomy and gastrostomy tube dependence...
November 13, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29140386/retrospective-study-of-survival-of-extraoral-endosseous-craniofacial-implants-in-head-and-neck-surgery-patients
#18
Brent J Woods, Arun Chandu
PURPOSE: To determine the survival rate of implants placed in different craniofacial locations and factors affecting survival. MATERIALS AND METHODS: This study retrospectively reviewed a consecutive series of patients treated at the Royal Melbourne Hospital who received craniofacial implants for an array of benign and malignant conditions. Implant survival per site and cumulative survival were determined. Surgical and implant variables were assessed using the Kaplan-Meier and Cox Proportional Hazards Models...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140385/virtual-treatment-planning-for-implant-retained-nasal-prosthesis-a-clinical-report
#19
Muaiyed Mahmoud Buzayan, Norsiah Binti Yunus, Ha Kien Oon, Omar Tawfiq
Osseointegrated craniofacial implants have improved retention and patients' perceptions of implant-retained nasal prostheses; however, the determination of the available bone sites for implant placement post-rhinectomy is difficult. This case report describes the use of cone beam computed tomography scanning and computer-assisted virtual planning in conjunction with digital photographs for rehabilitation of a facial defect with an implant-retained silicon nasal prosthesis. Two implants were planned in the anatomical area with adequate bone volume to achieve favorable cosmetic outcomes and accessibility for hygiene maintenance...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29131280/the-sphenopalatine-foramen-in-man-anatomical-radiological-and-endoscopic-study
#20
Ehab Abdel Aziz El-Shaarawy, Sherif S Hassan
BACKGROUND: Epistaxis is a frequent problem otorhinolaryngologists faces of in their practice. The variations of the sphenopalatine foramen and consequently the artery may be one of the major sources of such bleeding. AIM OF THE WORK: The present work aimed at to localize the site of sphenopalatine foramen and also to illustrate its different shapes, number and any other variation. MATERIALS AND METHODS: In the current study, twenty adult skulls of both sexes with total 40 half skulls were used in addition to 20 heads of adult living subjects of both sexes aged between 30-60 years examined with multislice helical CT with 3-D reconstruction of SPF...
November 13, 2017: Folia Morphologica (Warsz)
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