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https://www.readbyqxmd.com/read/28728324/the-chicken-thigh-adductor-profundus-free-muscle-flap-a-novel-validated-non-living-microsurgery-simulation-training-model
#1
Georgios Pafitanis, Yasmine Serrar, Maria Raveendran, Ali Ghanem, Simon Myers
BACKGROUND: Simulation training is becoming an increasingly important component of skills acquisition in surgical specialties, including Plastic Surgery. Non-living simulation models have an established place in Plastic Surgical microsurgery training, and support the principles of replacement, reduction and refinement of animal use. A more sophisticated version of the basic chicken thigh microsurgery model has been developed to include dissection of a type 1-muscle flap and is described and validated here...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28728320/temple-and-postauricular-dissection-in-face-and-neck-lift-surgery
#2
Joo Heon Lee, Tae Suk Oh, Sung Wan Park, Jae Hoon Kim, Tanvaa Tansatit
Periauricular paresthesia may afflict patients for a significant amount of time after facelift surgery. When performing face and neck lift surgery, temple and posterior auricular flap dissection is undertaken directly over the auriculotemporal, great auricular, and lesser occipital nerve territory, leading to potential damage to the nerve. The auriculotemporal nerve remains under the thin outer superficial fascia just below the subfollicular level in the prehelical area. To prevent damage to the auriculotemporal nerve and to protect the temporal hair follicle, the dissection plane should be kept just above the thin fascia covering the auriculotemporal nerve...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28720989/trapezius-perforator-flap-for-reconstruction-of-a-posterior-cervical-defect
#3
Ricardo Nascimento, Joana Costa, Ricardo Horta, Álvaro Silva
The use of free flaps is considered the "gold standard" for reconstruction of head and neck defects. Locoregional flaps allows a better aesthetic result compared to free flaps, whenever there's an external skin defect. However the use of free flaps is not always adequate in the presence of preoperative comorbidities or previous surgeries. Since the description of the trapezius myocutaneous flap in the 1980's, many authors have published the results of the applicability of this flap in head and neck salvage reconstructive surgery...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28720406/mri-anatomical-preoperative-evaluation-of-distally-based-peroneus-brevis-muscle-flap-in-reconstructive-surgery-of-the-lower-limb
#4
Federico Barbera, Fulvio Lorenzetti, Ricccardo Marsili, Matteo Ragoni, Andrea Lisa, Virna Zampa, Marcello Pantaloni
BACKGROUND: The distally based peroneus brevis muscle flap has proved to be a simple solution for small- to moderate-sized wounds of the lower limb. The length of the muscle belly suitable for coverage is a crucial parameter. In this study, we evaluated the capability of 3D MRI of the lower limb to measure it preoperatively. METHODS: Between 2008 and 2017, 32 patients with lower limb defects underwent preoperative MRI to measure the peroneus brevis muscle length...
June 27, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28719734/tissue-engineering-of-a-composite-trachea-construct-using-autologous-rabbit-chondrocytes
#5
James E Dennis, Kristina G Bernardi, Thomas J Kean, Nelson E Liou, Tanya K Meyer
The repair of large tracheal segmental defects remains an unsolved problem. The goal of this study is to apply tissue engineering principles for the fabrication of large segmental trachea replacements. Engineered tracheal replacements composed of autologous cells ("neotracheas") were tested in a New Zealand White rabbit model. Neotracheas were formed in the rabbit neck by wrapping a silicone tube with consecutive layers of skin epithelium, platysma muscle and an engineered cartilage sheet, and allowing the construct to mature for 8-12 weeks...
July 18, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28718319/medical-modeling-for-precision-ulna-reconstruction-using-a-microvascular-fibula-free-flap
#6
Michael Alperovich, Jonathan M Bekisz, Vishal D Thanik
BACKGROUND: Despite the growing use of medical modeling in other surgical specialties, its utilization in extremity reconstruction has remained limited. METHODS: We present the application of medical modeling for ulna reconstruction using a microvascular fibula free flap. RESULTS: Following a motor vehicle accident, the patient suffered segmental loss of the right radius and ulna with concomitant forearm soft tissue and muscle loss. Using medical modeling, imaging from the unaffected contralateral forearm and lower extremity was used to plan a reconstruction that restored the anatomic length and orientation of the ulna...
January 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28716695/the-nugget-design-a-modified-segmental-gracilis-free-flap-for-small-sized-defect-reconstruction-on-the-lower-extremity
#7
M Tremp, C M Oranges, W J Wang, R Wettstein, Y X Zhang, D J Schaefer, D F Kalbermatten
BACKGROUND: Little attention has been given to the segmental free gracilis muscle flap supplied by secondary proximal pedicles. We introduce a technical refinement for small-sized three-dimensional defect reconstruction on the foot. METHODS: Between November 2013 and August 2016, three patients with a mean age of 66 years (range 47-70 years) were included. A segmental gracilis free flap supplied by the most proximal secondary pedicle was harvested according to a modified "nugget design" to treat small-sized defects on the lower extremity requiring dead space reconstruction...
July 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28713703/comparative-perfusion-analysis-of-free-muscle-sparing-versus-pedicle-transverse-rectus-abdominis-myocutaneous-tram-flaps-in-vivo-in-the-peri-operative-and-late-post-operative-periods
#8
Richard McNally, Jonathan Rimler, Vincent Laurence, Keyianoosh Z Paydar, Garrett A Wirth
BACKGROUND: Current teaching suggests increased perfusion in free transverse rectus abdominis myocutaneous (TRAM) flaps over pedicled TRAM flaps, broadening indications for its use in high risk patients. This study compared perfusion analysis of free muscle-sparing versus pedicle TRAM flaps in vivo in the peri-operative and late post-operative periods. METHODS: The SPY-Elite system using indocyanine green dye was used to analyze flap perfusion intra-operatively and at 1 week and 3 months post-operatively...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28712882/perfusion-of-muscle-flaps-independent-of-the-anatomical-vascular-pedicle-pedicle-autonomy
#9
K Bradshaw, M Wagels
INTRODUCTION: Free muscle flaps are being used more commonly for complex lower limb reconstruction. Up to 33% of flaps used to reconstruct lower limb trauma will require an orthopaedic procedure after reconstruction. To date there have been only case reports detailing the variable survival of muscle flaps after actual or simulated pedicle injury and the process and timeframe of neovascularisation remains undefined. We aim to show that perfusion of a muscle flap is possible after injury to its anatomical vascular pedicle...
June 7, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28708641/secondary-palatal-elongation-improvement-in-speech-quality
#10
Muzaffer Çelik
Cleft palate is one of the challenging problems in the field of craniofacial surgery. In particular, the conventional methods of bilateral and severe cleft palate repairs have failed to achieve normal speech. In most instances, secondary procedures such as pharyngoplasty and pharyngeal flap surgery are performed to improve speech.This study introduces secondary palatal elongation (SPE) as a new approach to cleft palate repair. The patients included usually had a short palate and unrepaired palatal muscles. The authors' procedure involved dissecting the previously repaired palatal mucosa and pushing back and cutting the nasal mucosa of the palate horizontally and further pushing it back...
July 13, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28703885/use-of-a-72-cm-long-extended-bilateral-deep-inferior-epigastric-artery-perforator-free-flap-for-reconstruction-of-a-lower-leg-with-no-suitable-recipient-vessel-around-the-injury-zone-a-case-report
#11
Hidehiko Yoshimatsu, Takumi Yamamoto, Akitatsu Hayashi, Takuya Iida
In free-flap reconstruction of the lower extremity, due either to trauma or pre-existing vascular disease, healthy vessels may not be readily available in the proximity of the defect. A variety of options including a cross-leg free flap, vein grafts, arteriovenous loops, and "bridging" flaps have been used to address the issue. The purpose of this report is to present a case in which a 72-cm long extended bilateral deep inferior epigastric artery perforator (DIEP) free flap was used for coverage of a 20 × 25 cm soft tissue defect of the lower leg following a Gustilo grade IIIC fracture in a 29-year-old man...
July 13, 2017: Microsurgery
https://www.readbyqxmd.com/read/28697892/bronchopleural-fistula-after-pneumonectomy-risk-factors-and-management-focusing-on-open-window-thoracostomy
#12
Antonio Mazzella, Alessandro Pardolesi, Patrick Maisonneuve, Francesco Petrella, Domenico Galetta, Roberto Gasparri, Lorenzo Spaggiari
OBJECTIVE: To evaluate principal risk factors and different therapeutic approaches for postpneumonectomy bronchopleural fistula (BPF), focusing on open window thoracostomy (OWT). METHODS: We retrospectively reviewed all patients treated by pneumonectomy for lung cancer between 1999 and 2014. We evaluated preoperative, operative, and postoperative data; interval between operation and fistula formation; and size, treatment, and predicting factors of BPF. Cumulative incidence curves for the development of BPF were drawn according to the Kaplan-Meier method...
June 12, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28696999/the-expanding-role-of-scapular-free-flaps
#13
Alice L Tang, Shethal Bearelly, Kyle Mannion
PURPOSE OF REVIEW: The review evaluates the expanding role of scapular free flaps and its application in various complex head and neck defects. RECENT FINDINGS: The recent literature published focuses on the use of three-dimensional modeling for maxillectomy defects, expanded uses in both the megaflap, the various application of the scapular tip flap, and the feasibility of osseointegrated implants. SUMMARY: The subscapular system of flaps remains a versatile option in head and neck reconstruction...
July 10, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28690224/-autologous-tissue-reconstruction-of-tarsal-plate-combined-with-temporal-flap-in-repairing-full-thickness-lower-eyelid-defect
#14
Ming Li, Shaoqian Liu, Nian Chen, Feijiao Duan, Hongju Xie
To evaluate the clinical effect of combination of autologous tissue reconstruction of tarsal plate with temporal flap on repair of full-thickness lower eyelid defect. 
 Methods: Eleven patients (11 eyes) underwent hard palate mucosa or ear cartilage combined the emporal flap with the orbicularis oculi muscle to repair full-thickness defect of palpebra inferior. Of the 11 patients, 6 had more than 75% eyelid defect area, and 5 had more than 50% eyelid defect area. 
 Results: All 11 eyes closed completely, with no entropion or ectropion, and returned to normal basically...
June 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28682546/-application-of-muscle-pedicled-platysma-myocutaneous-flap-in-the-reconstruction-of-buccal-mucosa-defects
#15
Huang Long, Jian Xinchun, Chen Xinqun, Su Tong, Jiang Canhua
OBJECTIVE: This study aimed to explore the main features and advantages of the muscle pedicled platysma myocutaneous flap (PMF), the degree of improvement of flap harvest. To evaluate the application value of the flap in the reconstruction of buccal mucosa carcinoma defects. METHODS: Twenty-three patients received PMF with MacFee incision to reconstruct buccal mucosa defects that were caused by the resection of precancer lesions and benign and malignant tumors from August 2012 to April 2015...
April 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28680495/the-temporalis-muscle-flap-for-palate-reconstruction-case-series-and-review-of-the-literature
#16
Tara Brennan, Tristan M Tham, Peter Costantino
Introduction  The temporalis myofascial (TM) is an important reconstructive flap in palate reconstruction. Past studies have shown the temporalis myofascial flap to be safe as well as effective. Free flap reconstruction of palate defects is also a popular method used by contemporary surgeons. We aim to reaffirm the temporalis myofascial flap as a viable alternative to free flaps for palate reconstruction. Objective  We report our results using the temporalis flap for palate reconstruction in one of the largest case series reported...
July 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28679665/limitations-of-rotational-manoeuvrability-in-insects-and-hummingbirds-evaluating-the-effects-of-neuro-biomechanical-delays-and-muscle-mechanical-power
#17
Pan Liu, Bo Cheng
Flying animals ranging in size from fruit flies to hummingbirds are nimble fliers with remarkable rotational manoeuvrability. The degrees of manoeuvrability among these animals, however, are noticeably diverse and do not simply follow scaling rules of flight dynamics or muscle power capacity. As all manoeuvres emerge from the complex interactions of neural, physiological and biomechanical processes of an animal's flight control system, these processes give rise to multiple limiting factors that dictate the maximal manoeuvrability attainable by an animal...
July 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28678067/reconstruction-of-parotidectomy-and-lateral-skull-base-defects
#18
Caitlin Bertelsen, Changxing Liu, Niels Kokot
PURPOSE OF REVIEW: The purpose of this review is to summarize the options for reconstruction of parotid and lateral skull base defects based on the size and functional requirements of the defect. RECENT FINDINGS: Free grafts with dermal fat or acellular human dermis, superficial musculoaponeurotic system flaps, and sternocleidomastoid flaps have been successful in preventing Frey's syndrome and restoring facial contour defects after superficial and total parotidectomy...
July 3, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28676167/reconstruction-of-mohs-defects-of-the-lips-and-chin
#19
REVIEW
Yuna C Larrabee, Jeffrey S Moyer
Reconstruction of defects of the lips after Mohs micrographic surgery should encompass functional and aesthetic concerns. The lower lip and chin compose two-thirds of the lower portion of the face. The focus of this article is local tissue transfer for primarily cutaneous defects after Mohs surgery. Various flaps exist for repair. For small defects, elliptical excision with primary closure is a viable option. During reconstruction of the lip, all of the involved layers need to be addressed, including mucosa, muscle, and the vermillion or cutaneous lip...
August 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28673764/how-to-assess-sensory-recovery-after-breast-reconstruction-surgery
#20
Helena K Puonti, Taina A Broth, Seppo O Soinila, Helena K Hallikainen, Satu K Jääskeläinen
BACKGROUND: We evaluated clinical against psychophysical (tactile and thermal quantitative sensory test [QST]), neurophysiologic (somatosensory evoked potential [SEP]), and epithelial nerve fiber density (ENFD) examinations in detection and follow-up of sensory alterations after breast reconstruction done with or without nerve anastomoses. PATIENTS AND METHODS: In a prospective 2-year follow-up design, 56 breast cancer patients underwent innervated and 20 patients noninnervated free rectus abdominis muscle-sparing flap (ms-TRAM) breast reconstruction...
April 29, 2017: Clinical Breast Cancer
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