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Vascularized flap

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https://www.readbyqxmd.com/read/28224430/edaravone-enhances-the-viability-of-ischemia-reperfusion-flaps
#1
Dong-Yi Zhang, Shen-Song Kang, Zheng-Wen Zhang, Rui Wu
The purpose of the experiment was to study the efficacy of edaravone in enhancing flap viability after ischemia/reperfusion (IR) and its mechanism. Forty-eight adult male SD rats were randomly divided into 3 groups: control group (n=16), IR group (n=16), and edaravone-treated IR group (n=16). An island flap at left lower abdomen (6.0 cm×3.0 cm in size), fed by the superficial epigastric artery and vein, was created in each rat of all the three groups. The arterial blood flow of flaps in IR group and edaravone-treated IR group was blocked for 10 h, and then the blood perfusion was restored...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28216817/turned-in-fasciocutaneous-island-flap-from-face-and-neck-based-on-subdermal-microcirculation-for-reconstruction-of-the-oral-cavity-following-cancer-surgery
#2
Kalpesh Jayantkumar Gajiwala
BACKGROUND: The skin and soft tissues of the face and neck have a rich plexus of dermal-subdermal vessels, which creates the possibility of raising a fasciocutaneous flap based on this vascular supply. A turned in fasciocutaneous island flap (TIFCIF) from an adjacent area of the defect can provide a simple substitute to many complex reconstructive procedures. MATERIALS AND METHODS: Fifteen patients underwent wide excision for oral cancer and upper neck dissection, maintaining bone framework, between August 2010 and June 2014...
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28214053/standardization-of-oncoplastic-breast-conserving-surgery
#3
REVIEW
W P Weber, S D Soysal, I Fulco, M Barandun, D Babst, D Kalbermatten, D J Schaefer, D Oertli, E A Kappos, M Haug
The emphasis on esthetic outcomes and quality of life after breast cancer surgery has motivated surgeons to develop oncoplastic breast conserving surgery (OPS). Training programs are still rare in most countries, and there is little standardization, which challenges the scientific evaluation of the techniques. The present article attempts to standardize OPS nomenclature, indications, and reconstruction choice selection embedded in a thorough review of the literature. We propose four breast conserving surgery (BCS) categories: Conventional tumorectomy, oncoplastic mastopexy, oncoplastic tumorectomy and oncoplastic reduction mammoplasty...
January 31, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28211004/point-of-care-ultrasound-and-doppler-ultrasound-evaluation-of-vascular-injuries-in-penetrating-and-blunt-trauma
#4
REVIEW
Miguel Angel Montorfano, Fernando Pla, Leonardo Vera, Omar Cardillo, Stefano Geniere Nigra, Lisandro Miguel Montorfano
BACKGROUND: The aim of this study is to describe point-of-care ultrasound and Color flow Duplex Doppler characteristics of penetrating and blunt trauma-related vascular injuries of the limbs and neck. METHODS: Penetrating and blunt trauma-related vascular injuries such as vein disruption, intimal flap, deep vein thrombosis, arterial dissection, pseudoaneurysm, and arteriovenous fistulae are discussed in this manuscript. Images of the most significant lesions of our personal clinical experience are presented to illustrate point-of-care ultrasound and Color flow Duplex Doppler ultrasound findings...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28210412/reconstruction-of-a-combined-maxillectomy-and-segmental-mandibulectomy-defect-in-a-seven-year-old-with-a-single-free-fibula-osteocutaneous-flap
#5
Shawn T Joseph, Krishnakumar Thankappan, Subramania Iyer
Combined upper alveolectomy and segmental mandibulectomy are complex defects. Reconstruction of these defects is usually suboptimal. We describe the case of a pediatric patient with vessel-depleted neck with recurrent vascular malformation involving the ramus and coronoid process of mandible and a previous history of maxillectomy and a reconstruction with anterolateral thigh flap. The patient underwent wide resection. The defects involving the upper alveolus and mandible were simultaneously reconstructed with a single free fibula flap...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28206933/use-of-antibiotic-impregnated-absorbable-beads-and-tissue-coverage-of-complex-wounds
#6
Terris L White, Alfred T Culliford, Martin Zomaya, Gary Freed, Christopher P Demas
The treatment of complex wounds is commonplace for plastic surgeons. Standard management is debridement of infected and devitalized tissue and systemic antibiotic therapy. In cases where vital structures are exposed within the wound, coverage is obtained with the use of vascularized tissue using both muscle and fasciocutaneous flaps. The use of nondissolving polymethylmethacrylate and absorbable antibiotic-impregnated beads has been shown to deliver high concentrations of antibiotics with low systemic levels of the same antibiotic...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28205468/vascularized-medial-femoral-condyle-bone-graft-for-resistant-nonunion-of-the-distal-radius
#7
Mark Henry
BACKGROUND: Nonunion involving the metaphyseal region of the distal radius is exceedingly rare, usually involving co-morbidity. Patients that have failed multiple prior conventional surgical interventions represent an even more difficult subset to treat; this investigation examined the utility of a specially designed free vascularized medial femoral condyle flap consisting of a central structural block graft with an extended corticoperiosteal sleeve to wrap around the junctions. METHODS: Six patients (5 males, 1 female) with a mean age of 52 years had failed to achieve union involving the distal radius metaphysis after a mean of 3...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28203501/partial-breast-reconstruction-with-goldilocks-technique-after-excision-of-giant-fibroadenoma-a-case-report
#8
Ryan P Ter Louw, Sara B Bruce, Maurice Y Nahabedian
Giant juvenile fibroadenomas are relatively rare, accounting for less than 1% fibroadenomas. Large breast tumors create significant asymmetry and provide unique reconstructive challenges after removal. In this case, we describe a 21-year-old female with delayed presentation of a giant fibroadenoma of the right breast. This represents an unusual presentation of benign breast disease requiring reduction of the skin envelope, extensive glandular resection, lower pole reconstruction, and free nipple grafting to achieve symmetry with the opposite breast...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28203497/refinement-of-nasal-reconstruction-with-a-v-y-alar-perforator-flap
#9
Dominik L Feinendegen, Martin F Langer, J Camilo Roldán
BACKGROUND: The ala of the nose is vascularized by a dense net of perforators originating from the lateral nasal artery or the angular artery. These vessels reach the ala in a cascade fashion from the alar groove/lateral nasal wall. Based on these vessels, a V/Y flap can be dissected with a wide range of mobility. MATERIALS AND METHODS: Nineteen patients underwent reconstruction of the nose by means of a V/Y-alar-perforator flap alone or in combination with a myocutaneous rotation flap from the lateral nasal wall and/or from the nasal dorsum for reconstruction of defects at the nasal tip, ala of the nose, and/or lateral nasal wall...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28202996/-surgical-reconstruction-of-maxillary-defects-using-a-computer-assisted-techniques
#10
W B Zhang, Y Yu, Y Wang, X J Liu, C Mao, C B Guo, G Y Yu, X Peng
The maxilla is the most important bony support of the mid-face skeleton and is critical for both esthetics and function. Maxillary defects, resulting from tumor resection, can cause severe functional and cosmetic deformities. Furthermore, maxillary reconstruction presents a great challenge for oral and maxillofacial surgeons. Nowadays, vascularized composite bone flap transfer has been widely used for functional maxillary reconstruction. In the last decade, we have performed a comprehensive research on functional maxillary reconstruction with free fibula flap and reported excellent functional and acceptable esthetic results...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28199294/flow-induced-microvascular-network-formation-of-therapeutic-relevant-arteriovenous-av-loop-based-constructs-in-response-to-ionizing-radiation
#11
Volker J Schmidt, Jennifer M Covi, Christoph Koepple, Johannes G Hilgert, Elias Polykandriotis, Amir K Bigdeli, Luitpold V Distel, Raymund E Horch, Ulrich Kneser
BACKGROUND The arteriovenous (AV) loop model enables axial vascularization to gain a functional microcirculatory system in tissue engineering constructs in vivo. These constructs might replace surgical flaps for the treatment of complex wounds in the future. Today, free flaps are often exposed to high-dose radiation after defect coverage, according to guideline-oriented treatment plans. Vascular response of AV loop-based constructs has not been evaluated after radiation, although it is of particular importance...
February 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28197671/-rectal-perforation-a%C3%A2-rare-complication-following-radiotherapy
#12
M Binnebösel, A Lambertz, C D Klink, U P Neumann
BACKGROUND: Radiotherapy in the treatment of prostate cancer is well established. Intestinal complications following radiotherapy are divided into acute and chronic toxicity. Chronic complications like perforation and fistula formation to the rectum are rare and difficult to treat. MATERIALS AND METHODS: In case of chronic radiotherapy complications and particularly chronic fistula formation to the rectum, evidence is low. Therefore, an overview of the available literature of surgical therapy strategies is given...
February 14, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28197296/an-innovative-solution-to-complex-inguinal-defect-deepithelialized-siea-flap-with-mini-abdominoplasty
#13
Augustine Reid Wilson, Justin Daggett, Michael Harrington, Deniz Dayicioglu
Introduction: We describe a novel technique of contralateral pedicled deepithelialized superficial inferior epigastric artery flaps, followed by abdominal advancement coverage, as an alternative treatment of radiated complicated inguinal or lower abdominal defects, avoiding the donor-site defect typically seen with other methods of coverage. Methods: Two male patients with histories of liposarcoma after excision and radiation to one side of lower abdomen/inguinal area presented with complicated wounds that were reconstructed with this technique...
2017: Eplasty
https://www.readbyqxmd.com/read/28196713/acellular-dermal-graft-pharyngeal-repair-augmentation-after-laryngectomy
#14
Patrik Pipkorn, Parul Sinha, Joseph Zenga, Evan Graboyes, Bruce H Haughey
PURPOSE: Pharyngocutaneous fistula (PCF) after laryngectomy continues to be a serious complication, especially after radiation. Recruitment of non-radiated tissue into the surgical defect may decrease the risk of fistula. These techniques however have significant morbidity and increases operative time. We hypothesized that using acellular dermal graft to reinforce the pharyngeal closure could decrease the risk of fistula, without the added morbidity of a vascularized flap. METHODS: We performed a retrospective chart review of all patients that underwent a laryngectomy between 2005 and 2015 at an acedemic tertiary referral center...
February 2, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28195888/a-novel-application-of-double-paddle-peroneal-chimeric-flap-as-external-sentinel-monitor-in-hypopharyngeal-reconstruction
#15
Jung-Hua Hsueh, Yu-Hsuan Hsieh, Ying-Sheng Lin, Yaoh-Shiang Lin, Kuo-Chung Yang, Wen-Chung Liu
OBJECTIVES: Monitoring the viability of buried free flaps in hypopharyngeal reconstruction is difficult. Various methods have been proposed to monitor these buried flaps, but limitations remain. METHOD: We present a method of using double-paddle chimeric peroneal flaps that permanently externalizes a flap skin paddle as a monitoring paddle in hypopharyngeal reconstructions. This study was performed in a medical center in southern Taiwan; between 2013 and 2015, 10 patients underwent double-paddle chimeric peroneal flap reconstruction in advanced stages of hypopharyngeal cancer...
February 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28194353/labia-majora-share
#16
Hanjing Lee, Yan Lin Yap, Jeffrey Jen Hui Low, Jane Lim
Defects involving specialised areas with characteristic anatomical features, such as the nipple, upper eyelid, and lip, benefit greatly from the use of sharing procedures. The vulva, a complex 3-dimensional structure, can also be reconstructed through a sharing procedure drawing upon the contralateral vulva. In this report, we present the interesting case of a patient with chronic, massive, localised lymphedema of her left labia majora that was resected in 2011. Five years later, she presented with squamous cell carcinoma over the left vulva region, which is rarely associated with chronic lymphedema...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28188996/dual-delivery-of-growth-factors-with-coacervate-coated-poly-lactic-co-glycolic-acid-nanofiber-improves-neovascularization-in%C3%A2-a-mouse-skin-flap-model
#17
Min Suk Lee, Taufiq Ahmad, Jinkyu Lee, Hassan K Awada, Yadong Wang, Kyobum Kim, Heungsoo Shin, Hee Seok Yang
Random skin flaps are commonly used in plastic and reconstructive surgery for patients suffering from severe or large scale wounds or in facial reconstruction. However, skin flaps are sometimes susceptible to partial or complete necrosis at the distal parts of the flaps due to insufficient blood perfusion in the defected area. In order to improve neovascularization in skin flaps, we developed an exogenous growth factor (GF) delivery platform comprised of coacervate-coated poly(lactic-co-glycolic acid) (PLGA) nanofibers...
January 30, 2017: Biomaterials
https://www.readbyqxmd.com/read/28187027/investigating-the-effect-of-korean-red-ginseng-on-the-viability-of-random-pattern-skin-flaps-in-rats
#18
Hakan Tekin, Gönül Tekin, Gülay Bulut, Mustafa Fevzi Sargon, Dağhan Işik
OBJECTIVE: This experimental study investigated the efficacy of Korean Red Ginseng (KRG) extract in reducing the partial losses of random flaps. METHOD: Forty Wistar Albino rats were randomly distributed into 4 groups as (A) control group, (B) stress group, (C) oral KRG group, and (D) intraperitoneal KRG group. The modified McFarlane flap of 9 × 3 cm with a caudal pedicle was harvested from the back of the rats in all the groups. Korean Red Ginseng was administered to groups C and D at standard doses for 10 days...
February 10, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28185972/optimizing-sellar-reconstruction-after-pituitary-surgery-with-free-mucosal-graft-results-in-the-first-50-consecutive-patients
#19
Maria Peris-Celda, Mark Chaskes, Daniel D Lee, Tyler J Kenning, Carlos D Pinheiro-Neto
BACKGROUND: Postoperative CSF leak after endoscopic pituitary surgery ranges from 1.9-10% in different series. Vascularized flaps have reduced the incidence of leak, however it carries nasal morbidity. This paper presents a technique for sellar reconstruction with free mucosal graft from the nasal cavity floor including inferior meatus mucosa. This technique aims to standardize sellar reconstruction without the use of the nasoseptal flap and keeping the advantage of mucosal coverage of the defect in all cases...
February 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28182595/treatment-of-advanced-kienb%C3%A3-ck-disease-with-a-vascularized-radial-bone-flap-wrapped-in-the-pronator-quadratus
#20
Sang Ki Lee, Kap Jung Kim, Hyuck Soo Shin, Won Sik Choy
PURPOSE: In the present study, we aimed to assess the radiologic and clinical outcomes after excision of the lunate, insertion of a vascularized radial bone flap wrapped in the pronator quadratus, and distraction with an external fixator of the joint, for the treatment of avascular necrosis of the lunate with carpal height collapse, fragmentation, and perilunar osteoarthritic changes. MATERIALS AND METHODS: From May 2006 to July 2014, a total of 25 patients (13 men and 12 women; mean age, 38...
March 2017: Annals of Plastic Surgery
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