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Microvascular reconstruction

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https://www.readbyqxmd.com/read/28516962/design-of-a-customised-bridging-mandibular-prosthesis-for-complex-reconstruction-a-pilot-study
#1
A Tarsitano, S Battaglia, A Sandi, C Marchetti
The gold standard for mandibular reconstruction is universally recognised and consists of the replacement of the bony part of the mandible with a bony microvascular free flap supported by a reconstructive plate. Although this procedure is feasible and reproducible in most patients, at times poor oncological prognosis or poor performance status force surgeons to consider other reconstructive solutions. In these cases, the main alternative in reconstructing a mandibular defect is represented by bridging plates combined with soft tissue flaps...
June 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28516727/non-invasive-longitudinal-monitoring-of-angiogenesis-in-a-murine-full-thickness-cutaneous-wound-healing-model-using-high-resolution-three-dimensional-ultrasound-imaging
#2
K Mukai, W Zhu, Y Nakajima, M Kobayashi, T Nakatani
BACKGROUND/PURPOSE: The aim of this study was to evaluate the longitudinal monitoring of angiogenesis in a murine full-thickness cutaneous wound healing model using high-resolution three-dimensional (3D) ultrasound imaging. METHODS: Two C57BL/6 mice were used. Two-dimensional (2D) ultrasound images with the Color Doppler mode were acquired at regular spatial intervals on day 9, 11, and 14 after wounding. 3D ultrasound images were processed by reconstructing the 2D ultrasound image sequences...
May 17, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28507873/inferior-limb-salvage-by-combined-free-tissue-transfer-and-the-crane-principle-revisited
#3
Alessandro Thione, Pedro C Cavadas
Aggressive treatment of ischemia of the lower extremities has decreased the number of amputations in both diabetic and nondiabetic patients; combined vascular reconstruction and microvascular free-flap transfer has been used to improve distal perfusion and cover large tissue defects caused by the critical limb ischemia during the past 30 years. We present our experience with a 71-year-old diabetic patient who underwent revascularization with a vascular bypass and a simultaneous microvascular flap reconstruction for limb salvage after domestic trauma...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28507853/ulnar-head-reconstruction-with-microvascular-second-metatarsal
#4
Pedro C Cavadas, Alessandro Thione
BACKGROUND: The distal radioulnar joint along with the interosseous ligament of the forearm and the proximal radioulnar joint, form a functionally integrated system responsible for the pronation-supination of the hand. The distal ulna, the so-called ulnar head, is an integral part of this system. Apart from its well-known role in forearm rotation, the ulnar head is essential in transverse load transmission through the distal radioulnar joint upon resisted elbow flexion. Autologous reconstruction of ulnar head would theoretically be beneficial with respect to prostheses...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28506450/utility-and-versatility-of-the-supraclavicular-artery-island-flap-in-head-and-neck-reconstruction
#5
José A González-García, Carlos M Chiesa-Estomba, Jon A Sistiaga, Ekhiñe Larruscain, Leire Álvarez, Xabier Altuna
INTRODUCTION: The supraclavicular island flap is a rotational pedicled flap and may have some advantages in head and neck reconstruction compared with free-tissue transfer when this kind of reconstruction is not affordable or recommended. MATERIAL AND METHODS: We present our experience during the year 2016 in the application of the supraclavicular island flap in five cases as an alternative to microvascular reconstruction in several defects after resection of head and neck tumours...
May 12, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28495027/medial-femoral-condyle-microvascular-bone-transfer-as-a-treatment-for-capitate-avascular-necrosis-surgical-technique-and-case-report
#6
Nikolas H Kazmers, Joshua C Rozell, Kevin M Rumball, Scott H Kozin, Dan A Zlotolow, L Scott Levin
Avascular necrosis (AVN) of the capitate is a rare clinical entity for which a variety of treatment options have been described, ranging from immobilization to microvascular bone transfer. Outcomes following medial femoral condyle corticocancellous free flap reconstruction have not been reported for this specific pathology. We present the case of a 16-year-old girl with posttraumatic capitate AVN who was treated with curettage and medial femoral condyle corticocancellous vascularized bone grafting. At 18 months after surgery, the patient remains pain-free and had resumed all activities including lifeguarding by 6 months after surgery...
May 9, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28493235/the-impact-of-radiation-and-its-timing-on-donor-internal-mammary-vessel-histopathology-at-the-time-of-autologous-microvascular-breast-reconstruction
#7
Elizabeth B Odom, Ali A Qureshi, Aaron B Mull, Yuan James Rao, Caroline Min, Daniel Hunter, Imran Zoberi, Terence M Myckatyn
No abstract text is available yet for this article.
May 10, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28493196/head-and-neck-reconstruction-in-the-elderly-patient-a-safe-procedure
#8
Maximilian Reiter, Philipp Baumeister, Christian Jacobi
Demographic changes strongly affect industrialized countries. While free tissue transfer was initially believed to be beneficial only for younger patients, there is an increasing number of elderly patients requiring microvascular operations in our aging society. Medical and surgical risks for head and neck cancer patients over a certain age who undergo free tissue transfer has hardly been investigated. A retrospective mono-center cohort study was performed. All patients with the age 75 or higher undergoing microvascular operations were reviewed...
May 10, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28485495/locoregional-recurrence-following-maxillectomy-implications-for-microvascular-reconstruction
#9
Ilya Likhterov, Michael A Fritz, Ivan H El-Sayed, Rahul Seth, Hani M Rayess, P Daniel Knott
OBJECTIVE: Reconstruction of maxillectomy defects offers potential quality-of-life improvement, although cavity coverage may impact surveillance of recurrent malignancy. We describe the pattern of postmaxillectomy locoregional recurrence. STUDY DESIGN: Retrospective review. METHODS: Patients from 2001 to 2011 at the University of California, San Francisco and the Cleveland Clinic. RESULTS: Among 75 patients with malignancy resulting in partial or total maxillectomy, 57 were treated with obturators and 18 underwent reconstructive surgery...
May 9, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28472836/one-versus-two-venous-anastomoses-in-microvascular-upper-extremity-reconstruction
#10
Denis Ehrl, Paul I Heidekrueger, Albrecht Heine-Geldern, Milomir Ninkovic, P Niclas Broer
No abstract text is available yet for this article.
May 4, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28469823/clinicopathologic-analysis-of-14-cases-of-odontogenic-myxoma-and-review-of-the-literature
#11
Ana-Lucia-Noronha Francisco, Thiago-Celestino Chulam, Fábio-Oliveira Silva, Diogo-Gonçalves Ribeiro, Clóvis-Antônio-Lopes Pinto, Rogério-Oliveira Gondak, Luiz-Paulo Kowalski, João Gonçalves-Filho
BACKGROUND: Odontogenic myxoma is a rare benign neoplasm that originates from odontogenic ectomesenchyme. There is no standard of care and recurrences are frequent after conservative surgical procedures. MATERIAL AND METHODS: A retrospective study conducted at a single cancer center, with analysis of medical records of all patients diagnosed with odontogenic myxoma from 1980 to 2010, along with a literature review. RESULTS: There were 14 patients with diagnosis of odontogenic myxoma (OM)...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28468146/microsurgical-replantation-of-total-avulsed-scalp-extending-the-limits
#12
Yunbo Jin, Chen Hua, Xiaojie Hu, Hui Chen, Gang Ma, Yun Zou, Bin Chen, Dongze Lyu, Mathias Tremp, Xiaoxi Lin
BACKGROUND: Avulsion of the scalp is a rare but severe trauma and challenging to the reconstructive surgeon. It poses not only physical concussion but also significant persisting psychological distress to the patients. METHODS: Medical records from 5 patients who suffered scalp avulsion were reviewed retrospectively. The following data and methods were assessed: age, number of vessels repaired, method of replantation, vein grafts required, blood transfusion, ischemia time, total operating time, and percentage of scalp survival...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28468144/microvascular-tissue-transfers-for-midfacial-and-anterior-cranial-base-reconstruction
#13
Ali Emre Aksu, Hakan Uzun, Ozan Bitik, Gökhan Tunçbilek, Tunç Şafak
Reconstruction of a midfacial defect can represent a difficult challenge for the plastic surgeon. Although many midfacial deformities have traumatic or congenital origins, the vast majority of head and neck defects occur after resection of malignant head and neck neoplasms. Autogenous reconstruction is now routinely performed for larger, complex defects resulting from surgical resection or trauma. In this study, the authors present 27 patients with midfacial defects reconstructed with free flaps. Twenty-two of the defects were created by surgical ablation of cancer (maxillectomy) and the others were traumatic...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28467662/impact-of-venous-outflow-tract-on-survival-of-osteocutaneous-free-fibula-flaps-for-mandibular-reconstruction-a-14-year-review
#14
Eric I Chang
BACKGROUND: The principle reconstructive modality for segmental mandibulectomy defects is the osteocutaneous free fibula flap. Preoperative CT angiography has been recommended to assess the quality of arterial inflow to the flap and donor limb. However, the impact of the venous system on flap viability has not been explored. METHODS: A retrospective review of all patients undergoing free fibula flap mandible reconstruction was performed at a single tertiary cancer center from 2002 to 2015...
May 3, 2017: Head & Neck
https://www.readbyqxmd.com/read/28465039/use-of-couplers-for-vascular-anastomoses-in-601-free-flaps-for-reconstruction-of-defects-of-the-head-and-neck-technique-and-two-year-retrospective-clinical-study
#15
A Assoumane, L Wang, K Liu, Z-J Shang
We describe our experience with the use of 854 couplers for venous or arterial anastomoses, or both, in 601 free flaps for reconstruction of defects of the head and neck. We reviewed 601 patients who had had free flaps (with the microvascular anastomoses being made with couplers in 519) between July 2013 and December 2015. Personal details, and clinical data including the site of the defect, the tumour excised, the types of flaps, the size of the couplers, the method of anastomosis (venous or arterial) in which the coupler was used, and postoperative complications were recorded...
April 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28462437/clinical-assessment-of-reconstruction-involving-gastric-pull-up-combined-with-free-jejunal-graft-after-total-pharyngolaryngoesophagectomy
#16
Hiroshi Miyata, Keijiro Sugimura, Masaaki Motoori, Yoshiyuki Fujiwara, Takeshi Omori, Masahiro Mun, Masayuki Ohue, Masayoshi Yasui, Norikatsu Miyoshi, Takashi Fujii, Hiroki Tajima, Tomoyuki Kurita, Masahiko Yano
BACKGROUND: Total pharyngolaryngoesophagectomy (PLE) is used as a curative treatment for synchronous laryngopharyngeal and thoracic esophageal cancer or for multiple cancers in the cervical and thoracic esophagus. Gastric pull-up is commonly used after PLE, but postoperative complications are common. The present study evaluated these procedures in patients with esophageal cancer. METHODS: Fourteen patients (7 with synchronous pharyngeal and thoracic esophageal cancer, 4 with synchronous cervical and thoracic esophageal cancer, and 3 with cervicothoracic esophageal cancer) underwent reconstructive surgery after PLE involving gastric pull-up combined with free jejunal graft between 2004 and 2015...
May 1, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28458984/segmental-humeral-reconstruction-with-a-pedicled-radius-bone-flap-in-congenital-amyoplasia
#17
Pedro C Cavadas, Alessandro Thione
The clinical case of a patient with a segmental humeral defect, in the context of an arthrogryposis congenita multiplex and morbid obesity, reconstructed with a pedicled segmental radial bone flap is reported. The use of the pedicled vascularized diaphyseal radial bone flap may be a useful technique for humerus reconstruction in patients with contraindication for microvascular bone transfers and an already injured or severely handicapped upper limb.
March 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28458967/improved-head-and-neck-free-flap-outcome-effects-of-a-treatment-protocol-adjustment-from-pre-to-postoperative-radiotherapy
#18
Martin Halle, Bjorn O Eriksson, Ann-Charlott Docherty Skogh, Pehr Sommar, Lalle Hammarstedt, Caroline Gahm
BACKGROUND: The impact of preoperative radiotherapy on microvascular reconstructive surgery outcome has been a subject of debate. However, data are conflicting and often dependent on local treatment protocols. We have studied the effects of radiotherapy in a unique, single-center setting where a treatment protocol change was undertaken from pre- to postoperative radiotherapy administration for microsurgical head and neck reconstructions. METHODS: A cohort study was conducted for 200 consecutive head and neck free flap cases, where 100 were operated on before and 100 after the treatment protocol adjustment in 2006...
March 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28452166/dorsal-scapular-artery-as-a-recipient-vessel-in-the-vessel-depleted-neck-during-free-tissue-transfer-in-head-and-neck-reconstruction
#19
Andrew J Rosko, Jesse T Ryan, Eric J Wizauer, Mohannad Ibrahim, Ashok Srinivasan, Chaz L Stucken, Matthew E Spector
BACKGROUND: The vessel-depleted neck poses a unique challenge to the microvascular surgeon. Using 3D modeling and cadaveric dissection, we describe the approach and advantages of a known but less frequently used recipient vessel, the dorsal scapular artery, during free tissue transfer. METHODS: Three patients with vessel-depleted necks required reconstruction with free tissue transfer. The dorsal scapular artery was used as a recipient vessel. Three-dimensional anatomic models were created and cadaveric dissections were performed to characterize the anatomy...
April 28, 2017: Head & Neck
https://www.readbyqxmd.com/read/28438396/the-versatile-use-of-revisited-de-epithelialization-concept-in-superficial-circumflex-iliac-and-anterolateral-thigh-perforator-free-flap-for-head-and-neck-reconstructions
#20
Jong Woo Choi, Young Chul Kim, Tae Suk Oh, Kyung S Koh, Woo Shik Jeong
BACKGROUND: Although the perforator free flap is now a standard choice for head and neck reconstruction, problems such as microvascular complications, insufficient volume support for the defect, and fistula formation occur. We revisited a de-epithelialized concept for superficial circumflex iliac artery and anterolateral thigh perforator free flap to overcome these problems. METHODS: We applied the de-epithelized perforator free flaps in 35 cases among 761 microsurgical head and neck reconstructions and investigated flap characteristics (length gain of pedicle, flap size, and volumetric analysis) and outcomes (flap failure, partial flap necrosis, hematoma, infection, and fistula)...
February 20, 2017: Journal of Cranio-maxillo-facial Surgery
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