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https://www.readbyqxmd.com/read/28102640/activated-macrophages-as-key-mediators-of-capsule-formation-on-adipose-constructs-in-tissue-engineering-chamber-models
#1
Weiqing Zhan, Feng Lu
In plastic and reconstructive field, it would be much beneficial to fabricate an engineered adipose tissue substitute allowing reliable and complete fat tissue regeneration. Tissue engineering chamber (TEC) holds the promise to optimize an adipogenic configuration that is efficacious as well as reproducible. A frequently occurring complication involves the adipose tissue flap encapsulation and, effectively, its shielding, by a thick fibrous membrane, which hinders development into the proliferative stage. The reason for the deposition of the collagen capsule remains unclear...
January 19, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28101947/combined-surgical-therapy-of-advanced-peri-implantitis-evaluating-two-methods-of-surface-decontamination-a-7-year-follow-up-observation
#2
Frank Schwarz, Gordon John, Andrea Schmucker, Narja Sahm, Jürgen Becker
OBJECTIVES: To assess the long-term outcomes (>4 years) following combined surgical resective/regenerative therapy of advanced peri-implantitis lesions using two surface decontamination methods. MATERIAL & METHODS: Fifteen patients (n = 15 combined supra- and intrabony defects) completed a follow-up observation period of 7 years. The treatment procedure included access flap surgery, granulation tissue removal and implantoplasty at buccally and supracrestally exposed implant parts, and a randomly assigned decontamination of the unmodified intrabony implant surface areas using either (i) an Er:YAG laser (ERL) or (ii) plastic curettes + cotton pellets + sterile saline (CPS)...
November 7, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28101431/non-invasive-terahertz-imaging-of-tissue-water-content-for-flap-viability-assessment
#3
Neha Bajwa, Joshua Au, Reza Jarrahy, Shijun Sung, Michael C Fishbein, David Riopelle, Daniel B Ennis, Tara Aghaloo, Maie A St John, Warren S Grundfest, Zachary D Taylor
Accurate and early prediction of tissue viability is the most significant determinant of tissue flap survival in reconstructive surgery. Perturbation in tissue water content (TWC) is a generic component of the tissue response to such surgeries, and, therefore, may be an important diagnostic target for assessing the extent of flap viability in vivo. We have previously shown that reflective terahertz (THz) imaging, a non-ionizing technique, can generate spatially resolved maps of TWC in superficial soft tissues, such as cornea and wounds, on the order of minutes...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28100862/-bone-flap-resorption-after-cranioplasty-in-pediatric-patients-report-of-2-cases
#4
Rintaro Yokoyama, Takeshi Mikami, Shouhei Noshiro, Kei Miyata, Kentaro Toyama, Katsuya Komatsu, Noriaki Kikuchi, Tadashi Hasegawa, Nobuhiro Mikuni
Aseptic bone flap resorption, a rare complication after cranioplasty following decompressive craniectomy, is more likely to develop in children. We experienced two cases of aseptic bone flap resorption and identified potential pathophysiological mechanisms through histological findings. In the first case, an 11-year-old girl underwent decompressive craniectomy due to brain swelling with contusion. An autologous bone flap was cryopreserved for four months. Twenty-five months after cranioplasty with autologous bone flap, aseptic bone flap resorption was observed, and cranioplasty was performed with ceramic bone...
January 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28100473/delineating-the-phenotypic-spectrum-of-bainbridge-ropers-syndrome-12-new-patients-with-de-novo-heterozygous-loss-of-function-mutations-in-asxl3-and-review-of-published-literature
#5
M Balasubramanian, J Willoughby, A E Fry, A Weber, H V Firth, C Deshpande, J N Berg, K Chandler, K A Metcalfe, W Lam, D Pilz, S Tomkins
BACKGROUND: Bainbridge-Ropers syndrome (BRPS) is a recently described developmental disorder caused by de novo truncating mutations in the additional sex combs like 3 (ASXL3) gene. To date, there have been fewer than 10 reported patients. OBJECTIVES: Here, we delineate the BRPS phenotype further by describing a series of 12 previously unreported patients identified by the Deciphering Developmental Disorders study. METHODS: Trio-based exome sequencing was performed on all 12 patients included in this study, which found a de novo truncating mutation in ASXL3...
January 18, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28100153/long-term-survival-after-coverage-with-prevertebral-fascia-for-abdominal-aortic-stump-closure
#6
Takehiro Inoue, Masato Imura, Toshio Kaneda, Toshihiko Saga
Abdominal aortic graft-enteric fistula is an uncommon but grave complication. Acceptable early results of its management have been reported in recent years, but aortic stump disruption remains a dreaded problem in the remote period. This report describes a case of a 71-year-old male with graft-enteric fistula following after a distant abdominal aortic aneurysm repair. The patient underwent 1-stage operation with extra-anatomic bypass preceding the complete removal of the infected aortic graft and intestinal repair...
January 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28099976/vasculature-characterization-of-a-multiterritory-perforator-flap-an-experimental-study
#7
Long Wang, Zong-Wei Zhou, Liang-Hui Yang, Xian-Yao Tao, Xiao-Liang Feng, Jian Ding, Wei-Yang Gao
Background Tip necrosis in the perforator flap is a significant problem in clinical practice. This study aimed to characterize the vasculature of a multiterritory perforator flap using a rat model and to investigate the impact of the vasculature on flap survival. Methods In total, 105 Sprague Dawley rats were divided into seven groups, including the control, 3 hours postoperative (PO), 12 hours PO, 1 day PO, 3 days PO, 5 days PO, and 7 days PO. A perforator flap with three territories based on the deep iliac circumflex artery was performed...
January 18, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28099975/functional-outcome-of-cad-cam-assisted-versus-conventional-microvascular-fibular-free-flap-reconstruction-of-the-mandible-a-retrospective-study-of-30-cases
#8
Lucas M Ritschl, Thomas Mücke, Andreas Fichter, Florian D Güll, Christopher Schmid, Jean Marc Pho Duc, Marco R Kesting, Klaus-Dietrich Wolff, Denys J Loeffelbein
Background Different advantages of virtually planned and guided mandibular reconstructions have been described. Functional analyses and comparisons with conventionally reconstructed patients. Methods We retrospectively analyzed 30 cases of mandibular reconstructions that involved virtually planned or conventional microvascular, fibular free flaps that occurred between April 2011 and December 2014 at a single center. The results were also compared with a healthy cohort of 30 participants. Axiographic measurements were performed postoperatively, and uni- and multivariate regressions analyses were performed to determine the association between possible predictor variables on functional outcome...
January 18, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28099360/aggressive-intramuscular-hemangiomas-in-the-upper-extremity-a-case-report
#9
Hui Lu, Qiang Chen, Hu Yang, Hui Shen
INTRODUCTION: Intramuscular hemangioma (IMH) is a rare congenital soft tissue tumor. Here, we report a case of IMH patient who had undergone several surgeries and other treatments that were all ineffective before he visited us. CLINICAL FINDINGS: This IMH patient was a 16-yearold male who was born with a tumor of unknown size in his right hand and forearm. On physical examination, the tumor and skin flap complex was seen with a size of 14 cm_12 cm in his right hand, and the multiple postoperative scars were shown on his right hand and forearm...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099357/bilayered-negative-pressure-wound-therapy-preventing-leg-incision-morbidity-in-coronary-artery-bypass-graft-patients-a-randomized-controlled-trial
#10
Yongchao Yu, Zhigang Song, Zhiyun Xu, Xiaofei Ye, Chunyu Xue, Junhui Li, Hongda Bi
BACKGROUNDS: The harvesting of great saphenous veins for coronary artery bypass graft (CABG) patients may result in significant complications, including lymphorrhagia, lymphoedema, incision infection, wound dehiscence, and skin flap necrosis. We investigated the function of a self-designed bilayered negative pressure wound therapy (b-NPWT) for reducing the above-mentioned complications using a clinical randomized controlled trial. METHODS: A single-center, pilot randomized controlled trial was conducted...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099270/a-prospective-assessment-of-surgical-risk-factors-in-114-gluteal-fold-flap-reconstructions-after-oncological-vulvoperineal-resection-to-establish-clinically-relevant-selection-criteria
#11
Maurits Lange, J Joris Hage, Marc van Beurden
BACKGROUND AND AIM: To date, clinically relevant selection criteria have not been established for the use of the gluteal fold flap after oncological vulvoperineal resection. We prospectively assessed the surgical risk factors of this reconstructive technique in a large series. METHODOLOGY: From April of 2000 through December of 2015, 114 gluteal fold flaps were used for vulvoperineal reconstruction after excision of (pre)malignant skin disorders in 75 women. The possible influence of 10 patient-related and 6 procedure-related risk factors on flap-related postoperative complications was statistically analyzed...
January 18, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28099268/vascular-nature-and-existence-of-anastomoses-of-extrinsic-postauricular-fascia-application-for-staged-auricular-reconstruction
#12
Suphalerk Lohasammakul, Chairat Turbpaiboon, Supin Chompoopong, Rosarin Ratanalekha, Chongdee Aojanepong
A staged auricular reconstruction in microtia patients was developed by using superficial mastoid fascia (as part of extrinsic postauricular fascia) to cover the cartilagenous framework due to its highly vascularized nature. Three branches of external carotid artery (superficial temporal artery, posterior auricular artery and occipital artery) were found to supply this fascia, this study was therefore aimed to investigate the dimension of blood supply from each vessel and also to demonstrate the existence of anastomoses among these arteries...
January 18, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28099201/medial-canthal-reconstruction-with-malar-advancement-flap-combined-with-cutaneous-island-flap-created-using-conventionally-discarded-tissue
#13
Doruk Orgun, Ayato Hayashi
No abstract text is available yet for this article.
January 17, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28099173/surgical-approach-for-ulcerated-locally-advanced-breast-cancer-a-single-center-experience-a-retrospective-study
#14
Rita Laforgia, Clelia Punzo, Annunziata Panebianco, Annalisa Volpi, Marina Minafra, Maria Grazia Sederino
AIM: The aim of our retrospective study is to analyze surgical possibilities for the extended LABC in those cases not suitable for a neoadjuvant chemotherapy step and to consider various reconstruction techniques. MATERIAL OF STUDY: Between 2009 and 2015 we enrolled 11 patients, admitted to the Emergency Department, presenting ulcerated LABC that needed palliative surgical demolitive procedures because of bleeding and anemia and in which was necessary to use natural tissues transposition or synthetic substitutes for the reconstruction of the skin flaps...
January 12, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28099162/thermography-based-blood-flow-imaging-in-human-skin-of-the-hands-and-feet-a-spectral-filtering-approach
#15
A A Sagaidachnyi, A V Fomin, D A Usanov, A V Skripal
The determination of the relationship between skin blood flow and skin temperature dynamics is the main problem in thermography-based blood flow imaging. Oscillations in skin blood flow are the source of thermal waves propagating from micro-vessels toward the skin's surface, as assumed in this study. This hypothesis allows us to use equations for the attenuation and dispersion of thermal waves for converting the temperature signal into the blood flow signal, and vice versa. We developed a spectral filtering approach (SFA), which is a new technique for thermography-based blood flow imaging...
January 18, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28098716/one-versus-two-venous-anastomoses-in-the-anterolateral-thigh-flap-reconstruction-after-oral-cancer-ablation
#16
Yao-Chou Lee, Shyh-Jou Shieh
No abstract text is available yet for this article.
January 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28098715/one-versus-two-venous-anastomoses-in-anterolateral-thigh-flap-reconstruction-after-oral-cancer-ablation
#17
Sara Di Lorenzo, Bartolo Corradino, Adriana Cordova
No abstract text is available yet for this article.
January 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28098714/reply-regional-oxygen-saturation-index-a-novel-criteria-for-free-flap-assessment-using-tissue-oximetry
#18
Shinsuke Akita, Nobuyuki Mitsukawa, Hideki Tokumoto, Yoshitaka Kubota, Motone Kuriyama, Yoshitaro Sasahara, Yoshihisa Yamaji, Kaneshige Satoh
No abstract text is available yet for this article.
January 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28098713/-regional-oxygen-saturation-index-a-novel-criterion-for-free-flap-assessment-using-tissue-oximetry
#19
Yu Kagaya, Shimpei Miyamoto
No abstract text is available yet for this article.
January 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28097778/does-smoking-history-confer-a-higher-risk-for-reconstructive-complications-in-nipple-sparing-mastectomy
#20
Jordan D Frey, Michael Alperovich, Jamie P Levine, Mihye Choi, Nolan S Karp
History of smoking has been implicated as a risk factor for reconstructive complications in nipple-sparing mastectomy (NSM), however there have been no direct analyses of outcomes in smokers and nonsmokers. All patients undergoing NSM at New York University Langone Medical Center from 2006 to 2014 were identified. Outcomes were compared for those with and without a smoking history and stratified by pack-year smoking history and years-to-quitting (YTQ). A total of 543 nipple-sparing mastectomies were performed from 2006 to 2014 with a total of 49 in patients with a history of smoking...
January 18, 2017: Breast Journal
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