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https://www.readbyqxmd.com/read/28446016/biodegradation-and-biocompatibility-of-poly-l-lactic-acid-implantable-mesh
#1
Sang-Don Yoon, Young-Sam Kwon, Kyu-Sung Lee
PURPOSE: The purpose of this study was to evaluate the biodegradation and biocompatibility of poly L-lactic acid (PLLA) implantable mesh under in vitro and in vivo conditions. METHODS: PLLA mesh was examined for changes in weight and tensile strength. The histology of the tissue around the PLLA implant was also evaluated. RESULTS: The weight and tensile strength of the PLLA prosthesis was stable for 180 days. In addition, the surface of the PLLA mesh was not digested under in vitro or in vivo conditions as determined by scanning electron microscope...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28445973/plasmodium-parasite-as-an-effective-hepatocellular-carcinoma-antigen-glypican-3-delivery-vector
#2
Quan Liu, Yijun Yang, Xuefang Tan, Zhu Tao, Dickson Adah, Songlin Yu, Junnan Lu, Siting Zhao, Limei Qin, Li Qin, Xiaoping Chen
We have previously demonstrated that malaria parasite infection has an anti-tumor effect in a mouse model. This research aimed to investigate the possibility of using Plasmodium parasite as a novel vaccine vector for hepatocellular carcinoma (HCC) immunotherapy. We constructed a Plasmodium yoelii 17XNL strain (P.y) expressing murine glypican-3 (GPC3) protein (P.y-GPC3), and examined its therapeutic potency in a murine Hepa1-6-induced hepatoma model that highly expressed GPC3 protein. The prerequisites for invoking a CD8+ T cell response were assessed after P...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445906/-bipolar-stimulation-may-improve-the-efficacy-of-the-percutaneous-nerve-evaluation-test-of-sacral-neuromodulation
#3
André Reitz, Tanja Hüsch, Regula Doggweiler, Stephan Buse, Axel Haferkamp
Purpose This study evaluates the hypothesis that bipolar stimulation of the S3 and S4 sacral roots may enhance the efficacy of the percutaneous nerve evaluation (PNE) test. Material and Methods In this case-control-study, we enrolled 43 patients undergoing bipolar PNE and 57 controls undergoing unipolar PNE. For bipolar PNE, four test electrodes were placed at the bilateral S3 and S4 roots. The electrodes at the S3 and S4 roots of each side were connected to obtain bipolar stimulation. The test protocol over eight days included unilateral and bilateral stimulation of the S3 and S4 sacral roots...
April 26, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28445794/post-transplant-malignancy-after-pediatric-kidney-transplantation-retrospective-analysis-of-incidence-and-risk-factors-in-884-patients-transplanted-between-1963-and-2015-at-the-university-of-minnesota
#4
Oscar K Serrano, Ananta S Bangdiwala, David M Vock, Srinath Chinnakotla, Ty B Dunn, Erik B Finger, Raja Kandaswamy, Timothy L Pruett, John S Najarian, Arthur J Matas, Blanche M Chavers
BACKGROUND: Post-transplant malignancy (PTM) remains a concern among pediatric kidney transplant (PKT) recipients. STUDY DESIGN: Between 1963 and 2015, 884 pediatric (age: 0-17 years old) recipients received 1055 PKTs at our institution. Cox proportional hazards models were constructed to identify risk factors for PTM after PKT with time-to-first-PTM as a primary outcome. Secondly, the hazard of death or graft loss was calculated in patients who developed PTM. RESULTS: Median patient survival was 33 years (interquartile range [IQR]: 18...
April 23, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28445719/kat-independent-gene-regulation-by-tip60-promotes-esc-self-renewal-but-not-pluripotency
#5
Diwash Acharya, Sarah J Hainer, Yeonsoo Yoon, Feng Wang, Ingolf Bach, Jaime A Rivera-Pérez, Thomas G Fazzio
Although histone-modifying enzymes are generally assumed to function in a manner dependent on their enzymatic activities, this assumption remains untested for many factors. Here, we show that the Tip60 (Kat5) lysine acetyltransferase (KAT), which is essential for embryonic stem cell (ESC) self-renewal and pre-implantation development, performs these functions independently of its KAT activity. Unlike ESCs depleted of Tip60, KAT-deficient ESCs exhibited minimal alterations in gene expression, chromatin accessibility at Tip60 binding sites, and self-renewal, thus demonstrating a critical KAT-independent role of Tip60 in ESC maintenance...
April 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28445696/which-factors-affect-citation-rates-in-the-oral-and-maxillofacial-surgery-literature
#6
Kristie Cheng, Thomas B Dodson, Mark A Egbert, Srinivas M Susarla
PURPOSE: Citation rate is one of several tools to measure academic productivity. The purposes of this study were to estimate and identify factors associated with citation rates in the oral and maxillofacial surgery (OMS) literature. MATERIALS AND METHODS: This was a retrospective longitudinal study of publications in the Journal of Oral and Maxillofacial Surgery (JOMS), International Journal of Oral and Maxillofacial Surgery (IJOMS), and Oral Surgery, Oral Medicine, Oral Pathology, and Oral Radiology from January through December 2012...
April 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28445607/fractal-characteristics-of-the-microvascular-network-a-useful-index-to-assess-vascularization-level-of-porous-silk-fibroin-biomaterial
#7
Kuihua Zhan, Lun Bai, Qinqin Wu, Derong Lei, Guangqian Wang
The neovascularization of biomaterials for tissue engineering is not only related to growth of capillaries but also involves appropriate hierarchy distribution of the microvessels. In this study, we proposed hierarchy distribution contrast method which can assess vascular transport capacity, in order to examine the hierarchy distribution of the neovessels during vascularization of the porous silk fibroin biomaterials implanted into rats and its evolution. The results showed that the fractal characteristics appeared toward the end of the vascularization stages, and the structure of the microvascular network after 3 weeks of implantation was similar to the fractal microvascular tree with bifurcation exponent x=3 and fractal dimension D=1...
April 26, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28445385/reply-antibiotic-prophylaxis-following-implant-based-breast-reconstruction-what-is-the-evidence
#8
Brett T Phillips, Eric G Halvorson
No abstract text is available yet for this article.
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445375/a-new-classification-of-three-dimensional-printing-technologies-systematic-review-of-three-dimensional-printing-for-patient-specific-craniomaxillofacial-surgery
#9
Carly A Jacobs, Alexander Y Lin
BACKGROUND: Three-dimensional printing technology has been advancing in surgical applications. This systematic review examines its patient-specific applications in craniomaxillofacial surgery. METHODS: Terms related to "three-dimensional printing" and "surgery" were searched on PubMed on May 4, 2015; 313 unique articles were returned. Inclusion and exclusion criteria concentrated on patient-specific surgical applications, yielding 141 full-text articles, of which 33 craniomaxillofacial articles were analyzed...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445371/preventing-early-stage-graft-bone-resorption-by-simultaneous-innervation-innervated-iliac-bone-flap-for-mandibular-reconstruction
#10
Lei Wang, Jian-Hua Wei, Xi Yang, Zi-Hui Yang, Mo-Yi Sun, Xiao-Bing Cheng, Li-Qun Xu, De-Lin Lei, Chen-Ping Zhang
BACKGROUND: Postoperative resorption of vascularized bone grafts jeopardizes the success of dental implant(s) and functional rehabilitation of the jaw. Recent evidence supports the crucial role of innervation in bone regeneration and turnover. METHODS: This study reports a new technique for simultaneous innervation of vascularized iliac flaps in mandibular reconstruction, through neurorrhaphy between ilioinguinal nerves, which innervate iliac bone, and inferior alveolar nerves or great auricular nerves...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445369/a-systematic-review-of-different-implants-and-approaches-for-proximal-interphalangeal-joint-arthroplasty
#11
Michiro Yamamoto, Sunitha Malay, Yuki Fujihara, Lin Zhong, Kevin C Chung
BACKGROUND: Outcomes after implant arthroplasty for primary degenerative and posttraumatic osteoarthritis of the proximal interphalangeal joint were different according to the implant design and surgical approach. The purpose of this systematic review was to evaluate outcomes of various types of implant arthroplasty for proximal interphalangeal joint osteoarthritis, with an emphasis on different surgical approaches. METHODS: The authors searched all available literature in the PubMed and EMBASE databases for articles reporting on outcomes of implant arthroplasty for proximal interphalangeal joint osteoarthritis...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445357/the-challenges-of-augmentation-mastopexy-in-the-massive-weight-loss-patient-technical-considerations
#12
Demetrius M Coombs, Udayan Srivastava, Dalit Amar, J Peter Rubin, Jeffrey A Gusenoff
BACKGROUND: Augmentation mastopexy in the massive weight loss population is challenging because of poor skin elasticity and lack of inframammary support. Despite several large studies of augmentation mastopexy in the literature, few data exist regarding this unique patient population. The authors examine early postoperative ptosis, implant malposition, and strategies to optimize outcomes. METHODS: A retrospective review of massive weight loss patients who underwent augmentation mastopexy from 2003 to 2011 was performed to record age, body mass index, implant characteristics, postoperative ptosis, and implant malposition...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445356/what-is-the-standard-volume-to-increase-a-cup-size-for-breast-augmentation-surgery-a-novel-three-dimensional-computed-tomographic-approach
#13
Nina-Marie King, Vedran Lovric, William C H Parr, W R Walsh, Pouria Moradi
BACKGROUND: Breast augmentation surgery poses many challenges, and meeting the patient's expectations is one of the most important. Previous reports equate 100 cc to a one-cup-size increase; however, no studies have confirmed this between commercially available bras. The aim of this study was to identify the volume increase between cup sizes across different brands and the relationship with implant selection. METHODS: Five bra cup sizes from three different companies were analyzed for their volume capacity...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445355/subfascial-primary-breast-augmentation-with-fat-grafting-a-review-of-156-cases
#14
Nathalie Kerfant, Anne-Sophie Henry, Weiguo Hu, Alexandra Marchac, Eric Auclair
BACKGROUND: Composite breast augmentation with fat grafting and an implant has become very popular in the past 5 years. This achieves the core volume projection of an implant complemented by the natural appearance and feel of fat. However, no study has looked at the complications and reoperation rates of this technique. METHODS: A retrospective chart review examined all patients who underwent the combined use of an implant and fat grafting for primary breast augmentation...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445350/shaped-versus-round-implants-in-breast-reconstruction-a-multi-institutional-comparison-of-surgical-and-patient-reported-outcomes
#15
Nima Khavanin, Mark W Clemens, Andrea L Pusic, Neil A Fine, Jennifer B Hamill, H Myra Kim, Ji Qi, Edwin G Wilkins, John Y S Kim
BACKGROUND: Since the 2012 approval of shaped implants, their use in breast reconstruction has increased in the United States. However, large-scale comparisons of complications and patient-reported outcomes are lacking. The authors endeavored to compare surgical and patient-reported outcomes across implant types. METHODS: The Mastectomy Reconstruction Outcomes Consortium database was queried for expander/implant reconstructions with at least 1-year postexchange follow-up (mean, 18...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445349/surgical-determinants-of-patient-reported-outcomes-following-postmastectomy-reconstruction-in-women-with-breast-cancer
#16
Ranjeet Jeevan, John P Browne, Carmel Gulliver-Clarke, Jerome Pereira, Christopher M Caddy, Jan H P van der Meulen, David A Cromwell
BACKGROUND: This national prospective cohort study compared the patient-reported outcomes of breast cancer patients undergoing postmastectomy autologous reconstruction to those who had breast implants, in terms of aesthetic appearance; levels of psychological, physical, and sexual well-being; and overall satisfaction. METHODS: Of 5063 women who underwent immediate reconstruction (n = 3349) or delayed reconstruction (n = 1714) between January 1, 2008, and March 31, 2009, in England, 2923 women who gave informed consent were sent validated, procedure-specific, 18-month follow-up questionnaires...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445348/discussion-u-s-epidemiology-of-breast-implant-associated-anaplastic-large-cell-lymphoma
#17
Anand K Deva
No abstract text is available yet for this article.
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445347/discussion-global-adverse-event-reports-of-breast-implant-associated-alcl-an-international-review-of-40-government-authority-databases
#18
Troy A Pittman, David H Song
No abstract text is available yet for this article.
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445273/staged-management-of-open-lisfranc-injury-experience-from-14-patients
#19
Wenqi Gu, Zhongmin Shi
There are still controversies on the management and outcome of open Lisfranc injury in available studies. This study evaluates the staged management of Lisfranc injury and its complications.Patients who received a staged strategy for open Lisfranc injury were reviewed.One patient with degloving injury suffered from partial skin and hallux necrosis which was treated by debridement, hallux amputation, definitive internal fixation, and local flap transfer on the 12th day after first stage management. A definitive internal fixation and simultaneous skin graft or flap coverage were performed in another 3 patients with soft tissue defects...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445265/comparison-of-clinical-outcomes-after-drug-eluting-stent-implantation-in-diabetic-versus-nondiabetic-patients-in-china-a-retrospective-study
#20
Yong-Jin Jiang, Wei-Xing Han, Chao Gao, Jun Feng, Zheng-Fei Chen, Jing Zhang, Chun-Miao Luo, Jian-Yuan Pan
Diabetes mellitus (DM) has been proved to be a predictor of adverse outcomes after percutaneous coronary intervention (PCI). Drug-eluting stents (DESs) could reduce the adverse events in DM patients. In this study, we aimed to analyze the clinical outcome after DES implantation in diabetic versus nondiabetic patients in China. Totally, 200 Chinese DM patients and 400 Chinese non-DM patients were enrolled in this retrospective study. Compared with non-DM patients, DM patients were more likely to have a higher incidence of cardiac death (3...
April 2017: Medicine (Baltimore)
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