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https://www.readbyqxmd.com/read/29434662/novel-devices-for-implant-based-breast-reconstruction-is-the-use-of-meshes-to-support-the-lower-pole-justified-in-terms-of-benefits-a-review-of-the-evidence
#1
REVIEW
Lorna Jane Cook, Tibor Kovacs
The use of novel devices such as acellular dermal matrices (ADMs) to support the lower pole in implant-based breast reconstructions (IBBRs) has been described as one of the most important advances in breast reconstructive surgery following mastectomy. However, the majority of outcomes studies focus primarily on providing evidence for the rates of short-term complications associated with their use, as opposed to their reported benefits. Given the high costs associated with using ADMs, together with an increasing number of alternative, cheaper synthetic products entering the market, it is important to clarify whether their use is actually justified and whether the alternative products offer equivalent or superior outcomes...
2018: Ecancermedicalscience
https://www.readbyqxmd.com/read/29434209/long-term-follow-up-of-transvaginal-anatomical-implant-of-mesh-in-pelvic-organ-prolapse
#2
De-Yi Luo, Tong-Xin Yang, Hong Shen
Transvaginal mesh (TVM) is a minimally invasive but effective treatment for pelvic organ prolapse (POP). However, mesh exposure is a common and problematic complication after TVM. This study assessed the safety and long-term outcomes of TVM. A retrospective review was performed on the medical records of 175 consecutive patients who underwent TVM with the anatomical implant technique for pelvic organ prolapse at our center from April 2007 to December 2012. All operations were performed using TVM with the anatomical implant technique...
February 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29428035/the-state-of-prophylactic-mesh-augmentation
#3
Michael A Lanni, Michael G Tecce, Valeriy Shubinets, Michael N Mirzabeigi, John P Fischer
Prophylactic mesh augmentation (PMA) is the implantation of mesh during closure of an index laparotomy to decrease a patient's risk for developing incisional hernia (IH). The current body of evidence lacks refined guidelines for patient selection, mesh placement, and material choice. The purpose of this study is to summarize the literature and identify areas of research needed to foster responsible and appropriate use of PMA as an emerging technique. We conducted a comprehensive review of Scopus, Cochrane, PubMed, and <ext-link ext-link-type="uri" xlink:href="http://clinicaltrials...
January 1, 2018: American Surgeon
https://www.readbyqxmd.com/read/29420847/is-antimicrobial-photodynamic-therapy-effective-for-microbial-load-reduction-in-peri-implantitis-treatment-a-systematic-review-and-meta-analysis
#4
Renato Silva Fraga, Lívia Azeredo Alves Antunes, Karla Bianca Fontes, Erika Calvano Küchler, Natalia Lopes Pontes Póvoa Iorio, Leonardo Santos Antunes
The systematic review and meta-analysis were undertaken to evaluate the effectiveness of antimicrobial photodynamic therapy (aPDT) in the microbiological alteration beneficial to peri-implantitis treatment. This study is registered with PROSPERO, number CRD42017064215. Bibliographic databases including Cochrane Library, Web of Science, Scopus and PubMed were searched from inception to January 8, 2017. The search strategy was assembled from the following MeSH-Terms: "Photochemotherapy", "Dental Implants" and "Peri-Implantitis"...
February 8, 2018: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/29420401/cancer-risk-after-midurethral-sling-surgery-using-polypropylene-mesh
#5
Daniel Altman, Rebecca G Rogers, Li Yin, Karl Tamussino, Weimin Ye, Cheryl B Iglesia
OBJECTIVE: To assess whether there is any association between the implantation of synthetic polypropylene mesh slings for the treatment of stress urinary incontinence (SUI) and risk of cancer. METHODS: We performed a nationwide cohort study based on the general female population in Sweden. All women entered the observational period as unexposed on January 1, 1997, and contributed person-time as unexposed unless they underwent a midurethral sling procedure for SUI, after which they contributed person-time as exposed until first occurrence of any cancer, death, emigration, or end of the observational period (December 31, 2009)...
February 5, 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29419813/biodegradable-and-biocompatible-polyhydroxy-alkanoates-pha-auspicious-microbial-macromolecules-for-pharmaceutical-and-therapeutic-applications
#6
REVIEW
Martin Koller
Polyhydroxyalkanoates (PHA) are bio-based microbial biopolyesters; their stiffness, elasticity, crystallinity and degradability are tunable by the monomeric composition, selection of microbial production strain, substrates, process parameters during production, and post-synthetic processing; they display biological alternatives for diverse technomers of petrochemical origin. This, together with the fact that their monomeric and oligomeric in vivo degradation products do not exert any toxic or elsewhere negative effect to living cells or tissue of humans or animals, makes them highly stimulating for various applications in the medical field...
February 8, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29404670/single-stage-multi-level-construct-design-incorporating-ribs-and-chest-wall-reconstruction-after-en-bloc-resection-of-spinal-tumour
#7
Jianru Xiao, Shaohui He, Jian Jiao, Wei Wan, Wei Xu, Dan Zhang, Weibo Liu, Nanzhe Zhong, Tielong Liu, Haifeng Wei, Xinghai Yang
PURPOSE: Multi-level reconstruction incorporating the chest wall and ribs is technically demanding after multi-segmental total en bloc spondylectomy (TES) of thoracic spinal tumours. Few surgical techniques are reported for effective reconstruction. A novel and straightforward technical reconstruction through posterior-lateral approach was presented to solve the extensive chest wall defect and prevent occurrences of severe respiratory dysfunctions after performing TES. The preliminary outcomes of surgery were reviewed...
February 5, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29392506/benefits-of-laparoscopic-posterior-wall-suture-repair-in-treating-adolescent-indirect-inguinal-hernias
#8
S R Lee
PURPOSE: Adolescent inguinal hernias are treated using high ligation or posterior wall suture repair with laparoscopic mesh implantation. This study aimed to evaluate the efficacy of laparoscopic intracorporeal posterior wall suture repair without mesh implantation for treating adolescent indirect inguinal hernias. METHODS: Laparoscopic herniorrhaphy was performed between September 2012 and April 2015 in 244 patients aged 11-18 years who were diagnosed with indirect inguinal hernias at Damsoyu Hospital, Seoul, Korea...
February 1, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29391296/using-the-reversed-temporal-island-flap-to-cover-small-forehead-defects-from-titanium-mesh-exposure-following-cranial-reconstruction
#9
Jingyi Zhao, Guodong Song, Xianlei Zong, Xiaonan Yang, Le Du, Xiaoshuang Guo, Chenzhi Lai, Zuoliang Qi, Xiaolei Jin
BACKGROUND: Skin ulcers and alloplastic implant exposure are intractable complications that arise after cranial defect reconstruction. Many methods have been used to repair these defects, including skin grafting, local flaps, and free flaps; however, in most cases, alloplastic implants must be removed to control infections. Here, we describe the use of a reversed temporal island flap to repair exposed titanium mesh without removing it. METHODS: Eight cases of skin and titanium mesh exposure were included from 2010 to 2015...
January 29, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29382642/government-to-investigate-damage-caused-by-mesh-implants
#10
Abi Rimmer
No abstract text is available yet for this article.
January 30, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29381054/mesh-nanoelectronics-seamless-integration-of-electronics-with-tissues
#11
Xiaochuan Dai, Guosong Hong, Teng Gao, Charles M Lieber
Nanobioelectronics represents a rapidly developing field with broad-ranging opportunities in fundamental biological sciences, biotechnology, and medicine. Despite this potential, seamless integration of electronics has been difficult due to fundamental mismatches, including size and mechanical properties, between the elements of the electronic and living biological systems. In this Account, we discuss the concept, development, key demonstrations, and future opportunities of mesh nanoelectronics as a general paradigm for seamless integration of electronics within synthetic tissues and live animals...
January 30, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29376967/-diagnosis-and-treatment-of-seroma-after-anterior-abdominal-wall-hernia-repair-by-using-of-mesh-implant
#12
E N Degovtsov, P V Kolyadko
No abstract text is available yet for this article.
2018: Khirurgiia
https://www.readbyqxmd.com/read/29374612/a-large-multi-center-retrospective-research-on-embedded-cranioplasty-and-covered-cranioplasty
#13
Qiuming Zhang, Yikai Yuan, Xuepei Li, Tong Sun, Yicheng Zhou, Hang Yu, Junwen Guan
OBJECTIVE: Cranioplasty (CP) can be either embedded or covered, according to the implants used. However, determining which one is better in treating cranial defects is difficult. This study aimed to compare the clinical outcomes and complications of embedded CP and covered CP. METHODS: A multicenter retrospective study was carried out with patients who underwent CP with polyetheretherketone (PEEK) implants and titanium implants between January 2014 and March 2017...
January 25, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29368249/synthesis-and-characterisation-of-photocrosslinked-poly-ethylene-glycol-diacrylate-implants-for-sustained-ocular-drug-delivery
#14
Kathryn McAvoy, David Jones, Raghu Raj Singh Thakur
PURPOSE: To investigate the sustained ocular delivery of small and large drug molecules from photocrosslinked poly(ethylene glycol) diacrylate (PEGDA) implants with varying pore forming agents. METHODS: Triamcinolone acetonide and ovalbumin loaded photocrosslinked PEGDA implants, with or without pore-forming agents, were fabricated and characterised for chemical, mechanical, swelling, network parameters, as well as drug release and biocompatibility. HPLC-based analytical methods were employed for analysis of two molecules; ELISA was used to demonstrate bioactivity of ovalbumin...
January 16, 2018: Pharmaceutical Research
https://www.readbyqxmd.com/read/29352934/%C3%AE-cyclodextrin-phenylacetic-acid-mesh-as-a-drug-trap
#15
Hyeong Sup Yu, Jae Min Lee, Yu Seok Youn, Kyung Taek Oh, Kun Na, Eun Seong Lee
In this study, we developed a nanoporous biodegradable mesh, bioinspired by the spider web, which is prepared via electrospinning using γ-cyclodextrin (γ-CD) conjugated with phenylacetic acid (PA), named γ-CDP. The resulting γ-CDP has a microfibrous or microspherical shape and contains drug trap meshlike γ-CD pores. These γ-CDP micromeshes (microspheres or microfibers) enable efficient drug capture and drug transport into deep γ-CDP nanocompartments or out of the γ-CDP web, resulting in a driving domain for a 4-week drug release...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29351052/particulate-coral-hydroxyapatite-sheltered-by-titanium-mesh-for-localized-alveolar-rehabilitation-after-onlay-graft-failure-a-case-report
#16
Miao Zhou, Shuyi Li, Hendrik Terheyden, Shuaishuai Cao, Yuejuan Che, Yuanming Geng
Reconstruction of bone loss in the alveolar ridge has long been challenging. Autologous bone grafts are considered as the "golden standard", while little research has focused on how to repair pronounced alveolar bone defects after autologous bone graft failure. The aim of this study was to detail a method based on the titanium mesh technique coupled with particulate coral hydroxyapatite to solve the Onlay graft failure. With bone deficiency in the #11 and #24- #25 regions, we harvested two autologous bone blocks for reconstruction...
January 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29350744/preventing-mesh-pore-collapse-by-designing-mesh-pores-with-auxetic-geometries-a-comprehensive-evaluation-via-computational-modeling
#17
Katrina Knight, Pamela Moalli, Steven D Abramowitch
Pelvic organ prolapse meshes are exposed to predominately tensile loading conditions in vivo that can lead to pore collapse by 70-90%, decreasing overall porosity, and providing a plausible mechanism for the contraction/shrinkage of mesh observed following implantation. To prevent pore collapse, we proposed to design synthetic meshes with a macrostructure that results in auxetic behavior, the pores expand laterally, instead of contracting when loaded. Such behavior can be achieved with a range of auxetic structures/geometries...
January 19, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29340931/vascutrainer-a-mobile-and-disposable-bioreactor-system-for-the-conditioning-of-tissue-engineered-vascular-grafts
#18
Frederic Wolf, Diana M Rojas González, Ulrich Steinseifer, Markus Obdenbusch, Werner Herfs, Christian Brecher, Stefan Jockenhoevel, Petra Mela, Thomas Schmitz-Rode
In vitro tissue engineering of vascular grafts requires dynamic conditioning in a bioreactor system for in vitro tissue maturation and remodeling to receive a mechanically adequate and hemocompatible implant. The goal of the current work was to develop a bioreactor system for the conditioning of vascular grafts which is (i) able to create a wide range of flow, pressure and frequency conditions, including physiological ones; (ii) compact and easy to assemble; (iii) transportable; (iv) disposable. The system is driven by a small centrifugal pump controlled via a custom-made control unit, which can also be operated on batteries to allow for autonomous transportation...
January 16, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29335485/electron-beam-melting-in-the-fabrication-of-three-dimensional-mesh-titanium-mandibular-prosthesis-scaffold
#19
Rongzeng Yan, Danmei Luo, Haitao Huang, Runxin Li, Niu Yu, Changkui Liu, Min Hu, Qiguo Rong
The study was designed to fulfill effective work-flow to fabricate three-dimensional mesh titanium scaffold for mandibular reconstruction. The 3D titanium mesh scaffold was designed based on a volunteer with whole mandible defect. (1) acquisition of the CT data; (2) design with computer aided design (CAD) and finite element analysis (FEA). The pore size and intervals with the best mechanic strength was also calculated using FEA. (3) fabrication of the scaffold using electron beam melting (EBM); (4) implantation surgery...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29335394/landscape-of-oncoplastic-breast-surgery-across-poland
#20
Agnieszka Kolacinska, Diana Hodorowicz-Zaniewska, Artur Bocian, Dariusz Michalik, Rafal Matkowski, Andrzej Kurylcio, Pawel Pyka, Michal Charytonowicz, Maciej Berkan
Oncoplastic and reconstructive techniques are essential tools in the armamentarium of contemporary breast surgeons. The aim of the study was to identify oncoplastic reconstructive patterns in breast cancer centers across Poland. A questionnaire of 18 questions was sent by email to the members of the Polish Society of Surgical Oncology and the Polish Society of Plastic, Reconstructive and Esthetic Surgery via their dedicated websites. The numbers of breast cancer patients operated on in each center ranged from 120 to 904 per year...
December 30, 2017: Polski Przeglad Chirurgiczny
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