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Soft tissue augmentation

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https://www.readbyqxmd.com/read/28628686/off-face-usage-of-poly-l-lactic-acid-for-body-rejuvenation
#1
Ahmad Jabbar, Suleima Arruda, Neil Sadick
<p>Injectable soft-tissue augmentation agents have become popular alternatives to surgical procedures for the aging face and body. In contrast to temporary, space-occupying replacement fillers such as collagen-based and hyaluronic acid products, poly-l-lactic acid (PLLA) has been demonstrated to gradually promotes deposition of collagen via a biostimulatory response, with therapeutic effects lasting approximately two years. In 2004, the FDA approved its use for rejuvenation of facial contours secondary to lipoatrophy associated with antiretroviral therapy for HIV infection...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28604380/microsurgical-scia-siea-flap-for-facial-contour-correction-in-patient-with-hemifacial-microsomia
#2
Andrea Battisti, Andrea Cassoni Cassoni, Davina Bartoli, Marco Della Monaca, Giorgio Barbera, Edoardo Cerbelli, Valentino Valentini
AIM: We propose our experience in soft tissue reconstruction in Hemifacial microsomia using a free fascioadiposal flap. MATERIAL OF STUDY: Hemifacial microsomia (HFM) is a congenital disorder characterized by craniofacial malformation of one or both sides of the lower face. A 18-year-old female presented with hemifacial microsomia involving the left side. A free SCIA/SIEA fascioadiposal flap was transferred to the left face for soft tissue augmentation. RESULTS: The immediate postoperative course of the patient was uneventful, with no complication and adequate augmentation in contour deformity was achieved...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28591768/adipose-derived-stem-cells-in-aesthetic-surgery-a-mixed-methods-evaluation-of-the-current-clinical-trial-intellectual-property-and-regulatory-landscape
#3
Zeeshaan Arshad, Celine-Lea Halioua-Haubold, Mackenna Roberts, Fulvio Urso-Baiarda, Oliver A Branford, David A Brindley, Benjamin M Davies, David Pettitt
Background: Adipose tissue, which can be readily harvested via a number of liposuction techniques, offers an easily accessible and abundant source of adipose-derived stem cells (ASCs). Consequently, ASCs have become an increasingly popular reconstructive option and a novel means of aesthetic soft tissue augmentation. Objectives: This paper examines recent advances in the aesthetic surgery field, extending beyond traditional review formats to incorporate a comprehensive analysis of current clinical trials, adoption status, and the commercialization pathway...
June 7, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28585997/diagnosis-and-management-of-traumatic-patellar-instability-in-the-pediatric-patient
#4
Steven F DeFroda, Joseph A Gil, Alex Boulos, Aristides I Cruz
Instability of the patella is a common cause of knee pain and dysfunction in pediatric and adolescent patients and can be due to several factors. Although some patients will recall a specific traumatic event others may not, requiring the diagnosis to be made on the basis of physical examination and imaging. Congenital dislocation and connective tissue disorders should also be considered, even in the setting of trauma. There are radiographic parameters that may identify causes of instability such as trochlear and patellar abnormalities, and magnetic resonance imaging can identify signs of trauma such as bony edema, loose osteochondral fragments, and increased tibial tubercle-trochlear groove distance...
June 6, 2017: Orthopedics
https://www.readbyqxmd.com/read/28585321/delayed-onset-filler-complication-two-case-reports-and-literature-review
#5
Hyeree Kim, Sang Hyun Cho, Jeong Deuk Lee, Hei Sung Kim
Soft tissue augmentation by fillers has become a popular cosmetic tool to offer rejuvenation and aesthetic improvement. Its results are comparable to those previously achieved only by plastic surgery. However, marked increase of filler procedures is associated with a great number of complications. Complications associated with filler injection might have early onset (within days) or late onset (after weeks to years). Delayed complications include infections, foreign body granulomatous reaction, migration of filler material, persistent discoloration, and scarring...
June 6, 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/28584534/impact-of-virtual-microscopy-with-conventional-microscopy-on-student-learning-in-dental-histology
#6
Alka Harish Hande, Vidya K Lohe, Minal S Chaudhary, Madhuri N Gawande, Swati K Patil, Prajakta R Zade
BACKGROUND: In dental histology, the assimilation of histological features of different dental hard and soft tissues is done by conventional microscopy. This traditional method of learning prevents the students from screening the entire slide and change of magnification. To address these drawbacks, modification in conventional microscopy has evolved and become motivation for changing the learning tool. Virtual microscopy is the technique in which there is complete digitization of the microscopic glass slide, which can be analyzed on a computer...
March 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28575066/combined-application-of-arsenic-trioxide-and-lithium-chloride-augments-viability-reduction-and-apoptosis-induction-in-human-rhabdomyosarcoma-cell-lines
#7
Sabine B Schleicher, Julian J Zaborski, Rosa Riester, Natascha Zenkner, Rupert Handgretinger, Torsten Kluba, Frank Traub, Karen A Boehme
Rhabdomyosarcomas (RMS) are the most prevalent soft tissue sarcomas affecting children and adolescents. Despite intensive treatment consisting of multimodal chemotherapy and surgery RMS patients diagnosed with metastatic disease expect long term survival rates of only 20%. Often multidrug resistance arises upon initial response emphasizing the need for new therapeutic drugs to improve treatment efficiency. Previously, we demonstrated the efficacy of the FDA approved drug arsenic trioxide (ATO) specifically inhibiting viability and clonal growth as well as inducing cell death in human RMS cell lines of different subtypes...
2017: PloS One
https://www.readbyqxmd.com/read/28571286/staged-hard-and-soft-tissue-reconstruction-followed-by-implant-supported-restoration-in-the-aesthetic-zone-a-case-report
#8
Harinath Parthasarathy, Lakshmi Ramachandran, Anupama Tadepalli, Deepa Ponnaiyan
Alveolar ridge deficiency is a common clinical consequence following tooth loss due to chronic periodontitis complicating ideal implant placement. Advanced hard and soft tissue augmentation procedures have been developed in the recent past with predictable clinical outcomes. A male patient presented with a Grade III mobile upper right central incisor associated with advanced bone loss and soft tissue deficit. Following extraction of tooth #11, socket augmentation was done using an autogenous cortico-cancellous block graft and subsequent soft tissue augmentation was done with palatal connective tissue graft...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28571065/cheek-and-chin-implants-to-enhance-facelift-results
#9
Russell W H Kridel, Sagar Patel
The traditional rhytidectomy addresses facial and neck aging as it relates to soft tissue laxity. The modern volumetric facelift provides optimal results by addressing not only skin laxity but also the loss of volume secondary to tissue atrophy and bony resorption. While multiple techniques including fat grafting, dermal fillers, and tissue resuspension are used to correct the tissue loss, alloplastic midface augmentation remains the most permanent method. In our practice we often address midface cheek hollowness or atrophy with the placement of submalar implants at the time of rhytidectomy...
June 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28567342/functional-outcome-of-tibial-fracture-with-acute-compartment-syndrome-and-correlation-to-deep-posterior-compartment-pressure
#10
Saumitra Goyal, Monappa A Naik, Sujit Kumar Tripathy, Sharath K Rao
AIM: To measure single baseline deep posterior compartment pressure in tibial fracture complicated by acute compartment syndrome (ACS) and to correlate it with functional outcome. METHODS: Thirty-two tibial fractures with ACS were evaluated clinically and the deep posterior compartment pressure was measured. Urgent fasciotomy was needed in 30 patients. Definite surgical fixation was performed either primarily or once fasciotomy wound was healthy. The patients were followed up at 3 mo, 6 mo and one year...
May 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28566776/infected-nonunion-of-tibia
#11
Milind Madhav Chaudhary
Infected nonunions of tibia pose many challenges to the treating surgeon and the patient. Challenges include recalcitrant infection, complex deformities, sclerotic bone ends, large bone gaps, shortening, and joint stiffness. They are easy to diagnose and difficult to treat. The ASAMI classification helps decide treatment. The nonunion severity score proposed by Calori measures many parameters to give a prognosis. The infection severity score uses simple clinical signs to grade severity of infection. This determines number of surgeries and allows choice of hardware, either external or internal for definitive treatment...
May 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28566618/underlying-mechanisms-and-therapeutic-strategies-for-bisphosphonate-related-osteonecrosis-of-the-jaw-bronj
#12
Yasuo Endo, Hiroyuki Kumamoto, Masanori Nakamura, Shunji Sugawara, Teruko Takano-Yamamoto, Keiichi Sasaki, Tetsu Takahashi
Bisphosphonates (BPs), with a non-hydrolysable P-C-P structure, are cytotoxic analogues of pyrophosphate, bind strongly to bone, are taken into osteoclasts during bone-resorption and exhibit long-acting anti-bone-resorptive effects. Among the BPs, nitrogen-containing BPs (N-BPs) have far stronger anti-bone-resorptive effects than non-N-BPs. In addition to their pyrogenic and digestive-organ-injuring side effects, BP-related osteonecrosis of jaws (BRONJ), mostly caused by N-BPs, has been a serious concern since 2003...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28562185/hypoxia-biomimicry-to-enhance-monetite-bone-defect-repair
#13
Justin Drager, Jose Luis Ramirez-GarciaLuna, Abhishek Kumar, Uwe Gbureck, Edward J Harvey, Jake Barralet
Tissue hypoxia is a critical driving force for angiogenic and osteogenic responses in bone regeneration and is, at least partly, under the control of the Hypoxia Inducible Factor-1α (HIF-1α) pathway. Recently, the widely used iron chelator Deferoxamine (DFO) has been found to elevate HIF-1α levels independent of oxygen concentrations, thereby, creating an otherwise normal environment that mimics the hypoxic state. This has the potential to augment the biological properties of inorganic scaffolds without the need of recombinant growth factors...
May 31, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28555201/reconstruction-of-horizontovertical-alveolar-defects-presentation-of-a-novel-split-thickness-flap-design-%C3%A2-for-guided-bone-regeneration-%C3%A2-a-case-report-with-5-year-follow-up
#14
Peter Windisch, Anna Martin, Arvin Shahbazi, Balint Molnar
OBJECTIVE: To introduce a novel split-thickness flap design without periosteal and vertical releasing incisions for horizontovertical ridge augmentation. METHOD AND MATERIALS: Three patients with generalized chronic periodontitis presented posterior partial edentulism with class C alveolar defects according to the horizontal, vertical, and combination (HVC) classification. In all three cases, implant placement and simultaneous horizontovertical ridge augmentation utilizing a novel split-thickness flap design was performed...
2017: Quintessence International
https://www.readbyqxmd.com/read/28554106/chest-wall-reconstruction-following-axillary-breast-augmentation-and-desmoid-tumor-resection-using-capsular-flaps-and-a-form-stable-silicone-implant-a-case-report-diagnosis-and-surgical-technique
#15
Alexandre Mendonça Munhoz, Ary de Azevedo Marques, José Ribas Milanez, Rolf Gemperli
INTRODUCTION: Chest desmoid tumors (CDT) are rare lesions characterized by fibroblastic proliferation from the connective tissue. Although CDT have been studied previously, no cases following subfascial transaxillary breast augmentation (TBA) have been described. PRESENTATION OF CASE: The authors describe a case of CDT in a 28-year-old woman one year after TBA, which presented as a painful and progressive mass in the lower-inner right breast quadrant. MRI showed a soft-tissue tumor (6×3×4cm) that affected the region of the right anterior costal margin, without signs of structural costal invasion...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28551729/use-of-platelet-rich-fibrin-in-regenerative-dentistry-a-systematic-review
#16
REVIEW
Richard J Miron, Giovanni Zucchelli, Michael A Pikos, Maurice Salama, Samuel Lee, Vincent Guillemette, Masako Fujioka-Kobayashi, Mark Bishara, Yufeng Zhang, Hom-Lay Wang, Fatiha Chandad, Cleopatra Nacopoulos, Alain Simonpieri, Alexandre Amir Aalam, Pietro Felice, Gilberto Sammartino, Shahram Ghanaati, Maria A Hernandez, Joseph Choukroun
OBJECTIVES: Research across many fields of medicine now points towards the clinical advantages of combining regenerative procedures with platelet-rich fibrin (PRF). This systematic review aimed to gather the extensive number of articles published to date on PRF in the dental field to better understand the clinical procedures where PRF may be utilized to enhance tissue/bone formation. MATERIALS AND METHODS: Manuscripts were searched systematically until May 2016 and separated into the following categories: intrabony and furcation defect regeneration, extraction socket management, sinus lifting procedures, gingival recession treatment, and guided bone regeneration (GBR) including horizontal/vertical bone augmentation procedures...
July 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28549603/an-augmented-iterative-method-for-identifying-a-stress-free-reference-configuration-in-image-based-biomechanical-modeling
#17
Manuel K Rausch, Martin Genet, Jay D Humphrey
Continued advances in computational power and methods have enabled image-based biomechanical modeling to become an important tool in basic science, diagnostic and therapeutic medicine, and medical device design. One of the many challenges of this approach, however, is identification of a stress-free reference configuration based on in vivo images of loaded and often prestrained or residually stressed soft tissues and organs. Fortunately, iterative methods have been proposed to solve this inverse problem, among them Sellier's method...
May 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28548210/xenogeneic-collagen-matrix-versus-connective-tissue-graft-for-buccal-soft-tissue-augmentation-at-implant-site-a-randomized-controlled-clinical-trial
#18
Francesco Cairo, Luigi Barbato, Paolo Tonelli, Guido Batalocco, Gabriella Pagavino, Michele Nieri
BACKGROUND: Peri-implant soft tissue may be critical to prevent inflammation and promote gingival margin stability. The purpose of this randomized clinical trial (RCT) is to compare Xenogeneic Collagen Matrix (XCM) versus Connective Tissue Graft (CTG) to increase buccal soft tissue thickness at implant site. MATERIAL AND METHODS: Soft tissue augmentation with XCM (test) or CTG (control) was performed at 60 implants in 60 patients at the time of implant uncovering...
May 26, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28534175/-aseptic-loosening-of-total-ankle-replacement-two-stage-revision-with-bone-augmentation-of-osseous-defects-and-secondary-prosthesis-implantation
#19
A Barg, M Wiewiorski, V Valderrabano
OBJECTIVE: To remove loosened ankle prosthesis components, perform osseous defect augmentation, and reimplant definitive prosthesis components to preserve ankle range of motion. INDICATIONS: Aseptic loosening of the tibial and/or talar ankle prosthesis components with substantial bone defect. CONTRAINDICATIONS: General surgical/anesthesiological risks, infections, critical soft tissue conditions, nonmanageable hindfoot instability, neurovascular impairment of the lower extremity, neuroarthropathy, substantial nonreconstructable osseous defects with or without cysts on the tibial and/or talar side, noncompliance, primary total ankle replacement (TAR) using intramedullary fixation (stem fixation), severely reduced bone quality, insulin-dependent diabetes mellitus, smoking, unrealistic patients' expectations, high activity in sports...
June 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28521803/physical-interface-dynamics-alter-how-robotic-exosuits-augment-human-movement-implications-for-optimizing-wearable-assistive-devices
#20
Matthew B Yandell, Brendan T Quinlivan, Dmitry Popov, Conor Walsh, Karl E Zelik
BACKGROUND: Wearable assistive devices have demonstrated the potential to improve mobility outcomes for individuals with disabilities, and to augment healthy human performance; however, these benefits depend on how effectively power is transmitted from the device to the human user. Quantifying and understanding this power transmission is challenging due to complex human-device interface dynamics that occur as biological tissues and physical interface materials deform and displace under load, absorbing and returning power...
May 18, 2017: Journal of Neuroengineering and Rehabilitation
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