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https://www.readbyqxmd.com/read/28717790/soft-and-hard-tissue-response-%C3%A2-to-an-implant-with-a-convergent-%C3%A2-collar-in-the-esthetic-area-%C3%A2-preliminary-report-at-18-months
#1
Luigi Canullo, Marco Tallarico, Guillermo Pradies, Fabio Marinotti, Ignazio Loi, Roberto Cocchetto
AIM: The purpose of this prospective cohort study was to investigate, over an 18-month period, soft and hard tissue response to a transmucosal implant with a convergent collar inserted in the anterior maxillary esthetic area. MATERIALS AND METHODS: From June 2013 to January 2014, 14 consecutive patients were enrolled (7 men and 7 women; mean age 63.7 ± 14 years) with 20 implants, needing at least one implant-supported restoration between the canines in the maxillary anterior esthetic area...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28705523/early-volumetric-changes-after-vertical-augmentation-of-the-atrophic-posterior-mandible-with-interpositional-block-graft-versus-onlay-bone-graft-a-retrospective-radiological-study
#2
Antonio Barone, Paolo Toti, Giovan-Battista Menchini-Fabris, Pietro Felice, Saverio Marchionni, Ugo Covani
PURPOSE: The aim of this study was to evaluate volumetric and clinical outcomes of atrophic posterior mandibles treated with inlay or onlay bone grafting techniques. MATERIALS AND METHODS: In posterior mandibles, alveolar ridges were treated either with interpositional equine cancellous bone block (inlay group) or with onlay autogenous bone block (onlay group). Bone volumes at baseline and at 4 months after surgery were measured by computed tomography. RESULTS: A total of 20 subjects were enrolled in the present study: 10 in the inlay group and 10 in the onlay group...
January 25, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28689646/higher-m30-and-high-mobility-group-box-1-protein-levels-in-ex-vivo-lung-perfusate-are-associated-with-primary-graft-dysfunction-after-human-lung-transplantation
#3
Kohei Hashimoto, Marcelo Cypel, Stephen Juvet, Tomohito Saito, Ricardo Zamel, Tiago N Machuca, Michael Hsin, Hyunhee Kim, Thomas K Waddell, Mingyao Liu, Shaf Keshavjee
BACKGROUND: Ex vivo lung perfusion (EVLP) enables assessment of marginal donor lungs for transplantation, with similar clinical outcomes to conventional lung transplantation. We investigated whether cell death-related proteins in the EVLP perfusate could predict primary graft dysfunction (PGD) after transplantation. METHODS: M30 (indicating epithelial apoptosis), M65 (indicating total epithelial cell death), and high mobility group box 1 (HMGB-1, related to cell death and inflammation) protein levels in EVLP perfusate were measured by enzyme-linked immunosorbent assay and correlated with clinical outcomes...
June 21, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28689166/ocular-surface-cytokine-profile-in-chronic-stevens-johnson-syndrome-and-its-response-to-mucous-membrane-grafting-for-lid-margin-keratinisation
#4
Srividya Gurumurthy, Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal, Narayanasamy Angayarkanni
BACKGROUND: To study the tear cytokine and the conjunctival and oral mucosal marker profile in chronic ocular Stevens-Johnson syndrome (SJS) and their alteration following mucous membrane grafting (MMG) for lid margin keratinisation (LMK). METHODS: In a 1-year prospective study, SJS cases (n=25) and age-matched/sex-matched healthy controls (n=25) were recruited. Tear specimen (Schirmer's strip), conjunctival and oral mucosal imprints were collected from controls and SJS cases pre-MMG and post-MMG (at first follow-up, n=17)...
July 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28683053/assessing-the-safety-of-expanded-polytetrafluoroethylene-synthetic-grafts-in-living-donor-liver-transplantation-graft-migration-into-hollow-viscous-organs-diagnosis-and-treatment-options
#5
Shih-Chao Hsu, Ashok Thorat, Horng-Ren Yang, Kin-Shing Poon, Ping-Chun Li, Chun-Chieh Yeh, Te-Hung Chen, Long-Bin Jeng
BACKGROUND Our recent studies have highlighted the importance and safety of backtable venoplasty for middle hepatic vein (MHV) and inferior right hepatic veins (IRHV) reconstruction using expanded polytetrafluoroethylene (ePTFE) vascular grafts. In this study, we aim to analyze the complications associated with ePTFE graft use and discuss the management of the rare, but, potentially life threatening complications directly related to ePTFE conduits. MATERIAL AND METHODS From January 2012 to October 2015 a total of 397 patients underwent living donor liver transplantation (LDLT)...
July 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28682021/causes-and-surgical-outcomes-of-lower-eyelid-retraction
#6
Kun Hae Kim, Ji Sun Baek, Saem Lee, Jung Hye Lee, Hye Sun Choi, Sung Joo Kim, Jae Woo Jang
PURPOSE: To investigate the causes of lower eyelid retraction and evaluate the outcomes of various surgical procedures. METHODS: We conducted a retrospective medical record review of patients who underwent lower eyelid retraction surgery performed by a single surgeon at Kim's Eye Hospital between 2006 and 2013. We investigated the causes of lower eyelid retraction, clinical history, characteristics, treatment, and surgical outcomes. Preoperative and postoperative margin reflex distance 2 and inferior scleral show were measured for each eyelid...
July 4, 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28678580/reconstructive-subperiosteal-midface-lift-a-three-nonvisible-incision-approach
#7
Marco Sales-Sanz, Constanza Barrancos, Hae-Ryung Won-Kim, Andrea Sales-Sanz, César Colmenero
This article describes our surgical technique for subperiosteal midface elevation in patients with paralytic lower eyelid malposition or cicatricial inferior eyelid retraction. Nineteen patients with paralytic lower eyelid malposition and 15 patients with cicatricial inferior eyelid retraction underwent a subperiosteal midface lift (n = 34). The procedure was performed under local anesthesia through three nonvisible incisions. A transconjunctival incision allows preseptal dissection to the orbital rim, followed by a subperiosteal dissection of the midface...
July 5, 2017: Orbit
https://www.readbyqxmd.com/read/28678058/donors-after-circulatory-death-pancreas-transplantation
#8
Shruti Mittal, James Gilbert, Peter J Friend
PURPOSE OF REVIEW: The use of organs from donors after circulatory death (DCD) has become standard practice in solid organ transplantation of most abdominal organs and has been used successfully in some centres for pancreas transplantation. Nevertheless, concerns regarding poor graft outcomes and complications remain. This review aims to discuss the current state of DCD pancreas transplantation and the associated outcomes. RECENT FINDINGS: In many countries, whereas the number of donors after brainstem death (DBD) remains stable, the mean age and BMI have increased making these donors, previously considered to be low risk, now more marginal...
August 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28677938/alveolar-splitting-with-piezosurgery-bone-bank-grafts-and-nobelactive-implants-as-an-alternative-to-major-bone-grafting-for-maxillary-reconstruction
#9
Massimo Albanese, Giulia Ricciardi, Dario Donadello, Alessandra Lucchese, Federico Gelpi, Alessandro Zangani, Daniele DE Santis, Alessandro Rizzini, Alberto Rossetto, Dario Bertossi
BACKGROUND: Piezo-surgery represents a novel alternative technique. The Piezo-surgery is well tolerated and permits a large number of applications in decribed literature. The principle of piezo-surgery consists into inducing micro-vibrations to a metallic insert with a particular custom. The aim of this article is to study and to evaluate the use of Nobelactive implants in combination with piezosurgical split-crest technique in severe atrophy of the upper maxilla. This approach allows avoiding the use of onlay grafts, due to rise the trasversal width of the crestal bone, which could have more complications and uncertain prognosis...
July 4, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28673535/nipple-sparing-and-skin-sparing-mastectomy-review-of-aims-oncological-safety-and-contraindications
#10
Viviana Galimberti, Elisa Vicini, Giovanni Corso, Consuelo Morigi, Sabrina Fontana, Virgilio Sacchini, Paolo Veronesi
Skin-sparing (SSM) and nipple-sparing (NSM) mastectomies are relatively new conservative surgical approaches to breast cancer. In SSM most of the breast skin is conserved to create a pocket that facilitates immediate breast reconstruction with implant or autologous graft to achieve a quality cosmetic outcome. NSM is closely similar except that the nipple-areola complex (NAC) is also conserved. Meta-analyses indicate that outcomes for SSM and NSM do not differ from those for non-conservative mastectomies. Recurrence rates in the NAC after NSM are acceptably low (0-3...
June 30, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28670770/are-drowned-donors-marginal-donors-a-single-pediatric-center-experience
#11
Kayla R Kumm, N Thao N Galván, Sarah Koohmaraie, Abbas Rana, Michael Kueht, Katherine Baugh, Liu Hao, Dor Yoeli, Ronald Cotton, Christine A O'Mahony, John A Goss
Drowning, a common cause of death in the pediatric population, is a potentially large donor pool for OLT. Anecdotally, transplant centers have deemed these organs high risk over concerns for infection and graft dysfunction. We theorized drowned donor liver allografts do not portend worse outcomes and therefore should not be excluded from the donation pool. We reviewed our single-center experience of pediatric OLTs between 1988 and 2015 and identified 33 drowned donor recipients. These OLTs were matched 1:2 to head trauma donor OLTs from our center...
July 3, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28667741/coronal-advanced-flap-in-combination-with-a-connective-tissue-graft-is-the-thickness-of-the-flap-a-predictor-for-root-coverage-a-prospective-clinical-study
#12
Teresa Garcés, Josep Maria Carbonell, Lluis Vallcorba, Antonio Santos, Cristina Valles, Jose Nart
AIM: Evaluate if there is any relationship between the flap thickness and the presence of complete root coverage when performing coronally advanced flaps in combination with a connective tissue graft. MATERIAL AND METHODS: Prospective clinical study, in which multiple Miller class I and II recessions were treated with a coronally advanced flap and a connective tissue graft standardized at 1mm of thickness. Individual stents permitted repeated mesurements of conventional periodontal parameters at the same point...
July 1, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28658437/indications-and-visual-outcomes-of-intrastromal-corneal-ring-segment-implantation-in-a-large-patient-series
#13
Taíse Tognon, Mauro Campos, João Paulo Wengrzynovski, Kleyton Arlindo Barella, Adriano Pasqualotti, Luiz Antônio de Brito Martins, Adriana Dos Santos Forseto, Luciene Barbosa de Sousa
OBJECTIVES: To describe the indications for and visual outcomes of intrastromal corneal ring segment implantation. METHODS: A large retrospective case-series chart-review study was conducted using Sorocaba Ophthalmological Hospital medical records. This study included 1222 eyes (1196 patients) that were surgically treated between November 2009 and December 2012. The following preoperative data were collected: age, gender, type of medical care and funding source, surgical technique, best-corrected visual acuity, manifest sphere and cylinder refractive error, maximum and minimum central keratometry, and pachymetry measurements of the cornea at the thinnest point and at the ring channel...
June 2017: Clinics
https://www.readbyqxmd.com/read/28658181/a-prospective-randomized-comparison-of-lower-eyelid-retraction-repair-with-autologous-auricular-cartilage-bovine-acellular-dermal-matrix-surgimend-and-porcine-acellular-dermal-matrix-enduragen-spacer-grafts
#14
Anne Barmettler, Moonseoung Heo
PURPOSE: To compare outcomes of lower eyelid retraction repair with 3 types of spacer grafts: autologous auricular cartilage, bovine acellular dermal matrix (Surgimend, Integra, Plainsboro, NJ), porcine acellular dermal matrix (Enduragen, Stryker, Kalamazoo, MI). METHODS: A prospective, randomized clinical trial was conducted in patients undergoing lower eyelid retraction repair with spacer graft. Subjects received autologous auricular cartilage, bovine acellular dermal matrix, or porcine acellular dermal matrix between June 2015 and July 2016...
June 19, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28657945/expanding-the-margins-high-volume-utilization-of-marginal-liver-grafts-among-2000-liver-transplants-at-a-single-institution
#15
Karim J Halazun, Ralph C Quillin, Russel Rosenblatt, Advaith Bongu, Adam D Griesemer, Tomoaki Kato, Craig Smith, Fabrizio Michelassi, James V Guarrera, Benjamin Samstein, Robert S Brown, Jean C Emond
OBJECTIVE: Marginal livers (ML) have been used to expand the donor pool. National utilization of MLs is variable, and in some centers, they are never used. We examined the outcomes of MLs in the largest single center series of MLs used to date and compared outcomes to standard (SL) and living donor (LD) livers. METHODS: Analysis of a prospectively maintained database of all liver transplants performed at our institution from 1998 to 2016. ML grafts were defined as livers from donors >70, livers discarded regionally and shared nationally, livers with cold ischemic time >12 hours, livers from hepatitis C virus positive donors, livers from donation after cardiac death donors, livers with >30% steatosis, and livers split between 2 recipients...
June 27, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28656713/lateral-ridge-augmentation-with-two-different-ratios-of-deproteinized-bovine-bone-and-autogenous-bone-a-2-year-follow-up-of-a-randomized-and-controlled-trial
#16
Arne Mordenfeld, Hanna Aludden, Thomas Starch-Jensen
BACKGROUND: The optimal ratio of deproteinized bovine bone (DPBB) and autogenous bone (AB) for lateral augmentation is presently unknown. PURPOSE: To evaluate implant treatment outcome and radiological graft changes after lateral ridge augmentation with 2 different mixtures of DPBB and AB, 2 years after functional loading. MATERIALS AND METHODS: Thirteen patients were included in a split mouth, randomized, controlled trial. Four partially edentulous and 10 totally edentulous jaws with an alveolar ridge width of <4 mm were augmented with a graft mixture of 90:10 (DPBB:AB) on one side and 60:40 (DPBB:AB) on the contra lateral side...
June 28, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28653343/guided-bone-regeneration-at-zirconia-and-titanium-dental-implants-a-pilot-histological-investigation
#17
Goran I Benic, Daniel S Thoma, Ignacio Sanz-Martin, Fernando Munoz, Christoph H F Hämmerle, Antonio Cantalapiedra, Jens Fischer, Ronald E Jung
AIM: To test whether guided bone regeneration (GBR) of peri-implant defects at zirconia (ZrO2 ) implants differs from GBR at titanium (Ti) implants regarding the bone integration of the implant and of the grafting material. MATERIALS AND METHODS: Maxillary premolars and molars were extracted in seven dogs. After 5 months, four semi-saddle bone defects were created in each maxilla. Implant placement and simultaneous GBR were performed using the following randomly assigned modalities: (1) ZrO2 implant + deproteinized bovine bone mineral (DBBM) granules + a collagen membrane (CM), (2) ZrO2 implant + DBBM with 10% collagen matrix + CM, (3) ZrO2 implant + DBBM block + CM, and (4) Ti implant + DBBM granules + CM...
June 26, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28651898/remote-ischaemic-preconditioning-in-orthotopic-liver-transplantation-ripcolt-trial-a-pilot-randomized-controlled-feasibility-study
#18
Francis P Robertson, Rup Goswami, Graham P Wright, Charles Imber, Dinesh Sharma, Massimo Malago, Barry J Fuller, Brian R Davidson
BACKGROUND: Ischaemia Reperfusion (IR) injury is a major cause of morbidity, mortality and graft loss following Orthotopic Liver Transplantation (OLT). Utilising marginal grafts, which are more susceptible to IR injury, makes this a key research goal. Remote Ischaemic Preconditioning (RIPC) has been shown to ameliorate hepatic IR injury in experimental models. Whether RIPC can reduce IR injury in human liver transplant recipients is unknown. METHODS: Forty patients undergoing liver transplantation were randomized to RIPC or a sham...
June 23, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28650136/platform-switching-and-super-short-implants-an-effective-technique-to-manage-residual-jaws-bone-volume
#19
Graziano Montaruli, Michele Laurenziello, Lucio Lo Russo, Luigi Laino, Lorenzo Lo Muzio, Domenico Ciavarella
INTRODUCTION: Authors describe and analyze an implant-prosthetic rehabilitation of posterior partially edentulous jaw by using a super-short implant, according to the platform switching technique, on which a lithium disilicate made crown was cemented. METHODS: One event of partially edentulous jaw in 2.6 region needing implant-prosthetic rehabilitationwas selected for this treatment. Because of the lack of vertical bone, a super-short implant (6mm in diameter and 6mm in length) has been placed according to the platform switching technique by using surgical and prosthetic components lower in diameter compared to the diameter of the implant's platform...
June 23, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28650050/bilayered-nanofibrous-3d-hierarchy-as-skin-rudiment-by-emulsion-electrospinning-for-burn-wound-management
#20
Pallabi Pal, Prabhash Dadhich, Pavan Kumar Srivas, Bodhisatwa Das, Dhrubajyoti Maulik, Santanu Dhara
Mimicking skin extracellular matrix hierarchy, the present work aims to develop a bilayer skin graft comprising a porous cotton-wool-like 3D layer with membranous structure of PCL-chitosan nanofibers. Emulsion electrospinning with differential stirring periods of PCL-chitosan emulsion results in development of a bilayer 3D structure with varied morphology. The electrospun membrane has fiber diameter ∼274 nm and pore size ∼1.16 μm while fluffy 3D layer has fiber diameter ∼1.62 μm and pore size ∼62 μm...
June 26, 2017: Biomaterials Science
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