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William J Rifkin, Joshua A David, Natalie M Plana, Rami S Kantar, J Rodrigo Diaz-Siso, Bruce E Gelb, Daniel J Ceradini, Eduardo D Rodriguez
: The first facial transplantation in 2005 ushered in a new era in reconstructive surgery, offering new possibilities for the repair of severe disfigurements previously limited by conventional techniques. Advances in allograft design, computerized preoperative planning, surgical technique, and postoperative revisions have helped push the boundaries in this new frontier of vascularized composite allotransplantation. Over the past 12 years, 40 of these procedures have been performed across the world, offering the field the opportunity to reflect on current outcomes...
February 27, 2018: Annals of Surgery
Natalie M Plana, Jonathan P Massie, Jonathan M Bekisz, Elise M Fryml, Stuart Spore, J Rodrigo Diaz-Siso, Roberto L Flores
BACKGROUND: Currently, no consensus metric for measuring academic productivity within plastic surgery exists. The h-index is widely used, as it captures both the quantity and quality of an individual's contribution. However, discrepancies in online reporting make accurate h-index calculation challenging. This study highlights inconsistencies within plastic surgery by assessing differences in reporting of the h-index and other measures of academic productivity across online scientific databases...
March 2018: Plastic and Reconstructive Surgery
H S Sancakli, S H Siso, S O Yildiz, Y B Gökçe
Objective: The aim of this study was to evaluate the antibacterial surface pretreatment methods against Streptococcus mutans within the infected dentin surface using a tooth cavity model. Material and Methods: Seventy-two cavities were prepared on caries-free third molars (n = 8). After sterilization, teeth were inoculated with S. mutans for 48 h. One cavity of each tooth was used to evaluate the infection. Following inoculation, infected cavity surfaces were treated either with (1) Er:YAG Laser (1W; 5x5s, Smart 2940D Plus, Deka Laser), (2) Ozone (80s; HealOzone, Kavo), (3) ErYAG-Ozone combination, (4) Er:YAG-Ozone-CHX combination, (5) Chlorhexidine (CHX), (6) Clearfil Protect Bond (PB), (7) potassium-titanyl-phosphate (KTP) Laser (1W; 60 s, SMARTLITE D, Deka Laser), (8) KTP-Ozone combination, and (9) KTP-Ozone-CHX...
February 2018: Nigerian Journal of Clinical Practice
Rami S Kantar, William J Rifkin, J Rodrigo Diaz-Siso, G Leslie Bernstein, Eduardo D Rodriguez
No abstract text is available yet for this article.
January 2018: Plastic and Reconstructive Surgery. Global Open
Ángel Vizoso-Vázquez, Mónica Lamas-Maceiras, M Isabel González-Siso, M Esperanza Cerdán
Ixr1 is a Saccharomyces cerevisiae HMGB protein that regulates the hypoxic regulon and also controls the expression of other genes involved in the oxidative stress response or re-adaptation of catabolic and anabolic fluxes when oxygen is limiting. Ixr1 also binds with high affinity to cisplatin-DNA adducts and modulates DNA repair. The influence of Ixr1 on transcription in the absence or presence of cisplatin has been analyzed in this work. Ixr1 regulates other transcriptional factors that respond to nutrient availability or extracellular and intracellular stress stimuli, some controlled by the TOR pathway and PKA signaling...
February 15, 2018: Scientific Reports
Christopher D Lopez, J Rodrigo Diaz-Siso, Lukasz Witek, Jonathan M Bekisz, Bruce N Cronstein, Andrea Torroni, Roberto L Flores, Eduardo D Rodriguez, Paulo G Coelho
BACKGROUND: Vascularized bone tissue transfer, commonly used to reconstruct large mandibular defects, is challenged by long operative times, extended hospital stay, donor-site morbidity, and resulting health care. 3D-printed osseoconductive tissue-engineered scaffolds may provide an alternative solution for reconstruction of significant mandibular defects. This pilot study presents a novel 3D-printed bioactive ceramic scaffold with osseoconductive properties to treat segmental mandibular defects in a rabbit model...
March 2018: Journal of Surgical Research
Natalie M Plana, J Rodrigo Diaz-Siso, Derek M Culnan, Court B Cutting, Roberto L Flores
INTRODUCTION: Parallel to worldwide disparities in patient access to health care, the operative opportunities of surgical trainees are increasingly restricted across the globe. Efforts have been directed toward enhancing surgical education outside the operating room and reducing the wide variability in global trainee operative experience. However, high costs and other logistical concerns may limit the reproducibility and sustainability of nonoperative surgical education resources. METHODS: A partnership between the academic, nonprofit, and industry sectors resulted in the development of an online virtual surgical simulator for cleft repair...
January 1, 2018: Cleft Palate-craniofacial Journal
Luisa Vera Muscatello, Giancarlo Avallone, Fabienne Serra, Torsten Seuberlich, Maria Teresa Mandara, Silvia Sisó, Barbara Brunetti, Anna Oevermann
Choroid plexus tumors (CPT) are intraventricular neoplasms accounting for 10% of all primary central nervous system tumors in dogs. They are frequently classified according to the human WHO classification into choroid plexus papilloma (CPP, grade I), atypical CPP (aCPP, grade II), and choroid plexus carcinoma (CPC, grade III). Histological features observed in canine CPT such as increased vascular density (IVD) and glomeruloid microvascular proliferation (GMVP) are not part of the WHO classification. This multi-centric study aimed to investigate tumor-associated vascular hyperplasia in dogs by determining the prevalence of GMVP and IVD in 52 canine CPT and their association with tumor grade...
January 1, 2018: Veterinary Pathology
Rami S Kantar, Natalie M Plana, Court B Cutting, Jesus Rodrigo Diaz-Siso, Roberto L Flores
BACKGROUND: In October 2012, a freely available, internet-based cleft simulator was created in partnership between academic, nonprofit, and industry sectors. The purpose of this educational resource was to address global disparities in cleft surgery education. This report assesses demographics, usage, and global effect of our simulator, in its fifth year since inception. OBJECTIVE: Evaluate the global effect, usage, and demographics of an internet-based educational digital simulation cleft surgery software...
January 29, 2018: Journal of Surgical Education
Natalie M Plana, João Malta Barbosa, J Rodrigo Diaz-Siso, Lawrence E Brecht, Eduardo D Rodriguez
BACKGROUND: Facial transplantation (FT) is a challenging reconstructive endeavor that requires the expertise of a multidisciplinary team. The specific role of maxillofacial prosthodontists has not yet been reported in detail. METHODS: This review considers the contributions of prosthodontists throughout the FT process, from patient selection and dental evaluation to long-term dental rehabilitation of the transplant patient postoperatively. Moreover, considerations of dental management are evaluated...
February 2018: Journal of the American Dental Association
Natalie M Plana, Laura L Kimberly, Brendan Parent, Kimberly S Khouri, J Rodrigo Diaz-Siso, Elise M Fryml, Catherine C Motosko, Daniel J Ceradini, Arthur Caplan, Eduardo D Rodriguez
BACKGROUND: Despite the growing success of facial transplantation, organ donor shortages remain challenging. Educational health campaigns can effectively inform the general public and institute behavioral modifications. A brief educational introduction to facial transplantation may positively influence the public's position on facial donation. METHODS: The authors anonymously surveyed 300 participants, gathering basic demographic information, donor registration status, awareness of facial transplantation, and willingness to donate solid organs and facial allografts...
January 2018: Plastic and Reconstructive Surgery
An-Ming Kang, Hong-Sen Yan
Though many studies are focused on the stabilization of nonlinear systems with time-varying delay, they fail to involve the dynamic regulation without on-line optimization commonly. For this sake, feedback linearization, Lyapunov-Razumikhin theorem and polynomial approximation theorem are employed here to verify that the multi-dimensional Taylor network (MTN) controller can stabilize the single input single output (SISO) nonlinear time-varying delay systems through dynamic regulation of the system output with no need for on-line optimization...
December 14, 2017: ISA Transactions
Pilar Brito-Zerón, Nihan Acar-Denizli, Antoni Sisó-Almirall, Xavier Bosch, Fernanda Hernández, Sergi Vilanova, Mireia Villalta, Belchin Kostov, Marina Paradela, Marcelo Sanchez, José Ramírez, Africa Muxí, Antonio Berruezo, Celeste Galceran-Chaves, Antoni Xaubet, Carles Agustí, Jacobo Sellarés, Manuel Ramos-Casals
PURPOSE: To evaluate comorbidity, complexity and poor outcomes in patients with sarcoidosis and to compare those scores with a control group. METHODS: 218 consecutive patients were diagnosed with sarcoidosis according to the ATS/ERS/WASOG criteria; extrathoracic involvement was evaluated using the 2014 WASOG organ assessment instrument. Sarcoidosis patients were compared with an age- and gender-matched control group of primary care outpatients without sarcoidosis...
December 11, 2017: Lung
Laura Llobet Vila, Josep Maria Manresa Domínguez, José Manuel Carmona Segado, Alícia Franzi Sisó, Rosa Vallès Balasch, Isabel Martínez Díaz
OBJECTIVES: 1-To know the preventive prescription (statin, antiplatelet drugs, bisphosphonates, calcium and vitamin D and Vit B12) of elderly patients previously identified as a CCD (with a complex chronic disease) and ACD (with advanced chronic disease and lifetime expectancy of less than 12 months) who died during 2015. 2-To assess the correct indication of Proton Pump Inhibitors (PPI) to determine potentially avoidable medication. DESIGN: Retrospective observational study...
December 5, 2017: Atencion Primaria
Christian Siso, Juan de Torres, Antonio Esgueva-Colmenarejo, Martin Espinosa-Bravo, Neus Rus, Octavi Cordoba, Roberto Rodriguez, Vicente Peg, Isabel T Rubio
BACKGROUND: The accuracy of sentinel lymph node biopsy (SLNB) after neoadjuvant therapy (NAT) has been improved with the placement of a clip in the positive node prior to treatment. Several methods have been described for clipped node excision during SLNB after NAT. We assessed the feasibility of intraoperative ultrasound (IOUS)-guided excision of the clipped node during SLNB and investigated whether the accuracy of SLNB is improved. METHODS: After approval by the Institutional Ethics Committee, all breast cancer patients undergoing NAT had an US-visible clip placed in the positive node...
March 2018: Annals of Surgical Oncology
Cristina Blánquez Moreno, Cristina Colungo Francia, M Carme Alvira Balada, Belchin Kostov, Luis González-de Paz, Antoni Sisó-Almirall
AIM: To determine the impact of an educational program to improve the management of chronic obstructive pulmonary disease (COPD) that contributes to an increase of the quality of life, exercise capacity, level of dyspnoea, and clinical risk. DESIGN: Intervention study without controls. LOCATION: Primary Healthcare Centre. PARTICIPANTS: 193 patients with COPD were invited, 73 accepted and 55 participated in the educational program...
October 4, 2017: Atencion Primaria
R Sanz, P García, P Albertos
In this work, a generalization of the Smith Predictor (SP) is proposed to control linear time-invariant (LTI) time-delay single-input single-output (SISO) systems. Similarly to the SP, the combination of any stabilizing output-feedback controller for the delay-free system with the proposed predictor leads to a stabilizing controller for the delayed system. Furthermore, the tracking performance and the steady-state disturbance rejection capabilities of the equivalent delay-free loop are preserved. In order to place this contribution in context, some modifications of the SP are revisited and recast under the same structure...
October 4, 2017: ISA Transactions
Harshad Keskar, B Venkatesham
The prediction of transmission loss characteristics of a short chamber requires the study of both longitudinal as well as transverse modes. This prompts the development of a three-dimensional (3D) transfer matrix, which can address the wave propagation in all three directions. Accordingly, an analytical methodology for transmission loss characteristics of an annular cavity using Green's function method is presented in this paper. The 3D wave equation is used to derive the mode shape functions for the cavity...
September 2017: Journal of the Acoustical Society of America
S H Siso, N Dönmez, D S Kahya, Y S Uslu
OBJECTIVE: The aim of this study was to investigate the effect of calcium phosphate containing desensitizing pretreatments on the microtensile bond strength (MTBS) and microleakage of the multimode adhesive agent to dentin. MATERIALS AND METHODS: In this study, twelve noncarious, freshly extracted human third molar teeth for MTBS and 20 premolar teeth for the microleakage test were used. The teeth were restored using Clearfil Universal Bond + Clearfil APX and Teeth mate Desensitizer (TMD)...
August 2017: Nigerian Journal of Clinical Practice
Raphael Hermano Santos Diniz, Juan C Villada, Mariana Caroline Tocantins Alvim, Pedro Marcus Pereira Vidigal, Nívea Moreira Vieira, Mónica Lamas-Maceiras, María Esperanza Cerdán, María-Isabel González-Siso, Petri-Jaan Lahtvee, Wendel Batista da Silveira
The thermotolerant yeast Kluyveromyces marxianus displays a potential to be used for ethanol production from both whey and lignocellulosic biomass at elevated temperatures, which is highly alluring to reduce the cost of the bioprocess. Nevertheless, contrary to Saccharomyces cerevisiae, K. marxianus cannot tolerate high ethanol concentrations. We report the transcriptional profile alterations in K. marxianus under ethanol stress in order to gain insights about mechanisms involved with ethanol response. Time-dependent changes have been characterized under the exposure of 6% ethanol and compared with the unstressed cells prior to the ethanol addition...
September 2017: Applied Microbiology and Biotechnology
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