Search results for "Mente"

Minimally invasive cerebral cavernoma surgery using keyhole approaches - solutions for technique-related limitations.

2009

Cavernomas are often small in size and located in difficultly accessible regions. Preoperative identification of the ideal surgical approach as well as the precise intraoperative implementation of the surgical plan are of critical importance for successful surgery. While aiming for minimally invasive surgical techniques and maximally effective cavernoma resection, we envisaged that employing a combination of precise and technically sophisticated virtual reality surgery planning, modern navigation systems with augmented reality features and endoscope-assisted surgical techniques should contribute to achieve this goal. Between December 2002 and November 2005, 66 patients were operated on for …

Are mucous retention cysts and pseudocysts in the maxillary sinus a risk factor for dental implants? A systematic review

2020

Background Mucous retention cysts and pseudocysts of the maxillary sinus are benign lesions present in up to 13% of adult patients. Different surgical approaches for sinus lift and dental implant placement in the presence of these lesions have been proposed. Material and Methods A systematic review was performed following the PRISMA statement recommendations to answer the PICO question: Does the aspiration or removal of mucous retention cysts/pseudocysts before or during sinus lifting and dental implant placing, affect the survival of the implants? The study was pre-registered in PROSPERO (CRD42020185528). Included articles quality was assessed using the “NIH quality assessment tool” and “T…

Implementation of augmented reality in operative dentistry learning.

2017

Objective To evaluate the efficacy of augmented reality (AR) in the gaining of knowledge and skills amongst dental students in the design of cavity preparations and analyse their degree of satisfaction. Material and methods AR cavity models were prepared for use with computers and mobile devices. Forty-one students were divided into two groups (traditional teaching methods vs AR). Questionnaires were designed to evaluate knowledge and skills, with the administration of a satisfaction questionnaire for those using AR. The degree of compliance with the standards in cavity design was assessed. The Mann-Whitney U-test was used to compare knowledge and skills between the two groups, and the Wilc…

Florid fibroplasia in melanocytic lesions. A retrospective study.

2013

Effects of sex on naevus body distribution and melanoma risk in two melanoma case-control studies at different latitudes

2016

Naevus count is the most predictable phenotypic risk factor for melanoma and is mainly influenced by genetic factors1,2,3. Melanoma disparities according to gender have been reported in many studies in term of body distribution, survival and to a lesser extent incidence1,2. It is well established that women are more likely to get melanoma on the lower limbs, whilst men are more prone to melanoma on the trunk. In this study, we explore the effects of gender on the distribution of naevi on the body in melanoma cases and controls from different latitudes and whether the odds ratios for melanoma associated with naevi at different body sites are affected by gender. Two case control studies are c…

Total body skin examination for skin cancer screening in patients with focused complaints

2012

Background. The value of total body skin examination (TBSE) for skin cancer screening is controversial. Objective: We sought to determine whether TBSE could be helpful in patients with focused skin symptoms who would not otherwise have undergone TBSE. Methods: In a prospective, multicenter, cross-sectional study consecutive adult patients were recruited during a period of 18 months. Physicians first inspected, problem areas and uncovered areas and then performed TBSE. Equivocal lesions detected in both steps were excised or biopsied. Primary outcomes were the absolute and relative risks of missing skin cancer and the number of patients needed to examine to detect melanoma or another maligna…

The Usefulness of Dermoscopy for the Recognition of Malignant Collision Tumors.

2021

<b><i>Background:</i></b> Preoperative diagnosis of malignant collision tumors (MCT) is extremely difficult. The value of dermoscopy to improve the correct detection of these tumors has not been previously studied. This study aims to evaluate the diagnostic accuracy of MCT with and without dermoscopy and to describe the dermoscopic features of a large series of MCT. <b><i>Methods:</i></b> Dermoscopic images of 161 MCT were evaluated. Clinical and dermoscopic images of histopathologically proven MCT intermingled with other tumors were randomly presented to clinicians with different levels of experience, blinded to the diagnosis and objective of…

Trajectories of Blood Pressure Elevation Preceding Hypertension Onset: An Analysis of the Framingham Heart Study Original Cohort

2018

Importance Given that hypertension remains a leading risk factor for chronic disease globally, there are substantial ongoing efforts to define the optimal range of blood pressure (BP). Objective To identify a common threshold level above which BP rise tends to accelerate in progression toward hypertension. Design, Setting, and Participants This longitudinal, community-based epidemiological cohort study of adults enrolled in Framingham, Massachusetts, included 1252 participants (mean [SD] age, 35.3 [2.7] years) from the Framingham Original Cohort, of whom 790 (63.1%) were women. Each participant contributed up to 28 serial examinations of standardized resting BP measurements between 1948 and…

Treating Cockroach Phobia With Augmented Reality

2009

In vivo exposure is the recommended treatment of choice for specific phobias; however, it demonstrates a high attrition rate and is not effective in all instances. The use of virtual reality (VR) has improved the acceptance of exposure treatments to some individuals. Augmented reality (AR) is a variation of VR wherein the user sees the real world augmented by virtual elements. The present study tests an AR system in the short (posttreatment) and long term (3, 6, and 12 months) for the treatment of cockroach phobia using a multiple baseline design across individuals (with 6 participants). The AR exposure therapy was applied using the "one-session treatment" guidelines developed by Öst, Salko…

La necrópolis tardo-antigua del Tossal de les Basses (Alicante, España): tipología y primera aproximación interpretativa y cronológica

2015

Se presenta en este artículo un resumen del estudio pormenorizado que hemos realizado sobre una importante necrópolis tardo-antigua que, hoy por hoy y pese a su extensión y número total de individuos (cerca del millar), no puede vincularse con ningún núcleo urbano de importancia. Su desarrollo desde mediados del s. IV hasta la llegada de los musulmanes a inicios del s. VIII, y la aparición de un nuevo asentamiento y necrópolis alto-medieval en sus cercanías, hacen a esta necrópolis fundamental para entender la evolución de la zona con posterioridad a la desaparición en el s. III de la ciudad romana de Lucentum. Summary of detailed study we performed on a late ancient cementery were unable t…