Search results for " Ear"

Radiation exposure to the hands and the thyroid of the surgeon during intramedullary nailing.

1998

Abstract During 41 procedures of intramedullary nailing of femoral and tibial fractures, the primary surgeon and the first assistant wore ring dosimeters on their dominant index fingers. While the average fluoroscopy time per procedure was 4.6 min, the average dose of radiation to the dominant hand of the primary surgeon was 1.27 mSv and 1.19 mSv to the first assistant. The dose limit for the extremities is 500 mSv per year, as recommended by the International Commission on Radiological Protection. Extrapolation of the mean dose of the primary surgeon and first assistent per procedure of 1.23 mSv leads to the result that the recommended dose limit of 500 mSv would only be exceeded if more t…

Epidemiology and social costs of hip fracture.

2018

Hip fracture is an important and debilitating condition in older people, particularly in women. The epidemiological data varies between countries, but it is globally estimated that hip fractures will affect around 18% of women and 6% of men. Although the age-standardised incidence is gradually falling in many countries, this is far outweighed by the ageing of the population. Thus, the global number of hip fractures is expected to increase from 1.26 million in 1990 to 4.5 million by the year 2050. The direct costs associated with this condition are enormous since it requires a long period of hospitalisation and subsequent rehabilitation. Furthermore, hip fracture is associated with the devel…

Bovine gangliosides and acute motor polyneuropathy.

1992

Editorial for the Special Issue “Frontiers in Spectral Imaging and 3D Technologies for Geospatial Solutions”

2019

This Special Issue hosts papers on the integrated use of spectral imaging and 3D technologies in remote sensing, including novel sensors, evolving machine learning technologies for data analysis, and the utilization of these technologies in a variety of geospatial applications. The presented results showed improved results when multimodal data was used in object analysis.

Avaliação e intervenção da disortografia baseada na semiologia dos erros: revisão da literatura

2010

Submitted by Guilherme Lemeszenski (guilherme@nead.unesp.br) on 2013-08-22T19:05:48Z No. of bitstreams: 1 S1516-18462010000300017.pdf: 583780 bytes, checksum: a0c17d2616cfb0e7a5bc9d4ee1d9324b (MD5) Made available in DSpace on 2013-08-22T19:05:48Z (GMT). No. of bitstreams: 1 S1516-18462010000300017.pdf: 583780 bytes, checksum: a0c17d2616cfb0e7a5bc9d4ee1d9324b (MD5) Previous issue date: 2010-06-01 Made available in DSpace on 2013-09-30T20:09:42Z (GMT). No. of bitstreams: 2 S1516-18462010000300017.pdf: 583780 bytes, checksum: a0c17d2616cfb0e7a5bc9d4ee1d9324b (MD5) S1516-18462010000300017.pdf.txt: 38173 bytes, checksum: ec1de5a2fbd286f42d2010dd7b6e7acb (MD5) Previous issue date: 2010-06-01 Subm…

Ambient carbon monoxide and daily mortality:a global time-series study in 337 cities

2021

Background Epidemiological evidence on short-term association between ambient carbon monoxide (CO) and mortality is inconclusive and limited to single cities, regions, or countries. Generalisation of results from previous studies is hindered by potential publication bias and different modelling approaches. We therefore assessed the association between short-term exposure to ambient CO and daily mortality in a multicity, multicountry setting. Methods We collected daily data on air pollution, meteorology, and total mortality from 337 cities in 18 countries or regions, covering various periods from 1979 to 2016. All included cities had at least 2 years of both CO and mortality data. We estimat…

Particulate Matter Exposure and Attention-Deficit/Hyperactivity Disorder in Children: A Systematic Review of Epidemiological Studies

2019

Attention-deficit/hyperactivity disorder (ADHD) is the most common cognitive and behavioural disorder affecting children, with a worldwide-pooled prevalence of around 5%. Exposure to particulate matter (PM) air pollution is suspected to be associated with autism spectrum disorders and recent studies have investigated the relationship between PM exposure and ADHD. In the absence of any synthesis of the relevant literature on this topic, this systematic review of epidemiological studies aimed to investigate the relationship between the exposure of children to PM and ADHD and identify gaps in our current knowledge. In December 2018, we searched the PubMed and EMBASE databases. We only included…

Disposal Behavior of Used Masks during the COVID-19 Pandemic in the Moroccan Community: Potential Environmental Impact.

2021

The spread of coronavirus disease-2019 (COVID-19) levied on the Moroccan authorities to increase their mask production capacity, which reached up to 12 million facemask units produced per day. This increase in personal protective equipment (PPE) production and consumption is an efficient tool to address the spread of COVID-19. However, this results in more plastic and microplastic debris being added into the land and marine environments, which will harm the ecosystem, wildlife, and public health. Such a situation needs deep individual behavior observation and tracking, as well as an assessment of the potential environmental impact of this new type of waste. For this reason, we assessed the …

Wastewater-based epidemiology, a tool to bridge biomarkers of exposure, contaminants, and human health

2021

The concept of wastewater-based epidemiology also known as sewage epidemiology was proposed by Daughton in 2001. Wastewater-based epidemiology has become now a reality that makes it possible to determine consumption or exposure to chemical substances or pathogens in a population by measuring certain compounds (drugs of abuse, metabolites, or biomarkers) or microorganisms (viruses, bacteria, and parasites) in wastewater. The first and most developed application is the estimation of illicit drug consumption in communities or populations, but it can be used to measure both consumption and exposure to a wide range of substances and pathogens. Its recent application to measure the severe acute r…

Otoacoustic emissions: a new method to diagnose hearing impairment in children.

1993

Otoacoustic emissions (OAEs) are epiphenomena of sensitive, amplifying processes during hearing which can be detected in persons with normal inner ear function. They originate from the cochlea and are interpreted as an energy leakage of cochlear processes, perhaps resulting from active outer hair cell movements. OAEs travel from the cochlea through the middle ear to the external auditory canal where they can be detected using sensitive miniature microphones. Transient evoked (TEOAE) tests allow to otoacoustic emissions non-invasively check the integrity of the cochlea. In the neonatal period, registration of OAEs can be accomplished during natural sleep. In infants and neonates TEOAEs can b…