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Parents should avoid buying children toys with magnets for Christmas, pediatric surgeons urge

Jacob Scott

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Pediatric surgeons are urging parents not to buy toys that include small, often brightly colored magnets as Christmas presents, following a dramatic rise in the number of children needing operations after swallowing them.


The Children’s Surery Foundation issued the warning as research showed a five-fold increase in children swallowing magnets in the last five years.


Mr Hemanshoo Thakkar, consultant pediatric surgeon at Evelina London Children’s Hospital, Guy’s and St Thomas’ NHS Foundation Trust, London (UK), says: “This year alone Evelina London has seen 15 new cases of children swallowing magnets and have operated on seven of them, a couple of whom were very unwell.”


Research carried out in four major hospitals in south-east England found that 251 children were admitted after swallowing foreign objects between 2016-2020. Of these, 37% were coins (93 cases), 21% were magnets (52 cases) and 17% were button batteries (42 cases).


During this period, there was a five-fold increase in the number of children who swallowed magnets, most of which were brightly-colored matchstick-shaped pieces found in children’s building sets. More than 40% of the children needed surgery and in half of the cases the children experienced complications as their intestines had holes in them, which led to infections.”


Mr Hemanshoo Thakkar, consultant pediatric surgeon, Evelina London Children’s Hospital, Guy’s and St Thomas’ NHS Foundation Trust, London


Only 2% of children swallowing button batteries required surgery, but 42% of those who swallowed magnets required either keyhole surgery (laparoscopy) or more invasive laparotomy, which involves incisions in the abdominal wall to gain access to the gut.


“If children swallow one magnet it will probably pass through their body harmlessly but if they swallow two or more magnets, especially at different times, the magnets, which are increasingly very powerful, are forced together in the intestines, squeezing the tissue so that the blood supply is cut off. Significant damage can be caused within hours with holes being made in the children’s intestines which cause the children to be unwell, and sometimes seriously ill, with many requiring complex operations to remove the magnets and requiring long periods of recovery time in hospital,” says Mr Thakkar.


Trustee of The Children’s Surgery Foundation, Miss Caroline Pardy, a pediatric surgeon at Evelina London Children’s Hospital, says “The increasing number of referrals we receive regarding children who have swallowed multiple magnets is very worrying. Fortunately, the majority can be monitored using x-rays to follow the passage of the magnets out of the bowel and can avoid surgery, but we have seen a number of children who have become seriously unwell, particularly in young non-verbal children and in whom the magnet ingestion has not been recognized. I have also spoken to many parents who are very angry that their child has swallowed the magnets whilst at school. Such magnets are sometimes used as ‘sensory’ toys for children with additional needs. In other circumstances the magnets have been brought into school by other children. I would urge all schools to ban such magnets, regardless of the age of the children.


“The majority of children whom I have managed with ingested magnets are of an age that parents may not feel are at risk of doing this. They are also usually embarrassed, and even when the magnets have been identified on an x-ray will often deny the ingestion. This reluctance to tell a parent is also dangerous, because the ingestion may go unrecognized for a longer period resulting in greater potential risk.”


The surgeons say they are seeing children as young as two years old who have swallowed magnets, but also teenagers. The average age of children being admitted to hospital after swallowing magnets is seven years.


Mr Thakkar adds: “These magnets are promoted on several websites and on social media. We are seeing some children who follow influencers on TikTok who use magnets to create false piercings on their tongues and cheeks and when the children have copied them, they have accidentally swallowed the magnets.”


Mr Munther Haddad, chairman of The Children’s Surgery Foundation, President of the British Association of Paediatric Surgeons (BAPS) and a consultant pediatric and neonatal surgeon at the Chelsea and Westminster Hospital, Imperial College Healthcare NHS Trust, says: “Our main message especially in the build up to Christmas, is not to buy your children toys with magnets in them. If families already have toy magnets at home it is essential children are supervised carefully when they are playing with them and if the children are old enough, please warn them of the dangers of swallowing magnets.


“There is a statutory requirement within the UK, specified in The Magnetic Toys (Safety) Regulations 2008, for all magnetic toys sold to be accompanied by a warning, but most manufacturers do not display these. This means that many parents don’t realize the problems magnets can cause until their children end up in hospital.”


Jimmy Bui, aged two, from Ramsgate in Kent, required open surgery in June this year after swallowing three magnets.


His father, Hung Bui, says: “Jimmy swallowed tiny magnets used to stick a note onto the fridge. He started to get tired and then stopped eating and going to the toilet, so we took him to our local A&E.


“We had no idea that he had swallowed three of the magnets until we saw it on the x-ray.


The 33-year-old adds: “The magnets had stuck together causing a hole in Jimmy’s bowel. He was transferred to Evelina London Children’s Hospital for open surgery and spent three weeks recovering there.


“We are always very careful, but this still happened, so I want to warn other parents out there to be very vigilant. I would urge them not to buy toys containing these magnets. We don’t have any of these magnets in our household anymore.”

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Genetic bottlenecks could impact Wyoming toads’ ability to respond to new pathogens

Jacob Scott

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A new study from North Carolina State University examines immune system diversity in the critically endangered Wyoming toad and finds that genetic bottlenecks could impact a species’ ability to respond to new pathogens. The findings could inform captive breeding strategies for endangered animal populations.

The Wyoming toad, Anaxyrus baxteri, suffered a severe population decline throughout the latter part of the 20th century due to factors including habitat destruction and fungal infection. The toad was brought into a captive breeding program in the 1990s in order to save the species. Scientists estimate a current wild population of only 400 to 1,500 animals, meaning that the toad is considered critically endangered.

Population reduction in this species created a genetic bottleneck to begin with, meaning the level of genetic diversity is already very small. This is the first study to look specifically at genetic diversity in the immune systems of these toads and how it could impact them as a population.”

Jeff Yoder, professor of comparative immunology at NC State and co-corresponding author of paper

Yoder, with co-corresponding author Alex Dornburg of the University of North Carolina at Charlotte, performed RNA sequencing on immune tissues from three healthy, retired Wyoming toad breeders. Study co-author Michael Stoskopf, who was on the Wyoming Toad Recovery Implementation Team established in 2008, obtained the samples.

“We were focused specifically on sequences encoding toll-like receptors – TLRs – and the proteins of the major histocompatibility complex, or MHC, expressed in these tissues,” says Kara Carlson, first author of the study and current Ph.D. candidate at NC State. “These sets of genes are major components of the immune system.”

TLRs are the first responders of the immune system, and are similar, or well-conserved, between species. The MHC, on the other hand, is a large and diverse group of genes that varies between species and individuals. It can determine why one group is more resistant to a particular pathogen than another.

“MHC genes are some of the most rapidly evolving sequences in the genome,” Carlson says. “So in a healthy population there’s a lot of variety that gets passed along to descendants, enabling the species at large to adapt to different pathogens. However, if disease survivors do so because of their MHC, then that group would have a similar MHC.

“The Wyoming toads that were brought into captivity to save the species were all able to resist the fungus that had decimated the population, but that could mean that their immune diversity is reduced.”

The researchers compared the TLR and MHC of the three Wyoming toads to each other, as well as to samples from a common toad and a cane toad. Both the common toad and the cane toad showed more MHC diversity than the Wyoming toad, even though the cane toad underwent a similar genetic bottleneck.

“The small sample size in this study – which was unavoidable due to the endangered status of the toad – nevertheless lays an important framework for conservation,” Carlson says.

“Amphibians in general don’t have as many genomic resources as other organisms,” Yoder says. “And captive breeding from a small population further decreases genetic diversity. But while these toads may be better protected against the fungal infection that nearly wiped them out, they may not be equipped to deal with new pathogens down the road.”

“While we weren’t necessarily surprised by the lack of immunogenic diversity in the Wyoming toad, it does spark an important question,” Dornburg says. “How equipped are other species of conservation concern for a battle with an emergent pathogen?”

“By understanding the genetic diversity of the immune system we can inform captive breeding to increase the chance of a species to resist disease in the wild,” Yoder adds. “Studies like this one are invaluable for captive breeding practices going forward.”

Source:
Journal reference:

Carlson, K.B., et al. (2022) Transcriptome annotation reveals minimal immunogenetic diversity among Wyoming toads, Anaxyrus baxteri. Conservation Genetics. doi.org/10.1007/s10592-022-01444-8.

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Video conferencing hinders creativity

Jacob Scott

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In-person teamwork has now transformed into virtual collaboration due to the COVID-19 pandemic. But does this affect innovation and creativity?

An interesting study on virtual communication led by Dr. Melanie S. Brucks from Columbia University and Prof. Jonathan Levav from Stanford University is published in the journal Nature. The study examines whether videoconferencing affects creative idea generation.

Study: Virtual communication curbs creative idea generation. Image Credit: Andrey_Popov / Shutterstock

Communication and collaboration

Collaboration is essential for several workplace tasks. It leads to innovation and idea generation. Historically, these collaborations have been in-person and required sharing of the same physical space. The use of traditional communication technologies like letters, emails, and phone calls hinder the smooth exchange of information and limits collaboration.

Now, due to advances in audio-visual technology, face-to-face interaction is possible via videoconferencing, allowing virtual collaboration. Videoconferencing has replaced in-person interactions due to pandemic-driven social distancing. Video interaction and in-person interaction allow communication of the same information.

While videoconferencing replacing in-person interaction has been beneficial in the social scenario, does it come with a cost in the workplace scenario? For example, does it affect collaborative idea generation?

Experiments

The investigators performed a Laboratory experiment and a field experiment to test the difference between in-person interaction and videoconferencing in collaborative idea generation. First, they recruited participants and divided them into pairs: half of the pairs were assigned to an in-person setting, and the rest were assigned to a virtual setting.

Laboratory experiment

A total of 602 participants were recruited for the laboratory experiment and divided into pairs. The participants were in separate rooms in the virtual setting and communicated through videoconferencing. The pairs were allotted five minutes to generate creative uses for a frisbee (150 pairs) or bubble wrap (151 pairs) and then one minute to select their most innovative idea.

The pairs were evaluated by counting the number of creative ideas and ideas they generated. The virtual pairs generated significantly fewer total and creative ideas compared to in-person pairs.

So, virtual collaboration hampered creative ideas. This could be because the virtual space narrows the visual scope, which in turn narrows the cognitive scope. To assess the visual focus, two methods were used. Firstly, the participants had to recollect the individual props in the room and point them on a worksheet. Secondly, the participants’ eye gaze was recorded during the experiment.

The virtual pairs narrowed their focus to the screen. Compared to in-person pairs, they spent significantly more time looking directly at their partner and less time looking at the surrounding room, and remembered significantly fewer props in the surrounding room.

As a consequence, the virtual medium narrowed the visual focus and inhibited the generation of ideas.

However, these results are in the context of a controlled laboratory setting.

Field experiment

The experiment was repeated in ‘the field’ under actual work conditions within a large multinational telecommunications company to see if these results could be extrapolated to the real world. The field experiment was conducted in five country sites – in Europe, the Middle East, and South Asia. In this setting, the participants knew their partners and used video conferencing regularly for work. Moreover, it included domain experts highly invested in the outcome of the collaboration.

A total of 1,490 engineers were recruited to participate in an ideation workshop and randomly divided into pairs. The pairs were allotted an hour to generate product ideas and submit one idea as future product innovation for the company.

The engineer pairs who worked on the task virtually generated fewer total ideas and creative ideas than in-person pairs at all five sites.

However, the decision quality was not affected by virtual collaboration. The in-person pairs generated a significantly higher top-scoring idea, but the selected idea did not significantly differ in quality between the virtual pairs and in-person pairs.

Other reasons for reduced creativity

The could be other reasons why virtual collaboration negatively affected idea generation. Therefore, the investigators explored the alternative explanations.

More ideas

Since the in-person collaborators generated more total and creative ideas than the virtual collaborators, they could generate additional ideas similar to each other. However, upon semantic analysis, it was observed that they generated diverse and disconnected ideas.

Feelings of connection and trust

Studies have shown that feelings of connection and trust can foster team creativity. The virtual pairs may have reduced feelings of connection and trust toward their partner.

However, when assessed for subjective feelings of closeness, verbal and non-verbal behaviors, and mimicry, the virtual pairs were similar to in-person pairs in the laboratory experiment.

Thus, virtual and in-person interactions are very similar in terms of social connection or social behavior.

Communication coordination

Usually, there is a lack of coordination in a conversation in virtual interactions due to the absence of eye contact. However, it could not wholly explain the effect of virtual interaction on idea generation.

Interpersonal processes

This study also assessed the effect of interpersonal processes on idea generation. Interpersonal processes fear of evaluation, dominance, social facilitation, social loafing, social sensitivity, perceptions of performance, and production blocking were affected in virtual collaborations and these, in turn, affected idea generation.

Implications of the study

This study supports previous research suggesting that pairs perform better than large groups, both in-person and online. Therefore, this study recommends ideation in pairs and in person. Also, this study suggests that larger videoconferencing screens would not impact idea generation.

In-person collaborations offer a cognitive advantage. Now several workplaces are moving towards a hybrid setup. This study indicates that the creative idea generation should be reserved for in-person meetings.

Journal reference:
Brucks, M.S., Levav, J. (2022) Virtual communication curbs creative idea generation. Nature. https://doi.org/10.1038/s41586-022-04643-y, https://www.nature.com/articles/s41586-022-04643-y

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Gum Health Day 2022 calls for prevention, early detection, and effective treatment of gum diseases

Jacob Scott

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“Treat your gums” is the slogan for Gum Health Day 2022, a worldwide awareness campaign organized by the European Federation of Periodontology (EFP). The event aims to inform the public of the detrimental effects of gum diseases – gingivitis, periodontitis, peri-implant mucositis, and peri-implantitis – on both oral and overall health. The campaign calls for the prevention, early detection, and – where necessary – effective treatment of gum diseases.

Although still poorly acknowledged by the public, gum diseases are chronic inflammatory conditions affecting a high proportion of adults worldwide, causing tooth loss and other problems in the mouth. Crucially, gum diseases are also linked to major systemic health issues including diabetes mellitus, cardiovascular diseases, chronic kidney disease, adverse pregnancy outcomes, rheumatoid arthritis, Alzheimer’s disease, erectile dysfunction, certain forms of cancer, and more severe Covid-19 outcomes. This means that gum diseases and their prevention and treatment are of major importance not only for oral health, but also for the whole body.

This year’s campaign focuses heavily on the treatment part – we know that millions of people suffer from gum diseases that can be treated effectively. ‘Treat your gums’ calls for this treatment – with all the documented positive effects for the mouth and whole body – to actually happen.”

Moritz Kebschull, coordinator of Gum Health Day 2022

That is why the hashtag for the campaign is #TreatYourGums, and why the recent EFP-produced clinical practice guidelines on the treatment of periodontitis are a major part of the Gum Health Day 2022 initiative.

“The new EFP-produced clinical practice guidelines on the treatment of all four stages of periodontitis are a crucial development, as they are the first high-quality international guidelines to outline a structured and easily implemented pathway for the efficient and effective treatment of gum disease,” Prof. Kebschull says. “In a nutshell, gum disease treatment that works!”

He adds: “It is important to underline that gum disease is one of the most widespread chronic diseases in the worldwide adult population, and that it is usually painless, so its early detection and successful treatment depends heavily on how fast the patient takes action.”

A major innovation of Gum Health Day 2022 is an EFP-designed “customized content generator”, a feature that allows the federation’s 37 affiliated national societies of periodontology, their individual members – as well as practices, hospitals, and members of the public – to customise their own Gum Health Day 2022 materials, based on a series of graphic templates and catchphrases.

In the framework of Gum Health Day 2022, the EFP encourages periodontists, dentists, researchers, and other health-related professionals to sign and disseminate the EFP Manifesto: Perio and General Health, an international call to action for the prevention, early detection, and treatment of gum disease. Individuals and organisations are invited to endorse it and join the 1,200+ professionals, dental practices, companies, and universities that have so far supported it.


The European Federation of Periodontology (EFP, ww.efp.org) is a non-profit organization dedicated to promoting awareness of periodontal science and the importance of gum health. Its guiding vision is “periodontal health for a better life.”

Founded in 1991, the EFP is a federation of 37 national periodontal societies that represents more than 16,000 periodontists, dentists, researchers, and oral-health professionals from Europe and around the world. It supports evidence-based science in periodontal and oral health, and it promotes events and campaigns aimed at both professionals and the public.

The EFP organizes EuroPerio, the world’s leading congress in periodontology and implant dentistry, as well as other important professional and expert events such as Perio Master Clinic and Perio Workshop. The annual Gum Health Day on May 12, organized by the EFP and its member societies, brings key messages on gum health to millions of people across the world.

The EFP also organizes workshops and outreach campaigns with its partners: projects to date have covered the relationship between periodontal disease and diabetes, cardiovascular disease, and caries, as well as women’s oral health during pregnancy.

The EFP’s Journal of Clinical Periodontology is the most authoritative scientific publication in this field. The federation also publishes JCP Digest, a monthly digest of research, and the Perio Insight magazine, which features experts’ views and debates.

The EFP’s work in education is also highly significant, notably its accreditation programme for postgraduate education in periodontology and implant dentistry.

The EFP has no professional or commercial agenda.

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