Use of dedicated pediatric imaging departments for pediatric CT reduces radiation dose

Public release date: 1-May-2012
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Contact: Heather Curry
PR@acr.org
703-390-9822
American College of Radiology

The use of a dedicated pediatric imaging department (with dedicated pediatric computed tomography (CT) technologists) for pediatric CT scans significantly reduces the radiation dose delivered to the patient, according to a study in the May issue of the Journal of the American College of Radiology.

When performed and monitored properly, the benefits of CT scans outweigh the potential long-term risk of radiation. To minimize the potential adverse effects of radiation exposure to pediatric patients, it is necessary to reduce the dose of radiation delivered to these patients while preserving the diagnostic quality of the images produced.

"There are many strategies for reducing radiation dose. The use of protocols with adjusted exposure parameters for pediatric patients on the basis of child size, organ system scanned and the size of the region scanned is most notable. However, compliance with these protocols can be challenging for technologists, particularly when scanning a combination of adult and pediatric patients," said Heather L. Borders, MD, lead author of the study.

A retrospective review of abdominal and pelvic CT console dose and exposure parameter data on 495 patients from a combined pediatric and adult radiology department and subsequently 244 patients from a dedicated pediatric radiology department was performed. Patients were divided into 1 of 8 weight categories for analysis.

A statistically significant decrease in the estimated effective dose for abdominal and pelvic CT studies was observed in all but one of the weight categories at the pediatric radiology department compared with the pediatric and adult radiology department.

"Imaging pediatric patients in a dedicated pediatric imaging department with dedicated pediatric CT technologists may result in greater compliance with pediatric protocols and significantly reduced patient dose," said Borders.

"Conversely, greater scrutiny of compliance with pediatric dose-adjusted CT protocols may be necessary for departments that scan both children and adults," she said.

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Public release date: 1-May-2012
[ | E-mail | Share ]

Contact: Heather Curry
PR@acr.org
703-390-9822
American College of Radiology

The use of a dedicated pediatric imaging department (with dedicated pediatric computed tomography (CT) technologists) for pediatric CT scans significantly reduces the radiation dose delivered to the patient, according to a study in the May issue of the Journal of the American College of Radiology.

When performed and monitored properly, the benefits of CT scans outweigh the potential long-term risk of radiation. To minimize the potential adverse effects of radiation exposure to pediatric patients, it is necessary to reduce the dose of radiation delivered to these patients while preserving the diagnostic quality of the images produced.

"There are many strategies for reducing radiation dose. The use of protocols with adjusted exposure parameters for pediatric patients on the basis of child size, organ system scanned and the size of the region scanned is most notable. However, compliance with these protocols can be challenging for technologists, particularly when scanning a combination of adult and pediatric patients," said Heather L. Borders, MD, lead author of the study.

A retrospective review of abdominal and pelvic CT console dose and exposure parameter data on 495 patients from a combined pediatric and adult radiology department and subsequently 244 patients from a dedicated pediatric radiology department was performed. Patients were divided into 1 of 8 weight categories for analysis.

A statistically significant decrease in the estimated effective dose for abdominal and pelvic CT studies was observed in all but one of the weight categories at the pediatric radiology department compared with the pediatric and adult radiology department.

"Imaging pediatric patients in a dedicated pediatric imaging department with dedicated pediatric CT technologists may result in greater compliance with pediatric protocols and significantly reduced patient dose," said Borders.

"Conversely, greater scrutiny of compliance with pediatric dose-adjusted CT protocols may be necessary for departments that scan both children and adults," she said.

###

---

[ | E-mail | Share ]

?

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

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5 tips to strengthen your online brand - Wave Accounting - Free ...

This post by guest blogger Patty Gale appears as part of our series Small Business 500.?

I'm often asked how a small business can get the most out of branding on the web. After all, there's only so many hours in a day. With your website, social media, email marketing, etc. the walls between the personal you and the business you are practically invisible.

People want to see who you are and what makes you tick. By taking advantage of various opportunities, you can use this to your advantage to create a strong online brand that represents both you and your business in the best light possible.

1. Sponsor or speak at an online event

Being an event sponsor or guest speaker for someone else's online event gets your name out in front of an audience you might not have known before. It broadens your personal brand and can strengthen your influence and relationships with the people that already follow you.

Last fall, I spoke at the IVAA online summit on how Virtual Assistants can set themselves apart on the web. It was a wonderful opportunity to share and it directly resulted in several new clients.

2. Blog to share your story

Nothing strengthens your brand and relationships more than blogging and sharing your stories and experiences ... the good and the bad (as long as you can frame the negatives as learning experiences). The web today is not like the web of 10 years ago. Stuffy and sterile content is out. Being real, approachable and transparent is where it's at.?

3. Create your own product

Your brand will get a huge boost from creating a full product launch regardless of the industry you're in. On the web, that can be a digital ebook or perhaps a membership site where you educate your followers with your expertise. Use social media and email marketing to pre-sell and you'll strengthen your brand prior to product launch.

4. Build credibility

Whether you choose to write a book, guest blog, or maintain a steady stream of focused content on your own website, write about what you know! Getting your name out there with a specific focus will help you build credibility in your field, which will really boost your brand as well as help to raise your value and influence in the marketplace.

5. Be true to who you are?

You were designed for great things! Whether you're just starting out in business or looking for ways to grow an existing one, your brand is a reflection of who you are. Most people can smell a 'fake' a mile away. Being true to your brand will make it more attractive in the long run.?

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Patty Gale is the founder of Inspired WebWorks, a fun, dynamic web agency serving?women-owned businesses and start-ups. She is absolutely passionate about helping women use the internet to empower their lives as she believes that your business should fit into your life rather than your life fitting into your business.

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InspiredWebWorks.com
facebook.com/InspiredWebWorks
@inspiredweb

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Final Reflectoins ? Israel is som much more than history and religion ...

My Changing Definition of Israel

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What do you think of when you think of Israel? Until taking Business, Innovation, and Entrepreneurship in Israel, I simply thought of Israel as the ?homeland??a place full of sacred sights, artifacts, and history surrounding my religion. I also saw Israel as a place constantly at odds with its neighbors; thus, constantly marred by images of violence and conflict. This semester I learned Israel represents more than the ?homeland,? and definitely more than a central area of conflict. Israel is a breeding ground for innovation. The cell phone, microprocessors for powering computers, windows XP, the Pill Cam and other products either governing or bettering our everyday lives come from Israel.

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The history behind these high levels of innovation proves incredibly interesting to me. The overall ability to create stems from the changes in the economy, government initiatives, requirements of military service, and high levels of education. This ability comes from the evolution of Israeli society as a whole, not just one small piece of it. As I worked to prove in my paper, innovation in the high tech sector in Israel creates a domino effect. In addition to stimulating the economy, this innovation spurs investment my companies in other industry sectors, such as consumer packaged goods, foods, and retail. Israel?s ?comparative advantage?? according to Saul Singer, the ability to solve world problems and create start-ups out of the solution?put Israel on the economic map. This advantage makes Israel a necessary place for companies to invest or do business with.

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Going Beyond Israel and the Classroom

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The value of this class goes beyond altering my view of Israel and giving me knowledge of the evolution of innovation in Israel. The class provided me an opportunity to see concepts I learned in other classes come to life. For example, at Google and Intel I saw how a working environment stimulates creativity. Harold Wiener from CleanTech took Maslow?s Hierarchy of Needs from the textbook to the real business world. I believe I am better prepared to apply class concepts to actual work having now seen others do the same.

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Overcoming Israel?s Image

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Lastly, I want to highlight the concept of the class that has resonated the most with me: public perception. How can Israel overcome the negative way in which the media generally portrays it? Can Israel ever overcome this image? When doing research for my briefing book, I read an article discussing the need for the government, companies, and Israelis in general to move away from the image of violence and conflict by forming a clear and coordinated message regarding Israel?s economic successes. In my mind, however, this clear message already exists. Every company and governmental institution our class traveled to in Israel mentioned the breadth of innovation within the country?s boarders.

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I personally believe that Israel will never fully be able to negate the effects of geopolitical conflict on its public image. Israel is at odds with closed nations?ones in which the rulers have control over what information flows through the media. The level of control these rulers have and failure of international media to search deeper into stories regarding conflicts will leave Israel in a negative media light. I do believe that government, companies, and Israeli people can make strides in reducing the effect of such reporting. Making these strides involves focusing methods through which the rest of the world hears the message of Israel?s economic successes.

No Longer Just the Homeland

?I will always think of Israel as the ?homeland? and reminisce on the sense of belonging that grasps me when I visit. Israel, however, will to me also be a place where the dominos fall?a place where one industry stimulates investment in other industries as well. Israel represents a place of business necessity not just opportunity. I now view Israel in terms of the ?clear message? described above constantly ponder how the country will ever fully overcome its negative image.

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Jen ? Olin Business School ? Sophomore ? Pennsylvania

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'Avengers' Soars To Huge Foreign Box-Office Debut

Film breaks records in Mexico, Brazil and other foreign markets a week ahead of its U.S. opening.
By Kevin P. Sullivan

Chris Evans as Captain America In "The Avengers"
Photo: Walt Disney Studios

The Avengers have already begun their world domination. Marvel's crossover movie opened in 39 foreign markets over the weekend, a week before its scheduled U.S. release, and the records have already started to shatter.

Premiering in only 70 percent of the total foreign territories, "The Avengers" has already earned $178.4 million. That total includes record-breaking opens in Mexico, Brazil, Taiwan, the Philippines, Hong Kong and seven other markets, according to Box Office Mojo. Australia's $19.7 million total was the second-highest opening in that country's history.

The $178.4 million total at the international box office ranks as only the ninth-highest foreign opening ever, but it should be taken into account that large markets like China and Russia won't get "The Avengers" until later this week, the same day it opens in the U.S.

Box Office Mojo predicted that "The Avengers" could end up with $600 million at the foreign box office alone, a figure "The Hunger Games" just passed with its global total.

Early tracking and box-office analysis have already predicted that when "The Avengers" does finally open Stateside, it will be enormous. Several experts have projected a possible domestic opening week of around or above $150 million. That opening would put the film well above the series' best debut, "Iron Man 2," which opened in the summer of 2010 to $128 million.

If "The Avengers" were to open above the $150 million mark, it would then be in contention for one of the highest U.S. opens of all time. The current champ, "Harry Potter and the Deathly Hallows, Part 2" opened to $169 million last year.

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For breaking news and previews of the latest comic book movies — updated around the clock — visit SplashPage.MTV.com.

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