Archive for the ‘Platelet Rich Plasma Injections’ Category

Platelet Rich Plasma Therapy for Osteoarthritis …

Platelet Rich Plasma Injections | Posted by admin
Sep 20 2017

What is the role of PRP in Stem Cell Therapy?

PRP stands for Platelet Rich Plasma, which isa main component of a PRP stem cell injection. The term is used very loosely to include anything that has growth factors and cytokines derived from blood (Platelets). When cells talk to each other, they make proteins and peptides that are the messages that pass from one cell to another and determine how the cell will respond. These are called cytokines and include growth factors. PRP stem cell injections for the knee, hip and spine use these cytokines to control the actions of surrounding cells. Platelets store granules of these cytokines that can be harvested and used.

The process of obtaining cytokines begins with a sample of blood being collected and centrifuged. The red blood cells collect at the bottom, while the plasma containing platelets can be taken from the top. This plasma with platelets can be used as is or can be centrifuged a second time to concentrate the platelets at the bottom of the tube.

We then have Platelet Rich Plasma (PRP) at the bottom and Platelet Poor Plasma (PPP) at the top. Collecting the PRP from the bottom, it can be used as is or it can be activated by adding Calcium Gluconate. This causes a clot to form, which excretes the cytokines from the platelets. The clot will slowly shrink as the cytokines are excreted. The platelets are now destroyed, and because the clotting factors have been used up, the plasma is now serum. The end product is cytokines in serum, which is used for stem cell therapy. This is obviously not PRP, as there are no platelets and no plasma.

When the plasma containing platelets are injected into the body, the platelets will be activated by contact with any tissue except endothelial cells (the cells that line arteries and stop platelets clotting). When this happens, the cytokines will be released slowly over 5 or more days. This clot is known as Platelet Rich Plasma Gel (PRPG).

The normal role of platelets in the body is to adhere to any gap in blood vessels, where they form a clot to block the hole and release cytokines to heal the damage. It is this healing power that can be utilised by doctors to heal tendon, joint and other soft tissue injuries.

Macquarie Stem Cells wanted to see if this function of platelets could be used to test if people will be responders or non-responders to stem cell therapy. We have tested this on a large number of patients using various combinations and the test has had some usefulness.

Using Platelet Rich Plasma therapy for osteoarthritis has not improved the results when given at the same time as stem cells, but there may be some utility when given two weeks before stem cells, as well as in the healing time after stem cell therapy.

Using the cytokines contained in platelets is like having a burst of stem cell activity. The results can last for one week in some patients whilst in others the results can be much longer, lasting up to a year or more. There will be a group of patients who only need plasma/platelets and others who will need stromal cells (stem cells) to get a lasting and complete effect.

A recently conducted case series has had significant findings relating to PRP stem cell injections. This study focused on knee osteoarthritis, which previously could only be treated with pain medication, anti-inflammatory drugs, or invasive joint replacement surgery.

Four different patients suffering from knee osteoarthritis were investigated to establish the effectiveness of an exercise rehabilitation program combined with Platelet Rich Plasma injections containing autologous StroMed and PRP. Over a 12 month period, each patient received regular PRP stem cell injections, participated in physical function tests, and recorded their symptoms in a questionnaire. At the conclusion of the study, all patients experienced improved outcomes, indicating that injecting a combination of stromal cells and PRP can be beneficial for osteoarthritis.

If youre interested in learning more about the role of Platelet Rich Plasma therapy for osteoarthritis, including PRP injections for the knee, hip or spine, contact Macquarie Stem Cells to arrange a consultation.

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Quick scouting report on Milwaukee Brewers call-up Taylor Williams – Brew Crew Ball

Platelet Rich Plasma Injections | Posted by admin
Sep 03 2017

The Milwaukee Brewers announced seven September call-ups yesterday, including one player who was making his first trip to the major leagues: right-handed pitcher Taylor Williams. The Kent State product started his career back in 2013 as a 4th-round pick by the Brewers and quickly began to see his fastball velocity rise along with his stock as a prospect. During Spring Training in 2015, Ryan Braun likened Williams explosive fastball to that of All-Star closer Craig Kimbrels.

Unfortunately for Williams and the Brewers, arm issues started cropping up shortly thereafter. He began the 2015 season on the disabled list with and ultimately was forced to undergo Tommy John surgery after physical therapy and platelet-rich plasma injections couldnt heal his ailing elbow. He wound up missing all of the 2015 and 2016 minor league seasons, returning to action last fall for instructional league. Even after the lengthy layoff, Williams showed enough at instructs to convince Milwaukees front office to add him to the 40 man roster in order to protect him from the Rule 5 Draft.

Williams spent this year with AA Biloxi under very close watch from the organization, and hell now join the big league club for the stretch run as the Milwaukee Nine chases their first postseason berth since 2011. So, what should we be looking for from the hard-throwing righty?

Williams is considered a bit undersized as a pitching prospect, standing at just 511 though he is a stout 195 lbs. Scouts consider his delivery to be rather high effort, featuring a notable leg kick and throwing from a three-quarters arm slot. Williams has lighting-quick arm speed, which helps him consistently generate big velocity on his fastball. Because of his smaller stature and high-effort mechanics, many scouts have had him ticketed to become a reliever since he was drafted.

Williams relies mainly on two power offerings in his arsenal, a fastball and slider. He hasnt shown any issues in finding his pre-injury velocity this season, with his fastball sitting in the mid-90s and touching as high as 99 MPH recently for the Shuckers. The late tail that the pitch features can give batters fits at home plate, and he misses plenty of barrels and bats with his heater. His hard slider features 1-to-7 action that breaks down and away from right-handed batters. He typically uses this as his put-away pitch when hes ahead in the count. Williams also will throw on occasion a below-average changeup that lags a good bit behind of his two other pitches in terms of quality. Williams high-octane stuff leads to plenty of strikeouts, but his two-pitch arsenal and fringy command again support that ultimately hell be better suited for bullpen duty.

Williams only crossed the 200 professional innings threshold this season after he missed so much time with his elbow troubles, but statistically hes had little issue with minor league hitters to this point. After debuting in the Pioneer League in 2013, Williams posted a 2.72 ERA/2.23 DRA in 132.1 innings pitched between A-level Wisconsin and high-A Brevard County in 2014. He struck out 137 batters while walking only 28 and inducing ground balls at a 50% clip.

When Williams finally returned to regular season action in 2017, Milwaukee closely monitored his work load at AA Biloxi. Working mostly in a piggyback with pitching prospect Jon Perrin, Williams started in 14 of his 22 appearances this year but never worked beyond 3.2 innings or threw more than 65 pitches in any of his outings. He had been on the once-every-five-days schedule that is typical of a starting pitcher, but at the end of July the org stopped having him start games and began pitching him every 2 or 3 days while entering later on in games in preparation for a move to the bullpen.

Williams wound up tossing a total of 46.2 innings for Biloxi and registering a 3.09 ERA before getting his first call to The Show. He did strike out 28.6% percent of the batters he faced, 57 whiffs in all. He managed to keep the both ball on the ground (48%) and in the park (2 home runs allowed) very well this season. Opponents were able to hit .237 against him though, which ranked right around the median for Southern League pitchers. He also had a notable difficulty with free passes, issuing them at a rate of 4.05 per nine innings, helping lead to a WHIP of 1.35. Based on these and several other factors, Williams work in AA translated to a Deserved Run Average of 4.19 this season. Thats more than a run worse than his ERA, and in terms of overall production DRA feels his performance was actually a tiny bit worse than the average Southern League pitcher in 2017 (102 DRA-).

Ultimately there appears to be little doubt that the best way for Taylor Williams to produce meaningful value at the major league level will be out of the bullpen. Williams advanced age (he turned 26 in July) and the fact that he missed two full years of developmental time really put him behind the eight-ball in terms of building up the stamina and arm strength needed to pitch 160+ innings on a year-to-year basis. His middling command, lack of a trustworthy third pitch, and diminutive stature work against him as well.

Williams should get some opportunities to showcase his stuff in Milwaukees bullpen this September and he will probably compete for an Opening Day spot as a reliever next spring. His dynamic fastball-slider combination and high strikeout approach should continue to play extremely well out of the bullpen for the next several seasons.

In fact, one might even say that Williams is Taylor-made for a role as a big league setup man.

Statistics courtesy of Baseball Prospectus and Fangraphs

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Quick scouting report on Milwaukee Brewers call-up Taylor Williams - Brew Crew Ball

Running Doc on how to treat Plantar Fasciitis – New York Daily News

Platelet Rich Plasma Injections | Posted by admin
Sep 01 2017

NEW YORK DAILY NEWS

Sunday, August 27, 2017, 6:00 AM

Dear Running Doc:

Good afternoon. I hope you are having a fun weekend. I have had PF for 1.5 years now. I have tried stretching, cortisone, PRP injections, etc. and nothing has worked.

I love to run but had to give up last year and would love to get back to running. I have tried a few orthotics but have not tried custom fitted ones. What would you recommend? I live in Houston. I have seen a few foot and ankle surgeons but nothing has worked.

Thank you for your advice. Where is your office? Do you treat people in your office for PF?

Best, Jeff W., Houston, TX

I and the New York Daily News hope you and family are safe during this horrific storm.

The good news is your PF (Plantar Fasciitis) should not prevent you from running for more than three weeks. In my office practice in New York City, no one has had to give up running due to Plantar Fasciitis.

Plantar Fasciitis is an inflammation of tight connective tissue on the bottom of the foot making up its arch. A simple routine of ice, stretching, golf ball exercise, custom orthotics and sometimes PRP is all that is needed to get you back to run soon. Lets go through them to be sure you are doing them correctly. Leaving one out may cause the Plantar Fasciitis to linger.

Ice: You must ice the painful area for 20 minutes twice a day. Use a Ziploc freezer bag filled with ice and water. The water raises the temperature to 32 degrees to prevent freezer burn. Just plant your foot on the ice water bag in the morning after you have woken up and the evening before you go to sleep. Avoid those ice contraptions that are too cold.

Stretching: The Plantar Fascia connective tissue attaches around the heal bone to the calf muscles. It acts as a fulcrum (as we learned in high school). Therefore, stretching both the calf muscles (gastroc and soleus) helps loosen the tight Plantar Fascia. Wall push-ups with the knee both straight and bent should accomplish this. When the Plantar Fascia is less tight, there is less inflammation.

Golf Ball Exercise: A hard golf ball rolled back and forth over the most painful part of your arch for 30 minutes daily should do the trick. Remember with this exercise that your condition will hurt more before it hurts less. Dont get discouraged. Some people use a frozen water bottle for this exercise. In my experience, using a golf ball once a day and doing the ice separately twice a day works better than trying to combine these two steps together.

Custom Orthotics: Custom full-length flexible orthotics are a necessary step to combat Plantar Fasciitis. They stabilize the ligaments and prevent it from coming back. Over-the-counter orthotics are as good as over-the-counter glasses. You do need orthotics custom made properly.

Platelet Rich Plasma (PRP): First, Jeff, stay away from cortisone injections. Cortisone weakens soft tissues and, in my experience, causes an increased risk for further problems. If you do all the above steps, you may never need to get to PRP. If you have a bone spur coming out as a pointed projection from your heal, PRP may be necessary. Usually a PRP treatment is done with two treatments 24 to 72 hours apart.

I hope Jeff that the above information helps you to regain your running at a level that makes you comfortable. If you have any further questions, please do not hesitate to write again.

Enjoy the Ride!

***

Lewis G. Maharam, MD, FACSM is one of the worlds most extensively credentialed and well-known sports health experts. Better known as Running Doc, Maharam is author of Running Docs Guide to Healthy Running and past medical director of the NYC Marathon and Rock n Roll Marathon series. He is Medical Director of the Leukemia & Lymphoma Societys Team in Training program. He is also past president of the New York Chapter of the American College of Sports Medicine. Learn more at runningdoc.com.

Want your question answered in this column? Write to running doc at runningdoc@nydailynews.com.

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Running Doc on how to treat Plantar Fasciitis - New York Daily News

Here’s Some Safer Methods To Replace Face Tightening Surgeries – News18

Platelet Rich Plasma Injections | Posted by admin
Sep 01 2017

With age, facial skin becomes progressively lax, sagging along the jawbone and under the eyes, and many opt for surgeries for this. Experts suggest people can go for pain-free cosmetic technology to attain a youthful appearance.

Nitin S Walia, senior consultant, Dermatology at BLK Super Specialty Hospital and Navjot Singh Arora, consultant dermatologist at Dermaheal Clinic, have given a few inputs:

* Botox's contribution on the other hand, not only helps in elimination of fine lines and wrinkles but also droops at the angle of lips and correction of neck lines. It also helps achieve a slimmer and well defined jaw line. A botox injection takes a short time to administer and fixes fine lines conveniently and non-invasively.

* Injectable skin fillers have added new dimensions to the field of cosmetic dermatology, allowing new forms of facial rejuvenation and wrinkle treatment without surgery. Fillers are designed to increase tissue volume (as with lip augmentation), and improve the skin's overall contour.

* Platelet-rich plasma injections help in the generation of healthier cell production and a youthful appearance. Advanced facial skin sagging requires a necklift, a midface lift, and significant upper and lower eyelid skin excess requires a blepharoplasty. The goal is subtle, natural-looking results that make you look better, not different.

* Saggy skin is basically a part and parcel of ageing which will occur at some point of time, but it can be delayed to a great extent with the regular use of sun protection (with the help of sunscreens and physical barriers) and application of stable forms of vitamin C and aloe vera.

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Here's Some Safer Methods To Replace Face Tightening Surgeries - News18

Education briefs – Port Townsend Leader

Platelet Rich Plasma Injections | Posted by admin
Sep 01 2017

Get ready for school with Ms. Mirandy

Preschool owner and former childrens librarian Mirandy Cook is holding Back to School with Ms. Mirandy from 9 a.m. to noon on Sunday, Sept. 3 upstairs at Aldrichs Market, 940 Lawrence.

Children ages 3-6, along with their parents or caregivers, are invited to listen to back-to-school-themed stories, sing songs, play music and more.

Back-to-school immunizations now available

Its time for back-to-school immunizations, and Jefferson County clinics are offering vaccines to children as old as 19 at no cost through the states Childhood Vaccine Program.

Vaccines are available at Jefferson County Public Health, 615 Sheridan St., 360-385-9400; Jefferson Healthcare Primary Care, 915 Sheridan St., 360-379-8031; Jefferson Healthcare Family Medicine, 1010 Sheridan St., 360-385-3500; and Jefferson Healthcare Internal Medicine, 934 Sheridan St., 360-385-5388.

There may be a charge for the office visit and an administration fee to give the vaccine. All of the clinics listed above bill insurance, both private and Apple Health. People without insurance and who cant afford the administration fee can ask for it to be waived.

Immunizations are required for school attendance, according to a press release from the county. A list of immunizations required for preschool and K-12 are listed on the Washington State Department of Health website, doh.wa.gov.

Dr. Paul Naumann of Jefferson Healthcare Medical Centers Orthopedic Clinic is offering platelet-rich plasma injections (PRP) to qualified patients as an outpatient procedure.

Patients who have endured pain from injured tendons, ligaments, muscles and joints have found relief from PRP therapy, according to Jefferson Healthcare. The nonsurgical procedure can be applied for various musculoskeletal problems, and can help heal injured tissue and improve function.

PRP is injected into the injured area to stimulate and augment healing, according to a press release.

The Orthopedic Clinic is on the second floor of the new building at Jefferson Healthcare, 834 Sheridan St. For more information, call 344-0400.

Compiled by Leader Staff writer Katie Kowalski.

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Education briefs - Port Townsend Leader

Hair Loss Got You Down? Platelet-Rich Plasma May Regrow It … – Health Essentials from Cleveland Clinic (blog)

Platelet Rich Plasma Injections | Posted by admin
Aug 25 2017

Are you looking for a hair loss solution? A therapy that promotes healing in injured joints may help restore your lost hair.

Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy

About 50 million American men and 30 million womenhave male- or female-pattern baldness. It can begin early in life, but is much more common after the age of 50, when more than 50 percent of men will experience some kind of hair loss.

However, an emerging treatment platelet-rich plasma (PRP) therapy appears to help regrow lost hair. And, there are virtually no side effects from PRP, except for a mild feeling of pressure at the injection site, saysdermatologist Shilpi Khetarpal, MD.

Physicians began using PRP therapy about a decade ago to speed up the healing process in damaged joints after injury or surgery.

During the treatment, a technician draws your blood and spins it in a centrifuge to separate out the platelets and plasma. Doctors then inject the plasma, which helps repair blood vessels, promote cell growth and wound healing, and stimulate collagen production.

Doctors began using PRP in dermatology after researchers found that high concentrations of platelets in plasma cells help promote hair growth by prolonging the growing phase of the hair cycle.

Doctors inject plasma into the scalp where hair loss has occurred. They typically administer injections monthly for three months, then spread them out over about three or four months for up to two years. The injection schedule will depend on your genetics, pattern and amount of hair loss, age and hormones.

Because the treatment is cosmetic, insurance does not cover the procedure, Dr. Khetarpal says. The cost ranges between $500 and $1,000 per injection session.

Other treatments for hair loss currently on the market are often more problematic for many patients, Dr. Khetarpal says.

There are two FDA-approved medications for treating hair loss: finasteride and minoxidil.But you must take these drugs consistently over time and results are inconsistent, she says.

Each drug also sometimes has side effects:

Hair transplantation is another option, but it requires cuts in the scalp and recovery time is longer, she says.

Because it is a surgical procedure, doctors typically recommend hair transplantation only for those who have dramatic hair loss. A transplant is also more costly and leaves scars. Doctors can perform PRP therapy prior to transplantation, which can provide better results with more dense hair growth, Dr. Khetarpal says.

Recent research bears out the potential of PRP therapy.

In a 2014 study, researchers in India looked at men with male-pattern baldness who used both approved medications, but saw little change in their hair growth.

After four PRP treatments, they had about 30 percent more growth in thinning areas.

A 2017 study out of Italy also found male patients had increased hair and density in areas where doctors used PRP therapy.

Dr. Khetarpal says it takes about three months to see an improvement. After that time, most of her patients both male and female have regrown 30 to 40 percent of the hair theyve lost.

Part of the success of PRP comes from selecting the right patients for therapy, Dr. Khetarpal says. PRP is safe and effective for many people. However, you should not have PRP therapy if you fall into either of these groups:

PRP therapy works better if your hair loss is recent. It is more challenging to wake up hair follicles that have been dormant for a long time, Dr. Khetarpal says.

I tell people I can get your hair back to what it was five years ago, she says. If your hair loss is older, you may see some recovery, but its likely not worth your investment of time and money.

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Hair Loss Got You Down? Platelet-Rich Plasma May Regrow It ... - Health Essentials from Cleveland Clinic (blog)

Platelet-rich plasma injections for osteoarthritis of the …

Platelet Rich Plasma Injections | Posted by admin
Aug 22 2017

The National Institute for Health and Care Excellence (NICE) issued full guidance to the NHS in England, Wales, Scotland and Northern Ireland on Platelet-rich plasma injections for osteoarthritis of the knee, in May 2014.

Osteoarthritis of the knee is the result of progressive deterioration of the articular cartilage and menisci of the joint. Articular cartilage deteriorates because of trauma and wear and tear. This leads to exposure of the bone surface. Symptoms include pain, stiffness, swelling and difficulty walking.

Treatment depends on the severity of the osteoarthritis. Conservative treatments include analgesics and corticosteroid injections to relieve pain and inflammation, and physiotherapy and prescribed exercise to improve function and mobility. When symptoms are severe, surgery may be indicated: options include upper tibial osteotomy and unicompartmental or total knee replacement.

W90.3 Injection of therapeutic substance into joint

Y53.2 Approach to organ under ultrasonic control

Z84.6 Knee joint

X36.8 Other specified blood withdrawal

In addition a code from the ICD-10 category M17 Gonarthrosis [arthrosis of knee] would be recorded.

This guidance represents the view of NICE, arrived at after careful consideration of the evidence available. When exercising their judgement, healthcare professionals are expected to take this guidance fully into account. However, the guidance does not override the individual responsibility of healthcare professionals to make decisions appropriate to the circumstances of the individual patient, in consultation with the patient and/or guardian or carer.

Commissioners and/or providers have a responsibility to implement the guidance, in their local context, in light of their duties to have due regard to the need to eliminate unlawful discrimination, advance equality of opportunity, and foster good relations. Nothing in this guidance should be interpreted in a way that would be inconsistent with compliance with those duties.

Commissioners and providers have a responsibility to promote an environmentally sustainable health and care system and should assess and reduce the environmental impact of implementing NICE recommendations wherever possible.

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Platelet-rich plasma injections for osteoarthritis of the ...

POINT OF VIEW: Battle opioid crisis by treating pain without narcotics – Palm Beach Post

Platelet Rich Plasma Injections | Posted by admin
Aug 22 2017

The misuse of opioids, including prescription pain relievers, has led to an explosion of narcotic addiction and narcotic-related deaths. It is now considered an epidemic. Physicians are thought to be a major contributor to this increase in addiction, as they readily prescribe narcotics for pain relief following injury and surgery, leading to an increase of people who are becoming addicted to these substances. Once physicians stop prescribing these medications, these addicted individuals seek other sources. Of course, the purity and safety of drugs purchased outside the medical-pharmaceutical establishment are additional factors causing injury and death.

There is another way to treat acute injury. The solution is to find alternatives to surgery. Rapid treatment of injuries reduces the inflammation and pain, and avoids the use of narcotics.

Injury initiates an inflammatory response that protects against infection and initiates the healing response. Persistent inflammation, however, causes further tissue damage. Delayed treatment and persistent inflammation cause even further harm to the already injured part of the body.

A recent study of 111 patients compared standard physical therapy and conservative treatments to early injection therapy for acute injury. Thirty percent of the patients had neck injuries, 10 percent had mid-spine injuries and 60 percent had low back injuries. Patients treated more timely had significantly improved outcomes, and most of those treated immediately after injury demonstrated complete recovery. None of the patients medically treated immediately after injury required narcotic medication. This and other recent studies suggest that rapid medical treatment of injuries substantially reduces both the degree of impairment and the amount of narcotic use following accidents and trauma.

Physicians can help stop the opioid crisis by limiting the prescription of pain relievers and looking to other effective treatment options, including laser treatment, platelet rich plasma therapy, steroid injections and other alternatives. As physicians, we need to educate our patients on the importance of rapid treatments, getting to the source of the pain quickly and finding solutions and therapies that address those specific issues directly.

LAWRENCE GORFINE, WEST PALM BEACH

Editors note: Dr. Lawrence Gorfine is president of the Palm Beach Spine & Diagnostic Institute.

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POINT OF VIEW: Battle opioid crisis by treating pain without narcotics - Palm Beach Post

Sports hype of platelet-rich plasma ‘powerful marketing tool’ but distorts the science – CBC.ca

Platelet Rich Plasma Injections | Posted by admin
Aug 19 2017

When injured elite athletes talk aboutusing platelet-rich plasma (PRP), the coverage fuels hype that makes it harder for average consumers to see the limitations of the potential treatment, a new study suggests.

Athletes including American golfer Tiger Woods, NFL quarterback Tom Brady and now-retired NBA playerKobe Bryant have reportedly used the decades-old approach.

When PRP is used in sports medicine circles, theperson's blood is collected and spun to concentrate the platelet component of the fluid, which is then injected back into an injured area, such as a torn tendon.

Tim Caulfield, who holds the Canada Research Chair in health law and policy at the University of Alberta, and his co-authors reviewed newspaper coverage of PRP use between 2009 and 2015in Australia, Canada, Ireland, New Zealand, United Kingdomand the United States. It waspart of their ongoing researchinto what he calls "bunk" or "science hype" exaggeration of the benefits of science and understatement of any risks or other concerns, including instem cell treatments.

"When PRP is covered in the sports pages, it's talked about in a way that if you were just a casual observer of the science, you would assume that this works and that, we think, is a very powerful marketing tool," said Caulfield.

"If you see a story about a pitcher, a football player or track and field star getting PRP and you have an injury and you know of a clinic near you that's offering PRP, I think it does make it seem like it's more legitimate and perhaps that the science is further along than it really is."

In last week's issue of the journal PLOS One, Caulfield and his co-authors reported that a large majority of PRP articles from Australia (97.1 per cent), theU.S. (87.1 per cent)and Canada (79.4 per cent) were sports-related stories.

The exception was in New Zealand, where less than 10 per centwere sports-related. The researchers found that81.8 per centof the articles analyzed were cosmetic stories.

Reality TV star KimKardashianfirst promoted PRPas an anti-aging treatment through thevampire facials she underwenton her show in 2013 to avoid wrinkles.

Caulfieldsaid he sympathizes with sports reporters but he wants the public to recognize how elite athletes are willing to try just about anything, even unproven, because they're desperate to return to play.That doesn't necessarily mean the treatment works.

"To date, the science [for PRP] is far from definitive," he said.

The researchers said their findings raise questions about why there havebeen so few well-conducted, large clinical trials into PRP to truly judge how much it helps or harms.

Dr. Ryan Degen, an orthopedic sports medicine surgeon at Western University in London, Ont., is seeking funding to conduct a clinical trial on PRP.

"The trial that we're going to try to get off the ground is to look at knee arthritis to see if [PRP is]warranted to treat the arthritis or if we should just be sticking with the conventional injections that we've been using," Degen said.

Degen advises athletes to tread cautiously.

Degen tells his patients there are a few possible indicationsto use PRP in sports medicine, but other times, it's not worthwhile, particularly given that the expense can range from $250 to several thousand dollars.

Many people look up to elite and professional athletes.But the study's findings suggest part of the cautionary message around PRP use is lost when athletes are the source of the message, said Dr. Mark Leung, director of the primary care sport and exercise medicine program at theUniversity of Toronto.

For "elite athletes, one of the names of the game is you start to try and compete and win at whatever cost and that may include your health, and so I don't thinkmany individuals [in] the general population may understandthat aspect."

The reality is, PRP injections don't replace an accurate diagnosis and reliable treatments such as exercise, weight management and rehabilitation, Leung said.

"There was some evidence for its use in tennis elbow or in partial tendon tears," said Leung. "I think that evidence is starting to become less clear [on] when to use it and what regimen, because even the way it's been studied has been a bit murky."

For non-elite athletes, Leung suggesteda more moderate approach to diet, workouts and recovery from injuries.

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Sports hype of platelet-rich plasma 'powerful marketing tool' but distorts the science - CBC.ca

Bears continue to mix and match on O-line with Kyle Long limited … – Chicago Sun-Times

Platelet Rich Plasma Injections | Posted by admin
Aug 19 2017

With Prospect High School as their setting, the Bears continued to prepare themselves for a future without guard Kyle Long.

Long returned to practice Thursday but didnt participate after undergoing treatment on his surgically repaired right ankle a day earlier.

Coach John Fox said Long met with the doctor who originally performed his surgery in December in Charlotte, North Carolina.

It was pretty convenient, Fox said. We actually planned it about a week ago. Its just timed that way. I thought it went well. And we held him back today. The treatment they did usually requires 24 hours off, but he feels a lot better. Were excited to get him going again.

Bears guard Kyle Long. (AP)

Fox didnt specify which treatment Long underwent, but platelet-rich plasma (PRP) injections, which promote healing, can require a downtime of 24 hours.

With Long out, Hroniss Grasu practiced at center with the first-team offense, and Cody Whitehair was at left guard.

Its a look the Bears experimented with in Bourbonnais, but it also could be their starting look Saturday in the preseason game against the Cardinals.

There is flexibility that we need in the line, Fox said. Well see how it goes and how we start. We still havent met in really how were going to approach the game as a staff yet.

Another possibility is keeping Whitehair at center and playing Grasu at left guard.

[Grasu is] going to have to know both, Fox said. Hes going to have reps at both.

QB order

The Bears will maintain the same order at quarterback against the Cardinals: starter Mike Glennon, backup Mark Sanchez, then No. 3 Mitch Trubisky.

In and out

Linebackers Danny Trevathan (knee) and Nick Kwiatkoski (concussion) and defensive lineman Akiem Hicks (sore Achilles tendon) participated in practice in various capacities.

Cornerback Prince Amukamara (hamstring), defensive lineman Mitch Unrein (concussion) and nickel back Bryce Callahan (ankle) did not participate.

Follow me on Twitter @adamjahns.

Email: ajahns@suntimes.com

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Bears continue to mix and match on O-line with Kyle Long limited ... - Chicago Sun-Times