How Platelet Therapy Works

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WHAT’S THE MATTER WITH MARADONA?

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Crude gestures, profane tirades, ill-timed trips to the spa . . . the legend of Argentine soccer has seen better days, S3

Angels tread fearlessly on Yank bullpen Angels 5 Yankees 4 (11) YANKEES LEAD SERIES 2-1

Scioscia manages boldly while Girardi scrambles to keep up; now it’s all up to New York ace Sabathia ANAHEIM, CALIF.

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he Yankees have blown bigger leads than this one — right, Red Sox fans? — and talk about putting the pressure on CC Sabathia here Tuesday. If the big left-hander, pitching with a 2-1 series lead on short rest, can’t hold down the Anaheim Angels, the momentum that Joe Girardi and Co. let slip away Monday could well come back and flatten them. The Angels rallied for a 5-4 win in a terrific ball game that had just about everything, including six homers — four solo shots by the Yankees — and a back-up catcher coming away the hero. Jeff Mathis smoked a long double with two out in the bottom of the 11th inning, what he called “the biggest hit of my life,” to score Howie Kendrick as the Angels matched the Yankees in every category except power and overmatched them decisively in the manager’s office. Girardi was running to his dugout binder like a high school kid, seeking out statistics and then march-

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Angels’ Howie Kendrick achieves some altitude after scoring the winning run in the 11th inning vs. Yankees.

DAVE PERKINS ing through his bullpen like he was Joe Torre, or somebody. The trouble with using seven relievers behind a decent Andy Pettitte is that one of them might be horsebleep and if he is, goodbye ball game. Alfredo Aceves turned out to be just that, entering with two out and nobody on, after David Robertson had retired both his hitters, and promptly yielding a single to Kendrick and the rocket to Mathis. “As far as (removing) Robertson, we liked the matchup with Ace better,” Girardi said. “It’s just different kind of stuff against those hitters and we have all the matchups and the scouting reports. “And it didn’t work,” he added, PERKINS continued on S4

Read Richard Griffin’s take on the NLCS, Dodgers vs. Phillies, on page S4 and at www.thestar.com/sports

Chan uses cutting-edge procedure to put hurt on injury How platelet therapy works

RANDY STARKMAN SPORTS REPORTER

No blood, no glory. Toronto figure skater Patrick Chan has expended some of his own blood for the cause. It is all part of a cutting-edge procedure used by athletes to jumpstart healing of their injuries. Called platelet-rich plasma therapy — or PRP — an athlete’s blood is withdrawn, spun and concentrated in a centrifuge before being re-injected into the injured area. Chan had the procedure done last week, when Dr. Tony Galea used PRP on Chan’s injured left calf. Galea treated Steelers star receiver Hines Ward with PRP before he helped Pittsburgh win the Super

PRP helps heal tissue within 2 mm to 5 mm of injection site

Platelets in the blood are key to tissue healing. In treatment using PRP (platelet rich plasma), high concentrations of platelets are injected into the damaged tissue to speed the recovery process.

Plasma Platelets White cells Red cells

1. 30 to 60 ml of blood is collected from patient’s vein.

3. Concentrated fluid of plasma and platelets is injected into damaged tissue. Fluid is up to 130 times more potent than regular blood at promoting healing.

2. Blood is separated into main components in a centrifuge.

SOURCE: Centre for Integrated Medicine; University of British Columbia, Dept. of Orthopaedic Surgery

Bowl last year, has used it on former Maple Leaf Gary Roberts and employs it extensively with the Toronto Argonauts.

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There’s a growing trend toward using PRP to treat athletes at all levels. The process is non-invasive and usually takes under an hour. While

the science is not definitive, there’s a growing belief it is very effective. “Its role is evolving as we continue to do research on it,” said Dr. Bob

CHAN continued on S7

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4. Platelets contain the growth factors and stem cells, which help repair damaged tissue.

McCormack, chief medical officer for the Canadian Olympic team, who uses PRP as team doctor with the B.C. Lions. To start the process, blood is extracted from the athlete, and after the blood is spun in the centrifuge, it has a concentration of platelets more than four times the normal level. Platelets move toward the injured area and initiate a healing response. The idea is that by concentrating them and putting them into the injured area, the healing process will be accelerated. Galea said there are four phases of healing when tissue gets hurt: acute, inflammatory, proliferation and maturation. “When the platelets get into the tear they do what they do best,” said Galea. “You’re taking those four phases of healing and shortening them, cutting them in half.”

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Platelet therapy said to shorten healing time