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11-07-2013, 03:49 PM | |
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New Knee Ligament Found (Again)
There's some cool photos in the link.
http://www.ideastream.org/news/npr/243710560 Doctors have long overlooked a tiny band that connects two bones in the knee. Now Belgium surgeons say that's a mistake. The obscure structure is a full-fledged ligament. When it malfunctions, people recovering from anterior cruciate ligament injuries may run into trouble. About 150 years ago, a prestigious surgeon in Paris found a new body part while operating on some his patients. He described the structure as a pearly, "fibrous band" on the outside of the bones in the knee. That sure sounds like a ligament. But nobody really gave it much thought. And poof! Over the next hundred years or so, the body part was pretty much forgotten. Then in the 1970s, the mysterious band of tissue reappeared in the medical literature every now and then. It went by several names. No one was really sure what the heck it was doing or even could tell with certainty which bones it connected. Until now. Orthopedic surgeons in Belgium have hunted down the enigmatic structure in cadavers. And what do you know — the good Parisian doctor was right. There is an overlooked ligament in the knee. And it might be important for keeping your knee from twisting and turning, especially after an injury to the anterior cruciate ligament, or ACL. Dr. Johan Bellemans and his team at the University Hospital Leuven described the ligament a few months ago in the Journal of Anatomy. They named it the anterolateral ligament, or ALL, and they offered the first clear data on what it's function is. "It's eye-opening and provocative work," says Scott Rodeo, the chief of orthopedic surgery at the Hospital For Special Surgery in New York City. He wasn't involved in the study, but he saw Bellemans' team present the work at a conference. "We've known for years that there was a hardened, fibrous tissue in this location," he tells Shots. "And that this area of tissue plays some role. So it's not such a dramatic discovery but kind of a rediscovery — or a refocusing of attention." The ALL is about the length of a small thumb. The band connects the thigh bone to the shinbone on the outside of the leg. The ligament probably helps to keep the knee from rotating inward, the researchers suggest. Damage to the ALL may be one reason why some people don't bounce back after ACL surgery. About 9 in 10 people who have their ACL repaired can return to sports with no problems at all, Rodeo says. But for some, the knee still isn't quite right. It buckles abnormally or gives way during sports. "The ALL may have a role in small percentage of patients with persistent problems after the reconstruction of their ACL," Rodeo says. "We need to learn more about its function and pay more attention to it." Even after ACL surgery is successful, Rodeo says, about half of people develop arthritis in the knee 15 years later. "The next frontier in knee surgery is preventing arthritis," he says. "Should we start to focus on this ligamet? Maybe." |
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11-08-2013, 12:40 AM | #16 | |
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But not exactly my point |
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11-08-2013, 12:41 AM | #17 | |
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11-08-2013, 12:48 AM | #18 | |
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Anyway, my bitch is that there is far far far too much shoddy "science" in the medical field and the entire field is far too forgiving of it. I'm not some anti-science weirdo who believes in crystals or chiropractors or other voodoo bullshit. Quite the opposite, I just want better, HARDER science with my medicine. P.S. as I stated that is not MOLECULAR BIOLOGY unless you want to state (which is true) that everything can be REDUCED to molecular biology. |
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11-08-2013, 12:56 AM | #19 | |
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11-08-2013, 12:57 AM | #20 | |
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It wasn't stated as a law, but that was the best assumption given that you had a period of clinical latency for nearly a decade despite evidence of a virus that destroys CD4 cells and other elements of the immune system. Ultimately, you are expecting better "harder" science there, while conveniently ignoring the litanies of false proclamations made by those you most prize. Surely you remember the claim that the human genome would find over 2 million unique genes.
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11-08-2013, 12:59 AM | #21 | |
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That was part of the reason behind the initial theraputic push called "hit it hard, hit it early."
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11-08-2013, 01:03 AM | #22 | |
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And yes I read the article you mentioned and another that was bit more hopeful on the subject. I'll see if I can find it. |
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11-08-2013, 01:06 AM | #23 | ||
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Oh, I am not saying that the geneticists are perfect by any means. No field is perfect. I am just talking relative standards of acceptability. Pointing out to me the failings of one doesn't less the far greater failings of the other. |
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11-08-2013, 01:07 AM | #24 | |
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CDcox, ignore my post and pretend I said this. |
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11-08-2013, 01:07 AM | #25 | |
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I'm not familiar all the dismissed theories of HIV from the 1980s. |
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11-08-2013, 01:09 AM | #26 |
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Personally, I am not aware of evidence that medical doctors make errors at significantly higher rates than do researchers.
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11-08-2013, 01:15 AM | #27 |
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Practitioners and researchers are two different animals. It's like comparing a coal fired power plant operator to someone researching fusion reactors as a power source.
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11-08-2013, 01:21 AM | #28 | ||
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And to be honest my bias is just that... MY BIAS based on my perception of different aspects of the field over the years. As someone who respects science I will fully admit that I am limited in that regard and could be wrong. But SERIOUSLY, a LIGAMENT? That's ****ed up. |
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11-08-2013, 01:24 AM | #29 | |
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11-08-2013, 07:34 AM | #30 |
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I am currently recovering from ACL reconstruction and I'm doing ok, but even after 9 months, its difficult to run, in fact, I don't because my knee swells bad and it ****ing hurts. Plus lounges have been difficult. I wonder if my ALL is all ****ed up. I do have pain on the outside of my knee.
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