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Magnet Therapy Didn’t Help “Ringing in the Ears” March 29, 2011 by Emma Filed under Featured, Tinnitus News NEW YORK (Reuters Health) – A constant annoying ringing in the ears – called tinnitus – didn’t go away when researchers tried zapping patients’ heads with magnetic waves in a recent study. The researchers still think magnetic therapy could work, if they can find the right part of the brain to apply it to. “We haven’t found the sweet spot yet,” said Dr. Jay Piccirillo, the lead author of the study and a professor of ear, nose and throat surgery at Washington University School of Medicine in St Louis, Missouri. Tinnitus is caused by a “phantom” sound, thought to be the result of mis-wired brain cells. The condition is common. One study estimated that 50 million Americans experience chronic ringing in their ears at some point in their lives. Piccirillo said most people are not bothered by the ringing. A very small fraction of people are crippled by the sound, however. Some become depressed, or even suicidal. Doctors who treated the patients in the current study generated magnetic waves outside each person’s head that traveled through the skull into the brain; the waves would temporarily rewire the brain’s circuits. Several studies in Europe have found that sessions of such magnetic therapy can help relieve ear ringing. In the United States, sending magnetic waves to the brain is approved for use in patients with depression, but it is only experimental for tinnitus. Piccirillo and his colleagues recruited 14 patients who were severely bothered by the ringing in their ears. All of them received 10 treatments with a magnet over a 2-week period, and another 10 sessions over another 2 weeks using a fake magnet. The order of the 2-week periods was flipped in half of the patients. After the treatments, the ringing was no better than before. And when Piccirillo’s team asked participants which treatment they thought they received first – the real magnet or the fake magnet – the answers were right only half the time – a result just as good as chance. Piccirillo told Reuters Health he’s not giving up on magnetic therapy. “There’s no doubt these magnets work to reorganize brain connections. But we don’t know where to put the magnet, and for how long.” In this study, the magnet was placed near the patients’ left ear, by the part of the brain that processes sound. Dr. Robert Folmer, a professor of ear, nose and throat surgery at the Oregon Health and Science University, reviewed the study for Reuters Health. Folmer, who was not involved in the research, suggested some reasons that could explain why Piccirillo’s study didn’t work, when previous studies have successfully used magnets to relieve ear ringing. Two weeks of treatment could be too brief to allow the brain to correct the ringing, he said. And perhaps the left side of the skull is not the correct place to put the magnetic coil in every patient. “Mostly I was kind of surprised to see how many people were in this study,” Folmer said. Fourteen is “a very small number of people.” Piccirillo said his team had planned to include 55 people, but when they realized the treatment wasn’t working they decided to stop. “It’s extremely unlikely that you would have seen an effect if we had continued the study,” Piccirillo said. He agreed that the treatment might have been too short. His group is starting a new experiment with 4 weeks of treatments instead of 2 weeks. Folmer too is soon starting a study of magnetic therapy, in 160 patients with tinnitus. His group will apply the magnet to the left side of the head in some patients, and the right side in others. The appeal of magnetic therapy is that it is expected to actually reduce the ringing in people’s ears. Currently, the available treatments – such as talk therapy and antidepressant medications – don’t get rid of the noise; they only help people cope with it. Piccirillo’s federally-funded study is published in the March issue of the Archives of Otolaryngology-Head and Neck Surgery. Source: Archives of Otolaryngology-Head and Neck Surgery, March 2011.
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Magnet Terapija nije pomogla “Zujanje u ušima” Ožujak 29, 2011 prema Emma Varalica pod Istaknuti, Tinnitus Vijesti NEW YORK (Reuters Health) – Konstanta neugodno zujanje u ušima – zove zujanje u ušima – nije otići kad su pokušali zapping bolesnika’ glave s magnetskim valovima u nedavnom istraživanju. Istraživači još uvijek misle magnetna terapija može raditi, ako oni mogu naći u desnom dijelu mozga to primijeniti na. “Nismo našli slatko mjesto još,” , rekao je dr.. Jay Piccirillo, glavni autor studije i profesor uha, nosa i grla operacije na Washington University School of Medicine u St. Louisu, Misuri. Tinnitus je uzrokovan “fantom” zvuk, Smatra se da je rezultat mis-ožičen moždanih stanica. Stanje je uobičajeno. Jedna studija procjenjuje se da 50 milijuna Amerikanaca iskustvo kronične zvoni u ušima u nekom trenutku u njihovom životu. Piccirillo rekao je većina ljudi ne smeta zvoni. Vrlo mali dio ljudi koji su osakaćen od zvuka, međutim. Neki postati depresivan, ili čak suicidalnih. Liječnici koji su liječili bolesnici u studiji generira magnetski valovi izvan svake osobe glavu koja je putovala kroz lubanju u mozak; valovi privremeno će rewire mozga krugova. Nekoliko studija u Europi su otkrili da je sjednica kao magnetska terapija može pomoći osloboditi uho zvoni. U Sjedinjenim Američkim Državama, slanje magnetski valovi mozga odobren je za uporabu u bolesnika s depresijom, ali to je samo eksperimentalno za zujanje u ušima. Piccirillo i njegovi kolege regrutiraju 14 bolesnika koji su bili ozbiljno smeta zujanje u ušima. Svi su oni dobili 10 tretmani sa magnetom preko 2-tjedno razdoblje, i još jedan 10 sjednice na drugom 2 tjedana koristeći lažni magnet. Poredak 2-tjedna razdoblja je zrcaljeno u pola pacijenata. Nakon tretmana, melodije bilo bolje nego prije. A kada Piccirillo tima pitao sudionika koji su mislili da liječenje primili prvi – pravi magnet ili lažni magnet – odgovori bili u pravu samo pola vremena – rezultat jednako dobar kao slučajni. Piccirillo rekao je za Reuters Health on ne odustaje od magnetna terapija. “Nema sumnje magneti rade u preustroju mozga veze. Ali mi ne znamo gdje staviti magnet, i koliko dugo.” U ovom istraživanju, magnet je smješten u neposrednoj blizini bolesnika’ lijevo uho, po dio mozga koji obrađuje zvuk. Robert Folmer, profesor uha, nosa i grla operacije u Oregon Health i znanosti Sveučilišta, pregledao studije za Reuters Health. Folmer, koji nije bio uključen u istraživanje, sugerirao neke razloge koji bi mogao objasniti zašto Piccirillo studiji ne rade, kada prethodnih studija su uspješno koriste magnete za ublažavanje uho zvoni. Dva tjedna tretmana može biti previše kratak da bi mozak da ispravi melodije, , kazao je. A možda lijeve strane lubanje nije ispravno mjesto za staviti magnetske zavojnice u svakog bolesnika. “Uglavnom sam bio vrsta iznenađen da vidim kako mnogi ljudi su u ovoj studiji,” Folmer, rekao je. Četrnaest je “vrlo mali broj ljudi.” Piccirillo kazao kako je njegova momčad imala planira uključiti 55 ljudi, ali kada su shvatili tretman ne radi, odlučili su prestati. “To je izuzetno malo vjerojatno da bi se vidio učinak ako mi je nastavio studij,” Piccirillo, rekao je. Složio se da liječenje može biti previše kratke. Njegova grupa je početkom novi eksperiment s 4 tjedana liječenja, umjesto 2 tjedna. Folmer prerano je pokretanje studija magnetna terapija, u 160 bolesnika sa šumom. Njegova grupa će primjenjivati magnet na lijevoj strani glave u nekih bolesnika, i desne strane u drugima. Žalba magnetska terapija je da se očekuje da će zapravo smanjiti zvoni u ušima ljudi. Trenutno, tretmani dostupni – kao što su razgovor terapije i lijekova protiv depresije – ne dobili osloboditi od buke; oni samo pomažu ljudima nositi se s njom. Piccirillo je federalno financira Istraživanje je objavljeno u ožujku broju Archives of Otolaryngology-kirurgiju glave i vrata. Izvor: Archives of Otolaryngology-kirurgiju glave i vrata, Ožujak 2011.