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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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Ní raibh a maighnéad Teiripe Cabhair “Glaoch ar an Ears” Márta 29, 2011 ag Emma Comhdaithe faoi Réadmhaoin, Tinnitus Nuacht NUA-EABHRAC (Reuters Sláinte) – A leanúnach annoying ringing sa chluasa – tinnitus ar a dtugtar – ní raibh dul amach nuair a rinne taighdeoirí othair zapping’ cinn le haighneachtaí i staidéar le déanaí. smaoineamh ar na taighdeoirí ag obair fós d'fhéadfadh teiripe maighnéadach, más féidir leo teacht ar an gcuid ceart an inchinn a chur i bhfeidhm a. “Ní bhfuarthas an láthair againn go fóill milis,” Dúirt an Dr. Jay Piccirillo, an t-údar thoradh an staidéir agus ina ollamh de cluas, srón agus máinliacht scornach i Washington Scoil an Leighis in Ollscoil Naomh Louis, Missouri. Tinnitus é ba chúis leis an “phantom” fuaim, Shíl a bheith leis an toradh atá ar mis-wired cealla inchinn. Is é an coinníoll coitianta. Staidéar amháin Meastar go 50 milliún ainsealach taithí ringing Meiriceánaigh ina chluasa am éigin ina saol. Piccirillo dúirt nach daoine is mó a bhfuil bothered ag an glaoch. A codán fíorbheag de dhaoine atá crippled ag an fhuaim, áfach,. Roinnt bheith bochtaineachta, nó fiú féinmharfacha. Dochtúirí a cóireáil an othair sa staidéar atá ann faoi láthair a ghintear tonntracha lasmuigh de gach ceann an duine sin go bhfuil taisteal tríd an cloigeann isteach ar an inchinn; Bheadh na dtonnta rewire sealadach na hinchinne's ciorcaid. staidéir a roinnt san Eoraip a fuarthas amach go féidir seisiúin teiripe maighnéadacha den sórt sin le faoiseamh a chluas ringing. Sna Stáit Aontaithe, haighneachtaí a sheoladh chuig an inchinn atá formheasta le húsáid in othair le dúlagar, ach tá sé ach turgnamhach do tinnitus. Piccirillo agus a chomhghleacaithe earcaíodh 14 n-othar a bhí bothered mór an glaoch a chluasa. Gach ceann díobh a fuarthas 10 cóireálacha le maighnéad thar thréimhse 2-tseachtain, agus ceann eile 10 seisiúin thar eile 2 seachtaine ag baint úsáide as maighnéad falsa. An t-ordú ar an tseachtain 2-tréimhsí a bhí iompaithe i leath na n-othar. Tar éis na cóireálacha, an glaoch raibh aon níos fearr ná riamh. Agus nuair a d'iarr fhoireann Piccirillo's rannpháirtithe a chóireáil a cheap siad a fuair siad an chéad – an maighnéad réadach nó an maighnéad falsa – Bhí an freagra ceart ach leath an t-am – thoradh díreach chomh maith le deis. Piccirillo dúirt Reuters Sláinte ní thugann sé suas ar an teiripe maighnéadach. “Níl aon amhras na maighnéid obair a atheagrú naisc inchinn. Ach níl a fhios againn nuair a chur ar an maighnéad, agus cá fhad.” Sa staidéar seo, Cuireadh an maighnéad in aice leis an othar’ chluas chlé, ag an gcuid sin den inchinn a phróiseálfaidh fuaime. An Dr. Robert Folmer, ina ollamh de cluas, srón agus máinliacht scornach ag an Sláinte agus Eolaíochta, Ollscoil Oregon, athbhreithniú ar an staidéar ar Reuters Sláinte. Folmer, nach raibh baint acu leis an taighde, Mhol roinnt cúiseanna a d'fhéadfadh a mhíniú cén fáth nach raibh Piccirillo staidéar ar obair, nuair a bhain úsáid as staidéir roimhe seo go rathúil maighnéid faoiseamh a chluas ringing. D'fhéadfadh dhá sheachtain de chóireáil a bheith ró-ghairid chun go bhféadfaidh an inchinn a cheartú ar an glaoch, dúirt sé. Agus is é ní dócha gurb é an taobh clé den cloigeann an áit ceart a chur ar an corna maighnéadach i gach othar. “Den chuid is mó a bhí mé cineál ionadh a fháil amach cé mhéad duine a bhí sa staidéar seo,” Dúirt Folmer. Tá ceithre cinn déag “líon an-bheag de dhaoine.” Piccirillo dúirt go raibh sé beartaithe a fhoireann a chur san áireamh 55 daoine, ach nuair a thuig siad nach raibh an chóireáil ag obair shocraigh siad a stopadh. “Tá sé thar a bheith nach dócha go mbeadh tú ag feiceáil éifeacht dá leanfadh muid an staidéar,” Dúirt Piccirillo. D'aontaigh sé go mb'fhéidir go mbeadh an chóir a bheith ró-ghearr. Is é a grúpa ag cur tús le triail nua le 4 seachtaine ó cóireálacha in ionad 2 seachtaine. Folmer ró ag tosnú go luath staidéar ar teiripe maighnéadach, i 160 othair a bhfuil tinnitus. Beidh sé grúpa an maighnéad a iarraidh ar an taobh clé den cheann i roinnt othar, agus ar an taobh dheis i gcásanna eile. Is é an t-achomharc de teiripe maighnéadach go bhfuil sé ag súil le laghdú iarbhír an glaoch i ndaoine chluasa. Faoi láthair, na cóireálacha atá ar fáil – cosúil le teiripe cainte agus cógais antidepressant – Níl fáil réidh leis an torann; leo cabhrú le daoine dul i ngleic leis ach. Tá staidéar federally-mhaoinithe Piccirillo's a foilsíodh in eagrán mí Márta na Cartlainne na Otolaryngology-Cheann agus muineál Máinliacht. Foinse: Cartlann na n-Cheann Otolaryngology agus Máinliacht muineál, Márta 2011.