ImpiloImithi

Lisho ukuthini-MRI ikhanda? Magnetic resonance imaging

Magnetic resonance imaging ingenye yezindlela ezintsha kakhulu futhi ephumelelayo ekuxilongweni izifo ubuchopho, ikakhulukazi umsuka zezinzwa. indlela MRI kuyinto ahlolisise ezinye zezendlalelo zobuchopho, kanye ukuthola kwezinso e oyiyo. Traditional x-ray akukuniki isaziso ebonisa ukuthi i-MRI ekhanda.

Kuyini ukufakwa

ama-apharathasi ejwayelekile imaging ifana omkhulu cylindrical tube lizungezwe uzibuthe. Isiguli amanga etafuleni oshukumisayo cwaningo, beya ngaphakathi uzibuthe. Ukufanekisa Specific (design nge Umhubhe encane) akhiqizwa ngokulandelana kukazibuthe kuhlanganisa ithebula nesineke akuyona ngokugcwele.

Kukhona ama-apharathasi MRI, okuyinto evulekile phezu izingxenye ohlangothini. uhlelo ezinjalo kusebenza kahle futhi ukuhlola abantu njengokhuluphele ngokweqile, labo besaba izikhala avaliwe. Isethi samanje magnetic resonance imagers ukunikeza ithuba lokwenza isibhamu esikhulu ngesikhathi survey ezahlukene. Yize kunjalo, uma ufake imodeli elula esetshenziswa uzibuthe yisikhathi, ikhwalithi ukubonakala kungancipha. Kukhona izifundo ukuthi iyunithi evulekile asikwazi ukwenziwa.

Izenzo ukwenza tomography

Izimpawu ze-MRI izitsha ikhanda kungaba:

  • ukuphathwa ikhanda ezingamahlalakhona;
  • Kwenhlekelele okulimala ebuchosheni;
  • Ngokuvamile avele nesiyezi;
  • ukuquleka efana sokuwa;
  • Impilo iziyaluyalu uhlelo semithambo;
  • unhlangothi;
  • turbidity kanye nokulahlekelwa ukwazi;
  • ukuhlolwa eqinisekisa khona zokwakheka;
  • Ukwenyuswa noma kwanciphisa ingcindezi.

Lapho izimpawu ngenhla kufanele cishe i-MRI. A isimila ebuchosheni, okungenzeka sekuvele ngenxa yokwelashwa imisiwe kudokotela, lena akuyona neze indaba ehlekisayo. Uma iphuzu imaging ukuze ukungabi yezinkinga ekhanda ke kubalulekile ukufuna imbangela kwenye indawo.

Kukuziphi izici esetshenziswa MRI

Magnetic resonance imaging isetshenziselwa ukuzimisela ezinye izifo izimo ezifana nalezi:

  • umsuka ukuthola ukuphathwa ikhanda;
  • yezifo zengaphakathi lendlebe futhi iso;
  • unhlangothi;
  • ukusebenza ukwehluleka nezifo cerebrovascular (isib aneurysms);
  • umkhuhlane pituitary;
  • ukuhlukumezeka;
  • izifo ezithize letindzala isimiso sezinzwa (multiple sclerosis);
  • ebuchosheni.

Indlela ukulungiselela inqubo

ukuqeqeshwa okukhethekile kuyadingeka kuphela uma ingaphakathi lesisu nokutadisha izitho okhalo. Ezinsukwini ezintathu ngaphambi komhlangano inhlolovo uzodinga athobele Ukudla glycoprivous, futhi usuku - thatha ukudla okulula, futhi ungaphuzi itiye eqinile futhi ikhofi, udokotela yena baqhubeka ukwazi ukunquma ukuthi MRI libonisa ikhanda lesiguli. Isiguli namanje akavunyelwe amahora 5 ngaphambi umcimbi ukusebenzisa amanzi nokudla.

Ukulungiselela i-imaging ngaphansi izinzwa

Kulesi simo, njengoba kukhona imithetho ethile ukulungiselela, okuyilezi:

  • njalo ubonane nodokotela;
  • kudlule cwaningo kudingekile;
  • akuvumelekile inkezo 1 amahora 2 ngaphambi wokuhlola;
  • Ukudla zingafundwa 9:00 ngaphambi kwesifundo;
  • Uma isiguli othwala contact lens, kufanele wazise izinzwa;
  • musa ukuhlanza imikhiqizo ukunakekelwa kwesikhumba, ikakhulukazi, azisebenzi izimonyo;
  • ushiye ekamelweni olandelayo zonke lokuxhuma metal izesekeli (kuhlanganise imigexo, amazinyo okufakelwa).

Kangakanani inhlolovo

Indlela yokwenza i-MRI ingqondo nendlela wachitha? Manje okwengeziwe ngale okuzoxoxwa ngayo. Ukufanekisa engenziwa ngokulandelana esibhedlela kanti indlela ambulatory. radiologist Umsizi ubeka isiguli etafuleni ezithathekayo, isikhundla umzimba yakhe iqinile esebenzisa ezinamasondo eyengeziwe kanye amabhande, sandla isikhundla salo ethule. Obungazungeza endaweni wahlola we amamojuli umzimba ahlelwe izintambo ukuthi ukuthola nokuthumela namagagasi omsakazo. Lapho ingqondo MRI ukufaka ezibekwe eduze ekhanda.

Uma kukhona isidingo sokusebenzisa i-ejenti ukungafani inqubo ukuhlolwa ke umhlengikazi kungaba ufaka ipayipi e vein ingalo. Ukuze tube kungenziwa exhunywe ne ibhodlela nosawoti bokuphila, enezela uhlelo iyunifomu egeza. Lokhu kungabi sengxenyeni odla nokufakwa yayo ngaphambi impahla umehluko. Lapho beqeda konke zokukhwabanisa wokulungiselela kwetafula nesineke udluliselwa ingaphakathi kukazibuthe, okuyinto ngokwaso i umshini i-MRI. Radiology futhi Medical ezincane iqhaza luhlolo aphume ekamelweni ukwelashwa.

Ngemva kwesifundo udokotela ithumela nesineke ku ephasishi ukulinda umphumela kwaqedwa izithombe, njengoba kungase kudingeke i uchungechunge ezengeziwe kwezithombe.

inqubo imaging ngokuvamile siqukethe le ukukhiqizwa amabalazwe ngokulandelana. Ngamunye wabo ethatha imizuzwana embalwa. Futhi kwenzeka uqobo kuvame ukuthatha endaweni ethile ngemizuzu engu-45.

Ngaphezu ubuchopho MRI (izibuyekezo ngakho, ungakwazi kuphela ukuzwa okuhle) kwenziwa okwamanje, futhi i-magnetic resonance spectroscopy, okuvumela ukuba ahlole imisebenzi kwamakhemikhali ngaphakathi engqamuzaneni. ukuhlolwa okunjalo kuthatha ezengeziwe imizuzu engu-15.

Izinzuzo MRI

MRI kunezinzuzo eziningana.

  1. Tomography - a imaging indlela noninvasive okuyinto ongakaphathelani isenzo ionizing emisebeni.
  2. MRI kwenza kube nokwenzeka ukubona anomalies ukuthi azibonakali ngenxa thambo ezinye izindlela zokuthwebula izithombe zokwelapha.
  3. Magnetic resonance izithombe ubuchopho nezinye izingxenye ikhanda, nazo imininingwane eminingi futhi ekhululekile kuka kwezinye izinhlelo. Lesi sici kwenza tomography ithuluzi eliyigugu uphethwe kokuqala, ukuthola izifo ezitshiyeneyo, wakhupha izimila.
  4. I-ejenti Ngokuphambene elisetshenziswa inhlolovo ukuze sibonise ukuthi libonisa MRI ikhanda kuphakamisa imiphumela iguliswa esingaphansi impahla Ngokuphambene esekelwe iodine esetshenziselwa ezivamile-X-ray.
  5. Magnetic resonance imaging kungathola unhlangothi lapho besanda kuqala kakhulu, okubonisa ukunyakaza yamanzi izicubu microparticles. Lokhu ukuhamba kwamanzi, okuthiwa ukwanda okusheshayo, wabhubhisa iningi imivimbo.
  6. MRI zisiza odokotela ukuqapha isimo kwesakhiwo izingxenye zobuchopho.
  7. Enye yawo, eyayaziwa ngokuthi i-magnetic resonance angiography (MRA) inikeza ukubona ngeso obuphelele yegazi ebuchosheni njalo ngisho ngaphandle Ngokuphambene ejenti.
  8. MRI ikhanda, intengo zazo manje simi ruble 3,500. 5000 RUB., Kuyinto advantageously ithuluzi undoubted sizibone izimila ebuchosheni.

Yini engase ibe izingozi

  1. Uma izinzwa isetshenziswa, kukhona kungenzeka ukupholisa ngokweqile. I technologist noma umhlengikazi ukubukela imisebenzi ebalulekile ukuze sinciphise lokhu kungenzeka.
  2. inqubo-MRI cishe ingozi isiguli Ngokwesilinganiso, uma silandela imithetho yokuphepha.
  3. Kukhona encane kakhulu yemiphumela iguliswa uma injected Ngokuphambene impahla. Lezi ukusabela kuvame kubonakala khona kancane futhi ngaphandle kwezinkinga ihlolwe ngokusebenzisa izidakamizwa. Futhi ngenkathi imiphumela MRI zobuchopho ebonakalayo.
  4. Okwamanje, i-side effect of imaging ubhekwa nephrogenic cystic letindzala. Nokho, lokhu akwenzeki njalo, futhi le nkinga kwembulwe ngenxa yokuphathwa umthamo omkhulu umehluko ejenti kanye neziguli gadolinium nge abampofu kakhulu umsebenzi izinso.
  5. Naphezu kweqiniso lokuthi abantu abanegunya kazibuthe ayiyona ingozi, amadivayisi ezifakelwa wezokwelapha, okuyinto yakhiwa metal, kungase kubangele ukulimala noma ibakhathaze ngesikhathi i-MRI.

Ubani ongafaka ibhekane inqubo

Magnetic resonance imaging akubangi ukulimala umuntu, uma izinyathelo ezokuphepha ziyalandelwa. Iziguli kokuba ahlinzwe inhliziyo noma iziguli ezine izilungiselelo ezithile zokwelapha kalula uhambe ngenqubo futhi uthole ukuthi yini ebonisa MRI ikhanda kanye nezinye izitho. Amadivayisi atholakalayo:

  • inhliziyo umphini (ngaphandle - yezinyoni ibhola noma insimbi);
  • sutures kuhlinzwa noma iziqeshana;
  • vena cava izihlungi;
  • amalunga omzimba yokufakelwa;
  • shuntovannye amashubhu ngoba iphimbo;
  • ukudla;
  • unqamukile Isikali amaphampu.

Izimo

Ukuze nezimfuneko ezithile, le-MRI ngeke nje kusilimaze, uma ikhona:

  • kokuzwa izimila;
  • umshini wokulawula ukushaya kwenhliziyo;
  • metal izinto amehlo;
  • isisindo ezingaphezu kuka-140 kg;
  • ezinzima nesifo samaphaphu (dysplasia bronchopulmonary, tracheomalacia);
  • ukhulelwe;
  • Gastroesophageal isifo Reflux;
  • utshalwe insulini amaphampu (ukuze bathole ukwelashwa sikashukela);
  • Cerebral useshonile isiqeshana (steel isiqeshana womkhumbi igazi ekhanda);
  • claustrophobia;
  • Wawufaka induku lokuqinisa yomgogodla.

Uma ingane Kwenziwa MRI ekhanda (intengo lezo zinqubo kuzoncika lapho bephethe, kodwa ngokwesilinganiso kuvela 2500 deda.), Bese kudingeka libheke kusengaphambili ne technologist imaging. Ngoba izingane zinzima kakhulu ukusekela ngaphandle ezihambayo isikhathi eside. Kulesi simo, sebenzisa imithi sine - elele amaphilisi, sedatives noma izinzwa. Futhi, uma kunesidingo, abazali avunyelwe ukuba ingane kulolu cwaningo MRI izivivinyo.

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