Maitiro eElectrodiagnostic anobatsira nehutachiona hwehutano uye hutachiona hutsva
Electromyography (EMG) uye zvidzidzo zvekuita nerve (NCS) zvivako zvinoshandiswa pakuongorora zvirwere zvinobatsira maitiro emagetsi kutsvaga uye kugadzirisa zvinokonzera zvirwere zvinokanganisa misumbu nemirwere yeperiipheral. MuEGG, nhovo duku inowanikwa mumusungo kuitira kuti ione basa remagetsi. Mukudzidzira kwehutano hwemagetsi, magetsi anoshandiswa paganda rinenge riri musungo, uye mamwe mabhidhiyo ekurekodha anonamatirwa pane imwe nzvimbo pane imwe nhavo imwechete.
Kushamiswa kuduku kunoshandiswa, uye kushandiswa kwemagetsi kwakanyorwa.
Kunyange zvazvo EMG neCSS vachiedzwa zvakasiyana, zvinowanzoshandiswa pamwe chete nokuti ruzivo rwakawanikwa kubva kune rumwe ruedzo runobatsira. Iyo miviri miviri pamwe chete inowanzove yakadzidzisa kupfuura inoshandiswa yoga, kunze kwemamiriro ezvinhu chaiwo.
Kunzwisisa NCS Results
Chiratidzo chemagetsi chakatumirwa pamwe chete nexon yeropa chinonzi chiito chinogona. Mukudzidzira kwehutano hwehutano, izvi zvinogona kuitwa zvinogadzirwa nemaitiro ekugadzirisa magetsi kuitira kuongorora kuti sei axon inopindura sei.
Iko kune zvikamu zviviri zvakakosha zvechirwere chekunyatsodzidza-chinonzwa uye motokari. Kunyora kunobva mushungurudzo inonzwika kunopa manzwiro emagariro anokanganisa (SNAP), uye kutumira kubva musumbu kunobereka musanganiswa wemusana unogona kuita (CMAP).
Mamwe mazita aungasangana nawo mumushumo weEEMG kana NCS unosanganisira zvinotevera:
- Amplitude: Chiratidzo chemagetsi chinomiririrwa semafungu, uye kukwirira kwaro kukwirira.
- Kuchengetedza velocity (CV): Inonzi conduction velocity inotsanangura kukurumidza kwokuti kusvibiswa kwemagetsi kunofamba pamwe nemutsara.
- Nguva Yakareba: Izvi zvinotsanangura upamhi hwegetsi regesi.
- Kuchengetedza: Ichi ndicho kuderera kwechiratidzo kune imwe nzvimbo yakadai sekristani. Izvi zvinoratidzira musungo wechipfuva, sezvinonzi carpal tunnel syndrome .
- F kufungisisa: F F wave inoratidziro rwemagetsi, iyo inofungidzira inofamba ichienda kumucheto uye yobva yadzoka ichienda kune imwe fiber. Izvo zvinopa pfungwa yekutenderera pamwe chete nehurefu hwose hwemagetsi.
- H kufungidzira: H H wave ndiyo inofanana neyemagetsi yemafungiro mumakumbo. Kushanyirwa kunofamba kumutsipa wepelinha kuburikidza nehutano hwekunzwa, ndokubva adzokera shure nemudhudhudhu.
Aya matanho anopa ruzivo pamusoro pese motokari uye nhengo dzemuviri wehutachiona hwehutachiona hwehurumende . Vanoratidzawo kana iyo axon kana myelin sheath yemitsipa yakanyanya kukuvadzwa neuropathy. Myelin anobatsira kuita zvinogona kufamba nokukurumidza, uye saka mumatambudziko e myelin (myelinopathies), conduction velocity inoderera. Mumatambudziko nexxon (axonopathies), fikisi dzisina kusimba dzinogona kuisa zviratidzo panguva yakasununguka, asi kune zvishoma zvidhi, izvo zvinotungamirira kuchiratidzo chisina simba uye kuderedza simba.
Kunzwisisa EMG Zvakawanikwa
Apo EMG inenge yaitwa, magetsi anoshandiswa kubva mumasikironi emisumbu anoyerwa uye anoratidzwa semafungu echinyorwa uye mhere-sematinzwi akaita semukurukuri. Iyo nyanzvi inoteerera inzwi iri uye rinotarisa gadziriro kuitira kuti ione kusagadzikana.
Apo nhaurwa inokurudzira musungo kuti uite chibvumirano, chigumisiro ndechekuputika kwemaitiro emagetsi anonzi motori unit unit potential (MUP).
Muzvirwere zvekunze kwemitsipa, misungo dzimwe nguva inotanga kuita mabasa ega ega ega. Izvi zvinogona kuonekwa ne EMG sefibrillations uye majeko akasimba akajeka pamusana. Dzimwe nguva kusakoshesa kunokonzera maitiro anooneka anonzi musciculations.
Kana nharo yakakuvadzwa uye inodzokazve, mutsara unoendesa kubazi kuti uise nzvimbo yakakura. Izvi zvinokonzera MUPs zvisina kukwana zvikuru. Kana MUPs iri duku zvishoma kana kuti pfupi inoratidzira kuvapo kwechirwere chepfungwa (a myopathy).
Vanachiremba vanodudzira zvinyorwa zveEGG vangareva zvakare izwi rokuti "purogiramu yekushandira." Sezvakaita musuru, zvibhakera zvinoratidza zvirwere zvemasumbu (zvinonzi motokari mairi) kuti zvibatsire uye zvibatsire.
Mune chirwere chinokonzerwa neuropathic, iyo yakakura yezvikwata zvinokonzera zvakasimba, asi kune zvishoma zvayo nokuti mutsara haugone kuwirirana kune maundi akawanda. Myopathies, nhamba yemotokari inowanzoitika, asi hukuru hwakakura.
Nzira yemagetsi inobudiswa kubva musumbu inogona kupa ruzivo rwakawedzerwa maererano nechinokonzera dambudziko racho, uye inogona kubatsira kuziva kuti yakareba dambudziko rakaita sei.
Kududzirwa kweEEM uye NCSs hakurevi nguva dzose uye hakusi nguva dzose kunotungamirira kune imwe chete inogona kuongororwa-asi kuedza kunogona kuderedza nhamba yezviitiko zvekuongorora.
Sources:
Kushandisa AR, Sander HW, Clinical Approach Periipheral Neuropathy: Anatomic Localization uye Kuongorora Kuongororwa. Continuum; Bhuku 18, No 1, February 2012.
> Blumenfeld H. Neuroanatomy Kupinda Clinical Cases . Sunderland, MA: Sinauer Associates, Inc. Vaparidzi; 2014.