Ukuphindaphindiwe kwe-ventricular tachycardia (RMVT) uhlobo olungavamile lwe -tachycardia ye- ventricular ejwayele ukuvela kubantu abasha abanhliziyo zabo ezivamile. Lokhu kuhluke kakhulu kumhlobo ovamile we-tachycardia ye-ventricular, okuvame ukubonwa kubantu asebekhulile abanesifo se- coronary disease noma ukuhluleka kwenhliziyo .
Izimpawu ze-RMVT
I-RMVT ivame ukukhiqiza "ukuqhuma" okungajwayelekile okuqhubekayo, okuncane okungapheli kwe-tricycardia ye-ventricular, nakuba kuvamile ukuthi abantu abanalesi simo babe neziqephu zesikhathi eside /
Izimpawu ezivame kakhulu ezibangelwa yi-RMVT ziyi- palpitations kanye nesiyezi . Kungavamile kakhulu, i- syncope (ukulahlekelwa kwengqondo) nayo ingenzeka. Ngenhlanhla, ingozi yokuboshwa komzimba nokufa okungazelelwe nge-RMVT kubonakala sengathi iphansi kakhulu.
I-tachycardia ye-ventricular ehlobene ne-RMVT ingabangela izimo lapho amazinga e-adrenalin ephakanyisiwe. Ngakho-ke, abantu abane-RMVT banamathuba amaningi okuzwa izimpawu ngokuzivocavoca (ikakhulukazi, ngesikhathi sokufudumala ngokushesha ngemva kokusebenzisa umzimba), noma ngezikhathi zokucindezeleka okukhulu ngokomzwelo. Eqinisweni, ukuhlolwa kokucindezeleka - okuyinto evame ukuzala i-arrhythmia - kuyindlela enokwethenjelwa yokuthola i-RMVT.
Ubani othola i-RMVT?
I-RMVT ibonakala cishe kubantu abangaphansi kweminyaka engama-40 noma engu-45 ubudala, futhi kubonakala sengathi iphawuleka kakhulu kubadlali. Abanye ochwepheshe baye bacacisa ukuthi abaningi abangewona amageyimu abazalwa nge-propensity ye-RMVT akumane neze bakhiqize amazinga aphezulu okucindezeleka ngokomzimba okudingekayo ngezinye izikhathi ukuze aqalise lezi zi-arrhythmias.
Ngenkathi kubonakala sengathi imbangela engokwemvelo yofuzo, lokhu akuzange kuboniswe.
Ukuphatha i-RMVT
Ukwelashwa kwe-RMVT kungenziwa nge-therapy yezokwelapha noma nge- ablation therapy . I-defibrillator engenawo imfucuza ayifanelekile neze ku-RMVT, ngoba ingozi yokufa kungazelelwe iphansi.
Ngenhlanhla, i-RMVT ingavame ukulawulwa nge- calcium blocker (verapamil) noma nge- beta blockers (njenge-propranolol) - izidakamizwa ezivame ukuveza imiphumela embalwa emibi.
Uma lezi zidakamizwa zinganiki okwanele kwe-tachycardia ye-ventricular, ukusetshenziswa kwezidakamizwa ezinamandla okulwa nokudla okunamandla kungacatshangwa, nakuba lezi zidakamizwa zivame ukwenza ubuthi obuningi.
Eziningi iziguli ezine-RMVT, i-tachycardia ye-ventricular ivela endaweni yendawo engxenyeni engenhla ye-ventricle efanele, ngaphansi kwe-valve ye-pulmonic. Ezigulini ezimbalwa ezine-RMVT, i-arrhythmia ivela endaweni efanayo e-ventricle yangakwesokunxele - okungukuthi, ngezansi kwe-valve ye-aortic.
Kunoma yikuphi, iqiniso lokuthi imvelaphi ye-arrhythmia ingahlukaniswa nendawo ethile yenza i-RMVT ifinyeleleke ekwelapheni kwe-ablation. Ukuphumula okuphumelelayo kwe-RMVT kungatholakala kuma-90% weziguli ezinezimo.
Njengoba kunikezwe lokhu okukhethwa kukho ukwelashwa, ochwepheshe abaningi bazoqala ukuzama ukuphatha isiguli nge-RMVT besebenzisa i-verapamil kanye / noma i-bloa blocker. Uma lokho kungaphumeleli, ukwelashwa kwe-ablation ngokuvamile kubhekwa njengesinyathelo esilandelayo. Enye indlela noma enye, ngokunakekelwa kahle kwezempilo ama-arrhythmias ahlobene ne-RMVT ngokuvamile angalawulwa noma aqedwe.
Izwi elivela
I-RMVT uhlobo oluthile lwe-tachycardia ye-ventricular ebonwa ngabantu abasha abanobungane - ikakhulukazi kubadlali.
Ngenkathi ingozi yokufa evela ku-RMVT ibonakala iphansi kakhulu, lokhu ku-arrhythmia kungaphazamisa impilo yomuntu. Ngenhlanhla, ngezokwelapha ezifanele kungalawulwa noma kuqedwe.
> Imithombo :.
> Fogoros RN, Mandrola JM. Ablation of PVCs kanye Ventricular Tachycardia. Ku: Ukuhlolwa kwe-Electrophysiologic kaFogoros, 6, uJohn Wiley & Sons, Oxford, 2017.
> Klein LS, Shih HT, Hackett FK, et al. I-Radiofrequency Catheter Ablation Of Tachycardia Yesivunguvungu Ezigulini Ngaphandle Kwesifo Sezinhliziyo Zesakhiwo. Ukujikeleza kuka-1992; 85: 1666.
> Prystowsky EN, Padanilam BJ, Joshi S, et al. Arrhythmias ye-Ventricular In the Absence Of Structural Heart Heart. Journal of the American College of Cardiology 2012; 59: 1733-1744.