Stent
-Delile
I-Stent yishubhu elincane elenziwe ngocingo lwensimbi olubunjiwe nolunwebekayo, olubekwa ngaphakathi komthambo, ukuze luhlale luvulekile, ngaleyo ndlela kugwenywe ukwehla kokugeleza kwegazi ngenxa yokuvaleka.
Yenzelwe ini
I-stent isebenza ukuvula imikhumbi enobubanzi obuncishisiwe, ithuthukisa ukugeleza kwegazi kanye nenani le-oxygen elifinyelela ezithweni.
Ngokuvamile, ama-Stents asetshenziswa ezimweni zeziguli ezinesifo se-coronary ezifana ne-Acute Myocardial Infarction noma i-Angina engaqiniseki noma ngisho, ezimweni ze-ischemia ethulile, lapho isiguli sithola ukuthi sinomkhumbi ovinjiwe ngokuhlolwa kokuhlolwa. Lawa ma-stents akhonjisiwe ezimweni zezilonda zokuvimbela ezingaphezu kuka-70%. Zingasetshenziswa nakwezinye izindawo ezinjenge:
- Imithambo ye-Carotid, coronary ne-iliac;
- Amapayipi amaBili;
- Umphetho;
- Ikholoni;
- I-Trachea;
- Amapancreas;
- IDuodenum;
- I-Urethra.
Izinhlobo ze-Stent
Izinhlobo zama-stents ziyahlukahluka ngokuya ngesakhiwo nokwakheka kwazo.
Ngokwesakhiwo, zingaba:
- I-stent eluting drug: zifakwe imishanguzo ezokhishwa kancane kancane emthanjeni ukuze kunciphise ukwakheka kwe-thrombi ngaphakathi kwayo;
- I-coent stent: vimbela izindawo ezibuthakathaka ekugoba. Iwusizo kakhulu kuma-aneurysms;
- I-radioactive stent: khipha amanani amancane emisebe yegazi emthanjeni wegazi ukunciphisa ingozi yokuqongelela izicubu ezibomvu;
- I-bioactive stent: zifakwe izinto zemvelo noma zokwenziwa;
- I-stent ebolayo: chaza ngokuhamba kwesikhathi, ngenzuzo yokukwazi ukwenza i-MRI ngemuva kokuqedwa.
Ngokwesakhiwo, zingaba:
- I-Spent stent: ziyaguquguquka kodwa ziqinile kancane;
- Ikhoyili stent: ziyakwazi ukuguquguquka, zikwazi ukuzivumelanisa nemijikelezo yemithambo yegazi;
- I-Mesh stent: ingxube yekhoyili ne-spiral stents.
Kubalulekile ukugcizelela ukuthi i-stent ingadala i-restenosis, lapho umthambo uncipha futhi, kudinga, kwezinye izimo, ukufakwa kwesinye isitofu ngaphakathi kwesitofu esivaliwe.
Abelana
I-Pilonidal Sinus
