Stent

-Delile

• Yenzelwe ini
• Izinhlobo ze-Stent

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.