
takkuva sthaayi vena cava vadapotha

oka takkuva sthaayi vena cava vadapotha anedi lohamto tayaaru cheyabadina vaidya parikaram, dheenini vascular sarjanlu ledhaa interventional radiologistlu takkuva sthaayi vena cava loki amarchutaaru.
praanaantakamaina pulmonary embolism (pii) ledhaa sirala thromboembolism (vte) nuu nivaarinchandi.
eee vadapotha raktam gaddakattadanni bandhinchadaaniki mariyu oopiritittulaku daani prayaanaanni nirodhinchadaaniki roopondinchabadindi, akkada adhi pulmonary embolismnu yerparustundi. vaati prabhavam mariyu bhadrata profile baga sthirapadindi, mariyu pratiskandaka chikitsa sariponippudu vaatini upayoginchavacchu.
aivisi filterla yokka aneka deerghakaalika samasyalanu choopinchina prepic adhyayanam mariyu itara adhyayanala nundi phalitaalu tirigi pondagalige aivisi filterlanu pravesapettadaaniki daariteesaayi. modati tirigi pondagalige aivisi filterlanu 2003 mariyu 2004loe fda aamodinchindi.
2012loe, american college off chest vaidyulu teevramaina pii ledhaa teevramaina sameepa lothaina sira raktam gaddakattadam (mokali paina) unnavaariki anticogulationku vyatiraekata unnavaariki aivisi filterlanu sifaarsu chesaaru.
charitra.
modati aivisi vadapotanu 1969loe nyuu ingland journal off medisinlo thana parisoedhanalanu prachurinchina kaajee mobin-uddin roopondinchaaru. mobin-uddin vadapotha taruvaata lazar greenfield abhivruddhi chesina greenfield vadapotha dwara bharti cheyabadindi, idhi vadapotha sambandhita samasyala takkuva retunu kaligi undhi.
vaidya upayogaalu.
aneka namuunaalaku vadapotanu tirigi pondhe saamarthyam unnappatikee, vadapotha sthaanam yokka anni sandarbhaalu anumatistaayani ledhaa tirigi pondadaaniki suuchimchabadataayani haamii ivvalemu. anduvalla, shaashwata mariyu taatkaalika aivisi filterlanu eppudu upayoginchaalo nirnayinchadaaniki filterlanu saasvatamgaa unchadaaniki avasaralu mariyu suuchanalu upayoginchabadataayi.
choppinchina taruvaata aaru nelala kante ekkuva ayurdayam mariyu pratiskandakam chikitsaku anugunamgaa roogi yokka saamarthyaanni chaerchadaaniki deerghakaalika pramaada kaarakaalanu kooda parigananaloki teesukoovaali. taatkaalika mariyu shaashwata vadapotanu upayoginchaalane nirnayam praathamikamgaa oopiritittula emboli gunde mariyu oopiritittulaku vellakundaa nirodhinchadaaniki avasaramaina rakshana kaala vyavadhiki mudipadi untundi. atuvanti maargadarsakam krinda vivarinchabadindih
suuchika vargaalu.
vena cava filterla samarthathapai aneka adhyayanalu jariginappatikee, praamaanika maargadarsakaalaku sambandhinchi filterlanu vaastavamgaa unchadam mariyu tolaginchadam gurinchi inca etuvanti pradhana adhyayanalu jaragaledu. anduke interventional radiology society oka bahula vibhagala pyaanelnu srushtinchindi, idhi evarainaa implantationku arhata kaligi unnara anie chuudataaniki eee krindi maargadarsakaalanu abhivruddhi chesindi
sampoorna suuchanalu.
ivi pulmonary embolus vachhe pramaadam ekkuvagaa unnanduna, aivisi filter placementnu kaligi undadaanni gattiga pariganinchavalasina rogulu.
saapeksha suuchanalu.
idhi bahusha oka vargam; saadhaaranamgaa idhi aivisi filter nundi prayojanam pondagala rogulanu suuchistumdi, conny okati lekunda kooda manchidi kaavacchu.
roganirodhaka sankethaalu.
ivi saadhaaranamgaa aivisi filter cheyadaaniki chaalaa vivaadaaspada kaaranaalu, mariyu chaalaa mandhi radiologistlu mariyu vaidyulu saadhaaranamgaa itara empikalu andubaatulo unte aivisi filternu sifaarasu cheyaru.
aivisi filternu tolaginchadaaniki suuchanalu.
aivisini tolaginchadam valla kalige prayojanaanni dhruveekarinche prastuta prachurita dayta ledhu. eee kaaranamgaa, interventional radiology society oka bahula vibhagala pyaanelnu srushtinchindi, idhi evarainaa tolagimpuku arhata kaligi unnaro ledho chuudataaniki eee krindi maargadarsakaalanu abhivruddhi chesindi
oka aivisi vadapotha, daani panini sarigga cheyadam dwara (embolic padaarthaanni pattukovadam), chivariki embolic padaarthamthoo nimpavacchu mariyu raktanaala shastrachikitsa (kotta vadapotha, stent cherpulu ledhaa itara) thoo punarvimarsaku haamii ichhe prasarana balaheenataku kaaranamavutundi. sains journalismlo oka pratinidhi kesu nivedinchabadindi, idhi aasaktikaramaina asaadhaarana kaaranaalu mariyu lakshanaala parishkaralanu nivedistundi; eee sandarbhamlo, lakshanam orthostatic hypotension. eee samasya asaadhaaranamainadani, ayithe bhedaatmaka roganirdhaaranalo parigananaloki teesukovadam viluvainadani vaidyulu oohistunnaaru.
anticogulation.
prarambha teevramaina sameepa diviti ledhaa teevramaina peey unnavaarilo, anticogulationku badulugaa aivisi filterlanu unchina vaaru, mariyu raktasraavam parishkaram ayye pramaadam unnavaaru, american college off chest vaidyulu 2012loe, vaaru anticogulation yokka praamaanika korsunu andukuntaarani suuchimchaaru. aivisi filterlu diviti yokka deerghakaalika pramaadamtoe mudipadi undagaa, avi okkate, podiginchina pratiskandakam nirvahinchadaaniki taginanta kaaranam kaadu.
dushprabhaavaalu.
bhaarii pulmonary emboli nundi maranaanni nivaarinchadam vena cava vadapotha yokka pradhana pani. praamaanika steinless-steel greenfield filter unna 96 saatam kesulalo idhi saadhinchinatlu deerghakaalika clinical phaalo-up adhyayanalu choopinchaayi.
fda communication.
augustu, 2010loe, fda takkuva sthaayi vena cava vadapotha yokka deerghakaalika upayogamtho sambandham unna pramaadam mariyu pratikuula sanghatanalapai prarambha samachara maarpidini vidudala chesindi. sumaru 5 samvatsaraala kaalamlo, vaaru 921 sanghatanalanu gurtistaaru. ekkuva kesulu kakapoyina, aaa sankhya ippatikee deerghakaalika aivisi vadakam yokka ganaanka praamukhyatanu suuchistumdi.
eee aivisi vadapotha dushprabhavalalo, 328 parikaram valasalatho, parikara bhagala vibhajana tarvaata embolisationlalo, 70 aivisi randhraalatho, mariyu 56 vadapotha fracturetho kuudinavi. eee pedda sankhyalo pratikuula sanghatanalu avasaramaina daanikante ekkuva kaalam paatu gunde vadapotha sthaanamlo undataaniki sambandhinchinavani vaidya samaajamlo chaalaa mandhi nammutaaru.
vaiphalyaaniki sambandhinchina saadhaarana samasyalu, maranaanni cherchadam (itara 4 saatam kesulu):
takkuva saadhaarana pratikuula praticharyalu.
eee dushprabhaavaalu saadhaaranam kaanappatikee (rogula yokka 10-20% kante takkuva), chaalaa mandhi sareeram lopala unnappudu IVC yokka placement mariyu sanklishtata nundi utpannamayye samasyalanu nivedistaaru.
aneka chinna prachurita kathanaalu mariyu cases studies nivedikalu paina perkonna vaatitho samaanamaina samasyalanu vivaristaayi. mukhyamgaah
paina perkonna kesulu minahaayimpu ayinappatikee, niyamam kaanappatikee, chaalaa mandhi radiologistlu thromboembolic vyaadhulu laeni rogulalo roganirodhaka vadapotha choppimpulanu cheyadaanni vyatiraekistaaru. chaalaa varaku, sadhyamainappudalla, interventional radiologistlu abhyardhinchina ledhaa vaidyudi dwara suuchimchinappatikii, aivisini upayoginchadam kante rogini anticoagulentlapy praarambhistaaru.
shree.
chaalaa aivisi filterlu pheromagnetic kaani padaarthaalatho tayaaru cheyabadinappatiki, konni rakalu balaheenamaina pheromagneticga untaayi. tadanugunamgaa, aivisi filterlu ekkuvagaa nirmaana samayamlo upayoginche padaartham yokka rakanni batti mri saphe mariyu mri conditional vargaala kindaku vastaayi. chaalaa varaku ukku mariyu itara pheromagnetic material parikaraalu fda dwara nilipiveyabadinanduna, arudugaa surakshitam kaani aivisi filternu kanugontaaru.
aivisi filterlu vaati chivarlalo hukla dwara vaenaa kavaku jodinchabadataayi. konni kudimpu springlu, ivi vena cava yokka pakka godapai bayataku kudimpajestayi; ayithe, avi ippatikee chinna huklanu kaligi untaayi, avi vaati sthaanaanni nilupukuntaayi. eee huklu langaru veyadam mariyu nayam chese prakriyaloo sahaayapadataayi, endukante avi kanajalalanu vaati chuttoo 'chochukupovadaniki' anumatistaayi, aivisini surakshitamgaa unchutaayi. appudu, 4 nundi 6 vaaraala vaidyam tarvaata, 1.5 tesla yokka oka mri, 3 tesla varaku, aivisi filterku yea sthaayi tolagutaku kaaranamavutundi.
implanted aivisi filterlatho jantuvulu mariyu maanavula rendinti yokka mr pareeksha adhyayanalu, samasyalu ledhaa rogalakshana vadapotha sthaanabhramsham nivedinchaledu.
aneka janthu adhyayanalu aivisi filterlanu unchadaaniki "real-time" emaarnu kooda upayoginchaayi, ivi rotation, sheering mariyu itara kalakhandalanu tanikhi chestaayi.
mri adhyayanala kosam 'routing' sarvelo bhaagamgaa, aivisi filterlu unna rogulaku tarachugaa doctor nundi dhruvikarana ledhaa vaidya recordulu avasaram, aivisi mrik surakshitam anie cheppadaniki. balaheenamaina ledhaa surakshitam kaani pheromagnetic implantlu unna chaalaa mandhi rogulaku oka kaardu ivvabadutundi, vaaru anni samayaallo vaari vyaktipai unchutaaru, idhi surakshitamgaa unte vaeruchaeyadaaniki sahaayapadutundi.
bhadrata kaaranaala valla mri skaanlanu niraakarinchina rogulaku, vaidyulu saadhaaranamgaa pratyamnaayamgaa contrastho siti skaannu sifaarsu chestaaru.
labeling mariyu sifaarsulu.
pareekshinchabadina chaalaa aivisi filterlu "mri saphe" gaa label cheyabaddaayi; pareekshinchina migilina aivisi filterlu "mr conditional".naan pheromagnetic aivisi filterlatho chikitsa pondina rogulu filter implantation tarvaata eppudaina mr pareeksha cheyinchukovacchu. balaheenamaina pheromagnetic aivisi filter (jainterco burd nest aivisi filter [cook], steinless steel greenfield vena cava filter [boston scientific]) thoo chikitsa pondina rogulalo, roogi mr pareeksha cheyinchukovadaaniki kaneesam aaru vaaraala mundu vechi undaalani salaha istaaru (endukante eee paatha parikaraalu praarambhamlo prastuta sandarbhamlo charchinchina itara parikaraala vale gattiga langaru veyabadavu), implantation tarvaata ventane mr pareekshanu nirvahinchadaaniki balamaina clinical suuchana unte tappa, mariyu parikaram sarigga unchabadaledani ledhaa adhi drudhamgaa sthaanamlo ledani anumaaninchadaaniki etuvanti kaaranam lenantha varaku. aivisi filterla yokka chaalaa adhyayanalu saadhaaranamgaa 1.5 tesla ledhaa anthakante takkuva vadda nirvahinchabaddaayi, ayinappatikee aneka aivisi filterlu ippudu 3 tesla vadda moolyaankanam cheyabaddaayi mariyu mr pareekshaku aamodayogyamainavigaa pariganinchabaddaayi.
placement.
aivisi filterlanu endovascularga unchutaaru, antey avi rakta naalaala dwara choppinchabadataayi. chaaritraatmakamgaa, aivisi filterlanu shastrachikitsa dwara unchaaru, conny chaalaa sannani catheterluga kudinchagala aadhunika filterlatho, sirala vyavasthaku pravesam toda sira (gajjaloni pedda sira), antargata jugular sira (medalooni pedda sira) ledhaa oka roopakalpanatho kuudina bhujaala sirala dwara pondavacchu. maargam yokka empika pradhanamgaa sirala vyavasthalo edainaa raktam gaddakattadam yokka sankhya mariyu sthaanampai aadharapadi untundi. vadapotanu unchadaaniki, oka kaathetarnu fluoroscopic maargadarsakatvaanni upayoginchi aivisiloki maarganirdesam chestaaru, taruvaata vadapotanu catheter dwara netti, kaavalasina pradaesamlooki, saadhaaranamgaa ivcla junction mariyu athi takkuva moothrapindaala sira krinda unchutaaru.
sambhaavya shareera nirmaana vaividhyaalu, aivisi lopala thromby ledhaa stenoses praantaalanu anchanaa vaeyadaaniki, alaage aivisi vyasanni anchanaa vaeyadaaniki vadapotanu moharinche mundu mundu cross-sectional imaging ledhaa aivisi yokka venogram yokka sameeksha nirvahinchabadutundi. arudugaa, ultrasound-guided placementnu contrast allergy, deerghakaalika moothrapindaala vyaadhi mariyu roogi sthirathvam korinappudu praadhaanyata istaaru. aivisi parimaanam yea vadapotanu moharinchabadindo prabhaavitam cheyavachu, endukante konni (pakshula goodu vantivi) pedda kuharaniki vasati kalpinchadaaniki aamodinchabaddaayi. moothrapindaala sirala paina vadapotha unchabadina paristhitulu unnaayi (udhaa.zii. garbhinii rogulu ledhaa biddanu kanee vayassu gala mahilalu, moothrapindaala ledhaa gonadal sira raktam gaddakattadam modalainavi.). alaage, aivisi yokka nakilee unte, filter rendu aivisi la sangamam paina unchabadutundi ledhaa prati aivisi lopala oka filter unchavacchu.
tirigi pondandi.
tolaginchagala aivisi vadapotha bhavana modata 1967loe udbhavinchindi. 2003 mariyu 2004loe united states phud und drugg administration modata tirigi pondagalige vadapotalu aamodinchindi. 2005loe society off interventional radiology (surr) shaashwata vena cava filterla clinical applicationnu parishkarinchadaaniki bahula vibhagala samavesanni erpaatu chesindi.
tirigi pondagalige vadapotalu oka parikaramtho amarchabadi untaayi (namuunaa nundi namuunaaku maarutuu), idhi vaatini sulabhamgaa chikkukupoyi, kaathetarloki tirigi laagadaaniki mariyu sareeram nundi tolaginchadaaniki anumatistundi, tarachugaa jugular sira dwara. 2004 kii mundu, moodu vaaraala kante takkuva kaalam paatu ivclo unna filterlu tirigi pondadaaniki prayatninchadaaniki anukuulamgaa pariganinchabaddaayi, endukante ekkuva kaalam unna filterlu ivcla goda nundi kanaalache ekkuvagaa perigi undavacchu mariyu filter tolaginchabadithe aivisilaku gaayam ayye pramaadam ekkuvagaa untundi. kotta namuunaalu, saanketikatalalo abhivruddhi antey konni filterlanu ippudu sudeergha kaalaaniki vadiliveyavacchu mariyu oka samvatsaram tarvaata tirigi pondadam ippudu nivedinchabadutondi. indulo aln, barred zii2 mariyu zii2ఎks, empika, tulip mariyu select filterlu untaayi.
vadapotanu tolaginchadaaniki mundu clinical pareeksha anedi rogipai vadapotanu tolaginchadam valla kalige pramaadam mariyu pathophysiological prabhavalu rendintinee ardham chesukovadamlo keelakam anie gamaninchadam mukhyam. vaidyulu mariyu vaidya nipunulu aneka keelaka amsaalanu pariganinchaali (aivisi filterlanu tolaginchadaaniki suuchanalu chudandi).

