Sengoli: Gregory Harris
Letsatsi La Creation: 9 April 2021
Ntlafatsa Letsatsi: 18 November 2024
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Chorionic Villus Sampling (CVS)
Video: Chorionic Villus Sampling (CVS)

Chorionic villus sampling (CVS) ke teko eo basali ba baimana ba tlamehang ho e hlahloba lesea la bona bakeng sa mathata a lefutso.

CVS e ka etsoa ka molomo oa pōpelo (transcervical) kapa ka mpeng (transabdominal). Sekhahla sa ho nyaloa se phahame hanyane ha tlhahlobo e etsoa ka molomo oa molomo.

Ts'ebetso ea transcervical e etsoa ka ho kenya tube e tšesaane ea polasetiki ka hara botshehadi le molomo oa molomo ho fihlela placenta. Mofani oa hao oa tlhokomelo ea bophelo o sebelisa litšoantšo tsa ultrasound ho thusa ho tataisetsa tube sebakeng se setle sa sampling. Mohlala o monyane oa lisele tsa chorionic villus (placental) o ntan'o tlosoa.

Mokhoa oa transabdominal o etsoa ka ho kenya nale ka mpeng le popelong le ka phakeng. Ultrasound e sebelisetsoa ho thusa ho tataisa nale, mme ho huloa lisele tse nyane ka har'a ente.

Sampole e kenngoa ka sejaneng ebe e hlahlojoa ka laborateng. Liphetho tsa liteko li nka libeke tse 2.

Mofani oa hau o tla hlalosa ts'ebetso, likotsi tsa eona, le mekhoa e meng e kang amniocentesis.


O tla kopuoa ho saena foromo ea tumello pele ho ts'ebetso ena. U ka kopuoa ho apara moaparo oa sepetlele.

Hoseng ha ts'ebetso, o ka kopuoa ho noa maro le ho qoba ho ntša metsi. Ho etsa joalo ho tlatsa senya ea hau, e thusang mofani oa hau ho bona moo a ka tataisang nale hantle.

Bolella mofani oa hau haeba u na le alejiki ea iodine kapa tlhapi ea tlhapi, kapa haeba u na le alejiki a mang.

Ultrasound ha e utloise bohloko. Gel e hlakileng e nang le metsi e sebelisoa letlalong la hau ho thusa ka phetiso ea maqhubu a molumo. Sesebelisoa se tšoaroang ka letsoho se bitsoang transducer se fetisoa ka mpeng. Ntle le moo, mofani oa hau a ka sebelisa khatello mpeng ea hau ho fumana boemo ba popelo ea hau.

Jel e tla utloa serame qalong mme e kanna ea halefisa letlalo la hau haeba e sa hlatsuoe kamora ts'ebetso.

Basali ba bang ba re mokhoa oa botšehaling o ikutloa joalo ka tlhatlhobo ea Pap ka ho se phuthulohe le maikutlo a khatello. Ho ka ba le palo e nyane ea ho tsoa mali ka botšehaling kamora mokhoa ona.

Ngaka ea pelehi e ka etsa ts'ebetso ena ka metsotso e ka bang 5, kamora ho itokisa.


Teko e sebelisetsoa ho khetholla lefu lefe kapa lefe la lefutso ho lesea la hau le e-so hlahe. E nepahetse haholo, 'me e ka etsoa kapele haholo nakong ea bokhachane.

Mathata a lefutso a ka hlaha nakong ea bokhachane bofe kapa bofe. Leha ho le joalo, lintlha tse latelang li eketsa kotsi:

  • Mme ya hodileng
  • Boimana ba nakong e fetileng bo nang le mathata a lefutso
  • Nalane ea lelapa ea mathata a liphatsa tsa lefutso

Tlhabollo ea lefutso e khothaletsoa pele ho ts'ebetso. Sena se tla u lumella ho etsa qeto e sa potlaka, e nang le tsebo mabapi le likhetho tsa tlhahlobo ea bakhachane.

CVS e ka etsoa kapele nakong ea bokhachane ho feta amniocentesis, hangata ho feta libeke tse 10 ho isa ho tse 12.

CVS ha e fumane:

  • Liphoso tsa Neural tube (tsena li kenyelletsa mokokotlo oa mokokotlo kapa boko)
  • Ho se lumellane ha Rh (sena se etsahala ha mokhachane a e-na le mali a se nang Rh le lesea la hae le e-s'o hlahe le e-na le mali a nang le Rh)
  • Liphoso tsa pelehi
  • Litaba tse amanang le ts'ebetso ea boko, joalo ka autism le bokooa ba kelello

Sephetho se tloaelehileng se bolela hore ha ho na matšoao a bofokoli ba lefutso ho lesea le ntseng le hola. Le ha liphetho tsa liteko li nepahetse, ha ho na tlhahlobo e nepileng ka 100% ha ho etsoa liteko tsa mathata a lefutso nakong ea bokhachane.


Teko ena e ka thusa ho fumana mathata a makholo a liphatsa tsa lefutso. Liphetho tse sa tloaelehang li ka bakoa ke maemo a fapaneng a lefutso, ho kenyeletsoa:

  • Down syndrome
  • Hemoglobinopathies
  • Lefu la Tay-Sachs

Bua le mofani oa hau ka moelelo oa sephetho sa hau sa liteko. Botsa mofani oa hau:

  • Boemo kapa bofokoli bo ka phekoloa joang nakong ea bokhachane kapa kamora 'moho
  • Ke litlhoko life tse khethehileng tseo ngoana oa hau a ka bang le tsona kamora ho hlaha
  • Ke likhetho life tse ling tseo u nang le tsona mabapi le ho boloka kapa ho emisa ho ima

Likotsi tsa CVS li phahame hanyane feela ho feta tsa amniocentesis.

Mathata a ka bang teng a kenyelletsa:

  • Ho tsoa mali
  • Tšoaetso
  • Ho senyeheloa ke basali (ho fihlela ho 1 ho basali ba 100)
  • Rh ho se lumellane ho mme
  • Ho phatloha ha lera le ka lebisang ho senyeheloa ke mpa

Haeba mali a hau a se na Rh, u ka fumana moriana o bitsoang Rho (D) immune globulin (RhoGAM le lihlahisoa tse ling) ho thibela ho se lumellane ha Rh.

O tla fumana ultrasound ea matsatsi a 2 ho isa ho a 4 kamora ts'ebetso ho etsa bonnete ba hore bokhachane bo ntse bo tsoela pele hantle.

CVS; Bokhachane - CVS; Tlhabollo ea lefutso - CVS

  • Sampling ea chorionic villus
  • Sampling ea chorionic villus - letoto la lihlooho

Cheng EY. Tlhahlobo ea bakhachane. Ka: Gleason CA, Juul SE, lingoliloeng. Mafu a Avery a lesea le sa tsoa tsoaloa. 10th ed. Philadelphia, PA: Elsevier; 2018: khaolo ea 18.

Driscoll DA, Simpson JL, Holzgreve W, Otano L. Tlhahlobo ea liphatsa tsa lefutso le tlhahlobo ea liphatsa tsa lefutso tsa bakhachane. Ka: Gabbe SG, Niebyl JR, Simpson JL, et al, eds. Likokoana-hloko: Bokhachane bo tloaelehileng le ba bothata. La 7th. Philadelphia, PA: Elsevier; 2017: khaolo ea 10.

Wapner RJ, Dugoff L. Prental tlhahlobo ea mathata a tlhaho. Ka: Resnik R, Lockwood CJ, Moore TR, Greene MF, Copel JA, Silver RM, li-eds. Creasy le Resnik's Maternal-Fetal Medicine: Melao-motheo le Tloaelo. La 8th. Philadelphia, PA: Elsevier; 2019: khaolo ea 32.

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