I-Doppler ultrasound ekukhulelweni-okuqhelekileyo

Ukongezelela uphando kunye nokuvavanya kokuhamba kwegazi, i-doppler ultrasound ingakwazi ukuvavanya izinto ezinje njengokukhula kunye nemeko yomntwana, umlinganiselo we-amniotic fluid, kunye nokuhamba komntwana. Ukongezelela, ukusebenzisa le ndlela yokuphanda, kuya kuba nako ukulinganisa ubukhulu bentloko, i-thorax, isisu, izitho zomntwana, kunye nokugqiba ubunzima bayo.

I-Dopplerography iboniswe ngokukodwa kubantu besetyhini abakhulelweyo abanokukhulelwa okubanzi, i-Rhesus-conflict, isifo sesifo, imithwalo yegazi, i-gestosis, kunye nokufumanisa ukukhula kwe-lag kunye nophuhliso lomntwana.

Injongo ephambili ye-doppler ultrasound

Impembelelo ye-doppler isetyenziswe ngokubanzi ekukhuseleni ukuhlola ukuhamba kwegazi kwimithambo ye-placenta, isisu kunye nomntwana, okuvumela ukugweba ukuba umntwana ufumana i-oxygen eyaneleyo kunye nezondlo. Ukusebenzisa ubuchule be-dopplerometry, iingcali ziyakwazi ukufumana iingcingo zokujikeleza kwegazi kwiimpahla zesistim se-uterus-fetus system. Ukongezelela, ngokusekelwe kwiinkcazo zokuxhatshazwa kwamathambo, iziphumo ezifumanekayo zihlalutyiweyo. Ngexesha elifanayo, imirhobho yomtya we-umbilical, i-arterial uterine kunye neempahla ze-fetal zifundwa.

Ngoncedo lwe-doppler ultrasound, uninzi lweengxaki ezinzulu zichongiwe, ezifana nokungafihli kwamaplazi kunye ne-hypoxia yobusana be-intrauterine. Ukongezelela, ukufundiswa kweDoppler kunceda ekufumaneni imbangela yobunzima bomntwana (umzekelo, ukungabikho kwezondlo), kunye nexesha lokukhankanya i-anemia emntwaneni, okufuna ukuba utshintsho olukhawuleza kwiindlela zokukhulelwa nokubeletha.

Izibonakaliso ze-doppler ekukhulelweni

Iziphumo ze-doppler, ezenziwa ngexesha lokukhulelwa, zenza ukuba ukwazi ukugweba ukuphulwa okuthile ekuveliseni umntwana. Cinga ngeenjongo eziphambili ezifunyenwe ngenxa yokusebenzisa i-doppler ultrasound ekukhulelweni.

Iziphazamiso zengqungquthela : zinezididi ezi-3. Omnye wabo uthetha malunga nokuphulwa kwegazi phakathi kwe-uterus kunye ne-placenta ngeli gama ukugcina ukuhamba kwegazi phakathi kwe-placenta kunye ne-fetus kunye nangoko. Kwinqanaba lesibini lokuphazamiseka komjikelezo, kukho ukuphazamiseka kwangexesha elifanayo kwegazi phakathi kwebele kunye ne-placenta kunye ne-placenta kunye ne-fetus, engayiphumeli utshintsho olubalulekileyo. Ukuba kukho ukuphazamiseka okuphambili kwegazi phakathi kwe-placenta kunye ne-fetus, oku kubonisa ubukho bezinga lesithathu lokuphazamiseka kwimijikelezo.

Ukugqithiswa kwe-hemodynamics ye-fetus (i-hemodynamics - le ntshukumo yegazi kwiinqanawa): nayo ine-degrees e-3. Ekuqaleni kukho ukuphazamiseka kokuhamba kwegazi kuphela kwi-artery yomtya we-umbilical. Kwinqanaba lesibili kukho ukuphulwa kwe-hemodynamics ye-fetus, eyingozi ngenxa ye-hypoxia ye-fetal. Isiganga sesithathu sibonakaliswe ngumbuso ophezulu we-hemodynamics kunye ne-hypoxia yobusana. Kukho ukwehla kwegazi kwi-aorta ye-fetus de kubekho ukuphela kwayo, kwakunye nokuphulwa koxinzelelo kwi-artery carotid yangaphakathi.

Amanani eDoppler kwi-pregnancy

Ngokubhekiselele kwiziphumo zeDopplerography kunye ngokuthelekisa kunye nemigangatho ye-doppler ultrasound ekukhulelweni, ngoko kungcono ukushiya kwiingcali, kuba ukuzitshintsha kwe-Doppler kunzima ukuba unalo ulwazi oluthile. Omnye unokukwazi ukukhankanya ezinye iinkqubo ngesiseko apho uphuhliso lwalo mntwana luhlolwa. Phakathi kwabo: imimiselo yesalathisi sokumelana nomsombululo we-uterine, imimiselo yenkcazo yokuchasana kwemithambo ye-arterium, imiqathango yenkcazo ye-pulsation kwi-fetal aorta, umgangatho wesalathisi sokutsala kwe-artery central artery of the fetus nabanye.

Ukuthotyelwa kwale migangatho kuhlolwa ngokukhawuleza ngexesha lokukhulelwa, kunye nokuqwalasela ukutshintsha kwimihlathi.