The D-dimers ya zo ne daga lalatar fibrin, furotin da ke shiga cikin jini.

Lokacin da jini ya toshe, misali idan aka sami rauni, wasu daga cikin abubuwan da ke cikinsa suna haɗa kansu da juna, musamman tare da taimakon. fibrin.

Lokacin da rashin isasshen jini, yana iya haifar da zubar da jini na kwatsam.zubar jini). Akasin haka, lokacin da ya wuce kima, ana iya danganta shi da samuwar jinin jini wanda zai iya haifar da sakamako masu illa (zurfin thrombosis mai zurfi, embolism na huhu). A wannan yanayin, ana sanya hanyar kariya don rage yawan fibrin da kuma rage shi zuwa guntu, wasu daga cikinsu sune D-dimers. Don haka kasancewarsu zai iya shaida samuwar gudan jini.

Likitan zai rubuta gwajin D-dimer idan ya yi zargin akwai gudan jini. Wadannan na iya haifar da matsaloli masu tsanani, kamar:

• a zurfin jijiya jini (wanda ake kira zurfin phlebitis, yana haifar da samuwar jini a cikin hanyar sadarwa ta venous na ƙananan gaɓɓai)

• embolism na huhu (gabatar da jini ba tare da jijiya na huhu ba)

• ko a bugun jini

Matsakaicin adadin D-dimers ana yin shi ta hanyar samfurin jini na venous, gabaɗaya ana aiwatar da shi a matakin ninka na gwiwar hannu. Mafi sau da yawa ana gano su ta hanyoyin rigakafi (amfani da ƙwayoyin rigakafi).

Ba a buƙatar shiri na musamman.

Matsalolin D-dimer a cikin jini yawanci ƙasa da 500 µg / l (micrograms kowace lita).

Ƙididdigar D-dimer tana da ƙima mara kyau. A wasu kalmomi, sakamako na al'ada yana ba da izinin ƙaddamar da ganewar asali na thrombosis mai zurfi da huhu na huhu. A gefe guda, idan an gano matakin D-dimer yana da girma, akwai tuhuma na kasancewar ƙwayar jini wanda ke nuna yiwuwar thrombosis mai zurfi mai zurfi ko embolism na huhu. Dole ne a tabbatar da wannan sakamakon ta wasu gwaje-gwaje (musamman ta hanyar hoto): don haka dole ne a fassara binciken tare da taka tsantsan.

Lallai akwai lokuta na karuwa a matakin D-dimers ba tare da alaƙa da kasancewar thrombosis mai zurfi da huhu ba. Bari mu faɗi:

• ciki

• ciwon hanta

• asarar jini

• resorption na hematoma,
• tiyatar kwanan nan

• cututtuka na kumburi (kamar rheumatoid arthritis)

• ko kuma kawai tsufa (fiye da 80)

Lura cewa ƙaddarar D-dimers hanya ce ta kwanan nan (tun ƙarshen 90s), kuma cewa ma'auni har yanzu batun tambaya ne. Don haka a cikin Faransanci, an kafa matakin da zama ƙasa da 500 µg / l, yayin da a Amurka an saukar da wannan matakin zuwa 250 μg / l.