Mumamiriro ezvinhu emuviri, masisitimu maviri ekuomesera ropa uye ekuomesera ropa mumuviri anochengetedza kuenzana kwakasimba kuti ropa rirambe richiyerera mutsinga dzeropa. Kana kuenzana kusina kuenzana, sisitimu yekuomesera ropa ndiyo inonyanya kukosha uye kubuda ropa kunowanzoitika, uye sisitimu yekuomesera ropa ndiyo inonyanya kukosha uye thrombosis inowanzoitika. Sisitimu yefibrinolysis inoita basa rakakosha muomesera ropa. Nhasi tichataura nezvezvimwe zviratidzo zviviri zvesisitimu yefibrinolysis, D-dimer neFDP, kuti tinzwisise zvizere hemostasis inogadzirwa nethrombin kuenda kuthrombus inotangwa nefibrinolysis. Kushanduka-shanduka. Ipa ruzivo rwekiriniki nezve thrombosis uye coagulation function yevarwere.
D-dimer chigadzirwa chekuora chakagadzirwa ne fibrin monomer chakasanganiswa ne activated factor XIII uye chobva chanyungudutswa ne plasmin. D-dimer inobva pa cross-linked fibrin clot yakanyungudutswa ne plasmin. D-dimer yakakwira inoratidza kuvapo kwe secondary hyperfibrinolysis (yakadai se DIC). FDP izwi rekuti zvigadzirwa zvekuora zvinogadzirwa mushure mekunge fibrin kana fibrinogen zvaputswa pasi pechiito che plasmin chinogadzirwa panguva ye hyperfibrinolysis. FDP inosanganisira fibrinogen (Fg) uye fibrin monomer (FM) zvigadzirwa (FgDPs), pamwe chete ne cross-linked fibrin degradation products (FbDPs), pakati pazvo FbDPs dzinosanganisira D-dimers nezvimwe zvidimbu, uye mazinga avo anowedzera. Yakakwira inoratidza kuti fibrinolytic activity yemuviri haina simba (primary fibrinolysis kana secondary fibrinolysis).
【Muenzaniso】
Murume wezera repakati nepakati akapinda muchipatara uye mhedzisiro yekuongororwa kweropa rakagwamba yaive seinotevera:
| Chinhu | Mhedzisiro | Nzvimbo yeReference |
| PT | 13.2 | 10-14s |
| APTT | 28.7 | 22-32s |
| TT | 15.4 | 14-21s |
| FIB | 3.2 | 1.8-3.5g/l |
| DD | 40.82 | 0-0.55mg/I FEU |
| FDP | 3.8 | 0-5mg/l |
| AT-III | 112 | 75-125% |
Zvinhu zvina zvakabuda muropa zvaive zvisina kunaka, D-dimer yaive yakanaka, uye FDP yaive isina kunaka, uye mhedzisiro yacho yaipesana. Pakutanga zvaifungidzirwa kuti yaive hook effect, sampuro yakaongororwazve nekuyedzwa kwekutanga kwemultiple uye 1:10 dilution, mhedzisiro yacho yaive seinotevera:
| Chinhu | Yepakutanga | 1:10 dilution | Nzvimbo yeReference |
| DD | 38.45 | 11.12 | 0-0.55mg/I FEU |
| FDP | 3.4 | Pasi pemuganhu wakaderera | 0-5mg/l |
Zvinogona kuonekwa kubva mukuderedzwa kweropa kuti mhedzisiro yeFDP inofanira kunge yakajairika, uye D-dimer haisi yakatsetseka mushure mekuderedzwa kweropa, uye kupindira kunofungidzirwa. Bvisa hemolysis, lipemia, uye jaundice kubva pamamiriro emuenzaniso. Nekuda kwemhedzisiro isina kuenzana yekuderedzwa kweropa, zviitiko zvakadaro zvinogona kuitika mukukanganiswa kwakajairika kweheterophilic antibodies kana rheumatoid factors. Tarisa nhoroondo yekurapa kwemurwere uye uwane nhoroondo yerheumatoid arthritis. Rabhoritari Mhedzisiro yekuongororwa kweRF factor yaive yakakwira. Mushure mekutaurirana nekiriniki, murwere akataurwa uye akaburitswa mushumo. Mukutevera kwakazotevera, murwere haana zviratidzo zvine chekuita nethrombus uye akatongwa semunhu ane nhema yeD-dimer.
【Pfupisa】
D-dimer chiratidzo chakakosha chekusabatwa kwe thrombosis. Ine kunzwisisika kwakanyanya, asi hunhu hwayo hunenge husina kusimba. Kunewo chikamu chakati chezviratidzo zvenhema. Kusanganiswa kweD-dimer neFDP kunogona kuderedza chikamu cheD- Pamhedzisiro yenhema yedimer, kana mhedzisiro yerabhoritari ichiratidza kuti D-dimer ≥ FDP, zvinotevera zvinogona kuitwa pamhedzisiro yebvunzo:
1. Kana kukosha kwacho kwakaderera (
2. Kana mhedzisiro yacho iri yepamusoro (>Cut-off value), ongorora zvinhu zvinopesvedzera, panogona kunge paine zvinhu zvinokanganisa. Zvinokurudzirwa kuita bvunzo dzakawanda dzekudzikisa. Kana mhedzisiro yacho iri yemutsara, mukana wekuti pave nepfungwa yekuti positive yechokwadi ndewekuti. Kana isiri yemutsara, positive yenhema. Unogona zvakare kushandisa reagent yechipiri kuti uongorore uye kutaurirana nekiriniki nenguva.
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