Svensk definition
En test som mäter funktionen av intrinsic-systemet (faktor V, VIII, IX, X , XI, XIIoch protrombin). Vid normal faktor X- och protrombinhalt orsakas förlängt APTT oftast av låg faktor VIII- eller faktor IX-aktivitet. Används som ett screeningverktyg och vid övervakning av heparinterapi.
Engelsk definition
The time required for the appearance of FIBRIN strands following the mixing of PLASMA with phospholipid platelet substitute (e.g., crude cephalins, soybean phosphatides). It is a test of the intrinsic pathway (factors VIII, IX, XI, and XII) and the common pathway (fibrinogen, prothrombin, factors V and X) of BLOOD COAGULATION. It is used as a screening test and to monitor HEPARIN therapy.
Svenska synonymer
Kaolin-kefalin koagulationstid — Kefalin-kaolin koagulationstid
Engelska synonymer
Thromboplastin Time, Partial — Activated Partial Thromboplastin Time — Kaolin-Cephalin Coagulation Time — Coagulation Time, Kaolin-Cephalin — Kaolin Cephalin Coagulation Time — Coagulation Time, Cephalin-Kaolin — Coagulation Time, Cephalin Kaolin — Cephalin-Kaolin Coagulation Time — Cephalin Kaolin Coagulation Time