International journal of laboratory hematology · 2012
Factor VIIa-antithrombin complexes in patients with non-neoplastic portal vein thrombosis with and without cirrhosis.
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Rossetto V, Spiezia L, Senzolo M, Rodriguez K, Gavasso S, Woodhams B, Simioni P
Аннотация
INTRODUCTION: Portal vein thrombosis (PVT) is caused by local and systemic prothrombotic risk factors. In this case-control study, we evaluated the use of the Factor VIIa-antithrombin complex (FVIIa-AT) complex assay as a hypercoagulability marker in patients with PVT.
METHODS: Two different groups of cases were considered: (i) n = 12 noncirrhotic PVT patients, (ii) n = 33 cirrhotic patients with PVT. Controls were sex and age-matched healthy volunteers and cirrhotic subjects without PVT, respectively.
RESULTS: Levels of the FVIIa-AT complex were significantly higher in noncirrhotic PVT subjects (132 ± 32 pM) than in healthy volunteers (108 ± 18 pM, P = 0.04). No significant difference in FVIIa-AT complexes was seen between cirrhotic patients with (64 ± 20 pM) or without (61 ± 24 pM) PVT. A linear correlation was seen between FVIIa-AT and FVIIa in noncirrhotic PVT subjects. In cirrhotic patients, FVIIa-AT complexes depended on both FVIIa and AT.
CONCLUSION: These results confirm the utility of the FVIIa-AT assay in identifying the hypercoagulable state of noncirrhotic patients because of a previous thrombotic event.
METHODS: Two different groups of cases were considered: (i) n = 12 noncirrhotic PVT patients, (ii) n = 33 cirrhotic patients with PVT. Controls were sex and age-matched healthy volunteers and cirrhotic subjects without PVT, respectively.
RESULTS: Levels of the FVIIa-AT complex were significantly higher in noncirrhotic PVT subjects (132 ± 32 pM) than in healthy volunteers (108 ± 18 pM, P = 0.04). No significant difference in FVIIa-AT complexes was seen between cirrhotic patients with (64 ± 20 pM) or without (61 ± 24 pM) PVT. A linear correlation was seen between FVIIa-AT and FVIIa in noncirrhotic PVT subjects. In cirrhotic patients, FVIIa-AT complexes depended on both FVIIa and AT.
CONCLUSION: These results confirm the utility of the FVIIa-AT assay in identifying the hypercoagulable state of noncirrhotic patients because of a previous thrombotic event.