The purpose of the study is: To estimate patients with lung cancers who will undergo surgery total haemostatic / thrombotic capacity pre, per-and postoperatively. To investigate whether prophylactic treatment with Low Molecular Weight Heparin (LMWH) affects the patient's potential hypercoagulability. To investigate whether there are differences in patients who will undergo Video Assisted Thorascopic Surgery (VATS) or open surgery in regards of impact of the coagulation system.
Lung cancer is a serious and very frequent disease. For those 25% of the patients who will undergo surgery, there are two different methods of operation: either open surgery (thoracotomy) or Video Assisted Thorascopic Surgery (VATS). The latter method is increasing in use. Patients are often prescribed heparin pre- postoperatively, but it is unclear whether this prophylactic treatment is necessary, and it has never been thoroughly investigated. When patients receive heparin there is an increased risk of bleeding. Furthermore, it is unclear what changes occurs in the coagulation system pre, per- and postoperatively in patients undergoing surgery for lung-cancer, and hereby it is unclear whether these patients should have some sort of medical prophylactic treatment. By using new analysis methods in terms of Thromboelastometry, Thrombin generation and thrombocyte function analysis, hereby the total coagulation profile can be characterized and hereby estimate the risk of thrombosis and bleeding. Thereby better be able to give the right treatment for these patients.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
116
Aarhus University Hospital
Aarhus, Aarhus, Denmark
Rigshospitalet
Copenhagen, Denmark
Odense University Hospital
Odense, Denmark
Thromboelastometry (ROTEM®)
Analysis of in-tem, ex-tem, fib-tem og hep-tem and estimation of: Clotting time (CT (sec)), propagation (MaxVel (mm\*100/sec) t,MaxVel, s) og termination (maximum clot firmness (MCF)(mm\*100/sec)
Time frame: 30 days
Thrombin generation
1\) recalcificering, 2) activation with tissue factor 1:17,000 and estimation of Lag time \[min\], ETP (endogenous thrombin potential) \[nM (nanomole) thrombin\*minute\], peak levels of thrombin generation \[nM thrombin\] and time to peak thrombin (ttpeak) \[min\].
Time frame: 30 days
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