The effect of matrix metalloproteinase 2 and matrix metalloproteinase 2/9 deletion in experimental post-thrombotic vein wall remodeling

Post-thrombotic syndrome has no direct therapies and causes significant morbidity. Anticoagulation limits thrombosis but does not clinically impact directly the vein wall response to injury as well as has bleeding risks. In this experimental study, we show that matrix metalloproteinase 2 genetic deletion lessens fibrotic injury and inflammation at the midterm timepoint, yet is also important for thrombus resolution. Future therapies that positively impact vein wall remodeling will need to account for how the thrombus responds as well.