BACKGROUND Major bile duct injury is an important therapeutic problem that can be associated with simultaneous injury to the hepatic artery. Limited information exists regarding the course of patients who have combined bile duct and arterial injuries. OBJECTIVE To compare the management and outcome of isolated bile duct injuries with bile duct and hepatic artery injuries. PATIENTS AND METHO...

Mechanical injury in vivo results in the expression of the inducible form of nitric oxide synthase (iNOS) in vascular smooth muscle cells. However, the role of iNOS in modulating neointima formation after arterial wall injury is not clear. To determine whether the induction of iNOS gene expression promotes or attenuates the neointimal response to injury, we used a murine model of perivascular i...

Recent studies have revealed the role of the pRb family members pRb and p130 in the response to vascular injury. We evaluated the arterial injury response in the absence of p107, a protein that shares a high degree of homology with the injury-controlling p130. Carotid artery ligation and perivascular electric injury of the femoral artery were applied to p107 knockout (p107 -/-) mice, and morpho...

Repair and remodeling processes initiated by arterial injury are thought to be critical in the pathogenesis of important vascular disorders. However, how these processes are related to specific types of injury is not well defined. Consequently, we compared arterial responses to several types of injury. Segments of rabbit carotid arteries were injured by intraluminal passage of an inflated embol...

Mechanical injury in vivo results in the expression of the inducible form of nitric oxide synthase (iNOS) in vascular smooth muscle cells. However, the role of iNOS in modulating neointima formation after arterial wall injury is not clear. To determine whether the induction of iNOS gene expression promotes or attenuates the neointimal response to injury, we used a murine model of perivascular i...

BACKGROUND Platelet-rich arterial thrombi are resistant to lysis by plasminogen activators. However, the mechanisms underlying thrombolysis resistance are poorly defined. Plasminogen activator inhibitor-1 (PAI-1), which is present in plasma, platelets, and vascular endothelium, may be an important determinant of the resistance of arterial thrombi to lysis. However, in vitro studies examining th...

OBJECTIVE To investigate the relative importance of stent induced arterial stretch and deep injury to the development of in-stent neointima. SETTING Normal porcine coronary arteries METHODS 30 BiodivYsio stents (Biocompatibles) were deployed at a stent to artery ratio of 1.25:1 (a moderate injury) and harvested at 28 days. Multiple serial cross sections were analysed morphometrically and th...

Objective To investigate whether dexmedetomidine (Dex) can reduce the severity of tourniquet-induced lung injury. Methods 36 patients undergoing total knee arthroplasty with a tourniquet were randomly assigned to control (ischemia/reperfusion [I/R]) group and Dex group. Patients in received loading dose (0.8 μg/kg over 10 min intravenously) followed by continuous infusion (0.5 μg/kg/h until end...

Background Platelets contain several factors that inhibit heparin. This study was designed to assess the heparinneutralizing activity present in acute, platelet-rich arterial thrombi formed at sites of arterial injury in animals. Methods and Results Platelet-rich thrombi (n=3) were induced in pig coronary arteries by balloon catheter-mediated arterial injury. Soluble extracts were prepared from...