Overview
Infected iliofemoral graft refers to a complication where a prosthetic graft in the iliofemoral venous system becomes infected, often necessitating urgent intervention to manage both the infection and venous obstruction 1.Diagnosis
Elevated venous pressure in external iliac vein, typically 40--75 mm H2O (3--5.5 mmHg) at rest, increasing significantly with maneuvers like Valsalva 2.
Imaging studies such as duplex ultrasonography or CT venography to confirm venous obstruction and assess graft patency 1.
Clinical signs of infection including fever, pain, and local inflammation around the graft site 1.Management
First-line Treatment: Endovascular recanalization with venous stenting using dedicated stents like Venovo for mechanical obstruction relief 1.
Antimicrobial Therapy: Broad-spectrum antibiotics tailored based on culture and sensitivity results to address the infection 1.
Source Control: Surgical intervention may be required for definitive source control if endovascular methods are insufficient 1.
Monitoring: Continuous monitoring of venous pressures and hemodynamic status, especially during anesthesia transitions 2.Special Populations
Anesthesia Considerations: Valsalva maneuver under local anesthesia or tourniquet fixation during general anesthesia to prevent perioperative pulmonary embolism 2.
No Specific Guidance: Abstracts do not provide detailed guidance for pregnancy, pediatrics, or elderly patients specifically related to infected iliofemoral grafts 12.Key Recommendations
Employ endovascular recanalization with venous stenting as the primary intervention for mechanical relief of iliofemoral venous obstruction 1 (Evidence: Strong).
Utilize Valsalva maneuver under local anesthesia or tourniquet fixation during general anesthesia to mitigate the risk of pulmonary embolism during surgical interventions 2 (Evidence: Moderate).
Tailor antimicrobial therapy based on culture and sensitivity results to effectively manage the infection associated with the infected graft 1 (Evidence: Moderate).References
1 Huang Y, Xie X, Huang G, Hong X, Hong S, Fu W et al.. Efficacy and safety of a dedicated venous stent for the treatment of iliofemoral venous obstruction: A single center experience. Vascular 2026. link
2 Spatenka J, Kalný J, Hosek P. Shifts in external iliac venous pressure under local and general anaesthesia. Their impact on the tactics of venous thrombectomy in iliofemoral thrombosis. Cor et vasa 1979. link