Endovascular repair of posttraumatic multiple femoral-femoral and popliteal-popliteal arteriovenous fistula with Viabahn and excluder stent graft

Momir Sarac, Ivan Marjanović, Miodrag Jevtić, Sidor Misović, Uros Zoranović, Sinisa Rusović
Vojnosanitetski Pregled. Military-medical and Pharmaceutical Review 2011, 68 (7): 616-20

BACKGROUND: Traumatic arteriovenous (AV) fistula is considered to be a pathologic communication between the arterial and venous systems following injury caused mostly by firearms, sharp objects or blasting agents. Almost 50% of all traumatic AV fistulas are localized in the extremities. In making diagnosis, besides injury anamnesis data, clinical image is dominated by palpable thrill and auscultator continual sounds at the site of fistula, extremities edemas, ischemia distally of fistula, pronounced varicose syndrome, and any signs of the right heart load in high-flow fistulas.

CASE REPORT: We presented a male 32-year-old patient self-injured the region of the right lower and upper leg by shotgun during hunting in 2005. The same day the patient was operated on in a tertiary traumatology health care institution under the diagnosis of vulnus sclopetarium femoris et cruris dex; AV fistula reg popliteae dex; fractura cruris dex. The performed surgery was ligatura AV fistulae; reconstructio a. popliteae cum T-T anastomosis; fasciotomia cruris dex. Postoperatively, in the patient developed a multiple AV fistula of the femoral and popliteal artery and neighboring veins. The patient was two more times operated on for closing the fistula but with no success. Three years later the patient was referred to the Clinic for Vascular Surgery, Military Medical Academy, Belgrade, Serbia. A physical examination on admission showed the right upper leg edema, pronounced varicosities and high thrill, signs of the skin induration and initial ischemia with ulceration in the right lower leg, as well as numerous scars in the inner side of the leg from the previously performed operations. Due to the right heart load there were also present easy getting tired, tachypnoea and tachycardia. CT and contrast angiography verified the presence of multiple traumatic AV fistulas in the surface femoral and popliteal artery and neighboring veins of the highest diameter being 1 cm. Also, numerous metallic balls--grains of shotgun were present. After the preoperative preparation under local infiltrative anesthesia, transfemoral endovascular reconstruction was done of the surface femoral and popliteal artery by the use of stent grafts Viabahn 6 x 50 mm and excluder PXL 161 007. Within the immediate postoperative course a significant reduction of the leg edema and disappearance of thrill occurred, and, latter, healing of ulceration, and disappearance of signs of the foot ischemia. Also, patient's both cardiac and breathing functions became normal.

CONCLUSION: In patients with chronic traumatic AV fistulas in the femoropopliteal region, especially with multiple fistulas, the gold standard is their endovascular recon struction which, although being minimally traumatic and invasive, offers a complete reconstruction besides keeping integrity of both distal and proximal circulation in the leg.

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