We report a rare case of a spontaneous rupture of the iliac vein which was then surgically treated with good results. A 66-year-old woman was admitted complaining of leg swelling and lower abdominal pain. On the 3rd day after admission, an operation was performed because of a gradually increasing hematoma in the retroperitoneal space. Laparotomy revealed a 17 mm longitudinal tear on the anterior surface of the left external iliac vein with a thrombus inside the lumen. Most of the previously reported 14 cases of this nature have required emergency operations.
The presence of a horseshoe kidney associated with aortoiliac vascular disease poses technical difficulties in terms of vascular reconstruction. The renal isthmus, position of the renal pelvis and ureters, and variable blood supply to the horseshoe kidney can complicate aortoiliac reconstruction. The left retroperitoneal approach provides excellent exposure of the abdominal aorta in patients with a horseshoe kidney without dividing the renal isthmus and avoids the risk of injury to a ureter in an anomalous position. We herein report the case of a patient with a horseshoe kidney who underwent a successful reconstruction of aortoiliac vascular disease using the left retroperitoneal approach.
A 24-year-old woman had been injured in an automobile accident. The chest X-ray showed widening of the mediastinum and computed tomography showed mediastinal hematoma around the aortic arch. Aortic rupture was suspected, so we performed aortography, which revealed pseudoaneurysm of the descending aorta. Moreover, she also had splenic rupture and pelvic fracture.She underwent an emergency operation 4 hours after the accident. Medial tear of the descending aorta was replaced with a graft under temporary bypass without heparin. Simultaneously, splenectomy was performed.Her postoperative course was uneventful. We consider that temporary bypass without heparin is a useful method during repair of the descending aortic rupture due to trauma.
A 72-year-old man suffering from congestive heart failure, swelling of the lower limbs and hematuria was transferred from another hospital with a diagnosis of large aneurysms of the abdominal aorta and the left common iliac artery.Iliac arteriovenous fistula (AVF) was definitively diagnosed preoperatively by contrast-enhanced CT and angiogaphy. At operation, an infrarenal abdominal aortic aneurysm of 8 cm and left iliac arterial aneurysm of 12 cm were identified. After proximal and distal aortic clamping, the aneurysm was entered and an AVF orifice of 1 cm communicating with the left common iliac vein was disclosed at the right posterior wall of the left common iliac artery. Venous blood reflux was controlled by inserting an occlusive balloon catheter to the fistula and intraoperative shed blood was aspirated and returned by an autotransfusion system. The AVF was closed from inside the iliac aneurysm by three interrupted 3-0 monofilament mattress sutures with pledgets. The aneurysms were resected and replaced with a bifurcated Dacron prosthetic graft. The patient had an uncomplicated postoperative recovery ; the lower limb edema subsided and heart failure improved rapidly. Preoperative identification of the location of the AVF is mandatory to make surgery safe. Moreover, easy availability or routine use of the devices for controlling undue blood loss such as an autotransfusion system and an occlusive balloon catheter are other important supplementary means to obtain good results of surgical treatment.
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