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1.  Mechanical thrombectomy-assisted thrombolysis for acute symptomatic portal and superior mesenteric venous thrombosis 
Acute portal vein and mesenteric vein thrombosis (PVMVT) can cause acute mesenteric ischemia and be fatal with mortality rate of 37%-76%. Therefore, early diagnosis and prompt venous revascularization are warranted in patients with acute symptomatic PVMVT. Due to advances in catheter-directed treatment, endovascular treatment has been used for revascularization of affected vessels in PVMVT. We report two cases of symptomatic PVMVT treated successfully by transhepatic percutaneous mechanical thrombectomy-assisted thrombolysis.
doi:10.4174/astr.2014.86.6.334
PMCID: PMC4062453  PMID: 24949327
Venous thrombosis; Endovascular procedures; Mesenteric veins; Portal vein; Ischemia
2.  Stent fractures after superficial femoral artery stenting 
Stent fracture is one of the major factors compromising implanted stent patency due to its consequences including in-stent restenosis, thrombosis, perforation, and migration. Stent fracture can occur from stress (extrinsic or intrinsic) and biomechanical forces at different implantation sites. We report on 2 cases of stent fractures and pertinent literature. One patient, a 75-year-old male, presented with recurrence of claudication 14 months after superficial femoral artery stenting; a femoral artery occlusion with stent fracture was found, and he underwent femoropopliteal bypass. The other patient, a 72-year-old male presented with recurrence of claudication; a stent fracture was found without femoral artery occlusion, and he was treated with additional femoral artery stenting to secure the fracture site.
doi:10.4174/jkss.2012.83.3.183
PMCID: PMC3433557  PMID: 22977767
Stents; Vascular patency; Femoral artery; Early intervention
3.  Internal Iliac Artery Embolization during an Endovascular Aneurysm Repair with Detachable Interlock Microcoils 
Korean Journal of Radiology  2014;15(5):613-621.
Objective
The purpose of this study was to evaluate the effectiveness of detachable interlock microcoils for an embolization of the internal iliac artery during an endovascular aneurysm repair (EVAR).
Materials and Methods
A retrospective review was conducted on 40 patients with aortic aneurysms, who had undergone an EVAR between January 2010 and March 2012. Among them, 16 patients were referred for embolization of the internal iliac artery for the prevention of type II endoleaks. Among 16 patients, 13 patients underwent embolization using detachable interlock microcoils during an EVAR. Computed tomographic angiographies and clinical examinations were performed during the follow-up period. Technical success, clinical outcome, and complications were reviewed.
Results
Internal iliac artery embolizations using detachable interlock microcoils were technically successful in all 13 patients, with no occurrence of procedure-related complications. Follow-up imaging was accomplished in the 13 cases. In all cases, type II endoleak was not observed with computed tomographic angiography during the median follow-up of 3 months (range, 1-27 months) and the median clinical follow-up of 12 months (range, 1-27 months). Two of 13 (15%) patients had symptoms of buttock pain, and one patient died due to underlying stomach cancer. No significant clinical symptoms such as bowel ischemia were observed.
Conclusion
Internal iliac artery embolization during an EVAR using detachable interlock microcoils to prevent type II endoleaks appears safe and effective, although this should be further proven in a larger population.
doi:10.3348/kjr.2014.15.5.613
PMCID: PMC4170162  PMID: 25246822
Detachable interlock microcoil; Endovascular aneurysm repair; Internal iliac artery embolization
4.  Relining technique for continuous sac enlargement and modular disconnection secondary to endotension after endovascular aortic aneurysm repair 
Endotension is an unpredictable late complication of endovascular aortic aneurysm repair (EVAR). This case report will discuss the successful treatment of enlarged aneurysmal sac due to endotension using the relining technique. An 81-year-old male complained of nondecreasing huge aneurysm sac. He had undergone EVAR for infrarenal abdominal aortic aneurysm 7 years prior and no endoleak was found through follow-up. Initially computed tomography-guided sac aspiration was tried, but in vain, Relining using the double barrel technique and tubular endograft for modular diconnection, which was unexpectedly found in the original endograft, were performed sucessfully. During follow-up after the relining procedure, the size of aneurysm sac continued to decrease in size. The relining technique is effective mothod for treating endotension.
doi:10.4174/astr.2014.86.3.161
PMCID: PMC3994625  PMID: 24761425
Aortic aneurysm; Endovascular procedures; Endoleak; Complication
5.  Successful treatment of type I endoleak of common iliac artery with balloon expandable stent (Palmaz XL stent) during endovascular aneurysm repair 
Type 1 endoleak of common iliac artery (type Ib endoleak) should be treated during endovascular aneurysm repair (EVAR). An 86-year-old female was diagnosed with abdominal aortic aneurysm measuring 6.6 cm in diameter and right internal iliac artery aneurysm measuring 4.0 cm in diameter. She underwent EVAR after right internal iliac artery embolization. There was type Ib endoleak, which was repaired by balloon-expandable stent, Palmaz XL stent (Cordis). We report successful treatment of type Ib endoleak with Palmaz XL stent, which may be considered as an alternative option for type Ib endoleak after EVAR.
doi:10.4174/jkss.2012.82.1.59
PMCID: PMC3268146  PMID: 22324049
Abdominal aortic aneurysm; Endovascular procedure; Endoleak
6.  Successful hybrid operation of an acute mobile thrombus in the abdominal aorta induced by chemotherapy 
Journal of the Korean Surgical Society  2011;81(Suppl 1):S78-S81.
Acute mobile thrombus of the abdominal aorta after chemotherapy is a very unusual finding, which can be a potential source of arterial embolism. We report here on a case of an acute mobile aortic thrombus with renal infarction. We successfully treated the patient with hybrid operation-open surgical and endovascular approach. Our case shows that hybrid treatment using wire-directed balloon catheter thrombectomy is a feasible, minimally-invasive treatment for a mobile aortic thrombus.
doi:10.4174/jkss.2011.81.Suppl1.S78
PMCID: PMC3267073  PMID: 22319746
Abdominal; Angioplasty; Aorta; Thrombectomy; Thrombosis
7.  Pseudoaneurysm of the popliteal artery mimicking tumorous condition 
Journal of the Korean Surgical Society  2011;80(Suppl 1):S71-S74.
Diagnosing pseudoaneurysms of the popliteal artery is usually straightforward in physical examinations and imaging findings. However, when a pseudoaneurysm shows a soft tissue mass with adjacent osseous change, it can mimic a bone tumor or a soft tissue sarcoma. We present a case of a 65-year-old man who had a pseudoaneurysm of the popliteal artery showing soft tissue mass and insinuating into the intramedullary cavity of the tibia. This presented case emphasizes the importance of considering pseudoaneurysms in the differential diagnosis of an apparent soft tissue mass with pressure erosion in adjacent bone.
doi:10.4174/jkss.2011.80.Suppl1.S71
PMCID: PMC3205379  PMID: 22066090
Pseudoaneurysm; Popliteal artery; Tumor
8.  Successful Surgical Treatment of Aortoenteric Fistula 
Journal of Korean Medical Science  2007;22(5):846-850.
In order to establish optimal management for aortoenteric fistula (AEF) the records of five patients treated for AEF (four aortoduodenal and one aortogastric fistula) were retrospectively reviewed. The arterial reconstruction procedures were selected according to the surgical findings, underlying cause, and patient status. In situ aortic reconstructions with prosthetic grafts were performed on three patients who had no gross findings of periaortic infection, whereas axillo-bifemoral bypass was carried out in the other two patients with periaortic purulence. In all patients, after retroperitoneal irrigation a pedicled omentum was used to cover the aortic graft or aortic stump. In the preoperative abdominal computed tomography (CT) scan there was a periaortic air shadow in four out of five patients. There was no surgical mortality or graft infection observed during a mean follow-up period of 40 months (range, 24-68 months). Therefore, the treatment results of an AEF can be improved using intravenous contrast-enhanced abdominal CT for rapid diagnosis and selection of an appropriate surgical procedure based on the surgical findings and underlying cause.
doi:10.3346/jkms.2007.22.5.846
PMCID: PMC2693851  PMID: 17982233
Aorta; Intestinal Fistula; Aortic Aneurysm

Results 1-8 (8)