• Journal of Chest Surgery
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• 제54권3호
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• pp.172-178
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• 2021

Background: Complicated acute type B aortic dissection is a life-threatening condition with high morbidity and mortality. The aim of this study was to report a single-center experience with endovascular stent-graft repair of acute type B dissection of the thoracic aorta and to evaluate the mid-term outcomes. Methods: We reviewed 18 patients treated for complicated acute type B aortic dissection by thoracic endovascular aortic repair (TEVAR) from September 2011 to July 2017. The indications for surgery included rupture, impending rupture, limb ischemia, visceral malperfusion, and paraplegia. The median follow-up was 34.50 months (range, 12-80 months). Results: The median interval from aortic dissection to TEVAR was 5.50 days (range, 0-32 days). There was no in-hospital mortality. All cases of malperfusion improved except for 1 patient. The morbidities included endoleak in 2 patients (11.1%), stroke in 3 patients (16.7%), pneumonia in 2 patients (11.1%), transient ischemia of the left arm in 1 patient (5.6%), and temporary visceral ischemia in 1 patient (5.6%). Postoperative computed tomography angiography at 1 year showed complete thrombosis of the false lumen in 15 patients (83.3%). Conclusion: TEVAR of complicated type B aortic dissection with a stent-graft was effective, with a low morbidity and mortality rate.

• Journal of Chest Surgery
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• 제37권11호
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• pp.911-917
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• 2004

배경: 하지심부정맥 혈전증의 원인으로 알려져 있는 May-Thurner증후군(혹은 장골정맥 눌림증후군)의 임상 증상, 진단 및 혈관내 치료에 대해 분석하고자 하였다. 대상 및 방법: 2001년 3월부터 2003년 7월까지 May-Thurner증후군으로 진단 받은 12명의 환자들을 대상으로 하였으며 진단방법으로는 정맥조영술, 정맥초음파, 혈관조영 컴퓨터 단층촬영을 이용하였고 혈관내 시술은 혈전용해술, 혈전제거술, 혈관성형술, 혈관내 스텐트삽입 등을 시행하였다. 결과: 임상양상으로는 하지부종이 4예, 하지의 통증이 1예에서 보였으며 5예에서는 하지부종과 통증이 동반되었고 하지부종과 통증과 압통이 동반된 경우도 1예였다. 1예에서는 부종이나 통증은 없었으며 하지정맥류로 인해 시행한 정맥조영술에서 May-Thurner증후군이 발견되었다 진단방법으로는 임상양상과 더불어 1예를 제외하고는 모든 환자들이 정맥 조영술과 혈관조영 컴퓨터 단층촬영을 시행하였고 이중 4예에서는 정맥 초음파를 시행하였다. 혈관성형술을 11예에서 시행하였고, 혈관내 스텐트 삽입은 10예, 혈전 제거술은 9예, 혈전용해술은 7예에서 시행되었다. 9예에서 추적관찰을 하였고 이중 7예에서 혈관내 원활한 혈류의 흐름을 관찰할 수 있었다. 결론: 하지의 심부정맥 혈전증 환자에 있어서 May-Thurner증후군의 가능성을 충분히 인식하여야 하며 이의 진단을 위하여 다양한 방법이 필요하며 치료 방법으로는 혈관내 시술이 안전하면서 효과적이라고 생각된다.

• Journal of Chest Surgery
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• 제42권5호
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• pp.677-683
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• 2009

메이-터너 증후군은 좌측 장골정맥이 우측 총장골동맥에 눌러져 발생하는 장골-대퇴정맥의 심부정맥 혈전증이다. 비록 카테터를 이용한 혈전제거 술과 혈전용해 및 스텐트 삽입술이, 기술적 수월함과 낮은 재발율로 인해 급성기 혹은 아급성기의 메이-터너 증후군 환자들에게 보편적인 치료법으로 인식되고 있지만 일부 환자에서는 치명적인 합병증을 일으킬 수 있다. 더군다나 만성 메이-터너 증후군 환자에서의 궁극적인 적절한 치료법은 아직 정립되어 있지 않다. 저자들은 2예의 만성 메이-터너 증후군 환자에서 혈관 내 치료법 실패 후 수술적 혈전제거 술과 스텐트 삽관술, 동정맥루 조성술을 적용하였다. 이러한 수술적 치료법은 일부 혈관 내 치료가 적응증이 될 수 없는 환자에게 유의한 치료법으로 이용될 수 있을 것이다.

• 한국임상약학회지
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• 제24권2호
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• pp.106-114
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• 2014

Purpose: Recent investigations suggest that the antiplatelet effect of clopidogrel may be decreased when this medication is taken together with certain proton pump inhibitors (PPIs). However, there has been no study conducted in Korea regarding the clinical effect of clopidogrel-PPI interaction. This study targeted patients who received stents to investigate the effect of the concomitant use of clopidogrel and PPIs on the occurrence of adverse cardiovascular events in Korean patients. Methods: The patients who received a stent insertion at the Yeouido St. Mary's Hospital between January 2010 and April 2011 were included. The patients were divided into two groups, clopidogrel and clopidogrel + PPI, and followed for 12 months after the date of stent insertion using prescription history and medical records. The recurrence rates of the cardiovascular events among the two patient groups were statistically analyzed. Results: There was no difference between the two groups in the basic characteristics of the 157 patients in the clopidogrel group and the 62 patients in the clopidogrel+PPI group. Simple logistic regression showed a significantly higher rate of re-hospitalization in the clopidogrel+PPI group (OR=1.893, 95% CI 1.040-3.445, p=0.037). However, the results of the multivariate logistic regression of the variables found to have statistical significance by crosstabulation showed no significant difference in the rate of adverse cardiovascular events or re-hospitalization between the two groups. Conclusions: There was no significant difference between the clopidogrel and clopidogrel+PPI group among new patients with cardiovascular stents with respect to the occurrence of revascularization procedures, stent thrombosis, or chest pain, or with respect to the re-hospitalization rate for all cardiovascular events.

• Journal of Yeungnam Medical Science
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• 제33권2호
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• pp.166-169
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• 2016

Afferent loop obstruction following gastrectomy is a rare but fatal complication. Clinical features of afferent loop obstruction are mainly gastrointestinal symptoms. A 56-year-old female underwent radical total gastrectomy with Roux-en-Y esophagojejunostomy for treatment of advanced gastric cancer. After fourteen months postoperatively, she showed gradual development of edema of both legs. Computed tomography (CT) scan showed disease progression at the jejunojejunostomy site and consequent dilated afferent loop, which resulted in inferior vena cava (IVC) compression. A drainage catheter was placed percutaneously into the afferent loop through the intrahepatic duct and an IVC filter was placed at the suprarenal IVC, and self-expanding metal stents were inserted into bilateral common iliac veins. With these procedures, sympotms related with afferent loop obstruction and deep vein thrombosis were improved dramatically. The follow-up abdominal CT scan was taken 3 weeks later and revealed the completely decompressed afferent loop and improved IVC patency. Surgical treatment should be considered as the first choice for afferent loop obstruction; however, because it is more immediate and less invasive, non-surgical modalities, such as percutaneous catheter drainage or stent placement, can be effective alternatives for inoperable cases or risky patients who have severe medical comorbidities.

• Journal of Yeungnam Medical Science
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• 제30권1호
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• pp.31-35
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• 2013

Hematoma is quite a common complication of femoral arterial catheterization. However, to the best of our knowledge, there have been no previous studies regarding deep vein thrombosis (DVT) caused by compression of a vein due to a hematoma. We report a case of a hematoma developing after femoral arterial catheterization and causing extensive symptomatic DVT. A 59-year-old male was seen in our Emergency Department with right lower leg swelling 15 days after coronary stent implantation performed using right femoral artery access. Computed tomographic (CT) scanning revealed a large hematoma (45 mm in its longest diameter) compressing the common femoral vein and with DVT from the right external iliac vein to the popliteal vein. Due to the extensive DVT involvement, we decided to release the compressed common femoral vein by surgical evacuation of the large hematoma. However, even following evacuation of the hematoma, as the DVT did not resolve soon, further mechanical thrombectomy and catheter-directed thrombolysis were performed. Angiography then showed nearly resolved DVT, and the leg swelling was improved. The patient was discharged with the anticoagulation medication, warfarin.

• Journal of Korean Neurosurgical Society
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• 제66권6호
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• pp.735-742
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• 2023

Nephrotic syndrome (NS) is associated with cerebral venous sinus thrombosis (CVST), which is a rare cerebrovascular disorder in children. Systemic anticoagulation with heparin is the standard therapy for CVST, and mechanical thrombectomy (MT) has been described as a salvage treatment for adult anticoagulant refractory CVST, However, it has never been reported in children. We describe a case of MT for refractory CVST in a child with NS. A 13-year-old boy with newly diagnosed NS presented to an emergency department with acute headache. A head computed tomography showed acute thrombus in the superior sagittal sinus, straight sinus and transverse sinus. The child was started on heparin therapy, but clinically deteriorated and became unresponsive. In view of the rapid deterioration of the condition after anticoagulation treatment, the patient received intravascular treatment. Several endovascular technologies, such as stent retriever and large bore suction catheter have been adopted. After endovascular treatment, the patient's neurological condition was improved within 24 hours, and magnetic resonance venography of the head demonstrated that the CVST was reduced. The child recovered with normal neurological function at discharge. This case highlights the importance of considering MT for refractory CVST, and we suggest that MT may be considered for refractory CVST with NS in children.

• 한국방사선학회논문지
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• 제13권3호
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• pp.381-389
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• 2019

약물용출 스텐트(drug-eluting stents, DES)는 일반 금속 스텐트에 비하여 재협착을 현저하게 줄였지만, 여전히 관상동맥 스텐트 재협착은 비율이 높다. 2012년 11월부터 2016년 12월까지의 일 대학교병원 심혈관센터에서 경피적 관상동맥 스텐트 삽입술 후 관상동맥 조영술에서 스텐트 재협착 환자 187명 그룹 I (약물코팅 풍선카테터 사용, n=127명), 그룹 II (약물용출 스텐트 사용, n=60명)로 분류하여 치료효과, 주요심장사건, 사망 발생률, 심근경색, 표적병변 재개통술 그리고 스텐트 혈전 등을 2년 동안 추적 분석하였다. 임상적 특성은 두 그룹간 차이는 없었고($21.1{\pm}5.3$ vs. $25.3{\pm}9.6 mm$, p<0.002), 혈관조영검사에서 약물코팅 풍선카테터 사용 그룹에서 스텐트 재협착 길이가 짧았다. 주요심장사건은 8.7%vs.10.0%, p=0.789, 사망발생률 0%vs. 0%,p=1.000, 심근경색 1.6%vs.6.7%, p=0.085, 표적병변 재개통술 8.7% vs. 10.0%, p=0.789 그리고 스텐트 혈전증 0% vs. 0%, p=1000에서 양군 간에 차이를 보이지 않았다. 약물코팅 풍선카테터가 약물방출 스텐트와 비교하여 2년 추적 검사 결과 주요심장사건에서 차이가 없었고, 약물코팅 풍선카테터는 스텐트 재협착 병변에서 약물방출 스텐트와 함께 선택할 수 있는 좋은 치료방법이라고 사료된다.

• Journal of Chest Surgery
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• 제47권6호
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• pp.552-555
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• 2014

Thoracic endovascular aortic repair has become a widespread alternative treatment option for thoracic aortic aneurysm. The debranching of arch vessels may be required to provide an acceptable landing zone for an endovascular stent graft. We report a case where the bypass graft used in the thoracic endovascular aortic repair procedure compressed the left internal jugular vein, causing acute thrombotic occlusion.

• Journal of Korean Neurosurgical Society
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• 제49권2호
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• pp.116-119
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• 2011

The surgical as well as endovascular treatment of blood-blister-like aneursysms (BBAs) is extremely difficult because of these pathological natures, such as small and the fragile necks. The optimal treatment of BBAs has remained uncertain. Stents are known to divert blood flow and induce thrombosis of intracranial aneurysms. We report 3 cases of successful obliteration of BBAs after multiple stents placement.