Long-term treatment outcomes of popliteal artery entrapment syndrome by the Korean Rare Vascular Ailment Research Experts.

Objective: Popliteal artery entrapment syndrome (PAES) results from an anomalous relationship between the popliteal artery and the myofascial structures of the popliteal fossa. The long-term treatment outcomes are not well-known because of the rarity of the disease. This study aimed to establish a nationwide collective dataset and analyze treatment outcomes.

The Mass Infection of COVID-19 in Daegu City of Korea: Vascular Surgeons' Perspective.

Since February 18, 2020, the number of patients with COVID-19 has increased rapidly after the infection was initially confirmed in Daegu. Daegu city subsequently became the largest epicenter of the coronavirus outside China. In the early days of the outbreak of mass infection, Daegu citizens were in various difficult circumstances.

Wound outcomes and factors associated with wound healing after first-time femoropopliteal artery intervention in patients with ischemic tissue loss.

Background/objective: This study's goal is to describe wound outcomes at 2 years following intervention for atherosclerotic femoropopliteal lesions in patients with ischemic tissue loss.

Methods: A retrospective review of 135 first-time endovascular procedures for chronic femoropopliteal atherosclerotic lesions related to ischemic tissue loss was performed. The final wound outcomes were categorized according to the initial wound healing, recurrence and the need of major/minor amputation.

Effect of Opt-out System for Organ Donation After Brain Death on Ethical Legitimacy and Potential Efficacy in a Mathematical Model.

Objectives: We aimed to compare the possible outcomes of the current (opt-in) system and an opt-out system for organ donation in South Korea using a mathematical model.

Materials And Methods: A structured questionnaire was used to investigate the decision on organ donation and family consent after brain death under the current system and an opt-out system. The survey was conducted in August 2018 by means of a voluntary survey of 100 opposite-sex married couples.

The Effect of Severe Femoropopliteal Arterial Calcification on the Treatment Outcome of Femoropopliteal Intervention in Patients with Ischemic Tissue Loss.

Purpose: We investigated the effect of severe calcification of the femoropopliteal artery on intervention outcomes in patients with ischemic tissue loss.

Materials And Methods: A retrospective review of the first endovascular treatment of the femoropopliteal artery for ischemic tissue loss between May 2010 and February 2018 was performed. The calcification of femoropopliteal lesions was estimated by the Compliance 360° score, and lesions with a score of 4 were defined as severe calcification lesions.

Clinical Correlates of Frontal Intermittent Rhythmic Delta Activity Without Structural Brain Lesion.

Frontal intermittent rhythmic delta activity (FIRDA), rhythmic slow wave pattern lasting several seconds over the anterior leads of electroencephalography (EEG), has been reported in a wide variety of clinical conditions. We investigated the clinical significance of FIRDA without structural brain lesions. We reviewed 7689 EEGs between October 2017 and September 2019 at a university hospital.

The effect of a mandatory choice systemfor organ donation after brain death onethical legitimacy and potential efficacyin a mathematical model.

Background: The "mandatory choice" system is an organ donation system that forces individuals to clearly express their choice about organ donation. Although this system is widely practiced in western countries, it has not yet been implemented in many Asian countries. This study aimed to compare the possible outcomes of a mandatory choice system and the current system in Korea.

Survey for the Opinion of Medical Students and Medical Staff on a Financial Incentive System for Deceased Organ Donation in an Asian Country.

Background: Financial incentives for deceased organ donation are associated with many controversial ethical issues. This study examines the perspectives of medical students and staff members on financial incentives for the families of brain-dead organ donors.

Methodology: A structured survey form was used between December 7, 2017 and January 28, 2018 to elicit opinions on financial incentives for the families of brain-dead organ donors.

Impact of Tibial Runoff on Outcomes of Endovascular Treatment for Femoropopliteal Atherosclerotic Lesions.

Objectives: The aim of this study is to investigate the impact of tibial runoff on outcomes of femoropopliteal interventions for atherosclerotic lesions.

Methods: A retrospective review of 243 endovascular procedures for femoropopliteal atherosclerotic lesions on 243 limbs of 197 patients was performed.

Results: The distribution rates of good tibial runoff (runoff score <7) and poor tibial runoff (runoff score ≥7) were 37.

Factors affecting outcomes after endovascular treatment for femoropopliteal atherosclerotic lesions.

Background/objective: This study aimed to investigate the outcomes of femoropopliteal interventions in relation to various influencing factors.

Methods: A retrospective review of 243 endovascular procedures for femoropopliteal atherosclerotic lesions on 243 limbs of 197 patients was performed.

Results: In patients with claudication, the TLR free rates at 1-, 3-, and 5-year intervals were 89.

Effects of phased education on attitudes toward organ donation and willingness to donate after brain death in an Asian country.

Background/objective: This study aims to investigate the effects of phased education on attitudes toward organ donation and willingness to donate after brain death.

Methods: A survey was conducted using a questionnaire to examine attitudes toward organ donation of the families of patients admitted to a surgical intensive care unit (SICU) between March 1, 2014 and September 30, 2016.

Results: Ninety-two people voluntarily participated in this survey.

Survey Regarding Attitude of Family About Organ Donation After Brain Death in Korea.

BACKGROUND This study examined the attitude of patients' relatives in South Korea toward organ donation after brain death. MATERIAL AND METHODS A structured questionnaire was used to obtain the information on the attitude toward organ donation for relatives of patients who were admitted to the surgical intensive care unit (SICU) between March 1, 2014 and September 30, 2016. In total, 92 persons participated voluntarily.

Results of Infrainguinal Bypass with a Composite Graft Combining Polytetrafluoroethylene and Vein Graft in Absence of Appropriate Saphenous Vein Graft.

Purpose: Use of a composite graft combining a polytetrafluoroethylene graft with an autogenous vein is an option for limb salvage in the absence of an adequate single segment vein graft. We aimed to investigate the results of infrainguinal bypass with a composite graft.

Materials And Methods: We retrospectively reviewed 11 infrainguinal arterial bypasses on 11 limbs which underwent surgery from March 2012 to November 2016.

Factors Associated with a Family's Delay of Decision for Organ Donation After Brain Death.

BACKGROUND This study aimed to explore the factors associated with a family's delay of decision for organ donation after brain death, and to investigate the effect of such a delay on organ donation. MATERIAL AND METHODS Medical records and data on counseling about organ donation with the families of 107 brain-dead potential donors between September 2012 and March 2016 at a single tertiary medical center were retrospectively reviewed. RESULTS The final consent rate was 58% (62/107), and successful donation was performed in 40% (43/107).

Thrombolytic Therapy Using Urokinase for Management of Central Venous Catheter Thrombosis.

Purpose: The management of central venous catheters (CVCs) and catheter thrombosis vary among centers, and the efficacy of the methods of management of catheter thrombosis in CVCs is rarely reported. We investigated the efficacy of bedside thrombolysis with urokinase for the management of catheter thrombosis.

Materials And Methods: We retrospectively reviewed data from patients who had undergone CVC insertion by a single surgeon in a single center between April 2012 and June 2014.

The prognosis and treatment outcomes of patients with recurrent hepatocellular carcinoma after liver transplantation.

Liver transplantation (LT) is performed in patients with hepatocellular carcinoma (HCC), but recurrent HCC after LT remains a problem. We retrospectively reviewed the data from 63 patients with recurrent HCC who underwent LT at a single institution between September 1996 and March 2011 to determine the prognosis of patients with recurrent HCC after LT. A survival analysis was performed with the preoperative data, histological findings, patterns of recurrence, and treatment methods.

Antiviral treatment for hepatitis B virus recurrence following liver transplantation.

The purpose of this study was to identify the factors associated with the recurrence of hepatitis B virus (HBV) following liver transplantation (LT) for HBV-related disease and to recognize the outcome of treatment for HBV recurrence with oral nucleos(t)ide analogues. Six hundred and sixty-seven LTs were performed for HBsAg-positive adult patients in our institute from 1996 to 2010. HBV prophylaxis was performed by hepatitis B immunoglobulin (HBIG) monotherapy or HBIG and entecavir combination therapy.

Renal and abdominal visceral complications after open aortic surgery requiring supra-renal aortic cross clamping.

Purpose: The aim of this study was to assess renal or abdominal visceral complications after open aortic surgery (OAS) requiring supra-renal aortic cross clamping (SRACC).

Methods: We retrospectively reviewed the medical records of 66 patients who underwent SRACC. Among them, 17 followed supra-celiac aortic cross clamping (SCACC) procedure, 42 supra-renal, and 7 inter-renal aorta.

The results of surgical treatment for patients with venous malformations.

Background: The objective of this study was to estimate the outcomes of surgical treatment for patients with venous malformations (VMs).

Methods: We retrospectively reviewed the data of 48 patients who underwent surgical management for VMs from 1994 to 2009 at our institute. The 1-year responses to surgeries were classified into three groups based on the results: "remission," "improvement," and "no change.

Risk factors for delayed recanalization of calf vein thrombosis.

Purpose: To determine the risk factors of delayed recanalization of isolated calf vein thrombosis (CVT).

Methods: One hundred fifty limbs of 110 patients with CVT between September 2007 and April 2010 were enrolled. We used ultrasonography for the diagnosis and follow-up examinations of CVT.

A hybrid operation in a patient with complex right subclavian artery aneurysm.

We report a hybrid surgery including endovascular aneurysm repair and debranching procedures to treat a patient with a complex right subclavian artery aneurysm. The patient was a 70-year-old woman who presented with dry cough and hoarseness. The aneurysm was characterized by the absence of a proximal neck, and involvement of the origin of the right vertebral artery.

Prevalence of asymptomatic carotid stenosis in Korea based on health screening population.

We attempted to investigate the prevalence and risk factors of carotid artery stenosis in Korea. Twenty thousand seven hundred twelve individuals who underwent carotid artery ultrasonography for health screening between March 2005 and March 2010 were retrospectively evaluated. The population was divided into four groups, according to the degree of stenosis, as Group A, below 29%; Group B, 30% to 49%; Group C, 50% to 74%; Group D, above 75%.

Risk factors and clinical outcome for anastomotic leakage after total mesorectal excision for rectal cancer.

Background: Anastomosis leakage is a major complication of rectal surgery. The aim of this study was to identify risk factors for anastomotic leakage after low anterior resection (LAR) in rectal cancer patients and study its impact on long-term prognosis and disease-free survival and overall survival in rectal cancer patients.

Methods: Consecutive patients who underwent rectal resection with primary anastomosis below the pelvic peritoneal reflexion for rectal cancer between October 1996 to February 2006 were included.