1.Comparison Study between Dobutamine Stress Echocardiography Using Real-Time Three Dimensional and Two Dimensional Echocardiography for Diagnosis of Coronary Artery Disease : Dobutamine Stress Echocardiography Using Real-Time Three Dimensional Echocardiogr.
Gi Chang KIM ; Chang Kun LEE ; In Sun AHN ; Woong Gil CHOI ; Yun Ah CHOI ; Young Sam KIM ; Dae Hyeok KIM ; Keum Soo PARK ; Woo Hyung LEE ; Jun KWAN
Korean Circulation Journal 2006;36(11):737-743
BACKGROUND AND OBJECTIVES: Dobutamine stress echocardiography (DSE) with 2D echocardiography (2DE) is one of the time-consuming procedures in the diagnosis of coronary artery disease (CAD). Moreover, the accuracy of DSE with 2DE depends on the operator's skill or bias during the image acquisition. This study was conducted to determine the feasibility and accuracy of DSE with real-time 3D echocardiography (RT3DE) for the diagnosis of CAD. SUBJECT AND METHODS: 62 patients (RT3DE: 36, 2DE: 26), suspected of angina pectoris and post-revascularization ischemia, underwent DSE and coronary angiography (CAG). Image acquisition was performed at the baseline, and at 4 times during the dobutamine infusion and recovery stages. The procedure time (from the baseline to the end of the peak dose stage) was recorded. Off-line analyses of the volumetric images acquired with RT3DE were performed using 3D computer software (TomTec, Co.). Digitized quad-screen images acquired with 2DE were analyzed using the 2DE review system (ProSolv 4.0). >50% luminal diameter stenosis of any coronary artery on CAG was defined as significant coronary artery stenosis. RESULTS: The procedure time of DSE with RT3DE was significantly shorter than that of DSE with 2DE (25+/-4 vs. 37+/-4 mins, p<0.001). There was no significant difference in the sensitivity (p>0.05) or specificity (p>0.05) between the two procedures. CONCLUSION: DSE with RT3DE seems to be a feasible and less time consuming diagnostic procedure, probably providing comparable sensitivity and specificity for the detection of coronary artery stenosis, than DSE with 2DE.
Angina Pectoris
;
Bias (Epidemiology)
;
Constriction, Pathologic
;
Coronary Angiography
;
Coronary Artery Disease*
;
Coronary Stenosis
;
Coronary Vessels*
;
Diagnosis*
;
Dobutamine*
;
Echocardiography*
;
Echocardiography, Stress*
;
Echocardiography, Three-Dimensional*
;
Humans
;
Ischemia
;
Phenobarbital
;
Sensitivity and Specificity
2.Treatment of Candida Infection after TKA.
Bong Ju PARK ; Ju O KIM ; Sul Jun KIM ; Ji Hoon CHANG ; Yun Hyeok YANG
Journal of the Korean Knee Society 2009;21(2):98-104
PURPOSE: We wanted to review the clinical results of staged reimplantation in patients who had candidal infection after total knee arthroplasty. MATERIALS AND METHODS: We reviewed five patients who had a candidal prosthetic knee infection, as was assessed by synovial fluid culture. Amphotericin B was intravenously administrated to all five patients during the postoperative period for six weeks and followed for at least twelve months. We carried out two-stage re-implantations with using antifungal agent-impregnated bone cement. Whether or not infection recurred was evaluated according to the symptoms and radiologic and hematologic studies. The clinical results were analyzed on the basis of the range of motion and hospital for special surgery (HSS) score. RESULTS: The final review showed that all of the symptoms disappeared. We could not find any loosening on the radiologic studies and all five patients had normal C-reactive protein values on serological exams. The mean postoperative range of motion was 1degrees (range: 0~5)~99degrees (range: 70~130) and the mean HSS score improved from 49.4 (range: 44~64) points to 73 (range: 65~90) after the re-implantation. CONCLUSION: We successfully controlled five candidal prosthetic knee infections by removing the components in conjunction with using an antifungal- impregnated bone cement and staged re-implantation after a 6 week course of intravenous antifungal drugs.
Amphotericin B
;
Arthroplasty
;
C-Reactive Protein
;
Candida
;
Humans
;
Knee
;
Postoperative Period
;
Range of Motion, Articular
;
Replantation
;
Synovial Fluid
3.Effect of Afatinib for Lung Cancer on Papillary Thyroid Carcinoma
Sang Hwon CHO ; Jin Seok LEE ; Hyeok Jun YUN ; Yong Sang LEE ; Hang-Seok CHANG
International Journal of Thyroidology 2022;15(2):131-134
Papillary thyroid carcinoma is the most common type of thyroid cancer, for which surgery following preoperative staging and risk assessment is the standard treatment. Afatinib is an orally active irreversible ErbB-family inhibitor that binds to the kinase domain of epidermal growth factor receptors (EGFRs), HER2, and HER4, and has been approved as monotherapy for the treatment of locally advanced or metastatic non-small cell lung cancer with activated EGFR mutations. Recently, we observed an unexpected effect of afatinib administered to treat lung cancer on untreated papillary thyroid carcinoma.
4.Cyclosporine in Relapsed Subcutaneous Panniculitis-like T-Cell Lymphoma after Autologous Hematopoietic Stem Cell Transplantation.
Hye Ryun JUNG ; So Yeon YUN ; Jun Hyeok CHOI ; Sung Hwa BAE ; Hun Mo RYOO ; Yoon Seup KUM
Cancer Research and Treatment 2011;43(4):255-259
Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) is a rare T-cell lymphoma characterized by involvement of the subcutaneous tissue of neoplastic T lymphocytes. SPTCL with hemophagocytic syndrome (HPS) is associated with an aggressive clinical course and treatment of SPTCL with HPS is not well established. Cyclophosphamide, doxorubicin, vincristine, prednisolone (CHOP) therapy is not successful in most patients suffering from SPTCL with HPS. The role of high dose chemotherapy followed by hematopoietic stem cell transplantation (HSCT) remains controversial. We report a case of relapsed SPTCL after CHOP chemotherapy and salvage chemotherapy followed by autologous HSCT, which had rapid improvement within weeks after cyclosporine and prednisolone. Immunosuppressive therapy may be an important and successful treatment option in SPTCL patients, even though they may have clinically aggressive disease.
Cyclophosphamide
;
Cyclosporine
;
Doxorubicin
;
Hematopoietic Stem Cell Transplantation
;
Hematopoietic Stem Cells
;
Humans
;
Lymphohistiocytosis, Hemophagocytic
;
Lymphoma
;
Lymphoma, T-Cell
;
Panniculitis
;
Prednisolone
;
Stress, Psychological
;
Subcutaneous Tissue
;
T-Lymphocytes
;
Vincristine
5.Management of Diabetic Mellitus in Low-income Rural Patients.
Hye Yeon KIM ; Woo Jun YUN ; Min Ho SHIN ; Sun Seong KWEON ; Hye Ran AHN ; Seong Woo CHOI ; Young Hoon LEE ; Dong Hyeok CHO ; Jung Ae RHEE
Journal of Preventive Medicine and Public Health 2009;42(5):315-322
OBJECTIVES: Knowledge about the management status of diabetic melitus (DM) is essential to improve diabetic management. Moreover, low income is associated with poor adherence to treatment and increased mortality. This study was performed to evaluate the management status of DM in low-income patients in a rural area. METHODS: We enrolled 370 patients with type 2 DM living in Gokseong county, JeollaNamdo. A well-trained examiner measured the height, weight, waist circumference, blood pressure, total cholesterol, triglyceride, high density lipoprotein cholesterol, fasting blood sugar and glycosylated hemoglobin (HbA1c) levels. Carotid ultrasonography was used to measure carotid artery carotid artery intima media thickness (IMT) and plaque. ankle-brachial index (ABI) was used to evaluate peripheral artery disease. A fundoscopic examination was performed to evaluate diabetic retinopathy. A history of diabetes complications and health-related questionnaires were also completed. RESULTS: The age of diabetic subjects was 68.7+/-8.7 years and the duration of diabetes was 8.9+/-8.2 years. Most (63.5%) had hypertension, and 45.7% had triglycerides below 150 mg/dl, 38.1% had low density lipoprotein cholesterol (LDL) cholesterol below 100 mg/dl, 48.7% had urine albumin to creatinine ratio (UACR) below 30 mg/g. Less than half (45.9%) achieved the goal of HbA1c less than 7% suggested by the American Diabetes Association (ADA). 10.6% had peripheral vascular disease, 11.9% had retinopathy, and 60.8% had chronic kidney disease. CONCLUSIONS: DM management in low income patients is very poor and requires further work to improve.
Aged
;
Blood Glucose
;
Blood Pressure
;
Body Weights and Measures
;
Carotid Arteries/ultrasonography
;
Diabetes Mellitus, Type 2/complications/*therapy
;
Female
;
Health Behavior
;
Health Knowledge, Attitudes, Practice
;
Hemoglobin A, Glycosylated/analysis
;
Humans
;
Korea/epidemiology
;
Lipids/blood
;
Male
;
Middle Aged
;
Patient Compliance
;
*Poverty
;
*Rural Population
;
Socioeconomic Factors
6.A Case of Cerebral Venous Thrombosis Associated with Minimal Change Nephrotic Syndrome.
Sung Chul JEON ; Nack Cheon CHOI ; Hae Jung YUN ; Tae You KIM ; Jun Hyeok KWAK ; Joon Gy HONG ; Byeong Hoon LIM
Journal of the Korean Neurological Association 1999;17(2):289-293
Nephrotic syndrome causes a hypercoagulable state, leading to both venous and arterial thrombosis. Thromboembolic events occur frequently in patients with nephrotic syndrome. However, central venous thrombosis occurs less frequently as a complication of minimal change nephrotic syndrome. The pathogenic mechanisms are not yet unclear, but various alterations in coagulant and anti-coagulant factors may be responsible. We report a case of cerebral venous thrombosis associated with minimal change nephrotic syndrome. A 27-year-old man was admitted due to sudden, severe headache with nausea and vomiting. He complained of a continuous throbbing-type headache in bifrontal area. One month prior to the symptoms, he was diagnosed as having nephrotic syndrome based on clinical manifestations and biopsy findings. The routine laboratory findings showed that he had hyperlipidemia, hypoalbuminemia and proteinuria. In clotting factor analysis, fibrinogen, factor VII, VIII and von Willebrand factor were increased and factor XII, antithrombin III and protein S were decreased. The unenhanced brain CT scan showed a triangle-shape high density in a superior sagittal sinus and gadolinium enhanced brain MRI showed unenhanced blood clot in a superior sagittal sinus. Initial brain MR venography showed a lack of filling of a superior sagittal sinus and poor visualization of cortical veins.
Adult
;
Antithrombin III
;
Biopsy
;
Brain
;
Factor VII
;
Factor XII
;
Fibrinogen
;
Gadolinium
;
Headache
;
Humans
;
Hyperlipidemias
;
Hypoalbuminemia
;
Magnetic Resonance Imaging
;
Nausea
;
Nephrosis, Lipoid*
;
Nephrotic Syndrome
;
Phlebography
;
Protein S
;
Proteinuria
;
Superior Sagittal Sinus
;
Thrombosis
;
Tomography, X-Ray Computed
;
Veins
;
Venous Thrombosis*
;
Vomiting
;
von Willebrand Factor
7.The refit model for end-stage liver disease-Na is not a better predictor of mortality than the refit model for end-stage liver disease in patients with cirrhosis and ascites.
Jun Jae KIM ; Jeong Han KIM ; Ja Kyung KOO ; Yun Jung CHOI ; Soon Young KO ; Won Hyeok CHOE ; So Young KWON
Clinical and Molecular Hepatology 2014;20(1):47-55
BACKGROUND/AIMS: The modification of the Model for End-Stage Liver Disease (MELD) scoring system (Refit MELD) and the modification of MELD-Na (Refit MELDNa), which optimized the MELD coefficients, were published in 2011. We aimed to validate the superiority of the Refit MELDNa over the Refit MELD for the prediction of 3-month mortality in Korean patients with cirrhosis and ascites. METHODS: We reviewed the medical records of patients admitted with hepatic cirrhosis and ascites to the Konkuk University Hospital between January 2006 and December 2011. The Refit MELD and Refit MELDNa were compared using the predictive value of the 3-month mortality, as assessed by the Child-Pugh score. RESULTS: In total, 530 patients were enrolled, 87 of whom died within 3 months. Alcohol was the most common etiology of their cirrhosis (n=271, 51.1%), and the most common cause of death was variceal bleeding (n=20, 23%). The areas under the receiver operating curve (AUROCs) for the Child-Pugh, Refit MELD, and Refit MELDNa scores were 0.754, 0.791, and 0.764 respectively; the corresponding values when the analysis was performed only in patients with persistent ascites (n=115) were 0.725, 0.804, and 0.796, respectively. The significant difference found among the Child-Pugh, Refit MELD, and Refit MELDNa scores was between the Child-Pugh score and Refit MELD in patients with persistent ascites (P=0.039). CONCLUSIONS: Refit MELD and Refit MELDNa exhibited good predictability for 3-month mortality in patients with cirrhosis and ascites. However, Refit MELDNa was not found to be a better predictor than Refit MELD, despite the known relationship between hyponatremia and mortality in cirrhotic patients with ascites.
Adult
;
Aged
;
Alcohol Drinking
;
Area Under Curve
;
*Ascites
;
End Stage Liver Disease/complications/*diagnosis/mortality
;
Female
;
Gastrointestinal Hemorrhage/etiology
;
Humans
;
Liver Cirrhosis/complications/*diagnosis
;
Male
;
Middle Aged
;
*Models, Theoretical
;
ROC Curve
;
Retrospective Studies
;
Severity of Illness Index
;
Survival Analysis
8.Adrenal Schwannoma: Rare Entity of Adrenal Incidentaloma.
Hyeok Jun YUN ; Soo Young KIM ; Seok Mo KIM ; Bup Woo KIM ; Yong Sang LEE ; Hang Seok CHANG ; Cheong Soo PARK
Korean Journal of Endocrine Surgery 2016;16(4):107-111
PURPOSE: Adrenal schwannomas are very rare and are usually incidentally found on autopsy and imaging. The aim of this study was to describe our experience of adrenal schwannoma and review the literature regarding this rare tumor. METHODS: To identify patients with adrenal schwannoma, the MEDLINE database was searched via the major electronic database PubMed using the medical subject heading terms “adrenal” and “schwannoma”. Thirty-nine adrenal schwannoma cases, including two from our institution were included. RESULTS: The mean age at diagnosis was 47.95 years (range, 11~89 years). The female:male ratio was 21:17. Sixteen patients had tumors on the right side, 19 on the left, while one patient had bilateral tumors. The mean tumor size was 6.12 cm (range, 0.6~14.5 cm), and the mean tumor weight was 161.3 g (range, 31.5~600.0 g). Sixteen tumors were solid, four cystic, one solid and cystic, and 18 were not described. Histologically, 14 cases were Antoni A, two were Antoni B, and 12 had concomitant Antoni A and B. CONCLUSION: Adrenal schwannoma is usually an incidental finding, and the clinician must have a high index of suspicion to recognize it when imaging reveals suggestive features.
Adrenal Glands
;
Autopsy
;
Diagnosis
;
Humans
;
Incidental Findings
;
Medical Subject Headings
;
Neurilemmoma*
;
Tumor Burden
9.Eradication of Helicobacter pylori in Patients with S-2 Stage Duodenal Ulcer Scar an Interim Report.
Jun Haeng LEE ; Poong Lyul RHEE ; Jae Geun HYUN ; Won Hyeok CHOE ; Yun Jeong LIM ; Byeong Hoon AHN ; Yong Wook LEE ; Young Ho KIM ; Jae J KIM ; Kwang Cheol KOH ; Seung Woon PAIK ; Jong Chul RHEE ; Kyoo Wan CHOI
Korean Journal of Gastrointestinal Endoscopy 2002;24(2):71-75
BACKGROUND/AIMS: It is recommended that duodenal ulcer patients who are infected with H. pylori should be treated with eradication therapy, whether the ulcer is active or in remission. However, there has been no report on the effect of eradication treatment in patients with incidentally found S-2 stage duodenal ulcer scar. METHODS: We prospectively enrolled 80 H. pylori-positive patients with S-2 stage duodenal ulcer scar who have no past history of ulcer treatment. Treatment group received triple therapy consisted of omeprazole, amoxicillin, and clarithromycin for 2 weeks, whereas control group received no treatment. The follow-up endoscopy was performed every 1 year and when the patients have symptoms of ulcer disease. Fifty-three patients were followed up for more than 1 year. RESULTS: The eradication rate of the treatment group was 92.9%. During the follow-up period of 14.7 months, 20% (5/25) of patients in the control group (2 gastric ulcers and 3 duodenal ulcers) and 3.6% (1/28) of patients in the treatment group (1 duodenal ulcer) developed active or healing stage peptic ulcers (p=0.089). CONCLUSIONS: Our results suggest that H. pylori eradication may he effective in preventing peptic ulcers in patients with S-2 stage duodenal ulcer scar.
Amoxicillin
;
Cicatrix*
;
Clarithromycin
;
Duodenal Ulcer*
;
Endoscopy
;
Follow-Up Studies
;
Helicobacter pylori*
;
Helicobacter*
;
Humans
;
Omeprazole
;
Peptic Ulcer
;
Prospective Studies
;
Stomach Ulcer
;
Ulcer
10.Effect of Wound Healing by Physiotulle® in Donor Site of Split-Thickness Skin Graft.
Woon Hyeok JEONG ; Tae Bin YUN ; Jae Hoon CHOI ; Jun Hyung KIM
Journal of Korean Burn Society 2016;19(1):21-25
PURPOSE: Split thickness skin graft (STSG) is frequently used for reconstructing wounds. The treatment of split-thickness donor sites demands several factors: maintenance a moist condition, minimization of pain, promotion of re-epithelization and ease of care. We have performed a study to evaluate efficacy of Physiotulle® for donor site management. METHODS: A prospective study was conducted from June 2015 to December 2015 and included 20 patients undergoing surgery for reconstructive purposes with the use of STSG. The grafts harvested with a same manner and the donor sites were managed with one of the two dressing material: Physiotulle® or Bactigras®. We campared post-operative pain scale, bleeding of donor site, period of re-epithelization and donor site infection. RESULTS: All of 20 patients were well healed after application of Physiotulle® or Bactigras® dressing without any complications. Pain level was similar between two groups until 3 days after operation but Physiotulle® (4.1±0.233) showed significant (P<0.01) pain increasing on 7 days after operation compared with Bactigras® (2.9±0.277). The bleeding index score on 7 days after operation of Physiotulle® (2.5±0.167) was higher than Bactigras® (2.0±0.211) but there is no difference. Statistically (**P<0.01), the period of re-eopithelization of Physiotulle® (13.50±0.87) was significantly shorten than Bactigras® (17.25±0.65). CONCLUSION: Physiotulle® is effective in re-epithelization. We recommend applying ointment on donor site when exudate is minimized, about 7 days after operation to prevent aggravation of pain and bleeing of donor site.
Bandages
;
Exudates and Transudates
;
Hemorrhage
;
Humans
;
Prospective Studies
;
Skin*
;
Tissue Donors*
;
Transplants*
;
Wound Healing*
;
Wounds and Injuries*