1.A Study for Improvement of Erythropoietin Responsiveness in Hemodialysis Patients.
Jong Won PARK ; Jun Yeung DO ; Kyung Woo YOON
Yeungnam University Journal of Medicine 2001;18(2):226-238
BACKGROUND: Anemia in chronic renal failure plays an important rolr in increasing morbidity of dialysis patients. The causes of the anemia are multifactorial. With using of erythropoietin(EPO), most of uremia-induced anemia can be overcome. However, about 10% of renal failure patients shows EPO-resistant anemia. Hyporesponsiveness to EPO has been realted to many factors: iron deficiency, aluminum intoxication, inflammations, malignancies and secondary hyperparathyroidism. So I evailuated the improvement of EPO responsiveness after correction of above several factors. MATERIALS AND METHODS: Seventy-two patients on hemodialysis over 6 months were treated with intravenous ascorbic acid(IVAA, 300 mg t.i.w. for 12 weeks). After administration of IVAA for 12 weeks,patients were classified into several groups according to iron status, serum aluminum levels and i-PTH levels. Indivisualized treatments were performed; increased iron supplement for absolute iron deficiency, active vitamin D3 for secondary hyperparathyroidism and desferrioxamine(DFO, 5 mg/kg t.i.w.) for aluminum intoxication or hyperferritinemia. RESULTS: 1) Results of IVAA therapy for 12 weeks on all patients(n=72) Hemoglobin levels at 2,4,6 week were significantly elevated compared to baseline. but those of hemoglobin at 8, 10, 12 week were not significantly different. 2) Result of IVAA therapy for 20 weeks on patients with 100 microgram/1< or =ferritin<500 microgram/1 and transferrin saturation(Tsat) below 30%(n=30) After treatment of IVAA for 12 weeks, patients were evaluated the response of therapy according to iron status. Patient with 100 microgram/1< or =ferritin?500 microgram/1 and Tsat below 30% showed the most effective response. These patients were treated further for 8 weeks. Hemoglobin levels at 2, 4 week were significantly increased compared to baseline with significantly reduced doses of EPO at 2, 4, 10, 12, 16, 20 week. Concomitantly significantly improvement of Tsat at 2, 6, 16, 20 week compared to baseline were identified. 3) Result of IVAA therapy for 12 weeks followed by DFO therapy for 8 weeks on patients with serume aluminum above 4 microgram/1(n=12) Hemoglobin levels were not significantly increased during IVAA therapy for 12 weeks but dosages of EPO were significantly decreased at 2, 4, 6, 8 week during DFO therapy compared to pre-treatment status. CONCLUSION: IVAA can be helpful for the treatment of the anemia caused by functional iron deficiency and can reduce the dosage of EPO for anemia correction. And administration of low dose DFO, in cases of increased serum aluminum level, can reduce the requirment of EPO.
Aluminum
;
Anemia
;
Ascorbic Acid
;
Cholecalciferol
;
Deferoxamine
;
Dialysis
;
Erythropoietin*
;
Humans
;
Hyperparathyroidism, Secondary
;
Inflammation
;
Iron
;
Kidney Failure, Chronic
;
Renal Dialysis*
;
Renal Insufficiency
;
Transferrin
2.Determinants of Successful Percutaneous Transluminal Coronary Angioplasty.
Kyo Won CHOI ; Jun Young KWEON ; Yeung Jin KIM ; Tae Il LEE ; Dong Gu SHIN ; Young Jo KIM ; Bong Sup SHIM ; Hyun Woo LEE ; Sam Beom LEE
Yeungnam University Journal of Medicine 1994;11(2):230-239
In Order to evaluate determinants of successful percutaneous transluminal coronary angioplasty (PTCA), PTCA was performed for 172 coronary arterial lesions in 120 patients(89 male, 31 female) at Yeungnam university hospital from Sep. 1992 to Aug 1993. The corinary artery luminal diameter at the site of the original stenosis was eveluated from end-diastolic frames of identical projections of the preangioplasty and immediate post angioplasty. The coronary luminal and balloon diameters were measured with using of computer measuring system. Overall success rate of 172 attempted lesions was 87.2%. Success rate of female patients was 93.5% and higher than those of male patients. According to the clinical diagnosis, success rate in stable angina was 93.7% and higher than those of post myocardial infarction angina, unstable angina and acute myocardial infarcrion. Success rate of American Heart Association type C lesion was 65.5% and lower those of type A(95.7%), type B (89.%). There was significantly difference in preangioplasty luminal stenosis, elastic recoil and length of lesion between successful PTCA group and failed PTCA group. Success rate of lesion location at a bed >45° and presence of intracoronary thrombus were lower than than those of other angiographic findings. In coclusion, primary angioplasty success was affected by specific angiographic factors, Stenosis severity, thrombus, lesion location at a bend >45°, elastic recoil, and length of lesion were the principle of determinants of coronary angioplasty success rate.
American Heart Association
;
Angina, Stable
;
Angina, Unstable
;
Angioplasty
;
Angioplasty, Balloon, Coronary*
;
Arteries
;
Constriction, Pathologic
;
Diagnosis
;
Female
;
Humans
;
Male
;
Myocardial Infarction
;
Phenobarbital
;
Thrombosis
3.Nonfunctioning Adrenocortical Carcinoma: Report of a Case.
Young Soo KIM ; Tong Choon PARK ; Jun Kyu SUH ; Dong Heon LEE ; Won Hee CHOI ; Tae Sook LEE
Korean Journal of Urology 1985;26(2):171-175
Nonfunctioning carcinoma of the adrenal cortex is an extremely rare disease. Lewinsky and his associates could review only a total of 178 cases, collected from the literature up to the year 1974, including their 20 additional new cases. We report on a 55-year-old woman with nonfunctioning adrenocortical carcinoma metastasized to the lung.
Adrenal Cortex
;
Adrenocortical Carcinoma*
;
Female
;
Humans
;
Lung
;
Middle Aged
;
Rare Diseases
4.Topical ALA-Photodynamic Therapy for Acne Can Induce Apoptosis of Sebocytes and Down-regulate Their TLR-2 and TLR-4 Expression.
Eugene JEONG ; Ji Won HONG ; Jung Ah MIN ; Dong Won LEE ; Mi Yeung SOHN ; Weon Ju LEE ; Jun Young LEE ; Young Min PARK
Annals of Dermatology 2011;23(1):23-32
BACKGROUND: Although photodynamic therapy (PDT) is widely performed for acne, little is known about its exact therapeutic mechanism. OBJECTIVE: We aimed to estimate the efficacy and safety of PDT on acne and to discover its mode of action. METHODS: We performed PDT on 12 patients with mild to moderate acne. The clinical efficacy was assessed by counting the acne lesions and measuring the sebum secretion before and after PDT. In addition, we took biopsy samples from the peri-lesional areas before and after 3-session of PDT. To examine the degree of apoptosis of the sebaceous follicles, TUNEL assay was performed. To investigate the changes of toll-like receptor (TLR)-2 and TLR-4 expression after PDT, immunohistochemical stainings were also carried out. Finally, we performed TUNEL assay using the cultured sebocytes to confirm the apoptosis of sebocytes in vitro after PDT. RESULTS: There was a significant reduction in the number of inflammatory acne lesions after PDT, compared to baseline (p<0.05). Sebum excretion significantly decreased 2 weeks after the first PDT session except for one patient (p<0.05). The TUNEL positive cells in the peri-lesional sebaceous glands after PDT markedly increased, compared with those of before PDT. A decrease in TLR-2 and TLR-4 expression by sebaceous glands and epidermis after PDT was 50% and 30%, respectively. CONCLUSION: Our results demonstrate that apoptosis of the sebaceous glands is associated with improvement of acne by PDT. PDT has shown to down-regulate TLR-2 and TLR-4 expression in the sebaceous glands and epidermis of acne patients.
Acne Vulgaris
;
Apoptosis
;
Biopsy
;
Epidermis
;
Humans
;
In Situ Nick-End Labeling
;
Photochemotherapy
;
Sebaceous Glands
;
Sebum
;
Toll-Like Receptors
;
Triazenes
5.A Case of Systemic Lupus Erythematosus Associated With Myelofibrosis.
Yang Sig KIM ; Ho Gue KIM ; Seng Dae CHOI ; Yeung Jun WON ; Young Bae SEO ; Jae Hyuk JUNG ; Hou Gun BAE
Korean Journal of Medicine 1998;55(1):127-130
Myelofibrosis is characterized by excessive deposition of collagen, laminin and fibronectin within the bone marrow stroma. These change can be due to primary myeloproliferative disorders, a variety of malignant process, endocrine disturbances, or inflammatory disease. Clinical and laboratory finding are suggest in the immune process with myelofibrosis. It has been rarely reported that myelofibrosis coexisting with SLE. This is a case report of systemic lupus erythematosus coexisting with bone marrow fibrosis in a 44 years old female patient presenting with menorrhagia, syncope and palpitation. We report the case with relevant literature review. Treatment with corticosteroid in a patient with SLE and myelofibrosis remit to the clinical and hematologic abnormalities.
Adult
;
Bone Marrow
;
Collagen
;
Female
;
Fibronectins
;
Humans
;
Laminin
;
Lupus Erythematosus, Systemic*
;
Menorrhagia
;
Myeloproliferative Disorders
;
Primary Myelofibrosis*
;
Syncope
6.Case Analysis of Pulmonary Sequestration.
Yang Bin JUN ; Sung Ho SHIN ; Tae Yeol JUNG ; Hyuck KIM ; Shee Yeung HAHM ; Churl Bum LEE ; Won Sang JUNG ; Young Hak KIM ; Jung Ho KANG ; Heng Ok JEE
The Korean Journal of Thoracic and Cardiovascular Surgery 1998;31(12):1206-1211
BACKGROUND: Pulmonary sequestration is not common and it's diagnosis needs special care such as an aortogram ar tomography. MATERIAL AND METHOD: We have experienced 13 patients who had pulmonary sequestration from January 1990 to September 1997. RESULT: Six men and seven women were treated and their mean age was 25.8+/-14.3 years. Their chief complaints were coughing, chest pain, and no symptoms in decreasing order. There were nine intralobar (ILS) and three extralobar (ELS) pulmonary sequestrations and one patient had both. There was no preference in location of either left or right. They were mainly diagnosed by aortography and their feeding arteries commonly originated from the lower thoracic aorta. The patients with ILS were treated by lobectomy and those with ELS by sequestrectomy. CONCLUSION: to treat pulmonary sequestration properhy, aortogram or chest CT is warranted to iidenty the abnormal origin of feeding artery.
Aorta, Thoracic
;
Aortography
;
Arteries
;
Bronchopulmonary Sequestration*
;
Chest Pain
;
Cough
;
Diagnosis
;
Female
;
Humans
;
Male
;
Tomography, X-Ray Computed
7.Ictal Focus on the Bialateral Claustrum in a Case of Insular Seizure Manifesting as Status Epilepticus.
Soochul PARK ; Ji Yoon KIM ; Hyung Jun PARK ; Yoseob WON ; Yeung Yeuob KIM ; Hae Jeong PARK ; Jong Doo LEE
Journal of the Korean Neurological Association 2006;24(4):372-377
Insular lobe seizure (ILS) is very rare and ictal focus has not been documented by neuroimaging studies. Clinical characteristics consist of clearly preserved consciousness, visceral sensation, somatomotor symptoms, and dysphonic or dysarthric speech. We report a 34-year-old female with ILS, manifesting as first onset status epilepticus. SISCOM and SPM analysis through brain MRI and 18F FDG PET-CT reveals ictal focus on the bilateral claustrum, which has a close relationship with insula anatomically. This is the first case report in Korea.
Adult
;
Basal Ganglia*
;
Brain
;
Consciousness
;
Female
;
Humans
;
Korea
;
Magnetic Resonance Imaging
;
Neuroimaging
;
Seizures*
;
Sensation
;
Status Epilepticus*
8.A Case of Gastric Ulcer associated with Mucormycosis.
Won Joo MOON ; Byoung Jun KIM ; Yeung Jae KO ; Chan Hyoung JEONG ; Yon Joo HA ; Min Ho KIM ; Hyeong Seok OH ; Jung Kun YOON
Korean Journal of Medicine 1999;56(4):532-536
Mucormycosis is an uncommon, frequently fatal, opportunistic fungal infection. Rhino-cerebral and pulmonary involvement are the most common forms and usually occur in immunecompromised patients. Gastrointestinal involvement is extremely rare, the stomach being the most frequently involved site among them. We report a case of gastric mucormycosis in a 37 year old male alcoholic with gastric ulcer. On histological examination, characteristic findings of hyphae with irregular width and right angle branchings were observed in the gastric mucosa and ulcer debris. The diagnosis of gastric mucormycosis was made by the characteristic histological nature. The patient was treated aggressively with antibiotics and antiulcer regimen for 6 weeks, and then no fungus was present on follow up biopsy of gastric mucosa.
Adult
;
Alcoholics
;
Anti-Bacterial Agents
;
Biopsy
;
Diagnosis
;
Follow-Up Studies
;
Fungi
;
Gastric Mucosa
;
Humans
;
Hyphae
;
Male
;
Mucormycosis*
;
Stomach
;
Stomach Ulcer*
;
Ulcer
9.Management of immune thrombocytopenia: 2022 update of Korean experts recommendations
Young Hoon PARK ; Dae-Young KIM ; Seongkoo KIM ; Young Bae CHOI ; Dong-Yeop SHIN ; Jin Seok KIM ; Won Sik LEE ; Yeung-Chul MUN ; Jun Ho JANG ; Jong Wook LEE ; Hoon KOOK ;
Blood Research 2022;57(1):20-28
Despite the availability of therapies to treat patients with immune thrombocytopenia (ITP), there is currently little data from randomized trials to assist clinicians in managing patients. The evidence-based guidelines of the Korean Society of Hematology Aplastic Anemia Working Party (KSHAAWP) are intended to support patients and physicians in the management of ITP. Experts from the KSHAAWP discussed and described this guideline according to the current treatment situation for ITP in Korea and finalized the guidelines. The expert panel recommended the management of ITP in adult and pediatric patients with newly diagnosed, persistent, and chronic disease refractory to first-line therapy with minor bleeding. Management approaches include observation and administration of corticosteroids, intravenous immunoglobulin, anti-D immunoglobulin, and thrombopoietin receptor agonists. Currently, evidence supporting strong recommendations for various management approaches is lacking. Therefore, a large focus was placed on shared decision-making, especially regarding second-line treatment.
10.Reduced-Intensity Conditioning with Busulfan and Fludarabine for Allogeneic Hematopoietic Stem Cell Transplantation in Acute Lymphoblastic Leukemia
Seung-Shin LEE ; Sung-Hoon JUNG ; Young Rok DO ; Dae Sik KIM ; Ji Hyun LEE ; Han-Seung PARK ; Joon Ho MOON ; Jun Ho YI ; Yong PARK ; Youngil KOH ; Ho-Young YHIM ; Yunsuk CHOI ; Yeung-Chul MUN ; Won-Sik LEE ; Seok LEE ; Deok-Hwan YANG ;
Yonsei Medical Journal 2020;61(6):452-459
Purpose:
Allogeneic hematopoietic stem cell transplantation (HSCT) with optimal conditioning has helped better long-term survival in acute lymphoblastic leukemia (ALL). This study investigated the efficacy and safety of reduced-intensity conditioning (RIC) with busulfan and fludarabine in adult ALL patients unfit for myeloablation.
Materials and Methods:
Records of 78 patients who underwent HSCT with RIC consisting of 3.2 mg/kg/day of busulfan for 2 or 3 days and 30 mg/m2/day of fludarabine for 5 or 6 days were analyzed.
Results:
The median age at diagnosis was 49 years. Over a median follow-up of 22 months, 2-year estimates of relapse-free survival (RFS) and overall survival were 57.4% and 68.7%, respectively. Multivariate analysis showed a trend of improved RFS in patients with chronic graft-versus-host disease (GVHD) (hazard ratio, 0.53; 95% confidence interval, 0.26–1.08; p=0.080). The cumulative incidences of relapse and non-relapse mortality were 42.9% and 19.6%, respectively and one case of central nervous system relapse was noted. No hepatic veno-occlusive disease was reported. Grade II–IV acute GVHD and any grade chronic GVHD occurred in 21.1% and 41.7%, respectively.
Conclusion
RIC with busulfan and fludarabine is an effective and safe conditioning regimen for adult ALL patients unfit for myeloablation.