1.Two Cases of Cutaneous Leishmaniasis Treated with Itraconazole.
Byoung Chan PARK ; Hee Jae CHAE ; Jong Yuk YI ; Baik Kee CHO ; Won HOUH ; Dong Jin KIM ; Won Young CHOI
Annals of Dermatology 1992;4(2):91-94
Two patients with cutaneous leishmaniasis were treated with itraconazole. One patient was a 24-year-old man who had several erythematous papulonodules on the extremities for 1 month, which revealed cutaneous leishmaniasis, histopathologically. He was treated with itraconazole (200 mg/day) for 2 months. After treatment he showed clinical healing and the biopsy specimens no longer showed leishmania organisms. The other patient was a 27-year-old female who had several erythematous papulonodules on the face and neck for 3 months. The skin lesions revealed leishmania organisms in the tissue sections and culture media. She was also treated with itraconazole (200 mg/day) for 2 months. After treatment she also showed satisfying clinical healing and the biopsy specimens revealed no leishmania organisms. No specific side effects were encountered in both patients during the treatment. From these results, itraconazole is considered to be one of the promising anti-leishmanial drugs.
Adult
;
Biopsy
;
Culture Media
;
Extremities
;
Female
;
Humans
;
Itraconazole*
;
Leishmania
;
Leishmaniasis, Cutaneous*
;
Neck
;
Skin
;
Young Adult
2.Massive Hemoptysis due to Acute Mitral Regurgitation with Sporadic Primary Mitral Valve Prolapse.
Won Young CHAE ; Sun Jin PARK ; Chi Woo SONG ; Byoung Hoon LEE ; Sang Hoon KIM ; Jae Hyung LEE
Korean Journal of Critical Care Medicine 2015;30(3):202-206
The most common cardiac cause of massive hemoptysis is mitral stenosis. Mitral regurgitation is rarely complicated by massive hemoptysis. A 48-year-old man with no significant medical history was admitted to our hospital with hemoptysis and production of 500 mL of blood within 24 hours. A pan-systolic murmur was found on chest examination. A chest computed tomography showed airspace consolidation in the right upper and middle lobes, with faint bilateral ground glass opacity. Echocardiography revealed mitral valve prolapse and grade IV mitral regurgitation. The patient was diagnosed with sporadic primary mitral valve prolapse. After mitral valve repair surgery, the patient recovered fully.
Echocardiography
;
Glass
;
Hemoptysis*
;
Humans
;
Middle Aged
;
Mitral Valve Insufficiency*
;
Mitral Valve Prolapse*
;
Mitral Valve Stenosis
;
Mitral Valve*
;
Thorax
3.Comparison of Epidural Buprenorphine and Morphine for Postoperative Pain Management in Gynecologic Lower Abdominal Surgery.
Hye Won LEE ; Jae Hwan KIM ; Hae Ja LIM ; Byoung Kuk CHAE ; Jung Soon SHIN ; Seong Ho CHANG
Korean Journal of Anesthesiology 1993;26(3):549-558
In a double-blind randomized study of five groups of fifty patients scheduled for gynecologic lower abdominal surgery the analgesic efficacy and side effects of epidurai buprenorphine were tested and compared to epidural morphine. Single epidural injeetion of 0.15mg of buprenorphine in group B 0.15, 0.30 mg of buprenorphine in group B D.3, 0.45 mg of buprenorphine in group B 0.45, 3 mg of morphine in group M 3 or 6 mg of morphine in group M 6 mixed with 10 ml of normal saline was done when the patients complained of postoperative pain after general anesthesia with enflurane-N2O-O2. The results were as follows; 1) The onset of analgesia was the most rapid in group B 0.45(20.7+/-3.2 minutes), and appeared as following order: group M 6(29.3+/-14.3 minutes), group M 3(37.5+/-6.7 minutes), group B 0.3(39.3+/-8.7 minutes), and group B 0.15(60.7+/-20.2 minutes). 2) Additional requirement of analgesics during first 24 hours after epidural injection was more frequent in group B O.IS(70%) than in any other four groups. 3) The lowest pain score during 24 hours after epidural injection was the lowest in group M 6(1.6+/-0.5) and group B 0.45(1.8+/-0.4) and the increasing order of the lowest pain score were as follows; 2.2+/-0.4 in group M 3, 2.3+/-0.5 in group B 0.3 and 2.6+/-0.5 in group B 0.15. 4) The pain score measured 24 hours after epidural injection was significantly lower in group B 0.45(2.0+/-0.0) than in any other four groups. 5) Subjective rating of well-being for first 24 hours following epidural injection was better in group B 0.45(good in 60% of patients) than in group M 6(good in 10% of patients). 6) Subjective rating of sleep at the first postoperative night showed no significant differences among five groups. 7) Disturbance of micturition after removal of catheter was noted in group B 0.45 and group M 6(30% each) and spontaneous urination after removal of catheter was significantly delayed in group B 0.45(9.1+/-10.2 hours) and in group M 6(7.2+/-7.8 hours) comparing to other three groups. 8) Pruritus was noted only in the groups with epidural morphine(in group M 3 & M 6; 70% each) and there was no statistieal difference between group M 3 and group M 6. 9) The frequency of nausea or vomiting was the lowest in group B 0.45(30%) and the highest in group M 3(90%), and no significant differences were noted among other three groups. 10) Dizziness was noted in group B 0.45 and in group M 6(30% each), but there was no statistical significances among five groups. I I) No signs of respiratory depression were noted.
Analgesia
;
Analgesics
;
Anesthesia, General
;
Buprenorphine*
;
Catheters
;
Dizziness
;
Humans
;
Injections, Epidural
;
Morphine*
;
Nausea
;
Pain, Postoperative*
;
Pruritus
;
Respiratory Insufficiency
;
Urination
;
Vomiting
4.Acute lung injury after bee sting acupuncture.
Won Young CHAE ; Sang Hoon KIM ; Yung Hee LEE ; Byoung Hoon LEE ; Jae Hyung LEE ; Jeong Joo WOO
Allergy, Asthma & Respiratory Disease 2015;3(2):151-154
Bee stings can cause severe adverse reactions. There have been no cases of acute lung injury induced by bee sting acupuncture. We report a case of a 52-year-old male who required high flow oxygen therapy because of acute lung injury by bee sting acupuncture. The patient had been treated with live bee sting acupuncture by himself for knee pain. After self-injections of live bee sting, he immediately presented with generalized urticaria that remitted within 3 hours after taking an oral antihistamine. Ten days later, he visited our emergency department due to dyspnea and dizziness. He was diagnosed with acute lung injury by bee sting acupuncture based upon a history of symptom onset after exposure to the allergen and clinical test results. This case emphasizes that practitioners should consider potential risks of delayed-onset adverse reactions induced by bee sting acupuncture.
Acupuncture*
;
Acute Lung Injury*
;
Bee Venoms
;
Bees*
;
Bites and Stings*
;
Dizziness
;
Dyspnea
;
Emergency Service, Hospital
;
Humans
;
Knee
;
Male
;
Middle Aged
;
Oxygen
;
Urticaria
5.Multiple Chemical Sensitivity.
Hong Jae CHAE ; Byoung Gwon KIM ; Hwan Cheol KIM ; Mi Young LEE ; Jong Han LEEM
Korean Journal of Occupational and Environmental Medicine 2012;24(4):328-338
This article reviews newly available knowledge on multiple chemical sensitivity (MCS), a chronic medical condition characterized by symptoms in multiple organ and caused by exposure to low levels of common chemicals. Although various pathophysiological models have been proposed (including toxicological, immunological or behavioral models), the causes and underlying mechanisms of MCS are still not fully understood. Most patients with MCS were women between the ages of 30 and 50 years. The most frequently reported trigger was a newly constructed home or job site. The common symptoms are vague, non-specific complaints: fatigue, difficulty concentrating, poor memory, sneezing/runny nose, headache, and muscle pain. There are no laboratory markers or specific investigative findings for MCS. The Quick Environmental Exposure and Sensitivity Inventory (QEESI)(c) has been used as a screening questionnaire. Treatment focuses on assisting patients at the earliest possible opportunity to reduce their exposure to unique symptom triggers and known hazardous chemicals. Early comprehensive assessment, medical management, and social and financial support might avoid the deterioration of functions associated with prolonged illness.
Biological Markers
;
Environmental Exposure
;
Fatigue
;
Female
;
Financial Support
;
Hazardous Substances
;
Headache
;
Humans
;
Mass Screening
;
Memory
;
Multiple Chemical Sensitivity
;
Muscles
;
Nose
;
Questionnaires
;
Workplace
6.Effects of Ranibizumab, Bevacizumab, and Aflibercept on Senescent Retinal Pigment Epithelial Cells.
Jae Byoung CHAE ; Chang Rae RHO ; Jeong Ah SHIN ; Jungmook LYU ; Seungbum KANG
Korean Journal of Ophthalmology 2018;32(4):328-338
PURPOSE: Anti-vascular endothelial growth factor (VEGF) agents have been used for the last 10 years, but their safety profile, including cytotoxicity against various ocular cells such as retinal pigment epithelial (RPE) cells, remains a serious concern. Safety studies of VEGF agents conducted to date have primarily relied on healthy RPE cells. In this study, we assessed the safety of three anti-VEGF agents, namely, ranibizumab, bevacizumab, and aflibercept, on senescent RPE cells. METHODS: Senescent human induced pluripotent stem cell-derived RPE cells were generated by continuous replication and confirmed with senescence biomarkers. The viability, proliferation, protein expression, and phagocytosis of the senescent RPE cells were characterized 3 days after anti-VEGF treatment with clinical doses of ranibizumab, bevacizumab, or aflibercept. RESULTS: Clinical doses of ranibizumab, bevacizumab, or aflibercept did not decrease the viability or alter proliferation of senescent RPE cells. In addition, the anti-VEGF agents did not induce additional senescence, impair the protein expression of zonula occludens-1 and RPE65, or reduce the phagocytosis capacity of senescent RPE cells. CONCLUSIONS: Clinical dosages of ranibizumab, bevacizumab, or aflibercept do not induce significant cytotoxicity in senescent RPE cells.
Aging
;
Bevacizumab*
;
Biomarkers
;
Endothelial Growth Factors
;
Epithelial Cells*
;
Humans
;
Phagocytosis
;
Ranibizumab*
;
Retinaldehyde*
;
Vascular Endothelial Growth Factor A
7.Detection of Anaplasma sp. in Korean Native Goats (Capra aegagrus hircus) on Jeju Island, Korea.
Giyong SEONG ; Yu Jung HAN ; Jeong Byoung CHAE ; Joon Seok CHAE ; Do Hyeon YU ; Young Sung LEE ; Jinho PARK ; Bae Keun PARK ; Jae Gyu YOO ; Kyoung Seong CHOI
The Korean Journal of Parasitology 2015;53(6):765-769
Anaplasma species are obligate intracellular pathogens that can cause tick-borne diseases in mammalian hosts. To date, very few studies of their occurrence in Korean native goats (Capra aegagrus hircus) have been reported. In the present study, we investigated Anaplasma infection of Korean native goats on Jeju Island, Republic of Korea, and performed phylogenetic analysis based on the 16S rRNA gene sequences. Our results showed that Anaplasma infection was found mostly in adult female goats. The phylogenetic tree revealed that the 7 sequences identified in Korean native goats could belong to Anaplasma sp. and were distinct from A. marginale, A. centrale, and A. ovis. The results indicated that the sequences identified to belong to Anaplasma were closely related to sequences isolated from goats in China and were clustered within the same group. To our knowledge, this is the first study to detect Anaplasma sp. infection in Korean native goats.
Anaplasma/classification/genetics/*isolation & purification
;
Anaplasmosis/*microbiology
;
Animals
;
Female
;
Goat Diseases/*microbiology
;
Goats
;
Islands
;
Male
;
Molecular Sequence Data
;
Phylogeny
;
Republic of Korea
8.Pathology and Renal Outcome of IgA Nephropathy.
Jun Young LEE ; Jae Won YANG ; Jae Seok KIM ; Young Sub KIM ; Hyeoncheol PARK ; Moon Hee CHAE ; Seung Ok CHOI ; Minseob EOM ; Byoung Geun HAN
Korean Journal of Medicine 2015;88(4):397-405
BACKGROUND/AIMS: The Oxford classification of immunoglobulin A nephropathy (IgAN) is a pathology-based prognostic classification system. However, further study is needed to determine its validity. We studied the relationships between the Oxford classification and established prognostic factors and renal survival. We also examined associations between electron microscopy findings and these parameters. METHODS: We reviewed and reclassified 213 patients who were diagnosed with IgAN from 1997 to 2007 using the Oxford and World Health Organization (WHO) classification systems. The patients were also categorized by a pathologist using electron microscopy findings, including foot process fusion, glomerular basement membrane thickness, and electron-dense deposits. We examined the correlations between light and electron microscopy data and known prognostic factors (e.g., age, sex, proteinuria, serum creatinine, estimated glomerular filtration rate [eGFR], and blood pressure). The same procedure was applied to renal survival. RESULTS: Patient age increased with the grades of segmental sclerosis (S) and tubular atrophy/interstitial fibrosis (T) (P < 0.05). eGFR decreased significantly with increasing mesangial hypercellularity (M) (p = 0.0034), S (p = 0.0003), endocapillary hypercellularity (E) (p = 0.0411), and T (P < 0.0001). MSET differed significantly by sex (P < 0.0001). The 24-h urine protein/creatinine ratio increased significantly with the degrees of S (p = 0.036), E (p = 0.0155), and T (p = 0.015). The serum creatinine level was significantly higher in patients with T2 than T1 or T0 (P < 0.0001). At the time of biopsy, the degree of tubular atrophy/interstitial fibrosis affected the doubling of serum creatinine or end-stage renal disease. However, the electron microscopy findings did not predict the renal outcome. CONCLUSIONS: Our study suggests that tubular atrophy/interstitial fibrosis is significantly associated with proteinuria and renal progression in IgAN.
Biopsy
;
Classification
;
Creatinine
;
Fibrosis
;
Foot
;
Glomerular Basement Membrane
;
Glomerular Filtration Rate
;
Glomerulonephritis, IGA*
;
Humans
;
Kidney Failure, Chronic
;
Microscopy, Electron
;
Pathology*
;
Prognosis
;
Proteinuria
;
Sclerosis
;
World Health Organization
9.The Characteristics of Spontaneous Action Potential of Cardiac Myocytes in Rabbit Pulmonary Veins.
Kee Joon CHOI ; Won Tae KIM ; Gi Byoung NAM ; Jae Kwan SONG ; Jae Joong KIM ; Seong Wook PARK ; Seung Jung PARK ; Chong Hun PARK ; You Ho KIM ; Yun Shik CHOI ; Chae Hun LEEM
Korean Circulation Journal 2001;31(1):94-106
BACKGROUND AND OBJECTIVES: Atrial fibrillation is one of the most prevalent arrhythmia with clinical significance. Recently, some subset of paroxysmal atrial fibrillation was reported to be originated from a focal, rapidly firing source inside the large thoracic veins, such as pulmonary veins, superior vena cava and coronary sinus. The pulmonary veins are known to be the most frequent source of this type of atrial fibrillation. The proximal segment of pulmonary vein was reported to be made up with cardiac muscle cells. This study was performed 1)to define the characteristics of action potential of cardiac myocytes inside the rabbit pulmonary vein in single cell preparation, 2)to observe the changes in action potential and current activation to acetylcholine and isoproterenol, and 3)to compare these changes with those in atrial myocytes. METHOD AND RESULTS: In most of rabbit specimens, myocardial tissue extended over the pulmonary vein for a few millimeters(1-2.5mm). Single atrial myocyte and myocyte in pulmonary vein were successfully isolated. With using whole cell patch clamp technique, spontaneous activities of action potentials(APs) with diastolic depolarization were observed in 75% of pulmonary vein myocytes, in contrast to the absence of spontaneous activity in atrial myocytes. During spontaneous APs of pulmonary vein myocytes, the maximal diastolic potential was -50.5+/-6.5 mV and peak potential was 32.5+/-9.5 mV, and the frequency of APs was 1-2.5 Hz. During perfusion of isolated pulmonary vein myocytes with acetylcholine, resting membrane potential was hyperpolarized and spontaneous APs activity was markedly reduced or completely disappeared. These effects were observed in very low concentration of acetylcholine, even with 1-2 nM. The analysis of change of currents by applying step pulse revealed this response was mediated by activation of IK(ACh) and the current change was more prominent in pulmonary vein myocytes than atrial myocytes. The responses of these cells to isoproterenol were variable from increased spontaneous APs to inhibition of APs. CONCLUSION: This study revealed that pulmonary vein myocytes was another automatic pacemaking focus, same as sinoatrial nodal and Purkinje cells. These characteristics explain why focal atrial fibrillation was frequently initiated inside pulmonary veins.
Acetylcholine
;
Action Potentials*
;
Arrhythmias, Cardiac
;
Atrial Fibrillation
;
Coronary Sinus
;
Fires
;
Isoproterenol
;
Membrane Potentials
;
Muscle Cells
;
Myocytes, Cardiac*
;
Perfusion
;
Pulmonary Veins*
;
Purkinje Cells
;
Veins
;
Vena Cava, Superior
10.A case of epignathus tumor causing obstruction of upper airway immediately after birth.
Wook Hyun CHOI ; Ji Hyun KIM ; Jae Hee LEE ; Jung Ju LEE ; Sin Weon YUN ; Soo Ahn CHAE ; In Seok LIM ; Dong Keun LEE ; Eung Sang CHOI ; Byoung Hoon YOO
Korean Journal of Perinatology 2008;19(4):377-381
Teratoma originate from one or more germ cell layer and commonly arise from sacrococcygeal area in neonate. Teratoma arising from the oropharyngeal cavity is called "epignathus tumor" and is extremely rare in neonate. Clinical manifestation of epignathus tumor vary from asymptomatic to severe respiratory distress symptom. It is reported that most of the tumor are benign in nature. Large teratoma can be diagnosed by prenatal ultrasonography, but most cases were diagnosed with computed tomography or magnetic resonance image after birth. Prognosis is determined by the need for neonatal resuscitation for respiratory distress at the time of birth and the extent of tumor, involving large vessles, skull base or communication with the brain. We experienced a case of epignathus tumor in a neonate with severe respiratory distress immediately after birth, so that reported with review of the literature.
Brain
;
Germ Cells
;
Humans
;
Infant, Newborn
;
Magnetic Resonance Spectroscopy
;
Parturition
;
Prognosis
;
Resuscitation
;
Skull Base
;
Teratoma
;
Ultrasonography, Prenatal