1.Nosocomial Infection Rate Comparison of Military and Civilian Intensive Care Units.
Sang Oh LEE ; Jae Gyun LIM ; Jin Ok PARK ; Hyung Suk NOH ; Jae Seok CHOI ; Alexander D SHIN
Korean Journal of Nosocomial Infection Control 2001;6(1):1-7
BACKGROUND: This study was undertaken to compare nosocomial infection rates between intensive care units of military and civilian hospitals. METHODS: From July to December 2000, we surveyed the intensive care unit of Armed Forces Capital Hospital (AFCH). We compared device use ratios and device-day infection rates with those of Korean Society for Nosocomial Infection Control (KOSNIC) and National Nosocomial Infections Surveillance (NNIS) system. RESULTS: During the period of study, 185 cases were admitted and 24 nosocomial infections were detected: 7 cases of pneumonia, 6 urinary tract, 3 blood stream, 3 cardiovascular system, 3 surgical site infections, 1 skin and soft tissue, and 1 central nervous system infection. Ventilator, urinary catheter and central venous catheter use ratios were 0.14 (95% confidence interval, 0.12-0.16), 0.58 (0.56-0.60) and 0.33 (0.31-0.35). The ratios of NNIS were 0.41, 0.67 and 0.50. Ventilator-, urinary catheter- and central venous catheter-day infection rates were 18.69(11.36-53.32), 6.65 (3.36-14.20) and 1.95 (1.44-9.92). However, the rates of KOSNIC were 9.93, 5.29 and 3.62. The rates of NNIS were 11.24, 6.14 and 5.55. CONCLUSIONS: In AFCH ventilators were used less frequently than NNIS, but more ventilator-associated pneumonia were developed than KOSNIC and NNIS.
Arm
;
Cardiovascular System
;
Central Nervous System Infections
;
Central Venous Catheters
;
Cross Infection*
;
Hospitals, Military
;
Humans
;
Intensive Care Units*
;
Critical Care*
;
Military Personnel*
;
Pneumonia
;
Pneumonia, Ventilator-Associated
;
Rivers
;
Skin
;
Urinary Catheters
;
Urinary Tract
;
Ventilators, Mechanical
3.Complete denture rehabilitation of edentulous patient using mandibular suction denture: a clinical report.
Seo Ryeon LIM ; Yoon Hee SEO ; Hyun Young KIM ; Young Gyun SONG ; Joon Seok LEE
The Journal of Korean Academy of Prosthodontics 2014;52(4):346-351
Suction dentures enhance retention and support by forming negative pressure temporarily at the internal surface of denture base at times of swallowing and chewing because the areas surrounding the denture flanges are sealed by mobile mucosa. In this case, an 81-year-old male visited for new dentures. Considering the high expectations for retention and masticatory efficiency of dentures, fabricating complete dentures with suction dentures was planned. Preliminary impression was taken without applying pressure on retromolar pad area and diagnostic cast was fabricated. Afterwards, individual tray was made and final impression was taken, at the same time, gothic arch tracing was done to acquire centric relation and vertical dimension. Then, anatomic teeth were placed on maxilla and non-anatomic teeth were placed on mandible forming lingualized occlusion. Consequently, restoring a complete edentulous patient with complete dentures using mandibular suction denture resulted in recovering satisfying retention and function.
Aged, 80 and over
;
Centric Relation
;
Deglutition
;
Denture Bases
;
Denture, Complete*
;
Dentures*
;
Humans
;
Male
;
Mandible
;
Mastication
;
Maxilla
;
Mucous Membrane
;
Rehabilitation*
;
Suction*
;
Tooth
;
Vertical Dimension
4.Feasibility of Loop-Mediated Isothermal Amplification for Rapid Detection of Methicillin-Susceptible and Methicillin-Resistant Staphylococcus aureus in Tissue Samples
Sang-Gyun KIM ; Gi Won CHOI ; Won Seok CHOI ; Chae Seung LIM ; Woong Sik JANG ; Ji Hoon BAE
Clinics in Orthopedic Surgery 2022;14(3):466-473
Background:
To date, few studies have investigated the feasibility of the loop-mediated isothermal amplification (LAMP) assay for identifying pathogens in tissue samples. This study aimed to investigate the feasibility of LAMP for the rapid detection of methicillin-susceptible or methicillin-resistant Staphylococcus aureus (MSSA or MRSA) in tissue samples, using a bead-beating DNA extraction method.
Methods:
Twenty tissue samples infected with either MSSA (n = 10) or MRSA (n = 10) were obtained from patients who underwent orthopedic surgery for suspected musculoskeletal infection between December 2019 and September 2020. DNA was extracted from the infected tissue samples using the bead-beating method. A multiplex LAMP assay was conducted to identify MSSA and MRSA infections. To recognize the Staphylococcus genus, S. aureus, and methicillin resistance, 3 sets of 6 primers for the 16S ribosomal ribonucleic acid (rRNA) and the femA and mecA genes were used, respectively. The limit of detection and sensitivity (detection rate) of the LAMP assay for diagnosing MSSA and MRSA infection were analyzed.
Results:
The LAMP result was positive for samples containing 10 3 colony-forming unit (CFU)/mL for 16S rRNA, 10 4 CFU/mL for femA, and 10 5 CFU/mL formecA. The limits of detection for 16S rRNA and femA were not different between MSSA and MRSA. For the 10 MSSA-positive samples, the LAMP assay showed 100% positive reactions for 16S rRNA and femA and a 100% negative reaction for mecA. For the 10 MRSA-positive samples, the LAMP assay showed 100% positive reactions for 16S rRNA and mecA but only 90% positive reactions for femA. The sensitivity (detection rate) of the LAMP assay for identifying MSSA and MRSA in infected tissue samples was 100% and 90%, respectively.
Conclusions
The results of this study suggest that the LAMP assay performed with tissue DNA samples can be a useful diagnostic method for the rapid detection of musculoskeletal infections caused by MSSA and MRSA.
5.Four Cases of Chronic Myelogenous Leukemia in Mixed Phenotype Blast Phase at Initial Presentation Mimicking Mixed Phenotype Acute Leukemia with t(9;22).
Woojin CHOI ; Myungshin KIM ; Jihyang LIM ; Kyungja HAN ; Seok LEE ; Jae Wook LEE ; Nack Gyun CHUNG ; Yonggoo KIM
Annals of Laboratory Medicine 2014;34(1):60-63
No abstract available.
Acute Disease
;
Child
;
Chromosomes, Human, Pair 22
;
Chromosomes, Human, Pair 9
;
Female
;
Fusion Proteins, bcr-abl/genetics
;
Humans
;
In Situ Hybridization, Fluorescence
;
Leukemia/*genetics/pathology
;
Leukemia, Myelogenous, Chronic, BCR-ABL Positive/*genetics/pathology
;
Male
;
Middle Aged
;
Phenotype
;
*Translocation, Genetic
6.A Study of Mixed Phenotype Acute Leukemia Based on the 2008 World Health Organization Classification.
Joonhong PARK ; Hyojin CHAE ; Myungshin KIM ; Jihyang LIM ; Yonggoo KIM ; Jaewook LEE ; Nak Gyun CHUNG ; Bin CHO ; Hack Ki KIM ; Seok LEE ; Kyungja HAN
The Korean Journal of Laboratory Medicine 2010;30(6):525-532
BACKGROUND: We evaluated the clinical significance of revised 2008 WHO classification needed to diagnose mixed phenotype acute leukemia (MPAL). METHODS: A total of 22 MPAL patients, previously diagnosed by applying the scoring system of the European Group for Immunological Classification of Acute Leukemias (EGIL) were reclassified based on the 2008 WHO classification. RESULTS: In 2008 WHO classification, the number of monoclonal antibodies (mAbs) required for assigning more than one lineage was markedly decreased, from 26 to 11, compared with that of EGIL. Seventeen of the 22 MPAL patients were reclassified as MPAL with following details: 6 MPAL with t(9;22)(q34;q11.2); BCR-ABL1, 1 MPAL with t(v;11q23); MLL rearranged, 7 MPAL, B/Myeloid, not otherwise specified (NOS) and 3 MPAL, T/Myeloid, NOS. Five patients were excluded from MPAL in the revised classification: 4 cytoplasmic myeloperoxidase (cMPO)-negative and 1 CD19-negative. The failure of complete remission achievement and occurrence of relapse were associated with poor prognosis (P=0.0002 and P=0.009, respectively). But the presence of Philadelphia chromsome was not significantly related with patient outcome (P=0.082). One patient with cCD79a, CD20, CD38, cMPO and CD15, whose diagnosis was reclassified from MPAL to AML has survived during the study period. CONCLUSIONS: Because of decreased number of mAbs needed, it is possible that acute leukemia panel is designed to include all mAbs required to diagnose MPAL according to 2008 WHO classification. When diagnosing MPAL, it is critical to figure out positivity in either cMPO or CD19, and AML expressing more than 2 lymphoid antigens are considered as MPAL.
Acute Disease
;
Adolescent
;
Adult
;
Aged
;
Antibodies, Monoclonal/immunology
;
Child
;
Chromosomes, Human
;
Female
;
Fusion Proteins, bcr-abl/metabolism
;
Humans
;
Infant
;
Leukemia/classification/*diagnosis/mortality
;
Male
;
Middle Aged
;
Phenotype
;
Philadelphia Chromosome
;
Survival Analysis
;
World Health Organization
7.A Case of Livedoid Vasculopathy Successfully Treated with Sulodexide
Chang Hwa SONG ; Dong Seok SHIN ; Ju Wang JANG ; Tae Lim KIM ; Young Gyun KIM ; Joung Soo KIM ; Hyun-Min SEO
Annals of Dermatology 2020;32(6):508-511
We report a 29-year-old female with a one-month history of non-healing multiple erythematous to violaceous plaques with crusts over both legs and feet. Tender, scarring ulcers with surrounding erythema were present. The clinical manifestation, together with histopathologic findings of fibrinoid plugs within vascular lumens and walls, as well as red blood cell extravasation, led to diagnosis of livedoid vasculopathy.The patient experienced recurrent painful violaceous plaques with ulcerations during the two years of treatment with oral pentoxifylline 400 mg three times daily. The cutaneous lesions and symptoms dramatically improved after the treatment regimen changed to oral sulodexide (250 lipasemic units) three times daily. Sulodexide, a highly purified mixture of glycosaminoglycans including dermatan sulfate and lowmolecular weight heparin, could be an effective therapy for recalcitrant livedoid vasculopathy. Herein, we report a case of livedoid vasculopathy treated with sulodexide, which has not previously been reported.
8.Echocardiographic Plains Reflecting Total Amount of Epicardial Adipose Tissue as Risk Factor of Coronary Artery Disease.
Jung Won HWANG ; Un Jung CHOI ; Sung Gyun AHN ; Hong Seok LIM ; Soo Jin KANG ; Byoung Joo CHOI ; So Yeon CHOI ; Myeong Ho YOON ; Gyo Seung HWANG ; Seung Jea TAHK ; Joon Han SHIN ; Doo Kyung KANG
Journal of Cardiovascular Ultrasound 2008;16(1):17-22
BACKGROUND: Several studies suggested that epicardial adipose tissue (EAT) might be associated with metabolic syndrome and coronary atherosclerosis. But, little had been studied whether the thickness of EAT on echocardiography could represent the whole amount of EAT. The purpose of this study was to identify the best echocardiographic methods reflecting total amount of EAT. \METHODS: Sixty subjects (32 women, mean: 58+/-12 years-old) who underwent 64-slice multidetector computed tomography (MDCT) were consecutively enrolled. All CT scanning was performed one Brilliance CT-64-channel configuration scanner (Philips, Cleveland, USA) and axially contiguous 10-mm-thickeness sections were obtained from aortic valve to diaphragm level. EAT area was manually traced in each slice and summed up. The EAT thickness was measured as the echo-lucent or echo-dense space between epicardium and pericardium at parasternal long-axis, modified 4-chamber, and apical 4-chamber view. RESULTS: The EAT thickness at parasternal long-axis and modified 4-chamber view and the sum of EAT thickness from each views (median thickness: 1.0, 2.8, 1.1 and 5.0 mm, respectively) were all correlated with total EAT area on MDCT. Among echo parameters, the EAT thickness measured on parasternal long-axis view during diastole correlated best with total EAT area on MDCT (r=0.572, p<0.001). CONCLUSION: The echocardiographic EAT measurement might be easily accessible and less harmful method representing whole amount of EAT. The measurement of the thickness of EAT on parasternal long-axis view during diastole by echocardiography might be feasible and reliable in the studying field of EAT.
Adipose Tissue
;
Aortic Valve
;
Coronary Artery Disease
;
Coronary Vessels
;
Diaphragm
;
Diastole
;
Echocardiography
;
Female
;
Humans
;
Multidetector Computed Tomography
;
Pericardium
;
Risk Factors
9.A Successful Stenting of the Coarctation of the Distal Thoracic Aorta (Middle Aortic Syndrome) in an Adult.
Ji Hyun LIM ; Myung Ho JEONG ; Woo Seok PARK ; Jay Young RHEW ; Yong MOON ; Weon KIM ; Young Joon HONG ; Hyung Wook PARK ; Han Gyun KIM ; Ok Young PARK ; Joo Han KIM ; Young Keun AHN ; Jeong Gwan CHO ; Jong Chun PARK ; Jung Chaee KANG
Korean Circulation Journal 2004;34(4):420-424
An isolated coarctation of the lower descending thoracic aorta in adults is a very rare vascular disorder. To the best of our knowledge, the treatment of a coarctation of the descending aorta (middle aortic syndrome) in an adult, using stenting, has never been reported in Korea. A 44 year-old male, suffering from claudication of the both legs for 25 years, was admitted to our hospital. An aortogram revealed a coarctation of the distal thoracic aorta at the T11 level, with a 60 mmHg peak systolic pressure gradient across the lesion. A balloon angioplasty, followed by an 18x40 mm stent implantation, was performed successfully. The peak systolic pressure gradient decreased from 60 mmHg to 15 mmHg. The patient's symptom was relieved after stenting, with no significant adverse events observed during a three-month clinical follow-up.
Adult*
;
Angioplasty
;
Angioplasty, Balloon
;
Aorta
;
Aorta, Thoracic*
;
Blood Pressure
;
Follow-Up Studies
;
Humans
;
Korea
;
Leg
;
Male
;
Stents*
10.A Successful Stenting of the Coarctation of the Distal Thoracic Aorta (Middle Aortic Syndrome) in an Adult.
Ji Hyun LIM ; Myung Ho JEONG ; Woo Seok PARK ; Jay Young RHEW ; Yong MOON ; Weon KIM ; Young Joon HONG ; Hyung Wook PARK ; Han Gyun KIM ; Ok Young PARK ; Joo Han KIM ; Young Keun AHN ; Jeong Gwan CHO ; Jong Chun PARK ; Jung Chaee KANG
Korean Circulation Journal 2004;34(4):420-424
An isolated coarctation of the lower descending thoracic aorta in adults is a very rare vascular disorder. To the best of our knowledge, the treatment of a coarctation of the descending aorta (middle aortic syndrome) in an adult, using stenting, has never been reported in Korea. A 44 year-old male, suffering from claudication of the both legs for 25 years, was admitted to our hospital. An aortogram revealed a coarctation of the distal thoracic aorta at the T11 level, with a 60 mmHg peak systolic pressure gradient across the lesion. A balloon angioplasty, followed by an 18x40 mm stent implantation, was performed successfully. The peak systolic pressure gradient decreased from 60 mmHg to 15 mmHg. The patient's symptom was relieved after stenting, with no significant adverse events observed during a three-month clinical follow-up.
Adult*
;
Angioplasty
;
Angioplasty, Balloon
;
Aorta
;
Aorta, Thoracic*
;
Blood Pressure
;
Follow-Up Studies
;
Humans
;
Korea
;
Leg
;
Male
;
Stents*