1.A Case of Marjolin's Ulcer.
Cheong Hee HAHM ; Yun Hi KIM ; Hong Il KOOK
Korean Journal of Dermatology 1973;11(2):73-76
Majolin's ulcer is a carcinomatous ulcer from degenerating burn scars. This patient is a 44 year-old man who has been suffering from pain and itching sensation on Rt. wrist of burn scars. Symptom has been developed since 18 months ago. Skin lesion is a well defined, slight brownish colored, scaly verrucous surfared plaque with reddish ringlike border and oozing tendency in small part. On physical examination, he is in within normal limit excepet burn scar on Rt. upper extremity. He was received burn with gasolin at the age of seven. Biopsy on the skin lesion revealed well differentiated squamous cell carcinoma appearance. Diagnosis was confirmed by the history and histopathological finding. Literature was briefly reviewed.
Adult
;
Biopsy
;
Burns
;
Carcinoma, Squamous Cell
;
Cicatrix
;
Diagnosis
;
Humans
;
Physical Examination
;
Pruritus
;
Sensation
;
Skin
;
Ulcer*
;
Upper Extremity
;
Wrist
2.Process of Overcoming Turnover Intention in Career Nurses.
Journal of Korean Academy of Nursing Administration 2013;19(3):414-426
PURPOSE: The purpose of this study was to identify the process of overcoming the intention toward turnover experienced by career nurses. METHODS: Data were collected from 10 career nurses though in-depth interviews about their experiences. The main question was "How do you describe your experience of the process of overcoming intention to turnover as a career nurse?" Qualitative data from field and transcribed notes were analyzed using Strauss & Corbin's grounded theory methodology. RESULTS: From the participants' statement, 127 concepts, 34 subcategories and 13 categories were extracted through the open coding process. The core category was discovered to be 'back to the original place'. Phenomenon was identified as 'reached the threshold that cannot be withstood' and this series of process was categorized as having four stages: 'conflict', 'meditation', 'discovery' and 'conquest'. There were three types of overcoming turnover intention in career nurses, 'adjustment', 'compromise', 'self-led'. CONCLUSION: The results of this study produced useful information about the needs of career nurses during the process of overcoming turnover intention based on their stage and overcoming types of turnover intension. Ultimately this study may help decrease the turnover intention of career nurses.
Clinical Coding
;
Intention
3.The Treatment of Non-union of Humeral Shaft
Key Yong KIM ; Duk Yun CHO ; Sang Yo HAN ; Hee Young CHEONG
The Journal of the Korean Orthopaedic Association 1982;17(5):869-878
The non-surgical treatment for the fresh humeral shaft fracture would appeared to be not sufficient in respect of immobilization and maintenance of the contact surface of the fracture ends, which have had stimulated surgeons to perform internal fixation. This might be one of the reasons to produce non-union of humeral shaft fracture, supplemented by increasing incidence of fractures due to car and machinary accident. Authors have experienced 18 cases of non-union of humeral shaft fracture and accomplished solid union in all cases by osteosynthesis accompanied by autogenous bone graft. In detail: 1. Non-union was prevalent in the agr group of 20 to 40 and mostly in male. Site of non-union was found mostly at the lower 2/3. 2. The cause of the fracture was mainly due to the car and machinary accident. Initial treatments were surgical in 14 out of 18 cases, and 12 cases of this surgically treated group were treated within 2 days after the injury. 3. On retrospective analysis of medical records and X-ray films, probable cause of the non-union were supposed to be too early performed inadequate internal fixation and post-operative infection in the operated cases, whereas distraction of fracture ends due to poor external fixation and infection in the cases treated conservatively. 4. 16 cases of established non-union were treated by authors with rigid internal fixation and additional bone graft, and 1 case with bone graft only. 5. Authors have utilized shoulder spica or long arm cast post-operatively for 1 to 4 months. 6. Union was obtained in all cases. Developed transient radial nerve palsy in 4 cases; and neighbouring joints contracture in 2 cases, which required considerable time of physical therapy.
Arm
;
Contracture
;
Humans
;
Immobilization
;
Incidence
;
Joints
;
Male
;
Medical Records
;
Paralysis
;
Radial Nerve
;
Retrospective Studies
;
Shoulder
;
Surgeons
;
Transplants
;
X-Ray Film
4.Heart Disease Screening for Primary School Children.
Chang Yee HONG ; In Sil LEE ; Hee Ju KIM ; Jung Hwan CHOI ; Hae Il CHEONG ; Jung Yun CHOI ; Yong Soo YUN
Journal of the Korean Pediatric Society 1985;28(3):258-262
No abstract available.
Child*
;
Heart Diseases*
;
Heart*
;
Humans
;
Mass Screening*
5.The Effects of Artificial Dead Space on the Pulmonary Ventilation of Intubated Children with Mechanical Ventilation.
Cheong Suk YOO ; Sun Hee YUN ; Gei Hee SONG ; Yul Ha MIN
Journal of Korean Academy of Nursing 2001;31(1):31-42
This study was done to evaluate the effect reducing artificial dead space on intubated children. Data were collected from July 1st, 1998 to August 31st, 1999. The subjects were selected from a pediatric intensive care unit of 'S' hospital and intubated with 3.5 mm or 4.5 mm endotracheal tube after open heart surgery. They were composed of 34 patients : 17 patients were assigned to the experimental group and the rest of them were placed in the control group. The artificial airway volume was minimized in the experimental group, and the control group maintained the artificial airway volume. ETCO2, PaCO2, SPO2 were measured as indicators of pulmonary ventilation. The tools of this study were GEM-Premier and Space-Lab patient monitors. The data were analyzed using the SPSS/PC+ program. The Chi2 -test was used to find general characteristics. The t-test was used to test the homogenety of the pulmonary ventilation status and mechanical ventilation setting before intervention between the two groups. Also, the paired t-test was used to examine the hypothesis. The results can be summerized as : 1. CO2 can be expelled effectively from the body in case artificial dead space was decreased. 2. As the artificial dead space was reduced, the difference between ETCO2 and PaCO2 was decreased, in other words pulmonary ventilation was improved. 3. If the artificial dead space occupied above 15 percent of tidal volume, the effect of CO2 was retention revealed in the body. 4. If the artificial dead space occupied below 1.5 percent of tidal volume, there was no dead space effect. Based on the results, the following is suggested to be applied practically : 1. A kind of the ventilator circuit acting artificial dead space should be removed from the intubated children with mechanical ventilaion. 2. The endotracheal tube should not be cut because extra-body space of the endotracheal tube did not have an effect on the dead space of the intubated children. Since the researcher could not cover this aspect in the study, they recommend the following. 1. The study should be extended to the other pulmonary disease patients for the effect of improving pulmonary ventilation. 2. Also, further studying with a more narrow interval in the extra-body space of the artificial airway will be able to explain the point of artificial dead space with proper ventilation.
Child*
;
Humans
;
Intensive Care Units
;
Lung Diseases
;
Pulmonary Ventilation*
;
Respiration, Artificial*
;
Thoracic Surgery
;
Tidal Volume
;
Ventilation
;
Ventilators, Mechanical
6.Investigation of osseointegration according to the healing time after having iatrogenic mobility of implant fixtures.
Yun Jin HWANG ; Jin Hyun CHO ; Cheong Hee LEE
The Journal of Korean Academy of Prosthodontics 2010;48(4):308-314
PURPOSE: The purpose of this study is to analyze the change in re-osseointegration over time and bone reaction at the interface between implant fixture and the surface of the bone, after destroying re-osseointegration by distorting the bone-implant interface artificially. MATERIAL AND METHODS: Experimental implant fixtures (cp titanium, small ef, Cyrillic3.75 mm x 4 mm) which didn't have surface treatment were produced. Two or three fixtures were implanted on both tibias of twelve female rabbits (New Zealand white, more than 3.5 kg). Then after six weeks, removal torque (RT) was measured and the results were recorded as the first measurement values. The fixtures were submerged again to get reosseointegration between the bone and fixture. To identify the change in re-osseointegration of submerged fixtures over time, six groups had the healing time for four days (group I), one week (group II), two weeks (group III), three weeks (group IV), four weeks (group V) and five weeks (group VI), and then the secondary removal torque was measured for each group. To identify the bone formation under fluorescent light, tetracycline (15 mg/kg, IM) were treated on the rabbits of each group. After the second measurement, the rabbits were sacrificed, and 16 slides were made, two or three for each group. The slides were observed under the fluorescent light with light microscope. To find out the change in the secondary removal torque over the primary removal torque in progress of time, the averages of the increase rate of the primary and secondary torque removal force were calculated. Then, to find out if there were any critical differences between the primary removal torque and the secondary removal torque in each group and among the groups, the results were analyzed statistically by paired t-test, one-way ANOVA, and Duncan's Multiple Range Test. RESULTS: In group I and II, secondary removal torque decreased, especially in group I. In group III, IV, V, and VI, secondary removal torque increased critically. Comparing the differences among the groups, the critical difference was shown between group I, II and group III, IV, V, VI. Mineralization at the interface between the bone and implant fixture was identified from the first week, and bone formation was shown more clearly from the second week. CONCLUSION: If the implant fixture remains unforced for a certain period of time after the fixture has had iatrogenic mobility, re-osseointegration occurs at the surface of the fixture, and for tibias of rabbits, higher re-osseointegration was obtained within two weeks.
Female
;
Humans
;
Implants, Experimental
;
Light
;
Osseointegration
;
Osteogenesis
;
Rabbits
;
Tetracycline
;
Tibia
;
Titanium
;
Torque
7.Effects of Lactated Ringer's Solution on Acid-Base and Serum Electrolyte Levels during Liver Surgery in Cirrhosis Patients.
Hee Koo YOO ; Mi Ae CHEONG ; Jong Won LEE ; Yun Jeong CHOI
Korean Journal of Anesthesiology 2004;47(3):361-367
BACKGROUND: Changes in acid-base balance and serum electrolytes by infusion of lactated Ringer's solution in liver cirrhosis patienst during liver surgery are poorly characterized. In this study, we evaluated the effects of infusing large amount of lactated Ringer's solution on acid-base and serum electrolytes during liver surgery in cirrhosis patients. METHODS: Thirty-two patients were divided into two groups. Group I (n = 21) was made up of patients who had received liver lobectomy without cirrhrosis. Group II (n = 11) was made up of patients who had received liver lobectomy with cirrhosis above a moderate level. Arterial blood gas and serum electrolyte levels were checked 4 times during the study in each patient: just after the operation start, after infusing 3,000 ml and 6,000 ml of lactated Ringer's solution during operation, and 30 minutes after arrival at the postanesthesia care unit. RESULTS: pH and base excess decreased according to the amount of lactated Ringer's solution used in both groups and these results were significant. Serum electrolyte levels were not changed and only Ca2+ levels were significantly different in the two groups. The cause of changing of Ca2+ levels found out by intravenous infusion of Ca2+ solution. CONCLUSIONS: In liver surgery patients with or without liver cirrhosis decreased pH and base excess in serum by increased amount of used lactated Ringers solution during liver surgery but in serum electrolytes and others acid-base parameters, CVP, changes on there were not any statistical significant. When a large amount of LR solution is used in liver surgery, we recommend regular arterial blood gas analyses for acid-base balance and an infusing speed of 20 ml/kg/h.
Acid-Base Equilibrium
;
Blood Gas Analysis
;
Electrolytes
;
Fibrosis*
;
Humans
;
Hydrogen-Ion Concentration
;
Infusions, Intravenous
;
Liver Cirrhosis
;
Liver*
8.COVID-19 Vaccination in Korea: Past, Present, and the Way Forward
Eliel NHAM ; Joon Young SONG ; Ji Yun NOH ; Hee Jin CHEONG ; Woo Joo KIM
Journal of Korean Medical Science 2022;37(47):e351-
Since its first emergence in late 2019, severe acute respiratory syndrome coronavirus-2 has claimed more than 6.5 million lives worldwide and continues to infect hundreds of thousands of people daily. To combat this once-in-a-century disaster, several vaccines have been developed at unprecedented speeds. Novel vaccine platforms (messenger ribonucleic acid vaccines and adenoviral vector vaccines) have played a major role in the current pandemic. In Korea, six vaccines, including a domestically developed recombinant vaccine, have been approved. As in other countries, vaccines have been proven to be safe and highly effective in Korea. However, rare serious adverse events and breakthrough infections have undermined public trust in the vaccines, even while the benefits of vaccination far outweigh the risks. The rise of the omicron variant and the subsequent increase in excess mortality demonstrated that while vaccines are a key component of the pandemic response, it alone can fail without non-pharmaceutical interventions like masking and social distancing. The pandemic of coronavirus disease has revealed both the strengths and weaknesses of our healthcare system and pandemic preparedness. When the next pandemic arrives, improved risk communication and vaccine development should be prioritized. To enable timely vaccine development, it is essential to make strategic and sufficient investments in vaccine research and development.
9.Postinfectious Glomerulonephritis Associated with Pneumococcus and Influenza A Virus Infection in a Child: a Case Report and Literature Review
Homin HUH ; Joon Kee LEE ; Ki Wook YUN ; Hee Gyung KANG ; Hae Il CHEONG
Pediatric Infection & Vaccine 2019;26(2):118-123
Postinfectious glomerulonephritis (PIGN) is most commonly caused by Streptococcus pyogenes in children, but PIGN associated with other pathogens has been described in the literature. A previously healthy 6-year-old boy was admitted with complaints of cough, fever, and right chest pain. The patient was diagnosed with pneumococcal bacteremia and influenza A virus infection and treated with antibiotics and antiviral agent. During hospitalization, generalized edema, hematuria, proteinuria, and increased blood pressure were observed; therefore, we started administering diuretics. The boy was discharged with gross hematuria, and even microscopic hematuria disappeared 14 weeks after discharge. We report a case of PIGN associated with bacteremic pneumococcal pneumonia and influenza A virus infection in children. A urine test and blood pressure measurement should be considered for the early detection of PIGN in children with pneumococcal or influenza A virus infection when they present with nephritic symptoms.
Anti-Bacterial Agents
;
Bacteremia
;
Blood Pressure
;
Chest Pain
;
Child
;
Cough
;
Diuretics
;
Edema
;
Fever
;
Glomerulonephritis
;
Hematuria
;
Hospitalization
;
Humans
;
Influenza A virus
;
Influenza, Human
;
Male
;
Pneumonia
;
Pneumonia, Pneumococcal
;
Proteinuria
;
Streptococcus pneumoniae
;
Streptococcus pyogenes
10.How lessons learned from the 2015 Middle East respiratory syndrome outbreak affected the response to coronavirus disease 2019 in the Republic of Korea
Tae Un YANG ; Ji Yun NOH ; Joon-Young SONG ; Hee Jin CHEONG ; Woo Joo KIM
The Korean Journal of Internal Medicine 2021;36(2):271-285
The Republic of Korea (ROK) experienced a public health crisis due to Middle East respiratory syndrome (MERS) in 2015 and is currently going through the coronavirus disease 2019 (COVID-19) pandemic. Lessons learned from the disastrous MERS outbreak were ref lected in the preparedness system, and the readiness capabilities that were subsequently developed enabled the country to successfully flatten the epidemic curve of COVID-19 in late February and March 2020. In this review, we summarize and compare the epidemiology and response of the ROK to the 2015 MERS outbreak and the COVID-19 epidemic in early 2020. We emphasize that, because further COVID-19 waves seem inevitable, it is urgent to develop comprehensive preparedness and response plans for the worst-case scenarios of the COVID-19 pandemic. Simultaneously strengthening healthcare capacity to endure the peak demand and implementing smart strategies to sustain social distancing and public hygiene are necessary until safe and effective therapeutics and vaccines against COVID-19 are available.