1.Surgical Repair of Achilles Tendon Ruptures: 3 Tissue Bundle Technique
In Heon PARK ; Kee Byoung LEE ; Kyoung Won SONG ; Jin Young LEE ; Young Sun SONG
The Journal of the Korean Orthopaedic Association 1990;25(5):1406-1413
Since Pare's first report on Achilles tendon rupture in 1575, many authors have presented numerous operative and nonoperative methods for its treatment. Numerous controversies following its treatment have been concerned with the selection of its treatment method, which could minimizing the complications and enable early ambulation. We analysed 98 cases of Achilles tendon rupture in adults which were treated by direct repair, three-tissue bundle technique, or Plantaris/Peroneus augmentation repair for 3(1)/4 years from Oct. 1986 to Dec. 1989. We compared with types of cast after operation, periods for immobilization, and ankle motion of dorsiflexion at postoperative 6 weeks & long-term follow up. The results obtained from this study were as follows; l. After repair by three-tissue bundle technique, a short leg cast was applied, and then a weight bearing was started at postoperative 3 weeks. It can be demonstrated to shorten hospitalization and early ambulation when compared to other surgical techinques. 2. The patients who were repaired with the three-tissue bundle techinque averaged 12.5° dorsiflexion at the time of cast removal at postoperative 6 weeks, compared to 0°, 1° plantar flexion, and 4.4° plantar flexion with other techniques. The former group was significantly better than that of the latter group, and these differences were not present at long-term follow up. 3. On follow up period, discoverd complications were rerupture of Achilles tendon in 8 cases and mild wound infection in 3 cases, but the patients who were repaired by the three-tissne bundle technique showed no complications except mild wound infection in one case.
Achilles Tendon
;
Adult
;
Ankle
;
Early Ambulation
;
Follow-Up Studies
;
Hospitalization
;
Humans
;
Immobilization
;
Leg
;
Methods
;
Rupture
;
Weight-Bearing
;
Wound Infection
2.Genotypes of Hepatitis C Virus and Short Term Efficacy of alpha-nterferon Therapy in Patients with HCV Infection in Taegu.
Jin Su CHOI ; Heon Ju LEE ; Young Du SONG ; Soon Wook KWUN ; Jong Yul EUN ; Sun Taek CHOI
The Korean Journal of Hepatology 1999;5(1):22-32
BACKGROUND/AIMS: It has been reported that the difference in the hepatitis C virus (HCV) genotype due to genetic heterogeneity of HCV influence the clinical features, prognosis of HCV associated liver disease and response to interferon therapy. Prevalence of different genotypes of HCV may also vary between geographic areas. The aim of this study was to examine the relationship between the response to interferon alpha (IFN-a) therapy and HCV genotypes in patients with chronic HCV infection in Taegu and its environs. METHODS: One hundred seventy six patients known to be HCV antibody and HCV-NA positive were evaluated for HCV genotypes by restriction fragment length polymorphism. Among patients who had elevated ALT levels, 67 patients have been investigated for the role of the HCV genotype on disease outcome and the response of IFN-a therapy. RESULTS: Genotype 1b were found in 59.0% of patients (103/176), genotype 2a in 37.5% (66/176). The mode of transmission of HCV infection was guessed as transfusion in genotype 1b, but as parenteral infection in genotype 2a. According to their response to IFN-a therapy, 73 patients were divided into three groups, complete response, 18 (60%) of 30 patients with genotype 2a and 21 (48.8%) of 43 patients with genotype 1b: partial response, 5 (16.7%) of 30 patients with genotype 2a and 7 (16.2%) of 43 patients with genotype 1b: no response, 7 (23.3%) of 30 patients with genotype 2a and 15 (34.9%) of 43 patients with genotype 1b. Good response to IFN-a therapy was observed among patients group showing normal platelet count in patients with genotype 1b and normal GGT in patients with genotype 2a. CONCLUSIONS: The most frequently identified genotype was genotype 1b in Taegu and its environs, followed by genotype 2a. The HCV genotype was not a reliable predictor of response to IFN-a therapy. When a standardized regimen of IFN-a was administered, pretreatment serum platelet counts and GGT level seem to be useful predictor of IFN-a therapy in HCV infection. Further investigations are required in order to establish a correlation between viral factors and therapeutic responses.
Daegu*
;
Genetic Heterogeneity
;
Genotype*
;
Hepacivirus*
;
Hepatitis C*
;
Hepatitis*
;
Humans
;
Interferon-alpha
;
Interferons
;
Liver Diseases
;
Platelet Count
;
Polymorphism, Restriction Fragment Length
;
Prevalence
;
Prognosis
3.Clinical Evaluation of the Anesthetie Methods for the Surgery of the Upper Extremity.
Heon Man SEO ; Deok Hee KIM ; Jun Rye LEE ; He Sun SONG
Korean Journal of Anesthesiology 1986;19(2):141-148
473 patients who underwent orthopedic surgery of the upper extremities from July 1978 to August 1983 were studied and the results are as follows. 1) Among 473 patients 294 patients given general anesthesis. Axillary brachial piexus block(141 cases), intraveonus regional anesthesia(10 cases), interscalene block(2 cases) and continuous brachial plexus block were given to the rest of the patients. 2) 267 patients were male and 106 patients were female. Age distribution was from 2 to 74 years. 3) Physical status of the patients was A.S.A. (American Society of Anesthesiologists) class 2(52.5%), class 1(43.4%), class 3(4.4%) in the order. 47.2% of the patients underwent emergency operation. 4) There was a tendency that regional anesthesis has been increasing year by year. 5) The type of operations were open reduction(160cases), tendon repair(112cases), and surgery for neuropathy(65 cases). 6) The operations for upper arm, elbow, and forearm were performed mostly under general anesthesia, while regional anesthesia prevailled for hand, wrist, and digits operations. 7) Brachial plexus block was considered as a method of choice for upper extremity surgery, especially for emergency surgical procedures in patients with significant medical problems. 8) A new method was tried in which a flexible disaposable intravenous catheter was introduced into the neurovascular sheath in the axilla and used for injection of local anesthetic solutions to block the axillary brachial plexus. The catheter method constitutes an interesting alternative to the conventional needle techniques and offers a continuous axillary block and a method for postoperative pain relief.
Age Distribution
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Anesthesia, Conduction
;
Anesthesia, General
;
Arm
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Axilla
;
Brachial Plexus
;
Catheters
;
Elbow
;
Emergencies
;
Female
;
Forearm
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Hand
;
Humans
;
Male
;
Needles
;
Orthopedics
;
Pain, Postoperative
;
Tendons
;
Upper Extremity*
;
Wrist
4.A Case of Inflammatory Myofibroblastic Tumor at the Upper Medial Canthal Region.
Seung Han SONG ; Nak Heon KANG ; Kwang Sun SUH
Journal of the Korean Society of Plastic and Reconstructive Surgeons 2007;34(3):392-394
PURPOSE: Inflammatory myofibroblastic tumor(IMT) is characterized by clonal proliferation of myofibroblastic spindle cells and accompanied by lymphoplasmacytic infiltration. IMT is an uncommon lesion reported to arise in various organs, and is believed to be a reactive inflammatory condition. IMT forms a spectrum of lesions ranging from benign, infection-related lesions to low- grade malignancies, capable of local recurrences and rarely distant metastasis. IMT occurs mostly in the lung, but rarely in the craniofacial region. METHODS: A 28-year-old male with painless swelling in the medial canthal area was referred to our department for the last 2 months. A 2cm sized mass was palpated. He was treated with complete local excision. RESULTS: In the study by computerized tomography, a 2.0x0.8x1.0cm mass was found in the subcutaneous tissue layer. Grossly, the mass was well-circumscribed, smooth-surfaced, flesh colored, and hard. The tumor was well demarcated from the other tissues. Histopathologic examinations showed bland spindle- shaped cells loosely arranged with scattered lymphoid cells. Immunohistochemical examinations demonstrated a positive reactivity for alpha-SMA and a negative reactivity for desmin and CD34. No recurrence was noted 12 months after surgery. CONCLUSION: Emphasis is given to complete resection of the tumor for both diagnostic and therapeutic purposes. Further evaluation to find other lesions in different sites should be considered. Continued follow-up is recommended.
Adult
;
Desmin
;
Follow-Up Studies
;
Humans
;
Lung
;
Lymphocytes
;
Male
;
Myofibroblasts*
;
Neoplasm Metastasis
;
Recurrence
;
Subcutaneous Tissue
5.Renal failure in Behcet disease.
Chul Woo YANG ; Do Jun MIN ; So Hyang SONG ; Seok Heon KIM ; Je Ho HAN ; Suk Young KIM ; Kee Byung BANG ; Sang Hyun CHO ; Kwang Sun SUH
Korean Journal of Medicine 1993;45(2):261-264
No abstract available.
Behcet Syndrome*
;
Renal Insufficiency*
6.Incidence and risk factors for tenofovir-associated nephrotoxicity among human immunodeficiency virus-infected patients in Korea
Jeong Eun LEE ; Shinwon LEE ; Sang Heon SONG ; Ihm Soo KWAK ; Sun Hee LEE
The Korean Journal of Internal Medicine 2019;34(2):409-417
BACKGROUND/AIMS:
Little is known about tenofovir disoproxil fumarate (TDF)-induced nephrotoxicity in human immunodeficiency virus (HIV)-infected patients in Korea. The objective of this study was to evaluate the incidence and risk factors of TDF-associated nephrotoxicity among HIV-infected patients in Korea.
METHODS:
A single-center retrospective cohort study was conducted on HIV-infected patients in Korea. We included patients who had started TDF or abacavir (ABC)-based antiretroviral therapy (ART) between October 2006 and December 2014. Estimated glomerular filtration rate (eGFR) was estimated using the Chronic Kidney Disease-Epidemiology Collaboration equation. Renal dysfunction was defined as > 25% decrease of baseline eGFR. A propensity matched case-control study was conducted to compare renal dysfunction rates between the two groups. The risk factors of nephrotoxicity were analyzed by Cox regression analysis.
RESULTS:
A total of 210 HIV-infected patients were included in the study, of which, 108 were TDF-based ART group and 102 were ABC-based ART group. Renal dysfunction occurred in 16 patients (14.8%) in the TDF group and 11 (10.8%) in the ABC group. Incidence of renal dysfunction of TDF and ABC group was 9.66 per 100 person-years (PYs) and 5.14 per 100 PYs, respectively (p = 0.176). In propensity-score-matched analysis, renal dysfunction rates were TDF 13.3% versus ABC 13.3% (p > 0.999). In multivariable analysis, Centers for Disease Control and Prevention clinical category C was a significant risk factor for renal dysfunction.
CONCLUSIONS
Approximately, 13% of HIV-infected patients treated with TDF had renal dysfunction. Advanced stage of HIV infection was a significant risk factor for renal dysfunction.
7.Prevalence of Denervation Potentials from Foot Intrinsic and Lumbosacral Paraspinal Muscles in Asymptomatic Persons in Korea.
Ju Sun OH ; Be Na LEE ; Jeong Hoon LIM ; Dae Heon SONG ; Won Ihl RHEE
Journal of the Korean Academy of Rehabilitation Medicine 2008;32(1):80-83
OBJECTIVE: To determine the prevalence of denervation potentials from the foot intrinsic and the lumbosacral paraspinal muscles in asymptomatic persons in Korea. METHOD: Nerve conduction studies were performed in 80 asymptomatic persons at sural, peroneal and tibial nerves. We excluded 15 persons with abnormal values of nerve conduction studies. In our study, 36 males and 29 females participated and the mean age of subjects was 52.9 years. We checked denervation potentials from unilateral lumbosacral paraspinal (L4-S1) and foot intrinsic muscles (abductor hallucis and extensor digitorum brevis muscle) by needle EMG. RESULTS: The prevalence of denervation potentials from foot intrinsic muscles was 3% (2 cases out of 65 asymptomatic subjects). Denervation potentials consisting of a positive sharp wave were seen from the abductor hallucis muscle. No subjects showed any denervation potentials from the lumbosacral paraspinal muscles in our study. Abnormal X-ray findings were seen in subjects who had denervation potentials from the foot intrinsic muscles. CONCLUSION: The prevalence of denervation potentials from the foot intrinsic and the lumbosacral paraspinal muscles in asymptomatic person was not as high as previously reported
Denervation
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Female
;
Foot
;
Humans
;
Korea
;
Male
;
Muscles
;
Needles
;
Neural Conduction
;
Organic Chemicals
;
Prevalence
;
Tibial Nerve
8.Geographic Distribution of Urologists in Korea, 2007 to 2012.
Yun Seob SONG ; Sung Ryul SHIM ; Insoo JUNG ; Hwa Yeon SUN ; Soo Hyun SONG ; Soon Sun KWON ; Young Myoung KO ; Jae Heon KIM
Journal of Korean Medical Science 2015;30(11):1638-1645
The adequacy of the urologist work force in Korea has never been investigated. This study investigated the geographic distribution of urologists in Korea. County level data from the National Health Insurance Service and National Statistical Office was analyzed in this ecological study. Urologist density was defined by the number of urologists per 100,000 individuals. National patterns of urologist density were mapped graphically at the county level using GIS software. To control the time sequence, regression analysis with fitted line plot was conducted. The difference of distribution of urologist density was analyzed by ANCOVA. Urologists density showed an uneven distribution according to county characteristics (metropolitan cities vs. nonmetropolitan cities vs. rural areas; mean square=102.329, P<0.001) and also according to year (mean square=9.747, P=0.048). Regression analysis between metropolitan and non-metropolitan cities showed significant difference in the change of urologists per year (P=0.019). Metropolitan cities vs. rural areas and non-metropolitan cities vs. rural areas showed no differences. Among the factors, the presence of training hospitals was the affecting factor for the uneven distribution of urologist density (P<0.001).Uneven distribution of urologists in Korea likely originated from the relatively low urologist density in rural areas. However, considering the time sequencing data from 2007 to 2012, there was a difference between the increase of urologist density in metropolitan and non-metropolitan cities.
Cities/statistics & numerical data
;
Health Services Accessibility/*statistics & numerical data/trends
;
Korea/epidemiology
;
Physicians/*supply & distribution/trends
;
Republic of Korea/epidemiology
;
Rural Health Services/*manpower/statistics & numerical data/trends
;
Rural Population/statistics & numerical data/trends
;
Urban Health Services/*manpower/statistics & numerical data/trends
;
Urology/*manpower/*statistics & numerical data/trends
9.A Case of IgA Nephropathy with a Membranoproliferative Glomerulonephritis-like Pattern Presenting as Massive Ascites in a Patient with Alcoholic Liver Disease.
Sun Ok SONG ; Seung Won LEE ; Hee Woo LEE ; Beo Deul KANG ; Shi Heon DONG ; Ja Sung CHOI ; Ji Sun SONG ; Soo Young YOON ; Sang Choel LEE
Korean Journal of Nephrology 2009;28(2):152-156
IgA nephropathy can occur commonly in alcoholic liver cirrhosis and is the most common form of secondary IgA nephropathy. Defective clearance of IgA-containing complexes by liver is thought to contribute to the development of IgA nephropathy in alcoholic cirrhosis. Although IgA deposition is found up to 64% in autopsy cases of alcoholic cirrhosis, most patients have mild clinical symptoms, and nephrotic range proteinuria occurs rarely in these patients. We report a case of IgA nephropathy with a membranoproliferative pattern that is detected with unusual massive ascites in a patient with alcoholic liver disease. A 60-year-old male patient was referred to our hospital for evaluation and management of abdominal distension. Abdominal ultrasonographic findings were compatible with diffuse liver cirrhosis with splenomegaly and large amount of ascites. He had nephrotic range proteinuria, azotemia, hyperlipidemia, and hematuria in dipstick. Renal biopsy performed under the impression of acute nephritis revealed mesangial and endocapillary proliferative glomerulonephritis with double contour of capillary loop. Immunofluorescence findings showed mesangial IgA and C3 deposit, compatible with IgA nephropathy. He was treated with high dose steroid, and steroid was tapered during 2 months. Steroid treatment induced complete remission state, and ascites was resolved.
Alcoholics
;
Ascites
;
Autopsy
;
Azotemia
;
Biopsy
;
Capillaries
;
Fluorescent Antibody Technique
;
Glomerulonephritis
;
Glomerulonephritis, IGA
;
Glomerulonephritis, Membranoproliferative
;
Hematuria
;
Humans
;
Hyperlipidemias
;
Immunoglobulin A
;
Liver
;
Liver Cirrhosis
;
Liver Cirrhosis, Alcoholic
;
Liver Diseases, Alcoholic
;
Male
;
Middle Aged
;
Nephritis
;
Proteinuria
;
Splenomegaly
10.The Effects of Short-Term and Very Short-Term Particulate Matter Exposure on Asthma-Related Hospital Visits: National Health Insurance Data
Dae Jin SONG ; Sun Hee CHOI ; Woo Jung SONG ; Kyung Hee PARK ; Young Koo JEE ; Sang Heon CHO ; Dae Hyun LIM
Yonsei Medical Journal 2019;60(10):952-959
PURPOSE: The purpose of this study was to investigate the effects of short-term and very short-term exposure to particulate matter (PM) exceeding the daily average environmental standards for Korea (≤100 µg/m³ for PM₁₀ and ≤50 µg/m³ for PM(2.5)) on on asthma-related hospital visits. MATERIALS AND METHODS: This was a population-based, case-crossover study using National Health Insurance and air pollution data between January 1, 2014 and December 31, 2016. The event day was defined as a day when PM exceeded the daily average environmental standard (short-term exposure) or daily average environmental standard for 2 hours (very short-term exposure). The control day was defined as the same day of the week at 1 week prior to the event day. RESULTS: Compared with control days, asthma-related hospital visits on the 24-hr event days and 2-hr event days increased by 4.10% and 3.45% for PM₁₀ and 5.66% and 3.74% for PM(2.5), respectively. Asthma-related hospital visits increased from the 24-hr event day for PM₁₀ to 4 days after the event day, peaking on the third day after the event day (1.26, 95% confidence interval, 1.22–1.30). Hospitalizations also increased on the third day after the event. While there was a difference in magnitude, PM(2.5) exposure showed similar trends to PM₁₀ exposure. CONCLUSION: We found a significant association between short-term and very short-term PM exposure exceeding the current daily average environmental standards of Korea and asthma-related hospital visits. These results are expected to aid in establishing appropriate environmental standards and relevant policies for PM.
Air Pollution
;
Asthma
;
Hospitalization
;
Humans
;
Korea
;
National Health Programs
;
Outpatients
;
Particulate Matter