1.Risk of mortality and cause of death according to kidney function parameters: a nationwide observational study in Korea
Sehyun JUNG ; Soojin LEE ; Yaerim KIM ; Semin CHO ; Hyuk HUH ; Yong Chul KIM ; Seung Seok HAN ; Hajeong LEE ; Jung Pyo LEE ; Kwon Wook JOO ; Chun Soo LIM ; Yon Su KIM ; Dong Ki KIM ; Kyungdo HAN ; Sehoon PARK
Kidney Research and Clinical Practice 2024;43(2):202-215
Further study is warranted to determine the association between estimated glomerular filtration rate (eGFR) or albuminuria and the risk of death from diverse causes. Methods: We screened >10 million general health screening examinees who received health examinations conducted in 2009 using the claims database of Korea. After the exclusion of those previously diagnosed with renal failure and those with missing data, 9,917,838 individuals with available baseline kidney function measurements were included. The primary outcome was mortality and cause-specific death between 2009 and 2019 identified through death certificates based on the diagnostic codes of International Classification of Diseases, 10th revision. Multivariable Cox regression analysis adjusted for various clinicodemographic and social characteristics was used to assess mortality risk. Results: The hazard ratio of death was significantly high in both the eGFR <60 mL/min/1.73 m2 and in the eGFR ≥120 mL/ min/1.73 m2 groups in univariable and multivariable regression analyses when compared to those within the reference range (eGFR of 90–120 mL/min/1.73 m2). The results were similar for death by cardiovascular, cancer, infection, endocrine, respiratory, and digestive causes. We also found that albuminuria was associated with higher risk of death regardless of eGFR range, and those in the higher categories of dipstick albuminuria showed higher risk. Conclusion: We reconfirmed the significant association between eGFR, albuminuria, and mortality. Healthcare providers should keep in mind that albuminuria and decreased eGFR as well as kidney hyperfiltration are independent predictors of mortality.
2.Ambient carbon monoxide correlates with mortality risk of hemodialysis patients: comparing results of controlselection in the case-crossover designs
Hyuk HUH ; Ejin KIM ; Una Amelia YOON ; Mun Jeong CHOI ; Hyewon LEE ; Soie KWON ; Clara Tammy KIM ; Dong Ki KIM ; Yon Su KIM ; Chun Soo LIM ; Jung Pyo LEE ; Ho KIM ; Yong Chul KIM
Kidney Research and Clinical Practice 2022;41(5):601-610
Growing evidence suggests that environmental air pollution adversely affects kidney health. To date, the association between carbon monoxide (CO) and mortality in patients with end-stage renal disease (ESRD) has not been examined. Methods: Among 134,478 dialysis patients in the Korean ESRD cohort between 2001 and 2014, 8,130 deceased hemodialysis patients were enrolled, and data were analyzed using bidirectional, unidirectional, and time-stratified case-crossover design. We examined the association between short-term CO concentration and mortality in patients with ESRD. We used a two-pollutant model, adjusted for temperature as a climate factor and for nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and particulate matter less than 10 μm in diameter as air pollution variables other than CO. Results: Characteristics of the study population included age (66.2 ± 12.1 years), sex (male, 59.1%; female, 40.9%), and comorbidities (diabetes, 55.6%; hypertension, 14.4%). Concentration of CO was significantly associated with all-cause mortality in the three case-crossover designs using the two-pollutant model adjusted for SO2. Patients with diabetes or age older than 75 years had a higher risk of mortality than patients without diabetes or those younger than 75 years. Conclusion: Findings presented here suggest that higher CO concentration is correlated with increased all-cause mortality in hemodialysis patients, especially in older high-risk patients.
3.Arthroscopic Treatment of Septic Arthritis of the Shoulder: Technical Pearls to Reduce the Rate of Reoperation
Ji Eun KWON ; Ji Soon PARK ; Hae Bong PARK ; Kyung Pyo NAM ; Hyuk Jun SEO ; Woo KIM ; Ye Hyun LEE ; Young Dae JEON ; Joo Han OH
Clinics in Shoulder and Elbow 2020;23(1):3-10
Background:
The aim of this study was to evaluate clinical experience with arthroscopic debridement for septic arthritis of the shoulder joint and to report on our patient outcomes.
Methods:
The retrospective analysis included 36 shoulders (male:female, 15:21), contributed by 35 patients (mean age, 63.8 years) treated by arthroscopy for septic arthritis of the shoulder between November 2003 and February 2016. The mean follow-up period was 14.3 months (range, 12–33 months). An additional posterolateral portal and a 70º arthroscope was used to access the posteroinferior glenohumeral (GH) joint and posteroinferior subacromial (SA) space, respectively. Irrigation was performed with a large volume of fluid (25.1±8.1 L). Multiple suction drains (average, 3.3 drains) were inserted into the GH joint and SA space and removed 8.9±4.3 days after surgery. Intravenous antibiotics were administered for 3.9±1.8 weeks after surgery, followed by oral antibiotic treatment for another 3.6±1.9 weeks.
Results:
Among the 36 shoulders, reoperation was required in two cases (5.6%). The average range of motion achieved was 150.0º for forward flexion and T9 for internal rotation. The mean simple shoulder test score was 7.9±3.6 points. Nineteen shoulders (52.8%) had acupuncture or injection history prior to the infection. Pathogens were identified in 15 shoulders, with Staphylococcus aureus being the most commonly identified pathogen (10/15). Both the GH joint and the SA space were involved in 21 shoulders, while 14 cases involved only the GH joint and one case involved only the SA space.
Conclusions
Complete debridement using an additional posterolateral portal and 70º arthroscope, a large volume of irrigation with >20 L of saline, and multiple suction drains may reduce the reoperation rate.
4.Characterization of Two Novel mAbs Recognizing Different Epitopes on CD43.
Soseul KIM ; Jeong Won HONG ; Woon Dong CHO ; Yoo Ri MOON ; Sang Soon YOON ; Min Young KIM ; Kwon Pyo HONG ; Yong Moon LEE ; Jae Hyuk YI ; Young Jun HAM ; Hyung Chul RAH ; Seung Ryul KIM ; Hyung Geun SONG
Immune Network 2014;14(3):164-170
JL1, a specific epitope on CD43, is a potential biomarker for the diagnosis of acute leukemia. Although qualitative assays for detecting leukemia-specific CD43 exist, there is a need to develop quantitative assays for the same. Here, we developed two novel monoclonal antibodies (mAbs), 2C8 and 8E10, recognizing different epitopes on CD43. These clones are capable of pairing with YG5, another mAb against JL1 epitope, because they were selectively obtained using sandwich ELISA. Antigens recognized by 2C8 and 8E10 were confirmed as CD43 by western blotting using the CD43-hFC recombinant protein. When expression on various leukemic cell lines was investigated, 2C8 and 8E10 displayed a disparity in the distribution of the epitope. Enzyme assays revealed that these mAbs recognized a sialic acid-dependent epitope on CD43. Using normal thymus and lymph node paraffin-embedded tissues, we confirmed a difference in the epitopes recognized by the two mAbs that was predicted based on the maturity of the cells in the tissue. In summary, we developed and characterized two mAbs, 2C8 and 8E10, which can be used with YG5 in a sandwich ELISA for detecting leukemia-specific CD43.
Antibodies, Monoclonal
;
Blotting, Western
;
Cell Line
;
Clone Cells
;
Diagnosis
;
Enzyme Assays
;
Enzyme-Linked Immunosorbent Assay
;
Epitopes*
;
Leukemia
;
Lymph Nodes
;
Thymus Gland
5.Cervicofacial Actinomycosis with Orbit Involvement.
Tae Young LEE ; Eun Joo LEE ; Hyuk Won CHANG ; Hye Ra JUNG ; Eal Maan KIM ; Hyung LEE ; Sang Pyo KIM ; Sang Kwon LEE
Journal of the Korean Society of Magnetic Resonance in Medicine 2014;18(1):70-74
Actinomycosis is caused by filamentous Gram positive anaerobic bacteria from the Actinomycetaceae family, and known as a rare cause of the infection at the eyeball. We report magnetic resonance findings of a 60-year-old Korean man with cervicofacial actinomycosis, including cellulitis in the eye and central nervous system actinomycosis. On orbital magnetic resonance imaging, gadolinium-enhanced T1-weight images showed multiple abnormal enhancing lesions in head and neck including right eye, and some include low signal intensities which considered as abscesses. The lesions was diagnosed as actinomycosis by incisional biopsy, and since then was cured by using antibiotics of penicillin family.
Abscess
;
Actinomycetaceae
;
Actinomycosis
;
Actinomycosis, Cervicofacial*
;
Anti-Bacterial Agents
;
Bacteria, Anaerobic
;
Biopsy
;
Cellulitis
;
Central Nervous System
;
Head
;
Humans
;
Magnetic Resonance Imaging
;
Middle Aged
;
Neck
;
Orbit*
;
Penicillins
6.A Case of Diffuse Infiltrative Lymphocytosis Syndrome Associated with Human Immunodeficiency Virus Infection.
Sun Ok KWON ; Won Wo PARK ; Hyun Kyung LEE ; Sung Soon LEE ; Youn Kyung KANG ; Young Min LEE ; Hyuk Pyo LEE ; Joo In KIM ; Soo Jeon CHOI ; Ho Kee YUM
Tuberculosis and Respiratory Diseases 2006;61(3):289-293
Diffuse infiltrative lymphocytosis syndrome is an autoimmune syndrome that is characterized by the oligoclonal expansion of CD8+ T-lymphocytes in response to human immunodeficiency virus (HIV) antigens. The clinical manifestations include bilateral enlargement of the parotid glands, lymphocytic interstitial pneumonitis, lymphocytic hepatitis, neurological involvement and systemic lymphadenopathies. In addition to a positive HIV test, the diagnostic histopathological findings are CD8+ T-lymphocytic infiltrations in the lymphnodes, liver, lung, muscle and the salivary or lacrimal glands without granulomatous or neoplastic involvement. We report a case of pulmonary involvement of diffuse infiltrative lymphocytosis syndrome that was associated with a human immunodeficiency virus infection.
Hepatitis
;
HIV*
;
Humans*
;
Lacrimal Apparatus
;
Liver
;
Lung
;
Lung Diseases, Interstitial
;
Lymphocytosis*
;
Parotid Gland
;
T-Lymphocytes
7.Echocardiographic Parameters for Predicting the Outcome of Patients Undergoing Surgery for Severe Tricuspid Regurgitation.
Dong A KWON ; Dong Ho SHIN ; Jin Wook JUNG ; Seung Pyo LEE ; Yoo Jung KIM ; Sun Young KIM ; Suk Jae HWANG ; Jin Shik PARK ; Hyuk Jae CHANG ; Yong Jin KIM ; Dae Won SOHN ; Ki Bong KIM ; Hyuk AHN ; Byung Hee OH ; Young Bae PARK ; Yun Shik CHOI
Korean Circulation Journal 2005;35(12):916-920
BACKGROUND AND OBJECTIVES: This study was performed to identify echocardiographic parameters related to postoperative clinical outcome (PCO) in patients undergoing surgery for severe tricuspid regurgitation (TR) following mitral valve surgery. The indications for surgery due to severe TR following mitral valve surgery are not well defined largely because of a lack of knowledge of the prognostic factors of PCO in these patients. SUBJECTS AND METHODS: Eighteen patients (male/female; 2/16, mean age 58 years) with severe TR associated with prior mitral valve surgery were prospectively enrolled. Comprehensive echocardiographic examinations were performed before and 15+/-7 months after surgery. Favorable PCO was defined as an improvement of > or =1 in New York Heart Association (NYHA) functional class or a >25% increase in respiratory variation of IVC diameter. Non-survivors and survivors without a favorable PCO were defined as having an unfavorable PCO. RESULTS: The operative mortality was 11% (2/18). Of the 16 survivors, nine (9/16, 56%) achieved a favorable PCO. NYHA functional class, age, left ventricular ejection fraction, right ventricular fractional area change, severity of TR and pulmonary artery pressure were not related to PCO. Only systolic tricuspid annulus velocity (ST') was found to be associated with PCO (favorable vs unfavorable PCO; 12.9+/-2.1cm/s vs 9.7+/-1.7cm/s, p<0.05). For ST' value (9.5 cm/s, the sensitivity, specificity, positive and negative predictive values for predicting an unfavorable PCO were 67%, 100%, 100% and 75%, respectively. CONCLUSION: This study shows that ST' can predict PCO in patients undergoing surgery for severe TR following mitral valve surgery.
Echocardiography*
;
Heart
;
Humans
;
Mitral Valve
;
Mortality
;
Prospective Studies
;
Pulmonary Artery
;
Sensitivity and Specificity
;
Stroke Volume
;
Survivors
;
Tricuspid Valve Insufficiency*
8.A Case of Congenital Left Atrial Appendage Aneurysm.
Seung Pyo LEE ; Dong A KWON ; Dong Ho SHIN ; Jin Wook CHUNG ; Hyuk Jae CHANG ; Kwang Il KIM ; Yong Seok CHO ; Tae Jin YOUN ; Woo Young CHUNG ; In Ho CHAE ; Dong Ju CHOI ; Cheol Ho KIM
Journal of the Korean Society of Echocardiography 2005;13(2):80-82
Atrial aneurysms involving the free wall or atrial appendage are very rare intracardiac anomalies, less than 100 case reported worldwide. It is usually detected by chance and also could be associated with atrial arrhythmias or systemic embolism. Transthoracic echocardiography and cardiac MRI is the standard diagnostic modality. Aneurysmectomy is usually recommended especially in symptomatic cases. We review the literature and report a case of atrial appendiceal aneurysm, a 23 year-old young man whose diagnosis was established with transthoracic echocardiography and cardiac CT angiography.
Aneurysm*
;
Angiography
;
Arrhythmias, Cardiac
;
Atrial Appendage*
;
Diagnosis
;
Echocardiography
;
Embolism
;
Heart Aneurysm
;
Humans
;
Magnetic Resonance Imaging
;
Young Adult
9.A case of hepatic candidiasis: Successful treatment with fluconazole.
Jong Jin WON ; Byoung Pyo KWON ; Sung Hyun KIM ; Hyuck LEE ; Hyuk Chan KWON ; Jae Seok KIM ; Hyo Jin KIM
Korean Journal of Medicine 2004;66(5):532-537
The frequency of invasive fungal infections has increased during the period of chemotherapy. Fungal infections are an increasing cause of morbidity and mortality in patients with hematological malignancies. The most common organism are Candida albicans. This report describes our experience in a 28-year-old woman who developed symptoms of hepatic candidiasis which were confirmed with liver biopsy after remission induction chemotherapy for acute myeloid leukemia. In our case, the patient did not improve clinically despite administration of 610 mg amphotericin B. Severe leukocytosis, increasing alkaline phosphatase and clinical deterioration developed rapidly, and then we switched to fluconazole, taking into consideration successful fluconazole treatment of patients with chronic disseminated candidiasis and acute hepatic candidiasis. She remains in clinically and radiological improving at the time of this report.
Adult
;
Alkaline Phosphatase
;
Amphotericin B
;
Biopsy
;
Candida albicans
;
Candidiasis*
;
Drug Therapy
;
Female
;
Fluconazole*
;
Hematologic Neoplasms
;
Humans
;
Leukemia, Myeloid, Acute
;
Leukocytosis
;
Liver
;
Mortality
;
Remission Induction
10.A case of autoimmune hepatitis type-1 with p-ANNA strong positivity.
Dong Seong JEONG ; Je Hyuk CHUNG ; Byoung Pyo KWON ; Sang Jun AHN ; Jin Seok JANG ; Sang Young HAN ; Kyung Hee KIM
Korean Journal of Medicine 2004;66(3):321-325
Autoimmune hepatitis (AIH) is an undissolved inflammatory process of the liver characterized by the periportal hepatitis on histological examination and serum autoantibody. AIH seems to be partly responsible for chronic liver disease of unknown etiology in Korea. Perinuclear-Antineutrophil nuclear antibody (p-ANNA) are detected in up to 88% of patient with primary sclerosing cholangitis (PSC) and presence of p-ANNA in PSC makes them a reasonable diagnostic maker in conjuction with standard diagnostic test. But p-ANNA in AIH is rare and it's role remain unclear. We report the first case of 39 year-old-female patient with AIH type-1 with p-ANNA strong positivity.
Cholangitis, Sclerosing
;
Diagnostic Tests, Routine
;
Hepatitis
;
Hepatitis, Autoimmune*
;
Humans
;
Korea
;
Liver
;
Liver Diseases

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