1.Factors Influencing Postoperative Urinary Retention in Female Patients Undergoing Total Knee Replacements.
Jong Man KANG ; Jung Won HWANG ; Ka Young RHEE ; Sung Hee HAN ; Yong Seok OH
Korean Journal of Anesthesiology 2005;49(2):162-166
BACKGROUND: Postoperative urinary retention is defined as the inability to void with a full bladder during the postoperative period. It affects both sexes in all ages following all types of operation, including patients who previously had no micturition problems. We investigated the incidence and risk factors of urinary retention following long spinal anesthesia for total knee replacement. METHODS: We retrospectively studied a number of factors that may be associated with urinary retention in 98 women. The outcome variable of logistic regression models are urinary retention and severe urinary retention. The potential explanatory variables are age, height, weight, history of hypertension, DM and abnormal urology, heavy bupivacaine dose, types of patient-controlled analgesia, time to regression of spinal block to sacral segments (Tregression), amount of fluid and duration of surgery. We constructed a multiple linear regression model of the time from subarachnoid injection to spontaneous voiding (Tvoiding) in relation to above variables. RESULTS: The overall rate of urinary retention and severe retention were 57.1% and 30.6%. Tregression was identified as significant explanator of an increased probability for urinary retention (P = 0.002), Tregression and DM for severe urinary retention (P <0.001, P = 0.054). In the multiple linear regression model, three variables - Tregression, age, abnormal urological history were identified to have significant t-values (3.902, 3.107, 2.284) with Tvoiding (P <0.001, P = 0.003, P = 0.025). CONCLUSION: Old age, DM, abnormal urological history, delayed recovery of spinal anesthesia are risk factors to urinary retention or delayed spontaneous voiding.
Analgesia, Patient-Controlled
;
Anesthesia, Spinal
;
Arthroplasty, Replacement, Knee*
;
Bupivacaine
;
Female*
;
Humans
;
Hypertension
;
Incidence
;
Linear Models
;
Logistic Models
;
Postoperative Period
;
Retrospective Studies
;
Risk Factors
;
Urinary Bladder
;
Urinary Retention*
;
Urination
;
Urology
2.Breeding and Screening of Lentinula edodes Strains Resistant to Trichoderma spp..
Hye Min LEE ; Won Chull BAK ; Bong Hun LEE ; Hyun PARK ; Kang Hyeon KA
Mycobiology 2008;36(4):270-273
Trichoderma spp. cause large crop losses of the cultivated shiitake mushroom, Lentinula edodes. We bred several shiitake strains that are resistant to Trichoderma spp. using di-mon mating to establish a useful method for controlling the greenmold disease. We examined the competitive ability of L. edodes against Trichoderma spp. using a dual culture system to select resistant strains. By screening Trichoderma-resistant strains, we found that among 11 parental strains, 4 strains, including KFRI 36, were confirmed resistant strains. They showed especially strong resistance to T. harzianum, which formed deadlock after mycelial contact and then invaded into the territory of T. harzianum. KFRI 171 also showed resistance to T. atroviride strains. Among 13 strains, which were made by hybridization of shiitake strains, 5 were confirmed to be resistant to Trichoderma, including KFRI 58-1. Their resistance was not correlated to the resistant activity of their parents' strains. Two strains lose resistance and two strains acquire resistance compared to their parents' strains. In SEM observation, the mycelium of L. edodes at the interaction zone of Lentinula-Trichoderma was rugged and swollen by T. harzianum.
Breeding
;
Chimera
;
Humans
;
Lentinula
;
Mass Screening
;
Mycelium
;
Parents
;
Shiitake Mushrooms
;
Trichoderma
3.Determination of Glucan Contents in the Fruiting Bodies and Mycelia of Lentinula edodes Cultivars.
Won Chull BAK ; Ji Heon PARK ; Young Ae PARK ; Kang Hyeon KA
Mycobiology 2014;42(3):301-304
Shiitake mushrooms (Lentinula edodes) containing beta-glucans may be beneficial for human health; they have been used in the treatment of cancer, hypertension, and high cholesterol levels. The objective of this study was to determine the beta-glucan content in different sections of the fruiting bodies and mycelia of ten shiitake mushroom cultivars. The measured beta-glucan content ranged from 20.06 +/- 1.76% to 44.21 +/- 0.13% in the pileus sections, and from 29.74 +/- 1.40% to 56.47 +/- 4.72% in the stipe sections. The results of this study indicate that the variance in beta-glucan content dependent on the shiitake cultivar, and that the beta-glucan content is higher in the stipe than in the pileus.
beta-Glucans
;
Cholesterol
;
Fruit*
;
Humans
;
Hypertension
;
Shiitake Mushrooms*
4.A Case of Primary Cardiac Osteosarcoma with Pulmonary Vein Obstruction.
Eun Sang YU ; Eun Joo KANG ; Hong Jun KIM ; Ka Won KANG ; Ji Young SONG ; Ji Ho JEON ; Jun Suk KIM
Korean Journal of Medicine 2015;89(2):233-237
Primary cardiac osteosarcoma is extremely rare. We herein report a case involving a 31-year-old woman with a 2-week history of left upper trunk pain and hemoptysis. She was diagnosed with primary cardiac osteosarcoma with pulmonary vein obstruction and successfully treated via surgical resection and chemotherapy.
Adult
;
Drug Therapy
;
Female
;
Heart
;
Heart Neoplasms
;
Hemoptysis
;
Humans
;
Osteosarcoma*
;
Pulmonary Veins*
5.Bladder and Liver Involvement of Visceral Larva Migrans May Mimic Malignancy.
Eun Joo KANG ; Yoon Ji CHOI ; Jung Sun KIM ; Byung Hyun LEE ; Ka Won KANG ; Hong Jun KIM ; Eun Sang YU ; Yeul Hong KIM
Cancer Research and Treatment 2014;46(4):419-424
Visceral larva migrans (VLM) syndrome is a clinical manifestation of systemic organ involvement by Toxocara species. VLM with involvement of the bladder and liver is a rare finding. A 62-year-old woman presented with diffuse bladder wall thickening and multiple liver masses with peripheral eosinophilia and urinary symptoms. We considered malignancy or eosinophilic cystitis through clinical manifestations and imaging findings. However, no suspicious malignant lesions were observed on cystoscopy and liver mass biopsy revealed the presence of eosinophilic necrotizing granuloma without malignant cells. Anti-Toxocara antibodies were detected by western blotting and the patient was diagnosed with VLM syndrome. After taking prednisolone, urinary symptoms disappeared. On abdominal CT scan taken after three months, the size of multiple liver masses and bladder wall thickening had decreased. VLM syndrome should be suspected in patients with an atypical imaging pattern and peripheral eosinophilia.
Antibodies
;
Biopsy
;
Blotting, Western
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Cystitis
;
Cystoscopy
;
Eosinophilia
;
Eosinophils
;
Female
;
Granuloma
;
Humans
;
Larva Migrans, Visceral*
;
Liver*
;
Middle Aged
;
Prednisolone
;
Tomography, X-Ray Computed
;
Toxocara
;
Toxocariasis
;
Urinary Bladder*
6.Identification of Single Nucleotide Polymorphism Markers in the Laccase Gene of Shiitake Mushrooms (Lentinula edodes).
Ki Hwan KIM ; Kang Hyeon KA ; Ji Hyoun KANG ; Sangil KIM ; Jung Won LEE ; Bong Kyun JEON ; Jung Kuk YUN ; Sang Rul PARK ; Hyuk Je LEE
Mycobiology 2015;43(1):75-80
We identified single nucleotide polymorphism (SNP) markers in the laccase gene to establish a line-diagnostic system for shiitake mushrooms. A total of 89 fungal isolates representing four lines, including Korean registered, Korean wild type, Chinese, and Japanese lines, were analyzed. The results suggest that SNP markers in the laccase gene can be useful for line typing in shiitake mushrooms.
Agaricales
;
Asian Continental Ancestry Group
;
Humans
;
Laccase*
;
Polymorphism, Single Nucleotide*
;
Shiitake Mushrooms*
7.Myeloma prognostic index at diagnosis might be a prognostic marker in patients newly diagnosed with multiple myeloma.
Dae Sik KIM ; Eun Sang YU ; Ka Won KANG ; Se Ryeon LEE ; Yong PARK ; Hwa Jung SUNG ; Chul Won CHOI ; Byung Soo KIM
The Korean Journal of Internal Medicine 2017;32(4):711-721
BACKGROUND/AIMS: The aims of this study were to identify the value of inflammatory markers as pretreatment prognostic factors for patients with multiple myeloma (MM) and to estimate the value of a prognostic index including these markers at diagnosis. METHODS: A total of 273 newly diagnosed MM patients undergoing active treatment were analyzed in this study. The prognostic values for survival of the pretreatment inflammatory markers were investigated. A myeloma prognostic index (MPI) was derived using prognostic factors determined to be independently significant on multivariate analysis. RESULTS: A high pretreatment neutrophil-lymphocyte ratio (NLR), low platelet count, and high C-reactive protein (CRP) level had independently unfavorable significance for overall survival (OS). The MPI was derived based on these factors. Per the MPI, 1 point each was assigned to high NLR, low platelet count, and high CRP. Risk categories were stratified into low- (score 0), intermediate- (score 1), and high-risk (score 2 or 3) groups. The MPI demonstrated independent statistical significance for OS on multivariate analysis ([intermediate: hazard ratio (HR), 1.91; 95% confidence interval (CI), 1.12 to 3.24] and [high: HR, 3.37; 95% CI, 2.00 to 5.69]; p < 0.001). Moreover, this significance could be observed regardless of age, renal function, and exposure to novel agents. In addition, the International Staging System risk group could be further significantly stratified using the MPI. CONCLUSIONS: The MPI, consisting of pretreatment inflammatory markers, NLR, platelet count, and CRP, might be effective in predicting the survival of newly diagnosed MM patients undergoing active treatment.
C-Reactive Protein
;
Diagnosis*
;
Humans
;
Multiple Myeloma*
;
Multivariate Analysis
;
Platelet Count
;
Prognosis
8.Two Cases of Bacterial Peritonitis in Encapsulating Peritoneal Sclerosis.
Hong Jun KIM ; Ji Eun KIM ; Ka Won KANG ; Eun Sang YU ; Yu Ah HONG ; Jin Wan PARK ; Young Joo KWON
Korean Journal of Medicine 2015;89(3):346-352
Encapsulating peritoneal sclerosis (EPS) is a rare complication of peritoneal dialysis associated with a high mortality rate. Bacterial peritonitis (BP), a complication of EPS treatment, is uncommon, and treatments for BP are not well known. We report two patients who had undergone steroid treatment who developed BP after hemodialysis transfer. In the first case, we treated the BP with antibiotics and performed several surgical drainage procedures; however, the fluid became too thick to drain. This patient died of malnutrition and sepsis. In the second case, antibiotics and surgical enterolysis with peritonectomy were used to treat the BP. Solid food was accepted on day 7 postoperatively, and the patient was stable after 20 months. Thus, surgical enterolysis with peritonectomy may be a good treatment modality for patients with EPS and BP.
Anti-Bacterial Agents
;
Drainage
;
Humans
;
Malnutrition
;
Mortality
;
Peritoneal Dialysis
;
Peritoneal Fibrosis*
;
Peritonitis*
;
Renal Dialysis
;
Sepsis
9.Ergosterol and Water Changes in Tricholoma matsutake Soil Colony during the Mushroom Fruiting Season.
Chang Duck KOO ; Dong Hee LEE ; Young Woo PARK ; Young Nam LEE ; Kang Hyun KA ; Hyun PARK ; Won Chull BAK
Mycobiology 2009;37(1):10-16
The purpose of this study is to understand spatio-temporal changes of active fungal biomass and water in Tricholoma matsutake soil colonies during the mushroom fruiting season. The active fungal biomass was estimated by analyzing ergosterol content at four different points within four replicated locations in a single circular T. matsutake colony at Ssanggok valley in the Sogri Mt. National Park in Korea during 2003 to 2005. The four points were the ahead of the colony, the front edge of the colony and 20 cm and 40 cm back from the front edge of the colony. Ergosterol content was 0.0 to 0.7 microg per gram dried soil at the ahead, 2.5 to 4.8 microg at the front edge, 0.5 to 1.8 microg at the 20 cm back and 0.3 to 0.8 microg at the 40 cm back. The ergosterol content was very high at the front edge where the T. matsutake hyphae were most active. However, ergosterol content did not significantly change during the fruiting season, September to October. Soil water contents were lower at the front edge and 20 cm back from the front edge of the colony than at the ahead and 40 cm back during the fruiting season. Soil water content ranged from 12 to 19% at the ahead, 10 to 11% at the edge, 9 to 11% at the 20 cm back and 11 to 15% at the 40 cm back. Our results suggest that the active front edge of the T. matsutake soil colony could be managed in terms of water relation and T. matsutake ectomycorrhizal root development.
Agaricales
;
Biomass
;
Ergosterol
;
Fruit
;
Hyphae
;
Korea
;
Seasons
;
Soil
;
Tricholoma
;
Water
10.The prognostic significance of p16 expression pattern in diffuse gliomas
Jin Woo PARK ; Jeongwan KANG ; Ka Young LIM ; Hyunhee KIM ; Seong-Ik KIM ; Jae Kyung WON ; Chul-Kee PARK ; Sung-Hye PARK
Journal of Pathology and Translational Medicine 2021;55(2):102-111
Background:
CDKN2A is a tumor suppressor gene that encodes the cell cycle inhibitor protein p16. Homozygous deletion of the CDKN2A gene has been associated with shortened survival in isocitrate dehydrogenase (IDH)–mutant gliomas. This study aimed to analyze the prognostic value of p16 and to evaluate whether p16 immunohistochemical staining could be used as a prognostic marker to replace CDKN2A genotyping in diffuse gliomas.
Methods:
p16 immunohistochemistry was performed on tissue microarrays of 326 diffuse gliomas with diagnoses that reflected IDH-mutations and 1p/19q codeletion status. The results were divided into three groups (negative, focal expression, overexpression) according to the presence and degree of p16 expression. Survival analysis was performed to assess the prognostic value of p16 expression.
Results:
A loss of p16 expression predicted a significantly worse outcome in all glioma patients (n=326, p<.001), in the IDH-mutant glioma patients (n=103, p=.010), and in the IDH-mutant astrocytoma patients (n=73, p=.032). However, loss of p16 expression did not predict the outcome in the IDH-wildtype glioma patients (n=223, p=.121) or in the oligodendroglial tumor patients with the IDH-mutation and 1p/19q codeletion (n=30, p=.457). Multivariate analysis showed the association was still significant in the IDH-mutant glioma patients (p=.008; hazard ratio [HR], 2.637; 95% confidence interval [CI], 1.295 to 5.372) and in the IDH-mutant astrocytoma patients (p=.001; HR, 3.586; 95% CI, 1.649 to 7.801). Interestingly, patients who presented with tumors with p16 overexpression also had shorter survival times than did patients with tumors with p16 focal expression in the whole glioma (p< .001) and in IDH-mutant glioma groups. (p=.046).
Conclusions
This study suggests that detection of p16 expression by immunohistochemistry can be used as a useful surrogate test to predict prognosis, especially in IDH-mutant astrocytoma patients.