Proceedings of the Korean Society of Near Infrared Spectroscopy Conference
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2001.06a
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pp.1031-1031
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2001
The mammary gland is made up of remarkably sensitive tissue, which has the capability of producing a large volume of secretion, milk, under normal or healthy conditions. When bacteria enter the gland and establish an infection (mastitis), inflammation is initiated accompanied by an influx of white cells from the blood stream, by altered secretory function, and changes in the volume and composition of secretion. Cell numbers in milk are closely associated with inflammation and udder health. These somatic cell counts (SCC) are accepted as the international standard measurement of milk quality in dairy and for mastitis diagnosis. NIR Spectra of unhomogenized composite milk samples from 14 cows (healthy and mastitic), 7days after parturition and during the next 30 days of lactation were measured. Different multivariate analysis techniques were used to diagnose the disease at very early stage and determine how the spectral properties of milk vary with its composition and animal health. PLS model for prediction of somatic cell count (SCC) based on NIR milk spectra was made. The best accuracy of determination for the 1100-2500nm range was found using smoothed absorbance data and 10 PLS factors. The standard error of prediction for independent validation set of samples was 0.382, correlation coefficient 0.854 and the variation coefficient 7.63%. It has been found that SCC determination by NIR milk spectra was indirect and based on the related changes in milk composition. From the spectral changes, we learned that when mastitis occurred, the most significant factors that simultaneously influenced milk spectra were alteration of milk proteins and changes in ionic concentration of milk. It was consistent with the results we obtained further when applied 2DCOS. Two-dimensional correlation analysis of NIR milk spectra was done to assess the changes in milk composition, which occur when somatic cell count (SCC) levels vary. The synchronous correlation map revealed that when SCC increases, protein levels increase while water and lactose levels decrease. Results from the analysis of the asynchronous plot indicated that changes in water and fat absorptions occur before other milk components. In addition, the technique was used to assess the changes in milk during a period when SCC levels do not vary appreciably. Results indicated that milk components are in equilibrium and no appreciable change in a given component was seen with respect to another. This was found in both healthy and mastitic animals. However, milk components were found to vary with SCC content regardless of the range considered. This important finding demonstrates that 2-D correlation analysis may be used to track even subtle changes in milk composition in individual cows. To find out the right threshold for SCC when used for mastitis diagnosis at cow level, classification of milk samples was performed using soft independent modeling of class analogy (SIMCA) and different spectral data pretreatment. Two levels of SCC - 200 000 cells/$m\ell$ and 300 000 cells/$m\ell$, respectively, were set up and compared as thresholds to discriminate between healthy and mastitic cows. The best detection accuracy was found with 200 000 cells/$m\ell$ as threshold for mastitis and smoothed absorbance data: - 98% of the milk samples in the calibration set and 87% of the samples in the independent test set were correctly classified. When the spectral information was studied it was found that the successful mastitis diagnosis was based on reviling the spectral changes related to the corresponding changes in milk composition. NIRS combined with different ways of spectral data ruining can provide faster and nondestructive alternative to current methods for mastitis diagnosis and a new inside into disease understanding at molecular level.
Jae-Gyeong, Choi;Chang-Ju, Kim;Geun-Woo, Jeong;Sang-Hyun, Jeong;Sung-Hyun, Joo;Byung-In, Min
Journal of the Korean Society of Radiology
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v.16
no.6
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pp.779-786
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2022
This study is designed to examine the effects of Dioscorea Quinqueloba extract as a natural radiation protection agent on the prostate and heart of male rats. Dioscorea Quinqueloba extract is well known to prevent the male-specific disease and heart disease. In this study, the Gamma-ray 10 Gy was irradiated in whole body of male rat to identify radioprotective effect by Dioscorea Quinqueloba extract. After irradiation, tissue change, SOD (Superoxide Dismutase) activity changes and hematological changes were observed. DQ+IR group showed higher lymphocyte, white blood cell, platelet levels than the IR group. In the NC and DQ groups, the number of prostate gland cells and the gap between cells were relatively narrow. But in the IR group, the cells died significantly and the gap widened. In the DQ+IR group, the gap between cells increased similarly to the IR group, but the number of dead cells was noticeably smaller. In the NC and DQ groups, the cardiovascular and myocardium are clearly separated, and cell nuclei are in good condition. But in the IR group, the cardiovascular and myocardium boundaries were disrupted, and the number of dead cell nuclei was high. In the DQ+IR group, although the boundaries were widened, but not disrupted and the number of dead cell nuclei was high. Therefore, Dioscorea Quinqueloba extract is judged to have radioprotective properties for the prostate and cardiovascular.
Purpose: Some hormonal and electrolyte abnormalities have been reported in pediatric patients with urinary tract infection (UTI). This study aimed to investigate the relationships between the imbalance of electrolytes and the severity of infection and associated urologic anomalies in children with febrile UTI. Methods: We retrospectively reviewed 267 patients with febrile UTI who were admitted to Korea University Guro Hospital during the period from January, 2007 until February, 2010. According to the presence of hyponatremia or hyperkalemia, clinical parameters and associated renal anomalies, such as hydronephrosis, cortical defects and vesicoureteral reflux, were compared. Results: 42.7% of all patients had decreased concentration of serum sodium. In patients with decreased concentration of serum sodium, cortical defects were significantly increased compared to normal patients (40.4% vs. 14.4%, P <0.05). White blood cell (WBC) counts ($15,721{\pm}6,553/uL$ vs. $12,885{\pm}5,367/uL$, P <0.05), C-reactive protein (CRP) ($61.8{\pm}56.1$ mg/L, vs. $29.9{\pm}39.8$ mg/L, P <0.05), and erythrocyte sedimentation rate (ESR) ($43.9{\pm}34.3$ mm/hr vs. $27.4{\pm}26.8$ mm/hr, P <0.05) in peripheral blood showed significant increases in the group with decreased concentration of serum sodium. Duration of fever, presence of gastrointestinal symptom, the incidence of hydronephrosis and vesicoureteral reflux did not differ between the two groups. None of the patients had significant hyperkalemia. Conclusion : We suggest that decreased concentration of serum sodium in febrile UTI might be a helpful marker for leukocytosis and increased CRP and ESR in peripheral blood, and acute pyelonephritis.
Choi, Jeong Ho;Hon, Sun Yeong;Park, Sung Sin;Cha, Sung Ho;Kim, Eun Jin;Lee, Jin;Chang, Jin Keun
Pediatric Infection and Vaccine
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v.15
no.1
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pp.36-44
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2008
Purpose : Orbital cellulitis is rare, but it could be from the serious complication of sinusitis in children. It is often difficult to distinguish periorbital cellulitis from orbital cellulitis. The purpose of this study is to describe the clinical features of orbital and periorbital cellulitis in a pediatric population and to assess the predisposing factors and their complications. Methods : Forty-one patients aged 18 years and younger who were admitted between January 2000 and December 2006 to Hanil General Hospital and Kyunghee University Hospital with orbital or periorbital cellulitis. The retrospective analyses included clinical characteristics of orbital and periorbital cellulitis, dermographics, past history, predisposing factors, clinical presentations, treatments, and complications. Results : Among 41 patients, 34 patients had periorbital cellulitis, 7 patients had orbital cellulitis. While paranasal sinus disease was the most common predisposing cause in orbital cases, skin lesion, insect bite, dacrocystitis and conjunctivitis were the common causes in periorbital cases. In comparison with periorbital cases, orbital cases had higher level of white blood cell count, erythrocyte sedimentation rate, and C-reactive protein. Blood cultures were taken in 23 patients, but only one had Staphylococcus aureus from blood. Only one case had surgical incision and drainage and recovered without complications. Conclusion : From the results of our data, when patient shows erythematous swelling of periorbital area with opthalmoplegia, chemosis and proptosis, orbital CT scan is required to make diagnosis of orbital cellulitis. Most cases of orbital cellulitis can be treated successfully without surgical intervention. If there is no clinical improvement, repeated CT scan and/or surgical intervention should be considered.
Cho, Jung Ik;Choi, Hyung Chul;Kim, Jong Duck;Cho, Ji Hyun
Pediatric Infection and Vaccine
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v.7
no.2
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pp.193-200
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2000
Purpose : This study was designed and performed for evaluations of clinical manifestation and course of the children under 2 year of age with respiratory tract infection and positive respiratory syncytial virus(RSV) antigen. Methods : The selection criteria of the patients were children under 24 month-of-age, Clinical manifestation of respiratory tract infection, and positive RSV antigen that was detected by Vitek ImmunoDiagnostic Assay System(VIDAS) from nasal cavity. The additional laboratory and simple chest X-ray findings were reviewed from the chart of children who were admitted Wonkwang university hospital from October 1999 to March 2000. Results : Total number of patients enrolled on this study was 102. The 48(47%) children were RSV antigen positive by VIDAS method. Abnormal chest X-ray findings were noticed in 38 cases. The male to female sex ratio of 48 RSV antigen positive cases was 1.2 : 1. The mean and range of age was $10.2{\pm}5.9$ and 1.0~24 months. The peak outbreak of cases was noticed on November, 1999. All of the cases shows coughing but rale was audible in 30 cases(60%). Dyspnea, wheezing, and intercostal retraction were noticed 11(23%), 15(31%), and 10(21%) cases respectively. The most common chest X-ray finding was scattered patch infiltration that was noticed in 30 cases(63%). The mean total white blood cell counts in peripheral blood was $12,608{\pm}4,686/mm^3$. The mean blood level of IgA and IgE were $50.8{\pm}20.9$ and $72.1{\pm}98.3mg/dL$ respectively. The C-reactive protein was $16.0{\pm}18.5mg/L$. Total 5 cases need a mechanical respiraton. The duration of admission was under 7 days in 36 cases(75%). Conclusion : The RSV antigen was detected commonly in late fall and winter season. The severity of children under 2 years old with RSV respiratory tract infection take in some degree a gave courses.
Objectives : The purpose of this study is to compare the effects of laser acupuncture to the 830 nm on the five transport points with the spleen meridian for treatment to intestinal disease in rat with dextran sulfate sodium(DSS)-induced colitis. Methods : Colitis was induced by DSS for 20 days. The laser therapy on the five transport points of spleen meridian (Laser Well Point-SP1(L-WE), Laser Brook Point-SP2(L-BR), Laser Stream Point-SP3(L-ST), Laser River Point-SP5(L-RI) and Laser Sea Point-SP9(L-SE) was practiced twice a week for 5 times. Colon length was measured using a measuring point. Histological evaluation of colitis was conducted by hematoxylin and eosin(H&E) staining. Reverse transcription polymerase chain reaction(RT-PCR) was determined using western blotting and quantitative reverse-transcriptase polymerase chain reaction, respectively. Results: Colon length increased significantly L-BR and L-ST points after 5 times of therapy. Damage to the colonic mucosa is an integral feature of the DSS model, so control colonic mucosa tissue was damaged in the areas of ulceration resulting in complete epithelial loss. However histological damage decreased on the epithelial lining at all points. Cyclooxygenase(COX)-2 concentrations decreased in all points groups and Interferon(IFN)-${\gamma}$ increased in L-WE, L-BR, L-RI and L-SE points but L-ST was decreased when compared with control. White blood cell(WBC) and neutrophils(NE) decreased after the fifth acupuncture on the all points. But hemoglobin(HGB) increased after the fifth acupuncture on the L-WE, L-BR, L-ST and L-RI points. Also Mean corpuscular hemoglobin(MCH) and Mean corpuscular hemoglobin concentration(MCHC) decreased after the fifth acupuncture on the all points. Conclusions: The present study indicated that five transport points of the spleen meridian can prevent the development of DSS-induced colitis in rat. Thereby suggesting that should be available for decreasing DSS-induced inflammation in a colonic mucosa of tissue.
Background: Spontaneous pneumomediastinum is an uncommon disorder with few cases reported. It usually occurs in young males and has benign self-limiting course without any apparent concomitant factor. It is seen after intrathoracic pressure changes leading to alveolar rupture. The clinical experiences of two medical centers were reviewed to aid in optimal management. Material and Method: Retrospective review between March 2003 and August 2010 with spontaneous pneumomediastinum patients was performed. Result: 24 patients were identified with a diagnosis of spontaneous pneumomediastinum. These 24 patients were comprised of 18 men and 6 women with mean age 18.9 years (range 10 ~ 33). The major initial complaints were chest pain (79.2%), throat pain (62.5%), and subcutaneous emphysema (41.7%). The triggering events were exercise (16.7%), coughing (12.5%) and vomiting (12.5%). No apparent triggering event was noted in 54.2% of patients. In all cases, chest radiograph and computed tomography was done. Diagnostic computed tomography was required in 25%. White blood cell counts and C-reactive protein (CRP) were checked, and their initial mean values were $9,790{\pm}3,240/{\mu}L$ Land $1.31{\pm}1.71mg/dL$, final mean values were $5,440{\pm}1,665/{\mu}L$ Land $0.72{\pm}0.73mg/dL$, respectively. 23 patients were admitted (average $5.0{\pm}1.8$) and the symptoms were self-limiting in all cases without complications. Conclusion: Spontaneous pneumomediastinum is a benign condition with mild inflammatory signs that often presents with chest or throat pain. Secondary causes must be ruled out to avoid an unfavorable outcome with less invasive study. Because of very rare complications and recurrence, outpatient basis and shortened hospitalization may be feasible.
Kim, Su Yeong;Lee, Na Mi;Yun, Sin Weon;Chae, Soo Ahn;Lim, In Seok;Choi, Eung Sang;Yi, Dae Yong
Clinical and Experimental Pediatrics
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v.62
no.10
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pp.400-404
/
2019
Background: An increase in the numbers of patients with gastrointestinal symptoms has recently been observed. Purpose: To investigate the effects of proton pump inhibitor (PPI) therapy on intestinal inflammation in children and adolescents as confirmed by clinical manifestations and objectively assessed by fecal calprotectin (FC) level measurement. Methods: Consecutive children (aged 3-18 years) who presented with gastrointestinal symptoms and were treated with or without PPI for at least 1 month were enrolled. Patients were divided into PPI and non-PPI groups. The PPI group was further subdivided by treatment duration and type of PPI used. Stool samples were collected for FC evaluation at baseline and after treatment and clinical data and FC levels were compared between the groups. Results: Fifty-one patients (15 boys, 36 girls) were enrolled in the study. The PPI group included 37 patients, while the non-PPI group included 14 patients. Clinical symptoms were not significantly different. FC levels and laboratory results, including C-reactive protein levels, white blood cell count, and absolute neutrophil count, were not statistically different before versus after PPI treatment. After treatment, FC levels decreased to 8.1 mg/kg (-575.4 to 340.3 mg/kg) in the PPI group and increased to 5.6 mg/kg (-460.0 to 186.9 mg/kg) in the non-PPI group compared to those before treatment (P=0.841). The number of patients with increased FC levels was not significantly different between the 2 groups (48.6% vs. 64.3%, P=0.363), similar to that observed in patients with an FC level > 50 mg/kg (24.3% and 7.1%, P=0.250). PPI therapy type and duration did not affect the FC levels (P=0.811 and P=0.502, respectively). Conclusion: Although we aimed to confirm the evidence of intestinal inflammation due to PPI use in children and adolescents through clinical symptoms and FC measurement, no significant changes were observed.
Lee, Soo Hee;Choi, Youn Seon;Hwang, In Cheol;Yeom, Chang Hwan;Lee, June Yeong
Journal of Hospice and Palliative Care
/
v.18
no.1
/
pp.51-59
/
2015
Purpose: Predicting life expectancy of terminally ill cancer patients is very important. In many studies, ferritin is detected at higher levels in the sera of cancer patients, and higher ferritin level correlates with aggressiveness of disease and poor outcomes of patients. This study evaluated a prognostic role of serum ferritin levels in terminally ill cancer patients. Methods: This study enrolled 65 terminally ill cancer patients from March through June 2012. We assessed routine laboratory findings including serum ferritin levels as well as demographic and clinical characteristics of the patients. To examine the association between serum ferritin levels and patient's characteristics, we used Spearman's correlation analysis, Wilcoxon's rank sum test or Kruskal-Wallis test, as appropriately. For multivariate analysis, Cox's proportional hazard regression model was used to evaluate significance of serum ferritin levels as a prognostic factor. Results: A negative correlation between serum ferritin levels and survival time was found. After adjusting for sex, age, performance status, creatinine levels and white blood cell counts, serum ferritin levels were significantly associated with survival time. Conclusion: Even at the very end of life of terminal cancer patients, serum ferritin levels were an independent prognostic factor for survival.
Weaning is the most stressful event for nursery pigs because they are moved from familiar to unfamiliar environments. In addition, weaned pigs have immature digestive and immune systems. This situation makes weaned pigs susceptible to diseases and makes the absorption of nutrients from diets difficult. A feed approach, such as dietary enzyme supplementation, can be considered a solution. This study investigated the effects of dietary enzyme cocktail on diarrhea and immune responses of weaned pigs. A total 36 weaned pigs ($5.92{\pm}0.48kg\;BW$; 28 d old) were randomly allotted to 2 dietary treatments (3 pigs/pen, 6 replicates/treatment) in a randomized complete block design. The dietary treatments were a typical diet based on corn and soybean meal (CON) and CON with 0.05% enzyme cocktail (Cocktail; combination of xylanase, ${\alpha}-amylase$, protease, ${\beta}-glucanase$, and pectinase). Pigs were fed their respective diets for 6 wk. Incidence of diarrhea, packed cell volume (PCV), white blood cells (WBC) count, and immunoglobulin content were measured. A significantly lower incidence of diarrhea (p < 0.05) was observed in the Cocktail group as compared with the CON group. The Cocktail group also showed a decreased PCV (p < 0.1) on d 3 after weaning than the CON group. However, no differences were observed for number of WBC and contents of immunoglobulin G, M, and A between the Cocktail and CON groups. Consequently, inclusion of an enzyme cocktail in diets for weaned pigs had a positive influence on gut health by reducing the incidence of diarrhea in the present study.
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