Purpose : We evaluated the epidemiologic characteristics and incidence of coronary artery sequele of children with KD according to treatment. Methods : We retrospectively analyzed 506 medical records of children with KD, who were admitted at Daejeon St. Mary's Hospital from Jan. 1987 to Dec. 2000. Results : The mean annual incidence was $36.1{\pm}11.1$ cases per year. There was a slightly higher occurrence in summer with no significant difference in monthly incidence. The mean age was $2.4{\pm}1.7$ years and 450 children(88.9%) were below four years of age. The male to female ratio was 1.7 : 1. When the 345 cases between 1987 and 1994 were divided into three groups according to treatment, incidences of the coronary abnormality(above grade II) of aspirin-treated(54 cases; 15.6%), divided-intravenous immunoglobulin(IVIG) treated($400-500mg/day{\times}4-5days$, 224 cases; 64.9%), and one-dose IVIG treated(2.0 g/day, 67 cases; 19.5%) groups were 8.3%, 6.0%, and 7.5%, respectively. Between 1995 and 2000, 143 cases were treated with only one-dose IVIG and 21 cases(14.7%) showed coronary artery abnormalities(grade I, 15 cases; grade II, two cases; and grade III, four cases). Among the 143 cases, 22 cases(15.1%) were retreated with IVIG and/or steroid pulse therapy. The incidence of coronary artery abnormality in this group was 50.0%. Incidences of cases in recurrence and among siblings were 0.6% and 0.4% respectively. There was no fatal case. Conclusion : In Daejeon, Korea, the epidemiologic feature of KD showed slight annual variations without monthly differences. The incidence of coronary abnormality with one-dose IVIG therapy was 14.7%. The nonresponse of this therapy was 15.1% with a coronary abnormality of 50.0%.
It is well known that diabetes mellitus is associated with metabolic derangements, such as hyper-glycemia, ketosis, glycosuria, and also widespread alterations in the blood vessels, kidneys, eyes, peripheral nerves and heart. It is also recognized that healing of skin wound is delayed in diabetics. In bone, according to Aegerter, osteopenia develops in diabetes mellitus and it is chiefly ascribed to overutilization of protein. Shim claims that total blood flow to the entire skeletal system is approximately 4 to 8 percent of resting cardiac output and blood supply to the skeletal system would be decreased on account of secondary arteriosclerotic changes in the diabetics. An adequate blood supply is an essential factor in the healing process of fracture, and disturbed blood flow, either local or systemic, will invariably delay union of the fragments or the fragments from being fused. As the author has encountered several cases of diabetics in whom healing of fracture was delayed or incomplete, this experimental study was undertaken to elucidate the effects of hyperglycemia and diabetes mellitus on the healing process of fracture. In this experiment adult albino rabbits, weighing about 2 kg. were used and divided into 6 groups. The femur of each animal was fractured surgically, and then the healing process of fracture was periodically checked by radiography at an interval of one week for a period of 6 weeks. Thereafter, all the rabbits were killed to obtain tissue preparation of the femur. The experimental groups were as follows; 1) Control group: Six rabbits sustained a surgical fracture to the femur, without being given any other treatment or drug. 2) Alloxan-treated group: For inducing diabetes, alloxan was given intravenously to 17 rabbits in various dose as follows; to 7 of them 40 mg/kg, to 6 rabbits 80 mg/kg and to 4 rabbits 120 mg/kg of body weight, respectively. 3) Insulin-treated group: Protamine-zinc insulin was injected subcutaneously to each of 6 rabbits in a daily dose of 1 unit per kilogram of body weight. 4) Group treated with insulin after alloxan: Four rabbits were given 80 mg of alloxan once and than 1 unit of insulin per kilogram of body weight daily. Another 5 rabbits were injected 1 unit of insulin per kg of body weight daily following administration of alloxan in a dose of 120 mg/kg. 5) Homotransplantation group: Following intravenous injection of alloxan in a dose of 120 mg/kg, 10 rabbits underwent homotransplantation of a short bone segment to the femur. Five of them were subsequently given 1 unit/kg of insulin daily. 6) Sugar-treated group: six rabbits were fed $15{\sim}20$ gm of sugar daily throughout the period of experiment. The results obtained are summarized as follows; 1. Blood sugar level and damage to the pancreatic islet increased proportionately when alloxan was given to the rabbits in various doses. No appreciable change could be observed in the islets when the blood sugar level was altered by either oral administration of sugar or subcutaneous injection of insulin. 2. Comparing with the control group, healing of fracture was delayed in the alloxan-treated group, while callus formation and periosteal reaction were shown to be more prominent in this group and subsequently, the ultimate osseous tissue formed at the fracture site was significantly smaller in amount and less compact. These findings were more marked as the amount of alloxan increased. 3. Administration of insulin prevented the delay in healing process of fracture in the rabbits with alloxan-induced hyperglycemia. In this case, the course and progression of fracture healing were almost similar to those of control group. 4. Union between the host bone and the fragment transplanted from other rabbit of the same species was more delayed in the group treated with alloxan alone than in the group to which insulin was administered after development of alloxan-induced diabetes. In both groups periosteal new bone developed from the ends of the host bone, above and below the transplanted fragment, and directly fused with failure of periosteal callus to bridge the adjacent ends of the host bone and the transplanted fragment. 5. The healing process of fracture was not inhibited by alteration in blood sugar level when the blood sugar was abnormally increased by excessive sugar intake or lowered by administration of insulin alone. The healing of fracture in these groups progressed similarly as in the control group. In brief summary, it appears that the healing process of fracture would be definitely disturbed in diabetic state brought about by damage to the pancreatic islet. As such an inhibition could be overcome with insulin, it seems that insulin plays an important role in healing of fracture, but alteration in blood sugar level alone does not modify healing process of fracture to significant degree.
Kim, Jong Tai;Lee, Kyung Won;Kim, Soon Nam;Kim, Moon Kyu
Clinical and Experimental Pediatrics
/
v.45
no.4
/
pp.505-511
/
2002
Purpose : Mean platelet volume(MPV) and platelet distribution width(PDW) are useful parameters in evaluating disorders of platelets. In cases with idiopathic thrombocytopenic purpura(ITP), they change as platelet count increases. In this study, we compared the values of MPV and PDW in ITP patients at diagnosis with those of normal children. We also studied whether the early changes in MPV may predict the clinical course. Methods : From December 1995 to May 2001, 71 patients with ITP were admitted to Ajou University Hospital. They were treated with IVIg 400 mg/kg for five days and MPV, PDW, platelet count were analysed. Normal control group(n=38) was compared. The study group was divided into acute and chronic forms, and also divided into group A, good early responders whose platelets increased more than $100,000/{\mu}L$ within 5 days and group B who did not. Results : Mean value of MPV at diagnosis in ITP patients was lower than the normal control group(P<0.05). In group A, MPV was abruptly increased on the first day after IVIg and then started to decrease. But in group B, MPV was steadily increased until the fourth day after IVIg. In the normal control group, there were inverse correlations between platelet count and MPV(r=-0.415, P<0.05), but in ITP patients, there were positive relationships between platelet count and MPV(r=0.646, P<0.05) at diagnosis. Conclusions : MPV at diagnosis of ITP was lower than the normal control. MPV and PDW could not predict the course of ITP patients, but MPV could distinguish good early responders. More research is needed to find out the reasons of decreased MPV at diagnosis of ITP.
Park, Min Jee;Jeon, In-sang;Tchah, Hann;Choi, Kang Ho;Jung, Mi-Jin;Choi, Deok Young
Clinical and Experimental Pediatrics
/
v.52
no.10
/
pp.1161-1166
/
2009
Purpose : Kawasaki disease—the most common cause of acquired heart disease in children—incidence is increasing yearly. Therefore, we evaluated the predictive indicators of coronary complications of Kawasaki disease based on clinical and laboratory data. Methods : Between January 2005 and March 2008, of the 201 children with Kawasaki disease treated at the Gil Hospital of Gachon University of Medicine and Science, 51 had coronary artery lesions (Group II) and 150 had no lesions (Group I). The reasons for coronary artery lesions were deduced from the clinical and laboratory data. Results : Analysis of the 2 groups revealed that fever duration and days of fever after and before initial intravenous gammaglobulin (IVIG) treatment were significantly longer in Group 2 than in Group I. IVIG infusions were statistically higher in Group II than in Group I. As per the laboratory data, C-reactive protein (CRP) value was significantly higher in Group II. Collectively, >10 days of fever duration, >48 h of fever duration after, and >10 days of fever before IVIG treatment increased the risk of coronary artery lesions 6-, 5-, and 3.5-fold, respectively. Furthermore, additional IVIG courses and higher CRP level increased the risk of coronary artery lesions 4-fold and 2-3-fold, respectively. Conclusion : The following 3 factors were responsible for increased risk of coronary artery lesions in children with Kawasaki disease: fever duration and days of fever after and before IVIG treatment. To identifythe predictive indicators of coronary complications, it is necessary to further elucidate the relationship between well-known forecasting factors.
Cho, Hye Kyung;Sohn, Jin A;Kim, Hae Soon;Sohn, Sejung
Clinical and Experimental Pediatrics
/
v.52
no.2
/
pp.234-241
/
2009
Purpose : We investigated the relationship between thyroid hormone and serum tumor necrosis factor (TNF-${\alpha}$), interleukin (IL-6) and N-terminal fragment of pro-brain natriuretic peptide (NT-proBNP) in patients with Kawasaki disease (KD). Methods : Serum levels of thyroid hormone, TNF-${\alpha}$, IL-6, and NT-proBNP were measured in 52 KD patients in the acute and subacute phase and 10 patients with acute febrile illness (control group). TNF-${\alpha}$ and IL-6 were determined by sandwich enzyme-linked immunosorbent assay (ELISA). Echocardiography was performed to detect coronary artery lesions (CAL) in KD patients. Results : Low $T_3$ syndrome occurred in 63.5% of KD patients. $T_3$ in the acute phase of KD was lower than that in the control. In KD patients, $T_3$ was lowered in the acute phase and elevated in the subacute phase, whereas TNF-${\alpha}$, IL-6 and NT-proBNP were elevated in the acute phase and decreased in the subacute phase. NT-proBNP, and IL-6 were higher in patients with low $T_3$ than in those with normal $T_3$. In addition, $T_3$ inversely correlated with IL-6 and NT-proBNP. Of the 4 patients with CAL, 3 had very low $T_3$. Compared with intravenous immunoglobulin (IVIG)-responsive patients, IVIG-resistant patients had lower $T_3$ and higher IL-6 and NT-proBNP. Conclusion : $T_3$ decreases in the acute phase of KD and normalizes in the subacute phase without thyroid hormone replacement. Low $T_3$ may be partially induced by IL-6 rather than TNF-${\alpha}$, and is strongly associated with high NT-proBNP. $T_3$ in KD may be used for the differential diagnosis, monitoring the activity of the disease, and predicting the severity of inflammation.
The renal handling and tissue distribution of pyrazinamide were studied after administration of single dose intravenous injection for 15 min or constant infusion in New Zealand White rabbits. Peak pyrazinamide serum concentration ranged from 57.3 to $105.0{\mu}g/ml$ ($mean{\pm}SD;83.0{\pm}17.8$). The mean half-life of the a phase was $0.143{\pm}0.047$ hr while the ${\beta}$ phase ranged from 1.66 to 3.25 hr($mean{\pm}SD;2.38{\pm}0.57$). The mean steady-state volume of distribution in non-compartmental model was $0.935{\pm}0.362\;L/kg$ Excretion ratio of pyrazinamide was dramatically reduced from 1.02 to 0.30 when unbound serum pyrazinamide concentration was increased from 6.04 to $60.9\;{\mu}g/ml$. The urine flow dependency of renal clearance of pyrazinamide was demonstrated in steady-state serum concentration. The tissue/serum concentration ratio of pyrazinamide was highest in kidney and lowest in skeletal muscle among the tissues examined. The results suggested that a large fraction of pyrazinamide filtered by glomerulus and secreted by renal tubule was reabsorbed and this tubular reabsorption of pyrazinamide might be greatly influenced by urine flow.
Park, Yoo-Kyoung;Kim, Jung-Shin;Jeon, Eun-Jae;Kang, Myung-Hee
Journal of Nutrition and Health
/
v.42
no.1
/
pp.5-13
/
2009
Mushrooms have become a largely untapped source of powerful new pharmaceutical products that poses anti-inflammatory, and antimutagenic, and antioxidant activities. The antioxidant effects of the mushroom may be partly explained by protecting cellular components against free radical. The aim of this study was to investigate the protective effect of chaga mushroom against diabetes, via the mitigation of oxidative stress and reduction of blood glucose, in streptozotocin-induced diabetic rats. Rats were rendered diabetic by intravenous administration of STZ through tail at a dose of 50 mg/kg. Animals were allocated into four groups with 8 rats each. The control and diabetic control group were fed with standard rat feed. The other diabeic groups, the low chaga extract group and the high chaga extract group were fed ad libitum using 0.5 g/kg and 5 g/kg of chaga mushroom extract, respectively, for 4 weeks. The blood glucose levels in the two chaga extract groups showed a tendency to decrease but did not reach statistical significance after the supplementation. Leukocyte DNA damage, expressed as tail length, was found to be significantly lower in the high chaga extract group than in the diabetic control group (p > 0.05). Plasma level of total radical-trapping antioxidant potential (TRAP) was tend to be higher in the high chaga extract group compared with the diabetic control group. Erythrocyte antioxidant enzyme activities of two groups did not differ. Although we did not obtain beneficial effect on lowering blood glucose levels in the STZ-induced diabetic rats, this results suggest that the chaga mushroom extracts may initially act on protecting endogenous DNA damage in the short-term experiment.
Journal of the Korean Society of Food Science and Nutrition
/
v.41
no.12
/
pp.1727-1733
/
2012
This study was conducted to investigate the effects of Vaccinium uliginosum L. (bilberry) on chemically induced diabetes and hypercholesterolemia. Sprague Dawley (SD) rats were divided into six groups, control (CON), bilberry added group (CBB), streptozotocin (STZ)-induced diabetic group (STZ), STZ and bilberry added group (SBB), high fat fed group (HFF) and high fat and bilberry added group (HFB). Diabetes was chemically induced by intravenous injection of 45 mg/kg body weight STZ in citrate buffer (pH 4.5). Serum triglycerides decreased significantly (p<0.05) in the STZ group that was fed bilberry. Additionally, the athrogenic index (AI) decreased significantly (p<0.05) when compared to the STZ group, while the liver triglycerides tended to decrease in the STZ group. HDL-cholesterol also increased significantly in response to bilberry. When compared to the STZ group, steady attenuation of the blood glucose level was observed upon fasting, 15 min, 30 min, 60 min and 120 min after oral glucose administration. The blood glucose level in the bilberry fed group decreased by 24% when compared to STZ group, while the superoxide dismutase (SOD) became significantly higher (p<0.05) in the STZ group when compared to the CON group. Overall, the results of this study suggest that bilberry stimulates lipid metabolism in both the serum and liver and has a positive effect on glucose metabolism in chemically induced diabetic rats.
Journal of the Korean Society of Food Science and Nutrition
/
v.41
no.12
/
pp.1716-1726
/
2012
This study was undertaken to evaluate the antihyperglycemic, antilipid peroxidative, and antioxidant effects of the ethanol extracts of Artemisia iwayomogi (Ai) in streptozotocin (STZ)-induced diabetic rats. Diabetes was induced in Sprague-Dawley rats with a single intravenous injection (45 mg/kg b.w.) of STZ. The diabetic rats were then randomized to the diabetic and Ai extract therapy groups which were treated with Ai extract at doses of 1, 2, and 3 g/kg b.w./day, respectively, for 14 days. Oral administration of Ai (2 g/kg b.w.) significantly decreased their intake of food. Dosage of 2 g/kg of the extract significantly decreased blood glucose levels in the glucose level in diabetic rats after 4 day, there was no significant difference observed at 1 and 3 g/kg. A dose of 2 or 3 g/kg of the Ai extract significantly reduced plasma glucose levels in STZ-induced hyperglycemic rats at 7 days. The hypoglycemic effect of Ai at a dose of 2 g/kg was significantly more effective than that of STZ-control. The effect was more pronounced in 2 g/kg than 1 g and 3 g/kg. A significant reduction in triglycerides (TG) and free fatty acids (FFA), and a significant increase in liver glycogen were observed in treated diabetic rats at doses of 2 g/kg after 14 days of treatment. Administration of Ai extracts to diabetic rats showed a significant decrease in liver malondialdehyde (MDA) levels. The activity of superoxide dismutase (SOD) was significantly increased in the 3 g extract-supplemented groups. The activities of glutathione peroxidase (GSH-px) and catalase (CAT) were significantly increased in the 1 g and 3 g extract-supplemented groups. Ai extract significantly increased glutathione-S transferase (GST) activity in a dose-dependent manner compared with treatment in STZ-control rats. Our result supports the fact that the administration of Ai extract is able to reduce hyperglycemia and hyperlipidemia risk, and also reduce the oxidative stress in diabetic rats.
Kim Yong Jin;Kim Byung Sik;Kim Yong Ho;Yook Jung Hwan;Oh Sung Tae;Park Kun Choon
Journal of Gastric Cancer
/
v.4
no.4
/
pp.257-262
/
2004
Purpose: We reported our preliminary result in 2001. At that time, the follow-up period was too short to evaluate the survival benefit of adjuvant chemotherapy in gastric cancer without serosal invasion. Therefore, we followed those patients for 66 months to determine the long-term effects of adjuvant chemotherapy. Materials and Methods: We analyzed the recurrence pattern, the survival rate, and the disease-specific survival of 135 patients by reviewing their medical records and calling the patients or their relatives. All enrolled patients were included in the intention-to-treat analysis of efficacy. Results: The follow-up rate was $89.6\%$ (121/135), and the median follow-up duration was 66 months. Among the 135 patients, 4 relapsed in group 1 (5-FU+cisplatin), 7 in group 2 (mitomycin C+oral 5-FU), and 6 in group 3 (oral 5-FU only). The overall survival rate was $89\%$ in group 1, $84\%$ in group 2, and $82\%$ in group 3. There were no differences in the overall survival rates and the disease-specific survival rates among the three groups. Conclusion: Oral chemotherapeutic agents have an acceptable effect for adjuvant chemotherapy compared with intravenous agent. However, a large-scale, prospective, randomized study, including a control group, is needed for an exact evaluation.
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