There are numerous reports on the relative risk of pelvic inflammatory disease among the users versus the nonusers of intrauterine device. Reported relative risk varied from no difference between the two groups to 3-9 fold increase in the users. In an attempt to define this relative risk of pelvic inflammatory disease and related microorganisms ,pelvic organ observation and bacteriological study were done through laparoscopy. Specimens for microbiologic culture were obtained simultaneously from the fallopian tubes via laparoscopy and from the endocervix via regular pelvic examination method. The study population was consisted of 30 I.U.D.users and 35 J.U.D.nonusers who visited the Yonsei University Severance Hospital and the Sung-Ga Hospital for laparoscopic sterilization. The results obtained were as follows: 1. There was no difference in age distribution, economic status and numbers of parity and abortion between I.U.D. users and I.U.D. nonusers. 2. The pelvic inflammatory findings were noted on laparoscopy in 2 cases of I.U.D. users, with an incidence of 6.6%. And no pelvic inflammatory finding was noted in any of the nonusers,but this difference was not statistically significant (p>0.005). 3. All the bacteriologic culture of the specimens from the fallopian tubes of both groups yielded negative results. 4. The bacteriologic culture of the spec imens f rom the endocervix revealed more frequent isolation of possible pathogen such as Hem ophilus ,alpha-Streptococcus ,Corynebacteria, Bacteroides in the I.U.D.users than in the nonusers.But,this difference was also not statistically significant (p>0.005).
Park, Moo Suk;Chung, Kyung Young;Kim, Kil Dong;Lee, Hong Lyeol;Chung, Jae Ho;Hahn, Chang Hoon;Moon, Jin Wook;Kim, Young Sam;Shin, Dong Hwan;Kim, Se Kyu;Kim, Hyung Joong;Chang, Joon;Ahn, Chul Min;Kim, Sung Kyu
Tuberculosis and Respiratory Diseases
/
v.56
no.1
/
pp.29-39
/
2004
Background : The diagnostic and therapeutic approaches to mediastinal tumors and cysts have changed over the past three decades. This report summarizes our forty-two years of experience with these tumors. Methods : This study retrospectively reviewed 479 patients with primary mediastinal tumors and cysts that were diagnosed and managed over the past 17-year period (1985~2002) and compared them to the report of the previous 25-year result (1960~1985) in Yonsei University College of Medicine, Severance Hospital in Seoul, Korea. Results : During the 17 years, there were 479 cases of pathologically proven mediastinal tumors and cysts. Thymoma (38.2%) was the most common mediastinal tumor and has increased noticeably during recent years. The gender ratio showed a male predominance (1.3:1) and the age distributions were even over all the age groups. The most common sites of the tumor and the proportion(28.6%) of malignant tumors were the same as that previously reported. A diagnosis of a tumor in asymptomatic patients was possible in 174 cases (36.3%), which was higher that reported previously. The diagnostic yield of a fine needle aspiration biopsy was 68.6% in the total tumors and 80.9% in the malignant tumors. A surgical resection was the most frequently chosen treatment modality and was performed in 405 cases (84.6%). The complete resection rate was 91.1%, which is higher than the previous result of 78.8%. Conclusion : These results showed that the prevalence of mediastinal tumors and cysts, particularly thymoma, increased. A fine needle aspiration biopsy was a valuable preoperative differential diagnostic method for malignant tumors. The surgical and complete resection rate increased remarkably possibly due to the better applicable chest CT scans, the more frequent health check-up provided by the regular health promotion program for all people as a health insurance policy, and the improved diagnostic techniques in the pathologic, radiological, and clinical fields.
Purpose: Many patients suffer with anemia after gastrectomy. Iron deficiency due to a decreased oral intake and malabsoption is the most common cause of anemia in gastrectomized patients. This study evaluated the efficacy of administering intravenous iron sucrose for treating patients with anemia. Materials and Methods: From May 2007 to October 2007 at Yonsei University Severance Hospital, we reviewed 47 outpatients whose hemoglobin levels were below 11 g/dl after gastrectomy. Iron sucrose was used for iron supplementation. To determine the difference between before and after the treatment (at 1 week, 2 weeks, 3 weeks, 3 months and 6 months after treatment), we prospectively examined such anemia parameters as the hemoglobin level (Hgb), the hematocrit (Hct), serum iron, TIBC, ferritin and transferin. Results: Out of the 47 patients, only 36 completed their treatment. Eleven were male and 25 were female. The Hgb levels, which indicate anemia, were elevated 0.6, 0.8, 1.3, 2.1 and 2.2 g/dl after 1 week, 2 weeks, 3 weeks, 3 months and 6 months after administration, respectively (P<0.001). The changes from 1 week to 3 months were statistically significant, but those from 3 to 6 months were not. The Hgb levels of 26 patients, which accounted for 72% of all the patients, elevated up to 12 g/dl or more. No side effects or complications were found, but there was one case of temporary nausea. Conclusion: Anemia after gastrectomy is safely treated in a relatively short time with administering iron sucrose. The patients' Hgb levels are expected to increase in a week and keep increasing up to 3 months.
Park Inkyu;Chung Kyung Young;Kim Kil Dong;Joo Hyun Chul;Kim Dae Joon
Journal of Chest Surgery
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v.38
no.6
s.251
/
pp.421-427
/
2005
Complete surgical resection is the most effective treatment for pT1/2N1 non-small cell lung cancer, however 5 year survival rate of these patients is about $40\%$ and the major cause of death is recurrent disease. We intended to clarify the risk factors of recurrence in completely resected pT1/2N1 non-small cell lung cancer. Material and Method: From Jan. f990 to Jul. 2003, total of 117 patients were operated for pT1/2N1 non-small cell lung cancer. The risk of recurrence according to patients characteristics, histopathologic findings, type of resection, pattern of lymph node metastasis, postoperative adjuvant treatment were evaluated retrospectively. Result: Mean age of patients was 59.3 years. There were 14 patients with T1N1 and 103 patients with T2N1 disease. Median follow-up time was 27.5 months and overall 5 year suwival rate was $41.3\%$. 5 year freedom-from recurrence rate was $54.1\%$. Recurrence was observed in $44 (37.6\%)$ patients and distant recurrence developed in 40 patients. 5 year survival rate of patients with recurence was $3.3\%$, which was significantly lower than patients without recurrence $(61.3\%,\;p=0.000).$ In multi-variate analysis of risk factors for freedom-from recurrence rate, multi-station N1 $(hazard\;ratio=1.997,\;p=0.047)$ was a poor prognostic factor. Conclusion: Multi-station N1 is the risk factor for recurrence in completely resected pT1/2N1 non-small cell lung cancer.
Kim Woo Chul;Park Won;Kim Heon Jong;Park Seong Young;Cho Young Kap;Loh John J;Suh Chang Ok;Kim Gwi Eon
Radiation Oncology Journal
/
v.16
no.4
/
pp.497-504
/
1998
Purpose : To evaluate the usefulness of electronic portal imaging device through objective compare of the images acquired using an EPID and a conventional port film Materials and Methods : From Apr. to Oct. 1997, a total of 150 sets of images from 20 patients who received radiation therapy in the pelvis area were evaluated in the Inha University Hospital and Severance Hospital. A dual image recording technique was devised to obtain both electronic portal images and port film images simultaneously with one treatment course. We did not perform double exposure five to ten images were acquired from each patient. All images were acquired from posteroanterior (PA) view except images from two patients. A dose rate of 100-300 Mu/min and a 10-MV X-ray beam were used and 2-10 MUs were required to produce a verification image during treatment. Kodak diagnostic film with metal/film imaging cassette which was located on the top of the EPID detector was used for the port film. The source to detector distance was 140 cm. Eight anatomical landmarks (pelvic brim, sacrum, acetabulum. iliopectineal line, symphysis, ischium, obturator foramen, sacroiliac joint) were assessed. Four radiation oncologist joined to evaluate each image. The individual landmarks in the port film or in the EPID were rated - very clear (1), clear (2), visible (3), not clear (4), not visible (5). Results : Using an video camera based EPID system. there was no difference of image quality between no enhanced EPID images and port film images. However, when we provided some change with window level for the portal image, the visibility of the sacrum and obturator foramen was improved in the portal images than in the port film images. All anatomical landmarks were more visible in the portal images than in the port film when we applied the CLAHE mode enhancement. The images acquired using an matrix ion chamber type EPID were also improved image qualify after window level adjustment. Conclusion : The quality of image acquired using an electronic portal imaging device was comparable to that of the port film. When we used the enhance mode or window level adjustment. the image quality of the EPID was superior to that of the port film. EPID may replace the port film.
Purpose: The triple therapy with proton pump inhibitor (PPI) has been recognized as the treatment of choice in Helicobacter pylori (H. pylori) infection in adults. However, the effect of triple therapy with omeprazole, amoxicillin and clarithromycin (OAC) on eradication of H. pylori infection in children has not been established yet. This study was performed to evaluate the efficacy of OAC triple therapy and to compare the effect of one-week with two-week therapy on H. pylori eradication. Methods: From July 1998 to July 2000, 34 children with upper gastrointestinal symptoms, who underwent upper gastrointestinal endoscopy with biopsy at entry and 4 or more weeks after therapy, were enrolled in this study. H. pylori infection was assessed by CLO test and histologic examination (Hematoxylin-Eosin stain or Alcian yellow stain) with biopsy specimens. The regimen consisted of omeprazole (0.7 mg/kg/day), amoxicillin (50 mg/kg/day), and clarithromycin (25 mg/kg/day) for 1 week (n=21) or 2 weeks (n=13). Eradication of H. pylori was determined after the termination of treatment by the CLO test and histologic examination. Results: One-week treatment group consisted of 21 children (11 male, 10 female) with a mean age of $9.5{\pm}3.0$ years. Two-week group consisted of 13 children (4 male, 9 female) with a mean age of $9.9{\pm}4.0$ years. The endoscopic diagnoses included nodular gastritis in 19 cases, superficial gastritis in 7 cases, gastric ulcer in 4 cases, purpuric duodenitis in 2 cases, and normal in 2 cases. H. pylori was eradicated in 28 of total 34 children (82.4%). In 1-week group, H. pylori was eradicated in 17 of 21 children (81%). In 2-week group, H. pylori was eradicated in 11 of 13 children (84.6%). In remaining 6 cases in whom H. pylori had not been eradicated with OAC regimen, H. pylori infection persisted despite of the treatment with additional drugs such as colloidal bismuth subcitrate ($Denol^{(R)}$) and metronidazole. Conclusion: In this study, eradication rate of H. pylori with OAC regimen was 82.4%, and the triple therapy would be highly effective as primary treatment. However, there was no significant difference in the eradication rate between the 1-week and 2-week treatment group (P=0.785).
Purpose : Renal abscess is very rare in children and its diagnosis is difficult because symptoms are often nonspecific. In previous studies, on]y 15% to 25% of patients were reported to be diagnosed at the time of admission. Early diagnosis and treatment are important be cause mortality rate correlates positively with the time of diagnosis. The purpose of this study is to clarify the clinical features of children with renal abscess and to investigate the possible indicators of this disease for early diagnosis and Proper treatment. Methods : Twelve children diagnosed with renal abscess from Jan. 1996 to Jul. 2004 were included. The age of patients ranged from S months to 15 years. We retrospectively analyzed the demographics of patients, their symptoms, predisposing factors, diagnostic methods and causative organisms and the treatment modalities. Results : Fever was the most common manifestation, Five children(42%) had vesicoureteral reflux. Renal ultrasonography and computerized tornography were the most frequently used imaging tools to detect renal abscess. Gram negative bacteria were isolated in 7 patients and Staphylococcus aureus grew in 2 patients. All patients received intravenous antibiotics and 4 patients underwent aspiration or drainage of renal abscess. The average admission duration was 30 days. Conclusion : Renal abscess should be included in the differential diagnosis of prolonged fever in children, especially when flank pain is combined. For early diagnosis and a better prognosis, patients should be promptly investigated with ultrasonography or computerized tomography.
Purpose : Nutcracker syndrome must be considered when hematuria or proteinuria occurs in a healthy child. The purpose of this study is to investigate the prevalence of nutcracker syndrome among children with asymptomatic hematuria or proteinuria, and to obtain the ratios of the peak velocity of the left renal vein between the aortomesenteric portion and the hilar portion in children with asymptomatic hematuna or protelnuria in which nutcracker syndrome was excluded and to observe whether the ratios are affected by sex, age or urinalysis findings. Methods : Using Doppler ultrasonography, we measured the flow velocity and obtained the peak velocity ratios of the left renal vein at the aortornesenteric portion and at the hilar Portion of the left kidney in children with asymptomatic hematuria or proteinuria who visited the Division of Pediatric Nephrology, Severance Hospital from May 2001 to March 2004. Results : Of 304 children with asymptomatic hematuna or proteinuria, 107 children(35.2%) were diagnosed with nutcracker syndrome. For 197 children with asymptomatic hematuria or proteinuria excluding nutcracker syndrome, the mean ratio of the peak velocity was 2.54 $\pm$0.73, which was not affected by sex, age or urinalysis findings. Conclusion : Nutcracker syndrome was the major cause of asymptomatic hematuria or proteinurla In children, comprising 35% of all cases. Doppler ultrasonography was helpful in the screening of nutcracker syndrome and prevention of its complications. For children with asymptomatic hematuria or proteinuria excluding nutcracker syndrome, the peak velocity ratio of the left renal vein did not differ from that of normal children and was not affected by sex, age or urinalysis findings. (J Korean Soc Pediatr Nephrol 2005;9:15-20)
Purpose : Conservative management of multicystic dysplastic kidney(MCDK) without nephrectomy has recently been advocated. The purpose of this study was to determine the clinical course of conservatively managed MCDK and to find out possible predictive factors for involution of MCDK by ultrasonography(US). Methods : A retrospective analysis was made on 45 patients(26 boys and 20 girls) in whom MCDK was detected and had been traced by US between Dec. 1993 and Aug. 2005 at Severance Hospital. Results : Median follow-up time was 30 months(range 2-102 months). All patients under-went radionuclide scans and voiding eystourethrograms. The serial follow-up US showed complete involution in 11(24%), partial involution in 19(41%), and no interval change or increased in cyst size in 13(28%) patients. Nephrectomy was done in 3 patients(7%) due to relapsing urinary tract infection(UTI) and severe abdominal distension. The mean age of complete involution of MCDK was 37 months(range 12-84 months). Episodes of UTI were present in 17 patients(37%) and additional genitourinary(GU) abnormalities were found in 22 patients(44%). Hypertension and renal insufficiency was complicated in one patient. No child developed malignant tumor. Univariate analysis showed that five variables were associated with complete involution of the MCDK; gender, site, UTI episode, additional GU abnormalities, and renal length on initial US. After adjusting using the Pearson model, the presence of additional GU abnormalities was exclusively associated with complete involution among the 5 variables(P=0.034). Conclusion : In our review of 46 cases of MCDK, non-surgical approach for patients with MCDK was advisable and we could predict poor prognosis when MCDK is associated with other GU anomalies.
Kim Ki-Eun;Shin Youn-Ho;Shin Jae-Il;Park Jee-Min;Jeong Hyeon-Joo;Lee Jae-Seung
Childhood Kidney Diseases
/
v.7
no.2
/
pp.157-165
/
2003
Purpose : $Henoch-Sch\"{o}nlein$ purpura(HSP) is a systemic vasculitis that involves multiple organs, especially the kidney, which is the most important organ in determining the prognosis of the disease. The morbidity of HSP nephritis in adults is low and there have been little research done on its clinical course so far. Therefore, we have compared the clinical course of HSP nephritis in children and adults in Korea. Methods : We retrospectively analyzed 81 cases of HSP nephritis in children younger than 15 years of age, and 25 cases of adults older than 15 years of age who were admitted to Yonsei University Medical College Severance Hospital from Jan. 1986 to May 2003. Results : The male to female ratio was 1.5 : 1 in children and 1.3 : 1 in adults. The incidence of HSP nephritis for both age groups was found to be increased during the autumn and winter. Infection was the predisposing factor in 39 cases(48.1%) of children, 16 cases(64.0%) of adults, and drugs were the predisposing factor in 8 cases(9.9%) of children and 4 cases (16.0%) of adults. All patients initially presented with microscopic hematuria. Thirteen cases (16.0%) of children and 7 cases(28.0%) of adults initially showed proteinuria of nephrotic range. Thirty four cases(42.0%) of children and 4 cases(16.0%) of adults showed normal urinalysis after treatment. Asymptomatic urinary abnormalities were found in 41 cases(50.6%) of children and 18 cases(72.0%) of adults. Complications such as nephrotic syndrome and hypertension were found in 3 cases(3.7%) of children and 2 cases(8.0%) of adults. Three children(3.7%) and 1(4.0%) adult required dialysis or renal transplantation. Follow-up renal biopsies were performed on 21 children, of whom 10 cases(47.6%) did not show any histologic change, 9 cases(42.9%) showed low grade changes, and 2 cases(9.5%) showed high grade changes. Prognosis was gloomy when proteinuria of nephrotic range and high grade of abnormal histology were present at diagnosis, and there was no significant difference between the two groups(P<0.05) Conclusion : This study showed that there was no difference in terms of the clinical features and courses between the children and adults with HSP nephritis. Proteinuria of nephrotic range and the severity of abnormal histologic changes at diagnosis were found to be associated with a bad prognosis, therefore we recommend that patients with these features require long term follow-up and management.
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