1.Comparison and correlation of carcinoembryonic antigen levels betwwen peripheral blood and inferior mesenteric vein blood, and gallbladder bile, and rectal secretion.
Byung Soo DO ; Yon Woong CHUNG ; Sang Woon KIM ; Jae Hwang KIM ; Min Chul SHIM ; Koing Bo KWUN
Journal of the Korean Society of Coloproctology 1991;7(2):105-111
No abstract available.
Bile*
;
Carcinoembryonic Antigen*
;
Gallbladder*
;
Mesenteric Veins*
2.Analysis of Discrepant Results between Enzyme Immunoassay and Anti-human Globulin -Complement-ependent Cytotoxicity Method for Panel Reactive Antibody Test.
Sang Hyun HWANG ; Seongsoo JANG ; Heung Bum OH ; Young Hee IM ; Chin Yon WON
Korean Journal of Clinical Pathology 2000;20(5):504-509
BACKGROUND: Panel reactive antibody (PRA) test is important in that it could minimize the errorneous report of HLA crossmatch in emergent situation and be used as a information on nationwide organ sharing. However, only a few laboratories manage to do this test by home-ade tray. This study was intended to resolve the cause of discrepancy between EIA and AHG-DC which would be encountered when supplement AHG-DC was tested for EIA positive samples. METHODS: Reactivity of Lambda Antigen Tray class I and class II mixed (LAT-, One Lambda, CA, USA) was evaluated to 23 specimens which had been positive in AHG phase of HLA crossmatch. All the samples for PRA were tested by EIA screening kit primarily and then AHG-DC was applied only in EIA positive samples. Samples showing discrepant results between two tests were further evaluated by EIA identification panel, platelet absorption test, dithiothreitol (DTT) treatment, and HLA crossmatch (AHG-DC and flowcytometry) with lymphocytes having antigen specificity reactive to antibodies identified by EIA kit. RESULTS: Of 23 samples, 21 (91.3%) showed strong reactivity to EIA and remaining 2 were confirmed to have IgM type alloantibodies. Of 92 samples for PRA, 22 (23.9%) were positive in anti-LA class I. 10 of 22 samples with positive EIA showed negative results by AHG-DC. While three of them were identified of their antibody specificity, of which 2 samples confirmed to have CYNAP (cytotoxicity negative, adsorption positive) antibodies and one sample to be nonspecific reaction to class I antigens, remaining 7 samples were negative to all the wells of EIA identification (id.) kit. Signal/cut-ff (S/C) of all three samples reactive to EIA id. kit were more than 1.75. CONCLUSIONS: HLA antibody screening by EIA from transplant candidate is considered to be appropriate in that EIA could detect IgG anti-LA of all tested sera and CYNAP antibodies as well. It needs further study with larger number of samples whether S/C of EIA would be informative in cases showing EIA positive/ AHG-DC negative.
Absorption
;
Adsorption
;
Antibodies
;
Antibody Specificity
;
Blood Platelets
;
Dithiothreitol
;
Histocompatibility Antigens Class I
;
Immunoenzyme Techniques*
;
Immunoglobulin G
;
Immunoglobulin M
;
Isoantibodies
;
Lymphocytes
;
Mass Screening
;
Sensitivity and Specificity
3.Analysis of Discrepant Results between Enzyme Immunoassay and Anti-human Globulin -Complement-ependent Cytotoxicity Method for Panel Reactive Antibody Test.
Sang Hyun HWANG ; Seongsoo JANG ; Heung Bum OH ; Young Hee IM ; Chin Yon WON
Korean Journal of Clinical Pathology 2000;20(5):504-509
BACKGROUND: Panel reactive antibody (PRA) test is important in that it could minimize the errorneous report of HLA crossmatch in emergent situation and be used as a information on nationwide organ sharing. However, only a few laboratories manage to do this test by home-ade tray. This study was intended to resolve the cause of discrepancy between EIA and AHG-DC which would be encountered when supplement AHG-DC was tested for EIA positive samples. METHODS: Reactivity of Lambda Antigen Tray class I and class II mixed (LAT-, One Lambda, CA, USA) was evaluated to 23 specimens which had been positive in AHG phase of HLA crossmatch. All the samples for PRA were tested by EIA screening kit primarily and then AHG-DC was applied only in EIA positive samples. Samples showing discrepant results between two tests were further evaluated by EIA identification panel, platelet absorption test, dithiothreitol (DTT) treatment, and HLA crossmatch (AHG-DC and flowcytometry) with lymphocytes having antigen specificity reactive to antibodies identified by EIA kit. RESULTS: Of 23 samples, 21 (91.3%) showed strong reactivity to EIA and remaining 2 were confirmed to have IgM type alloantibodies. Of 92 samples for PRA, 22 (23.9%) were positive in anti-LA class I. 10 of 22 samples with positive EIA showed negative results by AHG-DC. While three of them were identified of their antibody specificity, of which 2 samples confirmed to have CYNAP (cytotoxicity negative, adsorption positive) antibodies and one sample to be nonspecific reaction to class I antigens, remaining 7 samples were negative to all the wells of EIA identification (id.) kit. Signal/cut-ff (S/C) of all three samples reactive to EIA id. kit were more than 1.75. CONCLUSIONS: HLA antibody screening by EIA from transplant candidate is considered to be appropriate in that EIA could detect IgG anti-LA of all tested sera and CYNAP antibodies as well. It needs further study with larger number of samples whether S/C of EIA would be informative in cases showing EIA positive/ AHG-DC negative.
Absorption
;
Adsorption
;
Antibodies
;
Antibody Specificity
;
Blood Platelets
;
Dithiothreitol
;
Histocompatibility Antigens Class I
;
Immunoenzyme Techniques*
;
Immunoglobulin G
;
Immunoglobulin M
;
Isoantibodies
;
Lymphocytes
;
Mass Screening
;
Sensitivity and Specificity
4.Clinical Application of Continent Anal Plug in Bed-Ridden Patient with Intractable Diarrhea.
Jae Hwang KIM ; Min Chul SHIM ; Byung Yon CHOI ; Sang Ho AHN ; Sung Ho JANG ; Hyoun Jin SHIN
Journal of the Korean Society of Coloproctology 2000;16(3):163-170
Poor control of bowel movement in some bed-ridden patients with various causes such as stroke or spinal cord injury which causes fecal leakage and diarrhea, increases the risk of perianal excoriation, bed sores and is a burden on caregivers. PURPOSE: To evaluate the efficacy of fecal evacuation, prevention and treatment of skin complications in intractable diarrhea patients employing a new device. METHODS: A continent anal plug (CAP: US Patent No. 5,569,216: Join Ent. Seoul, Korea) comprises an inner balloon surrounded by an external balloon both of which are mounted on a silicone tube containing a pair of air passages and an enema fluid inlet. The tube is secured in place in the rectum by the inflatable external balloon and is designed to drain fecal matter through a thin collapsible hose situated in the anal canal. Thirty two patients (21 male, median age 61 years, range; 28~76) were evaluated after fully informed consent. Median duration (range) was 12 (3~37) days. RESULTS: CAP evacuated efficiently in those with loose or watery stools who only required once daily irrigation or not. Skin excoriations improved in 3~7 days. Minimal leakage was seen around the anus. There was no anorectal mucosal injury noted over 37 days. Conclusions: The CAP was an efficient method of treating patients with loss of bowel control and incontinence because it enabled controlled fecal evacuation and helped reduction of skin complications without causing anorectal mucosal injury.
Anal Canal
;
Bays
;
Caregivers
;
Diarrhea*
;
Enema
;
Humans
;
Informed Consent
;
Male
;
Pressure Ulcer
;
Rectum
;
Seoul
;
Silicones
;
Skin
;
Spinal Cord Injuries
;
Stroke
5.A Case of Anomalous Drainage of the Common Bile Duct into the Duodenal Bulb with Pancreatic Duct Anomaly.
Sang Yon HWANG ; Hyeon Geun CHO ; Hyuk Jin KWON ; Geun Jun KO ; Chang Hwan CHOI ; Chang Woo GHAM ; Ki Joon HAN ; Jin Ho JEONG ; Mi Sung KIM
Korean Journal of Gastrointestinal Endoscopy 2006;32(5):352-356
The common bile duct normally enters the posteromedial aspect of the second part of the duodenum. However, anomalous drainage of the common bile duct into the stomach, pyloric channel, duodenal bulb and fourth portion of the duodenum has been reported in the literature. An anomalous pancreatic duct, with ectopic drainage of the common bile duct, is particularly rare. Herein, we report the case of a 69-year-old woman who showed pancreatic ductal variation and anomalous drainage of the common bile duct into the duodenal bulb. The patient required a cholecystectomy and choledochoenteric anastomosis to relieve the obstructive jaundice and abdominal pain.
Abdominal Pain
;
Aged
;
Cholecystectomy
;
Common Bile Duct*
;
Drainage*
;
Duodenum
;
Female
;
Humans
;
Jaundice, Obstructive
;
Pancreatic Ducts*
;
Stomach
6.Efficacy of Hood-cap Assisted Colonoscopy; Comparison with Conventional Colonoscopy.
Sung Won CHOI ; Hee Seung PARK ; Jae Seung LEE ; Sang Yon HWANG ; Sung Dong KWAK ; Seong Ho CHOI
Intestinal Research 2012;10(3):280-288
BACKGROUND/AIMS: A few studies showed that hood-cap assisted colonoscopy (CAC) had improved cecal intubation rate and cecal intubation time but did not help in finding colon polyps in comparison with conventional colonoscopy (CC). However, other studies have shown different results. Therefore, we investigated the efficacy of CAC for the cecal intubation time and polyp detection rate. METHODS: Patients for colonoscopy in Busan St. Mary's Medical Center were enrolled to this randomized controlled trial between July 2010 and September 2010. The evaluated outcomes were polyp detection rate, adenoma detection rate, and cecal intubation time in all patients, in difficult cases (history of previous abdominal or pelvic surgery, obesity, old age), and in the expert and non-expert groups. RESULTS: A total of 260 patients enrolled in this study were randomly allocated to the CAC group (n=130), or CC group (n=130). The overall cecal intubation time was shorter in the CAC group (5.7+/-3.4 min vs. 7.8+/-5.7 min, P<0.001). The polyp detection rate was higher in the CAC group (58.4% vs. 43%, P=0.008). The cecal intubation time in the expert and non-expert groups were shorter in the CAC group (expert: 4.1+/-2.2 min vs. 5.5+/-2.0 min, P=0.001; non-expert: 6.7+/-3.7 min vs. 9.4+/-5.9 min, P=0.001). CONCLUSIONS: The use of CAC improved the detection rate of colon polyps and shortened the cecal intubation time for both the expert and non-expert groups.
Adenoma
;
Colon
;
Colonoscopy
;
Humans
;
Intubation
;
Obesity
;
Polyps
7.Diagnostic Utility of Pleural Fluid CEA and CYFRA 21-1 for Malignant Pleural Effusions.
Jae Ho CHUNG ; Jeong Eun CHOI ; Moo Suk PARK ; Sang Yon HWANG ; Jin Wook MOON ; Young Sam KIM ; Joon CHANG ; Joo Hang KIM ; Sung Kyu KIM ; Se Kyu KIM
Tuberculosis and Respiratory Diseases 2004;57(1):32-36
BACKGROUND: The purpose of this study was to evaluate the usefulness of the pleural fluid carcinoembryonic antigen (CEA) and cytokeratin fragment 19 (CYFRA 21-1) tumor markers as complementary tools for the diagnosis of malignant pleural effusions. PATIENTS AND METHODS: The levels of pleural and serum CEA and CYFRA 21-1 were prospectively assayed in 222 patients with pleural effusions (150 benign effusions, 57 bronchogenic carcinomas and 15 metastatic carcinomas). RESULTS: The levels of pleural fluid CEA and CYFRA 21-1 in the malignant effusions were significantly higher than those in the benign effusions. With a specificity of 95%, the cut off values for the CEA and CYFRA 21-1 in pleural effusions were 5 and 89 ng/ml, respectively. The diagnostic sensitivities of the pleural fluid CEA and CYFRA 21-1 in malignant effusions were 72 and 54%, respectively, whereas using a combination of the two, the sensitivity increased to 87% (p<0.05). CONCLUSIONS : These findings suggest that a combination of the pleural fluid CEA and CYFRA 21-1 in pleural effusions can be useful in the diagnosis of malignant pleural effusions.
Carcinoembryonic Antigen
;
Carcinoma, Bronchogenic
;
Diagnosis
;
Humans
;
Keratins
;
Pleural Effusion
;
Pleural Effusion, Malignant*
;
Prospective Studies
;
Biomarkers, Tumor
8.Efficacy of Hepatitis B Immune Globulin for Prevention of De Novo Hepatitis B in Living-related Liver Transplantation.
Sang Jong KIM ; Soo Jung HWANG ; Sung Eun PARK ; Yon Ho CHOE ; Suk Koo LEE ; Jae Won JOH ; Sung Joo KIM ; Kwang Woong LEE ; Jeong Meen SEO
Korean Journal of Pediatric Gastroenterology and Nutrition 2003;6(1):32-38
PURPOSE: Hepatic allografts from donors with hepatitis B core antibody have been demonstrated to transmit hepatitis B virus (HBV) infection to recipients after liver transplantation (LT). The efficacy of hepatitis B immune globulin (HBIg) to prevent de novo hepatitis B was investigated by comparing active immunization in the early phase to HBIg monotherapy in the late phase of pediatric liver transplants at Samsung Medical Center. METHODS: Among pediatric liver transplants, from May, 1996 to June, 2002, 15 recipients who were hepatitis B surface antigen (HBsAg) (-) received an allograft from a donor with hepatitis B core antibody (HBcAb) (+). Except two who died from unrelated causes, eleven of 13 recipients were HBsAb (+), and 2 were naive (HBsAb(-), HBcAb(-)). All patients were vaccinated for HBV before LT. In the early phase (January, 1997~November, 1997, 3 patients), HBsAb (+) recipients received booster vaccination after LT. In the late phase (December, 1997~, 10 patients), all recipients were given booster vaccination and received HBIg therapy in order to maintain HBsAb titer greater than 200 IU/L. Lamivudine was given in one case because of severe side effect of HBIg. We retrospectively analyzed the effect of the preventive therapy for de novo hepatitis B through medical records. RESULTS: De novo hepatitis B developed in three of 13 recipients (23.1%). All of 3 patients who received active immunization in the early phase became HBsAg (+) at 7~19 months after transplantation. One of them was naive before LT and the other two were HBsAb (+). All of 10 recipients who were given HBIg in the late phase remained HBsAg (-) at 7~55 months' follow-up. CONCLUSION: Passive immunization with HBIg was effective for prevention of de novo hepatitis B in HBsAg (-) recipients of hepatic allografts from HBcAb (+) donors.
Allografts
;
Follow-Up Studies
;
Hepatitis B Surface Antigens
;
Hepatitis B virus
;
Hepatitis B*
;
Hepatitis*
;
Humans
;
Immunization, Passive
;
Lamivudine
;
Liver Transplantation*
;
Liver*
;
Medical Records
;
Retrospective Studies
;
Tissue Donors
;
Vaccination
9.The Efficacy of Clinical Strategies to Reduce Nosocomial Sepsis in Extremely Low Birth Weight Infants.
Jong Hee HWANG ; Chang Won CHOI ; Yun Sil CHANG ; Yon Ho CHOE ; Won Soon PARK ; Son Moon SHIN ; Munhyang LEE ; Sang Il LEE
Journal of Korean Medical Science 2005;20(2):177-181
The aim of this study was to evaluate the efficacy of clinical strategies to reduce nosocomial sepsis (NS) in extremely low birth weight infants (ELBWI) less than 1,000 g. Data from the period before (P1, 1995-2000) and after (P2, 2001-2002) implementation of the strategies were collected and analyzed. The intervention strategies included restriction of antibiotic therapy, less use of invasive procedures such as umbilical vessel catheterization and endotracheal intubation, establishment of guidelines for hand-washing, infant handling, and central intravascular line management. NS was defined as positive blood cultures in symptomatic patients after the third day of life with the use of antibiotics for more than 5 days. Although the gestational age (GA) and birth weight (BW) were significantly lower in P2 (GA 26.7 +/-2.1 wk; BW 796 +/-130 g) compared to P1 (GA 27.2 +/-1.6 wk; BW 857 +/-121 g), the incidence of NS decreased significantly from 70% (69/99) in P1 to 17% (24/71) in P2 with the implementation of the intervention strategies. The coagulase negative Staphylococcus infection was also significantly reduced from 34% in P1 to 11% in P2. The implementation of the clinical strategies was quite effective in reducing the incidence of NS in ELBWI.
Cross Infection/*prevention & control
;
Female
;
Humans
;
Infant, Newborn
;
*Infant, Very Low Birth Weight
;
Male
;
Sepsis/*prevention & control
10.A Case of Successful Treatment of Stomal Variceal Bleeding with Transjugular Intrahepatic Portosystemic Shunt and Coil Embolization.
Seo Goo HAN ; Ki Jun HAN ; Hyeon Geun CHO ; Chang Woo GHAM ; Chang Hwan CHOI ; Sang Yon HWANG ; Soon Young SONG
Journal of Korean Medical Science 2007;22(3):583-587
Variceal bleeding from enterostomy site is an unusual complication of portal hypertension. The bleeding, however, is often recurrent and may be fatal. The hemorrhage can be managed with local measures in most patients, but when these fail, surgical interventions or portosystemic shunt may be required. Herein, we report a case in which recurrent bleeding from stomal varices, developed after a colectomy for rectal cancer, was successfully treated by placement of transjugular intrahepatic portosystemic shunt (TIPS) with coil embolization. Although several treatment options are available for this entity, we consider that TIPS with coil embolization offers minimally invasive and definitive treatment.
Colectomy/adverse effects
;
Contrast Media/pharmacology
;
Embolization, Therapeutic/*methods
;
Esophageal and Gastric Varices/surgery
;
Gastrointestinal Hemorrhage/*therapy
;
Humans
;
Male
;
Middle Aged
;
*Portasystemic Shunt, Transjugular Intrahepatic
;
Rectal Neoplasms/surgery
;
Tomography, X-Ray Computed/methods
;
Treatment Outcome