1.The comparison of Conventional Pap smears with Liquid Pap smears (PrepStain(TM) System) in Cervical Pap smears.
Seung A LEE ; Jung Hye KIM ; Jo Eun KIM ; Hyun Ju PARK ; Weon Young CHOI ; Soon Ae OAK
Korean Journal of Obstetrics and Gynecology 2006;49(11):2371-2379
OBJECTIVE: To Compare the conventional Pap smear with the Liquid Pap smear in screening of cervical cancer and to evaluate the correspondence of their biopsy results. METHODS: From August 1, 2003 to July 31, 2005, the conventional Pap smears and the Liquid Pap smears were performed in 12,757 and 6,870 women, respectively. The results of 252 conventional Pap smear and 227 Liquid Pap smear were confirmed by colposcopic biopsy and evaluated for sensitivity, specificity, positive predictability, negative predictability and false negativity. RESULTS: In Liquid Pap smear, there were higher proportions of ASCUS, LSIL, HSIL and CIS. And the ratio of ASCUS/LSIL were 3.32 and 3.04 in conventional Pap smear and Liquid Pap smear respectively. The conventional Pap smear showed sensitivity 71.8%, specificity 93.9%, positive predictability 82.3%, negative predictability 89.4%, and false negativity 28.2%, while the Liquid Pap smear showed higher sensitivity (72.6%), specificity (96.1%), and positive predictability (89.8%), and lower negative predictability (88.0%), and false negativity (27.4%). The positive predictability was significantly higher (95% C.I.: 1.3-13.7). CONCLUSION: The positive predictability was significantly improved in the Liquid Pap smear. Therefore, the Liquid Pap smear is a more useful method in screening of cervical cancer.
Biopsy
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Female
;
Humans
;
Mass Screening
;
Sensitivity and Specificity
;
Uterine Cervical Neoplasms
2.Isolation and Activity Evaluation of Peptides with Anti-hypertensive Activity from Commercial Enzymatic Flounder Fish Hydrolysate
Ju-Young KO ; Ji-Hyeok LEE ; Hwan-Hee SIM ; Hyun Jung KIM ; Min-Ho OAK
Natural Product Sciences 2023;29(4):337-348
The potent antioxidant and anti-hypertension activities have evidenced gastric enzymatic hydrolysates from flounder fish and their derived peptides. However, peptide composition and functional effect in various enzymatic hydrolysates differ by enzyme types, hydrolyzed times temperatures, etc. Therefore, we determined potential anti-hypertensive effect of hydrolysates produced from flounder fish using commercial enzymes such as Protamex, Flavourzyme, and Kojizyme which are common food grade proteases and characterized on its derived peptides. In this study, Protamex-mediated hydrolysate showed a more potent anti-hypertension effect than other commercial enzymes. Protamex-mediated hydrolysate was fractionated into three ranges of molecular weight (above 10 kDa (FPH-I), 5-10 kDa (FPH-II), and below 5 kDa (FPH-III)). The FPH-III exhibited the strongest anti-hypertensive effect, and it was revealed that three active peptides, valine-phenylalanine-serine-glycinetryptophan-alanine-alanine (VFSGWAA), leucine-histidine-phenylalanine (LHF) and tryptophan-proline-tryptophan (WPW) were contained. The activities were confirmed via angiotensin-converting enzyme (ACE) inhibition and molecular docking simulation. Among the three peptides, LHF and WPW have a molecular structure stability against the gastrointestinal digestion. LHF showed a significant anti-hypertension effect at 9 h after oral administration in spontaneously hypertensive rats (SHRs). Therefore, we suggest that Protamex-mediated hydrolysate would be an excellent anti-hypertensive agent due to the existence of stabilized functional peptides, including LHF and WPW.
3.A Case of Early Esophageal Cancer Treated by Photodynamic Therapy in a Patient with Liver Cirrhosis Accompanied by Esophageal Varix.
Yoon Yung CHUNG ; Woo Chul CHUNG ; U Im CHANG ; Ju Hyun OAK ; Yeon Oh JEONG ; Min Ju KIM ; Chang Nyol PAIK ; Kang Moon LEE
Korean Journal of Gastrointestinal Endoscopy 2010;41(5):298-302
Photodynamic therapy (PDT) is a non-invasive treatment for cancer that works through a photochemical effect after the administration of a photosensitizer. At first, PDT had been used for the relief of obstructive symptoms caused by exophytic esophageal cancer or for control of tumor overgrowth. Recently, several investigators have reported the use of PDT in early esophageal cancer with encouraging results. This report describes a case of a 52-year-old man with early esophageal cancer, who had a long history of liver cirrhosis with esophageal varix. The patient was treated successfully with PDT using porfimer sodium as the photosensitizer. PDT is an alternative to surgical treatment of early esophageal cancer, especially in patients with liver cirrhosis.
Dihematoporphyrin Ether
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Esophageal and Gastric Varices
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Esophageal Neoplasms
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Humans
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Liver
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Liver Cirrhosis
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Middle Aged
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Photochemotherapy
;
Research Personnel
;
Triazenes
4.Efficacy of Levofloxacin and Rifaximin based Quadruple Therapy in Helicobacter pylori Associated Gastroduodenal Disease: A Double-Blind, Randomized Controlled Trial.
Kang Hyun CHOI ; Woo Chul CHUNG ; Kang Moon LEE ; Chang Nyol PAIK ; Eun Jung KIM ; Bong Koo KANG ; Ju Hyun OAK ; Sung Hoon JUNG
Journal of Korean Medical Science 2011;26(6):785-790
The aim of this study was to evaluate the efficacy of levofloxacin and rifaximin based quadruple regimen as first-line treatment for Helicobacter pylori infection. A prospectively randomized, double-blinded, parallel group, comparative study was performed. Three hundred consecutive H. pylori positive patients were randomized to receive: omeprazole, amoxicillin, clarithromycin (OAC); omeprazole, amoxicillin, levofloxacin (OAL); and omeprazole, amoxicillin, levofloxacin, rifaximin (OAL-R). The eradication rates in the intention to treat (ITT) and per protocol (PP) analyses were: OAC, 77.8% and 85.6%; OAL, 65.3% and 73.6%; and OAL-R, 74.5% and 80.2%. The eradication rate achieved with OAC was higher than with OAL on the ITT (P = 0.05) and PP analysis (P = 0.04). OAL-R regimen was not inferior to OAC. The frequency of moderate to severe adverse effects was significantly higher in OAC treatment group. Especially, diarrhea was most common complaint, and there was a significantly low rate of moderate to severe diarrhea with the rifaximin containing regimen. In conclusion, the levofloxacin and rifaximin based regimen comes up to the standard triple therapy, but has a limited efficacy in a Korean cohort. The rifaximin containing regimen has a very high safety profile for H. pylori eradication therapy.
Adult
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Aged
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Amoxicillin/administration & dosage
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Anti-Bacterial Agents/*administration & dosage
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Clarithromycin/administration & dosage
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Diarrhea/chemically induced
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Double-Blind Method
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Drug Therapy, Combination
;
Female
;
Helicobacter Infections/complications/*drug therapy
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*Helicobacter pylori
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Humans
;
Male
;
Middle Aged
;
Ofloxacin/*administration & dosage
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Omeprazole/administration & dosage
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Peptic Ulcer/complications/*drug therapy
;
Prospective Studies
;
Rifamycins/*administration & dosage
5.A Case of Carcinosarcoma in a Patient with Corrosive Esophagitis.
Ju Hyun OAK ; Woo Chul CHUNG ; Ji Han JUNG ; Jin Dong KIM ; Jeong Rok LEE ; Chang Nyol PAIK ; Kang Moon LEE ; Kyu Do CHO
The Korean Journal of Gastroenterology 2008;52(1):42-47
Carcinosarcoma of the esophagus is a rare malignancy accounting for approximately 1-2% of all esophageal neoplasms. It presents as a bulky intraluminal polypoid lesion mainly in the mid to lower esophagus, which harbors both carcinomatous and sarcomatous components histologically. It often presents relatively early because of its rapid intraluminal growth. We report the case of a 69-year-old man who had suffered from dysphagia for 1 month. He was previously admitted to the hospital due to corrosive esophagitis caused by ingestion of acetic acid. Endoscopy and radiological studies revealed a bulky polypoid mass with superficial ulcerations and mucosal friability, measuring 10 cm in length approximately, in the mid-esophagus. Subtotal esophagectomy with esophagogastrostomy was done. Microscopically it was composed of sarcomatous component intermingled with squamous cell carcinoma. Immunohistochemical stains reveal cytokeratin, 34betaE12, and p63 positivity in the nests of carcinoma, and desmin and vimentin positivity in the spindle cells of sarcomatous stoma.
Aged
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Carcinosarcoma/*diagnosis/pathology/surgery
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Esophageal Neoplasms/*diagnosis/pathology/surgery
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Esophagectomy
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Esophagitis/chemically induced
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Humans
;
Male
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Tomography, X-Ray Computed
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Tumor Markers, Biological/immunology
6.Comparison of Forcep-biopsy and Cryo-biopsy by a Flexible Bronchoscopy.
Jae Hyun KIM ; Jung Min CHOI ; Sung Eun SONG ; Eun Mi LEE ; Song Ju LEE ; Chul Ho OAK ; Tae Won JANG ; Man Hong JUNG ; Hee Kyung JANG
Tuberculosis and Respiratory Diseases 2009;66(2):110-115
BACKGROUND: A forceps-biopsy is performed to acquire tissue from patients with an endobronchial carcinoma using a flexible bronchoscope. Recently, a cryo-biopsy has also been used to acquire tissue samples. Cryo-biopsy is the diagnostic application of extreme cold for the local destruction of abnormal living tissue. This technique is safe, with no radiation danger, no risk of electrical accidents, and a little risk of bleeding. This study compared a forceps-biopsy with a cryo-biopsy using a flexible bronchoscope, and examined the chemosensitivity and level of VEGF (vascular endothelial growth factor) in the specimens obtained from the cryo-biopsy. METHODS: We present a prospective study of 30 consecutive patients who underwent a forceps-biopsy between January 2007 and October 2007 with a mean age of 62.1 years and a male:female ratio of 5 : 1. A flexible bronchoscope was inserted to the area of the abnormal lesions, and a cryo-probe was then applied through the working channel of the flexible bronchoscope. A temperature of approximately -80 was delivered to the tumor site for 8 seconds. The cryo-biopsy was performed after destroying the tumor mass. RESULTS: The mean size of the tissue from the forceps-biopsy and cryo-biopsy were 2.0+/-1.2 mm and 6.0+/-3.0 mm. A chemosensitivity test was performed on 5 specimens obtained using cryo-biopsy and the level of VEGF was examined in 2 specimens obtained from a cryo-biopsy. There were no side effects in either group. CONCLUSION: Cryo-biopsy using a flexible bronchoscope is a safe and effective technique for acquiring tissue samples.
Bronchoscopes
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Bronchoscopy
;
Extreme Cold
;
Hemorrhage
;
Humans
;
Prospective Studies
;
Vascular Endothelial Growth Factor A
7.A Case Report of Rhabdomyolysis Associated With Acute Renal Failure Following Laparoscopic Radical nephrectomy.
Ju Hyun OAK ; Mi Hyang JUNG ; Byung Hee HWANG ; Hong Sun YOO ; Ki Hoon PARK ; Ji Hun KIM ; Seo Hee ANN ; Yong Kyun KIM ; Ho Cheol SONG ; Eui Jin CHOI
Korean Journal of Nephrology 2009;28(1):49-52
Postoperative rhabdomyolysis with acute renal failure (ARF) is a rare complication of laparoscopic urologic surgery. It is associated with lateral decubitus surgical position, long operative time, and increased body mass. We report a case of a 49-year-old-man with right renal cell carcinoma who underwent a laparoscopic right radical nephrectomy for 7 hours in left decubitus position and was complicated by ARF due to postoperative rhabdomyolysis. Laparoscopic renal surgery is performed in many surgical renal diseases and heightened suspicion may help early recognition of postoperative rhabdomyolysis. Vigorous hydration and hemodialysis are also helpful in treating ARF secondary to rhabdomyolysis
Acute Kidney Injury
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Carcinoma, Renal Cell
;
Laparoscopy
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Nephrectomy
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Operative Time
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Renal Dialysis
;
Rhabdomyolysis
8.Sirolimus-induced pneumonitis in a renal transplant recipient.
Jin Seok KIM ; Ah Young SHIN ; Jeong Ho KIM ; Eun Hye KIM ; Ju Hyun OAK ; Chul Woo YANG
Korean Journal of Medicine 2010;79(4):438-442
Sirolimus is a promising immunosuppressive agent with low nephrotoxicity and anti-tumor effects; it replaces calcineurin inhibitors, but serious adverse effects have been reported. We report on sirolimus-induced pneumonitis, which is a rare but fatal complication. The patient was a 51-year-old renal transplant recipient who had received sirolimus for 3 months before admission. The patient had a productive cough and mild fever, which began 3 weeks before admission. The chest PA and CT findings were consistent with pneumonia, but a microbiological study and bronchoscopic findings revealed no evidence of infection. Sirolimus-induced pneumonitis was suspected, so the sirolimus was stopped and high-dose steroids were initiated. The respiratory symptoms and radiologic findings improved dramatically after sirolimus withdrawal and the initiation of steroid treatment. These findings strongly suggest a casual relationship between sirolimus and pneumonitis. This is the first case of sirolimus-induced pneumonitis in Korea.
Calcineurin
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Cough
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Fever
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Humans
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Korea
;
Middle Aged
;
Pneumonia
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Sirolimus
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Steroids
;
Thorax
;
Transplants
9.A case of rhabdomyolysis during hospitalization for acute hepatitis A.
Soe Hee ANN ; Gun Hee AN ; Su Yeon LEE ; Ju Hyun OAK ; Hyung Il MOON ; Seol Kyung MOON ; Nam Ik HAN ; Young Sok LEE
The Korean Journal of Hepatology 2009;15(1):85-89
A 29-year-old man was admitted to hospital with fever, myalgia, and sore throat. Initial laboratory findings were compatible with acute hepatitis; he was positive for the serologic marker for acute hepatitis A. On the 3rd day of admission, in spite of normalization of body temperature and a reduction in serum liver enzyme levels, serum levels of creatinine phosphokinase had increased up to 16,949 U/L. The patient recovered with supportive therapy and was discharged on the 12th day. We report a case of acute hepatitis A complicated by rhabdomyolysis during hospitalization.
Acute Disease
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Adult
;
Alanine Transaminase/blood
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Aspartate Aminotransferases/blood
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Creatine Kinase/blood
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Hepatitis A/complications/*diagnosis
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Hospitalization
;
Humans
;
Male
;
Rhabdomyolysis/*diagnosis/etiology
10.Effect of Acid Pump Antagonist (Revaprazan, Revanex(R)) on Result of 13C Urea Breath Test in Patients with Helicobacter pylori Associated Peptic Ulcer Disease.
Ju Hyun OAK ; Woo Chul CHUNG ; Sung Hoon JUNG ; Kang Hyun CHOI ; Eun Jung KIM ; Bong Koo KANG ; Borami KANG ; Si Eun KONG ; Chang Nyol PAIK ; Kang Moon LEE
The Korean Journal of Gastroenterology 2011;57(1):8-13
BACKGROUND/AIMS: Revaprazan (Revanex(R)) is a novel proton pump inhibitor (PPI) that has a somewhat different effect on proton pump compared with the other PPI's, also (called as 'acid pump antagonist'). We aimed to examine the false negative rate of 13C-urea breath test (UBT) in the patients with Helicobacter pylori (H. pylori) associated peptic ulcer disease who were treated with revaprazan and evaluate the anti-urease activity of revaprazan. METHODS: Total 55 patients were enrolled in this study. They received EGD examination between January 2009 and December 2009 and diagnosed histologically as H. pylori associated peptic ulcer disease. All patients took revaprazan only. Three patients were excluded because of underlying chronic disease and inappropriate breath sampling. The remaining 52 patients had UBT at 0, 2 and 4 weeks of revaprazan use. After 2 weeks of the cessation of revaprazan, they had the fourth UBT. RESULTS: At 2 and 4 weeks, the false negative rates of UBT were 5.8% and 23.1%, respectively (p=0.05). After 2 weeks of the cessation, the cases of the false negative result were five. Four out of five patients had prolonged negative results on two or three successive tests, and baseline 13C difference value did not predict the false negative results. CONCLUSIONS: False negative results of UBT were common and increased with prolonged use of acid pump antagonist. As PPI, it had also anti-urease activity and most patients (47/52, 90.4%) reverted to positive results by 2 weeks after the cessation of taking the medication.
*Breath Tests
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Carbon Isotopes
;
False Negative Reactions
;
Female
;
Helicobacter Infections/complications/*diagnosis
;
*Helicobacter pylori
;
Humans
;
Male
;
Middle Aged
;
Peptic Ulcer/*drug therapy/microbiology
;
Proton Pump Inhibitors/*therapeutic use
;
Pyrimidinones/*therapeutic use
;
Tetrahydroisoquinolines/*therapeutic use
;
Urea/*diagnostic use