1.Color stability, water sorption and cytotoxicity of thermoplastic acrylic resin for non metal clasp denture.
Dae Eun JANG ; Ji Young LEE ; Hyun Seon JANG ; Jang Jae LEE ; Mee Kyoung SON
The Journal of Advanced Prosthodontics 2015;7(4):278-287
PURPOSE: The aim of this study was to compare the color stability, water sorption and cytotoxicity of thermoplastic acrylic resin for the non-metal clasp dentures to those of thermoplastic polyamide and conventional heat-polymerized denture base resins. MATERIALS AND METHODS: Three types of denture base resin, which are conventional heat-polymerized acrylic resin (Paladent 20), thermoplastic polyamide resin (Bio Tone), thermoplastic acrylic resin (Acrytone) were used as materials for this study. One hundred five specimens were fabricated. For the color stability test, specimens were immersed in the coffee and green tee for 1 and 8 weeks. Color change was measured by spectrometer. Water sorption was tested after 1 and 8 weeks immersion in the water. For the test of cytotoxicity, cell viability assay was measured and cell attachment was analyzed by FE-SEM. RESULTS: All types of denture base resin showed color changes after 1 and 8 weeks immersion. However, there was no significant difference between denture base resins. All specimens showed significant color changes in the coffee than green tee. In water sorption test, thermoplastic acrylic resin showed lower values than conventional heat-polymerized acrylic resin and thermoplastic polyamide resin. Three types of denture base showed low cytotoxicity in cell viability assay. Thermoplastic acrylic resin showed the similar cell attachment but more stable attachment than conventional heat-polymerized acrylic resin. CONCLUSION: Thermoplastic acrylic resin for the non-metal clasp denture showed acceptable color stability, water sorption and cytotoxicity. To verify the long stability in the mouth, additional in vitro studies are needed.
Cell Survival
;
Coffee
;
Denture Bases
;
Dentures*
;
Immersion
;
Mouth
;
Nylons
;
Water*
2.Attitude Toward Antipsychotic Treatment According to Patients' Awareness of the Name of Their Illness in Patients with Schizophrenia.
Ji Eun JANG ; Sung Wan KIM ; Yo Han LEE ; Seon Young KIM ; Kyung Yeol BAE ; Jae Min KIM ; Il Seon SHIN ; Jin Sang YOON
Korean Journal of Schizophrenia Research 2012;15(2):106-113
OBJECTIVES: This study compared attitudes toward antipsychotic treatment according to awareness of the name of their illness in patients with schizophrenia. METHODS: Information on sociodemographic and clinical characteristics, including awareness of the importance of antipsychotic treatment, was obtained through a self-report questionnaire. The Drug Attitude Inventory (DAI) was administered. The data were compared according to awareness of the name of their illness. RESULTS: The study analyzed data for 199 patients with schizophrenia. Of these, 115 patients (57.8%) were aware that their illness was called schizophrenia, while 84 patients (42.2%) knew it by their psychotic symptoms or as another mental illness, such as depression. The patients aware of the name of their illness had significantly longer durations of illness and higher scores on the DAI. They were significantly more likely to have stopped taking medication on their own accord and to agree with the importance of antipsychotic treatment. Statistical significance was sustained in a logistic regression analysis after adjusting for the duration of illness and study site, except for the DAI score, which had borderline significance (p=0.055). In subjects with duration of illness > or =5 years, patients aware of the name of their illness had significantly higher scores on the DAI. CONCLUSION: Awareness of the name of their illness was associated with awareness of the importance of, and a positive attitude toward, antipsychotic treatments in patients. Psycho-education, including telling the patient the correct name of his or her illness, might be needed for maintaining antipsychotic treatment in patients with chronic schizophrenia.
Antipsychotic Agents
;
Depression
;
Humans
;
Logistic Models
;
Surveys and Questionnaires
;
Schizophrenia
3.A Systematic Review on the Effectiveness of Detection of M. tuberculosis and Rifampin Resistance Using Xpert MTB/RIF.
Ji Young JEONG ; Seon Heui LEE ; Sunyoung JANG
Annals of Clinical Microbiology 2014;17(2):42-49
BACKGROUND: The purpose of this study was to evaluate the effectiveness of Xpert MTB/RIF (Cepheid, USA) in the detection of Mycobacterium tuberculosis and to determine rifampin resistance. METHODS: The literature review covered the period from 16 August 2011 to 1 October 2011, and eight domestic databases and foreign databases including Ovid-Medline, Embase, and Cochrane Library were used. Key words, such as 'Rifampin, Polymerase Chain Reaction,' 'GeneXpert' and 'Xpert MTB-RIF' were used to search a total of 1,385 documents. The SIGN (Scottish Intercollegiate Guidelines Network) tool was used to evaluate the quality of the 20 selected studies. RESULTS: Test accuracy for the detection of M. tuberculosis was assessed on the basis of 20 studies using the M. tuberculosis culture test as the reference standard. The acid-fast bacteria smearing test had a sensitivity in the range of 0.69-1.00, specificity in the range of 0.72-1.00 and test accuracy in the range of 0.75-1.00. Test accuracy regarding rifampin resistance was assessed on the basis of 17 studies. Using an anti-tuberculosis agent sensitivity test as the reference standard, the sensitivity, specificity and test accuracy of real-time, nested PCR were in the ranges of 0.75-1.00, 0.96-1.00 and 0.95-1.00, respectively. CONCLUSION: Xpert MTB/RIF is a useful test for patients suspected of having rifampin-resistant tuberculosis.
Bacteria
;
Humans
;
Mycobacterium tuberculosis
;
Polymerase Chain Reaction
;
Rifampin*
;
Tuberculosis*
4.Effect of Intrathecal Neostigmine on Post-Cesarean Section Analgesia.
Sang Seon CHO ; Ji Su KIM ; Chan Jong CHUNG ; In Suk HAN ; Sa Chung JANG
Korean Journal of Anesthesiology 1998;35(3):545-552
BACKGROUND: Intrathecal (IT) neostigmine produces analgesia in animal and human. This study was designed to evaluate the efficacy and safety of IT neostigmine for post-cesarean section analgesia. METHODS: Forty-five women undergoing cesarean section under spinal anesthesia were randomly assigned into 3 groups to receive; normal saline 0.2 ml, or neostigmine 12.5 microgram, or neostigmine 25 microgram intrathecally with 0.5% hyperbaric bupivacaine 12 mg. Degrees of sensory and motor blocks, maternal hemodynamic changes, and side effects were recorded. Apgar scores and umbilical vein blood gas analysis (UVBGA) were checked for evaluation of fetal status. Postoperative analgesia was provided by intravenous patient-controlled analgesia (PCA) using fentanyl 500 microgram and ketorolac 150 mg in 100 ml. Pain scores with 10-cm visual analogue scale (VAS), time to first PCA use, cumulative PCA consumptions, and side effects were assessed at 1, 2, 4, 8, 12, 24, and 48 hr after IT injection. RESULTS: There were no significant differences among the three groups in characteristics of spinal anesthesia, maternal blood pressure and heart rate, Apgar scores, and UVBGA data. Compared to saline group, IT neostigmine significantly prolonged time to first PCA use and decreased 24 hr- and 48 hr-PCA consumptions (P<0.05). Pain scores in neostigmine groups were significantly lower than those in saline group for first 4 hr after which there were no differences among the three groups. There were significantly higher incidences of nausea and vomiting in neostigmine groups than in saline group. CONCLUSIONS: These data indicate that IT neostigmine can be an alternative postoperative analgesic without adverse fetal effects for cesarean section. However, high incidence of nausea and vomiting seem to limit its clinical usefulness. Further studies are necessary to enhance its analgesic effects and to decrease its adverse effects.
Analgesia*
;
Analgesia, Patient-Controlled
;
Anesthesia, Spinal
;
Animals
;
Blood Gas Analysis
;
Blood Pressure
;
Bupivacaine
;
Cesarean Section
;
Female
;
Fentanyl
;
Heart Rate
;
Hemodynamics
;
Humans
;
Incidence
;
Ketorolac
;
Nausea
;
Neostigmine*
;
Passive Cutaneous Anaphylaxis
;
Pregnancy
;
Umbilical Veins
;
Vomiting
5.Unilateral Chronic Organizing Hematoma after Breast Explantation Mimicking Chest Wall Tumor:a Case Report with Imaging Features
Seon Woong JANG ; Ji Young LEE
Investigative Magnetic Resonance Imaging 2022;26(1):76-81
The number of women undergoing breast augmentation surgery with a prosthesis for cosmetic purposes or reconstruction after a mastectomy is steadily increasing.Hematoma is one of complications associated with breast augmentation surgery.It usually occurs early in the postoperative period. It rarely occurs late (after six months). However, chronic hematomas after prosthesis removal have not yet been reported in the radiological literature. We present a case of unilateral chronic organizing hematoma that developed late and grew persistently over long period after breast explantation, mimicking a soft tissue tumor of the chest wall clinically. Meanwhile, characteristic magnetic resonance imaging features of heterogeneous signal intensities on T1-weighted and T2-weighted images and dark signal intensity with a persistent enhancement of the peripheral wall of the lesion were found. These can be used for a differential diagnosis.
6.Erratum: A comparison of postoperative emergence agitation between sevoflurane and thiopental anesthesia induction in pediatric patients (Korean J Anesthesiol 2015 Aug; 68(4): 373-378).
Ji Seon SON ; Eunjoo JANG ; Min Wook OH ; Ji Hye LEE ; Young Jin HAN ; Seonghoon KO
Korean Journal of Anesthesiology 2016;69(1):100-100
The original article contained an error in Figure and Figure legend.
7.A Case of the Uterus Didelphys with Unilateral Obstructed Hemivagina.
Moon Hee YOUN ; Min Jung KWAK ; Ji Uen KIM ; Mun Geon JANG ; Seon Ha JOO ; Keon JIN
Korean Journal of Obstetrics and Gynecology 2004;47(8):1620-1624
Uterus didelphys with unilateral obstructed hemivagina is indeed a very rare congenital anomaly due to M llerian duct malformation. The most common clinical presentation is pelvic pain and dysmenorrhea shortly after menarche, in associated with the finding of a vaginal or pelvic mass. An accurate and prompt diagnosis is of importance to permit treatment and to assure the future fertility of the patient. The simple and adequate treatment of the condition is incision of the obstructed vaginal septum providing adequate drainage of the retained blood. We report a case of uterus didelphys with obstructed hemivagina with brief review of the literature.
Diagnosis
;
Drainage
;
Dysmenorrhea
;
Female
;
Fertility
;
Humans
;
Menarche
;
Pelvic Pain
;
Uterus*
8.Cytologic Distinctive Features of Brenner Tumor.
Jung Sik JANG ; An Na SEO ; Seon Jae LEE ; Ji Young PARK
Korean Journal of Pathology 2011;45(2):223-226
Herein, we present two cases of Brenner tumor, a rarely occurring neoplasm in the ovaries, obtained via intraoperative fine needle aspiration. The borderline Brenner tumor exhibited marked squamous metaplasia, characterized by individually distributed atypical squamous cells. A benign Brenner tumor associated with mucinous cystadenoma evidenced typical mucinous metaplastic features and transitional foci. These distinctive features may prove helpful in differential diagnosis of varied ovarian tumors, and particularly for intraoperative consultation.
Biopsy, Fine-Needle
;
Brenner Tumor
;
Cystadenoma, Mucinous
;
Diagnosis, Differential
;
Female
;
Metaplasia
;
Mucins
;
Ovary
9.A comparison of desflurane consumption according to fresh gas flow.
Deokkyu KIM ; Ji Seon SON ; Jun Rae LEE ; Eunjoo JANG ; Seonghoon KO
Korean Journal of Anesthesiology 2014;67(Suppl):S13-S14
No abstract available.