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( Do Hwa Im ),( Jung Mi Byun ),( Young Nam Kim ),( Eun Jeong Jeong ),( Hye Mi Eom ),( Mi Jeong Kim ),( En Bee Cho ),( Dae Hoon Jeong ),( Byung Jin Min ),( Kyung Bok Lee ),( Moon Su Sung ),( Ki Tae Kim 대한산부인과학회 2016 대한산부인과학회 학술대회 Vol.102 No.-
목적: To describe the incidence of placenta previa in nulliparous women and to assess risk factors between nulliparous and multiparous women with placenta previa after adjustment for pervious dilatation and curettage, in vitro fertilization (IVF), smoking, previous cesarean section and maternal age. 방법: A retrospective study was conducted based on the descriptive and statistical analysis risk factors of placenta previa and maternal and fetal prognosis of 221 patients who underwent cesarean section for placenta previa between January 2010 and December 2015 in Busan Paik hospital. We divided the patients into two groups, nulliparous women and multiparous women, and compared with cause of previa and prognosis. 결과: 106 patients (48.0%) was nulliparous women and 115 patients(52.0%) was mutiparous women. Placenta previa totalis was the most common type of previa but there was no significant difference between nulliparous women and multiparous women(43.9% vs 56.1%). Nulliparous women were younger than multiparous women(32.6±3.4 years old vs 34.5±4.5 years old, p=0.0005). Placental previa with risk factors was occurred in 141 patients( 63.8%) and the others, 80 patients(36.2%) showed placenta previa without risk factors. It was presented that no risk factor in nulliparous women was significantly many compared with multiparous women(61.2% vs 38.8%, p=0.0045). In the multiple logistic regression analysis the strongest independent risk factor of placenta previa was IVF between nulliparous and multiparous women(78.1% vs 21.9%, p=0.0003). There was no significant difference in the incidence of postpartum hemorrhage(PPH) but was significantly different in management. Cesarean hysterectomy for PPH was significantly increased in multiparous women(80.0% vs 20.0%, p=0.0352). 결론: Increasing maternal age and in vitro fertilization(IVF) treatment are all risk factors for placenta previa in nulliparous women in this study. Therefore the strategies to prevent placental previa in nulliparous women undergoing IVF are needed.
Higher incidence of sperm granuloma in the epididymis of C57BL/6N mice
Do-Yong Park,Byoung-Seok Lee,Woo-Jin Kim,Wan-Jung Im,Ji-Seok Han,Heejin Park,Mi-Jin Yang,Jae-Woo Cho,Da Hee Kim,Su-Cheol Han,Yong-Bum Kim,Hwa-Young Son 한국실험동물학회 2018 Laboratory Animal Research Vol.34 No.1
C57BL/6N mice are inbred strains widely used in biomedical research. Hence, a large amount of basic data has been accumulated. However, in the field of histopathology, spontaneous data for relatively younger mice that are used more frequently are not yet abundant, in contrast to data for older mice and their neoplastic lesions. To acquire the essential background data required by various research and toxicological assessments, 120 mice of the C57BL/6N strain (10 and 13 weeks of age) were collected from two institutions (From Korea and Japan) and subjected to histopathological analyses of the major organs (liver, spleen, kidney, thymus, heart, testis, epididymis). The results showed significantly higher incidence of sperm granulomas in the epididymides (10-56%) of these mice, compared with that in other strains or species of lab animals. Upon closer inspection, oligospermia/clear cell hyperplasia, cellular debris, and tubular vacuolation were also observed in the epididymides with sperm granulomas. Moreover, diseased organs were significantly heavier than healthy ones. Immunohistochemical staining showed a significant increase in the chromatic figures of cysteine-dependent aspartate-directed proteases-3 (caspase-3) and cleaved-poly(ADP-ribose) polymerase (c-PARP), and damages to the tubule due to spontaneous apoptosis, which may have led to the sperms leaking out of the tubule, causing the granuloma. To conclude, spontaneous sperm granuloma can occur in 10- and 13-week-old C57BL/6N mice and may thus affect the results of various studies using these mice. Therefore, sperm granuloma in epididymis needs to be carefully considered as an important factor when design the study using C57BL/6N.
Processed <i>Aloe vera</i> Gel Ameliorates Cyclophosphamide-Induced Immunotoxicity
Im, Sun-A,Kim, Ki-Hyang,Kim, Hee-Suk,Lee, Ki-Hwa,Shin, Eunju,Do, Seon-Gil,Jo, Tae Hyung,Park, Young In,Lee, Chong-Kil MDPI 2014 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.15 No.11
<P>The effects of processed <I>Aloe vera</I> gel (PAG) on cyclophosphamide (CP)-induced immunotoxicity were examined in mice. Intraperitoneal injection of CP significantly reduced the total number of lymphocytes and erythrocytes in the blood. Oral administration of PAG quickly restored CP-induced lymphopenia and erythropenia in a dose-dependent manner. The reversal of CP-induced hematotoxicity by PAG was mediated by the functional preservation of Peyer’s patch cells. Peyer’s patch cells isolated from CP-treated mice, which were administered PAG, produced higher levels of T helper 1 cytokines and colony-stimulating factors (CSF) in response to concanavalin A stimulation as compared with those isolated from CP-treated control mice. PAG-derived polysaccharides directly activated Peyer’s patch cells isolated from normal mice to produce cytokines including interleukin (IL)-6, IL-12, interferon-γ, granulocyte-CSF, and granulocyte-macrophage-CSF. The cytokines produced by polysaccharide-stimulated Peyer’s patch cells had potent proliferation-inducing activity on mouse bone marrow cells. In addition, oral administration of PAG restored IgA secretion in the intestine after CP treatment. These results indicated that PAG could be an effective immunomodulator and that it could prevent CP-induced immunotoxic side effects.</P>
( Chung-Hwa Park ),( Sung Won Lee ),( Hee Yeon Kim ),( Do Seon Song ),( Hyun Jin Kim ),( Myeong Jun Song ),( Jung Hyun Kwon ),( Chan Ran You ),( Jeong Won Jang ),( U Im Chang ),( Chang Wook Kim ),( So 대한간학회 2013 춘·추계 학술대회 (KASL) Vol.2013 No.1
Background: Entecavir, has demonstrated superior histologic, virologic, and biochemical benefit. Still, its long-term clinical outcome is not well established in the Korean clinical area, and also in subjects who stopped the treatment. Methods: This is a multicenter, retrospective cohort observational study to evaluate the efficacy of Entecavir long-term treatment in CHB patients at hospitals affiliated to the Catholic University of Korea through analysis of the electronic medical record data from January 1, 2006 to December 31, 2012. Results: Among 2,440 patients prescribed with entecavir 0.5mg qd, 1,337 patients were treatment naive. Excluding 533 patients with concomitant conditions, 578 patients were ontreatment and 226 patient stopped entecavir during the study period. At 6mo, year 1, 2, 3, 4 and 5, cumulative incidences of complete virologic response (HBV-DNA < 300 copies/mL) was 379, 530, 573, 577, 579 and 579, respectively. HBsAg loss rate was 9.86%, and among 440 HBeAg-positive patients, HBeAg loss rate and HBeAg loss with HBeAb positivity rate was 20.00% and 17.43%, respectively, at year 1. During the study period, 226 patients stopped entecavir, and at year 1 after cessation, cumulative virologic relapse (HBV-DNA>10^4 copies/ mL) and biochemical relapse (ALT>40 U/L) were 22.57% and 20.35%, respectively with mean days of 191.06±67.0 and 188.39±90.15, respectively. Prognotsic factor for earlier CVR was HBV-DNA<10^7cpm at initiating entecavir (P<0.005). Among those who stopped the medication, prognostic factor for virological relapse was HBV-DNA ≥10^7cpm at initiating entecavir (P=0.022). Conclusions: Long term use of entecavir may achieve CVR in most patients, and patients with higher viral load should be considered of indefinite duration of treatment regardless of age, sex, biochemical markers or HBeAg status.
Clinicopathologic factors influencing the accuracy of EUS for superficial esophageal carcinoma.
Jung, Jung Im,Kim, Gwang Ha,I, Hoseok,Park, Do Youn,Kim, Tae Kyun,Cho, Young Hwa,Sung, Yong Wan,Choi, Mun Ki,Lee, Bong Eun,Song, Geun Am WJG Press 2014 WORLD JOURNAL OF GASTROENTEROLOGY Vol.20 No.20
<P>To identify clinicopathologic factors influencing the accuracy of a high-frequency catheter probe endoscopic ultrasonography (EUS) for superficial esophageal carcinomas (SECs).</P>