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HELLP 증후군 산모에서 무통분만을 위해 시행한 경막외 진통법
윤채식(Chae Sik Yoon),이정윤(Jung Yun Lee),홍성주( 대한통증학회 1999 The Korean Journal of Pain Vol.12 No.2
Hemolysis, elevated liver enzymes and low platelets (HELLP) syndrome, a variant presentation of severe preeclampsia/eclampsia is associated with high maternal morbidity and mortality. Despite several advantages to the use of epidural analgesia for the management of labor pain in preeclamptic parturients, this procedure is relatively contraindicated in the presence of severe thrombocytopenia. Determining the pain management of choice depends on the parturients condition, fetal well-being, and the urgency of the situation. We report a safe case of epidural analgesia in a HELLP syndrome parturient with severe thrombocytopenia for labor pain management without any neurologic complications or epidural hematoma.
사람 Y 염색체 특이 DNA Probe의 개발과 이를 이용한 FISH 기술의 임상적 적용
류란숙,이상찬,이채식,김종흥,류은경,손시환,Ryu, Ran-Suk,Lee, Sang-Chan,Lee, Chae-Sik,Kim, Jong-Heung,Ryu, Eun-Koung,Sohn, Sea-Hwan 대한생식의학회 2000 Clinical and Experimental Reproductive Medicine Vol.27 No.4
Objective: The present study was undertaken to synthesize a human Y chromosome specific probe and to confirm the usefulness of the probe for fluorescence in situ hybridization (FISH) in various types of human cells. Methods: An approximately 400 bp DNA fragment of the DYZ1 sequences was synthesized by PCR using digoxigenin labeled dUTP (dig-PCR). The fidelity of probe was tested by FISH for cultured and uncultured human lymphocytes, amniocytes, chorionic villus cells, embryos, sperms, and germ cells of seminiferous tubule. Results: The human Y chromosome specific probe hybridized specifically to Y chromosome of the cells that had been tested. This probe assigned to the Yq12 region where the DYZ1 repetitive sequence is concentrated. Conclusion: We have identified a human Y chromosome specific probe that hybridized specifically to the Y chromosome by FISH for various types of uncultured as well as cultured cells. Therefore FISH technique using human Y chromosome specific probe should be useful for clinical application as a diagnostic tool for the detection of human Y chromosome.
돼지의 난포액 내 단백질인자의 탐색과 변화에 관한 연구
지미란,정희태,양부근,이채식,박춘근,Ji, Mi-Ran,Cheong, Hee-Tae,Yang, Boo-Keun,Lee, Chae-Sik,Park, Choon-Keun 한국동물번식학회 2010 Reproductive & developmental biology Vol.34 No.3
When fully grown oocytes are removed from their follicles, they can resume meiosis and mature spontaneously under in vitro conditions. However, nuclear maturation under in vitro condition is not accompanied by complete cytoplasmic maturation, which is essential for successful fertilization and the initiation of zygotic development. This study analyzed change of proteins in follicular fluids during the porcine follicular development. Follicular fluids were collected from follicles of diameter 1~2 mm, 2~6 mm and 6~10 mm in ovary of slaughtered pigs. Total proteins were extracted from follicular fluids by M-PER Mammalian Protein Extraction Reagent. We confirmed totally 27 same spots, 1 spot from follicle fluid of 2~6 mm follicle and 5 spots from follicle fluid of 6~10 mm in diameter were analyzed by MALDI mass spectrometry and searched on NCBInr. In results, spot No. 28 from 2~6 mm follicle was Ig lambda chain C region, and spot No.32 and 33 from 6~10 mm was Apolipoprotein A-(APOA4). Spot No.29 and 31 were failed to analyze. These results indicate that the porcine oocyte during in vitro maturation depend on specific different expressed proteins may play an important roles in the sequence of molecular events in porcine oocyte maturation and follicular development.
만성 안전형 협심증을 가진 대상포진 환자에서 요부 경막외 차단 후 발생한 불안전형 협심증
이준학(Jun Hak Lee),윤채식(Chae Sik Yoon),정은배(E 대한통증학회 1998 The Korean Journal of Pain Vol.11 No.1
Herpes zoster is a viral disease characterized by skin rash and persistent pain. Early treatment with epidural analgesia provides very effective pain relief and reduces the incidence of postherpetic neuralgia. However, epidural analgesia in elderly, deliberated or hypovolemic patients may complicate circulatory depression such as hypotension and bradycardia. Even if temporary, a major decrease in blood pressure may decrease coronary blood flow of patients with arteriosclerosis and ischemic accident may occur. We experienced a case of unstable angina pectoris after lumbar epidural blockade in a herpes zoster patient with chronic stable angina pectoris.
근근막 통증 증후군에서 Pressure Algometer 를 이용한 골격근 압통 역치에 관한 연구
권영은(Young Eun Kwon),이수종(Su Jong Lee),윤채식(Chae Sik Yoon),이준학(Jun Hak Lee) 대한통증학회 2001 The Korean Journal of Pain Vol.14 No.1
N/A Background: There is no reliable objective test for the diagnosis of myofascial pain syndromes. The aim of this study was to evaluate the usefulness of a pressure algometer for the diagnosis of the trigger points and for the evaluation of the treatment in myofascial pain syndromes (MPS). Methods: Twenty female patients with clinical MPS of shoulder were included in this study. Pressure pain thresholds were measured by a pressure algometer at three different sites including the trapezius, supraspinatus and infraspinatus before, and then the 1st, 3rd and 7th days after TPI. Results: Mean pressure pain thresholds were lower in patients with MPS in than normal volunteers in all the examined skeletal muscles. Mean pressure pain thresholds in patients with MPS were increased significantly after TPI in all the examined skeletal muscles. Conclusions: Pressure algometer can be used as relatively objective diagnostic tool for locating trigger points and to quantify the effect of TPI in MPS. However, more investigation is necessary.