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양회경(HG Yang),이해혁(HH Lee),이정재(JJ Lee),이명환(MH Lee),구도형(DH Koo),전섭(S Jeon),최경훈(GH Choi),이항재(HJ Lee),신정옥(JO Shin),이임순(IS Lee),이권해(KH Lee) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.4
Objective: Our purpose was to test the hypothesis that characteristics of the cervix evaluated by transvaginal ultrasonography are associated with preterm labor and preterm delivery. Methods: Fifty-one patients with preterm labor of singleton pregnancy admitted to the hospital were evaluated by transvaginal ultrasonography before institution of treatment. Preterm delivery was defined as any delivery before 37 weeks of gestation. The ultrasonographic parameters evaluated were cervical length and presence of wedging. Data analysis was performed by the student t test and chi-square test. The p value < 0.05 was considered significant. Results: The presence of cervical wedging and shorter cervical length were significantly associated with preterm delivery[p<0.001]. The presence of cervical wedging in the prediction of preterm delivery in this data set yielded a sensitivity of 100%, a specificity of 81.6%, a positive predictive value of 65%, and a negative predictive value of 100%. The cervical length ≤ 29mm in the prediction of preterm delivery in this data set yielded a sensitivity of 100%, a specificity of 89.5%, a positive predictive value of 76.2%, and a negative predictive value of 100%. Conclusion: The presence of cervical wedging and shorter cervical length in patients with preterm labor measured by transvaginal ultrasonography are useful as a predictor of preterm delivery.
정상 임신부에서 혈청내 Interleukin-2와 Tumor Necrosis Factor-α 값의 변화
김동희(DH Kim),이순곤(SG Lee),최경훈(GH Choi),이슬기(SK Lee),양회경(HG Yang),이해혁(HH Lee),이임순(IS Lee) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.7
Objective: Because the fetus exists immunologically as a semiallograft, pregnancy loss may be a manifestation of host versus graft rejection in some cases. So we undertook a preliminary study to determine IL-2 and TNF-α levels in serum during normal pregnancy. Methods: Samples were taken for serum TNF-α and IL-2 enzyme linked immunosolvent assays [ELISA: R&D systems, Minneapolis, MN] from 50 pregnant women without any complications, 30 healthy non pregnant women and 5 women with at least two previous abortions between 6-14 weeks. 5 women had symptoms of an threatened abortions as evidenced by a vaginal bleeding and ultimately had a third abortion. Statistical analysis was used student t test. Results: Serum IL-2 levels were determined respectively 11.0 22.5pg/mL and 66.2 47.5pg/mL in control and normal pregnant women. The peak IL-2 level was reached as early as the first month and was stable during pregnancy. Serum TNF-α levels were determined respectively 11.6 28.1pg/mL and 11.4 21.8pg/mL in control and normal pregnant women. Serum TNF-α levels in women with unexplained recurrent abortion were 29-34pg/mL. Conclusions: In normal pregnant women we found an increase in serum levels of IL-2 compared to the non-pregnant women. As regards serum levels of TNF-α, no differences could be observed between normal pregnant and non-pregnant women. In women with URA an increase in serum levels of TNF-α were found compared to the normal pregnant women.