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      • Efficacy of Ultrasound Diagnosis in Suspicious Appendicitis during Pregnancy

        ( Ji Youn Kim ),( Meong Hi Hahn ),( Geum Joon Cho ),( Sun Chul Hong ),( Min Jeong Oh ),( Hai Joong Kim ) 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.98 No.-

        Ultrasound(US) is initially considered for suspicious acute appendicitis during pregnancy, even though sensitivity and specificity are not as high as CT or MRI but it is not exposed to radiation and inexpensive by comparison. This study evaluated the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of ultrasound of pregnant patients with suspicious acute appendicitis. The records of all patients who underwent appendectomy during pregnancy at the Korea university hospital between January 2000 and December 2011 were reviewed and analyzed. 83.6% of the patients, 92 patients from the total of 110 patients who had appendectomy due to suspicious appendicitis, were finally confirmed by pathology. From the total patients, 73 had US before the operation, and 72.6% of the patients (53 patients) had same result as US findings. From this US study, sensitivity was 78.3, specificity was 46.2, PPV was 87.0, and NPV was 31.6. Appendectomy has been primarily considered in suspicious appendicitis during pregnancy due to high fetal mortality and morbidity, but negative appendectomy may also result in poor perinatal outcome. Based on this study, accuracy rate was lower for the patients who had US before the operation. As a result, another method should be considered as additional procedure in case of doubtful findings during pregnancy. Although US is commonly used for primary method of diagnosis of appendicitis for pregnant patients, this study shows US may not be accurate and reliable.

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        Three-dimensional volumetric gray-scale uterine cervix histogram prediction of days to delivery in full term pregnancy

        ( Ji Youn Kim ),( Hai Joong Kim ),( Meong Hi Hahn ),( Hye Jin Jeon ),( Geum Joon Cho ),( Sun Chul Hong ),( Min Jeong Oh ) 대한산부인과학회 2013 Obstetrics & Gynecology Science Vol.56 No.5

        Objective Our aim was to figure out whether volumetric gray-scale histogram difference between anterior and posterior cervix can indicate the extent of cervical consistency. Methods We collected data of 95 patients who were appropriate for vaginal delivery with 36th to 37th weeks of gestational age from September 2010 to October 2011 in the Department of Obstetrics and Gynecology, Korea University Ansan Hospital. Patients were excluded who had one of the followings: Cesarean section, labor induction, premature rupture of membrane. Thirty-four patients were finally enrolled. The patients underwent evaluation of the cervix through Bishop score, cervical length, cervical volume, three-dimensional (3D) cervical volumetric gray-scale histogram. The interval days from the cervix evaluation to the delivery day were counted. We compared to 3D cervical volumetric gray-scale histogram, Bishop score, cervical length, cervical volume with interval days from the evaluation of the cervix to the delivery. Results Gray-scale histogram difference between anterior and posterior cervix was significantly correlated to days to delivery. Its correlation coefficient (R) was 0.500 (P = 0.003). The cervical length was significantly related to the days to delivery. The correlation coefficient (R) and P-value between them were 0.421 and 0.013. However, anterior lip histogram, posterior lip histogram, total cervical volume, Bishop score were not associated with days to delivery (P >0.05). Conclusion By using gray-scale histogram difference between anterior and posterior cervix and cervical length correlated with the days to delivery. These methods can be utilized to better help predict a cervical consistency.

      • Three-dimensional volumetric gray-scale uterine cervix histogram prediction of days to delivery in full term pregnancy

        김지연 ( Ji Youn Kim ),( Hai Joong Kim ),( Meong Hi Hahn ),( Hye Jin Jeon ),( Geum Joon Cho ),( Sun Chul Hong ),( Min Jeong Oh ) 대한산부인과학회 2014 대한산부인과학회 학술대회 Vol.100 No.-

        Objective: Our aim was to figure out whether volumetric gray-scale histogram difference between anterior and posterior cervix can indicate the extent of cervical consistency. Methods: We collected data of 95 patients who were appropriate for vaginal delivery with 36th to 37th weeks of gestational age from September 2010 to October 2011 in the Department of Obstetrics and Gynecology, Korea University Ansan Hospital. Patients were excluded who had one of the followings: Cesarean section, labor induction, premature rupture of membrane. Thirty-four patients were finally enrolled. The patients underwent evaluation of the cervix through Bishop score, cervical length, cervical volume, three-dimensional (3D) cervical volumetric gray-scale histogram. The interval days from the cervix evaluation to the delivery day were counted. We compared to 3D cervical volumetric gray-scale histogram, Bishop score, cervical length, cervical volume with interval days from the evaluation of the cervix to the delivery. Results: Gray-scale histogram difference between anterior and posterior cervix was significantly correlated to days to delivery. Its correlation coefficient (R) was 0.500 (P = 0.003). The cervical length was significantly related to the days to delivery. The correlation coefficient (R) and P-value between them were 0.421 and 0.013. However, anterior lip histogram, posterior lip histogram, total cervical volume, Bishop score were not associated with days to delivery (P >0.05). Conclusion: By using gray-scale histogram difference between anterior and posterior cervix and cervical length correlated with the days to delivery. These methods can be utilized to better help predict a cervical consistency.

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