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Ye Hyon Park,Se Hee Park,Ryeo Bin Lee,Hye-Yon Cho,Jung Bae Kang,Pong Rheem Jang,Min Sun Kyung 순천향대학교 순천향의학연구소 2018 Journal of Soonchunhyang Medical Science Vol.24 No.1
Objective: The purpose of this study was to compare clinical and surgical outcomes of robotic single-site hysterectomy (RSSH) and robot-assisted multiport hysterectomy (RH) in benign disease. Methods: We retrospectively reviewed the medical records of 38 women who underwent RSSH (N=12) or RH (N=26) for the treatment of benign uterine disease between June 2015 and November 2017. Results: There were no intergroup differences in parity, comorbidities, and number of previous abdominal surgery. Mean age was older (49.5±5.05 years vs. 44.4±3.54 years, P=0.001) and mean body mass index was higher (27.4±2.47 kg/m2 vs. 25.3±3.12 kg/ m2, P=0.045) in RSSH group than RH group. Surgical outcomes, including operative time (165.0 minutes vs. 159.2 minutes, P=0.727), estimated blood loss (115.8±33.15 mL vs. 108.1±56.42 mL, P=0.662), uterus weight (445.9±157.21 g vs. 374.5±197.91 g, P=0.291), postoperative hospital stay (5.4±0.51 days vs. 5.8±1.20 days, P=0.289), postoperative hemoglobin change in day 1 (1.8±0.89 g/dL vs. 1.4±1.53 g/dL, P=0.431) and day 3 (2.1±1.32 g/dL vs. 1.7±1.83 g/dL, P=0.601), and perioperative complications did not significantly differ between two groups. The use of additional analgesics after 6 hours, 24 hours, and 48 hours, and mean NRS score after 6 hours, 24 hours, and 48 hours were not significantly different between two groups. Conclusion: RSSH might be an effective and safe alternative to RH, even if in older and/or obese women with large uteri.
Novel Control Strategy of Wave Energy Converter Using Linear Permanent Magnet Synchronous Generator
Oh, Ye Jun,Park, Joon Sung,Hyon, Byong Jo,Lee, Ju IEEE 2018 IEEE transactions on applied superconductivity Vol.28 No.3
<P>This study proposes a damping control strategy for high-speed operation of a wave energy converter (WEC). The control strategy of WEC is based on the heave-motion (up/down motion) mechanism of buoy. The applied WEC system extracts power through damping control of the permanent magnet linear generator, which is directly connected to the buoy. This study first analyzed the mechanical dynamics of a WEC system. Further, a damping control method that could improve the extracted power for a wide speed range is examined. The results showed that the operating region could be expanded and the power extraction could be maximized using only the proposed software implementation, without requiring additional hardware. The validity and benefits of the proposed control algorithm were experimentally verified using a down-scaled WEC model.</P>
Dosimetry of a new P-32 ophthalmic applicator.
Choi, Chang Heon,Han, Hyon Soo,Son, Kwang-Jae,Park, Ul Jae,Lee, Jun Sig,Wee, Won Ryang,Ha, Sung Whan,Kim, Il Han,Ye, Sung-Joon The American Association of Physicists in Medicine 2011 Medical physics Vol.38 No.11
<P>The potential of P-32 ophthalmic applicator irradiation after pterygium excision has been demonstrated as an alternative to Sr???Y-90 irradiation. This study aimed to provide the clinical dosimetry for this new applicator.</P>
Kim, Hak Sun,Chong, Hyon Su,Nanda, Ankur,Park, Jin Oh,Moon, Seong Hwan,Lee, Hwan Mo,Kim, Ho Joong,Park, Chun Kun,Park, Ye Soo,Lee, Suk Ha,Moon, Eun Su Lippincott Williams Wilkins, Inc. 2010 Journal of spinal disorders & techniques Vol.23 No.6
STUDY DESIGN: A retrospective outcomes study. OBJECTIVE: To stress on the importance of early diagnosis with the help of angiography and proper treatment of vascular injuries occurring during thoracolumbar surgeries and to report our results. SUMMARY OF BACKGROUND DATA: Vascular injury is a rare but dangerous complication that can develop during thoracolumbar surgeries and if not treated properly then it can lead to severe complications including the death of the patient. METHODS: The patients included in this study were the ones who were suspected to have a possible vascular injury after a thoracolumbar surgery. Contrast enhanced computed tomography was performed for patients having clinical signs suggesting vascular injury. Among these patients, who were suspected to have active bleeding and major vessel injury on computed tomography were further subjected to angiography. RESULTS: Of the 10 cases included in the study, vascular injury was identified to be arterial in origin in 8 cases and venous in 3 cases. Among the 8 cases of identified arterial injury, angiography was performed in 4 cases, of which 3 were found to have active bleeding and were subjected to immediate intervention. Of the 4 cases in which angiography was not performed, 3 of them expired at variable postoperative periods. Complications developed in total 5 cases including 3 cases of mortality, 1 case of infection, and 1 case of cauda equina syndrome. CONCLUSIONS: The vascular injuries during thoracolumbar spinal surgeries need immediate and aggressive treatment. In arterial injuries, we can prevent serious consequences by subjecting the patient to an angiography as early as possible followed by a therapeutic embolization. In contrast, for venous injuries if hemostasis has been confirmed, then an immediate intervention may not be always required.
Lee, Soo-Jin,Park, Suzanne-H,Im, Jung-Hyeok,Sin, Ye-Sul,Ha, Hyon-Il,Shin, Sang-Woo,Kwon, Young-Kyu,Chae, Han The Society of Korean Medicine 2007 대한한의학회지 Vol.28 No.4
Objectives : The present study investigated the integrative relationships between Sasang typology, Holland's vocational typology, and Myers-Briggs type. Methods : The sample was composed of 83 sophomores at the College of Oriental Medicine, Daegu Hanny University (56 men, 27 women; ages 19 to 39, mean age ${\pm}$S. D. = 24.38 ${\pm}$ 5.28) and was carried out with the QSCC II, Holland inventory, and MBTI. SPSS 12.0 was employed for statistical analyses. Results : The Sasang types of the subjects were as followed: 21 Soyangin (10 men, 11 women) (25.3%), 20 Taeumin (18 men, 2 women) (24.1%), and 42 Soeumin (28 men, 14 women) (50.6%). There were no significant differences in the mean scores of Realistic, Investigative, Artistic, Social, Enterprising, or Conventional scale between the 3 Sasang types, but in the mean scores of Realistic, Investigative, and Artistic scale between the 4 MBTI combinations (Sensing-Thinking, Sensing-Feeling, Intuition-Thinking, and Intuition-Feeling type): F (3, 73) = 3.11, p < .05 in Realistic scale, F (2, 73) = 3.70, p < .05 in Investigative scale, and F (2, 73) = 5.60, p < .01 in Artistic scale. Conclusions : The present study discovered that the first preference for vocational aptitude of undergraduate students at the College of Oriental Medicinewas Investigative and the second preference was Artistic, which fitted Holland's vocational codes as Investigative/Artistic or Investigative/Social scale. The personality traits underlying Sasang typology play an important factor in making career decisions.
( Hye-yon Cho ),( Ryeobin Lee ),( Ye Hyon Park ),( Tae-yeem Lee ),( Sung-taek Park ),( Sung-ho Park ),( Jeong Bae Kang ),( Pong Rheem Jang ),( Min Sun Kyung ) 대한산부인과학회 2016 대한산부인과학회 학술대회 Vol.102 No.-
목적: To investigate the impact of laparoscopic hysterectomy (LH) on ovarian reserve by comparing changes of serum anti-Mullerian hormone (AMH) levels following LH (study group) and laparoscopic myomectomy (LM; control group). 방법: Serum AMH levels were measured pre-operatively (AMH0), 7 days (AMH1), 2 months (AMH2), and 6 months (AMH3) after LH and LM in 40 premenopausal women (LOC=20; LM=20). Changes of AMH were compared between two groups. 결과: Total 40 women included in this study (LOC=20; LM=20). At postoperative 6 months, 35 women checked AMH3. On the baseline data analysis, mean age was younger in LM group compared to LH group (p= 0.031). Parity and BMI was similar in both groups. AMH0 was similar in both groups (2.4 ± 2.72 in LM vs. 1.5 ± 3.52 in LH, p= 0.370). Also, AMH1, AMH2, and AMH3 were not different between the two groups. A rate of a significant decrease of AMH (more than 50% decrease compared to AMH0) at postoperative 6 months was not different between the two groups. 결론: Serum AMH levels were not significantly decreased after LH compared to LM, which suggests that LH may have no adverse effects on ovarian reserve comparing to LM. A long-term study of AMH levels is required.
The rates in developmental dysplasia of the hip in breech presentation in twins and triplets
( Eun Ji Oh ),( Seong Been Kim ),( Ye Hyon Park ),( Young Eun Lee ),( Su Been Hong ),( Jee Yoon Park ),( Kyung Jun Oh ),( Joon-seok Hong ) 대한산부인과학회 2019 대한산부인과학회 학술대회 Vol.105 No.-
Objective: To determine the incidence of developmental dysplasia of the hip (DDH) in breech presentation among multifetal pregnancies. Methods: This retrospective cohort study included 1256 consecutive live births who were born through cesarean section with at least one baby had been presented as non-cephalic presentation in each pregnancy from April 2013 to October 2018. Only births after 23+0 weeks of gestation were included. During analysis, neonates who had been presented as transverse lie in twins and triplets were excluded (n=39). In out institution, every baby is physically examined to assess the possibility of DDH by pediatricians and for the babies confirmed to be breech presentation during antenatal period, consultation to the orthopedists is routinely performed. The primary outcome was the diagnosis of DDH through ultrasonography. Results: The incidences of DDH diagnosed in neonates who had been presented as breech presentation antenatally were 5.1% (19/371) in singletons, 4.3% (20/463) in twins, and 8.1% (3/37) in triplets. In those three groups, the incidence of DDH was not significantly different. In twin pregnancy, the rate of DDH was significantly higher in breech presentations than cephalic presentations (4.3% vs. 0.3%, p<0.001). In the multivariate logistic regression analysis for the association between the incidence of DDH and various factors, breech presentation was the strongest and independent risk factor for the diagnosis of DDH (Odds ratio (OR) 8.9, 95% Confidence interval (CI) 2.1-38.3, p=0.003). Oligohydramnios and twin pregnancy were not statistically significant risk factors. however triplet pregnancy was found to be associated with DDH (OR 6.7, 95% CI 1.7-26.5, p=0.007). Conclusion: Pos Breech presentation is the strongest risk factor for the diagnosis of DDH even in the multifetal pregnancies.