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Search Results: 1 - 10 of 53143 matches for " Hye Sun Lee "
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Single port laparoscopic hysterectomy: Feasibility and safety  [PDF]
Soon Pyo Lee, Sun Hye Yang, Chun Hoe Ku, Sung Ho Lee, Jin Woo Shin
Open Journal of Obstetrics and Gynecology (OJOG) , 2013, DOI: 10.4236/ojog.2013.37A2001
Abstract:

Objective: To evaluate the feasibility and safety of single-port laparoscopic hysterectomy comparing with multi-port laparoscopic hysterectomy in treatment of benign uterine diseases. Methods: Data were collected retrospectively by review of the medical records of 252 patients who underwent multi-port or single-port laparoscopic surgery for treatment of benign gynecologic diseases. Laparoscopy assisted vaginal hysterectomy (LAVH) was performed for single-port surgery and LAVH and total laparoscopic hysterectomy (TLH) were performed for multi-port surgery. Demographic variables were collected and analyzed by independent t-test and Pearson Chi-Square test. The primary outcome was analyzed by independent t-test and Fisher’s Exact test. Results: A longer operative time was observed in the multi-port surgery group compared with that of the single-port group (p < 0.05). No difference with respect to change of Hemoglobin between the preoperative level and that of the postoperative first day, the number of days from the operation to discharge, uterine weight, and the rate of laparotomy conversion and complications were observed between the two groups. Conclusion: Single-port laparoscopic hysterectomy for treatment of benign uterine diseases is a safe and feasible method.

Mucoid Degeneration of Posterior Cruciate Ligament Leads to Roof Impingement with Anterior Cruciate Ligament: Case Report  [PDF]
Su Chan Lee, Kyung Won Choi, Chang Hyun Nam, Seung Hyun Hwang, Hye Sun Ahn
Open Journal of Orthopedics (OJO) , 2018, DOI: 10.4236/ojo.2018.82006
Abstract: Mucoid degeneration of cruciate ligament is rare cause of knee pain, however there are some cases causing pain and restriction of extension. A 60-year-old man came to our clinic complaining of pain in knee joint on full range of extension about 3 months ago. The range of motion (ROM) was a flexion contracture of 5 degree and a further flexion of 140 degree with pain aggravation by forced extension. Magnetic resonance imaging of the knee joint showed thickened posterior cruciate ligament (PCL) mucoid degeneration. Arthroscopic treatment consists of PCL reduction-plasty by debridement of yellowish material in the PCL fiber and reduces the volume of the hypertrophied PCL. Immediately after surgery, patient gain the full ROM without any symptom of impingement. Enlarged PCL can make impingement in femoral notch with anterior cruciate ligament (ACL). Then, Partial debulking surgery of PCL is an effective treatment to pain relief and restore ROM of knee.
The Clinical Characteristics of Combined Deep Vein Thrombosis Prophylaxis of Rivaroxaban and Mechanical Therapy after Total Knee Replacement Arthroplasty  [PDF]
Su Chan Lee, Chang Hyun Nam, Hye Sun Ahn, Bo Hyun Hwang, Jong Won Kim, Ha Young Park
Open Journal of Orthopedics (OJO) , 2013, DOI: 10.4236/ojo.2013.31004
Abstract: Purpose: To investigate the clinical characteristics of combined prophylaxis of rivaroxaban (Xarelto?) and mechanical therapy (foot sole pump, antiembolism stocking) after total knee replacement arthroplasty, for prevention of deep vein thrombosis (DVT). Materials and Methods: The subjects of this study were 110 patients who underwent total knee replacement arthroplasty (TKA) between November 2011 and May 2012, and were prospectively evaluated. They consisted of 13 men (11.8%) and 97 women (88.2%) with the mean age of 68.7 years (±7.9). All of the patients received 10 mg of rivaroxaban once daily for 14 days from Day 1 postoperatively, and used an intermittent pneumatic compression (IPC) pump and compression stockings immediately after the operation. To determine the presence of postoperative DVT, clinical symptoms examination, D-dimer test, color Doppler ultrasound imaging were performed to analyze the risk factors of DVT events. Results: There were a total of 13 patients (11.8%) with DVT in the distal lower limbs among the entire 110 patients. At Day 4 after the operation, a statistically significant difference was seen only in femoral swelling of several clinical symptoms between DVT group and non-DVT group (p = 0.043). D-dimer tests showed no statistically significant difference between the two groups, however with the boundary value of 0.3 mg/L, diagnostic sensitivity, specificity, positive predictability and negative predictability were equivalent to 100%, 8.2%, 12.7% and 100%, respectively. There was no significant difference between the two groups in terms of well-known risk factors including age, gender, obesity, hypertension, diabetes, smoking, and anesthesia method, and no case of pulmonary embolism was observed. Conclusion: A combination of pharmacological therapy (rivaroxaban,
The effects of EMLA cream on pain responses of preschoolers  [PDF]
Se Na Ahn, Joohyun Lee, Hae Won Kim, Sook Bin Im, Byung Sun Cho, Hye Young Ahn
Open Journal of Nursing (OJN) , 2013, DOI: 10.4236/ojn.2013.38A001
Abstract:

The aim of present study was to assess the effects of a eutectic mixture of topical anesthetics (EMLA cream) on pain responses of preschoolers during venipuncture. The pain responses were reported by children, nurses, and the children’s mothers. The pre- and post-test-designed study, which included a non-equivalent control group, was carried out in a pediatric unit at E University Hospital in South Korea. Pain responses during venipuncture were measured by the self-reporting of the children using the Face Pain Rating Scale (FPRS), the Procedure Behavior Checklist by nurses (PBCL), the Visual Analog Scale (VAS) by mothers, in addition to measurements of the children’s pulse rate and level of oxygen saturation. EMLA cream was effective in decreasing the pain responses of the children as assessed by FPRS, PBCL, and VAS scores. However, pulse rate and level of oxygen saturation of the children during venipuncture were not significantly different between the two groups. EMLA cream could be a useful option for reducing pain in preschool children during invasive procedures.

Comparison of Clinical Results in Deep Vein Thrombosis of Total Knee Arthroplasty with Rivaroxaban and Dalteparin Sodium  [PDF]
Su Chan Lee, Chang Hyun Nam, Hye Sun Ahn, Seung Hyun Hwang, Nong Kyum Ahn, Ha Young Park
Open Journal of Orthopedics (OJO) , 2015, DOI: 10.4236/ojo.2015.52003
Abstract: This study was intended to investigate into the incidence rates of deep vein thrombosis (DVT) in patients who used prophylactic antithrombotic medications after total knee arthroplasty (TKA), and to compare clinical results in groups treated with Rivaroxaban versus Dalteparin sodium as prophylactic antithrombotic medications. This prospective study was performed in 300 patients who underwent TKA between November 2011 and December 2012. The prophylactic therapy was given to 150 patients in Rivaroxaban group and Dalteparin sodium group, respectively. In addition, intermittent compression pump and stocking were used in all the groups immediately after TKA. In order to determine the incidence of DVT, color Doppler ultrasonography, D-dimer, and clinical symptom examination were conducted. There were 17 cases (11.3%) of DVT in Rivaroxaban group and 18 cases (12.0%) of DVT in Dalteparin sodium group after TKA, and no significant difference was seen between both groups. Between patients with DVT and those without DVT after TKA at 4 days in both groups, there was a significant difference in the swelling indices. Moreover, a significant difference was observed in the evaluation of bruise. The early signs of DVT after TKA are unknown, however, some initial clinical signs such as swelling have been observed. After using the said prophylactic drugs, the lower incidence of DVT was seen, and there was no difference between the types of drugs. Pharmacological therapy (either Rivaroxaban or Dalteparin sodium) after TKA is considered effective for DVT prevention. There is also a need to consider constant monitoring of clinical symptoms.
Treatment of Bone Defect with Modular Metal Augmentation Using a Downsized Block in Total Knee Arthroplasty: Technical Note and Report of 17 Cases  [PDF]
Su Chan Lee, Chang Hyun Nam, Seung Hyun Hwang, Ji-Hoon Baek, Soon Yong Yoo, Hye Sun Ahn
Open Journal of Orthopedics (OJO) , 2016, DOI: 10.4236/ojo.2016.69035
Abstract: In total knee arthroplasty (TKA), a treatment of bone defect varies depending on the location and extent of defect and requires proper surgical procedure. Metal augmentation is readily available for both femoral and tibial bone defects. We report the operative technique of modular metal augmentation using a downsized block for ambiguous proximal tibial and distal femoral bone defects in primary and revision TKA. Regarding bone defects, bone loss can be minimized by using a different size of metal augmentation, and suitable reinforcement for bone defects can be achieved. Once our technique is properly used, it will be very helpful in treating bone defects.
Macrophage PD-L1 strikes back: PD-1/PD-L1 interaction drives macrophages toward regulatory subsets  [PDF]
Yun-Jung Lee, Young-Hye Moon, Kyeong Eun Hyung, Jong-Sun Yoo, Mi Ji Lee, Ik Hee Lee, Byung Sung Go, Kwang Woo Hwang
Advances in Bioscience and Biotechnology (ABB) , 2013, DOI: 10.4236/abb.2013.48A3003
Abstract:

Activated macrophages have been simply de?ned as cells that secrete in?ammatory mediators and kill intracellular pathogens until few years ago. Recent studies have proposed a new classification system to separate activated macrophages based on their functional phenotypes: host defense, wound healing, and immune regulation. Regulatory macrophages can arise following innate or adaptive immune responses and hinder macrophage-mediated host defense and inflammatory functions by inhibiting the production of pro-inflammatory mediators. In this study, we investigated whether PD-1 and PD-L1 interaction between macrophages and T cells alters macrophage activities. Our data provide evidence for PD-1/PD-L1 engagement inducing a regulatory profile in macrophages. Regulatory macrophages derived from PD-L1 signaling lost their host defense activity, which consists of the production of pro-inflammatory cytokine IL-6 and the exhibition of increased IL-10, SPHK1 and LIGHT gene levels in early phases of LPS stimulation. This differentiation seems to occur through excessive activation of TLR4 downstream MAPK signaling pathways. Regulatory macrophages induced from PD-1/PD-L1 interaction decrease inflammatory mediators and produce anti-inflammatory cytokines, so this macrophage subset has been under considerable attention as a possible immune regulation mechanism. Understanding and modulating regulatory macrophages may lead to new approches to treat or prevent auto-immune diseases such as type I diabetes, rheumatic syndrome and hypersensitivity-related diseases, which are concerned with the overproduction of inflammatory cytokines in macroages.

Chest Wall Fibromatosis in the Axilla
Seung-Hyun Lee,Hye-Kyung Lee,Ji-Sun Song,Hii-Sun Jeong
Archives of Plastic Surgery , 2012, DOI: http://dx.doi.org/10.5999/aps.2012.39.2.175
Abstract:
Fermentation of Soy Milk via Lactobacillus plantarum Improves Dysregulated Lipid Metabolism in Rats on a High Cholesterol Diet
Yunhye Kim, Sun Yoon, Sun Bok Lee, Hye Won Han, Hayoun Oh, Wu Joo Lee, Seung-Min Lee
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0088231
Abstract: We aimed to investigate whether in vitro fermentation of soy with L. plantarum could promote its beneficial effects on lipids at the molecular and physiological levels. Rats were fed an AIN76A diet containing 50% sucrose (w/w) (CTRL), a modified AIN76A diet supplemented with 1% (w/w) cholesterol (CHOL), or a CHOL diet where 20% casein was replaced with soy milk (SOY) or fermented soy milk (FSOY). Dietary isoflavone profiles, serum lipids, hepatic and fecal cholesterol, and tissue gene expression were examined. The FSOY diet had more aglycones than did the SOY diet. Both the SOY and FSOY groups had lower hepatic cholesterol and serum triglyceride (TG) than did the CHOL group. Only FSOY reduced hepatic TG and serum free fatty acids and increased serum HDL-CHOL and fecal cholesterol. Compared to CHOL, FSOY lowered levels of the nuclear forms of SREBP-1c and SREBP-2 and expression of their target genes, including FAS, SCD1, LDLR, and HMGCR. On the other hand, FSOY elevated adipose expression levels of genes involved in TG-rich lipoprotein uptake (ApoE, VLDLR, and Lrp1), fatty acid oxidation (PPARα, CPT1α, LCAD, CYP4A1, UCP2, and UCP3), HDL-biogenesis (ABCA1, ApoA1, and LXRα), and adiponectin signaling (AdipoQ, AdipoR1, and AdipoR2), as well as levels of phosphorylated AMPK and ACC. SOY conferred a similar expression profile in both liver and adipose tissues but failed to reach statistical significance in many of the genes tested, unlike FSOY. Our data indicate that fermentation may be a way to enhance the beneficial effects of soy on lipid metabolism, in part via promoting a reduction of SREBP-dependent cholesterol and TG synthesis in the liver, and enhancing adiponectin signaling and PPARα-induced expression of genes involved in TG-rich lipoprotein clearance, fatty acid oxidation, and reverse cholesterol transport in adipose tissues.
Reply: Multiple Large Cysts Arising from Nevus Comedonicus
Hii-Sun Jeong,Hye-Kyung Lee,Seung-Hyun Lee,Hyoung-Suk Kim
Archives of Plastic Surgery , 2012, DOI: http://dx.doi.org/10.5999/aps.2012.39.3.261
Abstract:
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