http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Yong Gum Park,Boo Seop Kim,Kyu-Tae Kang,Yong-Chan Ha 대한정형외과학회 2023 Clinics in Orthopedic Surgery Vol.15 No.4
Background: This prospective randomized controlled study aimed to determine the effects of abdominal massage on constipation management in elderly patients with hip fractures. Methods: From August 2017 to December 2018, patients aged above 65 years with hip fractures (n = 88) were randomly assigned to a massage group that received a bowel massage (n = 48) or a control group that did not receive a bowel massage (n = 40). Patients in the bowel massage group received a bowel massage from a trained caregiver after breakfast at approximately 9:00 AM for an hour. On admission, 5 days after surgery, and on the day of discharge, the patient’s normal and actual defecation pattern, stool consistency, and any problems with defecation were assessed through a structured interview. The questionnaire comprising the Bristol Stool Scale, patient assessment of constipation, time to defecation, medication for defecations, failure to defecate, cause of admission, admission period, and date of surgery were recorded. Statistical analyses were performed 5 days after surgery and on the day of discharge. Results: The mean age of the study cohort was 81.4 years (range, 65–99 years). The number of constipation remedies was significantly lower in the massage group than in the control group on postoperative day (POD) 5 and at discharge (9 vs. 15, p = 0.049 and 6 vs. 11, p = 0.039, respectively). The number of defecation failures was significantly lower in the massage group than in the control group (10 vs. 17, p = 0.028) on POD 5. However, the number of defecation failures at discharge was not significantly different between the two groups (p = 0.131). The development of postoperative ileus (p = 0.271) and length of hospital stay (p = 0.576) were not different between the groups. Conclusions: The number of constipation remedies was significantly lower in the massage group than in the control group on POD 5 and discharge, and the number of defecation failures was significantly lower in the massage group than in the control group on POD 5. Therefore, abdominal massage may be considered as an independent nursing initiative for constipation management.
Simulating Ammonia Volatilization from Applications of Different Urea Applied in Rice Field by WNMM
Park, Ki-Do,Lee, Dong-Wook,Li, Yong,Chen, Deli,Park, Chang-Young,Lee, Young-Han,Lee, Chang-Hoon,Kang, Ui-Gum,Park, Sung-Tae,Cho, Young-Son The Korean Society of Crop Science 2008 한국작물학회지 Vol.53 No.1
Ammonia ($NH_3$) volatilization from a silty clay loam paddy soil applied with non, straight urea, and coated urea, respectively, under transplanting in Milyang, Korea from 2002 and 2003 was simulated by a Water and Nitrogen Management Model (WNMM). Based on the data from the in-situ measurements, $NH_3$ volatilization during the rice growth was 6.04% and 1.46% of the applied nitrogen (N) from straight urea and coated urea, respectively. The bulk aerodynamic approach in WNMM satisfactorily predicted the difference in $NH_3$ loss during the given rice growing seasons from the two urea fertilizers. $R^2$ for the correlation between the predicted and observed NH3 loss during the calibration year (2002) was 0.53 less than 0.68 of the application year (2003). This difference could be due to the weather condition such as heavy rainfall and temperature during the calibration year.
김용석(Yong Seok Kim),황준영(Jun Young Hwang),안지현(Ji Hyun Ahn),김미경(Mi Kyung Kim),박준석(Jun Seok Park),최유신(Yoo Shin Choi),김범규(Beom Gyu Kim),박용검(Yong Gum Park),지경천(Kyung Chun Chi),이정효(Jung Hyo Lee),임현묵(Hyun Muc 대한외과학회 2008 Annals of Surgical Treatment and Research(ASRT) Vol.75 No.6
Paragangliomas are rare tumors that arise from the extraadrenal chromaffin cells. We report here on a case of retroperitoneal paraganglioma in a 24-year-old young man. Abdomen CT and magnetic resonance imaging showed a hypervascular mass near the left ureter. He had not felt paroxysmal palpitation and his vital signs were within the normal range. An exploratory laparotomy revealed a 7.2×5.5 cm sized mass below the jejunum and near the aorta, and this mass had adhesion to the left ureter. It was histologically diagnosed with a paraganglioma after the surgical resection. Although there was an increase of blood pressure on palpation during surgery, the postoperative course was uneventful. When we consider the unusual locations and the associated operative risk, we should take care to rule out the possibility of a functional paraganglioma in the preoperative differential diagnosis of an abdominal mass.
Byung Kwan Park,Jong Won Kim,Suk Won Suh,Joong-Min Park,Yong Gum Park 대한외과학회 2021 Annals of Surgical Treatment and Research(ASRT) Vol.101 No.6
Purpose: This study was performed to compare the efficacies of newly developed needle grasper-assisted (Endo Relief) single-incision laparoscopic appendectomy (NASILA) and single-incision laparoscopic appendectomy (SILA). Methods: This study enrolled 110 patients with acute appendicitis without periappendiceal abscess, diagnosed using computed tomography, who were randomized to the SILA (n = 54) and NASILA groups (n = 56) between December 2017 and August 2018 (6 patients withdrawn). The NASILA technique entailed a small umbilical incision for the glove port (equivalent to that for a 12-mm trocar), and a 2.5-mm suprapubic incision for the needle grasper. Results: The SILA and NASILA groups included 49 (male, 61.2%) and 55 (male, 54.5%) patients, respectively. Age, body mass index, abdominal surgical history, symptom duration, and use of patient-controlled analgesia did not differ significantly between the 2 groups. The main wound size was significantly smaller in the NASILA group than in the SILA group (1.8 ± 0.4 cm vs. 2.2 ± 0.4 cm, P < 0.001). The operative time and estimated blood loss did not differ significantly between both groups. The immediate postoperative pain score, i.e., the primary endpoint, was significantly lower in the NASILA group than in the SILA group (2.33 ± 0.98 vs. 2.82 ± 1.29, P = 0.031). The complaints for scar status 1 month postoperatively did not differ significantly between the groups. Conclusion: NASILA could attenuate postoperative pain by minimizing the size of the surgical wound; further, NASILA may not be inferior to SILA in terms of cosmetic results.
Simulating Ammonia Volatilization from Applications of Different Urea Applied in Rice Field by WNMM
Ki-Do Park,Dong-Wook Lee,Yong Li,Deli Chen,Chang-Young Park,Young-Han Lee,Chang-Hoon Lee,Ui-Gum Kang,Sung-Tae Park,Young-Son Cho 韓國作物學會 2008 한국작물학회지 Vol.53 No.1
Ammonia (NH3 ) volatilization from a silty clay loam paddy soil applied with non, straight urea, and coated urea, respectively, under transplanting in Milyang, Korea from 2002 and 2003 was simulated by a Water and Nitrogen Management Model (WNMM). Based on the data from the in-situ measurements, NH3 volatilization during the rice growth was 6.04% and 1.46% of the applied nitrogen (N) from straight urea and coated urea, respectively. The bulk aerodynamic approach in WNMM satisfactorily predicted the difference in NH3 loss during the given rice growing seasons from the two urea fertilizers. R2 for the correlation between the predicted and observed NH3 loss during the calibration year (2002) was 0.53 less than 0.68 of the application year (2003). This difference could be due to the weather condition such as heavy rainfall and temperature during the calibration year.
Gum Tae Son,Hee-Jin Lee,Tae Sik Nam,Yong-Ho Chung,Uk-Hwa Lee,Seung-Taek Baek,Kyeon Hur,Jung-Wook Park IEEE 2012 IEEE transactions on power delivery Vol.27 No.3
<P>This paper presents design and control methods for fault-tolerant operations with redundant converter modules, one of the most prominent features in modular multilevel converter (MMC) topology. In fully implementing MMC functionalities, a nearest level control is applied as a low-switching modulation method. A dual sorting algorithm is newly proposed for effectively reducing the switching commutations of each power module as well as for voltage balancing control. Built upon these primary MMC topological and control features, its redundant operation is comprehensively investigated for fail-safe energy transfer. In particular, a novel spare process is proposed to handle an emergency situation when the number of faulty power modules exceeds the module redundancy. Since topological redundancy may cause the switching commutations of power modules in an arm to be unevenly distributed, a practical and effective mitigation measure is incorporated to keep the energy balance while avoiding the undesired switching stresses. Rigorous simulation studies for MMC and its application for high-voltage direct current are performed to demonstrate the validity and effectiveness of the proposed spare process under normal and emergency conditions.</P>
Inverse Brightness Temperature Estimation for Microwave Scanning Radiometer
Park, Hyuk,Katkovnik, Vladimir,Kang, Gum-Sil,Kim, Sung-Hyun,Choi, Jun-Ho,Choi, Se-Hwan,Jiang, Jing-Shan,Kim, Yong-Hoon The Korean Society of Remote Sensing 2003 大韓遠隔探査學會誌 Vol.19 No.1
The passive microwave remote sensing has progressed considerably in recent years Important earth surface parameters are detected and monitored by airborne and space born radiometers. However the spatial resolution of real aperture measurements is constrained by the antenna aperture size available on orbiting platforms and on the ground. The inverse problem technique is researched in order to improve the spatial resolution of microwave scanning radiometer. We solve a two-dimensional (surface) temperature-imaging problem with a major intention to develop high-resolution methods. In this paper, the scenario for estimation of both radiometer point spread function (PSF) and target configuration is explained. The PSF of the radiometer is assumed to be unknown and estimated from the observations. The configuration and brightness temperature of targets are also estimated. To do this, we deal with the parametric modeling of observation scenario. The performance of developed algorithms is illustrated on two-dimensional experimental data obtained by the water vapor radiometer.
증예(症例) : 만성신부전 악화와 동반된 후천성혈우병 1예
정금모 ( Gum Mo Jung ),전성희 ( Sung Hee John ),김남돈 ( Nam Don Kim ),박용진 ( Yong Jin Park ),박요숙 ( Hyo Sook Park ) 전북대학교 의과학연구소 2003 全北醫大論文集 Vol.27 No.2
후천성혈우병은 매우 드문 질환으로 중증의 출혈이 흔하게 나타나고 이로 인한 사망률이 높기 때문에 조기에 정확히 진단하여 적절한 치료를 즉각적으로 시행하여야 한다. 저자들은 만성신부전증으로 치료중 지속적인 출혈로 인해 발견된 후천성혈우병 환자를 면역억제제를 사용하여 성공적으로 치료하고 이에 증례보고 하는 바이다. Acquired hemophilia due to factor Ⅷ inhibitor is a rare disease that occurs in about one per million people each year. In about 50% of patients the disorder is associated with other conditions, mainly the postpartum period, underlying malignancies, drug administration, or autoimmune disease, such as rheumatoid arthritis or systemic lupus erythematosus. It is associated with bleeding complications that can be life-threatening. However, these bleeding episodes can be controlled when the correct diagnosis is made quickly and appropriate therapy applied. We had a patient with acquired hemophilia who was presented with sustained bleeding during managing uremia. At first, the diagnosis was incorrect because of delayed inhibitor reactivity. But, by retestifying after 2 hour incubation of diluted plasma and assaying inhibitor titer, we could have correct diagnosis. And we successfully treated it with oral immunosuppressive agents.