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Immunohistochemical study of pancreatic poly-peptide-immunoreactive cells in the pancreas of the Korean native goat (Capra hircus) during developmental stages (발생단계에 따른 한국재래산양 췌장에서 pancreatic polypeptide 면역반응세포에 대한 면역조직화학적 연구)

  • Ham, Tae-su
    • Korean Journal of Veterinary Research
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    • v.40 no.3
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    • pp.421-430
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    • 2000
  • The regional distribution and relative frequency of the pancreatic polypeptide (PP)-immunoreactive cells in the pancreas of the Korean native goat (Capra hircus) were studied by immunohistochemical methods (PAP methods) using specific antisera against to PP during developmental stage, fetus, neonate, 1-month-old, 6-month-old and adult. The different regional distribution and relative frequency of PP-immunoreactive cells in the pancreas of Korean native goat were observed during development. In the exocrine portions, they were detected in the all ages and distributed in the interacinar regions. PP-immunoreactive cells were increased from neonate to 1-month-old but thereafter decreased with developmental stage. In the pancreatic duct, PP-immunoreactive cells were demonstrated from 1-month-old but they were decreased with developmental stages in these regions. These cells were observed in the subepithelial connective tissue of the pancreatic duct with a few frequencies in 1-and 6-month-old. However, they were located in the interepithelial cells of the pancreatic duct in the adult with rare frequency. In the endocrine portion (pancreatic islets), PP-immunoreactive cells were observed from neonate, and the regional distribution of PP-immunoreactive cells from 1-month-old was divided into two patterns : dispersed 1) in the marginal regions of the pancreatic islets with moderate or a few frequencies, and 2) in the whole pancreatic islets (in a case of 1-month-old) or in the central cores (in a case of 6-month-old and adult) with numerous frequency. In conclusion, the different regional distribution and relative frequency of PP-immunoreactive cells in the pancreas of the Korean native goat were observed during development. It is suggested that the changing of feeding habits and physiological conditions during different developmental stages may cause these differences.

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Surgical correction of congenital heart defects in adult (성인 선천성 심장기형의 외과적 치료)

  • 신현종
    • Journal of Chest Surgery
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    • v.22 no.1
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    • pp.95-105
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    • 1989
  • The records of 248 patients over 16 years of age who had undergone a surgical correction of a congenital cardiovascular malformation during the period of 10 years from August, 1978 to July, 1988 were reviewed. During this period, the incidence of congenital cardiovascular malformation in adult was 18.2% of 1376 total heart disease operated on and 25.5% of 986 congenital heart defects. Among them, there were 200 patients in acyanotic group and 48 patients in cyanotic group. Male versus female ratio was 1:1.28. The oldest patient was 59 years old female who had atrial septal defect. The mean age was 24.4 years old. The distribution of the lesions showed a large preponderance of atrial septal defects [37.19o] followed in frequency by ventricular septal defects [918.1%], patent ductus arteriosus [17.3%], tetralogy of Fallot [16.1%], and a variety of other complex malformations[3.2%]. In the pediatric age group, relative frequency was different from that of this adult group, showing ventricular septal defects, tetralogy of Fallot, patent ductus arteriosus and atrial septal defects in order of incidence. The hospital mortality and late mortality were 6.0% and 1.7% respectively. The causes of hospital death were low cardiac output in 10 patients, arrhythmia in 2, air embolism in 1, sepsis in 1 and respiratory failure in l. Clinical improvement upto NYHA functional class I or II postoperatively has been achieved and sustained in all patients following repair except the patients of late death and receiving reoperation. This result confirms that congenital heart defects in the adults can be corrected with a good outcome and an aggressive operative approach seems justified.

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Performance-based User Testing of a Patient Drug Leaflet in the Elderly (노인 인구에 있어 환자용 의약품 안전사용 설명서의 활용성 평가)

  • Son, Mi-jung;Lee, Iyn-Hyang
    • Korean Journal of Clinical Pharmacy
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    • v.26 no.1
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    • pp.6-12
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    • 2016
  • Objective: This study aimed to explore the readability and comprehensibility of the drug information on a patient leaflet for the senior by employing performance-based user-testing. Methods: We included 36 elderly (65 years old or older) as the senior group (intervention group) and 36 adults (40~59 years old) as the adult group (control). We developed a questionnaire to test if participants could access to drug information. After completing a questionnaire, the participant was interviewed about their understanding over the patient leaflet. We performed t-test, ${\chi}^2$-test or Fisher's exact test to examine differences between two groups in primary outcomes. Results: The senior were less likely able to find information (78%) than the adult (91%); they were much less likely able to understand information (42%) than the adult (69%). While we found differences between the ability of finding and understanding drug information in both groups, the senior group had greater difficulties in understanding all kinds of drug information. They had significant difficulties to remember information after reading the patient leaflet and frequently failed to find proper information even though they were allowed to access freely to the leaflet during interviewing. Conclusion: To secure safe and effective use of drugs for the senior, it is necessary to develop drug leaflets for the senior.

Skeletal Changes Following Application of RME at Different Maturation Stages (골격적 성숙도의 차이에 따라 RME 사용시 나타나는 상악골 복합체의 변화)

  • Han, Soon-Ki;Chung, Dong-Hwa;Cha, Kyung-Suk
    • Journal of Dental Rehabilitation and Applied Science
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    • v.23 no.4
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    • pp.373-384
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    • 2007
  • The purpose of this study was to analyse the stress distribution on the craniofacial suture and cranium after application of RME. Twelve years and six months old boy and twenty years old adult male were chosen for taking computed-tomography for FEM. From DICOM visual information, it was processed by 3-dimensional image construction program Mimics 10.01. Hounsfield unit(HU) which shows gray scale of CT image is picked for revealing mechanical properties of each model. The models have been accomplished with various range of physical properties. After applying 5.0 mm expansion, the maxillary complex model was obeserved for analyzing displacement and stress distribution of the model. The amount of transverse expansion of child and adult maxilla is different according to its location. It appears that it decreases gradually with the distance from separation site. In child, maximum compressive stress located broad area in zygomatic buttress department and the ends of frontal process of maxilla, pterygoid plate, and bones surrounding orbit. However, in adult maximum compressive stress was located smaller area and the stres was higher than child.

Congenital Cardiovascular Anomalies in Adults : A report 266 surgical cases (성인 심장기형 266예 수술 예)

  • Lee, Yung-Kyoon;Yang, Gi-Min
    • Journal of Chest Surgery
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    • v.13 no.4
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    • pp.414-417
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    • 1980
  • During the period from 1958 to July 31, 1980, there were 1764 Cardiovascular Surgical cases consisting of 1166 congenital and 598 acquired lesions in the Department of Cardiothoracic Surgery, Seoul National University Hospital. For 1764 cases 1162 open heart surgery and 602 conventional operations were performed. Among 1166, congenital lesions 266 adult cases were found. Adult cases occupy 15.1% of the total cases consisting of 24.5% of acyanotic and 19.9% of cyanotic group. Over all operative mortality of adult cases was 6.8% compared with 12.4% of total cases. Left over congenital cardiovascular anomalies in Korea can be safely operated at the present time. The oldest operated patient among adult congenital cardiovascular anomalies was 57 years old female atrial septal defect case. For 1162 cases open heart surgery bubble oxygenators were utilized except 2 membrane oxygenators. Various kinds of bubble oxygenators have been used but recently Shiley**** oxygenators are being used exclusively with satisfactory results.

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Minimal sedation using oral sedatives for multi-visit dental treatment in an adult patient with dental phobia

  • Song, Seung-Rye;You, Tae Min
    • Journal of Dental Anesthesia and Pain Medicine
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    • v.21 no.4
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    • pp.369-376
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    • 2021
  • In adult patients with dental phobia, dental treatment may be difficult, or may not be possible. Depending on the level of fear or anxiety, non-pharmacological or pharmacological behavior management techniques are used in the dental treatment of such patients. Among the pharmacological behavior management techniques, minimal sedation, that is, the lowest depth of sedation, can be easily obtained in adult patients using oral sedatives, does not require special equipment or tools, and does not affect ventilatory and cardiovascular function. Diazepam is an anxiolytic drug belonging to the benzodiazepine family that, in addition to relieving anxiety, produces muscle relaxation, and is a representative drug used in adult patients with fear of dental treatment. Herein, we report the case of a 50-year-old woman with severe dental fear who successfully underwent long-term dental treatment in approximately 20 visits with minimal sedation using oral diazepam. In addition, we reviewed the considerations for the use of benzodiazepines for minimal sedation.

A Study on Korean Adults' Planning for Old Age (한국 성인세대의 노후준비에 관한 연구 - $30{\cdot}40{\cdot}50$대 기혼남녀를 대상으로 -)

  • Kang, Yoo-Jin
    • The Korean Journal of Community Living Science
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    • v.16 no.4
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    • pp.159-174
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    • 2005
  • This study examines adult perceptions of old age planning and the factors that explain the degree of their planning for the future. The data came from 478 adults between the age of 30 and 59 living in Gunpo city. Major findings can be summarized as follows. First, we find that participants are well aware of the need for old age planning, and that the majority of them think aey are responsible for their old age security. Nevertheless they are not preparing for later life very much. Second, they are doing their best planking for their later lives in the area of social activities. The degree of participants' preparation varies depending on their age and socioeconomic factors. Finally, participants who strongly recognize their parents' role are also more likely to plan for the future. These results suggest that the educational programs and systems for pre-instruction about various plans for old age be developed for even younger people.

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A Systematic Study on Occupational Therapy Interventions for Adult Attention Deficit Hyperactivity Disorder (성인 ADHD를 위한 작업치료 중재에 대한 체계적 고찰)

  • Park, Ju-Young
    • Journal of The Korean Society of Integrative Medicine
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    • v.10 no.3
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    • pp.257-266
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    • 2022
  • Purpose : This systematic review examined evidence published 2000-2021 for occupational therapy interventions for adult Attention Deficit Hyperactivity Disorder (adult ADHD). Methods : In order to find out the studies on the effect occupational therapy intervention on individuals with adult ADHD, studies published from 2000 to February 2022 were searched on Google Academic Search. The keywords used were "adult ADHD" AND "Occupational therapy". A total of 785 studies were searched, and from these, 3 studies were selected based on the application of the selection and exclusion criteria. The included studies comprised of 1 Quasi-experimental design study(one group pre-post test) and 2 randomized controlled trials design studies. The included studies were analyzed in PICO(patients, intervention, comparison, outcomes). Results : As a result of analysing the subjects of the included studies, subjects diagnosed with adult ADHD or classified as high-risk group in Adult ADHD Self-Report Scale test, the number of subjects was 97, and the average age was about 33 years old. Occupational therapy intervention methods for adult ADHD include Tailored Intervention, Computerized Cognitive Training, and Cognitive-Functional Intervention. The Adult ADHD Self-Report Scale was the most used to check the symptoms of ADHD, and the COPM was used the most to measure the effects of occupational therapy interventions. The dependent variables of occupational therapy intervention were occupational performance, quality of life, executive function (behavioral regulation, metacognition), self-regulation function, stress management, and sustained attention. The effect of the intervention was statistically significant in 78.5% of the total. Conclusion : It is expected that the results of this study can be used as basic data for evidence-based practice for occupational therapists to apply adult ADHD interventions. In the field of occupational therapy in Korea, research on various interventions that can improve the occupational performance of adults ADHD should be conducted.

Characterization of age- and stage-dependent impaired adult subventricular neurogenesis in 5XFAD mouse model of Alzheimer's disease

  • Hyun Ha Park;Byeong-Hyeon Kim;Seol Hwa Leem;Yong Ho Park;Hyang-Sook Hoe;Yunkwon Nam;Sujin Kim;Soo Jung Shin;Minho Moon
    • BMB Reports
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    • v.56 no.9
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    • pp.520-525
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    • 2023
  • Alzheimer's disease (AD) is a progressive neurodegenerative disease characterized by cognitive decline. Several recent studies demonstrated that impaired adult neurogenesis could contribute to AD-related cognitive impairment. Adult subventricular zone (SVZ) neurogenesis, which occurs in the lateral ventricles, plays a crucial role in structural plasticity and neural circuit maintenance. Alterations in adult SVZ neurogenesis are early events in AD, and impaired adult neurogenesis is influenced by the accumulation of intracellular Aβ. Although Aβ-overexpressing transgenic 5XFAD mice are an AD animal model well representative of Aβ-related pathologies in the brain, the characterization of altered adult SVZ neurogenesis following AD progression in 5XFAD mice has not been thoroughly examined. Therefore, we validated the characterization of adult SVZ neurogenesis changes with AD progression in 2-, 4-, 8-, and 11-monthold male 5XFAD mice. We first investigated the Aβ accumulation in the SVZ using the 4G8 antibody. We observed intracellular Aβ accumulation in the SVZ of 2-month-old 5XFAD mice. In addition, 5XFAD mice exhibited significantly increased Aβ deposition in the SVZ with age. Next, we performed a histological analysis to investigate changes in various phases of adult neurogenesis, such as quiescence, proliferation, and differentiation, in SVZ. Compared to age-matched wild-type (WT) mice, quiescent neural stem cells were reduced in 5XFAD mice from 2-11 months of age. Moreover, proliferative neural stem cells were decreased in 5XFAD mice from 2 to 8 months of age. Furthermore, differentiations of neuroblasts were diminished in 5XFAD mice from 2-11 months of age. Intriguingly, we found that adult SVZ neurogenesis was reduced with aging in healthy mice. Taken together, our results revealed that impairment of adult SVZ neurogenesis appears with aging or AD progression.

Surgical Repair of Bochdalek Hernia in Adult; A Report of Two Cases (성인에서 발생한 Bochdalek 탈장;수술 치험 2례)

  • 허강배
    • Journal of Chest Surgery
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    • v.26 no.5
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    • pp.417-421
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    • 1993
  • Congenital diaphragmatic hernia through Bochdalek foramen, posterolateral diaphragmatic hernia, is the result of a congenital malformation of the posterolateral region of the diaphragm. Bochdalek hernia is the most common type of congenital diaphragmatic hernia, but it is a extremely rare anomaly which is detected in adulthood because it has severe cardiopulmonary and gastrointestinal symptoms after birth immediately.We experienced two cases of Bochdalek hernia which were detected in adulthood. Among them, one was a 43 years old man who was treated with simple closure in left Bochdalek hernia and the other was 41 years old woman who was treated with patch closure using silastic sheet in right Bochdalek hernia. Their postoperative courses were uneventiful. So we report two cases of rare Bochdalek hernia which was detected in adulthood with review of literatures.

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