• Title/Summary/Keyword: 후향연구

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Convulsions with Noroviral Gastroenteritis in Children at a Single Center in Korea (단일 센터에서 경험한 소아에서의 노로바이러스 위장관염과 연관된 양성 경련)

  • Kang, SooYeon;Lee, Hyun Ju;Kim, Shin Hye
    • Journal of the Korean Child Neurology Society
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    • v.26 no.4
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    • pp.233-239
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    • 2018
  • Purpose: Viral gastroenteritis is a common disease in infants and children. Seizures can be associated with viral gastroenteritis as benign convulsions with mild gastroenteritis (CwG). After the development of the rotavirus vaccination, norovirus has become inreasingly significant in children. We retrospectively analyzed the clinical features in a pediatric population presenting with seizures and confirmed enteral viral infections, especially norovirus infections. Methods: We retrospectively reviewed the medical records of pediatric patients aged <15 years admitted due to convulsions and gastroenteritis to the Department of Pediatrics of Myongji Hospital between July 2014 and June 2016. Results: A total of 46 patients (24 male and 22 female) were included. Norovirus was detected in 21 (45.7%) patients, adenovirus in three (6.5%), rotavirus in two (4.3%), astrovirus in one (2.2%), and none of agents were detected in 19 (41.3%) patients. Patients in the norovirus gastroenteritis (NGE) group had a higher incidence of diarrhea than that among in the non-norovirus gastroenteritis (NNGE) group (61.9% vs 28.0%; P<0.05). Twelve patients experienced status epilepticus, including five (23.8%) in the NGE group and seven (33.0%) in the NNGE group (P=0.837). Seizures were effectively terminated by intravenous benzodiazepines in 8 (66.7%) of 12 patients. Additional long-acting antiepileptic drugs such as fosphenytoin or levetiracetam were required in three (25%) of 12 patients. Conclusion: Patients with CwG with and without noroviurs infection did not differ in terms of clinical features. However, status epilepticus was not uncommon among patients with CwG by definition.

The status of breast cancer screening of women at a breast clinic in a small city in Korea -Using medical records- (중소도시 일 유방클리닉 방문 여성의 유방암 검진현황 -의무기록을 이용한 후향적 조사연구-)

  • Lee, Hye Won;Kim, Young Mee
    • Journal of Digital Convergence
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    • v.19 no.10
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    • pp.491-500
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    • 2021
  • The status of breast cancer screening of women at a breast clinic in a small city in Korea-Using medical records Purpose: This study was conducted to investigate breast cancer incidence by age, including those under 40, and to emphasize the importance of early breast cancer screening for young breast cancer patients. Method: The study was designed as a retrospective survey method. We investigated the medical charts of 483 patients diagnosed with breast cancer among 23,200 visitors to local breast clinic from May 1, 2010 to April 30, 2020. Results: The average age of 483 patients was 47.9, with 36% in their 40s and 28.6% under 40. Among the patients, 5.4% had a family history of breast cancer, and 70.8% were pre-menopausal. The most common reason for visiting the clinic was the mass(54.2%). The size of tumors was less than 2cm (56%), followed by 2-5cm (43.4%) and more than 5cm (5.6%). The size of tumors was smaller in the asymptomatic case than in the symptomatic case. In the pathologic results, invasive ductal cancer was the most common at 80.3%. Conclusions: Breast cancer screening program should be activated even for young women under the age of 40. We suggest educating the importance of breast cancer screening, and lowering the age of national breast cancer screening program.

Factors influencing the frequency of denture adjustments after delivery of complete denture: a retrospective study (총의치 장착 후 의치 조정 횟수에 영향을 미치는 요인에 관한 후향적 연구)

  • Lee, Seungwon;Yoon, Joon-Ho;Yoo, Jin-Joo
    • The Journal of Korean Academy of Prosthodontics
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    • v.60 no.3
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    • pp.239-245
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    • 2022
  • Purpose. The purpose of this study was to analyze the frequency and duration of adjustments after delivery of complete denture according to age, sex, arch with complete denture, insurance coverage of a denture, type of antagonist, the experience of wearing denture, the period of edentulism, and the type of denture base. Materials and methods. For 5 years, medical records of patients aged 65 or older who had treated full dentures were assessed for the frequency and duration of follow-up visits after complete denture delivery. Statistical analysis was performed at the 5% level of significance to analyze the correlation between the frequency and duration of follow-up according to sex, insurance coverage, arch with the complete denture, type of denture base, type of antagonist, experience of wearing a denture, age, and healing period. Results. 247 complete dentures were included in this study. The median frequency of follow-up visits was 3, and the median duration of follow-up was 36 days. Lower dentures had significantly higher frequency of follow-up visits than upper dentures (P = .036). According to the type of antagonist, dentures opposing a complete denture had a significantly higher frequency of follow-up visits than dentures opposing a removable partial denture (P = .016). There was no statistically significant difference in the frequency and duration of adjustments after delivery of complete denture by age, sex, insurance coverage, healing period, the experience of wearing a denture, and type of denture base. Conclusion. Within the limitations of the present study, lower complete dentures or dentures opposing a complete denture had an increased frequency of follow-up visits.

Epidemiology and Characteristics of Pediatric Respiratory Virus Infection From 2017 to 2019 Focusing on Human Coronavirus: A Retrospective Study of a Single Center in Northwestern Gyeonggi-do (인간 코로나 바이러스를 중심으로 2017-2019년 소아청소년 호흡기 바이러스 감염증의 역학 및 특성: 경기 북서부지역 단일기관의 후향적 연구)

  • Hyoungsuk Park;Kyoung Won Cho;Lindsey Yoojin Chung;Jong Min Kim;Jun Hyuk Song;Kwang Nam Kim
    • Pediatric Infection and Vaccine
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    • v.30 no.2
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    • pp.62-72
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    • 2023
  • Purpose: A change is expected in the pattern of respiratory viruses including human coronavirus (HCoV) after the coronavirus disease 2019 (COVID-19) outbreak. Accordingly, identifying the distribution of respiratory viruses before the COVID-19 outbreak is necessary. Methods: We retrospectively analyzed the results of samples of nasal swabs collected from children under aged ≤18 years who were hospitalized at Myongji Hospital, Gyeonggi-do due to acute respiratory infections from 2017 to 2019. Viruses were detected by real-time reverse transcription polymerase chain reaction (RT-PCR). Results: Out of 3,557 total patients, 3,686 viruses were detected with RT-PCR including coinfections. Of the 3,557 patients, 2,797 (78.6%) were confirmed as PCR-positive. Adenovirus and human rhinovirus (hRV) were detected throughout the year, and human enterovirus was most detected during summer. Respiratory syncytial virus, influenza virus, and HCoV were prevalent in winter. In patients with croup, parainfluenza virus was most frequently detected, followed by hRV and HCoV. The PCR positive rate in summer and winter differed significantly. Conclusions: Respiratory virus patterns in northwestern Gyeonggi-do were not much different from previously reported data. The data reported herein regarding respiratory virus epidemiological information before the COVID-19 outbreak can be used for use in comparative studies of respiratory virus patterns after the COVID-19 outbreak.

Does Nasal Septal Deviation and Concha Bullosa Have Effect on Maxillary Sinus Volume and Maxillary Sinusitis?: A Retrospective Study (비중격 만곡증과 수포성 비갑개는 상악동 부피와 상악골 부비동염에 있어 관련성을 지니는가?: 후향적 연구)

  • Juyeon Lee;Sang Man Park;Seung-Whan Cha;Jin Sil Moon;Myung Soon Kim
    • Journal of the Korean Society of Radiology
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    • v.81 no.6
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    • pp.1377-1388
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    • 2020
  • Purpose This study aimed to determine whether nasal septal deviation and concha bullosa affect the maxillary sinus volume, and whether this effect is associated with the prevalence of chronic sinusitis. Materials and Methods This study retrospectively reviewed 209 paranasal sinus CT (PNS CT) images of patients with sinonasal symptoms from January 2017 to December 2018. The maxillary sinus volume was measured twice by a radiologist, and statistical analysis was performed using SAS 9.4. Results Intersex comparison of the maxillary sinus volume (on left and right sides) revealed that the volume was significantly larger on both the sides (p < 0.0001) in men compared with that in women. Concha bullosa was found to occur mainly in the concave cavity of the septal deviation (p < 0.0001). No significant association was found between nasal septal deviation and maxillary sinusitis (p = 0.8756) as well as between concha bullosa and maxillary sinusitis prevalence (p = 0.3401) or maxillary sinus volume (both: p = 0.6289, Rt.: p = 0.9522, Lt.: p = 0.9201). Conclusion Although nasal septal deviation and the location of concha bullosa may affect each other, maxillary sinus volume and maxillary sinusitis were neither associated with nasal septal deviation nor concha bullosa.

A Self-gravitational Acupressure Corrects the Standing Posture in the Sagittal Plane: A Retrospective Study (자가 중력 지압의 시상면 기립 자세 교정 효과: 후향적 관찰 연구)

  • Sung Kwon Park;Geum Na Hong;Min Joo Choi
    • Journal of Naturopathy
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    • v.13 no.1
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    • pp.51-61
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    • 2024
  • Background: Manual acupressures in the correction and recovery of spinal deformities are known to be effective. However, they rely on therapists' skill and often require a long treatment time. The shortcomings of the manual therapy are anticipated to be effectively mitigated through self-gravitational acupressures (SGA) which stimulate multiple acupoints simultaneously with acupressure tools. Objective: The study aims to verify the effect of SGA for the correction of sagittal standing posture. Methods: A retrospective analysis was conducted on the postural improvements of the 93 subjects who underwent the SGA intervention, leveraging self-gravity for stimulating neck, back, pelvis, and calf areas both overall and sequentially using a set of acupressure tools equipped with multiple acupressing rods. Degree of posture abnormality was assessed before and after the SGA intervention using the photographic images of the subjects' sagittal standing postures, based on the angles of inclination of the upper body (from external auditory meatus to pelvis) and the lower body (from pelvis to malleolus) from the gravitational line passing through the hip joint. Results: After the SGA intervention, the upper body inclination angle was observed to decrease from an average of 3.2° to 1.6° (50.0% reduction, p<.001), and the lower body inclination angle decreased from an average of 3.5° to 3.2° (8.6% reduction, p<.01). Conclusion: The observed results underpin that SGA is effective for the correction of postural deformities. For the clinical application of SGA, prospective research is needed to optimize SGA protocol and acupressing tools and to validate long-term clinical efficacy.

Clinical Characteristics of Pediatric Patients With the Coronavirus Disease 2019 During the Third and Fourth Waves of the Epidemic in Korea: A Single Center Retrospective Study (국내 코로나바이러스감염증-19 유행 제3-4기 소아청소년 환자의 임상적 특성: 단일기관 후향적 연구)

  • Gawon Moon;Donghyun Shin;Soo-Han Choi
    • Pediatric Infection and Vaccine
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    • v.29 no.3
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    • pp.131-140
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    • 2022
  • Purpose: Since the coronavirus disease 2019 (COVID-19) pandemic began, new variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have emerged, and distinct epidemic waves of COVID-19 have occurred for an extended period. This study aimed to analyze the clinical and epidemiological characteristics of children with COVID-19 from the third wave to the middle of the fourth epidemic wave in Korea. Methods: We retrospectively reviewed the medical records of hospitalized patients aged ≤18 years with laboratory-confirmed COVID-19. The study periods were divided into the third wave (from November 13, 2020 to July 6, 2021) and the fourth wave (from July 7 to October 31, 2021). Results: Ninety-three patients were included in the analysis (33 in the third and 60 in the fourth waves). Compared with the third wave, the median age of patients was significantly older during the fourth wave (6.7 vs. 2.8 years, P=0.014). Household contacts was reported in 60.2% of total patients, similar in both periods (69.7 vs. 55.0%, P=0.190). Eighty-one (87.1%) had symptomatic SARS-CoV-2 infection. Among these, 10 (12.3%) had no respiratory symptoms. Anosmia or ageusia were more commonly observed in the fourth epidemic wave (10.7 vs. 34.0%, P=0.032). Most respiratory illness were upper respiratory tract infections (94.4%, 67/71), 4 had pneumonia. The median cycle threshold values (detection threshold, 40) for RNA-dependent RNA polymerase (RdRp) and envelope (E) genes of SARS-CoV-2 were 21.3 and 19.3, respectively. There was no significant difference in viral load during 2 epidemic waves. Conclusions: There were different characteristics during the two epidemic waves of COVID-19.

Hypermedia Tools and Digital Media on English Writing (하이퍼미디어 도구와 디지털 미디어 활용 영어 쓰기)

  • Lee, Il Seok
    • Journal of Digital Contents Society
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    • v.15 no.6
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    • pp.729-736
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    • 2014
  • Integrated multimedia education in English language education shifts instructor-orientated education to be more learner-orientated. The goal of this research is to analyze the effects of multimedia such as software, power point, flash animation and video in English language education. Experimental research with student subjects and multimedia in English education were used for this study and divided into the following categories: instructor-focused analysis, student-focused analysis, and response-based analysis. Teacher-focused analysis is comprised of prediction analysis and backward induction methods. This study aims to analyze whether multimedia tools achieves its intended effects, and to describe what sort of effects are achieved by the tools. This research intends to confirm the effectiveness and helpfulness of multimedia tools in school classrooms.

Wheel Balance Cancer Therapy in the Treatment of Metastatic Gastric Carcinoma : A Retrospective Analysis of 62 Patients (수레바퀴 암 치료법을 시행받은 진행성 위암환자 62명에 대한 후향적 코호트 분석)

  • Park, Jeong-Seok;Yoo, Hwa-Seung;Lee, Yeon-Weol;Cho, Jung-Hyo;Son, Chang-Gue;Cho, Chong-Kwan
    • The Journal of Internal Korean Medicine
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    • v.28 no.3
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    • pp.531-543
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    • 2007
  • Backgrounds : Gastric cancer is one of the most frequent causes of cancer-related deaths worldwide. Gastric cancer patients frequently exhibit distant metastasis at the time of diagnosis and at present, there is no standard regimen after operation or chemotherapy to prevent metastasis and recurrences. Aims : The objective of the study was to compare the overall survival and disease free survival in patients treated with wheel balance therapy (WBT) with patients treated with WBT alone or the combination of WBT and conventional therapy and see if there were any significant improvements in survival between the two groups. Setting & Design : East-West Cancer Center at Daejeon University: retrospective study. Materials & Methods : We retrospectively analyzed 62 patients with stage III (40 patients) and stage IV (22 patients) gastric cancer who have received operation or chemotherapy 2 months prior to beginning WBT. The patients followed the WBT protocol which includes herbal medicine such as PSM capsules, OnePlus syrup, or HAD capsules which prevent metastasis and recurrences. Overall survival and disease free survival were analyzed and the patients were treated for 89.55 weeks and 49.27 weeks (median value) for stages III and IV, respectively. Statistical analysis used : Overall survival and disease free survival were estimated using the Kaplan-Meier method and the WBT and combination treatment arms were compared using the log rank test. Results : For stage III, the 3 year overall survival was 78.5% and disease free survival was 78.3%. Metastasis and recurrence occurred in 13 of 40 patients (32.5%). For stage IV, the 2 year overall survival was 18.2% and disease free survival was also 18.2%. Metastasis and recurrence occurred in 19 of 22 patients (86.4%). No significant difference was found statistically between the WBT alone and combination treatment arms though the combination regimen showed superiority (overall survival p=0.5093, disease free survival p=0.5175). Conclusions : WBT yielded satisfactory results in prolonging survival and preventing metastasis and recurrence in gastric cancer patients. The major treatment unit of WBT is composed of herbal medications (HAD, PSM capsules, OnePlus syrup) and a randomized, prospective study should be carried out using only this treatment unit in the future.

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Retrospective Study about Medical and Surgical Combination Therapy for Advanced Cervical Tuberculous Lymphadenitis (항결핵제와 수술적 병합치료를 시행한 진행된 결핵성 경부 임파선염 환자에 대한 연구)

  • Song, Ha Do;Kim, Chong Kyung;Cho, Dong Il;Hong, In Pyo;Yoo, Nam Soo
    • Tuberculosis and Respiratory Diseases
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    • v.65 no.4
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    • pp.277-284
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    • 2008
  • Background: In principle, cervical tuberculous lymphadenitis (CTBL) is a medical disease that may require surgical treatment, particularly in young women who complain of psychosocial and cosmetic problems. We encountered 13 cases of aggravated CTBL treated surgically despite the appropriate course of antituberculous chemotherapy. We report the clinical characteristis of these cases. Methods: The clinical data of 13 patients with aggravated CTBL requiring surgical treatment from January 2000 to December 2006 at the Department of Chest Medicine, Internal Medicine and Plastic Surgery, National Medical Center was reviewed retrospectively. Results: Twelve of the 13 cases (92%) were female. The most common age was 21~30 years (69%). Multiple nodes were palpated in 11 cases (85%). The supraclavicular lymph nodes were sites the most commonly involved (54%). The other involved sites in the order of decreasing frequency were the jugular chain, posterior cervical, submandibular and infraauricular lymph nodes. A palpable mass was the most commonsymptom. Neck pain was reported in 3 cases (23%). General symptoms such as weight loss, fatigue, anorexia and night sweats were noted in 5 cases (38%). Respiratory symptoms such as cough, sputum, hemoptysis, dyspnea and chest pain were observed in 4 cases (31%). Pulmonary tuberculosis was noted in 11 cases (85%). Other extrapulmonary tuberculosis coexisted in 4 cases (31%). This suggests that surgical CTBLs may be manifestations of a systemic disease and might be difficult to treat. Most cases (92%) were stages 2 and 3 at the initial diagnostic period but all cases fell into stage 4 and 5 when reassesed before surgery. The average duration of anti-TB chemotherapy before and after surgery was 10.2 and 15.2 months, respectively. The 13 patients were followed up until June. 2008. Among them, 2 cases had newly developed CTBL and the other 11cases showed no recurrence. Conclusion: In principle, CTBL is the medical disease. However, despite the appropriate course of anti-TB chemotherapy, CTBL can progress to a more advanced stages and grow rapidly to a large-sized or fistulous mass with a persistent abscess. Surgical treatment may be inevitable for patients with psychosocial and cosmetic problems caused by these masses, particularly in young women.