The aim of the present study is to try to quantify the changes in somatotypes and to determine, if any, the distinctive features of young Koreans while they are growing. It is based on the data offered by the Korean National survey of 1997 and the subjects taken in account were those ranging from 6 to 17 years of age. The analized contents used by us here were the annual growth rates, the body shape grouping by canonical analysis statistical method and body proportion rate changes. 1. The result for the growth rates showed that youngsters have their peak growth velocity between 12 and 14 years of age in case of boys and between 8 and 10 in case of girls. 2. The result for the body shape grouping shows that, the body type of the young childhood (from 6 to 9 years of age), the body type of the puberty (from 10 to 12 years of age) and the body type of the junior adolescent (from 13 to 15 years of age), thus, leads us to distinguish 3 groups. 3. As examples of items body proportion rates, we found for instance that the ratio of the span for the height was 0.996H in case of grown males Korean between 18~24 years of age, 0.994H for ages from 25 to 50, and in case of grown females 0.984H for ages 18~24 and 0.985H for ages 25~50, showing then a slightly longer ratio for males. There was no noticable differences though betwen the two big age groups (18~24 years of age and 25~50 years of age). 4. Body proportion rates showed also that the grown-up body features were attained in average both for boys and girls, around the age of 13 years.
Adolescent* ; Female ; Humans ; Male ; Puberty ; Somatotypes*

The present study was performed to examine wearing sensibility related to body shape in middle aged women. Body measurements, front and side views and index values between girth measurements were used as the body shape comparison elements. The results obtained are as follows. 1. Bust girth, waist girth and hip girth in middle aged women showed greater values (respectively : 6%, 11.4% and 3.4%) than in young aged women. 2. For the drop value between hip girth and bust girth, the results were 7.3 cm in tweenties, 3.6 cm in thirties, 4.2 cm in forties, 1.5 cm in fifties and 0.7 cm in sixties. 3. Front and side shape examination: Assuming a value of 1.00 for the waist breadth and waist depth, the results in middle aged women were 0.7 and 1.2 in nipple and hip breadth, and 1.1 and 1.1 in bust and hip depth. 4. The sensibility related to body shape, abdoman, waist and arm were most reshaped elements by aging.
Aging ; Arm ; Female ; Hip ; Humans ; Middle Aged* ; Nipples

Presurgical maxillary orthodontics during neonatal period has been advocated to facilitate cleft lip and/or palate cases through correcting widened alveolar bone and twisting or bending protruded premaxilla. This may improve post-orthodontic surgical lip repair procedure. Premaxilla cannot be moved into the correct position by a passive acrylic appliance alone. Therefore active acrylic appliance may be necessary and force vector, amount and stability of appliance are mandatory. Because neonatal infant still doesn't have a fully grown face, there may be some limitations to apply proper active force to the patient. The authors devised a new active stabilized extraoral appliance which provided stable extraoral force in the cleft lip and/or palate patients. We applied our new device to 2 infants with unilateral and bilateral cleft lip and palate. Stability of extraoral part has been increased by elastic rubber band, and the intraoral part is firmly connected to extraoral part. By using this device, the gap has decreased from 11.5mm to 6.5mm between right and left alveolar ridge in 1-month infant with unilateral case after 7 weeks. In 2-month infant with bilateral cleft, the length between premaxilla and alveolar ridge decreased from 6.5mm to 2.0mm after 4 weeks. We think our intraoral active stabilized orthodontic appliance could be widly used in cleft patients to put their maxillary segments to desirable position. This procedure makes the cleft lip surgery easier, with less tension.
Alveolar Process ; Cleft Lip* ; Cleft Palate ; Humans ; Infant ; Lip ; Orthodontic Appliances ; Orthodontics ; Palate* ; Rubber

PURPOSE: To determine if short term effects of intravitreal anti-vascular endothelial growth factor or steroid injection are correlated with fluid turbidity, as detected by spectral domain optical coherence tomography (SD-OCT) in diabetic macular edema (DME) patients. METHODS: A total of 583 medical records were reviewed and 104 cases were enrolled. Sixty eyes received a single intravitreal bevacizumab injection (IVB) on the first attack of DME and 44 eyes received triamcinolone acetonide treatment (IVTA). Intraretinal fluid turbidity in DME patients was estimated with initialintravitreal SD-OCT and analyzed with color histograms from a Photoshop program. Central macular thickness and visual acuity using a logarithm from the minimum angle of resolution chart, were assessed at the initial period and 2 months after injections. RESULTS: Visual acuity and central macular thickness improved after injections in both groups. In the IVB group, visual acuity and central macular thickness changed less as the intraretinal fluid became more turbid. In the IVTA group, visual acuity underwent less change while central macular thickness had a greater reduction (r = -0.675, p = 0.001) as the intraretinal fluid was more turbid. CONCLUSIONS: IVB and IVTA injections were effective in reducing central macular thickness and improving visual acuity in DME patients. Further, fluid turbidity, which was detected by SD-OCT may be one of the indexes that highlight the influence of the steroid-dependent pathogenetic mechanism.
Aged ; Angiogenesis Inhibitors/*therapeutic use ; Bevacizumab/*therapeutic use ; Diabetic Retinopathy/*drug therapy/physiopathology ; Female ; Glucocorticoids/*therapeutic use ; Humans ; Intravitreal Injections ; Macular Edema/*drug therapy/physiopathology ; Male ; Middle Aged ; Nephelometry and Turbidimetry ; Retina/pathology ; *Subretinal Fluid ; Tomography, Optical Coherence ; Treatment Outcome ; Triamcinolone Acetonide/*therapeutic use ; Vascular Endothelial Growth Factor A/antagonists & inhibitors ; Visual Acuity/physiology

This study explored the experiences of pregnant women with depressed mood participating ina group cognitive behavioral therapy (CBT) program using video communication, based on Beck’s cognitive theory.Methods: The participants were six pregnant women out of 13 women who had participated in an 8-session group CBT program using video communication for women with depressed mood (EdinburghPostnatal Depression score of ≥9). Data were collected from February 20 through March 25, 2021. Indepth individual interviews were conducted through a video conferencing platform at 1 month post-baseline. Thematic analysis was done.Results: Three themes, 10 subthemes, and 38 concepts were derived from experiences of participating inthe 4-week group CBT program (twice a week). The first theme, entitled “continuing realization” hadsubthemes of “a negative and instable self,” “a selfish judgment that excludes others,” and “a strong beliefin self-control.” The second theme, entitled “attempt to change for restoration” had subthemes of “shift torational thinking,” “freedom from suppressed beliefs,” “tolerance of other people,” and “courage for self-expression.” The third theme, entitled “departure for a positive life,” had subthemes of “emotional healing,”“faith in oneself,” and “reestablishing the criteria for happiness.”Conclusion: Pregnant women with depressed mood expressed that continuing realizations and attemptsto change supported their transition toward a positive direction of healing. Thus, they were able to changetheir distorted thinking into rational thinking through CBT using video communication. These findingssupport the use of group CBT using video communication with pregnant women who have depressedmood.

OBJECTIVES: The current survey environment is changing and participation rates in national nutrition surveys are decreasing. Therefore, the purpose of this study was to develop strategies for improving the nutrition survey system in the Korea National Health and Nutrition Examination Survey (KNHANES). METHODS: To develop an alternative system for conducting the KNHANES nutritional survey, we conducted focus group interviews with stakeholders of the survey, SWOT (Strengths, Weaknesses, Opportunities, and Threats) analysis, and expert reviews. In addition, spatial analysis of potential sites for conducting surveys instead of relying on household visits was performed, and the perception of nutritional surveys in the population eligible for KNHANES was evaluated. RESULTS: Based on the results of the focus group interviews, SWOT analysis, and expert reviews, we propose two options for survey sites: vehicles specifically prepared for nutritional surveys and public facilities such as community service centers or public health centers. Among public facilities, community service centers were found to be more appropriate sites than public health centers because they were considered more accessible. About 90% of respondents would participate in the survey in public facilities and about 74% would in vehicles. CONCLUSIONS: Conducting national nutrition surveys in specially designed vehicles and public facilities could be a viable alternative to home visits. Next, the validity of these newly proposed nutrition survey methods needs to be compared to the results of the current national nutrition survey.
Family Characteristics ; Focus Groups ; House Calls ; Korea ; Nutrition Surveys ; Public Facilities ; Public Health ; Social Welfare ; Spatial Analysis ; Surveys and Questionnaires

OBJECTIVES: The current survey environment is changing and participation rates in national nutrition surveys are decreasing. Therefore, the purpose of this study was to develop strategies for improving the nutrition survey system in the Korea National Health and Nutrition Examination Survey (KNHANES). METHODS: To develop an alternative system for conducting the KNHANES nutritional survey, we conducted focus group interviews with stakeholders of the survey, SWOT (Strengths, Weaknesses, Opportunities, and Threats) analysis, and expert reviews. In addition, spatial analysis of potential sites for conducting surveys instead of relying on household visits was performed, and the perception of nutritional surveys in the population eligible for KNHANES was evaluated. RESULTS: Based on the results of the focus group interviews, SWOT analysis, and expert reviews, we propose two options for survey sites: vehicles specifically prepared for nutritional surveys and public facilities such as community service centers or public health centers. Among public facilities, community service centers were found to be more appropriate sites than public health centers because they were considered more accessible. About 90% of respondents would participate in the survey in public facilities and about 74% would in vehicles. CONCLUSIONS: Conducting national nutrition surveys in specially designed vehicles and public facilities could be a viable alternative to home visits. Next, the validity of these newly proposed nutrition survey methods needs to be compared to the results of the current national nutrition survey.
Family Characteristics ; Focus Groups ; House Calls ; Korea ; Nutrition Surveys ; Public Facilities ; Public Health ; Social Welfare ; Spatial Analysis ; Surveys and Questionnaires

OBJECTIVES: According to the World Health Organization, there have been frequent reports of Ebola virus disease (EVD) since the 2014 EVD pandemic in West Africa. We aim to estimate the outbreak scale when an EVD infected person arrives in Korea. METHODS: Western Africa EVD epidemic mathematical model SEIJR or SEIJQR was modified to create a Korean EVD outbreak model. The expected number of EVD patients and outbreak duration were calculated by stochastic simulation under the scenarios of Best case, Diagnosis delay, and Case missing. RESULTS: The 2,000 trials of stochastic simulation for each scenario demonstrated the following results: The possible median number of patients is 2 and the estimated maximum number is 11 when the government intervention is proceeded immediately right after the first EVD case is confirmed. With a 6-day delay in diagnosis of the first case, the median number of patients becomes 7, and the maximum, 20. If the first case is missed and the government intervention is not activated until 2 cases of secondary infection occur, the median number of patients is estimated at 15, and the maximum, at 35. CONCLUSIONS Timely and rigorous diagnosis is important to reduce the spreading scale of infection when a new communicable disease is inflowed into Korea. Moreover, it is imperative to strengthen the local surveillance system and diagnostic protocols to avoid missing cases of secondary infection.

PURPOSE: The use of mechanical compression devices may be considered as an alternative method to treat cardiac arrest. This study aimed to assess the influence of vertical location of cardiac arrest scene to survival rate. Furthermore, it set out to examine the effect of mechanical compression devices on the survival rate. METHODS: This is retrospective, observational study of cardiac arrest patients from Gangdong-gu, Seoul between September 2015 and February 2016. The data were collected by 119 rescue records and cardiac arrest summary list, and the resuscitation result variables were analyzed. We also conducted a survey on 119 paramedics regarding the subjective valuation and drawback of using mechanical compression devices. RESULTS: The odd ratio of return of spontaneous circulation (ROSC) in vertical location of cardiac arrest scene was 0.40 (95% confidence interval, 0.17 to 0.98; p=0.044). The odd ratio of survival to admission comparing manual compression with mechanical compression was 0.73 (95% confidence interval, 0.26 to 1.99; p=0.532). A total of 54 paramedics completed the survey, and 46 (85.2%) of them answered that there was a decrease in the quality of chest compression if the scene was other than the 1st floor. Fifty-three (93.1%) replied that mechanical compression devices can be a counter-measure. CONCLUSION: Vertical location of cardiac arrest scene independently effects ROSC of out of hospital cardiac arrest. However, there was no difference in the survival rate between manual and mechanical compressions.
Allied Health Personnel ; Cardiopulmonary Resuscitation* ; Heart Arrest* ; Humans ; Methods ; Observational Study* ; Out-of-Hospital Cardiac Arrest* ; Resuscitation ; Retrospective Studies* ; Seoul ; Survival Rate ; Thorax

Background: The most recent variant of concern, omicron (B.1.1.529), has caused numerous cases worldwide including the Republic of Korea due to its fast transmission and reduced vaccine effectiveness. Methods: A mathematical model considering age-structure, vaccine, antiviral drugs, and influx of the omicron variant was developed. We estimated transmission rates among age groups using maximum likelihood estimation for the age-structured model. The impact of non-pharmaceutical interventions (NPIs; in community and border), quantified by a parameter μ in the force of infection, and vaccination were examined through a multi-faceted analysis. A theory-based endemic equilibrium study was performed to find the manageable number of cases according to omicron- and healthcare-related factors. Results: By fitting the model to the available data, the estimated values of μ ranged from 0.31 to 0.73, representing the intensity of NPIs such as social distancing level. If μ < 0.55 and 300,000 booster shots were administered daily from February 3, 2022, the number of severe cases was forecasted to exceed the severe bed capacity. Moreover, the number of daily cases is reduced as the timing of screening measures is delayed. If screening measure was intensified as early as November 24, 2021 and the number of overseas entrant cases was contained to 1 case per 10 days, simulations showed that the daily incidence by February 3, 2022 could have been reduced by 87%. Furthermore, we found that the incidence number in mid-December 2021 exceeded the theory-driven manageable number of daily cases. Conclusion NPIs, vaccination, and antiviral drugs influence the spread of omicron and number of severe cases in the Republic of Korea. Intensive and early screening measures during the emergence of a new variant is key in controlling the epidemic size. Using the endemic equilibrium of the model, a formula for the manageable daily cases depending on the severity rate and average length of hospital stay was derived so that the number of severe cases does not surpass the severe bed capacity.