The objective of this study was to apply the multiple ovulation and embryo transfer (MOET) program practically in dairy herds. Forty five superior Holstein cows ranked in 5% according to Type-Production Index(TPI) in Korea were selected as donors. The donors were superovulated with pFSH and the embryos collected from donors were frozen and preserved. The preserved embryos and frozen Holstein embryo imported from foreign country were thawed and transferred to recipients. The results obtained were as follows; 1. The total number of ova and freezable embryos collected per donor was 6.5 and 2.8, respectively. 2. The freezable embryos were obtained more(p<0.05) when the body condition score (BCS) of donors was in range of 2.50∼3.25(4.1) than in range of 3.50∼4.00(1.9), while the total number of ova was not changed. 3. The season affected on the collected number of freezable embryos(6.1 in winter, 4.5 in fall, 1.1∼1.5 in spring and summer, P<0.05), and the total number of obtained ova were more in winter than in other seasons(P<0.05). 4. Embryos were transferred to 343 recipients and 152 cows were confirmed pregnant(44.3%). 5. The higher pregnancy was obtained (P<0.05) when embryos were transferred in summer(53.3%) than in fall(36.0%), while the pregnancy rate was not affected by the origin and developmental stage of embryos, and the parity, BCS and estrus induction of recipients. From these results, the pregnancy rate was considered to be acceptable for the embryo transfer with domestic or imported Holstein embryos, however embryo production from superior Holstein donors was unsatisfactory for application of MOET scheme.
Background: The effect of lumbar spinal stenosis (LSS) and peripheral vascular disease (PVD), which occurs with similar degenerative conditions, when seen together, has not been studied. The aim of this study is to examine and compare the relationship between pain, balance, disability, fear of falling, and kinesiophobia in LSS patients with intermittent vascular claudication (IVC). Methods: Seventy-two patients diagnosed with LSS using magnetic resonance imaging participated in this study. Thirty-five patients with IVC symptoms and showing vascular lesions by lower extremity venous and arterial Doppler ultrasonography imaging were included in the IVC-LSS group. The pain, static balance, dynamic balance, disability, fear of falling, and kinesiophobia were evaluated using the numeric rating scale, single leg stance test, Time Up and Go (TUG), the Oswestry Disability Index (ODI), Fall Efficacy Scale-International (FES-I), and Tampa Scale for Kinesiophobia (TSK), respectively. Results: Age and female sex were found to be higher in the IVC-LSS group (P = 0.024; P = 0.012). The IVC-LSS group had a shorter single leg stance time and TUG test duration, pain intensity, ODI, FES-I, and TSK scores were higher than patients with LSS (P = 0.001). Pain, fear of falling, and kinesiophobia were moderately correlated with disability in the IVC-LSS group. No relationship was found between pain and dynamic balance. Also, the pain was not related to kinesiophobia. Conclusions: The findings indicated that IVC causes loss of balance and an increase in pain, disability, fear of falling, and kinesophobia in patients with LSS.
Park, Sang Kyoon;Ryu, Sihyun;Kim, Jongbin;Yoon, Sukhoon;Ryu, Jiseon
Korean Journal of Applied Biomechanics
/
v.29
no.2
/
pp.113-119
/
2019
Objective: The purpose of this study was to investigate the effect of the falls on the center of pressure (CoP) complexity during gait using non-linear approximate entropy (ApEn). Method: 20 elderly women with experience of falling ($age=72.55{\pm}5.42yrs$; $height=154.40{\pm}4.26cm$; $body\;weight=57.40{\pm}6.21kg$; $preferred\;gait\;speed=0.52{\pm}0.17m/s$) and 20 elderly women with no experience of falling ($age=71.90{\pm}2.90yrs$; $height=155.28{\pm}4.73cm$; $body\;weight=56.70{\pm}5.241kg$; $preferred\;gait\;speed=0.56{\pm}0.13m/s$) were recruited for the study. While they were walking at their preferred gait speed on a treadmill (instrumented dual belt treadmills, Bertec, USA) with a force plate CoP data were collected for the 20 strides. The complexity of the CoP was analyzed using the ApEn technique. Results: The ApEn of the medial-lateral CoP in the fallers showed smaller about 16% compared to the non-fallers (p<.05). The ApEn of the antero-posterior CoP of the fallers showed smaller about 12% compared to the non-fallers, but the difference was not statistically significant. Conclusion: Based on the results of this study, the reduction of the medio-lateral CoP complexity in the elderly gait would be an index to determine the potential fall.
Purpose: The objective of this study was to report the incidence of falls in hospitals and analyze the risk factors for falls. Methods: This study used data on 1,216 patients who experienced falls from 2015 to 2017 during their hospitalization. The data was collected from the falls incident reports and patient' electronic medical record of hospital. Data were analyzed with descriptive statistics using Chi-square test, Fisher's exact test and multiple Poisson regression analysis with the SAS 9.4 Results: The incidence of falls was 1.38 per 1,000 patients days (2015), 1.81 per 1,000patients days (2016) and 1.99 per 1,000patients days (2017). The incidence of injury caused by falls (level III~V) was 0.05 per 1,000patients days (2015), 0.04 per 1,000patients days (2016) and 0.06 per 1,000patients days (2017). The largest number of falls occurred during night shift (42.5%), specifically in the patients' room (70.8%), and medical unit (66.0%). Average age of fallers was 69.1 years and 61.7% of them were older than 71 years. CCI and the patient's department have statistically significant differences in injury or injury levels from falls, but the integrated nursing care services had no significant difference in injury or injury levels from falls. Conclusion: The result of this study can be used as a reference for establishing a fall prevention strategy for hospitalized patients by presenting index values such as the fall rate.
The practice of asphalt pavement recycling has grown rapidly over the decade, one of which is the cold in-place recycling with the foamed asphalt (CIR-foam) or the emulsified asphalt (CIR-emulsion). Particularly, in Iowa, the CIR has been widely used in rehabilitating the rural highways because it significantly increases the service life of the existing pavement. The CIR layer is typically overlaid by the hot mix asphalt (HMA) to protect it from water ingress and traffic load and obtain the required pavement structure and texture. Most public agencies have different curing requirements based on the number of curing days or the maximum moisture contents for the CIR before placing the overlay. The main objective of this study is to develop a moisture loss index that the public agency can use to monitor the moisture content of CIR layers in preparation for a timely placement of the wearing surface. First, the moisture contents were measured in the field using a portable time domain reflectometry (TDR) device. Second, the weather information in terms of rain fall, air temperature, humidity and wind speed was collected from the same location. Finally, a moisture loss index was developed as a function of initial moisture content, air temperature, humidity and wind speed. The developed moisture loss index based on the field measurements would help the public agency to determine an optimum timing of an overlay placement without continually measuring moisture conditions in the field.
Kim, Byung-Tae;Koong, Sung-Soo;Bom, Hee-Seung;Chung, June-Key;Park, Young-Bae;Lee, Myung-Chul;Lee, Young-Woo;Koh, Chang-Soon
The Korean Journal of Nuclear Medicine
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v.21
no.2
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pp.175-182
/
1987
For measurement of ventricular performance, ejection fraction (EF) has gained wide acceptance. But EF is influenced not only by changes in muscle function but also by changes in cardiac loading conditions. In case of valvular heart disease which is variable in loading conditions, EF cannot be reliable as an index of myocardial contractility. The end systolic pressure (ESP)-end systolic volume (ESV) relation, howver, is known to represent myocardial contractility, independent of changes in loading conditions. Similar results can be obtained by using peak-systolic pressure (PSP) instead of ESP. To evaluate the utility of the peak systolic pressure-end systolic volume index (PSP-ESVI) relation as an index of myocardial function, we measured $PSP&ESVI$ in 19 partents with coronary artery disease before $(PSP_1\;&\;ESVI_1)$ and after $(PSP_2\;&\;ESVI_2)$ sublingual administration of nitroglycerin. PSP was measured with standard mercury sphygmomanometer during gated blood pool scintigraphic study. ESVI was measured by count derived method after attenuation correction. $PSP_2\;&\;ESVI_2$ measurement was started when the fall of PSP was greater than 5 mmHg after 7-14 minutes post-administration of nitroglycerin. Mean values $({\pm}S.D.)$ of $PSP_1\;&\;ESVI_1$ was $124.9({\pm}20.7)mmHg\;&\;59.4({\pm}39.9)ml/M^2$. Mean values $({\pm}S.D)$ of $PSP_2\;&\;ESVI_2$, was $113.2({\pm}19.9)mmHg\;&\;37.5({\pm}26.1)ml/M^2$. There was a significant difference between mean values of $PSP_1\;&\;PSP_2$, (p<0.01), and mean values of $ESVI_1\;&\;ESVI_2$, (p<0.01). $PSP_1-PSP_2/ESV_1-ESVI_2,\;PSP_1/ESVI_1$ and EF were in the range of 0.14-5.19 mmHg/ml/$M^2$, 0.67-7.68 mmHg/ml/$M^2$ and 10.8%-74.5% respectively. $PSP_1-PSP_2/ESVI_1-ESVI_2$, and EF showed exponential correlation (r=0.85, P<0.01). The correlation coefficient between $PSP_1/ESVI_1$ and EF was 0.73(p<0.01). With the above results, we suggest that $PSP_1-PSP_2/ESVI_1-ESVI_2$, and $PSP_1/ESVI_1$, can be used as an index of myocardial function.
Objective: The purpose of this retrospective study was to investigate the relationship between temperature-humidity index (THI), season, and conception rate (CR) of Holstein cows in central Taiwan. Methods: The mean performance and number of observations were statistically evaluated for various parameters, including age at first service, number of days open, gestation length, CR, and calving interval for different parities. Results: The results indicate that the mean age at first service was 493.2 days; the gestation length was similar across all cows of different parities, ranging from 275.1 to 280.7 days. The overall CR of all inseminations was significantly lower in multiparous cows ($47.26%{\pm}0.22%$) than in heifers ($57.14%{\pm}0.11%$) (p<0.05). At THI>72 and during the hot season (from June to November), CRs for multiparous cows were significantly reduced compared to that for heifers, while the ratio remained unchanged among heifers for all seasons. Conclusion: To achieve a high CR, lactating cows should be bred in winter and spring (from December to May) from the start of the seasonal breeding program, whereas the heifer should be allowed to breed in summer and fall under the subtropical climate in Taiwan.
Purpose: The evidence for an association between inflammatory bowel disease (IBD) and obesity is conflicting. Therefore, we set out to review the body mass index (BMI) at presentation of IBD to understand if the rise of the obesity rate in the general population, lead to an increase of obesity in patients with IBD at the time of diagnosis. Methods: Retrospective review of all patients with IBD seen at Children's Hospital and Medical Center from January 1st 2010 to December 31st 2014. From the initial visit and endoscopy, we obtained: age; sex; BMI; disease phenotype; disease severity. Results: We had a total of 95 patients, 35 patients were excluded due to incomplete data or referral being made after diagnosis was made. 28 were males and 32 were females, Age range was 2-17 years. A 37 had Crohn's disease, 19 ulcerative colitis, and 4 indeterminate colitis. Disease severity in 19 cases was mild, 29 moderate and 12 severe. BMI distribution was as follows-obese (5.0%), overweight (6.7%), normal weight (65.0%), mild malnutrition (8.3%), moderate malnutrition (15.0%), severe malnutrition (1.7%). Conclusion: Our data is consistent with other series. Showing most children had a normal BMI, regardless of disease severity or phenotypes. One confounding factor is the possibility of delay in referral to GI. This could mean some obese children may fall in the normal BMI range at the time of diagnosis due to ongoing weight loss. Future studies should include prospective cohort studies, comparing incidence of IBD in obese and non-obese patients, severity at presentation, duration of symptoms, and clinical outcomes.
Several planktonic dinoflagellates, including Cochlodinium polykrikoides (p), are known to produce red tides responsible for massive fish kills and serious economic loss in turbid Northwest Pacific (Korean and neighboring) coastal waters during summer and fall seasons. In order to mitigate the impacts of these red tides, it is therefore very essential to detect, monitor and forecast their development and movement using currently available remote sensing technology because traditional ship-based field sampling and analysis are very limited in both space and temporal frequency. Satellite ocean color sensors, such as Sea-viewing Wide Field-of-view Sensor (SeaWiFS), are ideal instruments for detecting and monitoring these blooms because they provide relatively high frequency synoptic information over large areas. Thus, the present study attempts to evaluate the red tide index methods (previously developed by Ahn and Shanmugam et al., 2006) to identify potential areas of red tides from SeaWiFS imagery in Korean and neighboring waters. Findings revealed that the standard spectral ratio algorithms (OC4 and LCA) applied to SeaWiFS imagery yielded large errors in Chl retrievals for coastal areas, besides providing false information about the encountered red tides in the focused waters. On the contrary, the RI coupled with the standard spectral ratios yielded comprehensive information about various ranges of algal blooms, while RCA Chl showing a good agreement with in-situ data led to enhanced understanding of the spatial and temporal variability of the recent red tide occurrences in high scattering and absorbing waters off the Korean and Chinese coasts. The results suggest that the red tide index methods for the early detection of red tides blooms can provide state managers with accurate identification of the extent and location of blooms as a management tool.
1. Objectives: Sasang Medicine has been based on different medicine approach because people were different, so, this was a little different concept about health compared to other oriental and western medicine focused on existing Yangsaeng theory. We were announced Constitution health indicators for women, and this was follow-up study designed to identify Constitutional health indicators in men. 2. Methods: We recruited 171 men between 10 and 80, excluding individuals who have physically or psychologically serious disease among Korean population in Traditional Korea Clinics. They were diagnosed by Sasang Constitution specialists and confirmed clinically with Sasang constitution drug response with past medical records. We used CRF(Case Report Form, C-2009-002439) as measurement of physiological and pathological symptoms and SF-36 (Short Form-36) as measurement of health state. We analyzed association between physiological and pathological symptoms and health state with Two-way ANOVA. 3. Results: 23 items of 82 indicators in physiological and pathological symptoms were related to the quality of life, regardless of the constitution. There are 4 different symptoms associated with health state in men, such as regular of feces, hard to fall asleep, no problem in chest, feel heavy in chest according to Sasang Constitution. 4. Conclusions: From these Results, there are different items of physiological and pathological affected the Quality of life according to Sasang Constitution.
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