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Kim, Ga Yeong,Lee, Sang Bin,Moon, Ok Kon,Kim, Ji Sung,Choi, Jung Hyun,Wang, Jung San,Park, Joo Hyun,Kim, Hong Rae,Lee, Ju Hwan,Min, Kyung Ok International Academy of Physical Therapy Research 2014 Journal of International Academy of Physical Ther Vol.5 No.2
This study investigated the effects of changes to the pulsation factor of pulsed direct currents on wound healing. Patients with a pressure ulcer at a care hospital for the elderly were randomly divided into three groups: Group 1 involved the application of $100{\mu}s$ in pulse duration, 10 ms in pulse period, 100 pps in a pulsation factor, 15 mA in pulse amplitude, and polarity red+ by using pulsed direct currents; Group 2 involved a change of pulse period to 8 ms; and Group 3 received general wound management. Although there were no statistically significant differences in the changing stages of pressure ulcers among the groups, all the groups dropped in numerical stages. In the two groups to which pulsed direct currents were applied, there was a statistically significant reduction in the stages of pressure ulcers from the initial assessment to the 12-week assessment (p<.05). Even though there were no statistically significant differences in changes to the area of pressure ulcers among the groups, a statistically significant decrease was found in pulsed direct current group 2 whose pulse period was shortened (p<.05). There was no difference in the healing rate of pressure ulcers among the groups, but it made a numerical increase in pulsed direct current group 1 and group 2 and a numerical decrease in group 3. There were no significant differences in the characteristics of those who had a full recovery among the groups. Those findings indicate that pulsed direct currents have positive effects on the wound healing of patients with a pressure ulcer and that a treatment with pulsed direct currents whose pulsation factor is raised by reducing the pulse duration is especially effective.
Recent Occurrence Status of Stink Bugs and Association Diseases by Climate Change in Peach Orchards
San-Yeong Kim,Hee-Jung Son,Won-Heum Park,Suk-Hee Lee,Yong-Jeong Kwon 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.04
Recently, peach orchards Plautia stali, Halyomorpha halys, Apolygus spinolae, etc. several species of stink bugs continually damaged. This study using a aggregation pheromone were Riptortus clavatus forecasting investigated at cheongdo, Gyeongsan, Youngchun, etc. gyeongbuk province. As a result, emergence time and population density differences, respectively. The population density of R. pedestris the first time that occur was in mid-April in 2011 and 2012. In March 2013, under the influence of high temperatures in the first occur early April after a temporary increase in the first occur, due to low temperature occur in the early or mid May. Stink bugs leaf damage late April until mid-May increased, while the decrease rainy season increased again in the early August. fruit is severe damaged from mid-May to mid-June and early or mid August. Time period pesticide applications to examine the control effect of stink bugs from 7 a.m. to 7 p.m. separated by four kinds of insecticides treatment. when spray insecticides 7 a.m. the control effect was higher in the treatment group. These results suggest that, stink bugs of the peach fruit through the feeding area, young fruit stage Xanthomonas arboricola pv. pruni and maturation stage Monilia fruticola secondary increased a cause of disease damage.