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Jwa-Jun Kim,Dae-Kyung Kim,Jae-Yong Kim,Jae-Wook Shin,Se-Yeon Park 대한고유수용성신경근촉진법학회 2019 PNF and Movement Vol.17 No.2
Purpose: Although multi-directional reaching exercises are commonly used clinically, the effects of specific movement directions on the muscle systems of the lower extremities have not been explored. We therefore investigated lower extremity muscle activity during reaching exercises with different sagittal and horizontal plane movements. Methods: The surface electromyography responses of the bilateral rectus femoris, tibialis anterior, peroneus longus, and gastrocnemius muscles were measured during reaching exercises in three directions in the horizontal plane (neutral, 45°horizontal shoulder adduction, and 45°abduction) and three directions in the sagittal plane (neutral, 120° flexion, and 60° flexion). A total of 20 healthy, physically active participants completed six sets of reaching exercises. Two-way repeated ANOVA was performed: body side (ipsilateral and contralateral) was set as the intra-subject factor and direction of reach as the inter-subject factor. Results: Reaching at 45° horizontal shoulder adduction significantly increased the activity of the contralateral rectus femoris and gastrocnemius muscles, while 45° horizontal shoulder abduction activated the ipsilateral rectus femoris and gastrocnemius muscles. The rectus femoris activity was significantly higher with reaching at a 120° shoulder flexion compared to the other conditions. The gastrocnemius activity decreased significantly as the shoulder elevation angle increased from 60° to 120°. Conclusion: Our results suggest that multi-directional reaching stimulates the lower extremity muscles depending on the movement direction. The muscles acting on two different joints responded to the changes in reaching direction, whereas the muscles acting on one joint were not activated with changes in reaching direction.
Kim, Jwa-Jun,Kim, Dae-Kyung,Kim, Jae-Yong,Shin, Jae-Wook,Park, Se-Yeon Korea Proprioceptive Neuromuscular Facilitation As 2019 PNF and Movement Vol.17 No.2
Purpose: Although multi-directional reaching exercises are commonly used clinically, the effects of specific movement directions on the muscle systems of the lower extremities have not been explored. We therefore investigated lower extremity muscle activity during reaching exercises with different sagittal and horizontal plane movements. Methods: The surface electromyography responses of the bilateral rectus femoris, tibialis anterior, peroneus longus, and gastrocnemius muscles were measured during reaching exercises in three directions in the horizontal plane (neutral, $45^{\circ}$ horizontal shoulder adduction, and $45^{\circ}$ abduction) and three directions in the sagittal plane (neutral, $120^{\circ}$ flexion, and $60^{\circ}$ flexion). A total of 20 healthy, physically active participants completed six sets of reaching exercises. Two-way repeated ANOVA was performed: body side (ipsilateral and contralateral) was set as the intra-subject factor and direction of reach as the inter-subject factor. Results: Reaching at $45^{\circ}$ horizontal shoulder adduction significantly increased the activity of the contralateral rectus femoris and gastrocnemius muscles, while $45^{\circ}$ horizontal shoulder abduction activated the ipsilateral rectus femoris and gastrocnemius muscles. The rectus femoris activity was significantly higher with reaching at a $120^{\circ}$ shoulder flexion compared to the other conditions. The gastrocnemius activity decreased significantly as the shoulder elevation angle increased from $60^{\circ}$ to $120^{\circ}$. Conclusion: Our results suggest that multi-directional reaching stimulates the lower extremity muscles depending on the movement direction. The muscles acting on two different joints responded to the changes in reaching direction, whereas the muscles acting on one joint were not activated with changes in reaching direction.
Effects of Sweet Potato Fractions on Alcoholic Hangover and Gastric Ulcer
Jwa Jin Kim,Chang Whan Kim,Dongsun Park,Sunhee Shin,Jeong Hee Jeon,Min-Jung Jang,Hyeong-Jin Ji,Namgil O,Jugyeong Song,Jinsoo Lee,Byung-Yul Kim,Ehn-Kyoung Choi,Seong Soo Joo,Seock-Yeon Hwang,Yun-Bae Ki 한국실험동물학회 2008 Laboratory Animal Research Vol.24 No.2
Reddish purple-colored fruits and vegetables contain high level of anthocyanins, which are well known to exert antioxidant, cardioprotective and hepatoprotective actions. In the present study, the effects of sweet potato fermentation filtrate (SPF) and its fractions on alcoholic hangover and gastric ulcer were investigated. In order to evaluate antihangover effect, male Sprague-Dawley rats were orally administered with SPF (240 or 750 ㎎/㎏) 30 min prior to or 60 min after oral challenge with 3 mL/㎏ of ethyl alcohol (15 mL/㎏ of 20% in water), and the blood concentration of alcohol were analyzed up to 5 hours. Pretreatment with 240 and 750 mg/kg of SPF significantly reduced the blood ethanol concentration by 20-25% and 50-60%, respectively, which was superior to the effect of the Hovenia dulis Thunb extract. In addition, posttreatment of SPF enhanced the alcohol-clearance rate to 2.8 and 3.1 folds at doses of 240 and 750 ㎎/㎏, respectively. In comparison, liquid portion of SPF exerted similar antihanover effect to SPS, whereas the effect of purified anthocyanins was negligible, indicating that active ingredients are included in the liquid portion. For the assessment of antiulcer activity, fractions of SPF were orally treated 30 min before oral administration of absolute ethanol (3 mL/㎏) and intravenous injection of 1% Evan's blue (0.5 mL/㎏). One hour later, the ulcer index (㎜ of ulcer lesions) was measured, and dye leakage on the gastric wall was quantified by extracting the dye with formamide. SPF and its liquid portion (300 ㎎/㎏) near-fully prevented the ethanol-induced gastric ulcer and significantly reduced the Evan's blue leakage, while the purified anthocyanins were ineffective. Among subfractions, buthanol fraction of SPFliquid portion exerted a substantial antiulcer activity, which was superior to water and methanol fractions. Taken together, it was demonstrated that SPF possesses antihangover and antiulcer activities, and that buthanol fraction of SPF-liquid portion contains active ingredients. Therefore, it is suggested that SPF or its buthanol fraction could be a potential candidate for the attenuation of hangover and gastric ulcers induced by excessive drinking of alcohol, although the action mechanisms remain to be clarified.
The Prognosis of Gastroschisis and Omphalocele
Jwa, Eunkyoung,Kim, Seong Chul,Kim, Dae Yeon,Hwang, Ji-Hee,Namgoong, Jung-Man,Kim, In-Koo Korean Association of Pediatric Surgeons 2014 소아외과 Vol.20 No.2
Purpose: Gastroschisis and omphalocele are major anterior abdominal wall defects. The purpose of this study was to analyze the clinical differences and mortalities of gastroschisis and omphalocele in Asan Medical Center. Methods: A retrospective review of the medical records was conducted of 103 cases of gastroschisis and omphalocele from September 1989 to February 2013 in Asan Medical Center in Korea. Results: There were 43 cases (41.7%) of gastroschisis and 60 cases (58.3%) of omphalocele. There was a female predominance in both gastroschisis (60.5%) and omphalocele (58.3%). The average gestational age at delivery was $36.7{\pm}0.4$ weeks for both groups. The mean birth weights were $2,381.9{\pm}80.6g$ for gastroschisis and $2,779.4{\pm}82.8g$ for omphalocele (p=0.001). Mean maternal ages in the gastroschisis and omphalocele groups were $27.5{\pm}0.7$ years and $30.5{\pm}0.7$ years, respectively (p=0.002). Associated malformations were documented in 13 infants (30.2%) with gastroschisis and 46 infants (76.7%) with omphalocele (p<0.001). All of gastroschisis patients except one underwent surgery including 31 primary repairs and 11 staged repairs. Fifty-two infants with omphalocele underwent surgery-primary repair in 41 infants and staged repair in 11 infants. Among 103 cases, 19 cases (18.4%) expired. Mortality rates of gastroschisis and omphalocele were 23.3% (10/43 cases) and 15.0% (9/60 cases), respectively (p=0.287). The main causes of death were abdominal compartment syndrome (6/10 cases) in gastroschisis, respiratory failure (4/9 cases) and discharge against medical advice (4/9 cases) in omphalocele. Conclusion: Gastroschisisis was associated with younger maternal age and lower birth weight than omphalocele. Associated malformations were more common in omphalocele. The mortality rates did not make a statistical significance. This might be the improvement of treatment of cardiac anomalies, because no patient died from cardiac dysfunction in our study. Furthermore, abdominal compartment syndrome might be the main cause of death in gastroschisis.
Ji-Yeon Kang,Sang-Yup Kim,Jae-Seok Lim,Jwa-Young Kim,Ga-Youn Jin,Yeon-Jung Lee,Eun-Young Lee 대한악안면성형재건외과학회 2023 Maxillofacial Plastic Reconstructive Surgery Vol.45 No.-
Background Denosumab (DMB) is a bone antiresorptive agent used to treat osteoporosis or metastatic cancer of the bones. However, denosumab-associated osteonecrosis of the jaw (DRONJ) has become a common complication in cancer patients. The prevalence of osteonecrosis of the jaw (ONJ) in cancer patients is estimated to be similar for both bisphosphonate-related cases (1.1 to 1.4%) and denosumab-related cases (0.8 to 2%), with the addition of adjunctive therapy with anti-angiogenic agents reportedly increasing its prevalence to 3%. (Spec Care Dentist 36(4):231–236, 2016). The aim of this study is to report on DRONJ in cancer patients treated with DMB (Xgeva®, 120mg). Case presentation In this study, we identified four cases of ONJ among 74 patients receiving DMB therapy for metastatic cancer. Of the four patients, three had prostate cancer and one had breast cancer. Preceding tooth extraction within 2 months of the last DMB injection was found to be a risk factor for DRONJ. Pathological examination revealed that three patients had acute and chronic inflammation, including actinomycosis colonies. Among the four patients with DRONJ referred to us, three were successfully treated without complications and had no recurrence following surgical treatment, while one did not follow up. After healing, one patient experienced a recurrence at a different site. Sequestrectomy in conjunction with antibiotic therapy and cessation of DMB use proved to be effective in managing the condition, and the ONJ site healed after an average 5-month follow-up period. Conclusion Conservative surgery, along with antibiotic therapy and discontinuation of DMB, was found to be effective in managing the condition. Additional studies are needed to investigate the contribution of steroids and anticancer drugs to jaw bone necrosis, the prevalence of multicenter cases, and whether there is any drug interaction with DMB.
Jeong, Namjo,Kim, Han-ki,Kim, Won-sik,Choi, Ji Yeon,Han, Ji-hyung,Nam, Joo-youn,Hwang, Kyo Sik,Yang, SeungCheol,Jwa, Eun-Jin,Kim, Tae-Young,Park, Soon-Chul,Seo, Yong-Seog,Kim, Sung-in Elsevier 2019 Chemical engineering journal Vol.356 No.-
<P><B>Abstract</B></P> <P>The direct integration of two-dimensional nanostructures into macroscopic porous carbon substrates is essential for their practical use in potential applications, which is a big challenge due to the difficulty of securing uniform coating layers. In this work, we demonstrate a very simple and effective method for the direct coating of MoS<SUB>2</SUB> onto the surface of porous carbon structures having nano-sized pores, such as vertically aligned carbon nanotube arrays. A uniform coverage of MoS<SUB>2</SUB> over carbon substrates was achieved by chemical vapor deposition of gaseous species derived from starting precursors in a closed reactor. Transmission electron microscopy images, X-ray diffraction data, and Raman spectra confirmed the formation of highly crystalline MoS<SUB>2</SUB> layers. X-ray photoelectron and energy dispersive X-ray spectroscopies revealed highly uniform MoS<SUB>2</SUB> layers over the whole surface of the carbon substrates. Our approach is also applicable for the synthesis of MoS<SUB>2</SUB>/carbon fiber paper (CFP) hybrid structures. The electrochemical tests showed that the as-synthesized MoS<SUB>2</SUB>/CFP structures can serve as highly active cathodes for reverse electrodialysis.</P> <P><B>Highlights</B></P> <P> <UL> <LI> MoS<SUB>2</SUB>@VCNT and MoS<SUB>2</SUB>@CFP were prepared in this work. </LI> <LI> Uniform MoS<SUB>2</SUB> coating was achieved by CVD of gaseous species in the closed reactor. </LI> <LI> This approach is very powerful for MoS<SUB>2</SUB> coating over macroscopic porous substrates. </LI> <LI> MoS<SUB>2</SUB>/CFP can be a highly active cathode for reverse electrodialysis. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>