• Title/Summary/Keyword: Use-After-Free

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Nutritional Support for Acute Diarrhea in Children: Focused on Age-appropriate Diet Therapy after Rehydration (영유아 급성 설사의 영양 공급: 탈수 치료 후 연령별 식이요법을 중심으로)

  • Chu, Mi Ae;Choe, Byung-Ho
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.12 no.sup1
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    • pp.53-61
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    • 2009
  • The mainstay in the management of mild to moderately dehydrated children is fast rehydration by using hypotonic ORS (oral rehydration solution) and complete resumption of normal diet, including lactose-containing formula after 4 hours rehydration. Since the majority of young children with uncomplicated acute diarrhea will tolerate large amounts of undiluted non-human milk, withholding food and milk from children during diarrhea is not recommended anymore, regarding time to resolution and diarrhea control. In addition, routine dilution of milk and routine use of lactose-free formula are not necessary after fast ORS therapy. Breastfed infants and children fed with solid foods may safely continue receiving their usual diets during diarrhea instead of gradual reintroduction of feeding. However, young infants or children with severe diarrhea or malnutrition should be carefully treated under supervision if fed with lactose containing, non-human milk exclusively.

Fibula-Hemisoleus Osteomusculocutaneous Free Flap for Foot Reconstruction (비골-가자미근 유리피판술을 이용한 족부의 골 및 연부 조직 결손 재건)

  • Mun, Hye-Young;Roh, Tai-Suk;Lee, Hye-Kyung;Tark, Kwan-Chul
    • Archives of Reconstructive Microsurgery
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    • v.10 no.1
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    • pp.34-37
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    • 2001
  • The injury on the dorsum of foot is usually manifested in the defect of bone and soft tissue, so its reconstruction requires composite tissue. Free flap satisfies this defect but its indication is determined by the defect size, recipient status and so on. Iliac crest bone and fibular bone are useful bone flap but in more than 8cm defect, fibular flap is more useful. The drawback of fibular free flap is the absence of soft-tissue coverage, so another local flap and myocutaneous flap must be added. Fibula-hemisoleus ostemusculocutaneous free flap has been used for the reconstruction of upper and lower extremity. Its advantages are one stage operation, one donor site and the flexibility of the reconstruction with the use of muscle, bone, and skin. This flap has never been reported for the reconstruction of dorsum of foot. In our case, 20-year-old woman was referred with the 17 cm defect of 1st metatarsal bone and $16{\times}8cm$ sized soft tissue loss on the dorsum of the right foot. We reconstructed successfully the dorsum of foot with fibula-hemisoleus osteomusculocutaneous free flap and the patient can walk without crutches after 6 monthes.

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Nondestructive Evaluation of Free Acid Content in Apples using Near-infrared Spectroscopy (근적외 분광분석법을 응용한 사과의 유리산 함량 측정)

  • Sohn, Mi-Ryeong;Cho, Rae-Kwang
    • Applied Biological Chemistry
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    • v.41 no.3
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    • pp.234-239
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    • 1998
  • In non-destructive evaluation of free acid content in apples by near- infrared spectroscopy(NIRS), browning and heat treatment of squeezed apple juice affected to the accuracy but titrable alkali concentration did not. The free acid content in apples after harvest was able to determine using different apples in harvest time for calibration making. The result of MLR, multiple correlation coefficient(R) was 0.77 and standard error of prediction(SEP) was 0.03%. The free acid content in apples during storage was able to determine using calibration equation established with stored apples, R was 0.90 and SEP was ca. 0.04%. The prediction accuracy by LAIR was not sufficient for use of quantitative analysis of free acid content in apple, but classification of law and high level in acid content was supposed to be applicable.

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Prognostic Factors affecting Recurrence in 30 Patients with Intracranial Ependymomas (두개강내 상의세포종 환자 30례에 있어서 재발에 영향을 주는 예후 인자)

  • Rhee, Hae Il;Ahn, Jae Sung;Jeon, Sang Ryong;Kim, Jeong Hoon;Rha, Young Shin;Kim, Chang Jin;Kwun, Byung Duk
    • Journal of Korean Neurosurgical Society
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    • v.30 no.sup2
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    • pp.228-234
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    • 2001
  • Objective : The goal of this study was to identify variables that were predictive of recurrence in primary intracranial ependymomas. Methods : We analyzed variables affecting recurrence in 30 patients with primary intracranial ependymomas. Age, location, CSF cytology, seeding on neuroimaging study, tumor grade, extent of surgery, use of chemotherapy, chemotherapy regimen, use of radiotherapy, and radiotherapy field were entered to test their impacts on recurrence. Results : Follow-up ranged from 2 to 110 months. Tumors were recurred at the primary tumor site only in 13 patients (43.3%). The overall average recurrence free period was 55 months, with overall recurrence free rates at 3 and 6 years of 61.0% and 20.9%, respectively. Extent of surgery was the strongest variable affecting recurrence. The median recurrence free period and 3-year recurrence free rate were 72 months and 78.4% for patients having complete excision and 33 months and 0% for those having incomplete excision(p=0.05). Other prognostic variables like age, location, tumor grade, use of chemotherapy, and use of radiotherapy did not affect recurrence(p=0.2848, 0.7899, 0.1714, 0.2157, 0.7076, respectively). Conclusions : Intracranial ependymomas have a propensity to recur after treatment, and recurrence at the primary site is still the main obstacle to cure. Among various variables, only extent of resection had the strongest impact on recurrence. Additional studies may still be needed to precisely define the prognostic variables on recurrence in intracranial ependymomas.

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Direct Open Venous Drainage: An Alternative Choice for Flap Congestion Salvage

  • Park, Su Han;Choi, Woo Young;Son, Kyung Min;Cheon, Ji Seon;Yang, Jeong Yeol
    • Archives of Craniofacial Surgery
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    • v.16 no.3
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    • pp.143-146
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    • 2015
  • In this report, we present a scalp defect reconstruction with lateral arm free flap. We highlight the difficulty in obtaining a recipient vein and the venous drainage managed through an open end of the donor vein. A 52-year-old woman presented with a pressure sore on the left scalp. A lateral arm free flap was transferred to cover this $8{\times}6cm$ defect. The arterial anastomosis was successful, but no recipient vein could be identified within the wound bed. Instead, we used a donor venous end for the direct open venous drainage. In order to keep this exposed venous end patent, we applied heparin-soaked gauze dressing to the wound. Also, the vein end was mechanically dilated and irrigated with heparin solution at two hour intervals. Along with fluid management and blood transfusion, this management was continued for the five days after the operation. The flap survived well without any complication. Through this case, we were able to demonstrate that venous congestion can be avoided by drainage of the venous blood through an open vessel without the use of leeches.

Antioxidant Activity and Irritation Test of Extracts Obtained from Angelica dahurica

  • Lee, Yang-Suk;Kim, Nam-Woo
    • Preventive Nutrition and Food Science
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    • v.16 no.1
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    • pp.8-11
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    • 2011
  • In this study, we assessed the free radical scavenging and xanthine oxidase inhibitory activities of extracts isolated from the dried roots and stems (including leaves) of Angelica dahurica. The irritation response from these extracts was also assessed to determine potential cosmetic use. Both sources of A. dahurica extracts exhibited radical scavenging properties to different extents. The free radical scavenging potency ($EC_{50}$) of the stems (including leaves) of A. dahurica was 243.33 ${\mu}g/mL$, which is significantly lower (p<0.01) than that observed of the roots (1,161.79 ${\mu}g/mL$). The inhibition values ($EC_{50}$) of xanthine oxidase were as follows: 435.19 ${\mu}g/mL$ (roots) and 434.66 ${\mu}g/mL$ (stems). We noted no significant differences between the two plant parts with regard to ability to inhibit xanthine oxidase activity. After the application of A. dahurica extracts to rabbits for skin and eye irritation tests, no negative effects were observed; therefore, the extracts are considered to be non-irritating to the skin and eye.

The Effects of Light Intensity, Inoculum Size, and Cell Immobilisation on the Treatment of Sago Effluent with Rhodopseudomonas palustris Strain B1

  • Ibrahim, Shaliza;Vikineswary, S.;Al-Azad, Sujjat;Chong, L.L.
    • Biotechnology and Bioprocess Engineering:BBE
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    • v.11 no.5
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    • pp.377-381
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    • 2006
  • A study was carried out to determine a suitable light intensity and inoculum size for the growth of Rhodopseudomonas palustris strain B1. The pollution reduction of sago effluent using free and immobilised R. palustris cells was also evaluated. The growth rate in glutamatemalate medium was highest at 4 klux compared to 2.5 and 3 klux. The optimal inoculum size was 10% (v/v). Both the COD and BOD of the sago effluent were reduced by 67% after three days of treatment. The difference in biomass production or BOD and COD removal with higher inoculum sizes of 15 and 20% was minimal. This could be attributed to limited nutrient availability in the substrate. The use of immobilised cells of R. palustris reduced the pollution load 10% less compared to pollution reduction by free cells. Hence, there was no significant difference in using free or immobilised cells for the treatment of sago effluent.

A Case of Urethral Reconstruction Using a Superficial Circumflex Iliac Artery

  • Yoo, Kun-Woon;Shin, Hyun-Woo;Lee, Hye-Kyung
    • Archives of Plastic Surgery
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    • v.39 no.3
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    • pp.253-256
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    • 2012
  • A radial forearm free flap has been conventionally used for urethral reconstruction. However, aesthetic and functional complications occur frequently at the donor site. The use of a superficial circumflex iliac artery perforator (SCIP) flap can resolve these disadvantages. Here, we report our case with a review of literature. A 69-year-old man visited our hospital with multiple contusions of the abdomen and genital amputation. After necrotic tissue debridement, the length of the residual corpus carvernosum was 1.5 cm and that of the corpus spongiosum and urethra was 1 cm. For the reconstruction of the penis, a SCIP flap and anterolateral thigh free flap was performed. The primary closure was performed at the donor site. Three weeks postoperatively, the patient had a urethral foley catheter removed. The neourethra was functioning well without stricture. Four months postoperatively, the patient had no complications such as urethral stricture. A good recovery was also achieved with no aesthetic deficits at the donor site. SCIP flap is appropriate for urethral reconstruction. Because of its proximity to the recipient sites, it makes surgical preparation easier and the primary closure at the donor site available. It is also advantageous in that its location is almost unnoticeable.

DNA Damage of Lymphocytes in Volunteers after 4 hours Use of Mobile Phone (일부 자원자들의 이동전화 4시간 연속 사용 후 림프구 DNA 손상 평가)

  • Ji, Seon-Mi;Oh, Eun-Ha;Sul, Dong-Geun;Choi, Jae-Wook;Park, Hee-Chan;Lee, Eun-Il
    • Journal of Preventive Medicine and Public Health
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    • v.37 no.4
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    • pp.373-380
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    • 2004
  • Objectives : There has been gradually increasing concern about the adverse health effects of electromagnetic radiation originating from cell phones which are widely used in modern life. Cell phone radiation may affect human health by increasing free radicals of human blood cells. This study has been designed to identify DNA damage of blood cells by electromagnetic radiation caused by cell phone use. Methods : This study investigated the health effect of acute exposure to commercially available cell phones on certain parameters such as an indicator of DNA damage for 14 healthy adult volunteers. Each volunteer during the experiment talked over the cell phone with the keypad facing the right side of the face for 4 hours. The single cell gel electrophoresis assay (Comet assay), which is very sensitive in detecting the presence of DNA strand-breaks and alkali-labile damage in individual cells, was used to assess peripheral blood cells (T-cells, B-cells, granulocytes) from volunteers before and after exposure to cell phone radiation. The parameters of Comet assay measured were Olive Tail Moment and Tail DNA %. Results : The Olive Tail Moment of B-cells and granulocytes and Tail DNA % of B-cells and granulocytes were increased by a statistically significant extent after 4-hour use of a cell phone compared with controls. Conclusion : It is concluded that cell phone radiation caused the DNA damage during the 4 hours of experimental condition. Nonetheless, this study suggested that cell phone use may increase DNA damage by electromagnetic radiation and other contributing factors.

Effects of Rituximab Including Long-term Maintenance Therapy in Children with Nephrotic Syndrome in a Single Center of Korea

  • Kim, Seong Heon;Lim, Taek Jin;Song, Ji Yeon;Kim, Su Young
    • Childhood Kidney Diseases
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    • v.22 no.1
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    • pp.1-6
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    • 2018
  • Rituximab (RTX) is a chimeric monoclonal antibody that inhibits CD20-mediated B-cell proliferation and differentiation. Several studies have examined its use in intractable nephrotic syndrome (NS) with some positive results. However, those studies examined such effects for a short-term period of 1 year, and some patients continued to relapse after a lapse in RTX treatment. Our use of RTX as a maintenance therapy (RTX injection when the CD19 cell count exceeded $100-200/{\mu}L$ before relapse) showed some noticeable efficacy. We used RTX in 19 patients with steroid-dependent NS (SDNS). In 12 patients treated with RTX maintenance therapy, only one relapse occurred. The mean treatment period was $23.4{\pm}12.7months$, and the mean number of RTX administrations was $3.9{\pm}1.6$. The relapse rates were decreased (from 2.68/year to 0.04/year), and the drug-free period also increased (from 22.5 days/year to 357.1 days/year) during maintenance therapy. The other seven patients were treated with one cycle of RTX or additional cycles in case of relapse (non-maintenance therapy). Relapse rates were significantly decreased after RTX treatment (from 1.76/year to 0.96/year, P=0.017). The relapse-free period was $15.55{\pm}7.38$ (range, 5.3-30.7) months. No severe side effects of RTX were found except for a hypersensitivity reaction such as fever and chills during its infusion. In conclusion, RTX is considered an effective and safe option to reduce the relapse rate by a single- or maintenance-interval therapy in SDNS.