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갈치(Trichiurus lepturus)의 선도 판정을 위한 관능평가 및 화학적 분석에 따른 품질 평가
유정완,김현재,설다은,고지윤,김성희,양지영,이양봉 한국수산과학회 2019 한국수산과학회지 Vol.52 No.6
The purpose of this study was to measure pH, trimethylamine (TMA), and total volatile basic nitrogen (TVB-N) as indicators of freshness during largehead hairtail Trichiurus lepturus storage, and to compare these indicators with those obtained by the sensory evaluation of quality index method (QIM) sensory evaluation. Largehead hairtail samples were stored at 4°C and evaluated every 3 days until decay. The QIM sensory evaluation indicated scores of 0, 8.9, and 20 on storage days 0, 6, and 20, respectively. By day 15, the samples were completely decayed. The pH slowly increased during the storage period, reaching a maximum of 7.4. In the day 6, TMA and TVB-N contents were 2.97 and 15.57 mg/100 g, respectively. Thus, at 4°C, the largehead hairtail starts to decay after 6 days and, after 9 days, cannot be consumed safely.
Spinal epidural hematoma in a gastric cancer patient after epidural catheterization −A case report−
유정완,한종인,이희승,김동연 대한마취통증의학회 2011 Anesthesia and pain medicine Vol.6 No.2
Spinal epidural hematoma is a rare event that is usually thought to require immediate surgical therapy. A variety of predisposing factors have been demonstrated for this malady and hemostatic abnormalities are rather frequent in cancer patients. In this report,we present a case of an old man who was diagnosed with early gastric cancer. He had normal coagulation function. After performing hemodynamically stable surgery, an epidural catheter was inserted. The patient underwent reoperation due to postoperative wound bleeding on postoperative day 1. In the evening of the 2nd postoperative day, emergency magnetic resonance imaging (MRI)revealed an epidural hematoma extending from T5 to T8. The patient’s coagulation function became even worse. We thought that acute DIC had developed on the patient. Approximately 2 months later, he finally showed spontaneous clinical improvement. (Anesth Pain Med 2011; 6: 121∼124)
Comparison of Clinico-Physiologic and CT Imaging Risk Factors for COPD Exacerbation
유정완,홍윤기,서준범,채은진,나승원,이지현,김은경,백승희,김태형,김우진,이진화,이상민,이상엽,임성용,신태림,윤호일,신승수,이재승,허진원,오연목,이상도 대한의학회 2011 Journal of Korean medical science Vol.26 No.12
To date, clinico-physiologic indices have not been compared with quantitative CT imaging indices in determining the risk of chronic obstructive pulmonary disease (COPD) exacerbation. We therefore compared clinico-physiologic and CT imaging indices as risk factors for COPD exacerbation in patients with COPD. We retrospectively analyzed 260 COPD patients from pulmonary clinics at 11 hospitals in Korea from June 2005 to November 2009 and followed-up for at least one year. At the time of enrollment, none of these patients had COPD exacerbations for at least 2 months. All underwent clinico-physiologic and radiological evaluation for risk factors of COPD exacerbation. After 1 yr, 106 of the 260 patients had at least one exacerbation of COPD. Multiple logistic regression analysis showed that old age,high Charlson Index, and low FEV1 were significant in a clinico-physiologic model,with C-statistics of 0.69, and that increased age and emphysema index were significant in a radiologic model, with C-statistics of 0.64. The difference between the two models was statistically significant (P = 0.04 by bootstrap analysis). Combinations of clinico-physiologic risk factors may be better than those of imaging risk factors in predicting COPD exacerbation.