• Biomolecules & Therapeutics
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• 제4권2호
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• pp.174-183
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• 1996

The general pharmacological properties of Artemisia extract powder (DA-9601) produced from Artemisia asiatica leaves were investigated in mice, rats, guinea pigs and rabbits. DA-9601 at the dose of 800 mg/kg po had no influences on general behaviour, barbital sleeping time and motor coordination of mice. The material at the oral dose of 800 mg/kg did exhibit neither analgesic action nor hypothermic effect. Anticonvulsant action, muscle relaxant action and the effect on intestinal propulsion were not identified at 800 mg/kg po. In the isolated ileum and trachea of guinea pig, the material did not show direct erect and inhibitory action of chemically or electrically stimulated contraction at the concentration of $2\times10^{-5}$g/ml. The sinus rates of atria and contractility of papillary muscle of guinea pig were not influenced by DA-9601 at a dose of $2\times10^{-5}$g/ml. No influences on blood pressure and respiration were observed at 40 mg/kg iv, in rabbits. However, transient decreases in blood pressure of rabbits were observed as given 120 mg/kg in iv route with slight respiratory depression, and slight diuretic effect could be found without any changes in $Na^+$ and $K^+$ excretion.

• Journal of Dental Anesthesia and Pain Medicine
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• 제22권6호
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• pp.395-404
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• 2022

Hydroxyzine is one of the most popular oral sedatives used in pediatric dentistry. This study aimed to investigate the safety and possible side effects of sedation using hydroxyzine in pediatric dentistry. "Hydroxyzine," "Dental sedation," "Child," and "Safety" and their associated synonyms were searched using the Cochrane Library, Embase, PubMed, KISS, KMBASE, and KoreaMed databases. Academic information and portals of DBpia and RISS were also perused. Altogether, 340 papers were found, among which a total of 24 papers were selected according to the detailed criteria. Nine studies used hydroxyzine as monotherapy, and 10 studies compared its safety when hydroxyzine used as multitherapy. In addition, seven studies employed a drug regimen wherein hydroxyzine was one of the components. All these studies revealed that the adverse events specific to hydroxyzine usage were drowsiness and dryness of the mouth, and that there were respiratory complications due to a synergistic reaction of hydroxyzine. Although classified as a histamine blocker, hydroxyzine with its sedative, antiemetic, anticonvulsant, and anticholinergic properties is an oral sedative available without serious adverse events, If the proper dosage of the drug is used and its synergistic effects with other drugs are ascertained in the route of administration.

• Tuberculosis and Respiratory Diseases
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• 제41권5호
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• pp.568-573
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• 1994

저자들은 급성 기관지 천식환자에서 치료제로 사용하는 hydrocortisone을 투여 후 유발된 기관지 수축이 발생한 예를 경험 하였기에 문헌고찰과 함께 보고하는 바이다.

• Tuberculosis and Respiratory Diseases
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• 제63권6호
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• pp.491-496
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• 2007

연구배경: 기관지천식과 만성폐쇄성폐질환과 같은 만성 기도질환의 여러 가지 치료법 중 흡입제가 가장 효과적 방법이지만 상당수 환자에서 부정확하게 흡입제를 사용하고 있고, 순응도 또한 낮은 편이다. 저자들은 흡입제의 정확한 사용과 치료 순응도를 높이고자 전산화 흡입제 상담 서비스 프로그램을 개발하여 흡입제 사용에 대한 반복적 교육과 평가를 시행하여 흡입제의 사용 능력 및 치료 순응도에 미치는 효과를 알아보았다. 방 법: 만성기도질환 환자를 대상으로 저자들이 개발한 전산화 흡입제 상담 서비스 프로그램을 실시하였다. 2회 이상 방문한 환자를 대상으로 흡입제의 사용능력을 9개 항목에 따라 교육과 함께 평가를 하였으며, 교육 전후 질병의 이해와 약물의 순응도를 알아보았다. 결 과: 흡입제 사용 능력이 교육 전후, 1차와 2차, 2차와 3차 방문사이에 유의하게 향상되었다(p<0.05). 자신의 질환에 대한 이해도는 1차 방문에서 70.7%, 2차 방문에서 는 78.7%, 3차 방문에서는 78.9%로 증가하였다. 순응도는 2차 방문에서 70.1%, 3차 방문에서는 81.8%로 향상되었다. 결 론: 저자들이 개발한 전산화 흡입제 상담 서비스 프로그램은 만성기도질환 환자에서 흡입제 사용능력 및 순응도, 질병에 대한 이해도를 향상시킬 수 있었다.

• 분석과학
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• 제26권5호
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• pp.315-325
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• 2013

The possibility of acute hepatotoxicity caused by dimethylformamide (DMF) requires regular monitoring of the workers who are using DMF to prevent the occupational disease. The authors performed ambient and biological monitoring of workers involved in synthetic leather manufacturing processes using DMF to assess the correlation between the markers of ambient and biological monitoring of DMF. The authors monitored 142 workers occupationally exposed to DMF from 19 workshops in the synthetic leather and ink manufacturing industries located in northern region of Gyeonggi-do. The subjects answered questionnaire on work procedure and use of personal protective equipment to be classified by exposure type. DMF in air samples collected using personal air samplers, diffusive and active sampler, was analysed using gas chromatograph-flame ionization detector (GC-FID) with DB-FFAP column (length 30 m, i.d. 0.25 mm, film thickness 0.25 ${\mu}m$). Urinary N-methylformamide (NMF) was analysed using gas chromatograph-mass selective detector (GC-MSD) at selected ion monitoring (SIM) mode with DB-624 column (length 60 m, i.d. 0.25 mm, film thickness 1.40 ${\mu}m$). Geometric mean (GM) and geometric standard deviation (GSD) of the ambient DMF was $6.85{\pm}3.43$ ppm, and GM and GSD of urinary NMF was $42.3{\pm}2.7$ mg/L. The ratio of subjects with DMF level over 10 ppm was 44%, and those with urinary NMF over 15 mg/L was 87%. NMF in urine adjusted by DMF in air was $4.61{\pm}2.57$ mg/L/ppm and $9.50{\pm}2.41$ mg/L/ppm, respectively, with or without respirator. There was seasonal differences of NMF in urine adjusted by DMF in air, $7.63{\pm}2.74$ mg/L/ppm in summer and $4.53{\pm}2.29$ mg/L/ppm in winter. The urinary NMF concentration which corresponds to 10 ppm of ambient DMF was 52.7 mg/L (r=0.650, n=128). Considering the difference of the route of exposure which resulted from the compliance of wearing personal protective equipment, the estimated contribution of respiratory and dermal exposure route for DMF was 48.5% vs. 51.5%.

• Journal of Chest Surgery
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• 제34권11호
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• pp.843-847
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• 2001

배경: 식도질환의 수술 후 식도재건술은 아직도 식도수술에 관여하는 외과의사에게 해결해야 될 부분이 많이 있다. 1996년 1월부터 1999년 12월가지 흉부식도암환자 27명에서 흉부식도절제술 후 15예의 식도-위 문합술과 12예의 유리총장 이식술을 시행하였다. 저자들은 식도암 수술 후 문합부 누출, 문합부위의 협착, 역류성식도염, 수술시간, 호흡기 합병증 등을 양 군을 나누어 비교하였다. 대상 및 방법: 고식적 우회술 또는 식도인공삽입술, 인두식도와 식도 위 결합부위의 암은 본 연구에서 제외하였다. 우측 개흉술로 식도를 절제하였고, 자동봉합기를 사용하여 식도-위 문합을 시행하였다. 유리공장이식술의 경우 근위부의 식도는 6예에서 자동봉합기를 사용하였으며, 6예의 근위부와 12예의 원위부는 수기통합하였다. 모든 식도 재건술은 후종격동을 경유하였다. 결과: 3예의 수술사망을 포함하여 3예의 문합부 누출, 2예의 이식공장괴사 등 중한 합병증과 11예의 역류성 식도염, 5예의 문합부 협착이 발생되었다. 식도-위 문합술의 평균 수술시간은 300$\pm$160분, 유리공장이식술은 550$\pm$280분이었다. 결론: 역류성 식도염은 식도-위 문합군에서 더 많았고, 수술시간은 유리공장이식군에서 더 길었다(p<0.05). 적절한 환자의 선택과 장시간의 수술에 따르는 술 후 합병증을 줄일 수 있다면, 식도재건수술후의 역류식도염을 감소시키는 수술로 유리공장이식술이 우수하다고 판단된다.

• 대한임상독성학회지
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• 제5권1호
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• pp.36-42
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• 2007

Purpose: To assess the epidemiology and the clinical features of Glufosinate herbicide in Korea. Methods: Data was prospectively collected during 1 year since August 2005 from 38 hospital in Korea. We analyzed the epidemiologic characters and clinical manifestations of Glufosinate poisoning. In addition, the characteristics of patients with severe central nervous system toxicity were separately analyzed to find poor prognosis relating factors. Results: During study periods, there were 715 persons of poisoning of herbicides and insecticides. 6.3% (45 persons) of the agricultural chemicals poisoning had Glufosinate poisoning. There were 36 cases of suicide attempts and 7 cases of accidental exposure, The major of poisoning route was oral ingestion (44 cases). 28.9 % of the study patients had not toxic symptoms. The most common symptoms were gastrointestinal symptoms relating surfactant irritation. 67.7% of central nervous symptoms occurred lately. 10 persons showed severe central nervous system toxicity. 4 persons of them showed poor outcomes (1 death, 3 hopeless discharged). Complications of respiratory failure and renal failure related with poor outcome. Conclusion: Majority of patients ingested Glufosinate for suicide attempt. 22.2% of patients with Glufosinate poisoning showed delayed serious central nervous system toxicity. Early supportive care of altered mentality may prevent late respiratory complications and improve the outcomes.

• Tuberculosis and Respiratory Diseases
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• 제65권6호
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• pp.517-521
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• 2008

저자들은 항결핵 치료 6개월 후 척추 결핵의 동반없는, 결핵성 림프절염에 의해 이차적으로 발생한 양측성 다발성 결핵성 요근 농양 환자 1예를 경험하였다. 환자는 한차례의 수술적 절개 및 배액술 그리고 여섯 차례의 경피적배액술과 2년간의 약물치료를 통해 완치되었고 이후 재발은 없어 이에 문헌 고찰과 함께 보고하는 바이다.

• 한국미생물생명공학회:학술대회논문집
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• 한국미생물생명공학회 2003년도 2003 Annual Meeting, BioExhibition and International Symposium
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• pp.55-62
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• 2003

The mucosal immune system provides a first line of defense against invasion of infectious agents via inhalation, ingestion and sexual contact. For the induction of protective immunity at these invasion sites, one must consider the use of the CMIS, which interconnects inductive tissues, including PP and NALT, and effector tissues of the intestinal, respiratory and genitourinary tracts. In order for the CMIS to induce maximal protective mucosal immunity, co-administration of mucosal adjuvant or use of mucosal antigen delivery vehicle has been shown to be essential. When vaccine antigen is administered via oral or nasal route, antigen-specific Th 1 and Th2 cells, cytotoxic T lymphocytes(CTLs) and IgA B cell responses are effectively induced by the CMIS. In the early stages of induction of mucosal immune response, the uptake of orally or nasally administered antigens is achieved through a unique set of antigen-sampling cells, M cells located in follicle-associated epithelium(FAE) of inductive sites. After successful uptake, the antigens are immediately processed and presented by the underlying DCs for the generation of antigen-specific T cells and IgA committed B cells. These antigen-specific lymphocytes are then home to the distant mucosal effector tissues for the induction of antigen-specific humoral(e.g., IgA) and cell-mediated (e.g., CTL and Th1) immune responses in order to form the first line of defense. Elucidation of the molecular/cellular characteristics of the immunological sequence of mucosal immune response beginning from the antigen sampling and processing/presentation by M cells and mucosal DCs followed by the effector phase with antigen-specific lymphocytes will greatly facilitate the design of a new generation of effective mucosal antigen-specific lymphocytes will greatly facilitate the design of a new generation of a new generation of effective mucosal adjuvants and of a vaccine deliver vehicle that maximizes the use of the CMIS.

• The Korean Journal of Pain
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• 제11권1호
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• pp.47-53
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• 1998

Background: Epidural coadministration of opioids and local anesthetics has provided excellent analgesia during postoperative period. However, it is usually associated with the occurance of many side effects which were induced by epidural morphine. Low dose of intravenous naloxone has been known to reduce morphine-induced side effects without reversing analgesia, but the effect of epidural naloxone has not been defined in human study. Therefore we evaluated side effects and analgesia when naloxone was administered via epidural route. Methods: Eighty patients having epiduro-general anesthesia for hysterectomy were randomly assigned to one of four study groups. As a mean of postoperative pain control, all received 2 mg of epidural morphine bolusly at 1 hr before the end of surgery and continuous epidural infusion was started by Two-day Infusor containing morphine 4 mg in 0.125% bupivacaine 100 ml with either none of naloxone(Group 1, n=20), 2 ug/kg/day of naloxone(Group 2, n=20), 3 ug/kg/day of naloxone(Group 3, n=20) or 4 ug/kg/day of naloxone(Group 4, n=20). Study endpoints included visual analog scales(VAS) for pain, severity of nausea, itching, somnolence and respiratory depression. They were assessed at 2, 4, 8, 16, 32, and 48 hr postoperatively. Results: VAS for pain showed significant difference in Group 4 compared with Group 1 at all of the evaluation time. Itching score decreased significantly in Group 3 and 4 after 8 hr postoperatively and nausea score decreased significantly in Group 3 after 4 hr postoperatively. Alertness score decreased significantly in Group 3 and 4 especially in early postoperative period. Conclusion: This study suggests that epidural naloxone reduce morphine-induced side effects in dose-dependent fashion without reversal of the analgesic effect of epidural morphine.