• Tuberculosis and Respiratory Diseases
• /
• 제44권4호
• /
• pp.815-821
• /
• 1997

연구배경 : ${\beta}_2$-수용체에 매우 선택성을 가지고 있는 salmeterol은 작용시간이 길고 부작용이 적어 최근 기관지 천식의 치료에 많이 사용되며 특히 야간성 발작이 있는 환자에서 좋은 효과가 있다고 보고되고 있다. 이에 저자는 경증 또는 중증도의 가역성이 있는 천식 환자에서 salmeterol과 salbutamol을 흡입 투여 하였을 때의 효과와 안정성을 비교 평가하고자 본 연구를 시행하였다. 방 법 : 대상환자 35명을 무작위추출 개방시험 방법으로 salmeterol 투여군과 salbutamol 투여군으로 나누어 시행하였다. 모든 대상환자들은 2주간의 치료 준비동안, 필요한 경우 salbutamol 100g씩 2회를 흡입하는 경우를 제외하고는 어떤 기관지 천식 약제를 금지시켰으며 그 후 6주간의 치료기간을 설정하여 salmeterol 군에서는 salmeterol 50g을 1일 2회, 기상직후와 취침직전에 흡입하도록 하였고, salbutamol군에서는 salbutamol 200g을 1일 4회, 기상직후 부터 4시간 간격으로 흡입하도록 하였다. 그후 2주동안은 규칙적인 흡입제를 중단하고 증상에 따라 salbutamol을 임식적으로 사용하였다. 결 과 : 주간 및 야간 천식 증상 평가에 있어서 salmeterol 치료군이 salbutamol 치료군에 비해 유의 있는 호전이 있었다(p<0.05). 추가 salbutamol 사용횟수나 사용날짜는 주간이나 야간에서 salmeterol 치료군에서 사용횟수 및 사용 날짜를 줄일 수 있었다(p<0.05). 폐기능검사에 있어서 $FEV_1$의 증가율은 2-4주간의 흡입 후에 salmeterol군에서 유의하게 높게 나타났다. Salmererol에 대한 부작용은 일부환자에서 경미한 손떨림이나 두근거림이 있었지만 salbutamol 군과는 차이가 없었으며 치료를 중단한 환자는 없었다. 결 론 : 이상의 실험 결과로 흡입용 salmeterol은 부작용이 비교적 적고 안전하며 효과적임을 알 수 있고, 특히 야간성 발작성 천식에 매우 효과적인 기관지 확장제로 생각된다.

• Archives of Pharmacal Research
• /
• 제17권4호
• /
• pp.244-248
• /
• 1994

A stereoselective and sensitive high performance liquid chromatography using fluoresecence deterctor was examined for the determination of R(-) and S(+)-salbutamol in human plasma. Solid phase extraction method using silica as sorbent was used to extract salbutamol racemates from the plasma matrices. After fractionation and freeze-drying of the eluates containing salbutamol racemates, they were separated and quantified on a chirla stationary column. The detection limit of each enantiomer was 2 ng/ml in human plasma (S/N=3).

• 분석과학
• /
• 제33권4호
• /
• pp.169-176
• /
• 2020

Separation of basic compounds using reverse phase chromatography on a silica-based stationary phase represents a major challenge, because of the interaction between the cationic sites of the basic compounds with the anionic silanols of the stationary phase. This study presents a simple, reliable, and organic solvent - free liquid chromatographic method for the determination of terbutaline and salbutamol, in which a room temperature ionic liquid (RTIL) is used as mobile phase additive. We investigated various mobile phase parameters affecting the retention of the two compounds, such as types and concentration of RTILs and, pH of the mobile phase were investigated. The developed method was validated according to International Conference on Harmonization (ICH) guidelines and successfully applied effectively to determine salbutamol sulfate in pharmaceutical preparations.

• Archives of Pharmacal Research
• /
• 제20권5호
• /
• pp.486-490
• /
• 1997

A stereospecific HPLC method has been developed for the resolution of the enantiomers of salbutamol in human urine. After solid-phase extraction and derivatization with (S)-(-)-${\alpha}$-methyl-benzyl isocyanate, the diastereomeric derivatives were resolved $(R_s=1.59)$ on $5{\mu}M$ octadecylsilan column using 47% methanol as a mobile phase with fluorescence detection. The detection limit of each enantiomer was 10 ng/ml (S/N=3).

• Archives of Pharmacal Research
• /
• 제21권2호
• /
• pp.217-222
• /
• 1998

A stereospecific HPLC method has been developed for the resolution of the enantiomers of salbutamol in human urine. After solid-phase extraction and derivatization with 2,3,4,6-tetra-O-acetyl-$\beta$-D-glucopyranosyl isothiocyanate, the diastereomeric derivatives were resolved (Rs=1.83) on $5{\mu}m$ octadecylsilan column using 35% acetonitrile in 0.05M ammonium acetate buffer (pH=6) as a mobile phase with electrochemical detection. The diastereomeric derivatives were formed within 30 min. The detection limit of each enantiomer was 20 ng/ml (S/N=3).

• 분석과학
• /
• 제35권5호
• /
• pp.189-196
• /
• 2022

When cationic basic compounds are chromatographed using hydro-organic mobile phase, the presence of anionic free silanols in the silica-based stationary phases results in broad and asymmetrical peaks. The addition of an ionic reagent to the mobile phase prevents analytes from accessing free silanols, improving peak shape. In this study, the chromatographic behavior of salbutamol sulfate as a basic compound was investigated under various conditions, including the use of different columns, mobile phases, and ion-pair reagents such as triethanolamine (TEA) and sodium heptane sulfonate (SHS). The retention and peak shape of chromatograms were both evaluated. The results show that pre-conditioning the column with TEA and including it in the mobile phase can prevent cationic analytes from accessing anionic silanols, resulting in improved peak shape. Furthermore, buffering the mobile phase is an important factor in keeping the pH constant throughout the process. The chosen method was validated in part. This study could be helpful for researchers and analyst to solve such problems with cationic basic components.

• Archives of Pharmacal Research
• /
• 제12권4호
• /
• pp.282-288
• /
• 1989

This study was investigated the effects of imipramine (IMI) and electroconvulsive shock (ECS), which are used as antidepressant therapy, on the central $\beta_1$or $\beta_2$ adrenergic receptor in anesthetized rats. The resting blood pressure and heart rate decreased in reserpinized group (5 mg/kg i. p., 24 hr before), but not in order 4 groups i. e. acute IMI (20 mg/kg i. p.. 3-5 hr before), chronic IMI (Same dose, twice a day for 14 days), siggle ECS (sinusoidal 20 Hz, 120 V for 2 sec) and repeated ECS (same condition, daily for 12 days). The increase of heart rate and hypotension evoked by 1 or 3 $\mu$g intracerebroventricular (i. c. v.) administration of (+) dobutamine, $\beta_2$-agonist, 1 or 3 $\mu$g i. c. v. was significantly attenuated in repeated ECS or reserpine treatment. And, the diminuation of pulse pressure of salbutamol also reduced by repeated ECS. These results suggest that IMI or ECS result in attenuation on tachycardia by (+) dobutamine or on hypotension by salbutamol, presumably by which the central $\beta_1$ or $\beta_2$receptor sensitivity may be suppressed, repectively.

• Journal of Medicine and Life Science
• /
• 제16권2호
• /
• pp.43-45
• /
• 2019

Intraoperative delivery of salbutamol (${\beta}_2$ agonist) through a breathing circuit may be performed in asthma patient. A 28-year-old woman with a history of asthma was diagnosed with chronic sinusitis and bilateral nasal polyps, and an endoscopic sinus surgery was performed. The patient was recommended salbutamol nebulization every 4 hours during the perioperative period because of the risk of asthma attack. At the end of the operation, when salbutamol was sprayed through the tube before extubation and the connector tip went inside the tube during injection. The patient was immediately referred to the pulmonary medicine department for bronchoscopy, where the foreign body was removed safely without any complications. When general anesthesia is performed on a patient who usually uses an inhaler for asthma, caution is required because the tip that connects the inhaler and the breathing circuit can aspirate into the endotracheal tube and enter the lungs when applying the inhaler before waking up the patient.

• Tuberculosis and Respiratory Diseases
• /
• 제56권2호
• /
• pp.144-150
• /
• 2004

연구배경 및 목적 : 기류가역성의 유무와 정도의 평가는 기도질환 환자의 진단 및 치료에 있어서 매우 중요하지만, 기관지확장제 사용 후 기류 가역성을 관찰하기 위한 적절한 폐기능 검사 시간과 폐활량 측정치의 변화에 대한 연구는 매우 적다. 따라서 본 연구는 기관지확장제 사용 후 시간에 따른 폐활량 측정치의 변화를 분석하고자 하였다. 방 법 : 천식 환자 15명을 대상으로 salbutamol $200{\mu}g$을 일 회 흡입 후 15, 30, 45, 60분에 mini-Wright 유량측정기 및 폐활량검사를 이용하여 기관지확장제 반응을 측정하였다. 결 과 : $FEV_1$ 과 FVC의 평균값은 기관지확장제 사용 후 60분에 가장 높게 관찰 되었다. 폐활량 측정치 및 mini-Wright유량측정계의 두 측정치에서 PEF의 평균값은 기관지확장제 사용 후 45분에 가장 높게 관찰되었다. 결 론 : 이상의 결과로서 기류폐색이 의심되는 환자에서 기류가역성을 평가할 때 salbutamol 사용 후 15분 보다는 45분 내지 60분에 PEF 또는 $FEV_1$을 측정하는 것이 기관지확장제 반응을 적절히 평가할 것으로 사료된다.

• 말소리와 음성과학
• /
• 제2권2호
• /
• pp.101-108
• /
• 2010

An inhaled salbutamol and salmeterol for chronic obstructive pulmonary disease(COPD) and asthma have been used worldwidely. But there has been few study about the voice change evoked from the post-medicine effect. To evaluate the voice influenced of short-acting and long-acting ${\beta}_2$-agonists, two experiments were carried out: one was salbutamol experiment 1 with eight patients, the other was salmeterol experiment 2 with six patients. Experiment 1 was made of two stages: premedication & postmedication. Experiment 2 was four stages: stageI was premedication, stageII was postmedication & pregaggling, stageIII was postmedication & postgaggling(100 ml with water), and stageIV was postmedication & 30 minutes later. Measured parameters were F0, F0_SD, Jitter_rap, Shimmer_apq11, HNR, BW(1, 2, 3), Intensity, and H1-H2. The mean data collected from 3 repetitions each was statistically analyzed by Wilcoxon signed rank test for experiment 1 and repeated measures ANOVA for experiment 2. In experiment 1, significant differences were found in the Jitter_rap(Z= -2.10, p=0.036). The findings indicated that the postmedicated voice was worse than premedicated voice. In experiment 2, there wasn't significant difference, but values of parameters related to voice quality(Jitter_rap, Shimmer_apq11, HNR, and H1-H2) showed changes toward stageⅣ, that is, the voice quality was worse under medication.