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복강경하 담낭절제술시 복강내 투여한 국소마취제의 술후 진통효과
이용우,박한석,황호용,이수일,황기백 대한마취과학회 1998 Korean Journal of Anesthesiology Vol.34 No.2
Background : Although pain after cholecystectomy was reduced significantly since the advent of laparoscopic surgery, many patients still complain of moderate pain after the surgery. Recently intraperitoneal instillation of local anesthetics is known as safe, simple, and effective method of treatment for pain after laparoscopic cholecystectomy Methods : Three groups are randomized; group I (normal saline 80 ml), group II (0.5% lidocaine 80 ml 1:400,000 epinephrine) and group III (0.125% bupivacaine 80 ml 1:400,000 epinephrine). Local anesthetics are instilled via subdiaphragmatic trocar hole just after creation of carboperitoneum. Visual analogue scale(VAS), total used analgesics amount, time to first analgesics request, time to out of first flatus and complications are compared. Lidocaine blood concentrations are checked in five cases of the patients after lidocaine instillation. Results: The VAS was insignificant among groups except 3 hr, 6 hr postoperatively. Time to first analgesics request are prolonged in lidocaine and bupivacaine group. Used analgesics amount are significantly less in lidocaine group than control group. Time to out of first flatus was significantly shorter in bupivacaine group. No significant complications were noted. The blood concentration of lidocaine were variable and the highest concentration in five of one case was 1.8 g/ml. Conclusions : Although intraperitoneal instillation of local anesthetics is simple, safe method for controlling pain after laparoscopic cholecystectomy, it is not so much effective because of dilution with irrigating saline and suctioning intraoperatively and postoperative scavenging by evacuator. (Korean J Anesthesiol 1998; 34: 413∼417)
이수일,황규현,김용락,권무일,곽일용 대한마취과학회 1976 Korean Journal of Anesthesiology Vol.9 No.2
Since succinyl choline was introduced, into clinical anesthesia, it has been used as main muscle relaxant because of its rare side effects and short duration of action. Our interest in the effects of this drug on extraocular muscles and intraocular pressure began in 1957 following reports of vitreous expulsion in patients who received succinylcholine during ocular surgery. The effects of muscle relaxants on the intraocular pressure were studied in 60 healthy human sub jects. When succinylcholine was given alone, 20 human subjcts had a mean increase in intraocular pressure of 10. 5 mmHg. When gallamine 2. 5 mg/kg or pancuronium 80 μg/kg was used, 20 subjects showed a mean decrease of 3. 1 mm Hg from control. Giving gallamine (20 mg) or dtubo curarine(3 mg) 2-3 minutes prior to the administration of succinylcholine, 20 human subjects had no significant change in intraocular pressue. This simple method prevents the increase in intraocular pressure associated with the use of succinylcholine.
원위기저 후비복 도서형 근막피판을 이용한 하지 연부조직결손의 재건
황일면,김용배,강상규,양순재,박종섭 大韓成形外科學會 1995 Archives of Plastic Surgery Vol.22 No.4
The covering of extensive soft-tissue defects over the foot, heel, and ankle remains a common and difficult clinical entity. In general, soft tissue of the extremities is more plentiful in the proximal than the distal part. It is therefore, not difficult to obtain adequate tissue to reconstruct soft tissue defects of the upper or middle third of the leg. However, in the lower part of the leg, a proximally based fasciocutaneous flap cannot be easily used as adequate donor tissue for reconstruction because the soft tissue near the ankle is relatively tight and scanty. On the contrary, if the flap is based distally, we can extend the flap toward the proximal part of the leg, where more soft tissue can be harvested for reconstruction. The principle of fasciocutaneous flap was clearly described by Ponten in 1981¹. In 1983 Donski and Fogdestam described a distally based fasciocutaneous flap from the sural region based on perforating branches from the peroneal artery and in 1986², Amarante et al.reported a distally based fasciocutaneous flap based on the perforators from the posterior tibial vessels³. With further detailed knowledge of the circulation of skin of the leg, the distally based posterior calf fasciocutaneous island flap has been used recently and excellent results in reconstruction of soft tissue defects in the lower one third of the extremities have been obtained. In this paper, a distally based posterior calf fasciocutaneous island flap, nourished by the lower most perforator originating from the posterior tibial at about 4-6.5cm above the medial malleolus and peroneal artery at about 5cm above the lateral melleolus, has been used success fully for reconstruction of the lower leg, ankle, and foot. The advantages are as follows: the blood supply is reliable, elevation is easy and quick, and major arteries are not sacrificed.
편측 폐허실(Unilateral Lung Collapse)이 폐의 혈류역학 및 션트(Shunt)에 미치는 영향
황규현,곽일용 대한마취과학회 1985 Korean Journal of Anesthesiology Vol.18 No.3
One-lung ventilation(anesthesia) has been indicated for certain intrathoracic surgery. However, the recommended oxygen concentrations and ventilatory patterns have been variously reported. To clarify this, the author has investigated the effect of left lung collapse and right lung Ventilation with relatively large, constant tidal volume of 100% oxygen on pulmonary homodyamics and shunt ratio in 10 mongrel dogs with their left main bronchi ligated and cut following thoracotomy under Pentothal anesthesia. The results are as follows: 1) Heart rat, mean arterial pressures, central venous pressure, and pulmonary capillary wedge pressure did not change singficantly. 2) mean pulmonary artery pressure and pulmonary vascular resistance increased significantly during one-lung ventilation. 3) Cardiac output decreased slightly, and alveolar-arterial oxygen tension difference and pulmonary shunt ratio increased significantly. However, arterial oxygen and carbon dioxide tensions remained in the normal range. It is concluded that to maintain normal arterial oxygen and carbon dioxide tensions during one-lung ventilation, it is mandatory to ventilate with relatively large, constant tidal volume of 100% oxygen and all measures and precautions should be exercised to maintain normal cardiac output.
Aspergillus niger KCTC6134에 의한 phytase생산에 미치는 탄소원과 질산원의 영향
이승철,황용일,이대희 Institute of Genetic Engineering Changwon National 1997 Gene and Protein Vol.1 No.1
In order to maximize the production of phytase from Aspergillus niger KCTC6134, souse of factors influencing both phytase production and mycelial growth were investigated in shake-flask cultures. The optimal production condition of phytase by each concentration of the optimal carbon and nitrogen sources was examined. The optimal production condition of phytase was obtained with 10% soluble starch 3% glucose. and 0.8% KNO₃at 28℃. The time course of phytase production showed 5.0-fold increase, which correspond to the maximum of a mycelial growth and compare with the basal medium used.