• The Korean Journal of Pain
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• 제28권2호
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• pp.144-147
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• 2015

Recently, percutaneous epidural neuroplasty has become widely used to treat radicular pain caused by spinal stenosis or a herniated intervertebral disc. A 19-year-old female patient suffering from left radicular pain caused by an L4-L5 intervertebral disc herniation underwent percutaneous epidural neuroplasty of the left L5 nerve root using a Racz catheter. After the procedure, the patient complained of acute motor weakness in the right lower leg, on the opposite site to where the neuroplasty was conducted. Emergency surgery was performed, and swelling of the right L5 nerve root was discovered. The patient recovered her motor and sensory functions immediately after the surgery. Theoretically, the injection of a large volume of fluid in a patient with severe spinal stenosis during epidural neuroplasty can increase the pressure on the opposite side of the epidural space, which may cause injury of the opposite nerve by barotrauma from a closed compartment. Practitioners should be aware of this potential complication.

• 한방재활의학과학회지
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• 제28권3호
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• pp.119-124
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• 2018

Three cases of simple exanthematous eruption were suspected during Sumsu (Bufonis Venenum) pharmacopuncture (SP) topical anesthesia for acupotomy. Patients had skin rash with pruritus on both ankle, posterior neck, and left shoulder after 11, 12, and 7 times of SP treatment, respectively. There were no cases of systemic manifestations or changes in vital signs. As a result of using the World Health Organization-Uppsala Monitoring Centre (WHO-UMC) causality assessment, all the cases were evaluated as 'unlikely'. However, the results of using the Korean algorithm for assessing the causality of drug adverse reactions version 2.0 were evaluated as 'possible'. This report is the first case report on adverse events suspected of occurring after SP treatment. Although the causal relationship between suspected intervention and the adverse event is not clear, there was a difficulty in completely excluding the possibility. Additional safety studies will be required to make SP more widely available.

• 한국콘텐츠학회논문지
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• 제6권5호
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• pp.145-152
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• 2006

전산화단층촬영에서 자동주입기에 의한 방사선 조영제의 혈관외유출(140mL)이 우측 손등의 IV 카테터 부위에서 발생하였다. 혈관외유출은 부종 및 괴사를 동반하였고, 구획증후군으로 발전하였다. 혈관외유출 부위를 MDCT로 스캔하여, 3D 재구성 영상인 MPR, MIP, volume rendering으로 재구성하였다. 이러한 3D 재구성 영상은 조영제의 혈관외유출 부위를 침범 정도를 정확하게 확인하여 환자 예방의 필요성 및 사후 조치에 적절한 치료 및 수술 계획에 유용하게 이용될 수 있다.

• Clinics in Shoulder and Elbow
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• 제1권1호
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• pp.6-11
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• 1998

Shoulder is a common site for calcific deposit and is frequently asymptomatic. There is a general agreement that calcific tendinitis should be initially treated nonoperatively and excision reserved for cases unresponsive to the conservative measures. There are several reports that arthroscopic excision of symptomatic calcific deposit is proved to be efficient in the calcific tendinitis refractory to nonoperative management. The results of arthroscopic treatment of chronic resistant calcific tendinitis of the shoulder in eleven patients were evaluated. Each patient had shoulder pain for more than one year prior to the arthroscopic surgery. The average age of the patients was 48 years(range 35-70). Arthroscopic calcium removal and subacromial bursectomy was performed in all patients. Arthroscopic acromioplasty was additionally done in four patients. The results turned out to be good in nine patients with full range of motion and complete pain relief. One patient with full motion and occcasional episodes of pain was satisfactory. One patient with persistent pain was unsatisfactory which converted to satisfactory six months later after subacromial injection. So we conclude that the arthroscopic treatment is a reasonable alternative in treatment of the chronic calcific tendinitis resistant to conservative treatment.

• 한국신재생에너지학회:학술대회논문집
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• 한국신재생에너지학회 2005년도 춘계학술대회
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• pp.701-704
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• 2005

Aquifer Thermal Energy Storage (ATES) can be a cost-effective and renewable geothermal energy source, depending on site-specific and thermohydraulic conditions. To design an effective ATES system having influenced by groundwater movement, understanding of thermo hydraulic processes is necessary. The heat transfer phenomena for an aquifer heat storage are simulated using FEFLOW with the scenario of heat pump operation with pumping and waste water reinjection in a two layered confined aquifer model. Temperature distribution of the aquifer model is generated, and hydraulic heads and temperature variations are monitored at the both wells during 365 days. The average groundwater velocities are determined with two hydraulic gradient sets according to boundary conditions, and the effect of groundwater flow are shown at the generated thermal distributions of three different depth slices. The generated temperature contour lines at the hydraulic gradient of 0.00 1 are shaped circular, and the center is moved less than 5m to the groundwater flow direction in 365 days simulation period. However at the hydraulic gradient of 0.01, the contour center of the temperature are moved to the end of boundary at each slice and the largest movement is at bottom slice. By the analysis of thermal interference data between two wells the efficiency of the heat pump system model is validated, and the variation of heads is monitored at injection, pumping and no operation mode.

• 한국식품영양과학회지
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• 제22권4호
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• pp.374-380
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• 1993

녹차추출액을 사용하여 Sprague Dawley 휜쥐를 63일간 사육한 뒤 십이지장궤양 유발제 cysteamineㆍHCI(400mg/1kg b.w.)을 투여하면 수도물에 의해 같은 기간 사육한 대조군 (TW군) 보다 cysteamine에 대한 감수성은 유의하게 저하되어 십이지장궤양 발병율이 TW군의 50%를 나타냈다. 또한 TW군은 cysteamine투여에 의해 십이지장점막 극재 효소인 alkaline phosphatase (ALP) 활성을 상부십이지장 점막에 있어서 현저하게 저하시켰으나 GT군은 유의하게 활성이 유지되고 ALP 분자종에 있어서도 TW군과 상이한 양상을 나타내 녹차 추출액이 cysteamine 궤양에 있어서 항 궤양적 생리활성을 발휘하고 있는 사실이 밝혀졌다.

• The Korean Journal of Pain
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• 제10권1호
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• pp.124-126
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• 1997

Stellate ganglion block is the most widely practiced procedure in the pain clinics due to its wide range of indications. We experienced a rare case who exhibited severe hematoma in neck following stellate ganglion block. A 58-year-old female patient injured by a traffic accident was admitted to the department of negro surgery for the treatment of cerebral contusion, cervical and lumbar sprain and left arm paresis. Because left sensory neural hearing loss occurred, the patient was referred to the pain clinic for treatment with stellate ganglion block due to her left sensory neural hearing loss. The next day stellate ganglion block was done with a negative aspiration for blood. Three hours later, hematoma in neck was found and the patient complained of pain in the neck and dyspnea. The symptoms and signs of respiratory difficulty were progressively aggravated. The hematoma was removed and ruptured muscular branch of vertebral artery was ligated under surgical exploration. In this case, the needle was apparently in the branch of vertebral artery during or after injection in spite of the negative aspiration for blood. Authors recommend that compression of the injected site over 5 minutes should be necessary to prevent a hematoma formation despite of a negative aspiration for blood.

• 대한핵의학회지
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• 제14권2호
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• pp.61-66
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• 1980

We studied four patients with muscle necrosis associated with acute renal failure to evaluate the diagnostic value of the bone scan in this disease. The illness followed carbon monoxide poisoning in two patients, acute physical exertion in one and contaminated intramuscular injection in the other. Whole-body rectilinear bone scans using technetium 99m-methyldiphosphonate were done. In all patients, increased muscle labelling at the regions of suspected muscle injury was showed, and in one, it was after normalization of serum muscle enzyme levels. In one patient, the bone scan was rechecked 8 months later and showed no residual abnormality. Above all, the site and precise extent of muscle injury could be detected and the degree of muscle labelling seemed to correlate with the severy of muscle injury. These findings suggest that isotope scanning may be useful in the diagnosis of patients with acute muscle necrosis.

• 시스템엔지니어링학술지
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• 제12권2호
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• pp.91-99
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• 2016

The safety of nuclear power plants has received much attention; this safety largely depends on the continuous availability of electrical energy source during all modes of nuclear power plant operation. A station blackout (SBO) describes the loss of the off-site electric power, the failure of the emergency diesel generators, and the unavailability of the alternate AC (AAC) power. Consequently, all systems that are AC powered such as the safety injection, shutdown cooling, component cooling water, and essential service water systems are unavailable. The aim of this study is to investigate the deficiencies of the existing alternatives for coping with an extended SBO for APR1400 design. The method is analyzing the existing deficiencies and proposing an optimal solution for the NPP design during the extended SBO. This study, established a new passive system, called passive decay heat removal system (PDHRS), using systems engineering approach.

• Asian Pacific Journal of Cancer Prevention
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• 제14권12호
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• pp.7375-7379
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• 2013

The main aim of this study was to investigate the roles of GST-${\pi}$ and $pol{\beta}$ genes in the chemoresistance of esophageal carcinoma cells. Eukaryotic expression vectors containing each gene were constructed and transfected into EC9706 cells, and the biological effects of the two genes assessed based on a resistance index. We additionally investigated the in vitro and in vivo anti-resistance effects of GST-${\pi}$ and $pol{\beta}$ genes using recombinant lentiviruses carrying siRNAs against the two genes. Our results showed that upregulation of GST-${\pi}$ and $pol{\beta}$ genes suppresses chemosensitivity of esophageal carcinoma cells to cisplatin, while downregulation of these two genes with RNAi technology reverses this chemoresistance. Multi-site injection of recombinant lentivirus targeting the GST-${\pi}$ gene into transplanted cDDP tumors effectively reversed their chemoresistant phenotype. However, the same treatment against the $pol{\beta}$ gene did not lead to significant efficacy against chemoresistance.