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Advantages of Using Ultrasound in Regional Anesthesia for a Super-Super Obese Patient
임우재,윤경섭,홍정인,박상융,최소론,이종환 고신대학교(의대) 고신대학교 의과대학 학술지 2019 고신대학교 의과대학 학술지 Vol.34 No.1
In this case report, we describe the use of ultrasound in the administration regional anesthesia for a super-super obese patient. A 23-year-old female patient (height 167.2 cm, weight 191.5 kg, body mass index 68.6 kg/m2) was admitted to the hospital for surgical repair of an anterior talofibular ligament rupture. We used ultrasound to help facilitate the administration of regional anesthesia. In the sagittal view of the lumbar spine, (with the patient in a sitting position) we were able to identify the border between the sacrum and the lumbar vertebral; in the transverse view, we were able to identify the transverse process, posterior dura, vertebral body, and the distance from the skin to the posterior dura. After skin marking, regional anesthesia was successfully performed. Based on this case study, we suggest that ultrasound can be very useful in regional anesthesia for severely obese patients.
임우재 ( Woo-jae Lim ),유정원 ( Jung-won Yu ),김대호 ( Dae-ho Kim ),박상범 ( Sang-beom Park ),서용준 ( Yong-jun Seo ),정종화 ( Jong-hwa Jeong ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.2
본 연구는 국내 각 과일별 재배 면적 및 해당 지역의 날씨 등의 데이터를 이용하여 실 생산량을 예측하고 각 과일별 경합관계를 적용하여 실제 수입 되는 과일의 수입량과의 상관관계를 분석하여 실제 가격을 예측하고자 한다. 본 결과를 통해 다변화 되는 국내 과일 시장에서 농업, 수입업에 대한 방향성 제시를 그 목적으로 둔다.
황재호,임우재,안석환 釜山水産大學校 1994 釜山水産大學 硏究報告 Vol.34 No.1
In this paper, stress corrosion cracking behavior, and stress corrosion cracking behavior under cavitation-erosion of water injection were investigated. Main result obtained were as follows 1) The weight loss of stress corrosion under stress is less susceptive than that of stress corrosion under stress and cavitation environment. 2) Cracking growth rate of stress corrosion under stress and cavitation is faster than that of stress corrosion under stress. 3) Corrosion potential of stress corrosion under stress and cavitation is less noble than that of stress corrosion under stress. And corrosion current density under stress and cavitation is higher than that of stress corrosion under stress.
박상융,김정호,임우재,정준호,이승철,최소론,이종환,정찬종 고신대학교(의대) 고신대학교 의과대학 학술지 2019 고신대학교 의과대학 학술지 Vol.34 No.2
Tracheostomy is increasingly performed in children for upper airway anomalies. Here, an 18-month-old child (height 84.1 cm, weight 12.5 kg) presented to the emergency department with dyspnea, stridor, and chest retraction. However, exploration of the airways using a bronchoscope failed due to subglottic stenosis. Therefore, a surgical tracheostomy was successfully performed with manual mask ventilation. However, pneumomediastinum was found in the postoperative chest radiograph. Although an oxygen saturation of 99% was initially maintained, oxygen saturation levels dropped, due to sudden dyspnea, after 3 hours. A chest radiograph taken at this time revealed a left tension pneumothorax and small right pneumothorax. Despite a needle thoracostomy, the pneumothorax was aggravated, and cardiac arrest occurred. Cardiopulmonary- cerebral resuscitation was performed, but the patient was declared dead 30 minutes later. This study highlights the fatal complications that can occur in children during tracheostomy. Therefore, close monitoring, immediate suspicion, recognition, and aggressive management may avoid fatal outcomes.
채경린,박상융,홍정인,임우재,이승철,정찬종 대한마취통증의학회 2019 Anesthesia and pain medicine Vol.14 No.3
Background: Gender and age are known factors that affect postoperative pain. The purpose of this study was to investigate the effect of gender and age on postoperative pain and analgesic consumptions after laparoscopic cholecystectomy. Methods: We studied 240 adult patients (120 female patients and 120 male patients) who underwent elective 3-port laparoscopic cholecystectomy under general anesthesia. The numerical rating scale (NRS) scores were assessed before surgery, when the patient arrived in the recovery room, and at 8, 16, and 24 h after surgery. Analgesic consumptions in the recovery room and at 24 h postoperatively were evaluated. We compared the NRS scores and quantity of analgesics between the gender groups and the age groups (20–45, 46–64, and ≥ 65 years old). Results: Compared to male patients, female patients had higher NRS scores (6 [5, 7] vs. 5 [4, 6]; P = 0.001) and required a higher dose of fentanyl (0.94 ± 0.47 µg/kg vs. 0.79 ± 0.41 µg/kg; P = 0.011) in the recovery room. The younger female patients (20–45 and 46–64 years old) required a higher dose of fentanyl than those older than 65 years of age in the recovery room. Conclusions: Female patients exhibit higher NRS scores and greater consumptions of analgesics than male patients immediately postoperatively. Younger female patients require more analgesics than elderly patients in the recovery room.