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임상연구 : 체외순환 없는 관상동맥우회술(Off-Pump Coronary Artery Bypass) 마취에서의 수혈기준에 따른 농축적혈구 수혈양상 및 예후 비교
권민아 ( Min A Kwon ),정재욱 ( Jea Wook Jeong ),박계현 ( Kay Hyun Park ),양미경 ( Mi Kyung Yang ),김정수 ( Chung Su Kim ),조현성 ( Hyun Sung Cho ),이상민 ( Sang Min Lee ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.4
Background: A new transfusion guideline was developed to reduce the number of unnecessary blood preparations and transfusions as well as the complications associated with transfusions in an off-pump coronary artery bypass (OPCAB) procedure. The results were compared with those using existing guidelines. Methods: The patients who had undergone an elective OPCAB were divided into 2 groups. In group A (n = 70, with existing transfusion guideline), the anesthesiologists transfused to a Hemoglobin (Hb) level of 8.0-10.0 g/dl based on the decisions of the anesthesiologists or surgeons. In group B (n = 102, using new transfusion guideline), the transfusion was performed to a Hb of 8.0 g/dl. The number of preoperative blood preparations, transfusions, and wastage were evaluated, and the Hb concentrations were examined preoperatively, postoperatively, at discharge, and 2 weeks after surgery. The incidence of postoperative complications in the two groups was compared. Results: There was no significant difference in the preoperative, intraoperative, and postoperative minimal Hb concentrations between the two groups. However, the Hb concentrations in group B on the day after surgery, at discharge, and 2 weeks after surgery were significantly lower than those in the control group (P < 0.001); the Hb was > 10.0 g/dl in group B (minimum Hb 10.4 g/dl). The rate of bloodless OPCAB increased from 2% to 57%. There was a similar number of blood restorations and wastage, incidence of wound infections, bleeding, arrhythmias, myocardial infarctions, sudden death, length of the ICU stay and postoperative admissions in the two groups. Conclusions: With the new transfusion guideline, number of P-RBC preparations and transfusions was decreased significantly without an increase in the incidence of complications. (Korean J Anesthesiol 2006; 51: 415~20)
증례보고 : 폐외 결핵농양 환자의 기관내 삽관 중 발견된 후두개결핵 의증
송재격 ( Jae Gyok Song ),권민아 ( Min A Kwon ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.56 No.4
Epiglottic tuberculosis without pulmonary involvement is an uncommon disease that has rarely been described in Korea. We report here a case of a 36 year-old man with a recurrent tuberculosis abscess in his thigh. He had been treated with steroids for systemic lupus erythematosus, and he suffered from recurrent tuberculosis abscess in the thigh where he had received total hip replacement arthroplasty. When inducing general anesthesia for incision and drainage, we noticed a destroyed epiglottis. After consultation with an otolaryngologist, we concluded that the patient has had epiglottic tuberculosis and precautions against tuberculosis infection were taken. The surgery ended without event. The patient recovered safely and was transferred from the operating room directly to the general ward. In this paper, we also discussed the epiglottic tuberculosis and precautions that were taken to prevent tuberculosis infection of the healthcare workers in the operating theater. (Korean J Anesthesiol 2009;56:457~61)
증례보고 : 병적 비만환자에서 쇄골상차단법으로 시행한 상완신경총 차단 후 발생한 호흡곤란
송재격 ( Jae Gyok Song ),김석곤 ( Seok Kon Kim ),전대근 ( Dae Geun Jeon ),권민아 ( Min A Kwon ),유진희 ( Jin Hee Yoo ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.57 No.4
A 57-year-old woman with morbid obesity (BMI: 37.39) was scheduled for ligament reconstruction with tendon interposition of the carpometacarpal joint. A difficult supraclavicular brachial plexus block was performed using a 22-gauge regional block needle with a nerve stimulator and 40 ml of 1% mepivacaine. Approximately 10 minutes after the injection, she complained dyspnea, shortness of breath and right mid-thoracic pain. Her oxygen saturation decreased from 100% to 95%. Diagnostic workup revealed right diaphragmatic elevation caused by phrenic nerve block. General anesthesia was induced because of the unsuccessful brachial plexus block and dyspnea with chest pain. She recovered without any residual complications and was discharged on the third postoperative day. Phrenic nerve block is a common complication in supraclavicular brachial plexus block but it is usually not severe and reassurance is enough to control it. However, pre-operative physical conditions that may lead to decreased respiratory reserves, such as morbid obesity should be considered as a risk factors when conducting supraclavicular brachial plexus block. (Korean J Anesthesiol 2009;57:511∼4)
소셜네트워크서비스를 이용하는 대학생들의 스마트폰 중독과 대인관계능력의 관계
박순주(Soonjoo Park),권민아(Min-A Kwon),백민주(Min-Ju Baek),한나라(Na-Ra Han) 한국콘텐츠학회 2014 한국콘텐츠학회논문지 Vol.14 No.5
본 연구는 스마트폰을 통해 소셜네트워크서비스(SNS)를 이용하는 대학생들의 스마트폰 중독정도와 대인관계능력간의 관계를 파악하기 위한 서술적 조사연구이다. 연구대상자는 전국 6개 지역 대학에 재학 중인 대학생 502명이며, 2012년 5월부터 6월 사이에 성인 스마트폰 중독 자가진단척도와 대인관계능력 검사지를 이용하여 자료를 수집하였다. 자료분석은 기술통계와 χ²-test, t-test, ANOVA, Pearson correlation coefficient를 이용하였다. SNS 이용자의 스마트폰 중독정도는 중독군이 24.8%, 일반군이 75.2%였다. SNS 이용자 가운데 스마트폰 중독집단과 일반집단의 대인관계능력은 차이가 없었으나, 하위영역 중 자기노출 능력은 중독집단이 일반집단보다 더 높게 나타났다. 그리고 스마트폰 중독 하위영역 중 가상세계지향성이 높을수록 대인관계능력이 낮았고, 스마트폰 중독정도가 높을수록 대인관계능력 하위영역 중 대인갈등 다루기 능력이 낮게 나타났다. 본 연구 결과는 대학생들의 스마트폰 중독예방 및 대인관계능력 증진을 위한 프로그램 개발에 활용될 수 있을 것이다. The purpose of this study was to investigate the relation between smartphone addiction and interpersonal competence of college students using social network service(SNS) through smartphones. This study used a descriptive study design. The convenience sample consisted of 502 college students in six cities. The data were collected from May to June in 2012 using Korean Smartphone Addiction Proneness Scale and Interpersonal Competence Questionnaire. Descriptive statistics, χ2-test, t-test, analysis of variance, and Pearson correlation coefficient were used to analyze the data. The results showed that 24.8% of SNS users were considered as a risk group, while 75.2% were normal user group. There were no significant differences of interpersonal competence between risk group and normal user group in the SNS users. However, risk group had higher self-disclosure scores than normal user group. The subjects who had higher scores for virtual life, one of smartphone addiction subdomains, had lower interpersonal competence and those with higher smartphone addiction scores showed lower score of managing interpersonal conflict in subdomains of interpersonal competence. These findings would contribute in development of preventive interventions for smartphone addiction and improvement program for interpersonal competence in college students.
임상연구 : 두부 하강, 외회전 자세에서의 내경정맥과 경동맥의 관찰
정익수 ( Ik Soo Chung ),권민아 ( Min A Kwon ),황희윤 ( Hee Youn Hwang ),박정헌 ( Jeong Heon Park ),여진석 ( Jin Seok Yeo ),김정수 ( Chung Su Kim ),함태수 ( Tae Soo Hahm ),이상민 ( Sang Min Lee ),조현성 ( Hyun Sung Cho ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.1
Background: This study evaluated the position and relationship between the right internal jugular vein (IJV) and the surrounding external landmarks using ultrasonography. Methods: Fifty-four patients undergoing central vein access for cardiac surgery were enrolled in this study. The IJV, carotid artery (CA) and sternocleidomastoid muscle (SCM) at the cricoid cartilage level in 15˚ trendelenburg position with 30˚ head rotation were examined using a two dimensional ultrasound transducer of a TEE machine. Images of the vessels and the demographic data of the patients were recorded and analysed. Results: At the level of the cricoid cartilage, the position of the right IJV was medial to middle of the clavicular head of the SCM muscle in 26 cases (48.2%), lateral in 11 cases (20.4%) and just above the middle of clavicular head of the SCM muscle in 17 cases (31.5%). In 43 patients (79.6%), the IJV overlapped the CA anterolaterlly < 5 mm, and these cases were regarded as normal. Ten patients (18.5%) had a medially positioned IJV overlapping the CA more than 5 mm and the IJV was positioned lateral to CA in 1 (2%) patient. The mean ratio of the overlapped diameter and the diameter of the CA was 33.6% and the overlapping ratios were greater than 50% in 10 patients (31.4%). The mean skin-to-vein distance at the angle of 30˚ was 1.82 cm. Conclusions: In 18.5% of patients positioned in the 15˚ Trendelenburg position, with their head turned to the left 30˚, the IJV overlapped the CA medially more than 5 mm, which increased the risk of a carotid puncture using the blind technique. (Korean J Anesthesiol 2006; 51: 11~6)
임상연구 : 진통제와 환자 조절 진통(Patient-Controlled Analgesia)에 대한 수술 전 교육이 수술 후 진통제 사용량에 미치는 영향
박정헌 ( Jeong Heon Park ),권민아 ( Min A Kwon ),구명신 ( Myoung Shin Koo ),김용익 ( Yong Ik Kim ),김순임 ( Soon Im Kim ),김선종 ( Sun Chong Kim ),강진구 ( Jin Gu Kang ),조현성 ( Hyun Sung Cho ),이병달 ( Byung Dal Lee ),김갑수 ( G 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.6
Background: The purpose of this study is to evaluate the patients` general perception about the analgesics and the effects of the preoperative education about analgesics and patient-controlled analgesia (PCA). Methods: One hundred patients scheduled for elective gastrectomy were randomly allocated into two groups. In control group (n = 50), patients were given conventional preanesthetic visit with questionnaire survey on PCA one day before operation. In study group (n = 50), patients were sufficiently explained about postoperative analgesia and PCA by anesthesiologist and given precise explanation sheet about PCA. Total amounts of drug used in PCA as well as rescue analgesics, the pain scores, and side effects were compared. Results: 62.2% of patients had much information from various sources that analgesics effects positively in the recovery phase, but actually 73.7% of patients considered that analgesics do not seem to have any influence on the recovery after operation. There was no difference between the amounts of total PCA used, rescue analgesics, and the pain scores. However, the educated patients complained less dizziness at postoperative days (POD) one. Also, the number of patients excluded from study due to the PCA discontinuation secondary to related side effects was less in educated patients (P = 0.025). Conclusions: Preoperative education about analgesics and PCA failed to demonstrate significant decrease in the amount of analgesics and of pain scores. However, it lowered the incidence of PCA discontinuation due to side effects. (Korean J Anesthesiol 2006; 51: 715~9)