• Journal of Chest Surgery
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• v.32 no.4
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• pp.379-382
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• 1999

Background: There are several advantages to the ministernotomy approach. The skin incision is much smaller than the traditional median sternotomy incision. This approach allows the patients to return to normal life more quickly and provide them with good self-image. Material and Method: From April to July 1998, we performed a ministernotomy via lower half sternum in 25 patients. There were 10 males(40%) and 15 females(60%) with a mean age of 30${\pm}$16 years(range 3 to 55 years). The body surface area ranged from 0.58 to 1.9 m2(mean 1.5 to 0.4 m2). A vertical skin incision of 11cm in mean length was made in the midline over the sternum extending inferiorly from the third intercostal space. The sternum was divided vertically in the midline from the xyphoid process to the level of second intercostal space using a standard saw and then transversely to the left(n=17) or to both sides(n=4) of the second intercostal space using an oscillating saw. The sternum was divided vertically only in children (n=4). Result: The ministernotomy was used in 25 consecutive patients undergoing mitral valve replacement(n=10), repair of ventricular septal defect(n=4) and atrial septal defect(n=11). There was no significant complication related to ministernotomy. The mean ICU stay time 20 hours. Patient and family acceptance was very high. Conclusion: We concluded that minimally invasive cardiac surgery via ministernotomy can be done safely. These methods may benefit the patients with lesser discomfort, smaller incision, and earlier ICU discharge than the traditional incision.

• Journal of Chest Surgery
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• v.29 no.8
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• pp.910-915
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• 1996

The bullectomy through transaxillary minithoracotomy and video assisted thoracic surgery(VATS) have been widely used in treatment of spontaneous pneumothorax. The study comprised a retrospective review of 1 13 consecutive cases of whom underwent bullectomy through transaxillary minithoracotomy at Shinchon Severance Hospital(group T) and 129 consecutive cases of whom underwent thoracoscopical bullectomy at Youngdong Severance(group V) between January 1992 to Jun 1994. This study compare the clinical and economic resuts of group T and group V There were no significant differences for operation time, indwelling periods of chest tube, hospital stay, complication rate and rate of recurrence in the two groups. The times of parenteral analgesics use and treatment cost were significant less in group T.

• Proceedings of the Korean Professional Engineer Association Conference
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• 1994.10a
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• pp.125-130
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• 1994

• Journal of the korean veterinary medical association
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• v.40 no.11
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• pp.1003-1008
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• 2004

• 대한정형외과스포츠의학회:학술대회논문집
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• 2005.11a
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• pp.38-38
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• 2005

• 대한두경부종양학회:학술대회논문집
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• 1998.11a
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• pp.279.2-280
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• 1998

• Journal of Chest Surgery
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• v.37 no.2
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• pp.139-145
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• 2004

This study describes our surgical results of transventricular complete repair of tetralogy of Fallot in infants. Material and Method: Eight hundred and forty children underwent complete repair of TOF between January 1990 and April 2002 in our institute. One hundred sixty infants of them were included to this survey. Mean age at repair was 8.1$\pm$2.6 months (3∼12). Correction was accomplished through a short right ventriculotomy less than 30% of ventricular height in all patients. A transannular patch was necessary in 78 patients (49%). Result: There were four early deaths. There were no late deaths. Follow-up with mean duration of 66 months was completed in all survivors, All patients are currently in New York Heart Association functional class I or II. Twenty patients required late reoperations. Actuarial freedom from reoperation at 1 and 10 years were 94% and 87% respectively. Two-dimensional and Doppler echocardiographic follow-up studies showed good right ventricular function in all patients except three. Conclusion: Our results suggested that early complete repair of TOF yield the acceptable results with low mortality and morbidity. Transventricular repair of intracardiac pathology can be safely applied to these patient population, yielding good postoperative right ventricular function.

• Proceedings of the Korean Society for Quality Management Conference
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• 2006.11a
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• pp.51-56
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• 2006

이 연구에서는 의료서비스 품질 향상을 위하여 제안된 뇌 전위적 영상안내에 의한 개두술 방법과 옥틸 시안화 아크렬산염 (2-octylcyanoacrylate: 2-0CA)을 드레싱 재료로 사용한 조사군과, 전통적 개두술 방법과 봉합사 및 아이오다인을 사용했던 대조군과 비교를 실시하여 의료품질 향상 효과를 분석하였다. 연구방법으로는 특정 의료기관에서 26 례 조사군과, 38례 대조군을 대상으로, 임상적 특성, 감염균, 두피접착의 열개(裂開)성 및 기타 위험 인자를 조사하였다. 연구결과 새롭게 제안된 의료용 재료인 2옥틸시안화 아크릴산염은 피부조직 속으로 외부 액체가 유입되는 것을 억제하거나 제한하였으며, 외피 접착기능으로 창상보호 특히, 평균감염률과 감염빈도에 있어서 상대적으로 대조군보다 우수하였다. 한편 뇌 전위적 영상 안내에 의한 개두술 방법으로 수술시간의 단축과 수술 복잡성의 경감 및 위험성이 감소되었으며, 상처 부위 흔적이 적게 남는 등 미용적인 측면에서도 우수한 것으로 나타났다.

• Journal of the Korean Arthroscopy Society
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• v.3 no.1
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• pp.30-34
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• 1999

We report the case of a 30-year-old man who was presented with transient calcification on the graft shortly after anterior cruciate ligament(ACL) reconstruction using a autogenous bone patellar tendon. The patient underwent ACL reconstruction with two incisional technique and six month later, calcific density was seen radiologically around the graft. On postoperative 13 months follow-up radiographic films, the calcific density disappeared. After two months of operation, Lachman and pivot shift test were negative and one millimeter side to side difference was detected in KT-1000 with 20 Ibs strength. But 6 months after the reconstruction, mild anterior instability was detected with the calcific density around the grafted tendon. However the anterior stability was recovered according to the disappearance of calcific density.

• Journal of the Korean Arthroscopy Society
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• v.16 no.1
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• pp.40-46
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• 2012

Purpose: This study evaluated the clinical outcome of arthroscopic debridement of anterior compartment and mini-open resection of posterior osteophyte for the treatment of primary osteoarthritis of the elbow. Materials and Methods: Between March 2003 and Feburary 2010, 19 cases who were performed arthroscopic debridement of anterior compartment and resection of posterior osteophyte through mini-open procedure for refractory osteoarthritis of the elbow were enrolled. Average follow-up period was 19 months. Mean age was 49 years old. Clinical results were evaluated by the scoring system of Andrew-Carson Rating Scale (ACRS) and Mayo Elbow Performance Score (MEPS). Results: In the range of motion, flexion contracture was improved from $28.7^{\circ}$ preoperatively to $17.9^{\circ}$ postoperatively, further flexion was improved from $105.1^{\circ}$ to $121.8^{\circ}$. In the scoring system of MEPS, score was improved from 51.1 points preoperatively to 87.9 points in last follow up, 3 cases had in excellent result, 13 good and 3 fair. According to the scoring system of ACRS, score was improved from 92.9 points to 168.2 points, 3 excellent, 14 good and 2 fair. Except one case, all cases returned to preoperative ordinary daily living activity and their own job. Conclusion: For the treatment of refractory osteoarthritis of the elbow, arthroscopic debridement of the anterior compartment and mini-open resection of posterior osteophyte would be helpful on pain relief and functional recovery of the elbow. But this procedure was required long term follow-up in aspect of recurrence of osteophytes and progress of arthritis of the elbow.