• Journal of Chest Surgery
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• v.37 no.6
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• pp.536-538
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• 2004

There are still some controversies regarding one stage repair of pectus deformity with congenital heart disease due to probable complications after extensive resection of deformed cartilages. We performed Nuss operation with simul-taneous intracardiac repair in 8 year old patient with pectus excavatum and partial atrioventricular septal defect. The result of operation was satisfactory without prolongation of operation time, bleeding or instability of chest wall.

• Journal of Korean Society for Quality Management
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• v.15 no.1
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• pp.76-81
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• 1987

Past treatment of the single machine maintenance problem has shown that preventive maintenance may be desirable for equipment for which failures are caused at least partially by wear-out factors. In all previous treatment, however, the size of the maintenance-repair crew has been held constant and the optimal maintenance period has then been determined. This paper suggests a simultaneous solution for the maintenance-repair crew size and the optimal maintenance period. The optimal maintenance period is seen to shift as the size of the maintenance-repair crew varies.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.40
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• pp.43.1-43.5
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• 2018

Background: Functional closure of the orbicularis oris muscle and esthetic reconstruction of nasolabial components are impossible in patients with severely deformed premaxilla. Here, we review a surgical strategy for patients with unremedied premaxilla retrospectively. Results: Vomerine ostectomy and premaxillary setback with nasolabial repair were performed in 12 patients with bilateral cleft lip and palate. The mean age of patients was 21.7 months. The extent of ostectomy varied between 3 and 11 mm. There were no serious complications from defective perfusion to the premaxilla or the philtral flap. The follow-up period ranged from 2 to 25 months. Proper positioning of the premaxilla and satisfactory nasolabial esthetics were achieved in all patients. Conclusions: We performed nasolabial repair after premaxillary setback without jeopardizing the premaxillary segment or the philtral flap. Our surgical strategy could be recommended in poor socio-economic circumstances due to the cost effectiveness of limiting the number of surgeries.

• Electronics and Telecommunications Trends
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• v.37 no.2
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• pp.53-61
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• 2022

MicroLEDs have various advantages and application areas and are in the spotlight as next-generation displays. Nevertheless, the commercialization of microLEDs is slow because of high cost as well as difficulties in the transfer, bonding, and bad pixel repairing process. In this study, we review the development trends of transfer, bonding, and defective pixel repair technologies, which are critical for microLED commercialization, focusing on materials that determine these technologies. In addition, we focus on the simultaneous transfer bonding technology developed by the Electronics and Telecommunications Research Institute, which has been attracting enormous research attention recently.

• Korean Journal of Cleft Lip And Palate
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• v.12 no.2
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• pp.95-100
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• 2009

In spite of all fine methods developed for treating cleft lip, a certain percentage of cases might still need secondary correction. Generally, secondary revision of cleft lip is much difficult to produce esthetic outcome, because the cleft lip scar gives a variable symmetrical and anatomic defect that may not be possible to make inconspicuous of this scar and rebuild good esthetics. In this case report, a five year-old girl was underwent secondary cleft lip repair using straight line technique to correct unfavorable postoperative scar, peaking of Cupid's bow, notching of vermillion and shortened lip on cleft side with simultaneous repairing cleft palatal fistula. After operation, the secondary deformity was much improved, but, long term follow up is needed to evaluate the additional postoperative deformity might be happen during growth.

• Journal of the Korean Arthroscopy Society
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• v.9 no.1
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• pp.65-69
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• 2005

It is well known that the two main variants of the anterior cruciate ligament (ACL) ruptures in an adolescent include tibial eminence fractures and midsubstance tears. Authors report a case of 17-year-old girl with simultaneous bilateral anterior cruciate ligament ruptures at the ligamento-osseus junction of tibial attachment which was treated with arthroscopic primary repair.

• Journal of Chest Surgery
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• v.47 no.1
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• pp.71-74
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• 2014

For high-risk patients, endovascular aortic aneurysm repair (EVAR) is a good option but may lead to serious complications, which should be addressed immediately. A 75-year-old man with a history of abdominal surgery underwent EVAR for an aneurysm of the abdominal aorta and iliac arteries. During EVAR, iliac artery rupture and graft limb occlusion occurred, and they were successfully managed by the additional deployment of an iliac stent graft and balloon thrombectomy, respectively. We, herein, report a rare case of the simultaneous development of the two fatal complications treated by the endovascular technique.

• Investigative Magnetic Resonance Imaging
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• v.21 no.3
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• pp.187-191
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• 2017

Bone marrow aspirates concentrate (BMAC) transplantation is a well-known technique for cartilage regeneration with good clinical outcomes for symptoms in patients with osteoarthritis (OA). Magnetic resonance imaging (MRI) has an important role in evaluating the degree of cartilage repair in cartilage regeneration therapy instead of a second assessment via an arthroscopy. We experienced a case of hypertrophic regeneration of the cartilage and a presumed simultaneous regeneration of the posterior horn of the lateral meniscus after BMAC transplantation for a cartilage defect at the lateral tibial and femoral condyle. This report provides the details of a case of an unusual treatment response after a BMAC transplant. This report is the first of its kind to demonstrate a MR image that displays the simultaneous regeneration of the cartilage and meniscus with a differentiation ability of the mesenchymal stem cell to the desired cell lineage.

• Journal of Korean Neurosurgical Society
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• v.51 no.4
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• pp.240-243
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• 2012

Dural tears can occur during spinal surgery and may lead to cerebrospinal fluid (CSF) leakage which is rarely involved in remote cerebellar hemorrhage. Only a few of cases of simultaneous cerebral and cerebellar hemorrhage have been reported in the English literature. We experienced a case of multiple remote cerebral and cerebellar hemorrhages in a 63-year-old man who exhibited no significant neurologic deficits after spinal surgery. Magnetic resonance imaging (MRI) performed 4 days after the surgery showed a large amount of CSF leakage in the lumbosacral space. The patient underwent the second surgery for primary repair of the dural defect, but complained of headache after dural repair surgery. Brain MRI taken 6 days after the dural repair surgery revealed multifocal remote intracerebral and cerebellar hemorrhages in the right temporal lobe and both cerebellar hemispheres. We recommend diagnostic imaging to secure early identification and treatment of this complication in order to prevent serious neurologic deficits.

• Journal of Chest Surgery
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• v.21 no.6
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• pp.1003-1019
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• 1988

From 1982 to 1987, six patients underwent left ventricular aneurysmectomy with concomitant myocardial revascularization. Simultaneous repair of postinfarction ventricular septal defect was performed in 3 patients and left ventricular thrombectomy in two. There was no hospital mortality and late mortality during 220 months* follow up period-.[Mean 36.7 months, range 13 to 72 months] Their condition was improved in all. They live in physical condition of NYHA class I-II. We believe early surgical intervention can be life-saving, and can be done without undue surgical risk, even in cases of postinfarction VSD and LV aneurysm with failing heart.