• Title/Summary/Keyword: patient-specific

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Comparison of Biomechanical Stability of Custom-made Hip Implants using Finite Element Analysis (스템 길이에 따른 환자맞춤 인공고관절의 역학적 안정성 비교)

  • Jun, Yongtae
    • Korean Journal of Computational Design and Engineering
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    • v.21 no.4
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    • pp.426-432
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    • 2016
  • Designing a morphologically well-fitted hip implant to a patient anatomy is desirable to improve surgical outcomes since a commercial ready-made hip implant may not well conform to the patient joint. In this study, biomechanical stability of patient-specific hip implants with two different stem lengths was compared and discussed using a 3D finite element analysis (FEA). The FEA results in this study showed that an increase in stem length brings about more the peaked von-Mises stress (PVMS) in the prosthesis and less in the femur. However the decrease in von-Mises stress in the femur causes stress shielding phenomenon that usually leads to considerable bone resorption. Although, in biomechanical stability point of view, this work recommends the use of smaller stems, the length of stem must be determined by considering both the von-Mises stress and the stress-shielding phenomenon.

Surgical Treatment of Esophageal Small Cell Carcinoma -1 Case Report- (식도에 발생한 소세포암의 수술 치험)

  • Kim, Seung-U;Ryu, Ji-Yun;Jo, Gwang-Hyeon
    • Journal of Chest Surgery
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    • v.29 no.8
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    • pp.923-926
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    • 1996
  • Small cell carcinoma of esophagus is a rare malignant tumor Recently we experienced one case of small cell carcinoma in mid thoracic esophagus. The patient was a 68 year old male patient. On preoperative endoscopic biopsy, neuroendocrine carcinoma was suspected. Esophagectomy and esophagogastrostomy was performed. Postoperative course was uneventful and patient was discharged without specific complicalion.

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A Case Report of Psoriasis Treated by Hoeyeok-tang based on Shanghanlun Provisions (『상한론(傷寒論)』 변병진단체계(辨病診斷體系)에 근거하여 회역탕(回逆湯)을 투여하여 호전된 전신 건선 증례 보고)

  • Lee, Wookjea;Lee, Soong-In
    • 대한상한금궤의학회지
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    • v.11 no.1
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    • pp.83-94
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    • 2019
  • Objective : There was an improvement in a patient with psoriasis following the intake of Hoeyeok-tang for 317 days. By analyzing these cases, we reviewed the use of Hoeyeok-tang in skin diseases and attempted to interpret the related Shanghanlun articles. Methods : The diagnostic process was analyzed according to the disease pattern identification diagnostic system based on the Shanghanlun provisions. The progression of psoriasis, which was addressed, was assessed using the PASI score. Results : The patient was diagnosed with Soeum-byung 324, and the PASI score decreased from 13.6 to 0.4 after the intake of Hoeyeok-tang for 317 days. The patient's compliance and expectation from treatment were good, and no specific adverse effect was identified. Conclusions : This study suggests the clinical use of Hoeyeok-tang in psoriasis based on Shanghanlun.

Orthodontic-prosthodontic interdisciplinary treatment for a patient with multiple missing posterior teeth and unilateral scissors bite (다수의 구치 상실과 편측성 가위교합을 갖는 환자의 보철 교정 협진 치료)

  • An, Kiyong
    • The Journal of the Korean dental association
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    • v.53 no.11
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    • pp.844-854
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    • 2015
  • This clinical report describes an orthodontic-prosthodontic interdisciplinary treatment for a patient with multiple missing teeth and unilateral scissors bite. A 47-year-old female presented with multiple missing posterior teeth, anterior large overjet, deep bite, and posterior scissors bite on the right premolar area. Periodontal therapy was performed and followed by orthodontic treatment. The maxillary anterior teeth were initially aligned, then two implants were placed for the left mandibular molars to increase occlusal vertical dimension. The scissors bite between the right maxillary and mandibular premolars were corrected using the miniscrews as an anchorage. Other implants were placed for the right maxillary and mandibular molars after the occlusal planes and occlusal relationship were harmonized. The patient adapted well to altered vertical dimension without any specific problems including peri-implant marginal bone loss. Interdisciplinary approach resolve the complex orthodontic-prosthodontic problems and concluded in successful results.

A Study on the Treatment of Dentally Handicapped Patients under Outpatient General Anesthesia (외래 전신마취하의 치과장애인 치료에 대한 연구)

  • Lee, Jae-Ho;Shon, Heung-Kyu;Kim, Jin-Ho
    • Journal of the korean academy of Pediatric Dentistry
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    • v.24 no.3
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    • pp.581-589
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    • 1997
  • 42 dentally handicapped patients who require general dental treatments but behavioral managements had been an obstacle to proper treatments were chosen and the author conducted dental treatment under outpatient general anesthesia. Followings are the conclusions 1. The average time for the treatment procedure was 2 hours and 1 minute and the average of 9.52 teeth were treated for individual patient indicating its high efficiency. 2. The average time for the recovery was 3 hours and 14 minutes and none of the patients showed any specific serious complications. 3. Treatments under outpatient general anesthesia can be a proper patient management method for the dentally handicapped patients if the patient selection is proper.

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A CASE REPORT OF TRAUMATIC NEUROPATHIC PAIN PATIENT (외상성 신경병증 환자의 치험례)

  • Choi, Moon-Gi
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.34 no.2
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    • pp.200-206
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    • 2008
  • A variety of mechanisms may generate pain resulting from injury to the peripheral nervous system. None of these mechanisms is disease-specific, and several different pain mechanisms may be present simultaneously in any one patient. Diagnosis of neuropathic pain is often easily made from the information gathered on neurologic examination and from patient history. Evidence of sensory disturbances elicited by examination combined with laboratory tests confirming injury to peripheral nerve establishes the diagnosis of neuropathic pain. Although treatment of neuropathic pain may be difficult, optimum treatment can be achieved if dentist has a complete understanding of the therapeutic options. Pharmacologic therapy has been the mainstay of treatment. Selection of an appropriate pharmacologic agent is by trial and error since individual response to different agents, doses, and serum level are highly variable. An adequate trial for each agent tried is key to pharmacologic treatment of neuripathic pain. If pharmacologic treatment is not effective, nerve block using lidocaine, steroid and alcohol and neurectomy must be considered for treatment option.

A Case Study on Effect of No mind-therapy(Korean traditional Qigong) on Autosomal Dominant Polycystic Kidney Disease(ADPKD) (다낭성신질환, 한의학으로 어떻게 접근할 것인가? (동의보감을 중심으로-증례보고))

  • Lee, Jung-Eun;Han, Young-Joo;Lim, Do-Hee;Park, Yang-Chun;Bae, Han-Ho
    • The Journal of Internal Korean Medicine
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    • v.25 no.4
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    • pp.192-199
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    • 2004
  • Objective : This study was designed to evaluate the extent of effectivness of no mind-therapy (Korean traditional Qigong) on ADPKD. Method : ADPKD patient were observed for one year, given no Western Treatments, and treated only Josik(調息), Joki(調氣)(Korean traditional therapy). Results : 1. The general condition of patient improved and there were specific symtoms that ceased. 2. Hypertention patient showed a lowering of blood pressure. Conclusion : These results suggest a role for no mind-therapy in treatement of ADPKD.

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A Study of Disposable Medical Clothes (일회용(一回用) 의료용(醫療用) 의복(衣服)에 대(對)한 연구(硏究))

  • Lee, Hyun-Mee
    • Journal of Fashion Business
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    • v.6 no.1
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    • pp.20-30
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    • 2002
  • The purpose of this study was to provide the basic informations of disposable medical clothes and develop new disposable medical clothes which are not caused environmental pollutions. The staffs of Yuhan-Kimberly and doctors, nurses and personnel of four general hospitals in Seoul were interviewed individually in order to collect useful data of disposable clothes. Also the samples of disposable medical clothes were examined. The materials, designs, size of potential market and actual consumption conditions of disposable medical clothes were found out. New disposable medical clothes were made after having considered all the aspects examined above. Two kind of medical gowns and caps, a kind of medical apron, three kinds of patient robes and a kind of patient cap were made of Korean traditional paper with specific functions instead of nonwoven polypropylene fabric.

A Cell-based Secure Sensor Network supporting Multi-casting Communication for the Application of Telemedicine (의료분야에서 멀티캐스트 통신을 지원하는 셀 기반의 안전한 센서 네트워크 구조)

  • Sung, Ji-Yeon;Choi, Ju-Young;Kim, Myuhng-Joo
    • Convergence Security Journal
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    • v.5 no.4
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    • pp.49-58
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    • 2005
  • We propose a specific ubiquitous sensor network (USN) architecture as a promising candidate of the future telemedicine model which offers the patient's mobility and more cost-efficient medical care system. This new USN architecture is a kind of cell-based secure sensor network supporting encrypted multi-casting communications and it has a hybrid routing protocol by adapting flat routing to hierarchical routing. For the patient's privacy and the protection of patient's vital information from eavesdropping, we adopt a lightweight PKI-based secure communication protocol with some formal presentation on its core procedure.

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Primary Cardiac Liposarcoma with Obstruction of Main Pulmonary Artery (고도의 폐혈류장애를 동반한 원발성 우심실 지방육종)

  • An, Byeong-Hui;Jang, Won-Chae;Kim, Sang-Hyeong
    • Journal of Chest Surgery
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    • v.27 no.2
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    • pp.157-160
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    • 1994
  • Primary tumors of the heart are extremely rare, and about 25 per cent of primary cardiac tumors are malignant. Recently, We experienced a case of primary cardiac liposarcoma occurred on the right ventricular outflow tract and extended into the main pulmonary artery. The patient was 57 year-old man and the chief complaints was severe exertional dyspnea. Emergency operation to relieve the right ventricular outflow tract obstruction was performed under cardiopulmonary bypass. The tumor was 5$\times$4$\times$3 cm in size and infiltrated into the right ventricle and ventricular septum. The tumor in the main pulmonary artery was removed without any difficulty but the on the right ventricular outflow tract was difficult to remove completely. The patient was recovered without any specific problems. After successful surgical resection and postoperative radiotherapy the patient discharged with good condition. Herein, the clinical characteristics of cardiac liposarcoma, the problems in differential diagnosis, the prognosis and current therapy are reviewed.

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