• 제목/요약/키워드: Femoral head

검색결과 172건 처리시간 0.024초

CT기반 3차원 모델을 이용한 고관절 운동범위 예측 (Hip Range of Motion Estimation using CT-derived 3D Models)

  • 이연수
    • 한국방사선학회논문지
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    • 제12권1호
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    • pp.115-122
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    • 2018
  • 본 연구에서는 CT영상기반 3차원 고관절모델을 이용한 컴퓨터시뮬레이션을 통해서 고관절의 운동범위(Range of Motion)를 측정하는 방법을 제시하였다. 본 연구에서는 그 측정방법에 대한 기술적인 사항을 제시하고, 그 기술이 재현성 있게 실현할 수 있도록 대퇴골두 중심점의 결절, 대퇴골 외전(Abduction)/내전(adduction)회전축, 굽힙(flexion)/신전(extension) 회전축을 정의하고 측정하는 명확한 방법을 제시하였다. 외전각은 해부학적인 시상면(Sagittal plane)상의 Anterior-Posterior축에 대해 아래쪽(Inferior)면으로부터 Lateral 쪽으로의 회전각으로 정의된다. 최대외전각은 대퇴골두가 엉덩이뼈(Pelvis)의 절구(Acetabulum)의 테두리와 겹치지 않고 Anterior-Posterior축을 중심으로 회전할 수 있는 최대 외전각으로 결정된다. 굴곡각은 해부학적인 관상면(Coronal plane)상의 Medial-Lateral축에 대해 아래쪽(Inferior)면으로부터 회전각으로 정의된다. 최대굴곡각은 대퇴골이 Medial-Lateral축을 중심으로 엉덩이뼈(Pelvis)의 절구(Acetabulum)의 테두리와 겹치지 않고 회전할 수 있는 최대 굴곡각으로 결정된다. 정상고관절에 비해 인공고관절술을 받은 해당 환자의 경우, 외전에서는 60도 정도, 굽힘에서는 4도 정도 운동범위가 줄어들 수 있다는 예측이 나왔다. 본 연구에서 행한 시뮬레이션을 해보고 외전의 경우 운동범위의 감소가 예측되므로, 대퇴골두를 조금 큰 것을 고르거나 대퇴골목부의 길이 (femoral neck offset)를 길게 시술해야 할 필요가 있음을 의미한다.

조기 체중부하 및 진자운동이 뇌졸중 환자의 무용성 골다공증에 미치는 영향 (The Effects of Early Weight Bearing and Vibration Exercise on Disuse Osteoporpsis in Stroke Patients)

  • 강정일
    • The Journal of Korean Physical Therapy
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    • 제17권1호
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    • pp.27-42
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    • 2005
  • This study aims to investigate the effect of Early Weight Bearing and Vibration Exercise and is focusing on the difference between changes if experimental before and after on 30 stroke patients. The obtained results are as follows; First, the chang due to Early Weight Bearing and Vibration in the comparison of experimental duration, Early Weight Bearing and Vibration Exercise showed improvement of Bone Density(P<.05). Second, in the comparison of change according to Early Weight Bearing and Vibration Exercise, Bone Density was significantly changed between two experimental group(P<.05). Third, the chang due to Early Welght Bearing and Vibration Exercise, Bone Density of sound femoral head and affected femoral head was significantly changed(P<.05). Fourth, the chang due to Early Weight Bearing and Vibration Exercise, Bone Density of femoral head was significantly changed between two experimental group(P<.05).

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개에서 대퇴골두절단술이 보행에 미치는 영향 (Effect of Femoral Head Osteotomy on Walking in Dogs)

  • 박재헌;홍성혁;이기창;권오경;남치주
    • 한국임상수의학회지
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    • 제9권2호
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    • pp.427-431
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    • 1992
  • This study was performed to investigate the effect of excision arthroplasty of femoral head on walking in dogs. Observations of standing, walking and running were made for 6 months after operation. The recovery periods in excision arthroplasty of femoral head were 21~29 and 71~127 days in small and large dogs, respectively. When the biceps femoris muscle was utilized, the recovery period were 21~29 and 43~57 days in small and large dogs, respectively.

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정상 한국인 대퇴골두의 $^{99m}Tc-Tin$ Colloid 섭취율 ($^{99m}Tc-Tin$ Colloid Uptake Ratio of Femoral Head in Healthy Korean)

  • 지원희;손형선;김춘열;박용휘
    • 대한핵의학회지
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    • 제23권2호
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    • pp.215-218
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    • 1989
  • Tc-99m-tin colloid distribution in the hip is studied in 76 patients with no hepatic and hip disorder, because knowledge of normal uptake pattern in the hip is important in evaluation of femoral head vasculature after a fracture. The uptake in femoral head is decreased or disappeared with increasing age due to conversion of red marrow to white marrow.

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개에서 Propionyl Promazine과 Ketamine HCI의 투여 및 대퇴골두절단술이 림프구 유약화능에 미치는 영향 (Effect of the Administration of Propionyl promazine and ketamine HCI and Osteotomy of Femoral Head on the Lymphocyte Blastogenesis in Dogs)

  • 연성찬;권오경;남치주
    • 한국임상수의학회지
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    • 제10권1호
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    • pp.47-54
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    • 1993
  • To investigate the effects of sedation, anesthesia and surgery on lymphocyte blastogenesis, the administration of propionyl promzine and ketamine HCI and osteotomy of femoral head either alone of in combination were performed in dogs. Lymphocyte blastogenesis to the PHA-M stimulation was measured by counting $^3H-thymidine$ incorporated. Significant decrease of blastogenesis was observed until 72 hours after treatment in the group treated with propionyl proazine, but only at 4 hours in the group treated with ketamine HCI. In the group in which anesthesia and osteotomy of femoral head were performed blastogenesis decreased significantly until 24 hours after treatment. The present study indicated that transient depression of the lymphocyte blastogenesis after surgery was occurred due to the sedation and anesthesia as well as surgery itself.

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Transient osteoporosis of the hip with a femoral neck fracture during follow-up: a case report

  • Yusuke Tabata;Shuhei Matsui;Masabumi Miyamoto;Koichiro Omori;Yoichiro Tabata;Tokifumi Majima
    • Journal of Yeungnam Medical Science
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    • 제40권2호
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    • pp.212-217
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    • 2023
  • We report a case of transient osteoporosis of the hip with a femoral neck fracture found during follow-up. A 53-year-old man presented with left hip pain without trauma. The pain did not improve after 2 weeks and he was brought to our hospital by ambulance. Magnetic resonance imaging (MRI) of the left hip joint showed diffuse edema in the bone marrow, which was identified by low signal intensity on T1-weighted images, high signal intensity on T2-weighted images, and increased signal intensity on short tau inversion recovery. This edema extended from the femoral head and neck to the intertrochanteric area. He was diagnosed with transient osteoporosis of the left hip. Rest gradually improved his pain; however, 3 weeks later, his left hip pain worsened without trauma. X-ray, computed tomography, and MRI results of the hip joint demonstrated a left femoral neck fracture, and osteosynthesis was performed. Differential diagnoses included avascular necrosis of the femoral head, infection, complex regional pain syndrome, rheumatoid arthritis, leukemia, and other cancers. Transient osteoporosis of the hip generally has a good prognosis with spontaneous remission within a few months to 1 year. However, a sufficient length of follow-up from condition onset to full recovery is necessary to avoid all probable complications such as fractures.

대퇴골두 무혈성 괴사의 탕약 치료에 대한 무작위대조군 연구의 최신 경향 분석: 중국지망(中國知網) 검색을 중심으로 (Research Trends of Randomized Controlled Trial Studies on the Herbal Treatment of Avascular Necrosis of the Femoral Head Using China National Knowledge Infrastructure Database)

  • 김현진;안재영;신나영;고아라;이영진;박재은;이민철;전명규;김현우;조혜정;채고은;남혜진
    • 한방재활의학과학회지
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    • 제32권3호
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    • pp.37-53
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    • 2022
  • Objectives This study was conducted to investigate a randomized controlled trial study on the clinical treatment of herbal medicines for avascular necrosis of the femoral head. Methods By March 2022, the China National Knowledge Infrastructure (CNKI) was reviewed about randomized controlled trial studies on the herbal treatment of avascular necrosis of the femoral head through. The publication year, evaluation criteria, treatment period, treatment method and effectiveness were analyzed for articles published from 2017 to 2022. Results 16 articles were selected and 14 kinds of herbal medicines were used. In most studies, Western medical treatments such as injection therapy, oral drug administration, traction therapy and mid-frequency electric therapy were treated alone in the control group, and a combination of Western medical treatment and herbal treatment was administered to the experimental group. Conclusions In China, there have been many studies on herbal treatment for avascular necrosis of the femoral head. In Korea, more clinical studies on the herbal treatment of avascular necrosis of the femoral head are needed. This study will be helpful for future research in Korean medicine on avascular necrosis of the femoral head.

Evaluation of the Cost Effectiveness of Routine Histopathologic Femoral Head Analysis in Hip Arthroplasty

  • Zoe Brown;Michael Perry;Cameron Killen;Daniel Schmitt;Michael Wesolowski;Nicholas M. Brown
    • Hip & pelvis
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    • 제34권1호
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    • pp.56-61
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    • 2022
  • Purpose: Histopathologic analysis of femoral head specimens following total hip arthroplasty (THA) is a routine practice that represents a significant use of health care resources. However, it occasionally results in discovery of undiagnosed hematopoietic malignancy and other discrepant diagnoses such as avascular necrosis. The purpose of this study was to determine the rate of discordant and discrepant diagnoses discovered from routine histopathological evaluation of femoral heads following THA and perform a cost analysis of this practice. Materials and Methods: A review of patients undergoing primary THA between 2004-2017 was conducted. A comparison of the surgeon's preoperative and postoperative diagnosis, and the histopathologic diagnosis was performed. In cases where the clinical and histopathology differed, a review determined whether this resulted in a change in clinical management. Medicare reimbursement and previously published cost data corrected for inflation were utilized for cost calculations. Results: A review of 2,134 procedures was performed. The pathologic diagnosis matched the postoperative diagnosis in 96.0% of cases. Eighty-three cases (4.0%) had a discrepant diagnosis where treatment was not substantially altered. There was one case of discordant diagnosis where lymphoma was diagnosed and subsequently treated. The cost per discrepant diagnosis was $141,880 and per discordant diagnosis was $1,669 when using 100% Medicare reimbursement and Current Procedural Terminology (CPT) code combination 88304+88311. Conclusion: Histopathologic analysis of femoral head specimens in THAs showed an association with high costs given the rarity of discordant diagnoses. Routine use of the practice should be at the discretion of individual hospitals with consideration for cost and utility thresholds.

랫드에서 대퇴골머리 골괴사 유발 외과적 방법의 비교 (A Comparison of Surgical Methods of Inducing Femoral Head Osteonecrosis in Rats)

  • 김준수;박진욱;최석화;김근형
    • 한국임상수의학회지
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    • 제27권3호
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    • pp.240-245
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    • 2010
  • 대퇴골 머리의 골괴사는 특발성이며 진행성 질환이다. 골괴사증 연구를 위한 다양한 동물모델이 보고되었지만, 현재까지 표준화된 동물모델은 완성되지 않았다. 본 연구에서 랫드에서 세가지 외과적인 방법으로 유발한 골괴사모델을 비교하였다. 20마리의 SD 랫드 (24주령, 숫컷)를 각 5마리씩 대조군과 세개의 실험군으로 구분하였다. 세가지 외과적인 방법으로 골괴사를 유발하였다. 원인대를 자르고, 대퇴골목의 골막을 절개 (S군), 철사를 대퇴골목에 결찰 (W군), W군과 동일한 방법으로 대퇴골목에 철사를 감은 후, 전기소락기의 끝을 철사에 접촉시켜 소락, 그리고 철사를 제거 (B군). 2주후, 랫드는 안락사하고 대퇴골 머리와 목을 채취하였다. H/E 염색, 사프라닌 O염색, TUNEL 염색을 실시하여 대퇴골 머리의 골과 연골에 골괴사 병변을 평가하였다. 모든 외과적인 방법 (S, W, B군)에서 골괴사가 2주간의 단기간에 유발되었다. 연골부분에 대한 유의적인 괴사변화는 B군에서만 관찰되었다. 철사를 통한 소락 후, 철사를 제거하는 변형된 외과적 방법은 다른 방법에 비해 더욱 효과적으로 골괴사 실험모델을 완성하였다.

대퇴골두 무혈성 괴사의 한의학적 치료에 대한 국내·외 연구동향 분석 (Analysis of Domestic and Foreign Research Trends on the Korean Medical Treatment of Avascular Necrosis of the Femoral Head)

  • 박은상;황현호;박기현;배준효;구지은;황규현;강준혁
    • 한방재활의학과학회지
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    • 제33권1호
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    • pp.47-59
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    • 2023
  • Objectives This paper is an analysis of domestic and foreign trends for the Korean medical treatment of avascular necrosis of the femoral head. Methods Domestic and foreign databases were searched and analyzed for Korean medical treatment interventions, research types, and treatment effects for avascular necrosis of the femoral head. Results There were 10 case reports in Korea, 2 case reports and 3 randomized controlled studies abroad. A total of 12 treatment interventions were used, and the types include acupuncture, herbal medicine, phamacopunture, electroacupuncture, cupping, physical therapy, chuna, acupotomy, moxibustion, warm acupuncture, laser acupuncture, and motion style treatment. As for the evaluation index, visual analogue scale, range of motion and harris hip score were the most common with 7 cases each. Conclusions Through this study, it was possible to understand the trends of domestic and foreign research on the treatment of avascular necrosis of the femoral head with Korean medicine. However, due to the small number of literature and no randomized control studies in Korea, treatment evidence is insufficient. It is considered that further research is needed in the future.