• Journal of the Korean Arthroscopy Society
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• v.4 no.2
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• pp.117-122
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• 2000

Purpose : To compare the mid term with long term follow up results of the anterior cruciate ligament(ACL)> reconstruction using patellar tendon. Materials and Methods : Seventy-six cases, which could be followed up more than 2 years were included in this study. They were classified into two groups, mid-term group(41 cases) with mean follow-up periods of 2 years and 10 months and long-term group(35 cases) off years and 6 months. Clinical and radiological results and peripatellar complications were evaluated & compared. Results . There was no statistically significant difference in radiological finding and anterior instability between two groups. However, the incidence of anterior knee pain, paresthesia at incision site, kneeling pain, crepitus and quadriceps weakness was lower in long-term group than in mid-term group. Conclusion : ACL reconstruction using patellar tendon graft could successfully restone the stability of knee joint, but there are some complications in donor site and patellofemoral joint. However this complications were gradually decreased with long term follow-up.

• Journal of the Korean Orthopaedic Association
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• v.56 no.1
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• pp.34-41
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• 2021

Purpose: To evaluate the long-term clinical results and survivorship of unicompartmental knee arthroplasty (UKA) in elderly patients older than 70 years by analyzing cases that have been implanted for >10 years ago. Materials and Methods: The long-term follow-up results were evaluated in 39 patients (46 cases) who underwent medial UKA from March 2002 to February 2004. The mean age of the patients at the time of surgery was 74.0 years, and the preoperative diagnosis was degenerative arthritis of the knee in all cases. Results: Of the 46 cases, reoperation occurred due to the complications in four cases. In 22 cases without 14 cases of death and six cases of follow-up loss, follow-up more than 10 years was possible. The mean Knee Society knee and function scores improved significantly from 53.0 and 52.5 points pre-operatively to 89.4 and 80.9 points at the last follow-up, respectively (p<0.001). The mean range of motion of the knee recovered to 132.5°, and the mean tibiofemoral angle changed to 5.9° of valgus at the last follow-up. Complications following the UKA occurred in four cases; the most prevalent complication was mobile bearing dislocation (n=2). One case of failure occurred due to aseptic loosening and degenerative arthritis of the lateral compartment, respectively. The cumulative survival rate of the implants was 95.0% at 10 years and 85.7% at 15 years. Of the 40 cases, excluding six cases of follow-up loss, 36 cases (90.0%) could be used without reoperation until death or at the last follow-up after surgery. Conclusion: These results showed the outstanding functions of the knee and satisfactory long-term survivorship after UKA. Therefore, UKA could be a useful method for the treatment of osteoarthritis of the knee in elderly patients older than 70 years of age.

• The Journal of the Korean bone and joint tumor society
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• v.11 no.2
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• pp.148-154
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• 2005

Purpose: To evaluate the long term results of surgical treatment for sacral chordoma. Material and Method: We reviewed the records of 4 patients with sacral tumor treated surgical resection. Mean follow-up duration was 8.3 year(3~11). All cases were performed complete resection of tumor mass through posterior approach in 3 cases and anterior-posterior approach in one. The most caudad nerve-roots spared were the second sacral roots in one and the third sacral roots in 3 cases. Functions of voiding and defecation including neurological symptoms of lower extremities, other complications of surgical treatment, and local recurrence or distant metastasis of tumor were evaluated. Result: There was no motor deficit in all cases, but radiating pain was developed in one and wound infection in one. Bladder function was preserved in 2 cases, intermittent incontinence in one, and doing intermittent catheterization in one. Bowel function was preserved in one and 2 cases were suffered from constipation. At the last follow-up, disease-free was in one, local recurrence in one, and local recurrence with distant metastasis in one. Conclusion: The result of surgical resection for sacral chordoma is satisfactory showing average 8 years survival. Early detection and aggressive surgical treatment is the best to prolong survival and to minimize functional deficit with preservation of upper sacral nerves.

• Journal of Korean Orthopaedic Sports Medicine
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• v.5 no.1
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• pp.45-49
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• 2006

목적: 자가 골-슬개건-골과 슬괵건을 이용한 전방 십자 인대 재건술의 5년 중기 추시 결과를 비교 분석하고자 한다. 대상 및 방법: 전방 십자 인대 재건술을 시행한 후 5년 이상 추시 관찰이 가능한 65예를 대상으로 하였고, 골-슬개건-골이 38예, 슬괵건이 27예였다. 술 후 평가는 Lysholm 점수, 관절 운동 범위, 대퇴부 중간 부위 둘레 길이, Lachman 검사, 축 이동 검사, KT 2000 관절 계측기를 시행하였고, 술 후 합병증을 평가하였다. 결과: Lysholm 점수는 골-슬개건-골군과 슬괵건국에서 각각 평균 91점, 94.2점으로 슬괵건군이 우수하였고, 대퇴부 중간 부위 둘레 길이는 건측에 비해 각각 평균 1.7cm, 1.3cm의 차이를 보였다. 양 군간에 관절 운동 범위, Lachman 검사, 축 이동 검사 및 KT 2000 관절 계측 결과는 통계적으로 유의한 차이가 없었으나, 술 후 합병증은 과도한 보행이나 운동 후 슬관절 동통이 골-슬개건-골군에서 7예, 슬괵건 군에서 4예 관찰되었고, 전방 슬관절 동통이 골-슬개건-골군에서 4예 관찰되어, 골-슬개건-골군에서 더 많이 발생하였다. 결론: 5년 중기 추시에서 자가 슬괵건군이 우수한 슬관절 기능, 적은 합병증 등 임상적으로 우수하였으나 장기 추시가 요할 것으로 사료된다.

• Journal of Korean Orthopaedic Sports Medicine
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• v.7 no.1
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• pp.37-44
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• 2008

Purpose: To purpose of this study was to review the long-term follow up results of surgical treatment of the localized pigmented villonodular synovitis in the knee. Materials and Methods: We evaluated and analyzed 6 patients (6 cases) who underwent arthroscopy and excisional biopsy as pigmented villonodular synovitis from March 1988 to June 2002. The clinical diagnosis was confirmed by pathologic findings. All patients had been managed with arthroscopic excision, but two patients underwent mini-open excision. The recurrence was evaluated by the loss of preoperative symptom and physical examination for range of motion, pain and finding of swelling. Results: According to the arthroscopic findings, all patients had localized form of pigmented villonodular synovitis. Three patients had pedunculated type (one of them had torsion) and the two patients had nodular type and one patient had mixed type. All patients had improvement in pain, swelling and range of motion and there was no evidence of recurrence. Conclusion: In terms of long term follow up results, precise preoperative diagnosis and the adequate surgical treatment, especially arthroscopic excision for the localized pigmented villonodular synovitis, would be considered one of the fundamental modality to expect the good results.

• Journal of Korean Orthopaedic Sports Medicine
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• v.6 no.1
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• pp.5-12
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• 2007

견관절의 다방향 불안정성은 생역학 및 생화학적 이상의 복합적 요인에 의해 발생되는 것으로 알려져 있으나 이에 대한 보다 많은 연구가 이루어져야 될 것으로 생각된다. 최근 다방향 불안정성과 관련된 요소에 따라 분류가 세분화되어 치료가 이루어지고 있다. 따라서 진단시 세심한 병력과 진찰이 매우 중요하며 이에 따라 치료 방침을 결정해야 할 것이다. 많은 환자에서 삼각근, 회전근 개, 견갑 안정화 근육을 강화시킴으로써 증상이 호전되나 비수술적 치료에 호전이 없는 경우는 관절 낭 이동술을 이용하여 비교적 만족스러운 결과를 얻을 수 있다. 일반적으로 개방적 술식이 다방향 불안정성을 위한 수술적 치료의 표준적 술식으로 알려져 있으나. 최근에는 여러 관절경적 술식이 개발되고 있고 이에 따른 중 단기 추시 결과도 비교적 좋은 것으로 보고되고 있다. 그러나 이 술식에 대한 정확한 평가를 위해서는 많은 경험과 장기 추시 결과를 요한다.

• The Journal of the Korean bone and joint tumor society
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• v.12 no.2
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• pp.103-111
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• 2006

Purpose: Sternocostoclavicular hyperostosis (SCCH) is a disease of unknown etiology, which is characterized by periosteal reaction and endosteal hyperossification of the sternum, clavicles and upper ribs as well as ossification of the surrounding soft tissue. SCCH is a well recognized but uncommon condition which is important differential diagnosis to consider to avoid misdiagnosis and to differentiate the condition from malignant process. But few studies have reported long-term clinical result of SCCH. We report long-term clinical result of SCCH. Materials and Methods: From 1986 to 2000, 17 cases of SCCH were followed up over two to 14 years. We evaluated the radiologic, pathologic and clinical results. Results: Four men and thirteen women were studied. The age when first symptom appeared were raged from17 to 60(average-48.7) There are no specific bacteriological, serological or histological finding. Usually a permanent increase in the erythrocyte sedimentation rate is found. The radiological examination showed the signs of proliferate destructive arthritis in most case. The majority of patients respond to NSAIDs and antibiotics. Conclusion: Sternocostoclavicular hyperostosis is uncommon benign condition, but important condition in the differential diagnosis of inflammatory or malignant process of this joint.

• Journal of the Korean Arthroscopy Society
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• v.14 no.1
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• pp.20-24
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• 2010

Purpose: To evaluate the long term outcomes of the ACL reconstruction from the standpoint of osteoarthritis. Materials and Methods: We evaluated 31 patients who underwent ACL reconstruction from April 1986 to April 1999 and could be followed-up more than 7 years. Mean follow-up period was 10.1 years (7~22 years). In terms of the graft, 11 cases were treated with the ACL reconstruction using a autologous hamstring tendon graft, 20 cases were treated with using a autologous bone patellar tendon bone graft. For femoral tunnel, 11 cases were placed through transtibial tunnel, 20 cases were placed through anteromedial portal using mini-open arthrotomy. Functional and radiographic evaluation was performed. Results: Mean Lysholm score was $89.2{\pm}11.7$ points. Patients had KT-2000 side-to-side differences were $2.1{\pm}1.9\;mm$. IKDC ligament evaluation showed 38.7% type A, 48.3% type B, 6.5% type C and 6.5% type D. Femoral tunnel were placed at 11 or 1 o'clock position in transtibial technique and placed 10 to 10:30 or 2 to 2:30 o'clock position in technique using anteromedial portal. Radiographic analysis for degenerative arthritis revealed that in group using anteromedial tunnel, 50.0% were excellent, 25.0% were good. In group using transtibial tunnel 18.2% were excellent, 18.2% were good. Conclusion: More than 87.1% of cases, long term result of the ACL reconstruction showed good and excellent result in IKDC score. Especially, the group using tunnel through anteromedial portal showed good results for degenerative arthritis.

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2005.03a
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• pp.72-72
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• 2005

• Journal of the Korean Orthopaedic Association
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• v.55 no.2
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• pp.135-142
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• 2020

Purpose: This paper presents the long term follow-up results of arthroscopic partial repair for massive irreparable rotator cuff tears using a biceps long head auto graft. Materials and Methods: Forty-one patients with massive irreparable rotator cuff tear, who underwent arthroscopic repair, were reviewed retrospectively. Patients who underwent arthroscopic partial repair using a biceps long head auto graft were assigned to group 1, and patients in group 2 underwent arthroscopic partial repair alone. Patients with a less than 50% partial tear of the long head biceps tendon were included in this study. The clinical scores were measured using a visual analogue pain scale (VAS) for pain, range of motion (ROM), The University of California, Los Angeles shoulder score (UCLA), American Shoulder and Elbow Surgeons Shoulder Score (ASES), and Korean Shoulder Scoring System (KSS) scores preoperatively and at the final follow-up. The acromiohumeral interval (AHI) was measured using plain radiographs taken preoperatively and at the final follow-up, and re-tear was evaluated using postoperative ultrasound or magnetic resonance imaging at the last follow-up. Results: The mean age of the patients was 62.1±12.7 years, and the mean follow-up period was 90.3±16.8 months. No significant differences in the VAS and ROM (forward flexion, external rotation, internal rotation) were found between the two groups (p=0.179, p=0.129, p=0.098, p=0.155, respectively). The UCLA (p=0.041), ASES (p=0.023), and KSS (p=0.019) scores showed functional improvements in group 1 compared to group 2. At the last follow-up, the measured AHI values were 9.46±0.41 mm and 6.86±0.64 mm in group 1 and 2, respectively (p=0.032). Re-tear was observed in six out of 21 cases (28.6%) in group 1 and nine out of 20 cases (45.0%) in group 2; the retear rate was significantly lower in group 1 than in group 2 (p=0.011). Conclusion: Arthroscopic partial repair for a massive irreparable rotator cuff tear using a biceps long head auto graft has significant clinical usefulness in functional recovery and decreases the re-tear rates after surgery than arthroscopic partial repair alone, showing favorable results after a long-term follow-up.