• Journal of the Korean Arthroscopy Society
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• v.17 no.1
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• pp.61-65
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• 2013

Tophaceous gout, which is usually presented in the synovial fluid, bursal lining, cartilage or other soft tissues, may cause a nonoutlet impingement in the rotator cuff and bursa. In chronic tophaceous gout patient with the shoulder pain, a surgeon should consider the possibility of the tophaceous gout of the rotator cuff. We report a surgical experience of a 50-year-old man with tophaceous gout of the rotator cuff causing impingement syndrome. The patient was treated successfully with arthroscopic debridement and subacromial decompression.

• Journal of Korean Orthopaedic Sports Medicine
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• v.12 no.1
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• pp.29-36
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• 2013

Purpose: Proprioceptive function has been known to be important to shoulder stability. However, the function in rotator cuff tear patients is rarely investigated. The purpose of current study is to report the proprioceptive function in rotator cuff tear patients and to analyze the proprioceptive function regarding the tear size and the presence of subscapularis tear. Materials and Methods: Between 2011 and 2012, total 76 patients (male 28 and female 48) were recruited and average age was 61.7 years old (range, 38~76). Preoperatively, joint position senses in internal and external rotation were measured for proprioceptive function testing by method of active re-positioning technique. The absolute difference from set point was measured. Proprioceptive function was further analyzed according to tear size of rotator cuff, the presence of subscapularis tear, visual analogue scale of pain, shoulder functional score (American society of elbow and shoulder score), and ranges of motion in shoulder. Results: The absolute difference for external rotation was $4.9^{\circ}{\pm}2.9^{\circ}$, in normal joint and $4.9^{\circ}{\pm}3.0^{\circ}$for involved joint in rotator cuff tear patients. This difference was not significant statistically (p=0.87). The absolute difference for internal rotation was $4.0^{\circ}{\pm}2.7^{\circ}$in normal joint whereas $4.8^{\circ}{\pm}3.7^{\circ}$ for involved joint showing statistically significant difference (p=0.043). There was some trend that the proprioceptive function of internal rotation was more impaired in the bigger tear size group (more than medium tear) compared to the smaller tear size group (partial thickness and small tear, 5.0 vs. 4.0, p=0.061). The impairment of internal rotation proprioception was also accentuated in patients with subscapularis tear (4.8 vs. 4.0, p=0.065). The proprioceptive function of internal rotation was decreased when the pain visual analogue scale was increased (5.2 vs. 4.0 p=0.04), shoulder functional score was decreased (6.1 vs. 4.2, p=0.005), or range of motion in shoulder joint was restricted (5.3 vs. 3.7, p=0.041). Conclusion: The deficit of proprioceptive function was observed in rotator cuff tear patients. Proprioception for internal rotation was impaired in patients with the bigger tear size and subscapularis tear. Pain, shoulder function score, and range of motion were also shown to be related with the deficit in proprioceptive function.

• 대한정형외과스포츠의학회:학술대회논문집
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• 2004.12a
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• pp.31-33
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• 2004

소절개 봉합술은 관혈적 봉합술에 비해 동반된 상완관절와 관절(glenohumeral joint)내의 병변을 확인하고 이에 대한 처치를 시행할 수 있으며, 견봉하 감압술과 함께 동반된 견봉 쇄골 관절의 병변을 치료할 수 있다. 또한 삼각근 기시부에 대한 손상을 최소화하기 때문에 마른 재활과 조기 퇴원을 시행할 수 있는 둥의 장점이 있다. 관절경적 봉합술에 비해서는 수술 술기가 어렵지 않기 때문에 항상 좋은 결과를 기대할 수 있다. 회전근개 파열에 대한 수술을 시행할 때 관절경적 봉합술이 모든 경우에서 관혈적 또는 소절개 봉합술에 비해 좋은 결과를 나타내는 것은 아니다. 환자가 심한 골다공증이 있는 경우, 기술적 문제가 있는 경우, 봉합후 회전근개에 지나친 긴장이 염려될 때는 항상 소절개 봉합술로의 전환을 시도하여야 한다. 소절개 봉합술을 시행한 경우에도 관절경적 봉합술시와 비슷한 좋은 결과를 얻을 수 있고, 치료의 결과는 수술의 종류보다는 정확한 술기 및 술전 환자의 상태에 좌우된다고 하겠다.

• Clinics in Shoulder and Elbow
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• v.12 no.2
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• pp.126-136
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• 2009

Purpose: We evaluated the correlation of the anatomic parameters of the acromion those represent on the magnetic resonance image (MRI) of impingement syndrome. Materials and Methods: From June, 2004 to December, 2005, 71 cases were surgically proven to be impingement syndrome, and the anterior acromial hooking angle, the lateral acromial hooking angle (AAHA and LAHA) and the acromial hooking index (AHI: the sum of the AAHA and LAHA) were compared to 16 control cases. At the same period, 55 cases were surgically proven to be partial or full thickness rotator cuff tear, and age, gender and twelve anatomic parameters, including the acromial type, the acromial angle, the anterior covering, the acromial slope, the AAHA, the lateral acromial angle, the acromial torsional angle, the lateral acromial angulation, the LAHA, the lateral covering, the acromiohumeral distance and the AHI were assessed. Results: The AAHA and AHI were increased as impingement syndrome proceeded. The acromial type and acromial angle, and the AAHA, LAHA and AHI showed significant differences between the controls and the rotator cuff tear patients on univariant analysis. On multivariant analysis, gender was most strongly correlated with rotator cuff tear. Age, AAHA and the acromial angle showed similar correlation, respectively. Conclusion: The coronal acromial shape is correlated with rotator cuff tear, and it is important to correct the lateral acromial shape when performing acromioplasty.

• Clinics in Shoulder and Elbow
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• v.1 no.1
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• pp.1-5
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• 1998

Rotator cuff disease is the most common cause of shoulder pain. Recent understanding of structure and mechanics enables scientific approach to the treatment of the cuff teat. It is an integral component in the normal movement and function of the shoulder. This article addresses current knowledge of the structure and biomechanics of the rotator cuff, and reviews various kind of operative treatment.

• The Academic Congress of Korean Shoulder and Elbow Society
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• 2009.03a
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• pp.180-181
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• 2009

• Journal of the Korean Arthroscopy Society
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• v.9 no.1
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• pp.29-33
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• 2005

• The Journal of Korean Orthopaedic Ultrasound Society
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• v.6 no.2
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• pp.70-75
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• 2013

We experienced three cases with chronic shoulder pain due to a knot impingement after arthroscopic rotator cuff tear repair and treated with arthroscopic revision surgery. Ultrasonography is commonly used for an imaging scan and an useful diagnostic tool to follow up after rotator cuff repair recently. We also could diagnose three cases with the knot impingement using ultrasonography obviously. And we report these cases with a review of current literature.

• Journal of the Korean Orthopaedic Association
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• v.54 no.4
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• pp.366-371
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• 2019

Hemarthrosis occurring after arthroscopic surgery for lesions of the shoulder joint is a very rare complication that can develop due to an injury to the blood vessels when an anterior portal is formed. This is a complication that rarely develops in patients who are taking antithrombotic drugs or who do not have associated diseases, such as thrombocytopenia. We report a case of hemarthrosis that occurred after performing arthroscopic surgery to repair a rotator cuff tear in a patient with a stenosis in an arteriovenous fistula for hemodialysis in the ipsilateral upper arm.

• Journal of the Korean Arthroscopy Society
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• v.17 no.1
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• pp.1-5
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• 2013

Purpose: To evaluate the clinical results of arthroscopic repair with Ulsan University - Mason Allen - Suture Bridge (UU MA SB) stitch for the full thickness rotator cuff tear. Materials and Methods: Fifteen patients with full thickness rotator cuff tear underwent arthroscopic repair with UU MA SB stitch between September 2010 and December 2010. Clinical and functional evaluations were made according to Korean shoulder score (KSS), American shoulder and elbow surgeon (ASES), University of California, Los Angeles (UCLA), visual anabgue scale (VAS) and the range of motion. Results: The mean KSS improved from 51.4 preoperatively to 92.0 at final follow-up (p<0.05). The mean UCLA score improved from 15.07 preoperatively to 31.93 postoperatively, the mean VAS of pain during the motion was 7.2 before treatment and 0.93 at final follow-up (p<0.001). At last follow-up, the mean range of motion was improved but they had not shown statistical significance (p>0.05). Conclusion: The arthroscopic repair with UU MA SB stitch may be an effective procedure in the full thickness rotator cuff tear for pain relief and improvement of the range of motion.