Jae-Myeung Chun

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BACKGROUND We conducted this radiographic study in the elderly population with proximal humeral fracture aiming to evaluate 1) the serial changes of neck-shaft angle after locking plate fixation and 2) find relationship between change in neck shaft angle and various factors such as age, fracture pattern, severity of osteoporosis, medial support and initial(More)
OBJECTIVE This study aims to evaluate perioperative mortality and morbidity after total hip replacement in liver transplant recipients and suggesting safety guidelines. BACKGROUND Hip replacement surgery is one of the most common elective surgeries even for organ transplant recipients. However, there is a paucity of literature addressing the morbidity and(More)
This study examined the technique and outcome of arthroscopically assisted mini-deltopectoral rotator cuff repair. The mini-deltopectoral approach enables the repair of large or massive rotator cuff tears while preventing injury to the deltoid muscle and axillary nerve often caused by splitting and excessive traction during conventional mini-open repair.(More)
Bone strength and structure are closely associated with fracture and screw fixation, however osseous micro architecture on scaphoid has not been clearly addressed. We conducted histomorphometric study of the scaphoid using micro CT to find regional variations and differences in the scaphoid to provide better understanding of fracture mechanism and suggest(More)
BACKGROUND Rotator cuff surgery in wheelchair-bound patients is challenging, and clinical data on this condition are limited. We hypothesized that rotator cuff repair in these patients might improve functional outcomes. METHODS In a retrospective study, data on 13 paraplegic patients (8 men and 5 women; 16 shoulders) who underwent rotator cuff repair were(More)
BACKGROUND There is no definite radiographic landmark in plain radiographs for proximal humeral rotation, which is an important parameter for avoiding rotational malalignment during fracture fixation. Here, we used radiographic images of cadaveric humeri to determine whether the landmark of the crest of lesser tuberosity (CoLT) in plain radiographs could be(More)
BACKGROUND The purpose of this study was to evaluate whether rotator cuff repair improves subjective and functional outcomes in patients aged ≥75 years. METHODS From May 2005 to March 2013, 121 elderly patients who underwent rotator cuff repair for large and massive rotator cuff tears were evaluated retrospectively. Patients with an American Society of(More)
BACKGROUND Optimal surgical treatment of unstable distal clavicle fractures is controversial, and various fixation options are available. The objective of this study was to evaluate a new modified tension band fixation technique for unstable distal clavicle fractures. METHODS Forty-two patients with acute unstable distal clavicle fractures were managed(More)
BACKGROUND Ligamentous injury associated with isolated coronoid fracture had been sparingly reported. Concealed or unclear fractures and ligamentous or articular cartilage lesions are promptly acknowledged by magnetic resonance imaging (MRI) but cannot be entirely pictured in regular radiological assessments. In isolated coronoid fracture, the fragment size(More)