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Year of Publication
1.  Single row rotator cuff repair with modified technique 
World Journal of Orthopedics  2012;3(12):199-203.
Rotator cuff tear is a common medical condition. We introduce various suture methods that can be used for arthroscopic rotator cuff repair, review the single row rotator cuff repair method with modified technique, and introduce the Ulsan-University (UU) stich. We compare the UU stitch with the modified Mason-Allen (MA) suture method. The UU stitch configuration is a simple alternative to the modified MA suture configuration for rotator cuff repair.
PMCID: PMC3557321  PMID: 23362463
Shoulder; Rotator Cuff Repair; Mason-Allen Stitch; Ulsan-University Stitch
2.  Post-traumatic Lumbar Epidural Hematoma with Neurology: Report of 1 Case 
Asian Spine Journal  2011;5(2):130-132.
The purpose of this study was to report a case with post-traumatic spinal epidural hematomas with abnormal neurologic findings, which is uncommon. A 40-year-old man presented at our clinic after a blunt trauma caused by a traffic accident in which he was a pedestrian. After admission, abnormal neurologic symptoms developed including loss of sensation and motor function in his left lower extremity. Magnetic resonance imaging demonstrated a spinal epidural hematoma with 40% canal stenosis at the L5-S1 level. Decompression including hematoma evacuation was done. Symptoms started to be reduced 18 days after operation. He was treated conservatively with medications and all symptoms resolved completely during admission and there were no further neurologic sequelae. Post-traumatic lumbar spinal epidural hematoma with abnormal neurologic findings is an uncommon condition that may present belatedly after trauma with significant neurologic compromise.
PMCID: PMC3095803  PMID: 21629489
Lumbar spine; Epidural hematoma; Neurology
3.  Outcomes of minimally 1 year follow-up for the arthroscopic Remplissage technique with Hill–Sachs lesion 
Journal of Orthopaedics  2013;10(1):41-45.
We evaluated minimal 1 year follow-up results for the Remplissage technique to fill a Hill–Sachs lesion with anterior instability.
The subjects were 12 patients, who could be followed-up for more than 12 months after the ”Remplissage” procedures in our hospital from August 2008 to May 2010. Their mean age was 28.6 years old and the mean follow-up was 19 months. The evaluations included the ROM, the ASES score, the KSSI score, the ROWE score and postoperative MRI.
On the postoperative functional evaluation after an average 16 months, the ASES score improved 51.4 in preoperative to 86.6 in postoperatively, the KSSI score improved from 46.6 preoperatively to 84.9 postoperatively and the ROWE score improved from 43.6 preoperatively to 91.4 postoperatively. After an average 14 months for all the cases, the range of movement was nearly in the normal range which is 174.3 ± 5.04 (170–180) degrees in foreward flexion, and 56.4 ± 9.60 (50–60) degrees in external rotation.
For recurrent shoulder instability with a large Hill–Sachs lesion, the Remplissage technique has a good outcome after more than 1 year follow-up in terms of shoulder stability, and the clinical and functional results.
Level of evidence
Level IV, therapeutic case series
PMCID: PMC3768249  PMID: 24403747
Remplissage technique; Hill–Sachs lesion
4.  Cerebral oxygenation monitoring of patients during arthroscopic shoulder surgery in the sitting position 
Korean Journal of Anesthesiology  2012;63(4):297-301.
Cerebral hypotension and desaturation can occur during shoulder surgery in the seated position. We evaluated the correlation of cerebral oxygen saturation (rSO2) using near infra-red spectroscopy (NIRS) and mean arterial pressures (MAP) (at the levels of the brain and heart).
Fifty patients, scheduled for the arthroscopic shoulder surgery in the seated position, were enrolled to monitor the rSO2, bispectral Index (BIS), and MAPs at the levels of the brain and heart. The values of each parameter were collected at 5 min after intubation, immediately after placing the patient in the sitting position, 5 min after the patient was seated, immediately after the surgical incision, and every 30 min after incision.
A correlation between the cerebral rSO2 and the MAP at the level of brain were statistically significant. Cerebral rSO2 and MAP after a change of posture from supine to sitting position were significantly decreased, compared to the baseline value.
Monitoring cerebral rSO2 and MAP at the level of brain can be helpful to detect the possibility of cerebral deoxygenation earlier.
PMCID: PMC3483486  PMID: 23115680
Bispectral index; MAP; rSO2; Shoulder surgery; Sitting position
5.  Effect of Atorvastatin and Clopidogrel Co-Administration After Coronary Stenting in Korean Patients With Stable Angina 
Korean Circulation Journal  2011;41(1):28-33.
Background and Objectives
It was reported that atorvastatin co-administered with clopidogrel for 8 months did not affect the anti-platelet potency of clopidogrel in Korean patients with acute coronary syndrome, but not in patients with stable angina. We investigated whether co-administration of statins with clopidogrel affected the anti-platelet efficacy of clopidogrel in Korean patients with stable angina.
Subjects and Methods
This was a randomized, open-label and two-period crossover design study conducted at two centers. Two hundreds thirty three patients with stable angina scheduled for coronary stenting were randomized into two groups. In Group A, 119 patients first received atorvastatin (10 mg) followed by fluvastatin (80 mg) for 12 weeks per treatment. In Group B, 114 patients received the same treatments in reverse order.
Baseline adenosine diphosphate (ADP, 10 µmol/L)-induced platelet aggregation was 54.4±9.1% in Group A and 53.8±9.0% in Group B (p=0.44), and significant differences were noted after each treatment period (p<0.001). Inhibition of platelet aggregation was similar between Group A and Group B at 24 hours following clopidogrel loading (29.2±11.0% vs. 30.4±12.7%; p=0.42). The two treatment least square means of 12-week ADP (10 mol/L)-induced platelet aggregation [29.50±0.79 {standard error (SE)}% on the atorvastatin treatment group vs. 28.16±0.70 (SE)% in the fluvastatin treatment group] in a 2×2 cross-over study were not significantly different (p=0.204).
Statin and clopidogrel co-administration for 12 weeks is not associated with attenuated anti-platelet activity of clopidogrel in Korean patients with stable angina after coronary stenting, in support of the findings of similar studies conducted in Caucasian populations.
PMCID: PMC3040400  PMID: 21359066
Clopidogrel; Cardiovascular diseases; Cytochrome P450 3A4 protein, human; Atorvastatin; Stents

Results 1-5 (5)