• The Journal of Churna Manual Medicine for Spine and Nerves
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• v.4 no.1
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• pp.85-94
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• 2009

Objects : This study was to report a clinical effect of Korean Treatment for a patient diagnosed by Computed Tomography as Cervical Spinal Stenosis with Ossification of posterior Longitudinal Ligament. Methods : In order to alleviate left shoulder pain and neck stiffness, the patient was treated by acupuncture therapy, herbal medicine, distilled herbal injection, cervical traction technique of Chuna treatment and conservative managements. To evaluate the effect of the treatment, Recovery rate of Hirabayashi, VAS(Visual Anlaogue Scale), NDI and ROM(Range of Motion) were used. Lhermitte's sign, Valsalva test, Distraction test, Compression test and Spurling test were carried out. Results : VAS, NDI and ROM were improved and Recovery rate was 100%. Conclusions : Korean Treatment can be effectively used for a patient with Cervical Spinal Stenosis with OPLL. Further clinical studies are needed to verify the findings.

• Journal of Korean Neurosurgical Society
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• v.29 no.3
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• pp.360-364
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• 2000

Objective : To investigate the prognostic factors associated with outcome in patients with ossification of posterior longitudinal ligament. Method : During the past 4 years, we have operated on 35 patients with cervical OPLL. Anterior cervical decompression(total or subtotal corpectomy, discectomy, and removal of the OPLL) and interbody fusion with iliac bone were performed in all patients. Results : Eight cases(22.9%) were continuous type, 11(31.4%) segmental, 13(37.1%) Mixed, and 3(8.6%) localized type. Thirty-two patients(91.4%) showed an excellent or good results. Conclusion : These results indicate that surgical treatment should be considerated in case of clinical grading higher than II and the surgical outcome is worse when duration of preoperative symptom is longer and when percentage of spinal narrowing is higher. Anterior cervical decompression and interbody fusion seems to be a better method in patients with lesions limited to one or two level. Age at surgery did not significantly affect the outcom.

• Journal of Acupuncture Research
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• v.40 no.3
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• pp.265-271
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• 2023

Ossification of the posterior longitudinal ligament (OPLL) is a disease that narrows the spinal canal, causing neurological symptoms. To date, there have been several reports on traditional Korean medicine treatments for OPLL; however, there is no study on complex acupuncture treatment. Herein, we report 2 cases of cervical OPLL involving cervical pain, upper limb radiating pain, and hypoesthesia. The patients were diagnosed using C-spine computed tomography and did not receive any treatment at any other hospital. The patients were treated with acupuncture treatments, including electroacupuncture, pharmacopuncture, and acupotomy, at Daegu Korean Medicine Hospital at Daegu Haany University. The results were assessed using the visual analog scale, neck disability index, and Japanese Orthopedic Association scores, and the results indicated an improvement in the symptoms. Thus, this study demonstrated that complex acupuncture treatment may be helpful for treating cervical OPLL and improving the quality of life.

• Journal of Korean Neurosurgical Society
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• v.61 no.2
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• pp.224-232
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• 2018

Objective : Cervical ossification of the posterior longitudinal ligament (OPLL) can be treated via anterior or posterior approach, or both. The optimal approach depends on the characteristics of OPLL and cervical curvature. Although most patients can be successfully treated by a single surgery with the proper approach, renewed or newly developed neurological deterioration often requires repeat surgery. Methods : Twenty-seven patients with renewed or newly developed neurological deterioration requiring salvage surgery for multi-segment cervical OPLL were enrolled. Ten patients (group AP) underwent anterior approach, and 17 patients (group PA) underwent posterior approach at the initial surgery. Clinical and radiological data from initial and repeat surgeries were obtained and analyzed retrospectively. Results : The intervals between the initial and repeat surgeries were $102.80{\pm}60.08months$ (group AP) and $61.00{\pm}8.16months$ (group PA) (p<0.05). In group AP, the main OPLL lesions were removed during the initial surgery. There was a tendency that the site of main OPLL lesions causing renewed or newly developed neurological deterioration were different from that of the initial surgery (8/10, p<0.05). Repeat surgery was performed for progressed OPLL lesions at another segment as the main pathology. In group PA, the main OPLL lesions at the initial surgery continued as the main pathology for repeat surgery. Progression of kyphosis in the cervical curvature (Cobb's angle on C2-7 and segmental angle on the main OPLL lesion) was noted between the initial and repeat surgeries. Group PA showed more kyphotic cervical curvature compared to group AP at the time of repeat surgery (p<0.05). Conclusion : The reasons for repeat surgery depend on the type of initial surgery. The main factors leading to repeat surgery are progression of remnant OPLL at a different segment in group AP and kyphotic change of the cervical curvature in group PA.

• Journal of Korean Neurosurgical Society
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• v.58 no.6
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• pp.571-577
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• 2015

Direct removal of beak-type ossification of posterior longitudinal ligament at thoracic spine (T-OPLL) is a challenging surgical technique due to the potential risk of neural injury. Slipping off the cutting surface of a high-speed drill may result in entrapment in neural structures, leading to serious complications. Removal of T-OPLL with an ultrasonic osteotome, utilizing back and forth micro-motion of a blade rather than rotatory-motion of drill, may reduce such complications. We have applied the ultrasonic osteotome for posterior circumferential decompression of T-OPLL for three consecutive patients with beak-type OPLL and have described the surgical techniques and patient outcomes. The preoperative chief complaint was gait disturbance in all patients. Japanese orthopedic association scores (JOA) was used for functional assessment. Scores measured 2/11, 5/11, 2/11, and 4/11 for each patient. The ventral T-OPLL mass was exposed after posterior midline approach, laminotomy and transeversectomy. The T-OPLL mass was directly removed with an ultrasonic osteotome and instrumented segmental fixation was performed. The surgeries were uneventful. Detailed surgical techniques were presented. Gait disturbance was improved in all patients. Dural tear occurred in one patient without squeal. Postoperative JOA was 6/11, 10/11, 8/11, and 8/11 (recovery rate; 44%, 83%, 67%, and 43%) respectively at 18, 18, 10, and 1 months postoperative. T-OPLL was completely removed in all patients as confirmed with computed tomography scan. We hope that surgical difficulties in direct removal of T-OPLL might be reduced by utilizing ultrasonic osteotome.

• Journal of Korean Neurosurgical Society
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• v.58 no.5
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• pp.442-447
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• 2015

Objective : Ossification of the ligamentum nuchae (OLN) is usually asymptomatic and incidentally observed in cervical lateral radiographs. Previous literatures reported the correlation between OLN and cervical spondylosis. The purpose of this study was to elucidate the clinical significance of OLN with relation to cervical ossification of posterior longitudinal ligament (OPLL). Methods : We retrospectively compared the prevalence of OPLL in 105 patients with OLN and without OLN and compared the prevalence of OLN in 105 patients with OPLL and without OPLL. We also analyzed the relationship between the morphology of OLN and involved OPLL level. The OPLL level was classified as short (1-3) or long (4-6), and the morphologic subtype of OLN was categorized as round, rod, or segmented. Results : The prevalence of OPLL was significantly higher in the patients with OLN (64.7%) than without OLN (16.1%) (p=0.0001). And the prevalence of OLN was also higher in the patients with OPLL (54.2%) than without OPLL (29.5%) (p=0.0002). In patients with round type OLN, 5 of 26 (19.2%) showed long level OPLL, while in patients with larger type (rod and segmented) OLN, 22 of 42 (52.3%) showed long level OPLL (p=0.01). Conclusion : There was significant relationship between OLN and OPLL prevalence. This correlation indicates that there might be common systemic causes as well as mechanical causes in the formation of OPLL and OLN. The incidentally detected OLN in cervical lateral radiograph, especially larger type, might be helpful to predict the possibility of cervical OPLL.

• Journal of Korean Neurosurgical Society
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• v.56 no.2
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• pp.121-129
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• 2014

Objectives : Patients with cervical ossification of posterior longitudinal ligament (OPLL) are susceptible to cord injury, which often develops into myelopathic symptoms. However, little is known regarding the prognostic factors that are involved in minor trauma. We evaluated the relationship between minor trauma and neurological outcome of OPLL and investigated the prognostic factors with a focus on compressive factors and intramedullary signal intensity (SI). Methods : A total of 74 patients with cervical myelopathy caused by OPLL at more than three-levels were treated with posterior decompression surgeries. We surveyed the space available for spinal cord (SAC), the severity of SI change on T2-weighted image, and diabetes mellitus (DM). The neurological outcome using Japanese Orthopedic Association (JOA) scale was assessed at admission and at 12-month follow-up. Results : Among the variables tested, preoperative JOA score, severity of intramedullary SI, SAC, and DM were significantly related to neurological outcome. The mean preoperative JOA were $11.3{\pm}1.9$ for the 41 patients who did not have histories of trauma and $8.0{\pm}3.1$ for the 33 patients who had suffered minor traumas (p<0.05). However, there were no significant differences in the recovery ratios between those two groups. Conclusions : Initial neurological status and high intramedullary SI in the preoperative phase were related to poorer postoperative outcomes. Moreover, the patients with no histories of DM and larger SACs exhibited better improvement than did the patients with DM and smaller SACs. Although the initial JOA scores were worse for the minor trauma patients than did those who had no trauma prior to surgery, minor trauma exerted no direct effects on the surgical outcomes.

• Journal of Korean Neurosurgical Society
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• v.47 no.1
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• pp.55-57
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• 2010

Ossification of the posterior longitudinal ligament (OPLL) in the thoracic spine is rare, even in the Far East. A 45-year-old female presented with a 4month history of progressive motor weakness in the lower extremities, numbness below the midthoracic area, and spastic gait disturbance. Neuroradiological examinations revealed massive OPLLs at the T4-T6 levels with severe anterior compression of the spinal cord. Anterior decompressive corpectomies with bone grafts were performed from T4 to T6 using a trans-thoracic approach. After surgery, the patient made an uneventful recovery. However, eleven years after surgery, the patient developed recurrent lower extremity weakness and spastic gait disturbance. De novo OPLLs at the C6-T2 levels were responsible for the severe spinal cord compression on this occasion. After second surgery, paralysis in both legs was resolved. We present a rare case of late cervicothoracic OPLL in a patient surgically treated for thoracic OPLL.

• Journal of Korean Neurosurgical Society
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• v.54 no.2
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• pp.145-147
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• 2013

We present a case of acute hydrocephalus secondary to cervical spinal cord injury in a patient with diffuse ossification of the posterior longitudinal ligament (OPLL). A 75-year-old male patient visited the emergency department with tetraparesis and spinal shock. Imaging studies showed cervical spinal cord injury with hemorrhage and diffuse OPLL from C1 to C4. We performed decompressive laminectomy and occipitocervical fusion. Two days after surgery, his mental status had deteriorated to drowsiness with dilatation of the right pupil. Findings on brain computed tomography revealed acute hydrocephalus and subarachnoid hemorrhage in the cerebellomedullary cistern, therefore, extraventricular drainage was performed immediately. Acute hydrocephalus as a complication of cervical spine trauma is rare, however, it should be considered if the patient shows deterioration of neurologic symptoms.

• The Journal of Korea CHUNA Manual Medicine
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• v.3 no.1
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• pp.153-166
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• 2002

Objective : There is no case report on the ossification of the posterior longitudinal ligament(OPLL) treated by CHUNA manual therapy in oriental medicine. We experienced a patient(32-year-old female) with OPLL improved by CHUNA manual therapy in X-ray image and visual analogue scale(VAS), and we report it clinically. Methods : During the patient with OPLL was treated CHUNA manual therapy, acupuncture, and physical therapy, we examined cervical X-ray, CT and Moire topography and evaluated the patient's symptoms by VAS. And we observed whether the changes exist or not in X-ray and VAS. Results : VAS in symptoms was improved significantly(p<0.05), and the radiologic X-ray image in OPLL patient was improved. Conclusion : OPLL was generally treated conservative treatment and operation in severe case. But CHUNA manual therapy may be more effective in conservative treatment of OPLL, if more clinical studies and reaches are accomplished.