Clinical application of titanium miniplate in cervical expansive open-door laminoplasty / 中国骨伤

<p><b>OBJECTIVE</b>To evaluate the clinical effects of titanium miniplate in cervical expansive open-door laminoplasty in treating cervical spondylosis.</p><p><b>METHODS</b>From February 2009 to April 2011, 16 patients underwent expansive open-door laminoplasty by titanium miniplate fixation were classified as group A; 18 patients with conventional unilaterally open-door laminoplasty from March 2007 to January 2009 were served as control (group B). The operative time, blood loss during the operations, JOA score of the 6 months after operation, the incidence of axial symptom, curvature of cervical vertebrae were compared respectively between the two groups.</p><p><b>RESULTS</b>Operative time, blood loss, improvement rate of JOA in group A were respectively (122.0 +/- 26.8) min, (153.0 +/- 46.7) ml, (59.4 +/- 11.6)%; and in group B were (119.0 +/- 28.6) min, (151.0 +/- 50.4) ml, (58.7 +/- 12.7)%. Those showed no significant difference between two groups (P > 0.05). Three cases (18.75%) occurred obviously axial symptom in group A and six cases (33.33%) occurred in group B, there was significant difference in the incidence of axial symptom between two groups (P < 0.01). Preoperative and postoperative curvature of cervical vertebrae in group A was (17.9 +/- 5.2) degrees and (18.2 +/- 4.8) degrees, without significant difference; in group B, postoperative curvature of cervical vertebrae decreased obviously than the preoperative [(16.3 +/- 5.9) degrees vs (18.1 +/- 6.3) degrees] (P < 0.05).</p><p><b>CONCLUSION</b>Both surgical protocols are effective on preventing reclose of opened laminae, moreover the modified laminoplasty is advanced on reducing the occurrence of axial symptoms and loss of cervical curvature.</p>

Analysis of curative effect of the intervertebral space lavaging for the treatment of incisions deep infections at early stage after posterior lumber internal fixation / 中国骨伤

<p><b>OBJECTIVE</b>To explore the reason,diagnose outline,therapeutic tool of the incisions deep infections at early stage after lumber internal fixation.</p><p><b>METHODS</b>From January 2001 to December 2011, 10 patients with incisions deep infections at the early stage after the posterior lumber internal fixation were treated with intervertebral space lavaging. There were 1 male and 9 females with an average age of 63 years, and an average infection started at the 6th day after operation. The main clinical features including backleg pain aggravating, fervescence, fresh seepage from the wound, and blood inflammatory index increased, etc. According to whether the wound could heal at the first treatment stage as a evaluation standard of curative effect.</p><p><b>RESULTS</b>Ten cases were followed up with an average period of 17 months. The wounds of 9 cases healed at the first stage and no recurrence and complications were found. One case underwent debridgement of many times with the therapic period of 7 months,at last,after taking out the vertebral pedicle bolt,the wound healed,and no recurrence after follow-up of 18 months.</p><p><b>CONCLUSION</b>The deep wound infections after the lumber internal fixation should receive intervertebral space lavaging as soon as possible. The method can finally remain internal fixations and obtain satisfactory effects, but avoiding too much tissue cutting and tube setting in the deep intervertebral space are the keys to the successful fixation.</p>

Treatment of senile osteoporotic vertebral compression fractures with percutaneous kyphoplasty / 中国骨伤

<p><b>OBJECTIVE</b>To evaluate the clinical outcome of percutaneous kyphoplasty in treating vertebral compression fractures.</p><p><b>METHODS</b>From October 2008 to May 2010,41 patients with osteoporotic vertebral compression fractures were treated with percutaneous kyphoplasty. There were 10 males and 31 females, ranging in age from 61 to 83 years, with an average of 67.5 years. Fracture site was from T9 to L4 including 65 vertebral bodies. Clinical symptom was lumbar and back pain to affect orthobiosis. The pain, height of vertebral body, Cobb angle, function of daily activities were analyzed by VAS sore, imaging data, Oswestry score before and after operation.</p><p><b>RESULTS</b>All operations were successful and no severe complications were found. Bone cement leakage occurred in 7 vertebrae, but no clinical sympton. All lumbago obtained obviously anesis after operation. All patients were followed up from 7 to 26 months with an average of 14 months. Preoperative, postoperative and at final follow-up, VAS score was 8.38 +/- 0.60, 2.45 +/- 0.38, 2.53 +/- 0.36, respectively; Oswestry score was 40.00 +/- 1.16, 17.00 +/- 2.11, 15.00 +/- 1.41, respectively; height of vertebral body was (14.64 +/- 1.30), (25.11 +/- 1.12), (23.16 +/- 1.14) mm, respectively; Cobb angle was (30.17 +/- 1.45) degrees, (12.10 +/- 1.37) degrees, (14.31 +/- 0.51) degrees, respectively. There was significant difference between postoperative and preoperative, and between at final follow-up and preoperative (P<0.05). There was no significant difference between final follow-up and postoperative (P>0.05).</p><p><b>CONCLUSION</b>Percutaneous kyphoplasty is effective for treatment of senile osteoporotic vertebral compression fractures, which can expeditiously relieve pain and effectively recover height of vertebral body and kyphosis Cobb angle, has advantages of minimal trauma and good security.</p>

Treatment of thoracolumbar burst fracture with lateral anterior decompression, internal fixation with Ventrofix and bone graft with titanic mesh / 中国骨伤

<p><b>OBJECTIVE</b>To discuss the efficacy of lateral anterior decompression, internal fixation with Ventrofix and bone graft with titanic mesh in the treatment of severe thoracolumbar burst fracture.</p><p><b>METHODS</b>From January 2008 to January 2010, 21 patients with severe thoracolumbar burst fracture were treated with lateral anterior decompression, internal fixation with Ventrofix, bone graft with titanic mesh. There were 15 males and 6 females, ranging in age from 21 to 46 years with an average of 32.2 years. Segment of fracture: 3 cases were in T11, 6 cases in T12, 7 cases in L1, 5 cases in L2. The mean kyphosis angle was 20.1 degrees and loading of fracture was 7.8 scores. Twenty-one cases accompany with incomplete paralysis. Nerves functions were observed according to Frankel grade; correction and maintain of kyphosis angle were observed by X-rays and CT.</p><p><b>RESULTS</b>All the patients were followed up from 12 to 34 months with an average of 18.5 years. Postoperative complication including injury of pleura in 1 case, dynamic ileus in 2 cases, ilioinguinal nerve injury in 1 case, faulty union of wound in 1 case. All the above complications got recovery after symptomatic treatment. The mean kyphosis angle in fusional segment were 4.2 degrees and the rate of correction was 79%. Nerves functions of all patients got improvement and no internal fixation fail, kyphosis angle obviously lost, titanium mesh shifting, loosening and breakage of screw were found at final follow-up.</p><p><b>CONCLUSION</b>Lateral anterior decompression, bone graft with titanic mesh, internal fixation with Ventrofix is an idea technique for severe thoracolumber burst fracture, but the method can not be used for patient with severity osteoporosis.</p>