From 1993 to 1996, we have used a new modular shoulder prosthesis for the treatment of acute complex fracture of the proximal humerus. The purpose of this study is to evaluate function, pain relief, and patient satisfaction after moduiar hemiarthroplasty for proximal humerus fractures. The stucly included 12 patients (J2 shoulders) with an average age of 68.5 years (range, 60 to 84 years). According to the Neer classification system, there were 3 four-part fracture-dislocations, 5 four-part fractures, 3 three-part fractures, and #I head splitting fracture. 'fhe hemiarthroplasty was pert'ormed at an average of 4 days (range, 3 to 10 days) following injury. Deltopectoral approach was used in all patients, and the prostheses were implanted with cement in ten cases. Follow-up evaluation, at an average of 32 months post-surgery, included clinical and radio- graphic examination. Active forward elevation averaged 120 degrees; external rotation, 35 degrees; and internal rotation, to the first lumbar vertebra. All of patients, except two who had poor results, were graded as good or excellent according to UCLA shoulder rating scale. Complications consisted of one tuberosity dispiacement, one peri-operative death and one loosening of uncemented humeral prosthesis. We concluded that Modular hemiarthroplasty for acute complex fracture of the proximal humerus especially in severely osteoporotic elderly patients facilitated the restoration of humeral length, anatomic repositioning of tuberosities, and precise soft tissue balance, thereby allowing earliermotion to prevent the developement of painful shoulder stiffness.
Aged ; Classification ; Follow-Up Studies ; Head ; Hemiarthroplasty* ; Humans ; Humerus* ; Patient Satisfaction ; Prostheses and Implants ; Shoulder ; Spine

No abstract available.
Lipomatosis*

No abstract available.
Heart Valves* ; Heart* ; Return to Work*

The T cell antigen receptor (TcR) in combination with costimulatory signals triggered by accessory molecules present on the surface of the antigen-presenting cells (APC) regulates the activation and growth of T lymphocytes. Calyculin A and Okadaic acid is known to be an inhibitor of serine/threonine phosphatase and RK-682 specifically blocks functions of tyrosine phosphatase. To investigate roles of these inhibitors in TcR-mediated signaling cascade, chimeric molecule CD8-5 which contains the extracellular and transmembrane domains of the human CD8a molecule and the cytoplasmic tail of TcR 5 chain were stably expressed in Jurkat cell line. CD8-5 chimeric protein induced tyrosine phosphorylation of various cytoplasmic substrates and IL-2 gene expression in a NFAT dependent manner by stimulation with anti-CD8 mAb OKT8 as seen in TcR stimulation. When CD8-5 transfectants were preincubated with Okadaic acid, Calyculin or RK682, they differentially affected tyrosine phosphorylation of signaling mediators including CD8-5 molecule. When Jurkat Tag cell line was used where SV40 T antigen is stably expressed and the expression of p-galactosidase is driven by the multiple NFAT binding sites plus minimal IL-2 promoter, these phosphatase inhibitors -RK682, Calyculin A, Okadaic acid- effectively inhibited IL-2 gene expression at the concentration of 1.2832 x 10 ' M, 3.9924 x 10 M, 7.2707 x 10 M respectively. These results suggested that Okadaic acid, Calyculin or RK682 modulate TcR-proximal as well as TcR-distal signaling events during T cell activation.
Antigen-Presenting Cells ; Antigens, Viral, Tumor ; Binding Sites ; Cell Line ; Cytoplasm ; Gene Expression ; Humans ; Interleukin-2 ; Jurkat Cells ; Okadaic Acid* ; Phosphorylation ; Receptors, Antigen, T-Cell ; T-Lymphocytes ; Tyrosine

STUDY DESIGN: A retrospective study was performed in patients with one level cervical disc herniation who had undergone anterior discectomy and fusion with or without plate fixation. OBJECTIVES: This study was performed in order to analysis the result of anterior discectomy and fusion, and to assess the benefits of the supplemental anterior cervical plate in the treatment of one level cervical disc herniation. MATERIALS AND METHODS: 35 surgically treated patients for one level disc herniation were reviewed. The Smith Robinson with autologous iliac crest bone graft was performed in both groups. Group A consisted of 14 patients who had supplemental anterior cervical fixation performed. Group B consisted of 21 patients treated without plate fixation. Radiologic parameters included the bone union and changes of intervertebral space. Clinical results were classified using the criteria of Robinson. RESULTS: In radiologic analysis, decreases in intervertebral space were common in group B, especially in older than 61 years old age group, and the bone union time was same in both groups. The overall clinical success rate was 86% in group A and 90% in group B. This difference between group A and group B is not significant. CONCLUSIONS: When selectively used in osteoporotic patient, supplemental anterior cervical plate fixation allows an early return to activities of daily living for patients and prevent deformities in graft bone. However, further studies are needed to confirm this result. Although many advantages of anterior plate stabilization have been previously reported, the plate osteosynthesis after one level fusion for radiculopathy was not thought to be a major advantage.
Activities of Daily Living ; Congenital Abnormalities ; Diskectomy* ; Humans ; Middle Aged ; Radiculopathy ; Retrospective Studies ; Transplants

PURPOSE: To estimate the prognosis of surgical treatment through the comparative analysis of patients who had reoperation for failed lumbar disc surgery space (FLDS). MATERIALS AND METHODS: 31 patients who had a surgical operation for sciatica due to recurrent disc herniation or fibrous tissue adhesion were analyzed. Clinical features and surgical results of both groups were evaluated. RESULTS: In clinical analysis, a positive SLR test of less than 40, pain upon coughing, and a reduced walking capacity were common in recurrent herniation. Satisfactory postoperative results were achieved in 12 cases (80%) of the recurrent disc herniation group, 2 cases (50%) of the diffuse type and in 8 cases (67%) of the focal type of fibrous tissue adhesion group. CONCLUSION: In term of clinical signs, the SLR test is one of the most important factors in differentiating the preoperative cause of FLDS. Although them was no difference in the statistics, the surgical outcome in patients with focal root compression is more satisfactory than in the diffuse type in the fibrous tissue adhesion group.
Cough ; Humans ; Prognosis ; Reoperation ; Sciatica ; Tissue Adhesions ; Walking

No abstract available.
Neurofibromatoses*

We encountered a case of neonatal altoimmune thrombocytopenia(NAIT) due to anti-HLA-B7+B60+B61. Bilateral cephal hematoma and umbilical hematoma were noted at the time of birth. Purpura developed at the third day. Platelet count was 110,000 at birth and decreased to 66,000/micro liter at the day 4. Prothrombin time and partial prothrombin time were within normal limit. The mother's platelet count was 220,000/micro liter and she had no history of abnormal bleeding. Platelet antibody tests empolying mixed passive hemagglutination and immunofluorescence revealed that the mother's serum was reactive against the platelets from the father and the neonate, but was not reactive with her own platelets. Platelets from eight volunteer group 0 donors were tested with the mother's serum; seven were reactive and one was negative. The positive reactions were lost after chloroquine treatment of platelets. Antigen capture ELISA(ACE) and modified antigen capture ELISA employing monoclonal antibodies against platelet glycoproteins In, IIa, IIb, and IIIa were negative. Mother's serum was tested for lymphocytotoxicity against 49 donor ]ymphocytes and the specificity was found to be anti-HLA-B7+B60+B61. At the 9th day, one unit of platelet concentrate from the mother was transfused and the platelet count of the neonate rose up to 340,000/micro liter. The neonate was discharged at the day of sixteenth and the platelet count remained high thereafter.
Antibodies, Monoclonal ; Blood Platelets ; Chloroquine ; Enzyme-Linked Immunosorbent Assay ; Fathers ; Fluorescent Antibody Technique ; Hemagglutination ; Hematoma ; Hemorrhage ; Humans ; Infant, Newborn ; Mothers ; Parturition ; Platelet Count ; Platelet Membrane Glycoproteins ; Prothrombin Time ; Purpura ; Sensitivity and Specificity ; Thrombocytopenia* ; Tissue Donors ; Volunteers

STUDY DESIGN: A retrospective study. OBJECTIVES: To analyze the clinical and radiological results of different surgical methods in osteoporotic vertebral fracture patients, with neurologic deficits in the thoracolumbar junction. SUMMARY OF LITERATURE REVIEW: Various surgical methods have been reported for osteoporotic vertebral fractures, with neurologic deficits, in the thoracolumbar junction. These are: anterior decompression, anterior decompression and anterior or posterior reconstruction, and Egg shell procedure. However, it is controversial as to which method is better. MATERIALS AND METHODS: 13 patients that had undergone surgical treatment for osteoporotic vertebral fractures, with neurologic deficits, With a mean age of 68+/-8.4, ranging from 51 to 79 years. Six of the cases were male and seven were female. The mean follow up period was 18 months. The patients were divided into two groups. Group A (n=8): Anterior decompression, anterior interbody fusion, with cage or autologous strut iliac bone block, and instrumentation (anterior or posterior). Group B (n=5): Posterior decompression and posterior reconstruction (egg shell procedure). The kyphotic angles, neurologic improvements and complications in each group were analyzed preoperatively, postoperatively and at final follow up. RESULTS: In group A, the mean kyphotic angles were 29+/-5.9 degrees, 18+/-6.7 degrees and 23+/-7.7 degrees preoperatively, postoperatively and at the final follow up, respectively. In group B, the mean kyphotic angles were 31+/-1.1 degrees, 12+/-6.3 degrees and 18+/-5.5 degrees preoperatively, postoperatively and at the final follow up, respectively. In group A, 3 and 5 patients were graded as Frankel grades C and D, respectively. In group B, 1, 1 and 3 patients were graded as Frankel grades B, C and D, respectively. The neurological status improved in all the patients, by mean 1.1 grades in group A and 1.2 grades in group B. In group A, postoperative transient dyspnea and screw loosening occurred in one and two patients, respectively. In group B, postoperative paralytic ileus and screw loosening occurred in one two patients, respectively. CONCLUSIONS: Posterior decompression and posterior reconstruction (egg shell procedure) was an effective surgical method, equivalent to an anterior or anterior and posterior procedure, for osteoporotic vertebral fracture patients, with neurologic deficits.
Animals ; Decompression ; Dyspnea ; Egg Shell ; Female ; Follow-Up Studies ; Humans ; Intestinal Pseudo-Obstruction ; Male ; Neurologic Manifestations* ; Retrospective Studies

STUDY DESIGN: A retrospective study. OBJECTIVES: To analyze the clinical and radiological results of different surgical methods in osteoporotic vertebral fracture patients, with neurologic deficits in the thoracolumbar junction. SUMMARY OF LITERATURE REVIEW: Various surgical methods have been reported for osteoporotic vertebral fractures, with neurologic deficits, in the thoracolumbar junction. These are: anterior decompression, anterior decompression and anterior or posterior reconstruction, and Egg shell procedure. However, it is controversial as to which method is better. MATERIALS AND METHODS: 13 patients that had undergone surgical treatment for osteoporotic vertebral fractures, with neurologic deficits, With a mean age of 68+/-8.4, ranging from 51 to 79 years. Six of the cases were male and seven were female. The mean follow up period was 18 months. The patients were divided into two groups. Group A (n=8): Anterior decompression, anterior interbody fusion, with cage or autologous strut iliac bone block, and instrumentation (anterior or posterior). Group B (n=5): Posterior decompression and posterior reconstruction (egg shell procedure). The kyphotic angles, neurologic improvements and complications in each group were analyzed preoperatively, postoperatively and at final follow up. RESULTS: In group A, the mean kyphotic angles were 29+/-5.9 degrees, 18+/-6.7 degrees and 23+/-7.7 degrees preoperatively, postoperatively and at the final follow up, respectively. In group B, the mean kyphotic angles were 31+/-1.1 degrees, 12+/-6.3 degrees and 18+/-5.5 degrees preoperatively, postoperatively and at the final follow up, respectively. In group A, 3 and 5 patients were graded as Frankel grades C and D, respectively. In group B, 1, 1 and 3 patients were graded as Frankel grades B, C and D, respectively. The neurological status improved in all the patients, by mean 1.1 grades in group A and 1.2 grades in group B. In group A, postoperative transient dyspnea and screw loosening occurred in one and two patients, respectively. In group B, postoperative paralytic ileus and screw loosening occurred in one two patients, respectively. CONCLUSIONS: Posterior decompression and posterior reconstruction (egg shell procedure) was an effective surgical method, equivalent to an anterior or anterior and posterior procedure, for osteoporotic vertebral fracture patients, with neurologic deficits.
Animals ; Decompression ; Dyspnea ; Egg Shell ; Female ; Follow-Up Studies ; Humans ; Intestinal Pseudo-Obstruction ; Male ; Neurologic Manifestations* ; Retrospective Studies