Experimentation of the relationship between medial or lateral patellar stabilizer and patellofemoral stabilization / 中国骨伤

<p><b>OBJECTIVE</b>To study the contribution of medial or lateral stabilizer to the stability of the patella, to explore the function and effect of releasing the LPR clinically and to provide a biomechanical basis for the clinical treatment of patellar instability(PI).</p><p><b>METHODS</b>The quadriceps femoris of 6 fresh human cadaver knees were loaded to simulate a normal condition of muscle strength. First the loading force was measured and recorded, which subluxated the patella with the different degrees of knee flexion. Intervention 1:released the medial patellar retinaculum(MPR) to simulate pathologic conditions, then repeated the above manipulates and recorded the loading force. Intervention 2:released the LPR furthermore to simulate clinical surgical treatment, then repeated the above manipulates and recorded the loading force.</p><p><b>RESULTS</b>After releasing the MPR, the loading force which subluxated the patella were decreased obviously, and there were significant differences between the two groups(<0.05). The above loading force was further decreased after the further release of LPR, but the difference was not significant(>0.05).</p><p><b>CONCLUSIONS</b>MPR plays an important role in maintaining the stability of the patella and in the normal trajectory of the patellofemoral joint. The attention should be paid to the repair or reconstruction of the MPR in the treatment for patella recurrent lateral dislocation subluxation. Releasing the LPR is not a best choice.</p>

Effects of sacral canal injection on nerve root local inflammatory factors in rat model with lumbar disc herniation / 中国骨伤

<p><b>OBJECTIVE</b>To explore the effects of sacral canal injection on nerve root local inflammatory factors in rat model with lumbar disc herniation, in order to identify its mechanism of treatment.</p><p><b>METHODS</b>Forty-eight male SD rats were randomly divided into sham operation group(group A), model group (group B), Chinese medicine group(group C) and western medicine group(group D). There were 12 rats in each group. The model of lumbar disc herniation was established using compression and inflammatory stimulation in group B, C, D. All rats were given epidural catheterization and group A and B with physiological saline (1 ml/kg), group C with mixed liquor of 2% lidocaine and compound Danshen injections and physiological saline (2:2: 16) and group D with mixed liquor of 2% lidocaine and triamcinolone acetonide injection and physiological saline (2:2:16), once a week for a total of three treatments. Four rats were killed every 1 week after injection for once, and the inflammatory factors of tumor necrosis factor (TNF-alpha), prostaglandin E2 (PGE2), interleukin-l (IL-1) and interleukin-6 (IL-6) were detected by ELISA method.</p><p><b>RESULTS</b>The levels of TNF-alpha, PGE2, IL-1 and IL-6 in compressed nerve tissues in group B were increased than those of group A (P < 0.01). The levels of PGE2, IL-1 and IL-6 in group C and D were decreased than those of group B, and group D was much less(P<0.05). There was no significant difference in level of TNF-alpha among group B, C, D (P > 0.05).</p><p><b>CONCLUSION</b>Compound compression with inflammatory stimulation can lead to massive release of inflammatory mediators, such as TNF-alpha, PGE2, IL-1 and IL-6. Both injection with compound Danshen injections and triamcinolone acetonide injections by sacral canal can reduce the levels of part inflammatory mediators (PGE2, IL-1 and IL-6), and the effect of Glucocorticoid is better than Danshen (P < 0.05).</p>

Observation on therapeutic effect of the third lumbar transverse process syndrome treated with acupotomy and blood pricking therapy / 中国针灸

<p><b>OBJECTIVE</b>To explore the better treatment for the third lumbar transverse process syndrome.</p><p><b>METHODS</b>Ninety cases were randomly divided into an acupotomy group, a blood pricking group and a combined therapy group, thirty cases in each group. In acupotomy group, three points such as the third lumbar transverse process point were released with acupotomy, and then Tuina was applied. In blood pricking group, blood pricking therapy was applied at Qihaishu (BL 24) or Weizhong (BL 40). In combined therapy group, both of releasing with acupotomy and blood pricking were applied. The therapeutic effects of three groups were evaluated by of simplified Chinese version of the Oswestry Disability Index (SCODI) and Visual Analogue Scale (VAS) before, immediately after treatment and 1 week after treatment.</p><p><b>RESULTS</b>After treatment, compared with scores sofore treatment, VAS scores were all reduced (both P < 0.05), and it in combined therapy group was lower than those in other groups (both P < 0.05); SCODI scores showed no significant differences in groups (both P > 0.05) except in combined therapy group (P<0. 05). One week after treatment, compared with scores immediately after treatment, SCODI scores and VAS scores were reduced in each group (all P < 0.05), and the scores in combined therapy group were lower than those in other two groups (both P < 0.05).</p><p><b>CONCLUSION</b>Releasing with acupotomy and blood pricking are the effective therapies for the third lumbar transverse process syndrome, can remarkably relieve the pain and improve movement function of lumbus, and the therapeutic effect is more obvious.</p>

Clinical observation on the modified external fixation with splints for double fractures of forearm in children / 中国骨伤

<p><b>OBJECTIVE</b>To explore the advantages of conservative treatment for trauma of children,and evaluate effect of external fixation for the treatment of double fractures of forearm.</p><p><b>METHODS</b>From June 2007 to June 2008, 52 patients with double fractures of forearm were treated with manipulative reduction and modified external fixation by splints. Among them, 33 males and 19 females,the age was from 4 to 15 years with an average of 8.6 years. The course of disease was from 1 hour to 7 days. All patients had a definite history of trauma, and pre-treatment X-ray film showed double fracture of ulna and radius.</p><p><b>RESULTS</b>All patients were followed up from 6 to 14 months with an average of 9.4 months. All fractures healed and the healing time was from 4 to 8 weeks with an average of 6 weeks. The clinical effect was evaluated according to Berton criteria, 37 cases obtained excellent result, 15 good.</p><p><b>CONCLUSION</b>Strict choose indication of conservative treatment can obtain satisfied effect in treating double fractures of forearm in children. The method has advantages of safe operation, less injury, cheap expense, which can well obtain functional rehabilitation of patients.</p>