Nine cases of sciatic nerve from injection hadbeen treated by fasciotomy. The skin temperatureof the diseased limb immediately raised 1-2℃ fol-lowing operation. The cutaneous sensation began torecover 2-3 days after operation. Two cases ofplantar ulcer recovered one month post operation.Five of the eight cases of paralysis of muscle in-nervated by the common peroneal nerve recoveredto normal. The etiology,pathology, and therapeuticmethods of the nerve injury caused by drug injec-tion were discused.
Objective To investigate the feasibility of the complex of the fibrin sealant (FS) and the bone marrow mesenchymal stem cells（MSCs） to createanew cartilage in the nude mice by the issue engineering technique. Methods T he MSCs were isolated from healthy humans and were expanded in vitro. And then the MSCs were induced by the defined medium containing the transforming growth factor β1 (TGF-β1), dexamethasone, and ascorbic acid. The biomechanical properties of the chondrocytes were investigated at 7 and 14 days. The MSCs induced for 7days were collected and mixed with FS. Then, the FSMSCs mixture was injectedby a needle into the dorsum of the nude mice in the experimental group. In the tw o control groups, only FS or MSCs were injected respectively. The specimens were harvested at 6 and 12 weeks，and the ability of chondrogenesis in vivo was inve stigated by the gross observation, HE, Alcian Blue staining, and type Ⅱ collagen immunohistochemistry. Results The MSCs changed from a spindlel ike fibroblastic appearance to a polygonal shape when transferred to the defined medium, and couldbe induced to express the chondrocyte matrix. After an injection of the mixture , the cartilage-like tissue mass was formed, and the specimens were harvested from the mass at 6 and 12 weeks in the experimental group. The tissue mass at 6 we eks was smaller and relatively firm in texture, which had a distinct lacuna structure. And glycosaminoglycan (GAG) and Type II Collagen expressions were detecte d. The tissue mass at 12 weeks was bigger, firmer and glossier with the mature c hondrocytes lying in the lacuna structure. The positive Alcian blue and Collagen II immunohistochemistry stainings were ber at 12 weeks than at 6 weeks. But there was no cartilage-like tissue mass formed in the two control groups. Conclusion This study demonstrates that the fibrin sealant and the bone marrow mesenchymal stem cells can be successfully used in a constructing technique for the tissue engineered injectable cartilage.
Objective To investigate the mechanism of radix salviae miltiorrhizae (RSM) injection in treatment of pancreatitis through observing the changes of activity of nuclear factor-kappa B (NF-κB) in pancreas of rats with severe acute pancreatitis (SAP) and the influence of RSM injection upon NF-κB in pancreas tissue. Methods Seventy-five rats were randomly divided into 3 groups: normal control group, SAP group and RSM treatment group, which were injected with normal saline, normal saline or RSM in the peritoneal cavity, respectively. The model of SAP rats was made by injecting L-arginine into peritoneal cavity and by subcutaneous injection at the same time. The concentrations of amylase in plasma and in ascites were measured respectively, and the expression of NF-κB in pancreas tissues was determined by immunohistochemistry. Results The levels of amylase in plasm and ascites in SAP group and RSM treatment group increased significantly with the increased expression of NF-κB in pancreas tissue, but it was also found that both the level of amylase and the expression of NF-κB in RSM treatment group were significantly lower compared with those in SAP group, and the survival time of RSM treatment group was longer than SAP group with less pathological injury in the pancreas tissues. Conclusion RSM may be effective for the treatment of pancreatitis by degrading the expression of NF-κB.
目的：评价低分子肝素(Low molecular weight heparins，LMWH)皮下注射持续时间对注射后皮下出血和疼痛的影响。方法：纳入2003年～2004年3月于我院行LMWH皮下注射的住院患者52例，以肚脐两侧作为注射点，任选一侧行首次注射，12 h后于另一侧以相同剂量注射。脐右注射持续10秒(对照组)，脐左持续30秒(实验组)。于注射后48 h、72 h观察注射点有无皮下出血，并用透明纸质毫米尺测量出血面积，用视觉类比量表(Visual analog scale，VAS)测量疼痛强度，记录疼痛持续时间。采用卡方检验及配对t检验对两组皮下出血发生率及面积、疼痛强度及持续时间等指标进行对比分析。结果：实验组和对照组皮下出血的发生率分别为38.5%(n=20)和61.5%(n=32)(P=0.035)。注射后48h、72h，实验组的出血面积均显著低于对照组(48h：17.5±7.3 mm2 VS 101.2±15.0 mm2，P=0.008；72h：20.7±8.0 mm2 VS 110.4±13.5 mm2，P=0.016)。实验组的注射后疼痛积分为13.0±6.4 mm，对照组为21.5±7.0 mm(P=0.021)。实验组疼痛持续时间显著低于对照组(42.5±14.2 s比73.2±20.0 s，P=0.030)。结论：肝素皮下注射持续时间能显著影响注射后皮下出血和疼痛形成，注射时间持续至30秒能有效降低皮下出血发生率及面积，并显著减轻疼痛强度、缩短疼痛时间。
Objective To evaluate the therapeutic results of percutaneous injection of autogeous bone marrow for simple bone cyst and to analyze the prognostic factors of the treatment. Methods From March 2000 to June 2005, 31 patients with simple bone cysts were treated by percutaneous injection of autogeous bone marrow. Of 31 patients, there were 18 males and 13 females, aged 5 years and 7 months to 15 years. The locations were proximal humerus in 18 cases ,proximal femur in 7 cases and other sites in 6 cases. Two cases were treated with repeated injections. The operative process included percutaneous aspiration of fluid in the bone cysts and injection of autogenous bone marrow aspirated fromposterior superior iliac spine. The mean volume of marrow injected was 40 ml(30-70 ml).Results No complications were noted during treatment. Thirty patients were followed for an average of 2.2 years(1.5 years) with 2 cases out of follow-up. After one injection of bone marrow, 9 cysts(29.0%) were healed up completely, 7 cysts(226%)basically healed up,13 cysts (41.9%)healed up partially and 2 (6.5%) had no response.The satisfactory and effective rates were 67.7% and 93.5% respectively. There was significant difference between active stagegroup and resting stage group(P＜0.05). There were no statistically significant difference in therapeutic results between groups of different ages, lesion sites or bone marrow hyperplasia(Pgt;0.05). Conclusion Percutaneous injection of autogeous bone marrow is a safe and effective method to treat simple bone cyst, but repeated injections is necessary for some patients. The therapeutic results are better in cysts at resting stage than those at active stage.
【摘要】 目的 比较利多卡因不同剂量预处理对罗库溴铵注射痛的影响。 方法 120例行全身麻醉择期手术的患者按照完全随机的方法分为利多卡因10 mg 3 mL预处理组（A组），利多卡因25 mg 3 mL预处理组（B组），利多卡因50 mg 3 mL预处理组（C组），生理盐水3 mL预处理组（D组）。观察不同剂量的利多卡因预处理对罗库溴铵注射痛的影响。 结果 A、B、C和D组注射罗库溴铵的疼痛发生率分别为53%、27%、3%和90%。与生理盐水预处理组相比，利多卡因预处理组能明显减轻罗库溴铵引起的注射痛（Plt;0.01）；剂量越大，效果越明显。 结论 利多卡因10、25、50 mg预处理均能显著降低罗库溴铵注射时引起的疼痛，以50 mg利多卡因更为有效。【Abstract】 Objective To compare the effects of different doses of lidocaine pretreatment on the pain from injection with rocuronium. Methods One hundred and twenty patients of general anesthesia had undergone elective surgery, were randomly divided into lidocaine 10 mg 3 mL pretreated group (group A), lidocaine 25 mg 3 mL pretreated group (group B), lidocaine 50 mg 3 mL pretreated group (group C) and saline 3 mL pretreated group (group D). The effects of different doses of lidocaine pretreatment on injection pain of rocuronium were observed. Results The pain incidence from injection with rocuronium in A, B, C, D groups were 53%, 27%, 3% and 90% respectively. The higher dose of lidocaine, the more obvious effect. Conclusion Lidocaine pretreatment with 10, 25, 50 mg can reduce the severity of pain from injection with rocuronium, and lidocaine 50 mg is the most effective.
A controversy still exists in the management of nerve injection injury. The results of different timing of operation and methods in treating this type of nerve injury were analysed in limb s function, neuroelectrophysiology and histology. The results showed that the recovery of the injuried nerve in the group of operation, was considerably better than that in the group without operation. In the group of operation early incision of the epineurium with saline irrigation! was superior to late neurolysis. It was suggested that the early incision with saline irrigation could be used as an emergency management for this type of nerve injury.
In 50 animals, 100 nerve injections were carried out by using four drugs and the physiological saline was used as control. The pathological alterations in the nerve were evident as early as 1 hour after injection with splitting of the myelin larnellae in local areas. At 24 hours, there were areas of complete delamination and fragmentetion of the myelin sheath. Some axons had completely disintegreted. A remarkable reduction in the amplitude of nerve-muscle action potentials was indicative of early ncurophysiological changes in this type of nerve injury and the detection of this was conducive to its early diagnosis..