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1.
Chinese Journal of Geriatrics ; (12): 586-590, 2019.
Article in Chinese | WPRIM | ID: wpr-745564

ABSTRACT

Objective To explore changes in coagulation function,assessed by thromboelastography (TEG) combined with D-dimer (D-D),in patients undergoing percutaneous vertebroplasty(PVP)or percutaneous kyphoplasty(PKP).Methods A total of 52 elderly patients with osteoporosis-associated vertebral compression fractures admitted into our hospital from May 2016 to November were enrolled in this study,including 13 men aged 64-91 years,with a mean age of(74.3 ± 10.5) years,and 39 women aged 60-89 years,with a mean age of(71.4 ± 7.3) years.Patients received vertebroplasty under local anesthesia,with 29 patients undergoing PVP and 23 cases taking PKP.Thromboelastography(TEG)and D-dimer(D-D)levels were measured at 1 h before,0.5 h,1 h and 3 h after bone cement injections,in order to analyze changes in patients' coagulation function.Results Compared with the coagulation parameters in patients 1 h before bone cement injections,the values of R,K,Angle,Ma,CI,EPL,LY30 and D-D had no significant difference in patients 0.5 h after bone cement injections (P > 0.05);the values of R,Angle,CI,EPL and LY30 were significantly different(P <0.05),but the values of K,Ma and D-D had no significant difference(P >0.05)in patients 1 h after bone cement injections;the values of R,K,Angle,Ma,CI,LY30 and D-D had no significant difference(P>0.05),but the value of EPL was significantly different in patients 3 h after bone cement injections(P <0.05).Conclusions The blood is in a transient hypercoagulable state during the time of 0.5 h to 3 h after PVP or PKP,which reaches the peak at the time of 1 h after operation,thereby increasing the risk of thrombosis.Therefore,some interventions such as anticoagulants could be carried out during the preoperative and postoperative period.Changes in coagulation function should be closely monitored after operation.Patients should start postoperative exercise early.

2.
Article in Chinese | WPRIM | ID: wpr-504831

ABSTRACT

BACKGROUND:After spinal cord injury, endogenous neural stem cel s are activated to proliferate and migrate to repair damaged tissue. As a clinical medicine, methylprednisolone shows a lot of functions, but its effects on endogenous neural stem cel s are stil unknown. OBJECTIVE:To explore the effects of methylprednisolone on the proliferation and migration of endogenous neural stem cel s after spinal cord injury. METHODS:Seventy-five Sprague-Dawley rats were used to make animal models of T10 complete paraplegia using Al en’s method, and randomized into methylprednisolone, normal saline and model groups. Rats in these three groups were given intraperitoneal injection of 1 g/L methylprednisolone solution at a dose of 30 mg/kg for 10 minutes and at a dose of 5.4 mg/kg/h for 23 hours, given intraperitoneal injection of normal saline at the same dose and given no treatment, respectively. Neurological and motor functions were assessed by somatosensory evoked potential and Basso Beattie Bresnahan scores at 7, 14, 21, 28 days after spinal cord injury. BrdU and Nestin staining of the injured spinal cord segment was conducted. RESULTS AND CONCLUSION:A large amount of BrdU-and Nestin-positive cel s were visible in al the groups, and the number of these cel s reached the peach at 14 days after spinal cord injury. Methylprednisolone was found to inhibit BrdU-, Nestin-or double-positive cel s, indicating methylprednisolone can inhibit the proliferation and migration of endogenous neural stem cel s. The results of Basso Beattie Bresnahan scores showed no notable improvement in the motor function of the limbs. Methylprednisolone also showed no significant effects on the motor evoked potential latency, but promoted nerve conduction recovery. Al these findings indicate that methylprednisolone has some hindering effects on spinal cord repair by inhibiting the proliferation and migration of endogenous neural stem cel s after spinal cord injury.

3.
Chongqing Medicine ; (36): 2988-2990, 2013.
Article in Chinese | WPRIM | ID: wpr-438806

ABSTRACT

Objective To study the influence of early dynamization of interlocking intramedullary nail on the treatment effect of the patients with lower limb fracture .Methods 62 patients with lower limb fracture treated with interlocking intramedullary nail in our hospital from June 2010 to March 2012 were selected as the research subjects and divided into the control group and the obser-vation group with 31 cases in each group according to random number table .The control group was treated with routine treatment method ,while the observation group was treated with early dynamization .Then the Johner-Wruch score ,healing time ,rate of ad-verse fracture healing ,incidence rate of complications and fracture healing related factors before and after the treatment were ana-lyzed and compared .Results The Johner-Wruch score excellent and good rate of the observation group was higher than that of the control group ,the healing time was shorter than that of the control group ,the rate of adverse fracture healing and the incidence rate of complications were lower than those of the control group ,the fracture healing related factors after treatment were all better than those of the control group ,the differences had statistical significance (all P<0 .05) .Conclusion The early dynamization of interloc-king intramedullary nail has the better effect for treating lower limb fracture and its influence on the fracture healing related factors is better too .

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