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1.
Chinese Journal of Rehabilitation Theory and Practice ; (12): 413-414, 2010.
Article Dans Chinois | WPRIM | ID: wpr-960632

Résumé

@#ObjectiveTo study the effects of anti-aldosterone on left ventricular function in patients with myocardial infarction. Methods130 patients with myocardial infarction were divided into anti-aldosterone group (spironolactone 20~40 mg/d + enalapril 10~20 mg/day, n=61) and control group (enalapril 10~20 mg/d, n=69). The echocardiogram and Doppler tissue imaging (DTI) were performed at enrolling time, and 6, 12 months after treatment. ResultsIn the anti-aldosterone group, the average mitral systolic wave (s) was significantly increased 6 months after treatment (P<0.05) to the enrolling time. LVEF and LVEDD improved 12 months after treatment (P<0.05). In the control group, the average mitral systolic wave, LVEDD and LVEF did not significantly improve (P>0.05). Ratio of peak early to late diastolic filling velocity (e/a) was no significantly different between the anti-aldosterone group and the control group. ConclusionThe combination of anti-aldosterone and ACEI in patients with myocardial infarction can improve the left ventricular systolic function after 6 and 12 months, but cannot to the diastolic function.

2.
Chinese Journal of Surgery ; (12): 699-701, 2002.
Article Dans Chinois | WPRIM | ID: wpr-264780

Résumé

<p><b>OBJECTIVES</b>To investigate the expression of macrophage migration inhibitory factor (MIF) mRNA in Schwann cells after peripheral nerve injury and roles of Schwann cells and MIF in macrophages activation and nerve regeneration.</p><p><b>METHODS</b>Fifty SD rats were divided into 10 groups. One group served as normal control. The rest were anesthetized with 3% sodium pentobarbital (30 - 60 mg/kg, i.p) and sciatic nerves were transected distal to the obturator tendon respectively 1 h, 12 h, 1 d, 3 d, 7 d, 10 d, 14 d, 17 d and 21 d before being killed. Sciatic nerves were resected and connective tissues excised. Schwann cells were obtained by digesting the nerve tissues with trypsin and collagenase. RNA was isolated and reverse-transcription-polymerase chain reaction (RT-PCR) was carried out. cDNA was analyzed by automatic system and the parameters were assessed to define the status of MIF mRNA expression in different groups.</p><p><b>RESULTS</b>The level of MIF mRNA started to increase 12 h after the nerve transection. The level remained high from day 7 up to 10 after the injury. During the period from days 10 to 21, MIF mRNA decreased slowly to the pre-transection level.</p><p><b>CONCLUSION</b>After peripheral nerve injury, Schwann cells can secrete MIF which may play a pivotal role as an immunomodulatory cytokine in macrophage activation and inflammatory reaction.</p>


Sujets)
Animaux , Femelle , Mâle , Rats , Facteurs inhibiteurs de la migration des macrophages , Génétique , Lésions des nerfs périphériques , ARN messager , Rat Sprague-Dawley , RT-PCR , Cellules de Schwann , Métabolisme
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