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1.
Journal of Southern Medical University ; (12): 1673-1677, 2017.
Article Dans Chinois | WPRIM | ID: wpr-299295

Résumé

<p><b>OBJECTIVE</b>To study the protective effect of dexmedetomidine against perioperative inflammation and on pulmonary function in patients undergoing radical resection of lung cancer.</p><p><b>METHODS</b>From May, 2014 to May, 2016, 124 patients with lung cancer receiving radical surgeries were randomized into experimental group (n=62) and control group (n=62). The patients in the control group received a single anesthetic agent for anesthesia, and additional dexmedetomidine was given in the experimental group. The levels of serum interleukin-1β (IL-1β), IL-10, and tumor necrosis factor-alpha (TNF-α) were measured before the operation (T), at 30 min (T) and 60 min (T) during one lung ventilation (OLV) and at the end of operation (T). Enzyme-linked immunosorbent assay (ELISA) was used to determine the levels of malondialdehyde (MDA), myeloperoxidase (MPO) and xanthine oxidase (XOD), and the arterial oxygen partial pressure (PaO), oxygenation index (OI), airway plateau pressure (APP) and airway resistance (AR) were also recorded.</p><p><b>RESULTS</b>At the time points of Tand T, IL-1β, IL-10, MDA, MPO, TNF-α, and XOD levels were significantly increased in both of the groups, but the levels of IL-1, IL-10, TNF-α and MDA were significantly lower and MPO and XOD levels significantly higher in the experimental group than in the control group (P<0.05). In both groups, PaOand OI decreased and APP and AR increased significantly at Tand T, but APP and AR were significantly lower and PaOand OI significantly higher in the experimental group than in the control group (P<0.05).</p><p><b>CONCLUSION</b>Anesthesia with dexmedetomidine in lung cancer patients undergoing radical surgery can effectively reduce the inflammatory response of the lungs and protect the lung function of the patients.</p>

2.
Journal of Zhejiang University. Medical sciences ; (6): 470-476, 2010.
Article Dans Chinois | WPRIM | ID: wpr-319874

Résumé

<p><b>OBJECTIVE</b>To explore the effect of cardiopulmonary bypass (CPB) on the profile of protein expression in peripheral blood mononuclear cells (PBMCs).</p><p><b>METHODS</b>Eleven patients undergoing cardiac surgery under cardiopulmonary bypass were enrolled in the study. Peripheral blood samples were collected before CPB (T0), 1 h after CPB (T1) and at the end of operation (T2), and PBMCs were obtained by gradient centrifugation. The profile of protein expression was analyzed using 2-D gel electrophoresis (2-DE) and mass spectrometry. The candidate proteins were further identified by Western blotting.</p><p><b>RESULT</b>Compared to protein profile at T0, 12 protein spots were identified to be up-regulated in PBMCs at T1 (P <0.05), among which S100A9 reached the peak level at T1 and decreased after operation,but not returned to its initial level.</p><p><b>CONCLUSION</b>Results indicate that 12 proteins are likely to be involved in CPB, however, their roles need to be elucidated.</p>


Sujets)
Adulte , Femelle , Humains , Mâle , Adulte d'âge moyen , Jeune adulte , Pontage cardiopulmonaire , Électrophorèse bidimensionnelle sur gel , Agranulocytes , Métabolisme , Spectrométrie de masse , Protéome , Métabolisme , Protéomique
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