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1.
Journal of Southern Medical University ; (12): 694-698, 2014.
Article Dans Chinois | WPRIM | ID: wpr-249378

Résumé

<p><b>OBJECTIVE</b>To investigate the effects of different anesthesia depth on stress response in elderly patients undergoing elective laparoscopic surgery for colorectal cancer.</p><p><b>METHODS</b>A total of 105 ASA I-III patients aged 60-91 years undergoing elective laparoscopic surgery for colorectal cancer with general anesthesia were randomized into 3 groups, namely group A with a target Narcotrend index (NI) maintained at D0 level, group B with a NI at D2 level, and group C with a NI at E1 level. The anesthetics (profopol and remifentanil) were adjusted according to Narcotrend monitoring results to maintain the specified anesthesia depth. The patients' heart rate (HR) and mean artery pressure (MAP) were recorded before anesthesia (T0), before intubation (T1), immediately after intubation (T2), at 2 min before pneumoperitoneum (T3), 2 min after pneumoperitoneum (T4), at the end of the surgery (T5) and extubation (T6). Serum levels of cortisol, adrenocorticotropic hormone (ACTH), endothelin-1 (ET-1), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) and C-reactive protein (CRP) were measured by standard ELISA and radioimmunoassay before anesthesia (Ta), at the end of the surgery (Tb) and 1 day after the surgery (Tc).</p><p><b>RESULTS</b>HR and MAP in group A increased significantly at T2, T4, and T6 compared to those at T0 (P<0.05), and were higher than those in group B and group C (P<0.05). The MAP in all the 3 groups all decreased at T1 and T3 (P<0.05 or P<0.01), and was markedly lower in group C than in groups A and B (P<0.05). The incidence of hypertension was significantly higher in group A than in groups B and C (P<0.05), while the incidence of hypotension was much higher in group C (P<0.01). There were no obvious differences in serum levels of cortisol, ACTH, CRP, IL-6, TNF-a, or ET-1 among the groups at Ta (P>0.05). The serum levels of ACTH in the 3 groups all significantly increased at Tb and Tc (P<0.01). CRP, IL-6 and TNF-a levels in group A were increased at Tb and Tc (P<0.05 or P<0.01) and significantly higher than those in groups B and C (P<0.05 or P<0.01). Cortisol in groups A and B increased at Tb and Tc (P<0.05) to a significantly higher level than that in group C (P<0.01). ET-1 level in group C at Tb and Tc was lower than those in groups A and B (P<0.05 or P<0.01).</p><p><b>CONCLUSIONS</b>Maintaining the anesthesia depth for a NI at the D2 and E1 level can both attenuate the stress response in elderly patients undergoing laparoscopic surgery for colorectal cancer, but the hemodynamic stability can be better at a D2 level.</p>


Sujets)
Sujet âgé , Sujet âgé de 80 ans ou plus , Humains , Adulte d'âge moyen , Hormone corticotrope , Sang , Anesthésie générale , Méthodes , Pression sanguine , Protéine C-réactive , Métabolisme , Tumeurs colorectales , Chirurgie générale , Interventions chirurgicales non urgentes , Endothéline-1 , Sang , Rythme cardiaque , Hydrocortisone , Sang , Interleukine-6 , Sang , Laparoscopie , Pipéridines , Propofol , Facteur de nécrose tumorale alpha , Sang
2.
Chinese Journal of Anesthesiology ; (12): 708-710, 2013.
Article Dans Chinois | WPRIM | ID: wpr-436964

Résumé

Objective To evaluate the reliability of PainVision method for assessment of postoperative pain in patients undergoing gynaecological laparoscopy.Methods Twenty ASA physical status Ⅰ-Ⅱ patients,aged 30-45 yr,undergoing gynaecological laparoscopy under fentanyl-propofol-cisatracurium anesthesia,were studied.Pain intensity was simultaneously assessed using PainVision method and visual analog scale (VAS) at 12,24 and 48 h after surgery.PainVision was a new method for quantitative measurement of pain intensity using a painless electrical stimulation (PainVision PS-2100 device).Pain degree was calculated from two parameters,current perception threshold and pain compatible electrical current by using PainVision.The former parameter was defined by the lowest electrical current detected ; the latter parameter defined by the electrical current judged as being compatible with the intensity of ongoing pain.Results There was a significant positive correlation between pain degree calculated by PainVision method and VAS scores,and the correlation coefficient was 0.902 (P < 0.01).Conclusion PainVision method can be applied for assessment of postoperative pain in patients undergoing gynaecological laparoscopy.

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