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find Keyword "Ketamine" 2 results
  • Clinical Evaluation of Induced Rescue Intubation by Ketamine and Midazolam in Patients with Respiratory Failure

    Objective To evaluate the rescue intubation induced by ketamine and midazolam in patients with acute respiratory failure.Methods 81 patients with acute respiratory failure admitted between June 2010 and June 2012 were recruited in the study. They were randomly divided to a MF group to receive 0. 05 mg/kg of midazolam + 1 to 2 μg/kg of fentanyl ( n =41) , and aMK group to received 0. 05 mg/kg of midazolam + 0. 5 to 1 mg/kg of ketamine ( n =40) for rescue intubation. The APACHEⅡ score on initial24 hours after admission in ICU, length of ICU stay, and 28-day mortality were recorded. The differences in arterial blood pressure, heart rate, respiration rate, and blood oxygen saturation before intubation and 10 minutes after intubation were compared. Incidences of hypotension and other adverse events and difficult intubation were also recorded.Results The midazolamdose in the MK group was significantly less than that in the MF group ( P lt; 0. 01) . The blood pressure in both groups decreased. The systolic blood pressure dropped most significantly in the MF group ( P lt;0. 05) . The incidence of hypotension was 41. 5% in the MF group, significantly higher than that in the MK group ( 20. 0% , P lt;0. 05) . The incidence of hypotension had no correlation with midazolamdosage ( P gt;0. 05) . There was no significant difference in adverse events except for the arrhythmia between two groups. The length of ICU stay and 28-day mortality were similar in both groups ( P gt; 0. 05) . The incidence of difficult tracheal intubation was nearly 50% in both groups.Conclusions In patients with respiratory failure, rescue intubation induced by ketamine can reduce the dose of midazolam and reduce the incidence of hypotension without more complications. The optimal dose of ketamine in induced tracheal intubation requires further study.

    Release date:2016-09-13 03:54 Export PDF Favorites Scan
  • Effects of dexmedetomidine combined with subanesthetic doses of ketamine on cognitive function after surgery for elderly patients with femoral neck fractures

    Objective To investigate the effects of dexmedetomidine combined with subanesthetic doses of ketamine on cognitive function after surgery for elderly patients with femoral neck fractures. Methods A total of 78 elderly patients with femoral neck fracture who were admitted to hospital between January 2015 and June 2016 were divided into the control group (n=38) and the study group (n=40) according to the admitting time. The cases in the control group were treated with dexmedetomidine given anesthesia and the cases in the study group received dexmedetomidine combined with subanesthetic dose of ketamine. The incidences of postoperative cognitive dysfunction (POCD) and the scores of Mini-mental State Examination (MMSE) and Ramsay scores were compaired, and serum levels of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) were detected. Results There was no difference in operation time, blood loss, blood pressure and oxygen partial pressure between the two groups (P>0.05). The 1-, 3-day postoperative incidences of POCD in the study group were significantly lower than those in the control group (P<0.05). The 1-, 3-, 7-day postoperative MMSE scores and Ramsay sedation scores 1 hour, 3 and 6 hours after stopping anaesthetic drugs in the study group were significantly higher than those in the control group (P<0.05). The 1-, 3-day postoperative serum levels of IL-6 and TNF-α in the study group were significantly lower than those in the control group (P<0.05). Conclusion For elderly patients with femoral neck fracture after surgery, taking dexmedetomidine flax composite drunk dose of ketamine anesthesia method helps to reduce the incidence of postoperative cognitive dysfunction.

    Release date:2017-08-22 11:25 Export PDF Favorites Scan
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