Effect of Preoperative Dexmedetomidine on Prevalence of Postoperative Cognitive Dysfunction in Elderly Patients Candidate for Orthopedic Surgery under General Anesthesia

Autor: Mona Haji Aghajani, Mohammad Reza Ghodraty, Alireza Pournajafian, Azadeh Emami, Ali Khatibi
Rok vydání: 2020
Předmět:
Zdroj: Archives of Anesthesia and Critical Care, Vol 6, Iss 4 (2020)
ISSN: 2423-5849
DOI: 10.18502/aacc.v6i4.4629
Popis: Background: Postoperative cognitive dysfunction (POCD) is amongst the most critical complications after surgery. This study shows the effect of dexmedetomidine on the prevalence of postoperative cognitive impairment. Methods: In this double-blinded clinical trial study, patients aged 60-80 years undergoing pelvic and femoral orthopedic surgery were randomly assigned in one of the two groups of the course, i.e., Dexmedetomidine (DEX) or normal saline (NS). We infuse One hour before anesthesia, one µg/kg dexmedetomidine in the group (DEX), and the same volume of normal saline (NS). Mini-Mental State Examination test (MMSE) was applied to evaluate the patients' cognitive condition, One day before the surgery, 24 and 72 hours after the surgery. Results: There was no significant difference between the two groups in terms of age, sex, duration of anesthesia, duration of surgery, and the amount of bleeding during operation (P>0.0). The postoperative hematocrit level was lower than the preoperative level in the group (DEX) (P0.05). Conclusion: Dexmedetomidine infused before surgery has no preventive effect on POCD in elderly patients undergoing pelvic and femoral orthopedic surgery under general anesthesia.
Databáze: OpenAIRE