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An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

European Journal of Pharmaceutical and Medical Research (EJPMR) has indexed with various reputed international bodies like : Google Scholar , Indian Science Publications , InfoBase Index (In Process) , SOCOLAR, China , Research Bible, Fuchu, Tokyo. JAPAN , International Society for Research activity (ISRA) , Scientific Indexing Services (SIS) , Polish Scholarly Bibliography , Global Impact Factor (GIF) (Under Process) , Universal Impact Factor , International Scientific Indexing (ISI), UAE  , Index Copernicus , CAS (A Division of American Chemical Society) USA (Under Process) , Directory of Open Access Journal (DOAJ, Sweden, in process) , UDLedge Science Citation Index , CiteFactor , Directory Of Research Journal Indexing (DRJI) , Indian citation Index (ICI) , Journal Index (JI, Under Process) , Directory of abstract indexing for Journals (DAIJ) , Open Access Journals (Under Process) , Impact Factor Services For International Journals (IFSIJ) , Cosmos Impact Factor , Jour Informatics (Under Process) , Eurasian Scientific Journal Index (ESJI) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Pubmed Database [NLM ID: 101669306] (Under Process) , IP Indexing (IP Value 2.40) , Web of Science Group (Under Process) , Directory of Research Journals Indexing , Scholar Article Journal Index (SAJI) , International Scientific Indexing ( ISI ) , Scope Database , Academia , 

 ISSN 2394-3211

Impact Factor: 7.065

 ICV - 79.57



Dr. Tarek Refat El Hefni, M.D.*, Dr. Mohamed Zaki Youssef, M.D., Dr. Mohamad Abou Al-Neaj, M.D., Dr. Ahmed Hassan Abouhelwo, M.D. and Dr. Mohamed Mahmoud Elfekky, M.D.


Objectives: To evaluate effect of perioperative administration of Dexmedetomidine or ketamine infusion during Total Knee Replacement on acute postoperative pain and chronic neuropathic pain. Patients & Methods: Sixty patients assigned for Total knee replacement were divided into Group C received placebo, Group D and Group K received bolus followed by Intraoperative and Postoperative infusions of Dexmedetomidine and Ketamine, respectively. Intraoperative monitoring included heart rate and mean arterial pressure. Postoperative monitoring included pain severity assessed using numeric rating scale for 24-hr and somatic/sensory NPP using Douleur neuropathique 4 questions (DN4) Neuropathic pain diagnostic questionnaire evaluated preoperatively and 6-weeks and 3-months Postoperative. Patients satisfaction with the analgesic procedure was assessed with 4-points scale questionnaire. Results: Hemodynamic measures, especially in response to induction and intubation, were increased with Ketamine, but decreased with Dexmedetomidine infusion. During rest, pain scores and number of requests of rescue analgesia were significantly lower with Dexmedetomidine and Ketamine than placebo with significant difference in favor of Dexmedetomidine and 16 patients did not require rescue analgesia as long as they are in rest. During movement, 56 patients required rescue analgesia with significantly lower frequency with Dexmedetomidine than Ketamine and placebo and with Ketamine versus placebo. Duration till first request during rest was significantly longer and consumed dose of morphine was significantly lower with Dexmedetomidine than Ketamine and placebo and with Ketamine versus placebo. DN4 scores significantly improved than preoperative scores in all patients with significantly lower scores with Dexmedetomidine than Ketamine and placebo and with Ketamine versus placebo. All patients were satisfied by their 3-month outcome with significantly higher scores with Dexmedetomidine than Ketamine and placebo and with Ketamine versus placebo. Conclusion: Perioperative analgesic infusion helped to improve functional outcome through acute and chronic pain alleviation. Dexmedetomidine perioperative infusion did better than Ketamine infusion for pain relieve and improvement of functional outcome and patients' satisfaction.

Keywords: Total knee replacement, Dexmedetomidine, Ketamine, Postoperative pain, chronic neuropathic

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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia