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A Comparison of Dexmedetomidine and Epidural Anesthesia Under General Anesthesia in Patients Undergoing Gastrectomy

Gastrectomy Clinical Trial

Official title:
A Comparison of Dexmedetomidine and Epidural Anesthesia Under General Anesthesia in Patients Undergoing Gastrectomy

Clinical Trial Summary

Clinically, combining epidural with general anaesthesia may confer many advantages to patients undergoing major thoracic, abdominal or orthopaedic surgery. Epidural anaesthesia can attenuate sympathetic hyperactivity and the stress response, maintain bowel peristalsis, spare the use of opioids, and facilitate postoperative feeding and physiotherapy. However, establishing epidural anesthesia is not without risks and contraindications, including refusal by the patient, technical failure, unintentional dural puncture, waist and back pain and local anaesthetic toxicity. When neurologic complications do occur, the resulting morbidity and mortality is considerable. Dexmedetomidine is a potent α2-adrenoceptor agonist with an 8 times greater affinity for α2-adrenoceptors than clonidine. This class of agent is known to have sedative, anxiolytic, anti-shivering, analgesic, and anaesthetic sparing effect. In addition α2-adrenoceptor agonists reduce central sympathetic outflow and attenuate the stress response associated with surgery.1 Unlike epidural anaesthesia, dexmedetomidine is easy to administer and no potential for neurological damage. The investigators hypothesize that the dexmedetomidine reduces the stress response of surgery to the similar extent to epidural anaesthesia when used in conjunction with a standard general anaesthesia for abdominal surgery.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01657812
Study type Interventional
Source Anhui Medical University
Contact
Status Recruiting
Phase Phase 4
Start date July 2012
Completion date July 2013
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