• A Sizlan, N Cekmen, S Bedir, O Yanarates, M O Ozhan, and A Cosar.
• Gulhane Military Medical Faculty, Departmentsof Anesthesiology, Ankara, Turkey. nedimcekmen@yahoo.com
• Bratisl Med J. 2011 Jan 1; 112 (7): 380-4.

PurposeThe aim of this study is to compare the efficiency of propofol+remifentanil to propofol+alfentanil in reducing pain in patients with urinary system stones undergoing outpatient Extracorporeal Shock Wave Lithotripsy (ESWL).MethodsIn this prospective study, 30 patients, ASA (American Society of Anesthesiologist) I-II, who are 18-60 years old and undergoing Extracorporeal Shock Wave Lithotripsy for urinary system stones were included. Patients were randomly selected for either propofol+remifentanil (Group PR) or propofol+alfentanil treatment (Group PA). Propofol was given at a dose 1 mg/kg, and then 5mg doses were given to maintain a BIS (Bispectral Index) level 60-70. Remifentanil (0.2 microg/kg (-1) bolus dose and later 0.02 microgkg(-1) min(-1) infusions) was given to the group PR and alfentanil (bolus dose 7 microgkg(-1) and later with 0.7 microgkg(-1) min(-1) infusions) was given to the group PA. If needed, the patients might use 10 ig remifentanil and 50 ig alfentanil bolus doses in group PR and PA using patient controlled analgesia (PCA) device. ECG, SpO2, BIS levels and arterial blood pressures were monitored and recorded. Patients were evaluated with Ramsay Sedation Level Evaluation Scale and with Modified Aldrete Scoring System during and after the procedure. VAS was given to patients to mark their pain level on this scale at the end of the procedure.ResultsThe values at pre-induction and post- induction in each group were statistically different but difference did not exist between the PR and PA groups.ConclusionWe concluded that both methods may be successfully used for patients undergoing ESWL (Tab. 6, Rief. 29).

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