A double-blind assessment of segmental sensory changes with epidural fentanyl versus epidural saline in patients undergoing extracorporeal shock-wave lithotripsy. 1990

P J Hore, and B S Silbert, and R J Cook, and D S Beilby
Department of Anesthesiology, St. Vincent's Hospital, Melbourne, Victoria, Australia.

Segmental changes to pin prick and cold stimuli were tested in a double-blind manner in pain-free patients scheduled for extracorporeal shockwave lithotripsy (ESWL). Fifty patients were randomly allocated to receive either epidural fentanyl (100 micrograms in 10 ml normal saline) or 10 ml epidural normal saline. In a further 25 patients an epidural catheter was inserted but no solution injected. In contrast to this latter group, epidural fentanyl and normal saline both produced segmental sensory changes. There were no significant differences between fentanyl and normal saline groups in the number of patients reporting sensory changes to pin prick, rate of onset of these changes, or segmental level. For cold stimuli, more patients in the fentanyl group than in the normal saline group reported a change (16 vs. 8; P = 0.02) but the segmental level was similar. The effect of normal saline as a diluent in epidurally administered opioids may be of clinical importance.

UI MeSH Term Description Entries
D007268 Injections, Epidural The injection of drugs, most often analgesics, into the spinal canal without puncturing the dura mater. Epidural Injections,Extradural Injections,Peridural Injections,Injections, Extradural,Injections, Peridural,Epidural Injection,Extradural Injection,Injection, Epidural,Injection, Extradural,Injection, Peridural,Peridural Injection
D008096 Lithotripsy The destruction of a calculus of the kidney, ureter, bladder, or gallbladder by physical forces, including crushing with a lithotriptor through a catheter. Focused percutaneous ultrasound and focused hydraulic shock waves may be used without surgery. Lithotripsy does not include the dissolving of stones by acids or litholysis. Lithotripsy by laser is LITHOTRIPSY, LASER. ESWL (Extracorporeal Shockwave Lithotripsy),Electrohydraulic Shockwave Lithotripsy,Extracorporeal Shockwave Lithotripsy,Litholapaxy,Noninvasive Litholapaxy,Percutaneous Ultrasonic Lithotripsy,Ultrasonic Lithotripsy,ESWLs (Extracorporeal Shockwave Lithotripsy),Electrohydraulic Shockwave Lithotripsies,Extracorporeal Shockwave Lithotripsies,Litholapaxies,Litholapaxies, Noninvasive,Litholapaxy, Noninvasive,Lithotripsies,Lithotripsies, Electrohydraulic Shockwave,Lithotripsies, Extracorporeal Shockwave,Lithotripsies, Percutaneous Ultrasonic,Lithotripsies, Ultrasonic,Lithotripsy, Electrohydraulic Shockwave,Lithotripsy, Extracorporeal Shockwave,Lithotripsy, Percutaneous Ultrasonic,Lithotripsy, Ultrasonic,Noninvasive Litholapaxies,Percutaneous Ultrasonic Lithotripsies,Shockwave Lithotripsies, Electrohydraulic,Shockwave Lithotripsies, Extracorporeal,Shockwave Lithotripsy, Electrohydraulic,Shockwave Lithotripsy, Extracorporeal,Ultrasonic Lithotripsies,Ultrasonic Lithotripsies, Percutaneous,Ultrasonic Lithotripsy, Percutaneous
D010812 Physical Stimulation Act of eliciting a response from a person or organism through physical contact. Stimulation, Physical,Physical Stimulations,Stimulations, Physical
D011537 Pruritus An intense itching sensation that produces the urge to rub or scratch the skin to obtain relief. Itching,Pruritis
D003080 Cold Temperature An absence of warmth or heat or a temperature notably below an accustomed norm. Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005283 Fentanyl A potent narcotic analgesic, abuse of which leads to habituation or addiction. It is primarily a mu-opioid agonist. Fentanyl is also used as an adjunct to general anesthetics, and as an anesthetic for induction and maintenance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1078) Phentanyl,Duragesic,Durogesic,Fentanest,Fentanyl Citrate,Fentora,R-4263,Sublimaze,Transmucosal Oral Fentanyl Citrate,R 4263,R4263
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000767 Anesthesia, Epidural Procedure in which an anesthetic is injected into the epidural space. Anesthesia, Extradural,Anesthesia, Peridural,Epidural Anesthesia,Anesthesias, Epidural,Anesthesias, Extradural,Anesthesias, Peridural,Epidural Anesthesias,Extradural Anesthesia,Extradural Anesthesias,Peridural Anesthesia,Peridural Anesthesias
D012677 Sensation The process in which specialized SENSORY RECEPTOR CELLS transduce peripheral stimuli (physical or chemical) into NERVE IMPULSES which are then transmitted to the various sensory centers in the CENTRAL NERVOUS SYSTEM. Sensory Function,Organoleptic,Function, Sensory,Functions, Sensory,Sensations,Sensory Functions

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