Bckground and objectives: Currently, no information is available on the effects of a double-injection technique on onset time and efficacy following subgluteal sciatic nerve blockade. We hypothesized that the success rate and time to onset of subgluteal nerve block following, a double-injection technique would be superior to that after a single injection. Methods: Fifty ASA I or II patients undergoing foot or ankle surgery randomly received a single or double injection subgluteal sciatic nerve block. Group S (n = 25) received a single injection of 30 nil of 0.75% ropivacaine to the sciatic nerve. In Group D (n = 25), 15 ml of the same solution was injected to each sciatic nerve component. Completion of sensory and motor blockade, and patient acceptance, was evaluated by a blinded anesthesiologist. Results: Complete sensory and motor blockade of the foot was achieved faster with the double injection (7.4 [5.9-8.8] min and 12.3 [10.4-14.2] min, respectively) than with the single-injection technique (12.5 [10.7-14.3] min and 18.8 [16.7-21.0] min, respectively) (P<0.001 and P<0.001, respectively). Success rate and acceptance were similar in both groups. Severe or moderate discomfort during the procedure was less frequent after a single injection (P = 0.013). Conclusions: Both the single- and double-injection technique for subgluteal sciatic nerve blockade resulted in acceptable anesthesia in, most patients. The, double injection generated a faster onset of anesthesia than the single injection. However, the double-injection technique caused more patient discomfort during establishment of the nerve block.
机构:
Univ Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, SpainUniv Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, Spain
Rodríguez, J
Alvarez, J
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Univ Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, SpainUniv Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, Spain
Alvarez, J
Cortés, J
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Univ Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, SpainUniv Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, Spain
Cortés, J
Gude, F
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Univ Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, SpainUniv Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, Spain
Gude, F
Atanassoff, PG
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Univ Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, SpainUniv Santiago, Hosp Clin, Dept Anesthesiol, Clin Epidemiol Unit, Santiago De Compostela 15706, Spain
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Univ Santiago de Compostela, Hosp Clin, Serv Anestesiol, Santiago De Compostela, SpainUniv Santiago de Compostela, Hosp Clin, Serv Anestesiol, Santiago De Compostela, Spain
Alvarez, J.
Cortes, J.
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Univ Santiago de Compostela, Hosp Clin, Serv Anestesiol, Santiago De Compostela, SpainUniv Santiago de Compostela, Hosp Clin, Serv Anestesiol, Santiago De Compostela, Spain
Cortes, J.
Atanassoff, P. G.
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Univ Santiago de Compostela, Hosp Clin, Serv Anestesiol, Santiago De Compostela, SpainUniv Santiago de Compostela, Hosp Clin, Serv Anestesiol, Santiago De Compostela, Spain
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Univ Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, AustraliaUniv Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Bartolek, Dubravka
Saki-Zdravcevic, Kata
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机构:Univ Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Saki-Zdravcevic, Kata
Finci, Dijana
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Univ Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Gen Hosp, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, AustraliaUniv Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Finci, Dijana
Maric, Stela
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Univ Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, AustraliaUniv Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Maric, Stela
Munjiza, Aleksandra
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机构:Univ Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Munjiza, Aleksandra
Kudelic, Ivan
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Gen Hosp, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, AustraliaUniv Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Kudelic, Ivan
Bartolek, Franjo
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Gen Hosp, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, AustraliaUniv Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Bartolek, Franjo
Romcevic, Mia
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机构:Univ Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia
Romcevic, Mia
Bagatin, Dinko
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机构:Univ Hosp Traumatol, Dept Anaesthesiol & Intens Care Unit, Sydney, NSW, Australia