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Table 1 Summary of the included studies

From: The efficacy and safety of continuous versus single-injection popliteal sciatic nerve block in outpatient foot and ankle surgery: a systematic review and meta-analysis

Author study design G1 (CPSNB)/G2 (SPSNB) Anesthesia Method Age G1/G2 (years) Gender G1/G2 (female%) Infusion technique approach Regieme of first shot Surgery enrolled Outcome measurement Quality assessmenta
Regieme of continuous nerve block a b c d e f
Ding 2015 RCT 23/21 General Anesthesia 51/30 47.8%/52.4% I-flow On Q pump posterior/ultrasound-guided 20 ml 0.5% lidocaine with epinephrine 20 ml 0.5% bupivacaine ankle fractures v v v v v   4
8 ml/hr. 0.2% ropivacaine
Elliot 2010 RCT 27/27 General Anesthesia N/A N/A Stryker PainPump II lateral/nerve stimulator 20 ml 0.5% bupivacaine ankle fusions hindfoot fusions total ankle replacement tendon reconstruction subtalar fusion v v v v   v 5
4 ml/hr. 0.25% bupivacaine
Zaric 2004 RCT 30/30 Spinal Anesthesia 47/46 83.3%/90% Baxter LV5 elastomeric pump posterior/nerve stimulator 30 ml 0.5% ropivacaine hallux valgus correction metatarsal osteotomy great toe arthrodesis v v v v v v 5
  4 ml/hr. 0.25% ropivacaine
White 2003 RCT 10/10 General Anesthesia 58/50 60%/70% C-bloc™ PNB system elastometric pump lateral/nerve stimulator 30 ml 0.25% ropivacaine ankle or foot procedure v v v v v v 5
5 ml/hr. 0.25% ropivacaine
Ilfeld 2002 RCT 15/15 Regional Block 56.1/51.5 66.6%/73.3% Microject PCA pump posterior/nerve stimulator 50 ml 1.5% mepivacaine with epinephrine hallux valgus correction ankle fracture Achilles tendon repair lesser toe correction subtalar fusion tibial reconstruction v v v   v   5
8 ml/hr. 0.2% ropivacine
  1. aJadad score; CPSNB Continuous popliteal sciatic nerve block, SPSNB Single-injection popliteal sciatic nerve block, N/A Not applicable
  2. Outcome measurement: a = VAS at 24 h, b = VAS at 48 h, c = VAS at 72 h, d = total amount of oral analgesics at 72 h, e = patient satisfaction, f = postoperative admission