Table 1 Characteristics of included trials comparing US-PNBs to systemic analgesia
| Â | Â | Â | Intervention | Control | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Author (year) | N | Site | Type of PNB | LA type and dose | Time from admission to surgery | Analgesic treatment | Sham- block | Time from admission to surgery | ||
Beaudoin [15] (2013) | 36 | USA | US-guided single shot FNB | 25 ml 0.5% bupivacaine | 480 (324-670) min (median, range) | iv. morphine | 3 ml saline sc. | 510 (341-704) min (median, range) | ||
Beaupre [16] (2020) | 73 | Canada | US-guided single shot FNB | 10 ml 1% ropivacaine + 5 ml 0.25% bupivacaine | 29.8 (14.3) hours | Unspecified standard care treatment | None | 26.8 (12.3) hours | ||
Diakomi [17] (2020) | 198 | Greece | US-guided single shot FICB | 40 ml 0.5% ropivacaine | No data | iv. 0.5 µg.kg-1 fentanyl as rescue | 2 ml saline in inguinal region | No data | ||
Dickman [18] (2010) | 64 | USA | US-guided single shot FNB or US-guided single shot FICB | 30 ml 0.25% bupivacaine | No data | One dose of iv. 0.1 mg.kg-1 morphine sulphate | None | No data | ||
Hao [19] (2019) | 90 | China | US-guided continuous FICB | 30 ml 0.45% ropivacaine | 29.49 (4.58) hours | 0.05 mg im. fentanyl at VAS ≥ 5 | Sham catheter (continuous saline infusion) | 29.81 (3.78) hours | ||
Jang [20] (2018) | 34 | South Korea | US-guided single shot FNB | 0.3 ml.kg-1 up to 20 ml 0.5% bupivacaine | Elective surgery after 48 hours | iv. tramadol | 3 ml saline sc. | Elective surgery after 48 hours | ||
Luger [21] (2012) | 20 | Austria | US-guided continuous FNB | 30 ml 0.25% bupivacaine | 26.8 (18.6) hours | iv. piritramide and PCM | None | 24.9 (1.7) hours | ||
Ma [22] (2018) | 88 | China | US-guided continuous FICB | 50 ml 0.4% ropivacaine | 3.27 (0.82) days | po. tramadol and PCM | None | 3.34 (0.89) days | ||
Morrison [23] (2016) | 161 | USA | US-guided single shot FNB | 20 ml 0.5% bupivacaine | 1.5 (0-4) days (mean, range) | po. and iv. standard care (opioids and PCM) | None | 1.4 (0-7) days (mean, range) | ||
Thompson [27] (2020) | 47 | USA | US-guided single shot FICB | 30 ml 0.25% ropivacaine | No data | PCM, tramadol or morphine according to VAS | None | No data | ||
Uysal [28] (2020) | 110 | Turkey | Dual-guided continuous FNB | 10 ml 0.25% bupivacaine | No data | iv. 15 mg.kg-1 PCM, 0.5 mg.kg-1 tramadol as rescue | None | No data | ||
Yamamoto [29] (2019) | 53 | Japan | US-guided single shot FICB | 40 ml 0.25% levobupivacaine | No data | iv. 1000 mg PCM at 6 and 12 hours post-op | None | No data | ||