Impact of Peripheral Nerve Block Technique on Incidence of Phrenic Nerve Palsy in Shoulder Surgery

Table 3

Summary of data from studies of the suprascapular nerve block (n = 9).

Study	Approach	n	Combination	Local anaesthetic			HDP diagnostic method	Total HDP incidence (%)	Change in ipsilateral HD excursion (%)	FEV1 reduction (%)	FVC reduction (%)
				Type	Volume (mL)	Concentration (%)
Trabelsi et al. [68]	Posterior	30	SCB (15 mL of bupivacaine 0.25%)	Bupivacaine	15	0.250	Symptoms	0.0
Aliste et al. [67]	Posterior	20	ICB (10 mL levobupivacaine 0.25%), +epinephrine 5 g/mL	Levobupivacaine	10	0.250	US	0.0
Auyong et al. [82]	Anterior	63	N	Ropivacaine	15	0.500	US, PFTs			13.0	10.0
Gianesello [83]	Anterior	19	ICB (levobupivacaine 0.5% 10 ml)	Levobupivacaine	10	0.500	PFTs			0.0	0.0
Taha et al. [84]	Anterior	36	N	Ropivacaine	25	0.500	US	5.6		0.0
Ferré et al. [62]	Anterior	42	AXNB (10 mL 0.375% ropivacaine + 2 mg dexamethasone)	Ropivacaine	10	0.375	US	40.0	−17.20
	Posterior	41	AXNB (10 mL 0.375% ropivacaine + 2 mg dexamethasone)	Ropivacaine	10	0.375	US	2.0	−3.60
Lim et al. [85]	Anterior	20	N	Ropivacaine	15	0.500	US, PFTs		−1.80	7.0	3.6
	Posterior	20	N	Ropivacaine	15	0.500	US, PFTs		−1.20	5.3	6.8
Petroff et al. [86]	Anterior	24	N	Ropivacaine	10	1.000	US		−7.69
Rhyner et al. [87]	Anterior	15	AXNB (10 ml bupivacaine 0.5%/adrenaline 1 : 200,000)	Bupivacaine	10	0.500	US, PFTs		−10.00	5.3	2.4

HD, hemidiaphragm; SCB, supraclavicular block; ICB, infraclavicular block.