Ultrasound Guided Stellate Ganglion Block in Postmastectomy Pain Syndrome: A Comparison of Ketamine versus Morphine as Adjuvant to Bupivacaine

Table 5

Abduction movement before and after injections among the three studied groups using goniometry measured by degree (°).

Range of motion (𝑛=59)	Group 1	Group 2	Group 3
	(𝑛=20)	(𝑛=19)	(𝑛=20)
Abduction before injection	89±18	90.5±12.2	89.5±19.5
Abduction after the 1st injection	119.5±17.6	125.8±9.6	121±15.8
Abduction after the 2nd injection	124.5±12.7	126.6±9.4	127±14
Abduction after the 3rd injection	128±18.8	128.4±8.9	128±8.9