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

Table 6

Internal and external rotation before and after injections among three studied groups using goniometrymeasured by degree (°).

Range of motion (𝑛=59)	Group 1	Group 2	Group 3
	(𝑛=20)	(𝑛=19)	(𝑛=20)
Internal rotation before injection	59.5±13.1	56.5±8.3	57.5±15.2
Internal rotation after the 1st injection	75±16.4	79.4±9.11	73.5±12.2
Internal rotation after the 2nd injection	78.2±12.4	83.6±6.8	81±12
Internal rotation after the 3rd injection	81.5±12.6	85.3±6.1	84.2±10.2
External rotation before injection	68±11.5	67.9±7.8	70.5±12.2
External rotation after the 1st injection	79±11.2	80±8.8	82.1±8.5
External rotation after the 2nd injection	83±10.3	84.2±7.6	86.3±6.8
External rotation after the 3rd injection	84.5±8.2	87.6±4.2	87.8±4.1