Does the Addition of Tramadol and Ketamine to Ropivacaine Prolong the Axillary Brachial Plexus Block?

Table 4

Onset and duration of anesthesia and analgesia after axillary block.

	Group R; 𝑛=12	Group RT; 𝑛=12	Group RK; 𝑛=12
Onset of sensorial block (min)	9.55±0.34	8.17±0.33^∗	9.85±0.41
Onset of motor block (min)	10.8±0.38	9.3±0.28^∗	11.1±0.43
Duration of sensorial block (h)	13.6±0.40	14.90±0.33^∗	13.6±0.30
Duration of motor block (h)	13.60±0.30	15.8±0.41^∗	13.74±0.33
Duration of analgesia (h)	21.6±0.40	24.90±0.33^∗	22.6±0.30

∗Means 𝑃≤0.05 and statistically significant.