Continuous Femoral Nerve Block versus Intravenous Patient Controlled Analgesia for Knee Mobility and Long-Term Pain in Patients Receiving Total Knee Replacement: A Randomized Controlled Trial
Table 7
Adverse events related to patient controlled analgesia#.
Adverse events
CFNB ()
PCIA ()
value
PCA period
Incomplete analgesia
In motion
9 (7.08)
21 (17.07)
0.015*
At rest
0 (0)
0 (0)
—
Oversedation
2 (1.57)
5 (4.06)
0.275
Nausea and vomiting
3 (2.36)
4 (3.25)
0.719
Respiratory depression
0 (0)
2 (1.62)
0.149
Muscle weakness
4 (3.14)
1 (0.81)
0.370
Catheter thrombosis
0 (0)
0 (0)
—
Catheter dropout
0 (0)
0 (0)
—
Local hematoma
0 (0)
0 (0)
—
Local infection
0 (0)
0 (0)
—
Non-PCA period
Incomplete analgesia
15 (11.8)
25 (20.3)
0.066
Oversedation
0 (0)
0 (0)
—
Nausea and vomiting
1 (0.78)
0 (0)
1.000
Respiratory depression
0 (0)
0 (0)
—
For events less than 5 in both groups, Fisher’s exact test was used; the rest were compared using chi-square test, value <0.05.
