Pain Control after Total Knee Arthroplasty: Comparing Intra-Articular Local Anesthetic Injection with Femoral Nerve Block
Table 1
Comparison of demographic and clinical data between IALA and FNB group.
IALA group ()
FNB group ()
value
Gender (male/female)
9/30
7/48
0.266
Age (y), mean (SD)
68.41 (9.46)
70.64 (8.00)
0.221
BMI (kg/m2), mean (SD)
28.88 (7.12)
28.05 (3.88)
0.596
ASA physical status
0.076
I
3 (7.7)
0 (0)
II
16 (41.0)
30 (54.5)
III
20 (51.3)
25 (45.5)
Comorbidities
Pulmonary disease (%)
0 (0)
4 (7.3)
0.139
Cardiovascular disease (%)
22 (56.4)
38 (69.1)
0.267
Liver disease (%)
5 (12.8)
12 (21.8)
0.293
Renal disease (%)
1 (2.6)
0 (0)
0.415
Gastrointestinal disease (%)
10 (47.6)
47 (85.5)
<0.001
Surgical approach
Medial parapatellar
39 (100)
55 (100)
N.A.
Implanted prosthesis
Tricompartment
39 (100)
55 (100)
N.A.
Prosthesis manufacturer
Zimmer
39 (100)
55 (100)
N.A.
Intraoperative (mg)
16.28 (3.58)
18.19 (4.92)
0.037
Intraoperative opioidsBW (mg/kg)
0.24 ± 0.05
0.29 ± 0.08
0.0018
Categorical data were analyzed using Fisher’s exact test. Continuous data were analyzed using -test. BMI: body mass index. BW: body weight. ASA: American Society Anesthesiologist. into i.v. equivalent dose of morphine.