Erector Spinae Plane Block Versus Transversus Abdominis Plane Block In Laparoscopic Hysterectomy

Figures & data

Figure 1. Consolidated Standards of Reporting Trials diagram.

ESP: Erector spinae plane; TAP: Transversus abdominis plane.

Table 1. Patient demographics.

Variable	Total (n = 78)	TAP (n = 39)	ESP (n = 38)	p-value
Age (year)
Mean (SE)	44.9 (1.3)	42.7 (1.8)	47.1 (1.9)	0.09
Median (range)	44 (19–73)	42 (19–73)	48 (22–73)
BMI (kg/m^2)
Mean (SE)	30.7 (0.6)	31 (0.9)	30.3 (0.9)	0.55
Median (range)	30.6 (18.8–39.5)	31 (18.8–38.4)	29.9 (21.4–39.5)
Duration of surgery (min)
Mean (SE)	155.2 (7.2)	161.5 (11.8)	149 (8.2)	0.66
Median (range)	136 (67–447)	141 (67–447)	130 (76–283)

ESP: Erector spinae plane; SE: Standard error; TAP: Transversus abdominis plane.

Table 2. Mean and median pain scores at rest at 1, 24 and 48 h.

	Total	TAP	ESP	p-value
1 h
Mean (SE)	2.9 (0.3)	3 (0.4)	2.8 (0.5)	0.37
Median (range)	3 (0–10)	3 (0–9)	2 (0–10)
24 h
Mean (SE)	2.9 (0.3)	2.8 (0.4)	3 (0.4)	0.66
Median (range)	2 (0–9)	2 (0–9)	3 (0–9)
48 h
Mean (SE)	2 (0.2)	2 (0.3)	2.1 (0.4)	0.88
Median (range)	2 (0–9)	2 (0–9)	1 (0–8)

ESP: Erector spinae plane; SE: Standard error; TAP: Transversus abdominis plane.

Table 3. Mean and median pain scores with movement at 1, 24 and 48 h.

	Total	TAP	ESP	p-value
1 h
Mean (SE)	3.2 (0.3)	3.5 (0.4)	3 (0.5)	0.26
Median (range)	3 (0–10)	4 (0–9)	2 (0–10)
24 h
Mean (SE)	4.2 (0.3)	4.1 (0.4)	4.3 (0.4)	0.75
Median (range)	4 (0–10)	4 (0–10)	4 (0–10)
48 h
Mean (SE)	3.3 (0.3)	3.2 (0.3)	3.4 (0.4)	0.99
Median (range)	3 (0–9)	3 (0–8)	3 (0–9)

ESP: Erector spinae plane; SE: Standard error; TAP: Transversus abdominis plane.

Figure 2. Numeric rating scale (0–10) for pain scores at rest and during movement.

There were no statistically significant differences between the groups either at rest or with movement.

ESP: Erector spinae plane; IQR: Interquartile range; TAP: Transversus abdominis plane.

Table 4. Opioid usage converted to oral morphine milligram equivalent dose at 1, 24 and 48 h.

	Total	TAP	ESP	p-value
1 h
Mean (SE)	6.7 (1.1)	7.1 (1.5)	6.3 (1.6)	0.42
Median (range)	0 (0–40)	4 (0–40)	0 (0–32)
24 h
Mean (SE)	15.4 (1.8)	17.3 (2.6)	13.3 (2.5)	0.20
Median (range)	8 (0–60)	15 (0–60)	7.5 (0–56.5)
48 h
Mean (SE)	10.4 (1.8)	9.9 (2)	10.9 (3.2)	0.47
Median (range)	7.5 (0–95)	7.5 (0–45)	0 (0–95)

ESP: Erector spinae plane; SE: Standard error; TAP: Transversus abdominis plane.

Table 5. Sedation scores assessed at 1, 24 and 48 h.

	Total (%)	TAP (%)	ESP (%)	p-value
1 h
Sleep	30 (38.96)	15 (38.46)	15 (39.47)	> 0.99
Awake	47 (61.04)	24 (61.54)	23 (60.53)
24 h
Sleep	3 (4)	1 (2.56)	2 (5.56)	0.60
Awake	72 (96)	38 (97.44)	34 (94.44)
48 h
Sleep	1 (1.35)	1 (2.56)	0 (0)	> 0.99
Awake	73 (98.65)	38 (97.44)	35 (100)

ESP: Erector spinae plane; TAP: Transversus abdominis plane.

Table 6. Nausea scores assessed at 1, 24 and 48 h.

	Total (%)	TAP (%)	ESP (%)	p-value
1 h
Yes	11 (14.29)	6 (15.38)	5 (13.16)	> 0.99
No	66 (85.71)	33 (84.62)	33 (86.84)
24 h
Yes	18 (24)	7 (17.95)	11 (30.56)	0.28
No	57 (76)	32 (82.05)	25 (69.44)
48 h
Yes	9 (12.16)	7 (17.95)	2 (5.71)	0.16
No	65 (87.84)	32 (82.05)	33 (94.29)

ESP: Erector spinae plane; TAP: Transversus abdominis plane.

Table 7. Patient satisfaction scores assessed at 1, 24 and 48 h.

	Total	TAP	ESP	p-value
24 h
Mean (SE)	3.7 (0.1)	3.6 (0.1)	3.7 (0.1)	0.72
Median (range)	4 (0–4)	4 (0–4)	4 (2–4)
48 h
Mean (SE)	3.7 (0.1)	3.7 (0.1)	3.7 (0.1)	0.80
Median (range)	4 (2–4)	4 (2–4)	4 (2–4)

ESP: Erector spinae plane; SE: Standard error; TAP: Transversus abdominis plane.

Figure 3. Percentage (0–80%) for opioid consumption between groups at different time points post-procedure.

ESP: Erector spinae plane; MME: Morphine milligram equivalent; TAP: Transversus abdominis plane.

Data sharing statement

The authors certify that this manuscript reports original clinical trial data. Individual, de-identified data will not be made publicly available. All data collected including pain scores, opioid usage, nausea and sedation scores have been made available at clinicaltrials.gov. The institutional review board protocol and statistical analysis documents are also available at clinicaltrials.gov.