Comparison of Analgesic Effect Between Erector Spinae Plane Block and Transversus Abdominis Plane Block After Elective Cesarean Section: A Prospective Randomized Single-Blind Controlled Study

Figures & data

Figure 1 Consort flow diagram of the study population.

Table 1 The Parturients Characteristics

Variable	ESP (N=30)		TAP (N=30)		P-value
	Mean	SD	Mean	SD
Age (years)	27.1	6	28.9	5.5	0.221
BW (kg)	91.9	8.4	89.5	11.6	0.363
Spinal level before block Median (IQR)	8.5	(8–10)	8	(6–10)	0.116
Variable	N	%	N	%	P-value
Parity
Primipara	4	13.3%	2	6.7%	0.671
Multipara	26	86.7%	28	93.3%

Note: Variables are reported as mean ± SD or Number and percent.

Abbreviations: ESP, erector spinae plane; TAP, transversus abdominis plane; BW, body weight; N, number; IQR, interquartile range.

Table 2 Comparison of the Duration of the Block of the Two Groups

	ESP (N=30)			TAP (N=30)			P-value
	Median	IQR		Median	IQR
Duration of the block (hours)	12	10	14	8	8	8	<0.0001*
Total tramadol consumption (mg)	100	75	100	125	100	150	0.003*

Note: *Statistically significant.

Abbreviations: ESP, Erector Spinae plane; TAP, transversus abdominis plane; N, number; IQR, interquartile range.

Figure 2 The time for first analgesic request.

Table 3 Comparison of the VAS Score at Rest and with Cough Between the Groups

		ESP (N=30)			TAP (N=30)			P-value
		Median	IQR		Median	IQR
VAS at PACU	At rest	2	2	3	2	2	3	0.699
	With cough	3	3	4	3	3	4	0.699
VAS at 4h	At rest	3	3	4	3	3	4	0.506
	With cough	4	4	5	4	4	5	0.813
VAS at 8h	At rest	4	4	5	6	5	6	<0.0001*
	With cough	5	5	5	7	6	7	<0.0001*
VAS at 12h	At rest	6	5	6	7	6	7	<0.0001*
	With cough	7	6	7	8	7	8	<0.0001*
VAS at 24h	At rest	6	6	6	6	6	7	0.723
	With cough	7	7	7	7	7	8	0.723

Notes: *Statistically significant.

Abbreviations: ESP, erector spinae plane; TAP, transversus abdominis plane; N, number; IQR, interquartile range; VAS, visual analogue score; PACU, post anesthetic care unit.

Figure 3 VAS score at rest and with cough.

Table 4 Patient Satisfaction

Patients Satisfaction	ESP (N=30)		TAP (N=30)		P-value
Poor	3	10.0%	6	20.0%	0.060
Good	10	33.3%	16	53.3%
Excellent	17	56.7%	8	26.7%

Note: All variables are reported as Numbers and percent.

Abbreviations: ESP, erector spinae plane; TAP, transversus abdominis plane; N, number.