Real-time ultrasound-guided retrobulbar block vs blind technique for cataract surgery (pilot study)

Figures & data

Figure 1 Patient flowchart.

Table 1 Age, sex and axial length

Parameter	Group A (n=14)	Group B (n=15)	P-value
Age (years)	58.2±8.1	59.5±8.1	0.6712
Sex
Male	60%	53%	0.7513
Female	40%	47%
Axial length (mm)	24.1±1.5	24.5±1.9	0.5435

Note: Data are expressed as mean ± SD and percentage.

Table 2 Onset of action, total volume injected, augmentation required and NPR score

Parameter	Group A (n=14)	Group B (n=15)	P-value
Onset of action (min)	4.5±0.8	4.7±1.2	0.5469
Total volume injected (mL)	4.2±1.5	4.5±0.9	0.8438
Augmentation required (%)	3 (20%)	4 (27%)	0.7712
NPR score	1 (1)	1 (1)	0.9604

Note: Data expressed as mean ± SD and percentage.

Abbreviation: NPR, numeric pain rating score.

Table 3 Total complications, perforation, ecchymosis and subconjunctival Hge

Parameter	Group A (n=14)	Group B (n=15)	P-value
Total complications	2 (13%)	2 (13%)
Perforation	1 (6.5 %)	0
Ecchymosis	1 (6.5 %)	1 (6.5 %)
Subconjunctival Hge	0	1 (6.5 %)

Note: Data are expressed as percentage.

Abbreviation: Hge, hemorrhage.