Clinical application of ultrasound-guided surgical puncture and drainage in early treatment of pyogenic liver abscess

Table 1 General characteristics, mean ± SD/n (%)

Patient	n = 143
Age, (year)	58.1 ± 14.2 (18-87)
Sex
Male	76 (53.1)
Female	67 (46.9)
Biliary calculus	24 (16.8)
Biliary malignancies	7 (4.9)
Abscess diameter (cm)	7.2 ± 2.5
Abscess location
Left liver	42 (29.4)
Right liver	99 (69.2)
Caudal lobe	2 (1.4)
Abscess liquefaction status
Non-liquefied	59 (41.3)
Liquefied	84 (58.7)

Table 2 Clinical outcomes, mean ± SD/n (%)

Result	n = 143
Puncture success rate (%)	99.3
Puncture duration (minute)	11.3 ± 5.4
Time to fever resolution (days)	1.9 ± 1.2
Time for neutrophil count to return to normal (days)	2.4 ± 0.8
Postoperative hospital stay (days)	2.9 ± 2.8
Time for abscess reduction by more than 50% (days)	7.1 ± 3.3
Bacterial culture
Positive	103 (72)
Klebsiella pneumoniae	78 (75.7)
Escherichia coli	22 (15.3)
Other	3 (2.1)
Negative	40 (28)
Intraoperative complications
Catheterization failure	1 (0.7)
Postoperative complication
Catheter dislodgement	3 (2.1)
Septic shock	5 (3.5)

Table 3 Comparison of clinical outcomes between non-liquefied and liquefied abscesses, mean ± SD/n (%)

Patient	Non-liquefied group (n = 59)	Liquefied group (n = 84)	t/χ2 value	P value
Puncture success rate	58 (98.3)	84 (100)	1.434	0.924
Postoperative hospital stay (days)	3.9 ± 1.8	5.1 ± 2.7	-2.903	0.004
Time to fever resolution (days)	2.4 ± 1.1	4.9 ± 2.2	-7.935	0.000
Time for abscess reduction by more than 50% (days)	4.7 ± 1.5	8.6 ± 3.3	-8.445	0.000
Time for neutrophil count to return to normal (days)	1.5 ± 1.26	1.9 ± 1.85	0.478	0.633
Perioperative complications	2 (3.4)	6 (7.1)	0.924	0.470