Preperitoneal catheter analgesia is an effective method for pain management after colorectal surgery: the results of 100 consecutive patients

Figures & data

Table 1 Demographics and surgical characteristics

Age (years)	59.6±1.95
Sex (F/M)	29/71
BMI (kg/m^2)	26.8±1.16
Diagnosis
Colon cancer	31
Rectum cancer	52
Benign disease	17
ASA score I/II/III/IV	42/49/4/3
Elective/emergency	93/7
Incision length (>25 cm)	48
Operative time (minutes)	118, 15±3, 63

Abbreviations: F, female; M, male; BMI, body mass index; ASA, American Society of Anesthesiologists.

Table 2 Pain scores and features of additional analgesics

	All patients (n=100)	After rectum resection (n=55)	After colon resection (n=45)
VAS 0 hours	4 (0–6)	4 (0–6)	3 (0–6)
VAS 1 hour	3 (0–9)	4 (0–9)	3 (0–8)
VAS 4 hours	2 (0–8)	3 (0–8)	1 (0–6)
VAS 12 hours	1 (0–8)	1 (0–8)	1 (0–5)
VAS 24 hours	1 (0–6)	1 (0–5)	1 (0–6)
VAS 48 hours	0 (0–6)	0 (0–3)	0 (0–6)
VAS 72 hours	0 (0–3)	0 (0–2)	0 (0–3)

Notes: Nonsteroidal anti-inflammatory drug consumption (mg), 6.70±1.18 (34 patients); opioid consumption (mg) 1.76±0.78 (13 patients). Numbers in the brackets refer to the minimum and maximum VAS values at the specific hour.

Abbreviation: VAS, visual analog scale.

Table 3 Clinical features and morbidity

Gas discharge*		52.04±2.07 hours
Stool discharge*		81.13±3.33 hours
Oral intake*		74.37±2.96 hours
Morbidity
Nausea	11%
Vomiting	2%
SSI	8%
Respiratory	8%

Note:

* Postoperative hours.

Abbreviation: SSI, surgical site infection.