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Efficacy of continuous infusion of lidocaine through urinary catheter for postoperative analgesia in patients undergoing urological surgery / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12): 580-583, 2021.
Article in Chinese | WPRIM | ID: wpr-911239
ABSTRACT

Objective:

To evaluate the efficacy of continuous infusion of lidocaine via urinary catheter for postoperative analgesia in patients undergoing urological surgery.

Methods:

Forty male American Society of Anesthesiologists physical status Ⅱ or Ⅲ patients, aged 65-75 yr, with body mass index of 18-25 kg/m 2, scheduled for elective percutaneous nephrolithotomy, were divided into 2 groups ( n=20 each) using a random number table

method:

continuous infusion of lidocaine through urinary catheter group (group L) and patient controlled intravenous analgesia (PCIA) group (group PCIA). All the patients underwent total intravenous anesthesia, and a matched type of sterile urethral irrigation catheter was inserted after the operation.In group L, 0.5% lidocaine was continuously infused at a rate of 5 ml/h via the urinary catheter, while the equal volume of 0.9% normal saline was continuously infused via the urinary catheter, and PCIA was connected in group PCIA.PCIA solution contained sufentanil 125 μg (diluted to 250 ml in normal saline), and the PCA pump was set up with a 5 ml bolus dose, a 15 min lockout interval and background infusion at a rate of 5 ml/h.When visual analogue score was>4, sufentanil 0.05 μg/kg was injected intravenously as rescue analgesic.The development and severity of catheter-related bladder discomfort (CRBD) were recorded immediately at the end of the operation (T 1), and at 6 h (T 2), 24 h (T 3) and 48 h (T 4) after the operation, respectively.Riker sedation-agitation scale (SAS) score was recorded at T 1, 2, and QoR-9 scale was recorded at T 3, 4.The concentrations of serum cortisol (Cor), norepinephrine (NE), epinephrine (E) and blood glucose (Glu) were measured by enzyme linked immunosorbent assay.First off-bed time, exhaust time, length of hospital stay after surgery, and the requirement for rescue analgesia and adverse reactions (nausea and vomiting, respiratory depression, hypotension, skin itching) within 48 h after the operation were recorded.

Results:

Compared with group PCIA, the incidence of CRBD and the severity were significantly decreased at T 1-4, SAS score was decreased at T 1, 2, QoR-9 score was increased at T 3, 4, Cor, NE, E and Glu concentrations were decreased at T 1-4, the incidence of postoperative rescue analgesia was decreased, first off-bed time, exhaust time and length of hospital stay after surgery was shortened, and the incidence of postoperative nausea and vomiting, respiratory depression, hypotension, skin itching was decreased in group L ( P<0.05).

Conclusion:

Continuous infusion of lidocaine through the urinary catheter can provide good postoperative analgesia, reduce postoperative stress response and adverse reactions, and facilitate early postoperative recovery in patients undergoing urological surgery.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Anesthesiology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Anesthesiology Year: 2021 Type: Article