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Comparison of transversus abdominis plane block continuous catheter infusion vs intermittent bolus dosing for postoperative pain relief in abdominal surgery.-Prospective randomised study.

Comparison Transversus abdominis plane block continuous catheter infusion vs intermittent bolus dosing for postoperative analgesia in abdominal surgery- Prospective randomized study.

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12614000639628
Enrollment
20
Registered
2014-06-17
Start date
2014-12-22
Completion date
2015-10-12
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

This prospective study 0f 20 patients.In both the groups Bilateral TAP catheters will be placed using an ultrasound guided approach post-operatively with the bolus dose of 20 ml of 0.5% Ropivacaine bilaterally. In post anaesthetic care unit (PACU) an infusion of Ropicavaine 0.2% will be administered @ 8ml/hr for 2 days in the Continuous group. Whereas in Intermittent group only bolus doses 20ml 0.2% ropivacaine will be administered by the Acute pain service personnell every 8 hrly for 48 hrs. Patients in both groups will be provided with Paracetamol 1 gram 4 times a day (orally or IV) and a Fentanyl PCA device (bolus 10 to 40 mcg; lockout time 5 min; no back-ground infusion) as part of a multimodal analgesic approach. The following parameters will be registered: Numerical Rating Scores for Pain (NRS-P; 0-10) at rest and on coughing in PACU at 0 and I hour and in the postoperative ward at 24 hrs, 48 hrs. Fentanyl use in PACU and postoperative ward on day 1 & day 2. Procedure related: material costs and other issues will be noted. Any rescue medication used. A 4 point ‘Likert’-scale will be used on day 2 and during a follow-up telephone call at one month to assess patient satisfaction with the analgesic technique used. discharge time and cost analysis will be assessed. All results will be recorded on a data collection sheet in a prospective fashion and subsequently entered in a protected database

Interventions

In the continous group under ultrasound guidance TAP block performed and catheter inserted,thru the catheter the anaesthetist boluses ropivacaine 0.5% 20ml on each side, followed by ropivacaine 0.2% infusion @ 8ml/hr each side in recovery room till 48hrs. whereas in Intermittent group with same technique and same bolus dose as other gp but subsequent bolus of 0.2% ropivacaine 20ml each side delivered by pain service team at 8hours intervel till 48hrs. Patients in both groups will be provided wit

In the continous group under ultrasound guidance TAP block performed and catheter inserted,thru the catheter the anaesthetist boluses ropivacaine 0.5% 20ml on each side, followed by ropivacaine 0.2% infusion @ 8ml/hr each side in recovery room till 48hrs. whereas in Intermittent group with same technique and same bolus dose as other gp but subsequent bolus of 0.2% ropivacaine 20ml each side delivered by pain service team at 8hours intervel till 48hrs. Patients in both groups will be provided with Paracetamol 1 gram 4 times a day (orally or IV) and a Fentanyl PCA device (bolus 10 to 40 mcg; lockout time 5 min; no back-ground infusion) as part of a multimodal analgesic approach

Sponsors

The Queen Elizabeth hospital
Lead SponsorHospital

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Prevention
Masking
Blinded (masking used) (Subject, Investigator)

Eligibility

Sex/Gender
All
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

Inclusion Criteria: Elective abdominal surgery Between 18 and 85 years of age ASA less then 4 Adequate English language skills

Exclusion criteria

Emergency surgery Allergy to local anaesthetic Pregnancy On regular opioid medication prior to surgery Mental handicap or psychiatric condition precluding adequate communication

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026