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Postoperative spirometry and pain after balanced ultrasound-guided transversus abdominis plane (US-TAP) block or conventional systemic analgesia during laparoscopic cholecystectomy: a prospective randomized double-blinded trial

Postoperative spirometry and pain after balanced ultrasound-guided transversus abdominis plane (US-TAP) block or conventional systemic analgesia during laparoscopic cholecystectomy: a prospective randomized double-blinded trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20140811001
Enrollment
60
Registered
2014-08-11
Start date
2013-05-14
Completion date
Unknown
Last updated
2026-03-30

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

Conditions

Postoperative spirometry and pain after US&#45

Interventions

undergo general anesthesia with US&#45
TAP block with saline injection&#44
20 ml each at the left and the right&#44
a total of 40 ml (Group Control&#44
n = 30),undergo general anesthesia with US&#45
TAP block with 0.25% levobupivacaine injection&#44
at a total of 40 ml (Group Treatment&#44

Sponsors

Department of Anesthesiology, Faculty of Medicine, Chulalongkorn university
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 65 Years

Inclusion criteria

Inclusion criteria: ASA physical status I II male and female adult patients between the ages of 20 65 whom be scheduled undergoing laparoscopic cholecystectomy under general anesthesia

Exclusion criteria

Exclusion criteria: 1 a history of relevant local anesthetics NSAIDS allergy 2 opioids addiction 3 coagulation disorder Pulmonary disease 4 infection at the needle insertion site 5 BMI 30 kg m2

Design outcomes

Primary

MeasureTime frame
Postoperative spirometry parameters at the day before surgery and 2 hour after surgery FVC, FEV1 and PEFR

Secondary

MeasureTime frame
Postoperative spirometry parameters and pain score 3 hour, 6 hour, 1 day and 2 day after surgery FVC, FEV1 PEFR and NRS

Countries

bangkok

Contacts

Public ContactKongsak Techawibunphon
k_anescu@hotmail.com0813613244

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026