Evidence map›Paper›PMID 32297054›Full record

Trial reportSurgical endoscopy2021

Laparoscopically guided transversus abdominis plane block offers better pain relief after laparoscopic cholecystectomy: results of a triple blind randomized controlled trial.

Anubhav Vindal, Hitesh Sarda, Pawanindra Lal

Abstract readRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Surgical endoscopy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 4 pooled it
3.7field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 4 syntheses or guidelines pooled it, 31 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Anubhav VindalDivision of Minimal Access Surgery, Department of Surgery, Maulana Azad Medical College (University of Delhi), New Delhi, India. avindal.mamc@gmail.com.
Hitesh SardaDivision of Minimal Access Surgery, Department of Surgery, Maulana Azad Medical College (University of Delhi), New Delhi, India.
Pawanindra LalDivision of Minimal Access Surgery, Department of Surgery, Maulana Azad Medical College (University of Delhi), New Delhi, India.
Maulana Azad Medical College · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTransversus abdominis plane (TAP) block is a regional anaesthetic technique providing analgesia to the parietal peritoneum, muscles and skin of the anterior abdominal wall innervated by somatic nerves T6 to L1. We present the results of our randomized triple blind study comparing laparoscopically guided TAP block with the commonly used port site local anaesthetic infiltration for pain relief after laparoscopic cholecystectomy.

methodsA hundred patients with symptomatic gallstones planned for laparoscopic cholecystectomy were randomized into two groups of TAP block and port site infiltration. Group A received 4-quadrant TAP block with 10 ml of 0.25% bupivacaine at each of the four sites guided laparoscopically and port site infiltration with 10 ml of normal saline at each of the 4 ports for blinding the surgeon. Group B received port site infiltration with 0.25% bupivacaine, and infiltration with normal saline at TAP block sites for blinding the surgeon. Post-operative pain (at 3, 6, 24 h and 1-week post-operative) (VAS), time to return to activities of daily living and patient satisfaction (Capuzzo Score) were recorded by an observer blinded towards the groups of the patients.

resultsThe median VAS at 3, 6, 24 h, at discharge, and 1-week post-operative were lesser in Group A compared to Group B (p ≤ 0.001 for all). The median duration of hospital stay was also lesser in Group A compared to Group B (p = 0.48, not significant) as was the time to return to activities (p < 0.05). The median Capuzzo score was higher in Group A compared to Group B (p < 0.001).

conclusionThis study shows that laparoscopically guided TAP block is a safe and easy-to-use technique. It reduces the severity of post-operative pain, helps in quick recovery, early discharge and improved patient satisfaction after laparoscopic cholecystectomy. Clinical Trials Registry of India 020227.

Indexed as

LaparoscopyNerve BlockAbdominal MusclesActivities of Daily LivingAdultBupivacaineCholecystectomy, LaparoscopicFemaleHumansMaleMiddle AgedPatient SatisfactionPostoperative PainVisual Analog ScaleBupivacaineLaparoscopic cholecystectomyPain reliefTAP blockVAS

Identifiers

PMID32297054
OpenAlexW3016437480

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.