Evidence map›Paper›PMID 31920230›Full record

ArticleJournal of anaesthesiology, clinical pharmacology

Opioid-free anesthesia for breast cancer surgery: A comparison of ultrasound guided paravertebral and pectoral nerve blocks. A randomized controlled trial.

Swagata Tripathy, Indraprava Mandal, Parnandi Bhaskar Rao, Aparajita Panda, Tushar Mishra, Madhabananda Kar

Open access · diamondAbstract read
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Article in Journal of anaesthesiology, clinical pharmacology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 2 pooled it
4.9field-weighted citation impact, top 4% 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

13 citing papers in PubMed, 2 syntheses or guidelines pooled it, 32 citations in OpenAlex.

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  9. Post-operative pain following cardiac implantable electronic device implantation: insights from the BRUISE CONTROL trials.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2021
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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

6 authors at 1 institution in 1 country.

Swagata TripathyDepartment of Anesthesia and Intensive Care, AIIMS, Bhubaneswar, Odisha, India.
Indraprava MandalDepartment of Anesthesia and Intensive Care, AIIMS, Bhubaneswar, Odisha, India.
Parnandi Bhaskar RaoDepartment of Anesthesia and Intensive Care, AIIMS, Bhubaneswar, Odisha, India.
Aparajita PandaDepartment of Anesthesia and Intensive Care, AIIMS, Bhubaneswar, Odisha, India.
Tushar MishraDepartment of General Surgery, AIIMS, Bhubaneswar, Odisha, India.
Madhabananda KarDepartment of Onco Surgery, AIIMS, Bhubaneswar, Odisha, India.
All India Institute of Medical Sciences Bhubaneswar · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

aimsPectoral block (PECS)-based anesthesia without opioids decreases analgesic requirement, pain scores and post-operative nausea vomiting (PONV) compared to conventional opioid-based general anesthesia in patients undergoing modified radical mastectomy and axillary dissection (MRM-AD). We compared PECS versus Paravertebral Block (PVB) in providing an opioid free, nerve block-based regimen. Outcomes of interest were post-operative analgesic requirement, duration of analgesia, PONV and patient and surgeon satisfaction. MATERIAL AND

methodsThis randomised controlled study involved 58 adult ASA I-III patients posted for MRM-AD. After randomization patients were induced with propofol and maintained on spontaneous ventilation with isoflurane (0.8-1.0 MAC) through i-gel. Ultrasound-guided PECS or PV blocks (30 ml of 0.1% lignocaine + 0.25% bupivacaine + 1 μg/kg dexmedetomidine) were administered. Post-operative pain scores, non-opioid analgesic requirement over 24 hours, PONV, satisfaction of surgeon and patient were measured.

resultsBetween the two groups, there was no difference in demographics, ASA status, location and volume of breast tumour excised or the duration of surgery. The time from block to incision was significantly longer in the PV group (

conclusionBoth blocks result in equally prolonged analgesia and preclude requirement of opioid analgesics intra and post-operatively. PECS block is associated with lesser time to allow incision. Complications are low in both the groups. Routine use of these blocks to avoid opioids may be studied further.

Indexed as

Modified radical mastectomynerve blockopioid free anesthesiaparavertebral blockPECS block

Identifiers

PMID31920230
PMCPMC6939549
OpenAlexW2999287984

What OpenQuestion holds

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LicenceCC BY-NC-SA
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Registered trials

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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.