Evidence map›Paper›PMID 32275031›Full record

Trial reportAnnals of cardiac anaesthesia

Combined effect of left stellate ganglion blockade and topical administration of papaverine on left internal thoracic artery blood flow in patients undergoing coronary revascularization.

Roshith Chandran, Rupa Sreedhar, Shrinivas Gadhinglajkar, Prashantkumar Dash, Jayakumar Karunakaran, Vivek Pillai

Open access · diamondAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Annals of cardiac anaesthesia. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.6field-weighted citation impact, top 30% 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

4 citing papers in PubMed, 9 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. In reply.Annals of cardiac anaesthesia
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 2 countries.

Roshith ChandranDepartment of Cardiac Anaesthesia, Freeman Hospital, Newcastle Upon Tyne, UK.
Rupa SreedharDepartment of Anesthesia, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Shrinivas GadhinglajkarDepartment of Anesthesia, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Prashantkumar DashDepartment of Anesthesia, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Jayakumar KarunakaranDepartment of CVTS, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Vivek PillaiDepartment of CVTS, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Sree Chitra Thirunal Institute for Medical Sciences and Technology · INFreeman Hospital · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Left stellate ganglion blockade (LSGB) may have additive effect to topical administration of papaverine on prevention of vasospasm of left internal thoracic artery (LITA). Aims: This study aims to compare LITA blood flow with topical application of papaverine alone or in combination with LSGB. Setting: Tertiary care hospital. Design: Prospective randomized controlled study. Materials and Methods: A total of 100 patients operated for coronary revascularization were randomly and equally allocated into two groups. In control Group-C, papaverine was applied topically during the dissection of LITA. In Group-S, the additional LSGB was performed. Blood flow was measured from cut end of the LITA for 15 s. Primary objectives of the evaluation were to observe differences in the LITA blood flow. Observing incidence of radial-femoral arterial pressure difference after cardiopulmonary bypass (CPB) was secondary objective. Statistical Analysis: Student's unpaired t-test and Fisher's exact test to find out a significant difference between the groups. Results: LITA flow in Group-S was insignificantly more (49.28 ± 7.88 ml/min) than Group-C (47.12 ± 7.24 ml/min), (P = 0.15). Radio-femoral arterial pressure difference remained low for 40 min after termination of CPB in the Group-S compared to the Group-C (-0.99 ± 1.85 vs. -1.92 ± 2.26). Conclusion: Combining LSGB with papaverine does not increase the LITA blood flow compared to when the papaverine is used alone. However, ganglion blockade reduces radial-femoral arterial pressure difference after CPB. Blockade can be achieved successfully under the ultrasound guidance without any complications.

Indexed as

Stellate GanglionAdministration, TopicalAdultAgedBlood Flow VelocityCardiopulmonary BypassCoronary Artery BypassCoronary CirculationFemaleHumansMaleMammary ArteriesMiddle AgedNerve BlockPapaverineProspective StudiesPapaverineVasodilator AgentsCardiopulmonary bypasscoronary artery bypass graftingfemoral arteryinternal thoracic arterystellate ganglion block

Identifiers

PMID32275031
PMCPMC7336979
OpenAlexW3015429320

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.