Evidence map›Paper›PMID 34269478›Full record

ArticleClinical cardiology2021

Predictors and 3-year outcomes of compromised left circumflex coronary artery after left main crossover stenting.

Hameed Ullah, Karim Elakabawi, Han Ke, Najeeb Ullah, Habib Ullah, Sardar Ali Shah, Hamad Haider Khan, Muhammad Asad Khan, Ning Guo, Zuyi Yuan

Open access · goldAbstract read
In one paragraph

Article in Clinical cardiology, 2021. 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
1.0field-weighted citation impact, top 24% 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, 6 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

10 authors at 6 institutions in 4 countries.

Hameed UllahDepartment of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.ORCID https://orcid.org/0000-0001-7394-1248
Karim ElakabawiDepartment of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.ORCID https://orcid.org/0000-0002-9421-2041
Han KeDepartment of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Najeeb UllahDepartment of Data Science (FIT), University of Monash, Molbourne, Australia.
Habib UllahDepartment of Cardiology, Dow University of health sciences, Karachi, Pakistan.
Sardar Ali ShahDepartment of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.ORCID https://orcid.org/0000-0003-4443-2967
Hamad Haider KhanDepartment of Endocrinology, Xi'an Jiaotong University, Xi'an, China.
Muhammad Asad KhanDepartment of Cardiology, Hayatabad Medical Complex, Peshawar, Pakistan.
Ning GuoDepartment of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Zuyi YuanDepartment of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
First Affiliated Hospital of Xi'an Jiaotong University · CNDow University of Health Sciences · PKBenha University · EGHayatabad Medical Complex · PKMonash University · AUXi'an Jiaotong University · CN

Funding

Clinical Research Award of the First Affiliated Hospital of Xi'an Jiaotong University, China XJTU1AF-CRF-2016-001Key project of Research and Development plan of Shaanxi Province of China 2017ZDCXL-SF-02-04-01National Key R&D program of China 2018YFC1311505
6 · The paper itself

Abstract

backgroundThere are few predictors of decreased fractional flow reserve (FFR) in the left circumflex coronary artery (LCx) after left main (LM) crossover stenting.

objectivesWe aimed to determine the predictors for low FFR at LCx and possible treatment strategies for compromised LCx, together with their long-term outcomes.

methodsAltogether, 563 patients who met the inclusion criteria were admitted to our hospital from February 2015 to November 2020 with significant distal LM bifurcation lesions. They underwent single-stent crossover percutaneous coronary intervention (PCI) under intravascular ultrasound (IVUS) guidance with further LCx intervention based on the measured FFR.

resultsThe patients showed significant angiographic LCx ostial affection post-LM stenting, but only 116 (20.6%) patients had FFR < 0.8. The three-year composite major adverse cardiac events (MACE) rates were comparable between the high and low FFR groups (16.8% vs. 15.5; p = 0.744). In a multivariate analysis, low FFR at the LCx was associated with post-stenting minimal luminal area (MLA) of LCx (odds ratio [OR]: 0.032, p < .001), post-stenting LCx plaque burden (OR: 1.166, p < .001), poststenting LM MLA (OR: 0.821, p = .038), and prestenting LCx MLA (OR: 0.371, p = .044). In the low FFR group, those with compromised LCx managed with drug-eluting balloon had the lowest three-year MACE rate (8.1%), as compared to either those undergoing kissing balloon inflation (KBI) (17.5%) or stenting (20.5%) (p = 0.299).

conclusionUnnecessary LCx interventions can be avoided with FFR-guided LCx intervention. Poststenting MLA and plaque burden of the LCx, and main vessel stent length are poststenting predictors of low FFR.

Indexed as

Coronary Artery DiseaseCoronary StenosisFractional Flow Reserve, MyocardialPercutaneous Coronary InterventionCoronary AngiographyCoronary VesselsHumansStentsTreatment OutcomeUltrasonography, Interventionalcompromised left circumflex arterydrug-eluting balloonfraction flow reserveintravascular ultrasoundleft main stempercutaneous interventions

Identifiers

PMID34269478
PMCPMC8495093
OpenAlexW3177568653

What OpenQuestion holds

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LicenceCC BY
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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.