Evidence map›Paper›PMID 40833481›Full record

ArticleGeneral thoracic and cardiovascular surgery2026

Impact of bilateral internal mammary artery grafting in patients with mildly decreased renal function.

Yu Hohri, Yanling Zhao, Paul Kurlansky, Iris Feng, Christine Yang, Gabriel Dardik, Kavya Rajesh, Hiroo Takayama, Craig R Smith, Koji Takeda

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in General thoracic and cardiovascular surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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

1 citing paper in PubMed.

  1. Article
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.

Yu HohriDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.ORCID http://orcid.org/0000-0003-0112-4278
Yanling ZhaoDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Paul KurlanskyDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Iris FengDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Christine YangDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Gabriel DardikDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Kavya RajeshDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Hiroo TakayamaDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Craig R SmithDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
Koji TakedaDivision of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA. kt2485@cumc.columbia.edu.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe effectiveness of bilateral internal mammary artery (BIMA) grafting during multivessel coronary artery bypass grafting (CABG) is uncertain in patients with mildly decreased renal function (glomerular filtration rate 60-89 ml/min/1.73 m

methodsWe analyzed 933 patients with mildly decreased renal function who underwent isolated primary CABG using BIMA (n = 454) or SIMA (n = 479) at our center. Patients receiving radial artery grafts or no IMA grafts were excluded. Inverse probability treatment weighting was used to create a well-balanced cohort. 6-year survival and the cumulative incidence of major adverse cardiac or cerebrovascular events (MACCE)-including death, stroke, myocardial infarction, revascularization, and rehospitalization-were assessed.

resultsThe median age of the entire cohort was 68.0 years (IQR 61.5-74.0). Median follow-up time was 4.63 years (IQR 4.46-4.82). In well-balanced cohort, BIMA group had a higher number of total distal anastomoses (P < 0.001), with similar rate of complete revascularization (P = 0.101). BIMA group had significantly higher 6-year survival compared to SIMA group (91.9% [87.7-96.3%]; 85.9% [81.7-90.2%]; P = 0.046), which was reconfirmed on multivariable Cox regression analysis (Hazard ratio: 0.505 [0.268-0.953], P = 0.035). MACCE incidence was significantly lower with BIMA (23.5% vs. 40.5%, P < 0.001).

conclusionAmong patients with mildly decreased renal function, the BIMA group was associated with longer survival and lower major adverse cardiac or cerebrovascular events after multivessel CABG.

Indexed as

Coronary Artery BypassCoronary Artery DiseaseGlomerular Filtration RateInternal Mammary-Coronary Artery AnastomosisKidneyKidney DiseasesAgedFemaleHumansMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeArterial revascularizationBilateral internal mammary arteryCoronary artery bypass graftingRenal dysfunctionSaphenous vein graft

Identifiers

PMID40833481

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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.