Abstract

JACC

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TCTAP A-020 . Presentation

Presenter

Oyunkhand Buyankhishig

Authors

Batmyagmar Khuyag1, Oyunkhand Buyankhishig1, Bum-Erdene Batbayar2, Surenjav Chimed3, Lkhagvasuren Zundui4

Affiliation

Intermed Hospital, Mongolia1, First State Central Hospital, Mongolia2, Leiden University Medical Center, Netherlands3, The State Third Central Hospital, Mongolia4
View Study Report
TCTAP A-020
Bifurcation/Left Main Diseases and Intervention

Prognostic Impact of Residual SYNTAX Score After Successful Percutaneous Coronary Intervention of Left Main Coronary Artery Bifurcational Stenosis

Batmyagmar Khuyag1, Oyunkhand Buyankhishig1, Bum-Erdene Batbayar2, Surenjav Chimed3, Lkhagvasuren Zundui4

Intermed Hospital, Mongolia1, First State Central Hospital, Mongolia2, Leiden University Medical Center, Netherlands3, The State Third Central Hospital, Mongolia4

Background

Left main coronary artery (LMCA) bifurcational stenosis is considered as a complex coronary artery disease (CAD) and successful percutaneous coronary intervention (PCI) ofLM bifurcational stenosis could substantially decrease total SYNTAX score. However, the impact of residual SYNTAX score after successful PCI of LMbifurcational stenosis on long-term patient prognosis is unknown.

Methods

We chose patients with LMCA bifurcational stenosis who successfully treated by PCI. SYNTAX score was calculated before and after PCI. Cox proportional hazard regression analysis and Kaplan-Meier curve were used to estimate the relationship between residual SYNTAX score and all-cause mortality after PCI of LM bifurcational stenosis. 

Results

A total of 78 patients with LM bifurcational stenosis were chosen (mean age60±11, 81% male). Pre-procedural median SYNTAX score was significantly decreased after successful PCI of LMCA bifurcational stenosis (28±9.2 vs. 2±3.1,p<0.001). After adjustment of age, gender, and Medina classification, post-procedural residual SYNTAX score was not associated with all-cause mortality in the long term (HR=1.01, 95% CI 0.82-1.25, p=0.918). Also Kaplan-Meier curve estimation didn’t show a significant difference between patients with residual SYNTAX score 0 and ≥ 1 (Figure 1). 

Conclusion

Successful PCI of LMCA bifurcational stenosis substantially decreases total SYNTAX score. Residual SYNTAX score after PCI of LMCA bifurcational stenosis is not related to long-term patient prognosis.

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TCTAP 2021 Virtual Apr 12, 2021
It’s very well organized. Thanks for sharing!