Prognostic Impact of High-Sensitivity C-Reactive Protein in Patients Undergoing Percutaneous Coronary Intervention According to BMI

Niklas Beyhoff, Davide Cao, Roxana Mehran, George Dangas, Usman Baber, Samantha Sartori, Moritz Blum, Anastasios Roumeliotis, Rishi Chandiramani, Ridhima Goel, Zhongjie Zhang, Jason Kovacic, Prakash Krishnan, Nitin Barman, Vishal Kapur, Joseph Sweeny, Samin K. Sharma, Annapoorna Kini

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Objectives: The aim of this study was to determine the prevalence and prognostic implications of elevated high-sensitivity C-reactive protein (hsCRP) in patients undergoing percutaneous coronary intervention (PCI) according to body mass index (BMI). Background: Whereas elevated hsCRP predicts adverse clinical outcome after PCI in the general population, the impact of BMI on its prognostic utility remains unclear. Methods: Data from 14,140 patients who underwent PCI between January 2009 and June 2017 at a large tertiary care center were analyzed. Patients were divided into 4 BMI categories: normal (BMI 18.5 to <25 kg/m2, n = 2,808), overweight (BMI 25 to <30 kg/m2, n = 6,015), obese (BMI 30 to <35 kg/m2, n = 3,490), and severely obese (BMI ≥35 kg/m2, n = 1,827). Elevated hsCRP was defined as >3 mg/l. The primary endpoint of interest was the occurrence of major adverse cardiac events (MACE; defined as death, myocardial infarction, or target vessel revascularization) within 1 year after PCI. Results: Elevated hsCRP was present in 18.9%, 23.6%, 33.3%, and 47.7% of the normal, overweight, obese, and severely obese groups, respectively. MACE rates were consistently higher in patients with elevated hsCRP across all BMI categories (normal, 13.4% vs. 8.3%; overweight, 11.2% vs. 7.2%; obese, 10.6% vs. 7.5%; severely obese, 11.9% vs. 6.5%; p < 0.01 for all). After multivariate adjustment, hsCRP elevation remained significantly associated with MACE independent of BMI (hazard ratios: normal, 1.43 [95% confidence interval: 1.04 to 1.95]; overweight, 1.56 [95% confidence interval: 1.21 to 1.88]; obese, 1.40 [95% confidence interval: 1.06 to 1.84]; severely obese, 1.92 [95% confidence interval: 1.35 to 2.75]; p < 0.05 for all). Conclusions: Among patients undergoing PCI, the prevalence of hsCRP elevation progressively increased with higher BMI. Measurement of hsCRP facilitates prognostic risk assessment for adverse outcome after PCI across a broad range of BMI.

Original languageEnglish
Pages (from-to)2882-2892
Number of pages11
JournalJACC: Cardiovascular Interventions
Volume13
Issue number24
DOIs
StatePublished - 28 Dec 2020

Keywords

  • C-reactive protein
  • body mass index
  • inflammation
  • obesity
  • percutaneous coronary intervention

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