Systemic immune-inflammation index (SII) may be an effective indicator in predicting the left ventricular hypertrophy

Orhan Karayiğit1, Serdar Gökhan Nurkoç2, Muhammet Cihat Çelik3

  • 1Department of Cardiology, Yozgat City Hospital, Yozgat, Turkey. orphan_8_9@hotmail.com.

Insights

The systemic immune-inflammation index (SII) is significantly higher in hypertensive patients with left ventricular hypertrophy (LVH). SII can accurately predict LVH, offering a simple marker for assessing cardiovascular risk.

Area of Science:

  • Cardiology
  • Immunology
  • Hypertension Research

Background:

  • Left ventricular hypertrophy (LVH) in hypertensive patients indicates poor prognosis.
  • Elevated systemic immune-inflammation index (SII) correlates with increased cardiovascular mortality and morbidity.

Purpose of the Study:

  • To investigate the association between SII and LVH in patients with hypertension.
  • To determine if SII can serve as a predictive marker for LVH.

Main Methods:

  • Study included 150 hypertensive patients, divided into LVH (n=56) and non-LVH (n=94) groups based on LVMI.
  • SII calculated as (platelet count × neutrophil count) / lymphocyte count.
  • Receiver-operating characteristic (ROC) curve analysis used to assess SII's predictive value for LVH.

Main Results:

  • SII values were significantly higher in the LVH group compared to the non-LVH group (p < 0.001).
  • Patients with eccentric and concentric hypertrophy showed higher SII levels than those with normal geometry or concentric remodeling.
  • An SII cutoff of 869.5 predicted LVH with 82.1% sensitivity and 86.2% specificity (AUC: 0.861).

Conclusions:

  • SII is an independent predictor of LVH in hypertensive patients.
  • SII is a simple, calculable, and accurate marker for predicting LVH, potentially outperforming NLR and PLR.

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