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Original Research

. 2019; 26(4): 653-7

Relationship between neutrophil-to-lymphocyte ratio, d-dimer and troponin-I values and pulmonary embolism severity index

Murat Guzel; Emre Ozgen; Ozlem Terzi; Mehmet Tevfik Demir; Murat Yucel; Ahmet Baydin.

Aim: We aimed to determine whether Neutrophil-to-Lymphocyte Ratio (NLR), Monocyte-to-Lymphocyte Ratio (MLR), Platelet-to-Lymphocyte Ratio (PLR), D-dimer, and troponin values were correlated with the simplified Pulmonary Embolism Severity Index (sPESI) in patients diagnosed as having Pulmonary Embolism (PE) in the emergency room.
Material and Methods: Forty-three patients diagnosed as having PE in the emergency departmentwere divided into low and high-risk groups according to the sPESI. We investigated whether NLR, MLR, and PLR, d-dimer, troponin-I, and Pulmonary Artery Pressure (PAP) had any effect in determining the severity of PE. Also, patients were divided into groups as those with PAP ≤20 or >20 mm Hg, Systolic Blood Pressure (SBP) ≤100 or >100 mm Hg, and those receiving or not receiving thrombolytic treatment, and compared.
Results: There was a statistically significant difference between patients with low sPESI (n=10) and those with high sPESI (n=33) in terms of age (p=0.001), pulse (p=0.016), oxygen saturation (p=0.039), troponin-I (p=0.029) and PAP (p=0.032), but there was no difference between the groups in terms of NLR (p=0.796), MLR (p=0.656), PLR (p=0.863), and d-dimer (p=0.343). There was a statistically significant difference between patients who did (n=6) and did not (n=37) receive thrombolytic treatment in terms of troponin-I (p=0.012), but there was no difference between the groups in terms of NLR (p=0.861), MLR (p=0.335), and PLR (p=0.277).
Conclusion: NLR, MLR, PLR and d-dimer levels were found not to be effective in determining the severity of PE. Troponin-I was associated with sPESI and was considered as an effective marker in determining the thrombolytic treatment.

Key words: D-Dimer;Emergency;Neutrophil-To-Lymphocyte Ratio;Pulmoner Embolism;Pulmonary Embolism Severity Index;Troponin

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