Association between P-selectin levels and left atrial blood stasis in patients with nonvalvular atrial fibrillation

W. E. Wysokinski, K. P. Cohoon, Rowlens Melduni, M. Mazur, N. Ammash, T. Munger, E. Konik, T. McLeod, Izabeal Gosk-Bierska, Robert D McBane

Research output: Contribution to journalArticle

Abstract

Background: P-selectin - a biomarker of platelet and endothelial cell activation is elevated in patients with non-valvular atrial fibrillation (NVAF). However, the association between sP-selectin level and thromboembolic complications in NVAF patients remains controversial. We tested the hypothesis that plasma soluble P-selectin (sPSL) level correlates with the measures of left atrial blood stasis in NVAF. Methods: Plasma sPSL concentration was measured using solid-phase ELISA in 103 NVAF patients (age 63 ± 14 years; 26% women) and 48 normal sinus rhythm controls (NSR; age 64 ± 14 years; 41% women) who were not on aspirin. Within the group of NVAF cases, 27 had no spontaneous echocardiographic contrast (SEC) detected by transesophageal echocardiography, 31had mild SEC, 15 moderate, 20 severe, and 10 patients had left atrial appendage thrombus (LAAT). Results: The median soluble sPSL level was higher in NVAF cases compared to NSR controls [(interquartile range) 26 (20−32) ng/mL vs 22 (15–29) ng/mL, p = 0.0045]. Only NVAF patients with CHA2DS2-VASc score ≥ 1 had higher sPSL level compared to NSR controls. Patients with severe SEC had significantly higher sPSL levels [32 (24–38) ng/mL] compared to all other NVAF patients (p = 0.0042) and to NSR controls (p < 0.0001). Also NVAF patients with LAAT had higher sPSL level compared to NSR controls. Conclusions: There is a direct correlation between p-selectin level and severe blood stasis in the left atrium. Only NVAF patients with CHA2DS2-VASc score ≥ 1 or with LAAT had higher sPSL level compared to NSR controls.

Original languageEnglish (US)
Pages (from-to)4-8
Number of pages5
JournalThrombosis Research
Volume172
DOIs
StatePublished - Dec 1 2018

Fingerprint

P-Selectin
Atrial Fibrillation
Atrial Appendage
Selectins
Thrombosis
Transesophageal Echocardiography
Heart Atria
Aspirin
Blood Platelets
Endothelial Cells
Biomarkers
Enzyme-Linked Immunosorbent Assay

Keywords

  • Atrial fibrillation
  • Left atrial appendage thrombus
  • Soluble P-selection

ASJC Scopus subject areas

  • Hematology

Cite this

Association between P-selectin levels and left atrial blood stasis in patients with nonvalvular atrial fibrillation. / Wysokinski, W. E.; Cohoon, K. P.; Melduni, Rowlens; Mazur, M.; Ammash, N.; Munger, T.; Konik, E.; McLeod, T.; Gosk-Bierska, Izabeal; McBane, Robert D.

In: Thrombosis Research, Vol. 172, 01.12.2018, p. 4-8.

Research output: Contribution to journalArticle

Wysokinski, WE, Cohoon, KP, Melduni, R, Mazur, M, Ammash, N, Munger, T, Konik, E, McLeod, T, Gosk-Bierska, I & McBane, RD 2018, 'Association between P-selectin levels and left atrial blood stasis in patients with nonvalvular atrial fibrillation', Thrombosis Research, vol. 172, pp. 4-8. https://doi.org/10.1016/j.thromres.2018.10.009
Wysokinski, W. E. ; Cohoon, K. P. ; Melduni, Rowlens ; Mazur, M. ; Ammash, N. ; Munger, T. ; Konik, E. ; McLeod, T. ; Gosk-Bierska, Izabeal ; McBane, Robert D. / Association between P-selectin levels and left atrial blood stasis in patients with nonvalvular atrial fibrillation. In: Thrombosis Research. 2018 ; Vol. 172. pp. 4-8.
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T1 - Association between P-selectin levels and left atrial blood stasis in patients with nonvalvular atrial fibrillation

AU - Wysokinski, W. E.

AU - Cohoon, K. P.

AU - Melduni, Rowlens

AU - Mazur, M.

AU - Ammash, N.

AU - Munger, T.

AU - Konik, E.

AU - McLeod, T.

AU - Gosk-Bierska, Izabeal

AU - McBane, Robert D

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Background: P-selectin - a biomarker of platelet and endothelial cell activation is elevated in patients with non-valvular atrial fibrillation (NVAF). However, the association between sP-selectin level and thromboembolic complications in NVAF patients remains controversial. We tested the hypothesis that plasma soluble P-selectin (sPSL) level correlates with the measures of left atrial blood stasis in NVAF. Methods: Plasma sPSL concentration was measured using solid-phase ELISA in 103 NVAF patients (age 63 ± 14 years; 26% women) and 48 normal sinus rhythm controls (NSR; age 64 ± 14 years; 41% women) who were not on aspirin. Within the group of NVAF cases, 27 had no spontaneous echocardiographic contrast (SEC) detected by transesophageal echocardiography, 31had mild SEC, 15 moderate, 20 severe, and 10 patients had left atrial appendage thrombus (LAAT). Results: The median soluble sPSL level was higher in NVAF cases compared to NSR controls [(interquartile range) 26 (20−32) ng/mL vs 22 (15–29) ng/mL, p = 0.0045]. Only NVAF patients with CHA2DS2-VASc score ≥ 1 had higher sPSL level compared to NSR controls. Patients with severe SEC had significantly higher sPSL levels [32 (24–38) ng/mL] compared to all other NVAF patients (p = 0.0042) and to NSR controls (p < 0.0001). Also NVAF patients with LAAT had higher sPSL level compared to NSR controls. Conclusions: There is a direct correlation between p-selectin level and severe blood stasis in the left atrium. Only NVAF patients with CHA2DS2-VASc score ≥ 1 or with LAAT had higher sPSL level compared to NSR controls.

AB - Background: P-selectin - a biomarker of platelet and endothelial cell activation is elevated in patients with non-valvular atrial fibrillation (NVAF). However, the association between sP-selectin level and thromboembolic complications in NVAF patients remains controversial. We tested the hypothesis that plasma soluble P-selectin (sPSL) level correlates with the measures of left atrial blood stasis in NVAF. Methods: Plasma sPSL concentration was measured using solid-phase ELISA in 103 NVAF patients (age 63 ± 14 years; 26% women) and 48 normal sinus rhythm controls (NSR; age 64 ± 14 years; 41% women) who were not on aspirin. Within the group of NVAF cases, 27 had no spontaneous echocardiographic contrast (SEC) detected by transesophageal echocardiography, 31had mild SEC, 15 moderate, 20 severe, and 10 patients had left atrial appendage thrombus (LAAT). Results: The median soluble sPSL level was higher in NVAF cases compared to NSR controls [(interquartile range) 26 (20−32) ng/mL vs 22 (15–29) ng/mL, p = 0.0045]. Only NVAF patients with CHA2DS2-VASc score ≥ 1 had higher sPSL level compared to NSR controls. Patients with severe SEC had significantly higher sPSL levels [32 (24–38) ng/mL] compared to all other NVAF patients (p = 0.0042) and to NSR controls (p < 0.0001). Also NVAF patients with LAAT had higher sPSL level compared to NSR controls. Conclusions: There is a direct correlation between p-selectin level and severe blood stasis in the left atrium. Only NVAF patients with CHA2DS2-VASc score ≥ 1 or with LAAT had higher sPSL level compared to NSR controls.

KW - Atrial fibrillation

KW - Left atrial appendage thrombus

KW - Soluble P-selection

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