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Mean platelet volume as a predictor of pulmonary hypertension in patients with stable COPD

Authors Mohamed MF, Ali A, Abbas A, Awad MS, Gouda M, Sediq AM

Received 30 December 2018

Accepted for publication 26 April 2019

Published 23 May 2019 Volume 2019:14 Pages 1099—1108


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Richard Russell

Maha Fathy Mohamed,1 Asmaa Ali,2 Ahmad Abbas,3 Mohammad Shafiq Awad,4 Mohammad Gouda,5 Amany M Sediq6

1Chest Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt; 2Abbaseya Chest Hospital, MOH, Cairo, Egypt; 3Chest Department, Faculty of Medicine, Zagazig University, Zagazig, 44519, Egypt; 4Cardiology Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt; 5Cardiology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt; 6Clinical and Chemical Pathology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt

Background: Pulmonary hypertension (PH) is one of the most common complications developed during the course of chronic obstructive pulmonary disease (COPD). Platelet activation plays an important role in its pathophysiology, and mean platelet volume (MPV) is considered a respectable index of platelet activation. The aim of this work is to assess the ability of MPV in predicting PH secondary to COPD as well as its severity.
Methods: A cross-sectional study was conducted on 228 stable COPD patients. CBC, echocardiography, and pulmonary function tests were performed.
Results: The prevalence of PH in stable COPD patients was high (63%), and the majority of patients had a mild degree (33%). There was no significant association between PH presence with different COPD grade, but, in very severe COPD, severe PH was significantly presented. MPV in COPD patients with PH was significantly higher than those without (9.02±1.14 vs 7.11±0.98, P<0.001). Moreover, a significant statistical rising of MPV with increased severity of PH. Multivariate regression analysis of predictors of PH demonstrated that; MPV is a real predictor of PH in such patients. The likelihood probability of PH increased up to 7-times with increasing one unit of MPV; (OR=6.7). A cut-off value of MPV >7.25 had 96% sensitivity and 76% specificity in predicting PH.
Conclusion: MPV was higher in COPD patients with PH and positively correlated with PH severity. If the data are to be confirmed, MPV may be taken into consideration in decision-making and management of COPD patients.

Keywords: COPD, mean platelet volume, pulmonary hypertension

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