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      Role of platelet count and mean platelet volume and red cell distribution width in the prediction of preeclampsia in early pregnancy

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          Abstract

          Introduction:

          Mean platelet volume (MPV), platelet count (PC), and red cell distribution width (RDW) are various blood indices that play important role in preeclampsia. This study aimed to evaluate the role of MPV, RDW, and PC for the prediction of preeclampsia in the early second trimester of pregnancy and to observe its correlation with disease severity.

          Material and Methods:

          A prospective case-control study was conducted for 1 year in the Department of Obstetrics and Gynecology. A total of 543 healthy pregnant women were recruited, after obtaining informed consent and ethical clearance and followed till 6 weeks postpartum, 43 were lost to follow-up. Out of 500 women, nonsevere preeclampsia (NSPE) occurred in 16 women and severe preeclampsia (SPE) in 34 women. Around 51 healthy normotensive pregnant women were recruited after systematic randomization from the same cohort, who had not developed the disease, served as controls. NSPE and SPE were defined as per ACOG 2013b guideline. MPV, RDW, and PC were measured two times by the Siemens Advia analyzer; the first samples were withdrawn at the time of enrolment and the next sample was taken after the development of the disease, and both samples were analyzed.

          Results:

          MPV was increased with the severity of preeclampsia, diagnostic accuracy was 69.4%, at a cutoff value of ≥9.05 fl and MPV discriminated controls and NSPE with 50.0% sensitivity and 82.4% specificity. To discriminate between controls and SPE, diagnostic accuracy was 74.6% at a cutoff value of ≥9.05 fl, with a sensitivity of 50%. For control versus SPE, MPCs at the cutoff value of ≥2.085 lac/mm 3 had sensitivity 52.9% and specificity 66.7%, and diagnostic accuracy 61.2%. For RDW NSPE, at a cutoff value of ≥11.5%, it discriminated against controls and NSPE with 85.3% sensitivity and 49.0% specificity.

          Conclusion:

          NSPE, MPV, RDW, and PCs had good discriminatory value with the severity of the disease.

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          Most cited references26

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          Soluble endoglin and other circulating antiangiogenic factors in preeclampsia.

          Richard Levine, Chun Lam, Cong Qian … (2006)
          Alterations in circulating soluble fms-like tyrosine kinase 1 (sFlt1), an antiangiogenic protein, and placental growth factor (PlGF), a proangiogenic protein, appear to be involved in the pathogenesis of preeclampsia. Since soluble endoglin, another antiangiogenic protein, acts together with sFlt1 to induce a severe preeclampsia-like syndrome in pregnant rats, we examined whether it is associated with preeclampsia in women. We performed a nested case-control study of healthy nulliparous women within the Calcium for Preeclampsia Prevention trial. The study included all 72 women who had preterm preeclampsia ( or =37 weeks), 120 women with gestational hypertension, 120 normotensive women who delivered infants who were small for gestational age, and 120 normotensive controls who delivered infants who were not small for gestational age. Circulating soluble endoglin levels increased markedly beginning 2 to 3 months before the onset of preeclampsia. After the onset of clinical disease, the mean serum level in women with preterm preeclampsia was 46.4 ng per milliliter, as compared with 9.8 ng per milliliter in controls (P<0.001). The mean serum level in women with preeclampsia at term was 31.0 ng per milliliter, as compared with 13.3 ng per milliliter in controls (P<0.001). Beginning at 17 weeks through 20 weeks of gestation, soluble endoglin levels were significantly higher in women in whom preterm preeclampsia later developed than in controls (10.2 ng per milliliter vs. 5.8 ng per milliliter, P<0.001), and at 25 through 28 weeks of gestation, the levels were significantly higher in women in whom term preeclampsia developed than in controls (8.5 ng per milliliter vs. 5.9 ng per milliliter, P<0.001). An increased level of soluble endoglin was usually accompanied by an increased ratio of sFlt1:PlGF. The risk of preeclampsia was greatest among women in the highest quartile of the control distributions for both biomarkers but not for either biomarker alone. Rising circulating levels of soluble endoglin and ratios of sFlt1:PlGF herald the onset of preeclampsia. Copyright 2006 Massachusetts Medical Society.
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            WHO analysis of causes of maternal death: a systematic review.

            Khalid Khan, Daniel Wojdyla, Lale Say … (2006)
            The reduction of maternal deaths is a key international development goal. Evidence-based health policies and programmes aiming to reduce maternal deaths need reliable and valid information. We undertook a systematic review to determine the distribution of causes of maternal deaths. We selected datasets using prespecified criteria, and recorded dataset characteristics, methodological features, and causes of maternal deaths. All analyses were restricted to datasets representative of populations. We analysed joint causes of maternal deaths from datasets reporting at least four major causes (haemorrhage, hypertensive disorders, sepsis, abortion, obstructed labour, ectopic pregnancy, embolism). We examined datasets reporting individual causes of death to investigate the heterogeneity due to methodological features and geographical region and the contribution of haemorrhage, hypertensive disorders, abortion, and sepsis as causes of maternal death at the country level. 34 datasets (35,197 maternal deaths) were included in the primary analysis. We recorded wide regional variation in the causes of maternal deaths. Haemorrhage was the leading cause of death in Africa (point estimate 33.9%, range 13.3-43.6; eight datasets, 4508 deaths) and in Asia (30.8%, 5.9-48.5; 11,16 089). In Latin America and the Caribbean, hypertensive disorders were responsible for the most deaths (25.7%, 7.9-52.4; ten, 11,777). Abortion deaths were the highest in Latin America and the Caribbean (12%), which can be as high as 30% of all deaths in some countries in this region. Deaths due to sepsis were higher in Africa (odds ratio 2.71), Asia (1.91), and Latin America and the Caribbean (2.06) than in developed countries. Haemorrhage and hypertensive disorders are major contributors to maternal deaths in developing countries. These data should inform evidence-based reproductive health-care policies and programmes at regional and national levels. Capacity-strengthening efforts to improve the quality of burden-of-disease studies will further validate future estimates.
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              The systemic inflammation-based neutrophil-lymphocyte ratio: experience in patients with cancer.

              Graeme J. K. Guthrie, Kellie A. Charles, Campbell Roxburgh … (2013)
              There is increasing and consistent evidence that cancer-associated inflammation is a key determinant of outcome in patients with cancer. Various markers of inflammation have been examined over the past decade in an attempt to refine stratification of patients to treatment and predict survival. One routinely available marker of the systemic inflammatory response is the neutrophil-lymphocyte ratio (NLR), which is derived from the absolute neutrophil and absolute lymphocyte counts of a full blood count. To date, over 60 studies (>37,000 patients) have examined the clinical utility of the NLR to predict patient outcomes in a variety of cancers. The present systematic review examines and comments on the clinical utility of the NLR. The NLR had independent prognostic value in (a) unselected cohorts (1 study of >12,000 patients), (b) operable disease (20 studies, >4000 patients), (c) patients receiving neoadjuvant treatment and resection (5 studies, >1000 patients), (d) patients receiving chemo/radiotherapy (12 studies, >2000 patients) and (e) patients with inoperable disease (6 studies, >1200 patients). These studies originated from ten different countries, in particular UK, Japan, and China. Further, correlative studies (15 studies, >8500 patients) have shown that NLR is elevated in patients with more advanced or aggressive disease evidenced by increased tumour stage, nodal stage, number of metastatic lesions and as such these patients may represent a particularly high-risk patient population. Further studies investigating the tumour and host-derived factors regulating the systemic inflammatory response, in particular the NLR, may identify novel treatment strategies for patients with cancer. Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.
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                Author and article information

                Journal
                Journal ID (nlm-ta): J Family Med Prim Care
                Journal ID (iso-abbrev): J Family Med Prim Care
                Journal ID (publisher-id): JFMPC
                Title: Journal of Family Medicine and Primary Care
                Publisher: Wolters Kluwer - Medknow (India )
                ISSN (Print): 2249-4863
                ISSN (Electronic): 2278-7135
                Publication date (Print): February 2021
                Publication date (Electronic): 27 February 2021
                Volume: 10
                Issue: 2
                Pages: 838-843
                Affiliations
                [1 ] Department of Obstetrics and Gynecology, King George Medical University, Lucknow, Uttar Pradesh, India
                [2 ] Department of Medicine, King George Medical University, Lucknow, Uttar Pradesh, India
                [3 ] Department of Physiology, Career Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
                [4 ] Department of Geriatric Mental Health, King George Medical University, Lucknow, Uttar Pradesh, India
                Author notes
                Address for correspondence: Prof. Rekha Sachan, Department of Obstetrics and Gynecology, King George Medical University, C-28, Sec-J Aliganj, Lucknow, Uttar Pradesh - 226024, India. E-mail: drrekhasachan@ 123456gmail.com
                Article
                Publisher ID: JFMPC-10-838
                DOI: 10.4103/jfmpc.jfmpc_1528_20
                PMC ID: 8138391
                PubMed ID: 34041086
                SO-VID: 8b6fa519-2a64-48e8-9dd2-05a8c428dedf
                Copyright © Copyright: © 2021 Journal of Family Medicine and Primary Care
                License:

                This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.

                History
                Date received : 26 July 2020
                Date revision received : 16 September 2020
                Date accepted : 27 September 2020
                Categories
                Subject: Original Article

                Keywords: preeclampsia,prediction,mean platelet volume,red cell distribution width
                Data availability:
                Keywords: preeclampsia, prediction, mean platelet volume, red cell distribution width

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