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Platelet parameters and the association with morbidity and mortality in Preterm Infants. Pediatr Neonatol 2023; 64:68-74. [PMID: 36207265 DOI: 10.1016/j.pedneo.2022.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/14/2022] [Accepted: 06/14/2022] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND There is growing recognition of the role of platelets in inflammation and immune responses, and platelets have been associated with various cardiovascular diseases. It is also known that neonatal morbidities are related to overall platelet activity, and platelet parameters may have the potential to predict morbidities and mortality in preterm infants. This study aimed to assess the initial platelet parameters and the association with major morbidities and mortality in preterm neonates. METHODS We retrospectively reviewed data from very preterm neonates with a gestational age (GA) <32 weeks who were admitted between June 2020 and May 2021 for platelet parameters (counts, mean platelet volume (MPV), platelet distribution width (PDW) and plateletcrit (platelet counts x MPV/10000(%)) at birth. Major morbidities included early- onset sepsis (EOS) ≤3 days after birth, severe intraventricular hemorrhage (IVH) grade ≥3, and early or overall mortality. RESULTS A total of 197 very preterm neonates were studied. Their mean (±SD) GA was 28.0 ± 2.4 weeks, birth weight was 990 ± 293 g, platelet counts were 245 ± 81 x1000/μL, MPV was 10.0 ± 0.7 fl, PDW was 11.0 ± 1.6 fl, and plateletcrit was 0.24 ± 0.08%. MPV had a weak negative correlation with both GA (r = -0.234, p = 0.001) and BW (r = -0.343, p <0.001). A lower plateletcrit was associated with EOS (0.14 (0.04-0.22) % vs. 0.23 (0.19-0.30) %, p = 0.027), severe IVH ≤7 days after birth (0.18 (0.14-0.27) % vs. 0.23 (0.20-0.30) %, p = 0.022), and early and overall mortality (0.15 (0.20-0.30) % vs. 0.23 (0.20-0.30) %, p = 0.049; 0.20 ± 0.09 % vs. 0.25 ± 0.07 %, p = 0.008). CONCLUSION A lower plateletcrit within 24 hours of birth was associated with EOS, severe IVH ≤7 days after birth, and first-week and overall mortality in very preterm neonates.
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Changes in Platelet Function in Preterm Newborns with Prematurity Related Morbidities. CHILDREN 2022; 9:children9060791. [PMID: 35740728 PMCID: PMC9221979 DOI: 10.3390/children9060791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 11/17/2022]
Abstract
Platelet indices represent useful biomarkers to express the thromboembolic status, inflammatory response, and oxidative stress in preterm newborns. Our study presented platelet count and function changes in prematurity-related morbidities such as respiratory distress syndrome, intraventricular bleeding, and anemia of prematurity in preterm newborn cases reported to healthy full-term newborns by flow cytometry and hematological methods. The platelet volume represents the average size of platelets in the blood samples, showing the significantly increased values in preterm newborns compared with healthy full-term newborns due to increasing activated platelet production. Flow cytometric analysis of immature platelet fractions (IPF) made using thiazole orange staining to detect their mRNA content and a glycoprotein (anti-GPIIIa) antibody for platelet gating. CD61-TO expression from premature newborns was significantly lower compared to healthy full-term neonates. Preterm newborn cases with respiratory distress syndrome and a need for respiratory support (RDS+) were characterized by a significantly increased platelet volume and a decreased immature platelet fraction reported in RDS− cases. Evaluating the platelet function in the newborn is difficult because the laboratory methodologies work with small quantities of newborn blood samples. The immature platelet fractions and platelet volume promise to be diagnostic biomarkers for diseases.
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Dani C, Ciarcià M, Miselli F, Luzzati M, Coviello C, Paladini A, Bottoni A, D’Andrea V, Vento G. Platelet Count and Volume and Pharmacological Closure with Paracetamol of Ductus Arteriosus in Preterm Infants. CHILDREN 2022; 9:children9010089. [PMID: 35053714 PMCID: PMC8774717 DOI: 10.3390/children9010089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/28/2021] [Accepted: 01/06/2022] [Indexed: 11/17/2022]
Abstract
Background: Low platelet count might promote resistance to pharmacological closure with indomethacin and ibuprofen of a hemodynamically significant patent ductus arteriosus (hsPDA). However, no studies have investigated if this occurs with paracetamol. Methods: We retrospectively assessed the correlation between platelet count, mean platelet volume (MPV), and plateletcrit (PCT), as well as the effectiveness of paracetamol in closing hsPDA in infants born at 23+0–31+6 weeks of gestation who were treated with 15 mg/kg/6 h of i.v. paracetamol for 3 days. Results: We studied 79 infants: 37 (47%) Had closure after a course of paracetamol and 42 (53%) did not. Platelet count and PCT did not correlate with paracetamol success or failure in closing hsPDA, while MPV was lower at birth (10.7 ± 1.4 vs. 9.5 ± 1.1; p < 0.001) and prior to starting therapy (11.7 ± 1.9 vs. 11.0 ± 1.6; p = 0.079) in refractory infants. Regression analysis confirmed that the low MVP measured prior to starting the treatment increased the risk of hsPDA paracetamol closure failure (OR 1.664, 95% CI 1.153–2.401). Conclusions: The greater MPV correlated positively with the effectiveness of paracetamol in closing hsPDA, while platelet count and PCT did not influence closure rates. Additional studies are needed to confirm our results.
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Affiliation(s)
- Carlo Dani
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, 50134 Florence, Italy
- Division of Neonatology, University of Florence, 50134 Florence, Italy; (M.C.); (F.M.); (M.L.); (C.C.)
- Correspondence: ; Tel.: +39-055-794-8421
| | - Martina Ciarcià
- Division of Neonatology, University of Florence, 50134 Florence, Italy; (M.C.); (F.M.); (M.L.); (C.C.)
| | - Francesca Miselli
- Division of Neonatology, University of Florence, 50134 Florence, Italy; (M.C.); (F.M.); (M.L.); (C.C.)
| | - Michele Luzzati
- Division of Neonatology, University of Florence, 50134 Florence, Italy; (M.C.); (F.M.); (M.L.); (C.C.)
| | - Caterina Coviello
- Division of Neonatology, University of Florence, 50134 Florence, Italy; (M.C.); (F.M.); (M.L.); (C.C.)
| | - Angela Paladini
- Division of Neonatology, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Catholic University of Sacred Heart, 20123 Rome, Italy; (A.P.); (A.B.); (V.D.); (G.V.)
| | - Anthea Bottoni
- Division of Neonatology, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Catholic University of Sacred Heart, 20123 Rome, Italy; (A.P.); (A.B.); (V.D.); (G.V.)
| | - Vito D’Andrea
- Division of Neonatology, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Catholic University of Sacred Heart, 20123 Rome, Italy; (A.P.); (A.B.); (V.D.); (G.V.)
| | - Giovanni Vento
- Division of Neonatology, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Catholic University of Sacred Heart, 20123 Rome, Italy; (A.P.); (A.B.); (V.D.); (G.V.)
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Thromboelastometry in Neonates with Respiratory Distress Syndrome: A Pilot Study. Diagnostics (Basel) 2021; 11:diagnostics11111995. [PMID: 34829342 PMCID: PMC8618420 DOI: 10.3390/diagnostics11111995] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Although respiratory distress syndrome (RDS) constitutes a postnatal risk factor for bleeding and thromboembolic events in neonates, few studies have addressed this issue. We aimed to evaluate the hemostatic profile of neonates with RDS using rotational thromboelastometry (ROTEM). METHODS An observational study was conducted from November 2018 to November 2020 in the NICU of General Hospital of Nikaia "Aghios Panteleimon". Preterm and term neonates with RDS hospitalized in the NICU were included and EXTEM (tissue factor-triggered extrinsic pathway), INTEM (ellagic acid activated intrinsic pathway), and FIBTEM (with platelet inhibitor cytochalasin D) assays were performed at the onset of the disease. RESULTS A hypocoagulable profile was noted in neonates with RDS compared to controls, expressed as significant prolongation of EXTEM CT (clotting time) and CFT (clot formation time), lower EXTEM A10 (amplitude at 10 min), MCF (maximum clot firmness), and LI60 (lysis index). Furthermore, prolongation of INTEM CFT and FIBTEM CT, and decreased INTEM and FIBTEM A10 and MCF were found in neonates with RDS. Multivariable logistic regression analysis showed that RDS is an independent factor for the recorded alterations in ROTEM variables. CONCLUSIONS RDS is associated with a hypocoagulable profile and greater hyperfibrinolytic potential compared to healthy neonates.
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Guner Ozenen G, Sahbudak Bal Z, Umit Z, Bilen NM, Yildirim Arslan S, Yurtseven A, Saz EU, Burcu B, Sertoz R, Kurugol Z, Ozkinay F. Demographic, clinical, and laboratory features of COVID-19 in children: The role of mean platelet volume in predicting hospitalization and severity. J Med Virol 2021; 93:3227-3237. [PMID: 33629365 PMCID: PMC8013348 DOI: 10.1002/jmv.26902] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/17/2021] [Accepted: 02/22/2021] [Indexed: 12/18/2022]
Abstract
There have been a limited number of studies on coronavirus disease 2019 (COVID‐19) in children. In this study, we aimed to investigate the demographic, clinical, and laboratory features of COVID‐19 and to identify the role of mean platelet volume (MPV) in predicting the prognosis in children. A single‐center retrospective study, including 251 confirmed and 65 suspected COVID‐19 cases, was conducted between March 11, 2020, and December 11, 2020. In the confirmed COVID‐19 group, 48 (19.1%) patients were asymptomatic, 183 (72.9%) mild, 16 (6.4%) moderate, 1 (0.4%) severe, and 3 were (1.2%) critically ill. Confirmed COVID‐19 patients had significantly lower mean values of white blood cell (WBC), absolute neutrophil count, absolute lymphocyte count, platelet, and hemoglobin (p < .001). However, there was no significant difference in MPV levels between the two groups (p = .894). C‐reactive protein (CRP), procalcitonin, fibrinogen, and NT‐pro‐BNP mean values were significantly lower in confirmed COVID‐19 cases than suspected cases (p < .001). A total of 55 (21.9%) patients required hospitalization due to COVID‐19, and MPV, WBC, CRP, procalcitonin, D‐dimer, and NT‐pro‐BNP were statistically higher in hospitalized patients than those in outpatients. The multivariate analysis of confirmed COVID‐19 cases according to the severity of disease showed that lymphopenia and higher levels of fibrinogen significantly associated with severe clinical symptoms. Decision tree analysis showed that the most powerful predictor of hospitalization due to COVID‐19 was the D‐dimer (p < .001). MPV values are not associated with COVID‐19 disease severity. However, MPV can be used with other parameters such as WBC, CRP, procalcitonin, D‐dimer, and NT‐pro‐BNP to predict hospitalization.
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Affiliation(s)
- Gizem Guner Ozenen
- Division of Infectious Disease, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Zumrut Sahbudak Bal
- Division of Infectious Disease, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Zuhal Umit
- Division of Infectious Disease, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Nimet Melis Bilen
- Division of Infectious Disease, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Sema Yildirim Arslan
- Division of Infectious Disease, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Ali Yurtseven
- Division of Pediatric Emergency, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Eylem Ulas Saz
- Division of Pediatric Emergency, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Barutcuoglu Burcu
- Department of Clinical Biochemistry, Medical School of Ege University, Izmir, Turkey
| | - Ruchan Sertoz
- Department of Microbiology and Infectious Diseases, Medical School of Ege University, Izmir, Turkey
| | - Zafer Kurugol
- Division of Infectious Disease, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
| | - Ferda Ozkinay
- Division of Infectious Disease, Department of Pediatrics, Medical School of Ege University, Izmir, Turkey
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Ge S, Ma Y, Xie M, Qiao T, Zhou J. The role of platelet to mean platelet volume ratio in the identification of adult-onset still's disease from sepsis. Clinics (Sao Paulo) 2021; 76:e2307. [PMID: 33886787 PMCID: PMC8024927 DOI: 10.6061/clinics/2021/e2307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 01/20/2021] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES Inflammatory factors exert a significant role in the development of adult-onset Still's disease (AOSD) and sepsis. Although platelet counts and platelet parameters have long served as indicators for inflammatory diseases, their role in the differential diagnosis between adult-onset stilĺs disease and sepsis remains unclear. We designed this retrospective study to explore whether the platelet to mean platelet volume (MPV) ratio (PMR) can help to distinguish AOSD from sepsis. METHODS A total of 110 AOSD patients and 84 sepsis patients were enrolled in the study. Seventy-three AOSD patients and 56 sepsis patients between January 2010 and June 2017 were enrolled in the test cohort to analyze PMR values, which was then validated in the validation cohort (37 AOSD patients and 28 sepsis patients between June 2017 and December 2019). RESULTS The values of PMR were significantly higher in AOSD patients than in sepsis patients (test cohort, validation cohort, and entire cohort), In the test cohort, logistic regression analysis showed that PMR was an independent risk factor of AOSD (odds ratios [OR]: 9.22, 95% confidence interval [CI] 2.15-39.46, p=0.003). Further receiver operating characteristic curve (ROC) analysis showed that the area under the ROC curve was 0.735 (95% CI 0.631-0.839, p<0.001) for PMR alone and 0.925 (95% CI 0.869-0.980, p<0.001) for the combination of PMR and serum ferritin. Consistently, the validation cohort exhibited analogous results. CONCLUSIONS PMR could be used as a single indicator or a complementary indicator to distinguish AOSD from sepsis.
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Affiliation(s)
- Suohua Ge
- Department of Neurology Laboratory, Jintan Hospital, Jiangsu University, Jintan, China
| | - Yongbin Ma
- Department of Neurology Laboratory, Jintan Hospital, Jiangsu University, Jintan, China
| | - Mengxiao Xie
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Tengfei Qiao
- Department of Laboratory Medicine, Nanjing Lishui District Hospital of traditional Chinese medicine, Nanjing, Jiangsu, China
| | - Jun Zhou
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- *Corresponding author. E-mail:
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Esiaba I, Mousselli I, M. Faison G, M. Angeles D, S. Boskovic D. Platelets in the Newborn. NEONATAL MEDICINE 2019. [DOI: 10.5772/intechopen.86715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Sepas HN, Negahi A, Mousavie SH, Nasiri M. Evaluation of the Potential Association of Platelet Levels, Mean Platelet Volume and Platelet Distribution Width with Acute Appendicitis. Open Access Maced J Med Sci 2019; 7:2271-2276. [PMID: 31592065 PMCID: PMC6765097 DOI: 10.3889/oamjms.2019.244] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 06/26/2019] [Accepted: 06/27/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND: The occurrence and early management of acute appendicitis among children are especially important due to the difficult diagnosis and nonspecific symptoms of the disease. Diagnosis of appendicitis in children is very difficult due to similarity of its symptoms to other diseases, and also its self-limiting nature Platelet indexes such as mean platelet volume (MPV) and platelet distribution width (PDW) have been suggested as a biomarker of inflammation. AIM: Therefore, we examined the association of MPV and PDW with acute appendicitis in children. METHODS: This cross-sectional study was conducted on 464 patients with suspected acute appendicitis under the age of 18 years referred to the specialised hospitals of the ten studied provinces between October 2014 and October 2015. All data obtained regarding patient’s lab tests, i.e. platelet count, MPV and PDW and also radiological studies and surgical reports were gathered in datasheets and analysed to evaluate the potential association of platelet levels, mean platelet volume (MPV) and platelet distribution width (PDW) with acute appendicitis RESULTS: Our results showed that the MPV was significantly higher in acute appendicitis in comparison to perforated appendicitis as well as acute gangrenous appendicitis. PDW was significantly higher in acute appendicitis in comparison to perforated appendicitis and acute gangrenous appendicitis. The current project indicated that PDW < 10.05 had a sensitivity of 35% and specificity of 75%, platelet count < 229500 had a sensitivity of 24% and specificity of 75% and MPV < 8.95 had a sensitivity of 70% and specificity of 71%. CONCLUSION: Our study suggested that platelet indexes such as MPV and PDW could significantly correlate with acute appendicitis in pediatric patients. Hence, we believe that both MPV and PDW could use as a simple and low-cost lab test for diagnosing acute appendicitis. Also, this study revealed that the MPV lower than 8.95 could be a novel index for diagnosing acute appendicitis with sensitivity of 70% and specificity of 71%.
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Affiliation(s)
- Hossein Najd Sepas
- Department of Vascular Surgery, Rasool-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Negahi
- Department of General Surgery, Rasool-e-Akram Hospital, Iran University of Medical Science, Tehran, Iran
| | - Seyed Hamzeh Mousavie
- Department of General Surgery, Rasool-e-Akram Hospital, Iran University of Medical Science, Tehran, Iran
| | - Mohammad Nasiri
- Department of General Surgery, Rasool-e-Akram Hospital, Iran University of Medical Science, Tehran, Iran
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Ilhan O, Bor M. Platelet mass index and prediction of severity of transient tachypnea of the newborn. Pediatr Int 2019; 61:697-705. [PMID: 31140210 DOI: 10.1111/ped.13899] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 04/15/2019] [Accepted: 05/24/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Platelet mass index (PMI) is associated with platelet functionality. The aim of this study was to evaluate the role of PMI in predicting the severity of transient tachypnea of the newborn (TTN). METHODS Infants with gestational age ≥37 weeks and birthweight ≥2,000 g who were given nasal intermittent mandatory ventilation for TTN ≤6 h after birth were retrospectively enrolled in this study. PMI was calculated using the following formula: PMI = platelet count × mean platelet volume/103 (fL/nL). The study infants (n = 101) were divided into two groups according to the duration of tachypnea: ≤48 h (n = 45) and >48 h (n = 56). RESULTS The PMI and platelet count were significantly lower in the group with tachypnea duration >48 h than in the tachypnea duration ≤48 h group (P < 0.001 and P = 0.04, respectively). A negative significant correlation was noted between PMI and the duration of tachypnea (r = -0.43, P < 0.001). A PMI cut-off of 1,562 fL/nL can predict prolonged tachypnea (>48 h) with a sensitivity of 62.5%, specificity of 68.9%, positive predictive value of 71.4%, and negative predictive value of 59.6% (area under the curve, 0.682 ± 0.053; P = 0.002). CONCLUSIONS Lower PMI and lower platelet count are associated with longer duration of tachypnea in patients with TTN.
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Affiliation(s)
- Ozkan Ilhan
- Department of Neonatology, Harran University School of Medicine, Sanliurfa, Turkey
| | - Meltem Bor
- Department of Neonatology, Harran University School of Medicine, Sanliurfa, Turkey
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Impaired platelet activity and hypercoagulation in healthy term and moderately preterm newborns during the early neonatal period. Pediatr Res 2019; 85:63-71. [PMID: 30283046 DOI: 10.1038/s41390-018-0184-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 08/29/2018] [Accepted: 09/04/2018] [Indexed: 12/26/2022]
Abstract
BACKGROUND Preterm newborns are at thrombohemorrhagic risk during the early neonatal period. Taking into account the lack of informative tools for the laboratory diagnosis of hemostasis disorders in newborns, our goal was to determine the baseline values of thrombodynamics and platelet functional activity in healthy term and moderately preterm newborns during the early neonatal period future potential clinical use of these tests. METHODS Coagulation was assessed using an integral assay of thrombodynamics and standard coagulation assays, and platelet functional activity was estimated by flow cytometry. RESULTS Hypercoagulation of newborns, represented by a significantly higher clot growth velocity and the presence of spontaneous clots in the thrombodynamics, was combined with platelet hypoactivity. Granule release, phosphatidylserine exposure, and the ability to change shape upon activation were decreased in the platelets of moderately preterm newborns. The platelet function remained at the same level over the first four days of life, whereas the hypercoagulation became less pronounced. CONCLUSIONS The hemostasis of newborns is characterized by hypercoagulation combined with reduced platelet functional activity. Moderately preterm and term newborns do not differ in the parameters of coagulation, while some of the functional responses of platelets are lower in moderately preterm newborns than in term.
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Fadae A, Heidari SM, Alizadeh Chamkhaleh M, Abbasi MA. Thrombocytopenia as a Marker of Patient Outcome in Medical Intensive Care Unit. INTERNATIONAL JOURNAL OF CARDIOVASCULAR PRACTICE 2018. [DOI: 10.21859/ijcp-03042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Abstract
Neonatal sepsis (NS) continues to be a diagnostic challenge and a prime cause of mortality. Forage for a lucid, cost-effective yet highly sensitive and specific marker in diagnosing this entity is an incessant task. This study aimed to evaluate the predictive value of mean platelet volume (MPV) in diagnosing NS. Neonates diagnosed with sepsis from January 2016 to March 2016 were included in the study. The subjects were stratified into the following: (i) culture-proven sepsis (group I); (ii) culture-negative clinical sepsis (group II); and (iii) control group (group III). Several hematologic markers such as hemoglobin, total leukocyte count, platelet count, MPV, plateletcrit, platelet distribution width, immature-to-mature neutrophil ratio, toxic change, serum urea, bilirubin, and C-reactive protein were analyzed. The results were compared among the groups, and their efficacy in diagnosing NS was appraised. The study involved 210 neonates, of which, groups I, II, and III constituted 64, 75, and 71 cases, respectively. The mean MPV among groups I, II, and III was 9.56, 8.86, and 8.58 fL, respectively (P<0.05). Strikingly higher values of platelet count, immature-to-mature neutrophil ratio, MPV, plateletcrit, and C-reactive protein were found in group I in contrast to those in groups II and III (P<0.05). The baseline MPV of patients with culture-proven sepsis was comparatively higher than controls and was found to be statistically significant. Hence, MPV can be a simple, economical, and specific predictor of NS.
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Cift A, Yucel MO. Comparison of inflammatory markers between brucella and non-brucella epididymo-orchitis. Int Braz J Urol 2018; 44:771-778. [PMID: 29697933 PMCID: PMC6092658 DOI: 10.1590/s1677-5538.ibju.2018.0004.0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 03/26/2018] [Indexed: 11/30/2022] Open
Abstract
Objectives: Brucellosis is a multi-system infectious disease that is associated with inflammation, which causes an increase in acute phase reactants. Hematological inflammatory markers of brucellosis include mean platelet volume (MPV), red cell distribution width (RDW), neutrophil/lymphocyte ratio (NLR), and platelet/lymphocyte ratio (PLR). In this study, we aimed to evaluate the diagnostic value of hematological inflammatory markers in Brucella epididymo-orchitis (BEO), and to investigate the utility of these markers for differential diagnosis from non-Brucella epididymo-orchitis (non-BEO). Materials and Methods: We retrospectively reviewed the records of 22 BEO and 50 non-BEO patients. Hematological parameters were recorded and compared between the two groups. The main diagnostic criteria for BEO were positive clinical findings (i.e., testicular pain, tenderness and scrotal swelling), a positive Rose Bengal test result, standard tube agglutination (STA) titer ≥ 1/160, and/or a positive blood culture. Results: The most decisive factors in discriminating between BEO and non-BEO were NLR, RDW, and MPV, in decreasing order of their strength. Regardless of other factors, NLR values < 2.3 significantly increased the odds of BEO (OR=8.080, 95% CI: 1.929-33.843, p=0.004). After adjusting for other factors, RDW values >14.45% significantly increased the odds of BEO (OR=7.020, 95% CI: 1.749-28.176, p=0.006). Independent of the other factors, patients with MPV < 7.65 fL had a 6.336 times higher risk for BEO (95% CI: 1.393 - 28.822, p=0.017). Conclusion: Hematological inflammatory markers such as NLR, RDW, and MPV can aid in the differential diagnosis of BEO and non-BEO.
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Affiliation(s)
- Ali Cift
- Department of Urology, Faculty of Medicine, Adiyaman University, Adiyaman, Turkey
| | - Mehmet Ozgur Yucel
- Department of Urology, Faculty of Medicine, Adiyaman University, Adiyaman, Turkey
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Kahvecioglu D, Erdeve O, Akduman H, Ucar T, Alan S, Çakır U, Yıldız D, Atasay B, Arsan S, Atalay S. Influence of platelet count, platelet mass index, and platelet function on the spontaneous closure of ductus arteriosus in the prematurity. Pediatr Neonatol 2018; 59:53-57. [PMID: 28739214 DOI: 10.1016/j.pedneo.2017.01.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 12/27/2016] [Accepted: 01/23/2017] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND This study aims at evaluating the influence of platelet count, platelet mass index, and platelet function on the spontaneous closure of ductus arteriosus in prematurity. METHODS All preterm babies were divided into two groups, including Group 1 with "open PDA" and Group 2 with "closed PDA". The variables of platelet count, mean platelet volume, platelet mass index, and platelet function were analyzed and compared between two groups of patients to identify the factors that significantly influenced spontaneous closure of ductus arteriosus. RESULTS Twenty-four patients were in the "open PDA" group, whereas 36 patients were in the "closed PDA" group. Mean GA and BW were 27.6 ± 1.8 (23.1-30.4) and 28 ± 1.6 (23.4-30.6) weeks and 1009 ± 270 (585-1480) g and 1035 ± 298 (505-1500) g in "open PDA" and "closed PDA" groups, respectively (p > 0.05). The incidence of "Collagen-ADP > 130 s" was significantly higher in the "open PDA" group, and the levels of hemoglobin and hematocrit were significantly lower in the "open PDA" group (p < 0.05). Multivariate logistic regression analysis showed that respiratory distress syndrome (OR: 9, CI: 1.5-51.8) and collagen-ADP > 130 s (OR: 5.7 CI: 1.55-21.3) are two independent factors associated with ductal patency. CONCLUSION This is the first study in the English literature providing evidence of the influence of platelet dysfunction on the spontaneous closure of ductus arteriosus in prematurity. Longer collagen-ADP duration is identified as a risk factor of ductal closure.
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Affiliation(s)
- Dilek Kahvecioglu
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey.
| | - Omer Erdeve
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Hasan Akduman
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Tayfun Ucar
- Ankara University, School of Medicine, Department of Pediatrics, Division of Pediatric Cardiology, Ankara, Turkey
| | - Serdar Alan
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Ufuk Çakır
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Duran Yıldız
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Begum Atasay
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Saadet Arsan
- Ankara University, School of Medicine, Department of Pediatrics, Division of Neonatology, Ankara, Turkey
| | - Semra Atalay
- Ankara University, School of Medicine, Department of Pediatrics, Division of Pediatric Cardiology, Ankara, Turkey
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Omran A, Ali M, Mohammad MH, Zekry O. Salivary C‐reactive protein and mean platelet volume in diagnosis of late‐onset neonatal pneumonia. CLINICAL RESPIRATORY JOURNAL 2017; 12:1644-1650. [DOI: 10.1111/crj.12723] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 08/24/2017] [Accepted: 10/08/2017] [Indexed: 11/29/2022]
Affiliation(s)
- Ahmed Omran
- Departments of Pediatrics & Neonatology, Faculty of MedicineSuez Canal UniversityIsmailia Egypt
| | - Mohammed Ali
- Departments of Pediatrics & Neonatology, Faculty of MedicineSuez Canal UniversityIsmailia Egypt
| | - Mai H.S. Mohammad
- Department of Clinical Pathology, Faculty of MedicineSuez Canal UniversityIsmailia Egypt
| | - Osama Zekry
- Departments of Pediatrics & Neonatology, Faculty of MedicineSuez Canal UniversityIsmailia Egypt
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Is there a relationship between platelet parameters and patency of ductus arteriosus in preterm infants? Blood Coagul Fibrinolysis 2017; 28:8-13. [PMID: 26825626 DOI: 10.1097/mbc.0000000000000520] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Postnatal closure of the ductus arteriosus is a complicated two-phase process involving functional and structural changes. So far, the precise mechanisms regulating this process are not fully understood. A growing body of evidence from recent studies suggests that platelets play a key role in inflammatory processes including ductal closure via interaction with endothelial cells. The aim of this study is to assess whether a relationship exists between the occurrence and/or closure of hemodynamically significant ductus arteriosus (HSDA) and platelet parameters (platelet count, circulating platelet mass, mean platelet volume, platelet distribution width) in preterm newborns. This single-center, retrospective study included 824 premature infants between 24 and 34 gestational weeks, evaluated by echocardiography at postnatal 72-96 h. Infants with and without HSDA (n = 208 vs. n = 616) were compared in terms of platelet parameters recorded within the first 3 days of life. Oral or intravenous ibuprofen was commenced for medical treatment, and echocardiography was repeated 24 h thereafter to determine ductal closure. No statistically significant difference could be demonstrated between the groups in terms of baseline platelet parameters. HSDA was independently associated with early-onset neonatal sepsis. Thrombocytopenia, low circulating platelet mass, high platelet distribution width, or high mean platelet volume could not be demonstrated as a risk factor for HSDA. None of the platelet parameters had an influence on ductal closure after medical treatment. Unlike most reports in the literature, presence of HSDA was not associated with any platelet parameter in our study. We could not demonstrate an association between any platelet parameter and either persistence or closure after medical treatment.
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Alicja W, Agnieszka P, Piotr L, Slawomir R, Barbara KW, Milena D, Robert M. Platelet indices in late preterm newborns. J Matern Fetal Neonatal Med 2016; 30:1699-1703. [PMID: 27628188 DOI: 10.1080/14767058.2016.1222519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND The current study objective was to compare blood platelet indices in late preterm newborns (LPN) and full term newborns (FTN). MATERIALS AND METHODS We recruited 58 LPN and 71 FTN. Platelet indices were estimated in blood samples collected from the umbilical artery. RESULTS LPN demonstrated a decreased count of blood platelets (249 × 10³/μL) as compared to FTN (295 × 10³/μL), p < 0.001. Platelet hematocrit (PCT) also showed substantial differences in both groups (LPN = 0.2% vs. FTN = 0.23%; p < 0.001). Mean platelet volume (MPV) was found to be nearly the same (LPN = 7.98fl, FTN = 7.9fl). Platelet distribution width (PDW) was higher in LPN (52.8%) than in FTN (50.6%), p = 0.02. Large platelet count (LP) was lower in LPN (4.0%) in comparison with FTN (6.0%), (p = 0.01). CONCLUSIONS The obtained results may indicate immaturity of thrombopoiesis in newborns born late preterm. Decrease in platelet count, platelet hematocrit and large platelets can cause disturbances in the hemostatic system and lead to bleeding complications and can increase the risk of infections. Morphological parameters of blood platelets in infants born late preterm differ from those of term neonates as in other preterm infants. This reflects the immaturity of this newborn and shows the need to pay special diagnostic and therapeutic care to them.
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Affiliation(s)
- Wasiluk Alicja
- a Department of Neonatology , Medical University of Bialystok , Bialystok , Poland
| | - Polewko Agnieszka
- b Department of Gynecology and Obstetrics , District Hospital in Bialystok , Bialystok , Poland
| | - Laudanski Piotr
- c Department of Perinatology , Medical University of Bialystok , Bialystok , Poland
| | - Redzko Slawomir
- c Department of Perinatology , Medical University of Bialystok , Bialystok , Poland
| | | | - Dabrowska Milena
- d Department of Hematological Diagnostics , Medical University of Bialystok , Bialystok , Poland , and
| | - Milewski Robert
- e Department of Statistics and Medical Informatics , Medical University of Bialystok , Bialystok , Poland
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Nariman S, Mosayebi Z, Sagheb S, Rastad H, Hosseininodeh SS. Urinary Uric Acid/Creatinine Ratio as a Marker of Mortality and Unfavorable Outcome in NICU-Admitted Neonates. IRANIAN JOURNAL OF PEDIATRICS 2016; 26:e5739. [PMID: 27729961 PMCID: PMC5046843 DOI: 10.5812/ijp.5739] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 04/17/2016] [Accepted: 05/13/2016] [Indexed: 11/16/2022]
Abstract
Background The survival of neonates who have been admitted to the NICU, especially premature infants with few mortality and morbidity, is the most important attitude. Objectives We presumed whether urinary uric acid/creatinine (UUA/Cr) ratio can be a marker of mortality and adverse outcome in neonates which were admitted to the NICU. Patients and Methods All preterm infants admitted to our NICU after birth from March 2014 to April 2015 were enrolled in this prospective cohort study. UUA/Cr was measured during the first day of life. The severity of diseases (indicated by the need for high set-up of mechanical ventilation, complications of prematurity, and duration of stay in the NICU) and neonatal death were considered to be the final unfavorable outcomes. The relationship between the Log-transformation (Ln) urinary uric acid/creatinine ratio and the Apgar score at the first and 5th minute after birth and the duration of stay were analyzed by using linear regression. Statistical analysis was done by using STATA version 11 (STATA Corp, TX, USA). A P < 0.05 was considered to be statistically significant. Results A total of 362 preterm infants with a mean gestational age of 32.7 (± 3.9) weeks were admitted to the NICU, out of whom 64 (17.6%) had severe disease and 43 (11.8%) died. The mean UUA/Cr ratio was significantly higher in the admitted neonates (3.30 ± 1.95 vs. 1.36 ± 0.42. P = 0.0001). There was a negative correlation between the UUA/Cr ratio and the 1-minute Apgar score (r = -0.17, P = 0.006) and the 5-minute Apgar score (r = -0.19, P = 0.003). The 1-minute Apgar scores were negatively correlated with the outcome (OR = 0.68; P < 0.001) and the duration of stay (β = -.28; P < 0.001). There was no significant correlation between 5-minute Apgar scores and the outcome. There was a significant positive correlation between the UUA/Cr ratio and an unfavorable outcome (OR = 1.24; CI %95: 1.06 to 1.43, P = 0.006) and increasing duration of stay (β = 0.17; P = 0.009). Conclusions The urinary uric acid/creatinine ratio can be used as a simple, noninvasive parameter of the severity of disease and mortality in NICU-admitted neonates.
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Affiliation(s)
- Shahin Nariman
- Department of Pediatrics, Tehran University of Medical Sciences, Tehran, IR Iran
| | - Ziba Mosayebi
- Department of Pediatrics, Tehran University of Medical Sciences, Tehran, IR Iran
- Children’s Medical Center, Pediatric Center of Excellence, Tehran, IR Iran
| | - Setareh Sagheb
- Department of Pediatrics, Tehran University of Medical Sciences, Tehran, IR Iran
- Corresponding author: Setareh Sagheb, Department of Pediatrics, Tehran University of Medical Sciences, Tehran, IR Iran. Tel: +98-9122387976, E-mail:
| | - Hadith Rastad
- Research Development Center, Arash Hospital, Tehran University of Medical Sciences, Tehran, IR Iran
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Ureyen I, Ozyuncu O, Sahin-Uysal N, Kara O, Basaran D, Turgal M, Deren O. Relationship of maternal mean platelet volume with fetal Doppler parameters and neonatal complications in pregnancies with and without intrauterine growth restriction. J Matern Fetal Neonatal Med 2016; 30:471-474. [DOI: 10.1080/14767058.2016.1175423] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Isin Ureyen
- Department of Gynecology and Obstetrics, Antalya Training and Research Hospital, Antalya, Turkey,
| | - Ozgur Ozyuncu
- Department of Gynecology and Obstetrics, Hacettepe University Medical School, Ankara, Turkey,
| | - Nihal Sahin-Uysal
- Department of Gynecology and Obstetrics, Başkent University Medical School, Ankara, Turkey,
| | - Ozgur Kara
- Department of Gynecology and Obstetrics, Zekai Tahir Burak Women’s Health Teaching and Research Hospital, Ankara, Turkey, and
| | - Derman Basaran
- Department of Gynecology and Obstetrics, Etlik Zubeyde Hanim Women’s Health Teaching and Research Hospital, Ankara, Turkey
| | - Mert Turgal
- Department of Gynecology and Obstetrics, Hacettepe University Medical School, Ankara, Turkey,
| | - Ozgur Deren
- Department of Gynecology and Obstetrics, Hacettepe University Medical School, Ankara, Turkey,
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Ates S, Oksuz H, Dogu B, Bozkus F, Ucmak H, Yanıt F. Can mean platelet volume and mean platelet volume/platelet count ratio be used as a diagnostic marker for sepsis and systemic inflammatory response syndrome? Saudi Med J 2016; 36:1186-90. [PMID: 26446329 PMCID: PMC4621724 DOI: 10.15537/smj.2015.10.10718] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Objectives: To determine whether the mean platelet volume (MPV) and MPV/platelet (PLT) values can be used in the study of sepsis and systemic inflammatory response syndrome (SIRS). Methods: In this retrospective case-controlled study, 69 sepsis, 69 SIRS patients, and 72 control group who were treated in the years 2012-2013 were reviewed, and both the MPV and MPV/PLT rates were evaluated in all groups at Kahramanmaras Sutcu Imam University Intensive Care Unit, Kahramanmaras, Turkey. Results: Statistically significant difference was found between sepsis, SIRS, and control groups when comparing the MPV and MPV/PLT ratio (p<0.05), and no significant difference was found between sepsis and SIRS groups in terms of MPV and MPV/PLT ratio (p>0.05). Mean platelet volume values for sepsis and control groups was 10.07/8.731 femtoliter (fL) (p=0.000), and 9.45/8.731 fL (p=0.000) for SIRS and control groups. In the group of sepsis patients, the MPV was found to be at cut-off 8.915, sensitivity 71%, and specificity 63.9%. In the group of patients with SIRS, MPV was found to be at cut-off 8.85, sensitivity 69.6%, and specificity 62.5%. For the MPV/PLT values, the specificity and sensitivity were found to be insignificant. Conclusion: This study shows that although there was no significant reduction in the PLT values between the sepsis and SIRS patients, the MPV and MPV/PLT ratio values were found to have significant differences. However, the specificity and sensitivity of the values were not reliable standard to be used as a test.
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Affiliation(s)
- Selma Ates
- Faculty of Medicine, Department of Infectious Diseases, Avsar Campus, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey. E-mail.
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Sezgi C, Taylan M, Kaya H, Selimoglu Sen H, Abakay O, Demir M, Abakay A, Tanrikulu AC. Alterations in platelet count and mean platelet volume as predictors of patient outcome in the respiratory intensive care unit. CLINICAL RESPIRATORY JOURNAL 2014; 9:403-8. [DOI: 10.1111/crj.12151] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 02/25/2014] [Accepted: 04/08/2014] [Indexed: 01/16/2023]
Affiliation(s)
- Cengizhan Sezgi
- Department of Pulmonary Diseases; Dicle University School of Medicine; Diyarbakir Turkey
| | - Mahsuk Taylan
- Department of Pulmonary Diseases; Dicle University School of Medicine; Diyarbakir Turkey
| | - Halide Kaya
- Department of Pulmonary Diseases; Dicle University School of Medicine; Diyarbakir Turkey
| | - Hadice Selimoglu Sen
- Department of Pulmonary Diseases; Dicle University School of Medicine; Diyarbakir Turkey
| | - Ozlem Abakay
- Department of Pulmonary Diseases; Dicle University School of Medicine; Diyarbakir Turkey
| | - Melike Demir
- Department of Pulmonary Diseases; Dicle University School of Medicine; Diyarbakir Turkey
| | - Abdurrrahman Abakay
- Department of Pulmonary Diseases; Dicle University School of Medicine; Diyarbakir Turkey
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Tekin M, Toplu Y, Kahramaner Z, Erdemir A, Gulyuz A, Konca C, Uckardes F. The mean platelet volume levels in children with PFAPA syndrome. Int J Pediatr Otorhinolaryngol 2014; 78:850-3. [PMID: 24656227 DOI: 10.1016/j.ijporl.2014.02.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 02/20/2014] [Accepted: 02/21/2014] [Indexed: 01/06/2023]
Abstract
OBJECTIVES To assess whether mean platelet volume (MPV) can be used as a marker in the differential diagnosis of periodic fever, aphthous stomatitis, pharyngitis, adenitis (PFAPA) syndrome. METHODS The leucocyte counts, thrombocyte counts, and MPV values of 57 children with PFAPA syndrome were recorded during an attack and an attack free period. These values were compared with a healthy control group of 55 individuals. Demographic features of the PFAPA patients group including age, gender and age of first attack, age at diagnosis, frequency of attacks, serum reactive protein (CRP) and erythrocyte sedimentation rate (ESR) were also recorded. RESULTS The MPV values of the children with PFAPA both during an attack and attack free period were found significantly lower than the MPV values of healthy control group (p<0.001). Also, the MPV values of the children with PFAPA during an attack were significantly lower than in attack free periods (p<0.001). The MPV values showed no correlation with leucocytes counts, CRP, and ESR during attacks. A 8.30fl [area under the curve (AUC: 0.965)] optimal cutoff value of MPV with a sensitivity of 89.5% and specificity of 92.8% was determined during an attack in children with PFAPA. CONCLUSIONS The MPV values during an attack and attack free period of patients with PFAPA is lower than in controls. The MPV values may be used as a marker in the differential diagnosis of PFAPA syndrome but more studies are needed and they should be prospective in order to validate this data.
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Affiliation(s)
- Mehmet Tekin
- Adiyaman University, School of Medicine, Department of Pediatrics, Adiyaman, Turkey.
| | - Yuksel Toplu
- Inonu University, Medical Faculty, Department of Otorhinolaryngology, Malatya, Turkey
| | - Zelal Kahramaner
- Adiyaman University, School of Medicine, Department of Pediatrics, Adiyaman, Turkey; Adiyaman University, School of Medicine, Department of Pediatrics, Neonatology Clinic, Adiyaman, Turkey
| | - Aydin Erdemir
- Adiyaman University, School of Medicine, Department of Pediatrics, Adiyaman, Turkey; Adiyaman University, School of Medicine, Department of Pediatrics, Neonatology Clinic, Adiyaman, Turkey
| | | | - Capan Konca
- Adiyaman University, School of Medicine, Department of Pediatrics, Adiyaman, Turkey
| | - Fatih Uckardes
- Adiyaman University, School of Medicine, Department of Statistics, Adiyaman, Turkey
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Aksoy HT, Eras Z, Guzoglu N, Canpolat FE, Dilmen U. Mean platelet volume is not associated with bacterial sepsis in newborns. Int J Infect Dis 2013; 17:e1263. [DOI: 10.1016/j.ijid.2013.05.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 05/20/2013] [Indexed: 11/30/2022] Open
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Oncel MY, Ozdemir R, Yurttutan S, Canpolat FE, Erdeve O, Oguz SS, Uras N, Dilmen U. Mean platelet volume in neonatal sepsis. J Clin Lab Anal 2013; 26:493-6. [PMID: 23143634 DOI: 10.1002/jcla.21552] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND The aim of this study was to investigate any changes in mean platelet volume (MPV) in patients with neonatal sepsis (NS). METHODS Subjects were stratified into two groups: proven sepsis (Group 1a) and clinical sepsis (Group 1b). The control group (Group 2) consisted of healthy newborns matched for gestational age and birth weight. RESULTS A total of 100 patients with NS (35 with proven sepsis and 65 with clinical sepsis) and 50 healthy controls were enrolled. A comparison of markers of sepsis obtained at baseline revealed white blood cell count (WBC), C-reactive protein (CRP), interleukin-6 (IL-6), and MPV levels to be significantly higher in newborns with sepsis compared to healthy controls (P = 0.01, <0.001, <0.001, and 0.001, respectively). Mean baseline serum levels of CRP and MPV were significantly higher in Group 1a compared to Group 1b (P = 0.003, P = 0.007, respectively), whereas the difference between group with regards to baseline serum levels of IL-6 and platelet count was statistically insignificant (P = 0.14, P = 0.28, respectively). CONCLUSION This is the first study to demonstrate a statistically significant difference with regard to baseline MPV values between patients with sepsis (proven or clinical) and healthy controls.
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Affiliation(s)
- Mehmet Yekta Oncel
- Division of Neonatology, Zekai Tahir Burak Maternity Teaching Hospital, Ankara, Turkey.
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Karadag-Oncel E, Ozsurekci Y, Kara A, Karahan S, Cengiz AB, Ceyhan M. The value of mean platelet volume in the determination of community acquired pneumonia in children. Ital J Pediatr 2013; 39:16. [PMID: 23497478 PMCID: PMC3599577 DOI: 10.1186/1824-7288-39-16] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2012] [Accepted: 03/04/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Mean platelet volume (MPV) is a reflection of platelet size, which has been shown to correlate with platelet function and activation. The aim of this study was to evaluate whether MPV could be used for the diagnostic tool of community-acquired pneumonia (CAP) and for making the decision for hospitalization. METHODS The computerized records of children aged 1 to 18 years who were diagnosed with CAP based on WHO criteria were evaluated. A standard protocol was followed, and patients with severe CAP were hospitalized. CAP patients were divided into two groups based on disease severity. The control group consisted of age and gender matched healthy children during the study period. Values for hemoglobin, white blood cell count (WBC), platelet count, MPV and C-reactive protein (CRP) obtained on first presentation were recorded for each patient. RESULTS A total of 196 patients were diagnosed with CAP during the study period, 108 (55.1%) of which had severe disease, which required hospitalization (Group 1a), while the remaining 88 (44.9%) were followed-up as outpatients (Group 1b). The control group consisted of 100 healthy children (Group 2). Patients with CAP had lower MPV values than their healthy counterparts (7.1 ± 0.68 vs. 8.31 ± 1.2 fL; p<0.001). MPV value was significantly higher in hospitalized CAP patients compared to outpatients (7.32 ± 0.71 vs. 6.83 ± 0.5 fL; p=0.012). ROC curve analysis suggested that MPV level cut-off point for making a diagnosis of CAP was 8.1 fL, with a sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of 91%, 51%, 80.8% and 70.5%, respectively. CONCLUSIONS Our findings suggest that MPV may be a useful predictor for diagnosed CAP but low specificity and NPV rates may lead to the false-negative diagnosis.
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Affiliation(s)
- Eda Karadag-Oncel
- Hacettepe University Faculty of Medicine, Pediatric Infectious Disease Unit, Ankara, Turkey.
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Low platelet count is associated with ductus arteriosus patency in preterm newborns. Early Hum Dev 2012; 88:813-6. [PMID: 22717423 DOI: 10.1016/j.earlhumdev.2012.05.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 05/05/2012] [Accepted: 05/30/2012] [Indexed: 11/23/2022]
Abstract
BACKGROUND/AIM To determine whether there is an association between platelet counts and patent ductus arteriosus (PDA) incidence and/or closure in preterm newborns. STUDY DESIGN AND SUBJECTS Premature infants with hemodynamically significant PDA (n=154) and a control group without PDA (n=207) who were hospitalized in the NICU were retrospectively evaluated. Platelet counts and other platelet indices including mean platelet volume (MPV) and platelet distribution width (PDW) of the infants in both groups during the first 3 days of life were recorded. Ibuprofen was started in infants with hemodynamically significant PDA and echocardiography was repeated 48 h thereafter to assess the closure of ductus. RESULTS Median gestational age and birth weight of the infants with PDA were 28 (range 26-29) weeks and 1060 (range 892-1250) g respectively. Platelet counts were significantly lower in the patient group than in the control group (p<0.001). Multivariate analysis including gestational age, presence of RDS, presence of thrombocytopenia and PDW showed that hemodynamically significant PDA was independently associated with platelet count <150,000 (OR=2.13, 95% CI 1.26-3.61; p=0.005), high PDW (>17) (OR=2.68, 95% CI 1.41-5.09; p=0.003) and the presence of RDS (OR=2.25, 95% CI 1.41-3.59; p=0.001). Baseline platelet counts of the infants in whom ductus closed or persisted after ibuprofen treatment were similar. CONCLUSIONS PDA was associated with low platelet count and high PDW but not with other platelet indices in preterm infants. We could not show an association between platelet counts and persistence or closure after medical treatment.
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Sahin S, Senel S, Ataseven H, Yalcin I. Does mean platelet volume influence the attack or attack-free period in the patients with Familial Mediterranean fever? Platelets 2012; 24:320-3. [PMID: 22720903 DOI: 10.3109/09537104.2012.697591] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Familial Mediterranean fever (FMF) is an autosomal recessive hereditary disease which is characterized by recurrent attacks of fever and peritonitis, pleuritis, arthritis, or erysipelas-like skin disease. Mean platelet volume (MPV) is a sign of platelet activation. There are limited studies in the literature about MPV levels in FMF patients. We aimed to investigate MPV levels during the attack period (group 1) and attack-free periods (group 2) in FMF patients, and to compare them with healthy controls (group 3). The study consisted of the data of: 60 group 1 patients, 120 group 2 patients, and 75 group 3 patients. Erythrocyte sedimentation rate, C-reactive protein, white blood cell count, platelet count, and MPV levels were retrospectively recorded from patient files. Statistical analyses showed that MPV was significantly lower in FMF patients both in group 1 and group 2 than in group 3 (p = 0.004, p = 0.002, respectively); however, there was no difference among group 1 and group 2 in patients with FMF (p = 0.279). The mean platelet count of group 1 was higher than that of group 3 (p = 0.010). In conclusion, this study results suggested that MPV level did not increase on the contrary, it decreased in patients with FMF both in group 1 and/or group 2 when compared to group 3. It was concluded that the lower MPV level was an expected result of secondary thrombocytosis in FMF patients.
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Affiliation(s)
- Safak Sahin
- Department of Internal Medicine, Medicine Faculty, Gaziosmanpasa University, Tokat, Turkey.
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Albayrak Y, Albayrak A, Albayrak F, Yildirim R, Aylu B, Uyanik A, Kabalar E, Güzel IC. Mean platelet volume: a new predictor in confirming acute appendicitis diagnosis. Clin Appl Thromb Hemost 2010; 17:362-6. [PMID: 20460349 DOI: 10.1177/1076029610364520] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
UNLABELLED The purpose of this study was to investigate the diagnostic value of mean platelet volume (MPV) in acute appendicitis (AA). METHODS Our study was carried out in 206 healthy control groups and 226 patients who had a preliminary diagnosis of AA. RESULTS A statistically significant decrease in MPV was noted in patients with AA compared with healthy controls (P < .001). The best MPV level cutoff point for AA was 7.6 fL, with a sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of 73%, 84%, 84%, and 74%, respectively. CONCLUSIONS As the MPV value is included in the complete blood count (CBC) analysis, it increases the sensitivity and NPVs of white blood cell (WBC) in AA diagnosis without the need for extra analyses, loss of time, or cost increase. Therefore, we believe that the MPV value should also be taken into consideration along with the WBC in every patient with suspected AA.
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Affiliation(s)
- Yavuz Albayrak
- Department of General Surgery and Burn Unit, Erzurum Region Education and Research Hospital, Erzurum, Turkey.
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