Platelet Parameters Research Articles

Erythrocyte and Platelet Counts Analysis and Effect in Female Wistar Rats after Prolonged Administration of Aqueous Fruit Pulp Extract of Raphia Hookeri Plant

This research aimed to analysis the effects of the prolonged administration of aqueous fruit pulp extract of Raphia hookeri fruit on erythrocyte indices and platelet counts in female Wistar rats. A total of 28 female Wistar rats, weighing 130g to 200g, were grouped into four (4) groups, with Group 1 as the control. The control group was provided standard feed and water, while Group 2 received 1000 mg/kg, Group 3 received 2000 mg/kg, and Group 4 received 3000 mg/kg body weight daily for 28 days. After the treatment period, blood samples were collected, and parameters such as erythrocyte count and platelet count were analyzed using standard haematological techniques. Statistical analysis was done with SPSS version 21.0, and results were expressed as mean ± standard error of the mean (SEM), with p<0.05 considered statistically significant. Results showed erythrocyte counts of 5.80 ± 0.12 in the control group, with a significant decrease in treated groups 2, (5.00 ± 0.58), 3 (4.40 ± 0.17) and 4 (4.80 ± 0.12). Platelet counts also showed a dose-dependent decrease, with values of 250.00 ± 1.15 in the control and significantly lower counts of 120.00 ± 2.89, 100.00 ± 1.73, and 94.00 ± 2.31 in Groups 2, 3, and 4, respectively. These findings indicate that higher doses may significantly impact erythrocyte and platelet parameters, suggesting potential risks associated with prolonged high-dose administration

Analysis of Platelet Morphological Parameters as Clinical Risk Stratification in Acute Coronary Syndrome.

Platelet activation plays a central role in the pathogenesis of acute coronary syndrome (ACS). Platelet morphological parameters, including MPV, PDW, and P-LCR, are emerging as biomarkers for predicting the severity of ACS and prognosis. This study aims to assess the relationship between these parameters and coronary severity and to evaluate their predicting adverse outcomes. A total of 134 ACS patients and 50 healthy controls were included in this prospective observational study. Platelet morphological parameters (MPV, PDW, and P-LCR) were measured at admission, and coronary artery lesion severity was determined using the Gensini score from coronary angiography. Multivariate logistic regression analysis assessed the predictive value of these platelet parameters for adverse outcomes, and ROC curve analysis was used to evaluate their diagnostic performance. MPV, PDW, and P-LCR were significantly higher in ACS patients compared to healthy controls (p < 0.001). A strong positive correlation was found between platelet parameters and the Gensini score (MPV: r = 0.778, PDW: r = 0.800, P-LCR: r = 0.761; p < 0.001). Multivariate logistic regression identified MPV (OR = 1.807, p < 0.001), PDW (OR = 1.700, p = 0.001), and P-LCR (OR = 1.287, p < 0.001) as independent predictors of advent prognosis. ROC curve analysis showed that the combined use of MPV, PDW, and P-LCR provided superior predictive accuracy (AUC = 0.927) compared to the individual parameters. Elevated platelet morphological parameters are strongly associated with coronary artery lesion severity and serve as independent predictors of adverse outcomes in ACS patients. The combined assessment of MPV, PDW, and P-LCR enhances risk stratification, offering a valuable tool for guiding therapeutics and improving prognosis in management.

Observation on the efficacy of TPO receptor agonists and platelet transfusion in chemotherapy-induced thrombocytopenia in malignant tumors

ObjectiveTo observe the clinical efficacy of TPO receptor agonists and platelet transfusion in chemotherapy-induced thrombocytopenia in malignant tumors.MethodsClinical data from 120 patients with malignant tumors who developed thrombocytopenia following chemotherapy at our hospital were retrospectively collected and randomly divided into three groups: A, B, and C, with 40 patients in each group. Group A was treated with a TPO receptor agonist (avatrombopag), group B received autologous platelet transfusion, and group C received a combination of both treatments. The clinical efficacy of the three groups was compared, including platelet levels at different time points during treatment, platelet recovery time (time to reach < 50 × 109/L, ≥ 75–100 × 109/L, and ≥ 100 × 109/L), changes in serum cytokine levels (PF4, TPO, vWF) before and after treatment, and fluctuations in coagulation function indicators (APTT, PT, FIB) before and after treatment to analyze the effectiveness of each treatment regimen.ResultsAbout clinical efficacy, the effectiveness in group A was comparable to that in group B (P > 0.05), while the effective rate in group C was significantly higher than that in groups A and B (P < 0.05). Regarding platelet counts, repeated measures analysis of variance showed significant differences in the time effect, group effect, and interaction effect for platelet counts (PLT) among the three groups (P < 0.05). Concerning platelet recovery time, the time to reach PLT < 50 × 109/L, the time to recover to 75–100 × 109/L, and the time to recover to ≥ 100 × 109/L were similar in groups A and B (P > 0.05). However, the time for these parameters in group C was significantly shorter than in groups A and B (P < 0.05). In terms of changes in platelet parameters, post-treatment levels of PF4, TPO, and vWF in all three groups were significantly higher than pre-treatment levels. The PF4, TPO, and vWF levels in groups A and B were similar (P > 0.05), whereas group C had significantly higher levels compared to groups A and B (P < 0.05). Regarding coagulation indices, post-treatment levels of APTT and PT decreased, while FIB levels increased in all three groups (P < 0.05). There were no significant differences in APTT and FIB levels between groups A and B (P > 0.05). However, group C had significantly lower APTT and higher FIB levels compared to groups A and B (P < 0.05). There were no significant differences in PT levels among the three groups post-treatment (P > 0.05).ConclusionAutologous platelet transfusion and TPO receptor agonists are effective clinical methods for treating chemotherapy-induced thrombocytopenia. The combined use of both treatments yields better therapeutic results.

Predictive value of platelet parameters for early-onset pre-eclampsia: A prospective cohort study in a teaching institution in Gujarat, India

ABSTRACT Background: Early-onset pre-eclampsia is associated with severe maternal and perinatal complications. Identifying novel biomarkers for early prediction is crucial for timely intervention and improved outcomes. This study aimed to evaluate the predictive value of platelet parameters, namely mean platelet volume (MPV), platelet distribution width (PDW), and platelet count (PC), for early-onset pre-eclampsia. Methods: A prospective cohort study was conducted at a tertiary care hospital in Gujarat, India. Pregnant women (n = 712) between 14 and 18 weeks of gestation were enrolled and followed up until delivery. MPV, PDW, and PC were measured at enrollment. The primary outcome was the development of early-onset pre-eclampsia (&lt;34 weeks). Receiver operating characteristic (ROC) curves were used to evaluate the predictive value of platelet parameters. Results: The prevalence of early-onset pre-eclampsia was 5.3%. Women who developed early-onset pre-eclampsia had significantly higher MPV and PDW and lower PC at 14–18 weeks compared to those who remained normotensive. The combination of MPV &gt; 10.2 fL, PDW &gt; 16.5 fL, and PC &lt; 180 × 103/µL had the highest predictive value (AUC: 0.951, sensitivity: 71.1%, specificity: 99.1%). Individual platelet parameters also demonstrated good predictive ability. Conclusion: Platelet parameters, particularly MPV, PDW, and PC, measured at 14–18 weeks of gestation, have good predictive value for early-onset pre-eclampsia. Incorporating these parameters into routine antenatal screening could improve the early identification of at-risk women. Further research is needed to validate these findings and evaluate the cost-effectiveness of implementation.

Metabolic Dysfunction-Associated Steatotic Liver Disease in Type 2 Diabetes Patients-The Relationship with Platelets Indicators.

Background and Objectives: Metabolic dysfunction-associated steatotic liver disease (MASLD) is an important chronic liver disease with major health risks, especially in the presence of T2DM, but the pathophysiology of this condition is not fully understood. This study aimed to investigate the platelet hematometric indices in patients with T2DM and MASLD. Materials and Methods: Demographic and medical (including anthropometric) data were collected from 271 participants, from whom blood samples were also drawn in fasting conditions for complete blood count, liver and metabolic panel, ferritin, haptoglobin, creatinine, and fibrosis markers. The correlations of main platelet parameters with clinical and laboratory data were investigated by bivariate and multiple regression analyses. Results: The median platelets number was 235·103/μL, and thus, the study population was divided into two subgroups: with higher and lower numbers (group 1 (mean): 286.38 ± 43.29·103/μL and group 2 (mean): 188.12 ± 39.77·103/μL). Despite similar BMIs, group 2 had higher fatty liver index (FLI) (84.44 ± 18.04 vs. 79.85 ± 17.98; p = 0.0088) and insulin resistance (HOMA-IR: 3.16 ± 1.50 vs. 2.63 ± 1.31; 0.0008), higher direct bilirubin, transaminases, uric acid, and ferritin concentrations. Higher percentages of males and subjects with HOMA-IR values >2.5 were accounted for in this group. In the multiple regression analyses, the platelet count and plateletcrit (PTC) correlated independently with sex, leucocyte count, HOMA-IR, and bilirubin concentrations (p < 0.0001). The platelet distribution width (PDW) was positively correlated with insulin resistance in two separate analyses (β = 0.060; p = 0.0004, and β = 0.052; p = 0.0025), and with GGT, while the mean platelet volume presented a weak but significant positive association with FLI. Patients with higher HOMA-IR had higher PDW and a lower platelet count and PTC. Conclusions: Male patients with T2DM and MASLD had lower platelet count and PTC and larger PDW. Higher insulin resistance was associated with lower platelet count and PTC and higher PDW.

Utility of platelet indices as a diagnostic indicator of hemodynamically significant PDA in preterm infants: a comparative cross-sectional study

BackgroundAmong preterm babies, patent ductus arteriosus (PDA) is a prevalent condition, and hemodynamically significant patent ductus arteriosus (hsPDA) constitutes an important problem that impacts their outcome. There has previously been a connection between platelet dysfunction and the hemodynamic significance of PDA. However, the results are conflicting, and more research is warranted. In this study, we investigated the relation of hsPDA with different platelet indices. In addition, we assessed the impact of hsPDA on patient outcomes, including hospital admission and survival rate.MethodsThis comparative cross-sectional study involved 150 preterm neonates (≤ 34 weeks gestational age) admitted to the neonatal intensive care unit. Following evaluation using the clinical Kindler score, echocardiography was used to confirm the diagnosis of hsPDA. A complete blood count comprising all platelet parameters and C-reactive protein was performed on the first day of life, and the association with the hsPDA was examined. Information was gathered about hospital stay duration, survival rates, and comorbidities.ResultsPlatelet distribution width (PDW) was significantly higher in the hsPDA group than in the non-hsPDA group, p = 0.001. The receiver operating characteristic (ROC) curve analysis revealed a significant correlation of hsPDA with high PDW (p < 0.000) and clinical Kindler score (p < 0.001). High PDW and clinical Kindler score were found to be independent predictors of hsPDA by multivariate logistic regression analysis (odds ratio = 1.289, p = 0.004) for PDW, and (odds ratio = 3.452; p = 0.001) for clinical Kindler score. Regarding patient outcome, the hsPDA group demonstrated significantly longer hospitalization duration and higher respiratory complications and mortality rates.ConclusionsPDW and clinical Kindler score were found to be significantly correlated with hsPDA, and both were independent predictors of hsPDA. The hsPDA has dramatically impacted patient outcomes, including higher incidence of respiratory complications, and subsequently longer hospitalization, and higher mortality.

Filgrastim Efficiency in Cats Naturally Infected with Feline Panleukopenia Virus.

Feline Panleukopenia (FPL) infection is caused by feline panleukopenia virus (FPV), and it is considered one of the most severe cat's infectious diseases. Since there is no specific antiviral treatment for FPL, the therapeutic protocol usually is focused on fluid therapy and supportive care. However, filgrastim, a granulocyte colony-stimulating factor (G-CSF) used in human medicine to treat neutropenia and leukopenia, has been lately used in treating FPV disease, providing promising results. During January 2022 and September 2024, twenty-two cats diagnosed with feline panleukopenia virus were subjected to filgrastim (Zarzio®, Sandoz, Kundl, Austria) administration at a dose of 6 µg/kg for 3 consecutive days. The 4th day was a break day, and in the 5th day, the complete blood count was repeated. White blood cells, lymphocytes, monocytes, neutrophils and eosinophils parameters improved after Zarzio® administration, with a significant statistical difference (p < 0.01) when their values between day 1 (pre Zarzio® administration) and day 5 (post Zarzio® administration) were analysed. However, red blood cells, haemoglobin, haematocrit and platelets parameters registered a considerable reduction from day 1 to day 5 with a significant statistical difference (p < 0.01), considered as post-administration side effects. In our study, the survival rate following Zarzio® administration was 100%, suggesting that the protocol involving three doses is effective in restoring the leukopenia and neutropenia.

Investigating the Relationship Between the Levels of Hematological and Biochemical Parameters of COVID-19 Patients with the Length of Hospitalization

Background: Identifying and treating patients with COVID-19 requires the use of quick and precise laboratory diagnostic techniques that assess the patient's health and identify the illness. Aim: This study was conducted to determine the relationship between hematological and biochemical parameters and length of hospitalization in patients with COVID-19. Methods: This is a cross-sectional study of a descriptive-analytical type, which was conducted by census method on 360 medical records of patients with COVID-19 in Imam Khomeini Hospital in Jiroft in 2022. Data were analyzed using descriptive and inferential statistics tests. Results: The average number of days of hospitalization in the present study was 4 days. The rate of COVID-19 was higher in men than in women. The most common underlying diseases in the patients were heart, pulmonary, and diabetes. Among the biochemical parameters, only lactate dehydrogenase (LDH), blood urea nitrogen (BUN), aspartate aminotransferase (AST), alanine transaminase (ALT), platelet (PLT), and erythrocyte sedimentation rate (ESR) parameters had a statistically significant relationship with the total length of hospitalization (P-value&lt;0.001). LDH, AST, ALT, creatinine (Cr), creatine phosphokinase (CPK), blood sugar (BS), total bilirubin, and direct bilirubin parameters were higher than normal in hospitalized patients. Conclusion: The results showed that there is a relationship between LDH, BUN, AST, ALT, PLT, and ESR parameters and the length of hospitalization of patients. The levels of LDH, AST, ALT, Cr, CPK, BS, total bilirubin, and direct bilirubin parameters in patients were higher than normal.

The associations among platelet count, mean platelet volume, and erectile dysfunction: an observational and Mendelian randomization study.

While previous studies have explored the associations and causalities among platelet count (PC), mean platelet volume (MPV), and erectile dysfunction (ED), further investigations are needed to clarify these relationships using advanced methodologies and analyzing specific populations. To investigate the associations and causalities among PC, MPV, and ED using observational study and Mendelian randomization (MR) analysis. A total of 114 patients with ED and 158 healthy control participants underwent a fasting blood draw to test for PC and MPV along with a comprehensive laboratory examination. The International Erectile Function Index was used to diagnose ED. Genetic variants of ED were obtained from individuals of European ancestry including 6175 ED cases and 217 630 controls. PC and MPV values were obtained from the UK Biobank and Investigating the effect of varying the whole blood inter-donation interval (INTERVAL) studies, encompassing a cohort of 173 480 individuals of European descent. Inverse-variant weighted (IVW), weighted median (WM), and MR-Egger methods were employed in MR analysis to explore the causal effects between variables to assess the impact of PC and MPV on ED. Various sensitivity analyses were employed to ensure the reliability of the results. Both observational study results and MR results revealed that elevated PC levels were associated with a heightened risk of ED, whereas reductions in MPV were linked to a decreased risk. Logistic regression analysis indicated that an increased PC was associated with a greater risk of ED, with an odds ratio (OR) of 1.14 (95% CI: 1.08, 1.22; P = .005), whereas decreased MPV was linked to an increased risk for ED, with an OR of 0.65 (95% CI: 0.48, 0.88; P = .003). Our MR analysis also revealed that genetically predicted PC was associated with a 1.09-fold increased risk of ED (95% CI: 1.01, 1.18; P = .016). Conversely, genetically predicted MPV was linked to a 0.93-fold increased risk of ED (95% CI: 0.88, 0.99; P = .014). The absence of heterogeneity (P > .05) and pleiotropy (P > .05) was confirmed through Cochran's Q tests and MR-Egger regression. Exclusion of individual single-nucleotide polymorphisms (SNPs) did not alter the robustness of the results. In clinical work, it is an important guide for the prevention, diagnosis, and treatment of ED. Our study employed a combination of observational studies and MR studies to strengthen our evidence. The observational study's sample size was relatively small, and MR was limited to individuals of European ancestry. A high PC and a low MPV are associated with an increased risk of ED, highlighting the importance of addressing platelet parameters in ED management.

Comparing the coagulation and platelet parameters of womenwith premature ovarian insufficiency with those of age-matched controls: A case-control study.

This study aimed to compare the coagulation and platelet parameters in women with spontaneous premature ovarian insufficiency (POI) with those in age-matched controls. This case-control study recruited 202 women with POI and 202 age-matched women with benign gynecological diseases as controls. Coagulation parameters, including prothrombin time (PT), international normalized ratio (INR), activated partial thromboplastin time (APTT), and thrombin time (TT), fibrinogen, and platelet parameters, including platelet count (PLT), mean platelet volume (MPV), plateletcrit (PCT), and platelet distribution width (PDW), were compared between women with POI and controls. Factors associated with coagulation and platelet parameters were also analyzed in women with POI. In women with POI, higher fibrinogen levels and PDW, lower PLT, MPV, and PCT levels, and shorter TT were observed (p < 0.001). Linear regression analysis further revealed that women with POI were more likely to exhibit increased serum fibrinogen levels (β = 0.465, 95% confidence interval [CI] 0.366-0.564) and PDW (β = 0.340, 95% CI 0.300-0.379), decreased TT (β = -1.101, 95% CI -1.233--0.969), PLT (β = -50.985, 95% CI -65.087--36.882), MPV (β = -1.498, 95% CI -1.875 to -1.120), PCT levels (β = -0.084, 95% CI -0.095--0.973). Additionally, follicle-stimulating hormone levels were positively associated with fibrinogen levels in women with POI. There were no statistically significant differences in PT, INR, and APTT between women with POI and controls. Women with POI exhibited decreased platelet numbers, abnormal platelet morphology, and elevated fibrinogen concentrations, potentially implicating POI's etiopathogenesis or contributing to an increased risk of cardiovascular disease in women with POI. No coagulation abnormalities were observed in women with POI.

Deucravacitinib in Plaque Psoriasis: Laboratory Parameters Through 4 Years of Treatment in the Phase 3 POETYK PSO-1, PSO-2, and LTE Trials

Introduction: Deucravacitinib, an oral, selective, allosteric tyrosine kinase 2 inhibitor, is approved in multiple countries for treatment of adults with moderate to severe plaque psoriasis who are candidates for systemic therapy. Deucravacitinib was efficacious versus placebo and apremilast and was well tolerated in the global, 52-week, phase 3 POETYK PSO-1 (NCT03624127) and POETYK PSO-2 (NCT03611751) parent trials. At Week 52, patients could enroll in the ongoing POETYK long-term extension (LTE) (NCT04036435) trial and receive open-label deucravacitinib. Changes in blood laboratory parameters known to be associated with Janus kinase (JAK) 1,2,3 inhibitors were evaluated through 4 years of deucravacitinib treatment. Methods: Changes from baseline in lipid (cholesterol, triglycerides), chemistry (alanine aminotransferase [ALT], aspartate aminotransferase [AST], creatinine, creatine phosphokinase [CPK]), and hematology (hemoglobin, lymphocytes, neutrophils, platelets) parameters in the blood known to be affected by JAK1,2,3 inhibitors in clinical trials were evaluated through Week 208 (4 years; data cutoff, November 1, 2023). Treatment discontinuations due to laboratory abnormalities were assessed. Results: A total of 1519 patients received ≥1 deucravacitinib dose (total exposure, 4392.8 person-years); 1203 (79.2%) had ≥52 weeks and 542 (35.7%) had ≥208 weeks of continuous deucravacitinib exposure (median, 185 weeks). No trends or clinically meaningful mean changes from baseline were observed in any of the above laboratory parameters. In total, 3 patients discontinued treatment due to increased CPK, and 1 patient each discontinued due to lymphopenia, abnormal hepatic function, increased ALT, and increased AST. Discontinuations due to triglyceride elevations were not observed. Conclusion: In PSO-1/PSO-2/LTE, no trends or clinically meaningful mean changes from baseline were observed in lipid, chemistry, or hematology parameters, in contrast to signature changes (eg, increased cholesterol, creatinine, serum transaminases, CPK, cytopenias) observed with JAK1,2,3 inhibitors. Discontinuations due to laboratory abnormalities noted above were rare (n=7 events) through 4 years of deucravacitinib treatment. Results suggest deucravacitinib treatment does not warrant routine laboratory testing for all patients, in contrast with the requirements for JAK1,2,3 inhibitors, reflecting its selectivity for TYK2.

Ginsenoside Rg1 Prevents and Treats Acute Pulmonary Injury Induced by High-Altitude Hypoxia.

This study aimed to investigate the protective effects of ginsenoside Rg1 on high-altitude hypoxia-induced acute lung injury (ALI) and elucidated its molecular targets and related pathways, specifically its association with the fluid shear stress pathway. Using a combination of bioinformatics analysis and both in vivo and in vitro experiments, we assessed the role of ginsenoside Rg1 in mitigating physiological and biochemical disturbances induced by hypoxia. In the in vivo experiments, we measured arterial blood gas parameters, levels of inflammatory cells and cytokines, erythrocyte and platelet parameters, and conducted histological analysis in rats. The in vitro experiments utilized human pulmonary microvascular endothelial cells (HPMECs) and A549 cells to examine cell viability, intracellular reactive oxygen species (ROS) and Ca2⁺ levels, and mitochondrial function. The results of the in vivo experiments demonstrate that ginsenoside Rg1 significantly increased arterial blood oxygen partial pressure and saturation, elevated arterial blood glucose levels, and stabilized respiratory and metabolic functions in rats. It also reduced inflammatory cells and cytokines, such as tumor necrosis factor-α and interleukin-6, and improved erythrocyte and platelet abnormalities, supporting its protective role through the regulation of the fluid shear stress pathway. Histological and ultrastructural analyses revealed that Rg1 significantly protected lung tissue structure and organelles. In vitro experiments further confirmed that Rg1 improved cell viability in HPMEC and A549 cells under hypoxic conditions, decreased intracellular ROS and Ca2⁺ levels, and enhanced mitochondrial function. These findings collectively demonstrate that ginsenoside Rg1 exerts significant protective effects against high-altitude hypoxia-induced ALI by enhancing oxygen delivery and utilization, reducing inflammatory responses, and maintaining cellular metabolism and vascular function. Notably, the protective effects of Rg1 are closely associated with the regulation of the fluid shear stress pathway, suggesting its potential for treating high-altitude hypoxia-related diseases.

Comparing quality parameters of apheresis and pooled platelet concentrates

Introduction. Harvesting of pooled platelet concentrates (PC) significantly expands the volume of transfusion support and could be used to create strategic platelet reserve.The aim of work. To compare the quality of pooled and apheresis platelet concentrates.Materials and methods. We studied platelet fractions (PF), isolated from the whole blood of cadre donors with Reveos system, platelet concentrates, obtained by pooling PF (Pooled PC), and platelet concentrates harvested by automatic apheresis. In all cases 2 days passed from the moment of blood donation to the platelet examination. In PC samples we studied cellular composition, morphofunctional parameters of platelets, pH and electrochemical parameters, hypotonic shock response.Results. The morphofunctional platelet rate in PF was significantly reduced, comparing to the normal levels. At the same time, the morphofunctional parameters of platelets did not significantly differ in PF and pooled PC. The pH values, the total content of platelets and leukocytes in the pooled PC corresponded to the requirements of The rules for procurement, storage, transportation and clinical use of donated blood and its components (2019). The total platelet count, the level of annexin-positive platelets, did not significantly differ in apheresis PC and pooled PC, hypotonic shock response was correct in apheresis PC and pooled PC. On the other hand, the level of platelets with granules in pooled PC was 1,8 times lower than in apheresis PC, other morphofunctional parameters of platelets in pooled PC were also reduced. Pooled PC were characterized by more positive level of open circuit potential and lower antioxidant capacity compared with apheresis PC on the same storage time.Conclusions. Platelet pooling with Reveos system is acceptable for obtaining PC doses that comply with Technical Regulations. Nevertheless, methods of pooled PC harvesting need further optimization.

Allometric fat mass index and alanine aminotransferase attenuate the associations of platelet parameters with lung cancer risk

We have previously shown that body mass index attenuates a positive association of platelet count (PLT) and inverse of mean platelet volume (MPV) with lung cancer risk in men. It is unclear whether fat mass, lean mass, or liver function tests (LFTs) show similar attenuations. Using bioelectrical impedance measurements (UK Biobank cohort) and multivariable Cox proportional hazards models, we examined the associations of allometric fat-mass index (AFI, fat mass adjusted for height), allometric lean-mass index (ALI, fat-free mass adjusted for height and fat mass), and LFTs with lung cancer risk and their multiplicative and additive interactions with platelet parameters. Based on 1573 lung cancer cases in men and 1473 in women with body composition measurements (1541 in men; 1428 in women with biomarker measurements), AFI in women, ALI in both sexes, alanine aminotransferase (ALT) and total bilirubin in men were inversely associated, while gamma-glutamyl transferase in men and alkaline phosphatase in both sexes were positively associated with lung cancer risk. Only AFI and ALT interacted inversely with PLT and positively with MPV in men. The attenuation of the associations of platelet parameters with lung cancer risk by high-AFI and high-ALT in men suggests that adiposity-related factors hinder lung-cancer-related platelet associations.

Evaluation of the Hematology Analyzer Test Performance Using Six Sigma Metrics: A Cross Sectional Study

Abstract Introduction/Objective The six sigma metric is used to assess the performance of a measurement procedure in comparison to the medical requirement. In clinical laboratories, it can be used to assess the quality of instruments or processes. This study aims to evaluate the performance of hematology analyzers using the six sigma scale. Methods/Case Report This is a descriptive cross-sectional study wherein quality control data from hematology analyzers were obtained. The mean, standard deviation, coefficient of variation, bias and sigma value of the RBC, WBC, hemoglobin, hematocrit, and platelet parameters were determined and the performance of Beckman Coulter DxH 900 was assessed by plotting a normalized OPSpecs chart. Results (if a Case Study enter NA) The WBC and platelet parameters had sigma values of more than 6. Less stringent quality control measures could be applied these parameters which include fewer Westgard rules and fewer control runs. The RBC and hemoglobin parameters had sigma values of at least 3. The hematocrit parameter had a sigma value of less than 3. Improving this parameter could be done by performing optical channel evaluation, using multiple Westgard control rules, increasing the number of control materials and the number of runs. Conclusion This study has demonstrated the analytical performance of hematology analyzers on the six sigma scale, which in turn allows for the selection of the appropriate statistical quality control rule. Ultimately, statistical quality control is only one part of a laboratory’s quality management system. The sigma quality of the testing process, as well as choosing the appropriate control rules and number of controls, may provide the basis for the total quality control strategy of the laboratory. Other pre-analytic and post-analytic factors must also be considered in formulating a laboratory total quality control plan. This would allow the laboratory to provide the best possible quality of services to its clients by increasing efficiency, reducing wastage, and incorporating continuous changes to improve the system.

A study to determine utility of platelet indices in differentiating hyperdestructive and hypoproductive thrombocytopenia.

Background: Thrombocytopenia by definition signifies a platelet count below 1,50,000/mm3 but this does not reflect the underlying pathology. Management of these patients significantly depends on identifying the primary cause of thrombocytopenia. With advances in automation, analyzers can now measure platelet parameters like mean platelet volume, Platelet distribution width, and Platelet large cell ratio which are potential biomarkers of platelet morphology. Presently, these non-invasive and cost-efficient diagnostic markers are quite underused. The study aimed to understand the relationship of instrument-derived platelet parameters with respect to the categorizing of thrombocytopenia based on underlying pathophysiology. Materials and methods: A prospective study was conducted from September 2018 to October 2020consisting of 315 cases of hyperdestructive thrombocytopenia and 54 cases of hypoproductive thrombocytopenia. After collecting the important clinical details, platelet count along with instrument-derived platelet indices was noted. A comparison of platelet indices was done between the two groups. Results: In the hyper-destructive group, the mean platelet indices were found to be significantly higher in comparison to the hypo-productive group. No significant correlation was obtained between the platelet count severity and various platelet indices. Mean platelet volume had the highest sensitivity and specificity in differentiating hyper-destructive thrombocytopenia from the hypo-productive group. Conclusions: Platelet indices aid in distinguishing hyper-destructive from hypo-productive causes of thrombocytopenia. Of the three indices analyzed, Mean platelet volume was shown to be a better parameter in differentiating the two groups.

A study to determine utility of platelet indices in differentiating hyperdestructive and hypoproductive thrombocytopenia.

Background: Thrombocytopenia by definition signifies a platelet count below 1,50,000/mm3 but this does not reflect the underlying pathology. Management of these patients significantly depends on identifying the primary cause of thrombocytopenia. With advances in automation, analyzers can now measure platelet parameters like mean platelet volume, Platelet distribution width, and Platelet large cell ratio which are potential biomarkers of platelet morphology. Presently, these non-invasive and cost-efficient diagnostic markers are quite underused. The study aimed to understand the relationship of instrument-derived platelet parameters with respect to the categorizing of thrombocytopenia based on underlying pathophysiology. Materials and methods: A prospective study was conducted from September 2018 to October 2020consisting of 315 cases of hyperdestructive thrombocytopenia and 54 cases of hypoproductive thrombocytopenia. After collecting the important clinical details, platelet count along with instrument-derived platelet indices was noted. A comparison of platelet indices was done between the two groups. Results: In the hyper-destructive group, the mean platelet indices were found to be significantly higher in comparison to the hypo-productive group. No significant correlation was obtained between the platelet count severity and various platelet indices. Mean platelet volume had the highest sensitivity and specificity in differentiating hyper-destructive thrombocytopenia from the hypo-productive group. Conclusions: Platelet indices aid in distinguishing hyper-destructive from hypo-productive causes of thrombocytopenia. Of the three indices analyzed, Mean platelet volume was shown to be a better parameter in differentiating the two groups.

Study the Relationship between the Platelet Parameters and Hyperlipidemia

Study the Relationship between the Platelet Parameters and Hyperlipidemia

Metabolic consequences on platelet parameters: Mean platelet volume and platelet distribution width in type 2 diabetes mellitus

Background: Diabetes mellitus encompasses metabolic disorders marked by chronic hyperglycemia, leading to various complications. It is considered a prothrombotic state associated with increased platelet reactivity. Parameters such as mean platelet volume (MPV) and platelet distribution width (PDW), which are indicative of platelet size, enzymatic activity, and prothrombotic risk, can be readily assessed during routine hematological analysis, facilitating early detection of this prothrombotic state. Aims and Objectives: The study aimed to investigate the varied alterations in platelet parameters in type 2 diabetes mellitus (T2DM) patients and tried to elucidate these parameters’ predictive role in diabetes complications. Materials and Methods: This prospective cross-sectional study was conducted between February 2022 and February 2024, involving 100 patients with T2DM and 100 healthy non-diabetic individuals. MPV, PDW, fasting blood glucose (FBS), and glycated hemoglobin (HbA1c) levels were measured and analyzed. Statistical analysis was carried out using the Student’s t-test, Mann–Whitney U-test, Chi-square test, and Spearman’s correlation tests in the Statistical Package for the Social Sciences software (version 21.0). Results: Most of the patients were in the age group of 40–70 years with male predominance. In comparing the 100 diabetics and 100 non-diabetics groups, MPV and PDW levels were notably higher in diabetics (11.46±1.75 vs. 9.40±1.02 fl, 21±2.57 vs. 16.72±1.48%) with statistical significance (P&lt;0.01). Similarly, FBS and HbA1C levels were elevated among diabetics (179.38±70.25 vs. 90.64±5.93, 7.83±2.24 vs. 5.02±0.64) along with a positive correlation between platelet indices (MPV and PDW) and FBS, HbA1c levels in patients with T2DM. In addition, diabetic patients with complications exhibit significantly higher MPV, PDW, FBS, and HbA1c levels compared to those without complications. Conclusion: MPV and PDW levels show significant alterations in T2DM patients, with consistently elevated values, especially in those with complications. This underscores their potential importance as key indicators alongside glycemic indices such as FBS and HbA1c, in monitoring diabetes progression and anticipating associated complications.

Comparison of the Volumetric Parameters of Platelets in Diabetic Children with and without Diabetic Ketoacidosis: A Case-Control Study in the North of Iran

Background: This study aimed to determine the volumetric parameters of platelets including MPV (Mean Platelet Volume) and PDW (Platelet Distribution Width) in diabetic children with and without diabetic ketoacidosis (DKA) and to evaluate their relationship with the severity of DKA. Materials and Methods: A case-control study was conducted on 112 children with type 1 diabetes mellitus (T1DM), with and without DKA, who referred to Amirkola Children's Hospital, Iran, in 2016-2021. Of them, 43 were boys, and 69 were girls. The diagnosis of diabetes was based on clinical symptoms and diagnostic criteria, and DKA was diagnosed through the analysis of arterial blood gas. The patients’ MPV and PDW were also evaluated, and the P values less than 0.05 were considered significant. Results: Out of 112 children with diabetes (with the mean age of 8.71 ± 3.22 years), 56 persons had DKA. In terms of DKA severity, 17 patients (30.4%) had mild, 29 (51.8%) had moderate, and 10 (17.8%) had severe DKA. The children with DKA had the mean blood glucose of 490.98±46.11mg/dL, MPV of 10.02± 1.19fl), and PDW of 13.07± 1.18flwere significantly higher (P&lt;0.001). It was found that, an increase in the severity of DKA would raise the mean MPV (P = 0.006) and PDW(P&lt;0.001) significantly. Conclusion: Based on the results of this study, as the severity of DKA increases in diabetic children, the mean levels of MPV and PDW increase significantly. Therefore, it is suggested that MPV and PDW be used to predict the severity of DKA in diabetic children.