Related Experiment Videos

Thrombocytosis in pediatric patients is associated with severe lower respiratory tract inflammation

Vasiliki Vlacha1, Gavriela Feketea

  • 1Division of Pediatric Hematology-Oncology, Department of Pediatrics, University Hospital of Patras, Patras, Greece. vasovlaha@mail.gr

Insights

Thrombocytosis, or high platelet count, is common in pediatric lower respiratory tract infections and indicates a more severe illness. This finding is particularly linked to pleural effusion and can serve as a clinical marker for infection severity.

Area of Science:

  • Pediatric infectious diseases
  • Hematology
  • Clinical pathology

Background:

  • Secondary thrombocytosis is linked to various clinical conditions.
  • Understanding its role in lower respiratory tract infections (LRTI) is crucial.

Purpose of the Study:

  • To determine the incidence of thrombocytosis in pediatric LRTI.
  • To analyze the clinical significance and prognostic value of thrombocytosis in LRTI.

Main Methods:

  • A retrospective study of 102 pediatric patients hospitalized with LRTI over 30 months.
  • Platelet counts were analyzed, with thrombocytosis defined as >500 x 10(9)/L.

Main Results:

  • 48% of patients exhibited thrombocytosis.
  • Thrombocytotic patients were younger and presented with more severe illness, including respiratory distress and longer hospital stays.
  • Pleural effusion was almost exclusively observed in thrombocytotic patients.

Conclusions:

  • Thrombocytosis is a frequent finding in pediatric LRTI, correlating with increased disease severity.
  • The presence of thrombocytosis, especially with pleural effusion, may serve as a valuable clinical marker for LRTI severity.
Abstract

Related Concept Videos

Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...