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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT03480490
Other study ID # EOPE
Secondary ID
Status Not yet recruiting
Phase
First received March 19, 2018
Last updated March 26, 2018
Start date January 1, 2019
Est. completion date May 2020

Study information

Verified date March 2018
Source Assiut University
Contact Walaa R Ahmed, MD
Phone 01015226240
Email walaarashad226240@gmail.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Pleural effusion is the accumulation of excess fluid in the pleural cavity, which results in disturbance of the equilibrium between vascular hydrostatic and oncotic pressures. The underlying causes of pleural effusion include pleural inflammation or infection, congestive heart failure, lymphatic drainage blockage and malignancy.A parapneumonic effusion is a pleural effusion associated with lung infection. Early in the course of parapneumonic effusion, the pleura becomes inflamed with leakage of cellular elements, protein, and fluid into the pleural space, forming the effusion. Subsequent bacterial invasion results in a frank empyema, the presence of which often requires thoracentesis.


Description:

A delay in the diagnosis and initiation of proper therapy for infectious effusions leads to increases in the complication rate. These delays are more common in patients with coexisting heart failure or malignancy.In fact, pleural effusion manifestations are alerting signs of pain, dyspnea, and the signs of respiratory failure due to compression of the lungs.

Other signs include tachypnea, decreased percussion, and decreased respiratory sounds. The most common cause of pleural effusion in children is parapneumonic effusion or purulent empyema.

Although the prevalence of pleural effusion is high in children, its mortality rate is low . According to the studies performed in the United States, parapneumonic effusion is known as the most common underlying cause of pleural effusion in 50% to 70% of the cases . Congenital heart diseases include 5-15% of the causes and malignancies are the rare reasons of effusion.

In general, effusions may be transudate or exudate and examination of the pleural fluid is necessary to differentiate them. Exudate is confirmed by the presence of at least one of the following criteria; pleural effusion concentration higher than half of the serum protein level, pleural effusion protein level more than 3 g/dL, pleural effusion lactate dehydrogenase higher than 200 U, pH lower than 7.2, and glucose lower than 40.

C-reactive protein is an acute phase protein that is synthesized by the liver in response to various stimuli.The induction of C-reactive protein synthesis in the liver is triggered by the production of Interleukin-6 and Tumor Necrosis Factor-alpha by local pleural cells.

The pleural fluid C-reactive protein levels are likely to reflect the serum levels because the presence of C-reactive protein in the pleural fluid may be due to increased diffusion from the blood as a result of inflamed capillary leakage.

Pleural C-reactive protein has been proposed as a specific biomarker for the differential diagnosis of pleural effusions and reportedly exhibits higher sensitivity and specificity than serum C-reacive protein. C-reactive protein can be considered a good candidate due to its 1000-fold elevation in response to infection and the positive correlation between the serum and pleural C-reactive protein levels. Pleural fluid C-reactive protein level was significantly higher in exudates than that in transudative effusion.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 25
Est. completion date May 2020
Est. primary completion date January 1, 2020
Accepts healthy volunteers No
Gender All
Age group 1 Month to 18 Years
Eligibility Inclusion Criteria:

- This study will be conducted upon patients(male and females),from 1 month to 18 years with para-pneumonic effusion at assuit university pediatric hospital from January to june 2019 after taking consents.

Exclusion Criteria:

- age: >18 years old congenital heart disease lymphatic drainage blockage post traumatic pleural effusion renal diseases hepatic diseases neoplastic diseases

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Pleural fluid C-reactive protein
C-reactive protein is an acute phase protein that is synthesized by the liver in response to various stimuli. The pleural fluid c-reactive protein levels are likely to reflect the serum levels because the presence of c-reactive protein in the pleural fluid may be due to increased diffusion from the blood as a result of inflamed capillary leakage. Pleural c-reactive protein has been proposed as a specific biomarker for the differential diagnosis of pleural effusions and reportedly exhibits higher sensitivity and specificity than serum c-reactive protein. c-reactive protein can be considered a good candidate due to its 1000-fold elevation in response to infection and the positive correlation between the serum and pleural c-reactive protein levels. Pleural fluid c-reactive protein level was significantly higher in exudates than that in transudative effusion.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Assiut University

References & Publications (1)

Adeoye PO, Johnson WR, Desalu OO, Ofoegbu CP, Fawibe AE, Salami AK, Fadeyi A, Akin-Dosumu AA, Rasheedat IM; Ilorin Pleural Effusion Study Group. Etiology, clinical characteristics, and management of pleural effusion in Ilorin, Nigeria. Niger Med J. 2017 Mar-Apr;58(2):76-80. doi: 10.4103/0300-1652.219349. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary cure rate from effusion to evaluate the cure rate from para-pneumonic effusion among children baseline
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