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NCT05903417
Parapneumonic effusions caused by an infection of the pleural membranes occur in 40-57% of cases of pneumonia. A variable percentage (10-20%) of parapneumonic effusions progresses to empyema (pus) and/or abscess formation (encapsulation). Pleural infection is associated with significant morbidity and mortality which may be as high as 20-35% in immunocompromised patients Standard treatment of these collections in adults involves antibiotic therapy, effective drainage of infected fluid and surgical intervention if conservative management fails. For parapneumonic effusions which require clearance, appropriate therapy is effective drainage via an intercostal catheter (ICC) with antibiotic therapy. The presence of fibrinous septae in the pleural space, known as loculations, may result in inadequate drainage of effusions and therefore non-resolution of infection and systemic sepsis. Without effective intercostal catheter drainage, surgical intervention (VATS or open) has usually been required to clear loculations for resolution of infection. Non-surgical treatment options to reduce the impact of adhesions and locule include (in addition to appropriate antibiotic therapy) single and multiple thoracocentesis, or single and multiple intercostal tube thoracostomies, with or without intrapleural fibrinolytic agents. Fibrinolytic agents including streptokinase, urokinase, alteplase and recombinant tissue plasminogen activator (rTPA) have been used safely and effectively intrapleurally for complicated pleural effusion and empyema. MIST 2 trial has established intrapleural therapy as the mainstay of CPEE treatment hence avoiding surgery and decreasing the length of hospitalization; however, little is known about the correct dosage needed for tPA and DNase. Dose and duration of intrapleural therapy based on MIST 2 involve multiple dosing and can be time-consuming for health care providers . Previous studies showed that complexity of treatment is a factor associated with poor adherence to a regimen. For this reason, trying to find the minimum effective dose and simplifying the regimen is essential for minimizing side effects and maximizing adherence. The review of currently available literature shows concurrent administration of tPA and DNase to be safe and effective even at lower cumulative dose Other study was carried out in May 2022 in which Modified regimen intrapleural alteplase 16 mg t-PA with 5 mg DNase for total 3 doses that administered sequentially within 24 h had been used. In this study, modified regimen of t-PA and DNase offer an alternative therapeutic option for patients that are unfit or refuse surgical intervention but persistent pleural infection. They have demonstrated similar treatment success comparable to other studies, as evidenced by improvement on pleural fluid drainage and reduction in pleural opacity on day 7 chest x-ray was approximately 50% from the baseline using intrapleural 16 mg t-PA with 5 mg DNase. The mechanism of action of t-PA and DNase in pleural cavity remain unclear. Studies suggested that IPFT may trigger the monocyte chemoattractant protein 1 (MCP-1) pathway which promote pleural fluid formation and subsequently causes a therapeutic lavage effect that increases pleural fluid drainage. Another option for intrapleural therapy may be pleural irrigation with normal saline. The idea behind is to dilute and remove bacteria, cytokines, inflammatory cells, and pro-fibrinogenic coagulation factors, which induce pleural fluid organization. Also, the mechanical process of irrigation increases pleural fluid drainage by reducing stasis and organization of the intrapleural contents . A randomised controlled pilot study in which saline pleural irrigation (three times per day for 3 days) plus best-practice management was compared with best-practice management alone was performed in patients with pleural infection requiring chest-tube drainage. The primary outcome was percentage change in computed tomography pleural fluid volume from day 0 to day 3. Patients receiving saline irrigation had a significantly greater reduction in pleural collection volume on computed tomography compared to those receiving standard care. Significantly fewer patients in the irrigation group were referred for surgery (30). However, till date there is no study done on head to head comparison between intrapleural fibrinolytic with alteplase and DNAse Versus Pleural irrigationwith normal saline.
NCT06427538
Infections of the pleural space are common, and patients require antibiotics and chest drain placement to evacuate the chest from the infected fluid. Chest drains can get blocked by the drainage fluid and material. For this reason, it is thought that flushing the chest drain with saline solution, can help maintain the patency of the tube. This proposed study will evaluate the impact of regular chest drain flushing on the length of time to chest tube removal and total hospitalization as well as improvement in chest imaging and the need for additional interventions on the infected space.
NCT07194915
Pleural infection is a severe and complicated disease which is associated with significant morbidity and mortality. People with pleural infection show diverse levels of neutrophil degranulation activity. The investigators examined the biological role of pleural fluid neutrophil extracellular traps in patients with pleural infection. TORPIDS-3 is an observational, International multicohort study.
NCT05702580
The goal of this study is to compare the microbiologic diagnostic yield of pre-aspiration agitated pleural fluid versus that of conventionally aspirated fluid in pleural infection patients. The main question it aims to answer is, whether fluid agitation helps to increase the microbiological yield.
NCT06141174
pleural infection remains a common medical problem with significant mortality and morbidity despite a better undrstanding of the aetiology , pathophysiology and recent advances in management approaches . the cornerstones of the managment op pleural infection include early identification of cases and accurate diagnosis . suitable antibiotic therapy , nutrition managment , efficient drainage of infected collection via chest tube with or without adjunctive therapies including intrapleural agents and ultimately surgical managment .
NCT04615286
Infection of the pleural space is serious condition that requires hospitalization, invasive interventions and long courses of antibiotics\[1\]. Treatment of pleural infection requires long hospital admission with a median of 19 days\[2\] and medical treatments fails requiring surgical intervention in up to 30% of cases\[3\]. The mortality from pleural infection is around 10% at 3 months\[4\]. Besides drainage of the infected fluid, antibiotics are a core component of management of pleural infection\[5\] and are typically given intravenously in the first few days of treatment until the condition is stabilized at which stage patients are shifted to oral antibiotics of equivalent spectrum. In almost half of the cases of pleural infection, the choice of antibiotics is entirely empirical due to low yield of microbiological tests on pleural fluid in these cases\[6\]. International guidelines cite a minimum length of antibiotic course of pleural infection of four weeks\[5,7\] with antibiotic courses typically lasting six weeks\[8\]. However, these recommendations are based on expert opinion with no robust evidence to support such durations. The RAPID (renal function, age, purulence, infection source and dietary factors) score has recently been validated as a robust tool to predict 3-month mortality of patients with pleural infection based on demographic and laboratory data (table 1)\[4\]. A low score (0-2) is associated with 2-3% mortality, medium score (3-4) 9% mortality and high score (5-7) 30% mortality at three months\[9\]. The utility for this score in clinical management is yet to be determined and this study will attempt using this score to stratify lengths of antibiotic treatment based on proposed risk of adverse outcomes as stipulated by the RAPID score. The aim of this study is to investigate the feasibility and safety of prescribing shorter courses of antibiotics (2-3 weeks) versus the standard longer courses (4-6 weeks) in medically-treated patients with pleural infection at lower risk of mortality (RAPID score 0-4) who can be safely discharged home within 14 days of hospitalization and how this impacts success of medical treatment.
NCT03468933
The purpose of this prospective randomized clinical trial is to compare two currently accepted standard-of-care treatment strategies: Medical thoracoscopy as compared to instillation of intrapleural tissue Plasminogen Activator (TPA) and human recombinant Deoxyribonuclease (DNase) for the management of empyema or complicated parapneumonic effusion (CPPE) in adults.
NCT04301869
We aim to conduct a pilot trial assessing oral versus intravenous therapy for pleural space infections.
NCT02608814
Pleural infection is a potentially serious infection of the fluid normally found around the lung and current evidence suggests its incidence is increasing in both adult and paediatric populations. Identification of bacterial pathogens causing pleural infection is of paramount importance in the clinical care of patients are currently, only 40% of patients have a laboratory confirmed microbiological diagnosis for their pleural infection. An unclear diagnosis can be due to various reasons such as a small sample volume therefore the aim of the AUDIO study is to ascertain the capacity of pleural biopsies in improving the microbiological yield of pleural infection. Currently, there are no well validated methods for identifying patients presenting with pleural infection on the basis of initial ultrasound imaging. The AUDIO study will define the role of baseline thoracic ultrasound in predicting the radiographic, clinical and surgical outcomes of patients with pleural infection. The AUDIO study aims to recruit 50 patients from 2 centres with specific pleural expertise and these patients will be followed up over a 12 month period. Investigators hope that through the information gathered from ultrasound imaging and pleural biopsies, it will aid physicians' clinical and therapeutic decision making when treating patients with pleural infection.