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Updated: Jan 22, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
Published on: November 10, 2023
Quality of life after interventions for malignant pleural effusions: a systematic review
Parthipan Sivakumar1, Anita Saigal2, Liju Ahmed3
1Centre for Human & Applied Physiological Sciences, King's College London School of Medical Education, London, UK deepan.sivakumar@kcl.ac.uk.
Background:
Malignant pleural effusion (MPE) results in breathlessness and impairment of health-related quality of life (HRQOL). This study reviews the existing literature on HRQOL following invasive interventions in MPE.
Methods:
Five electronic databases were systematically searched and assessed three times during the review process and last completed on 15 June 2018. We included all studies evaluating HRQOL outcomes for the following interventions: therapeutic thoracocentesis, talc slurry (TS) pleurodesis, indwelling pleural catheter (IPC) insertion and thoracoscopic talc poudrage (TTP) pleurodesis. Meta-analysis was not performed due to substantial heterogeneity in the published data.
Results:
17 studies were included in the review reporting HRQOL outcomes in 2515 patients. TTP, TS and IPC were associated with modest but inconsistent improvements in HRQOL up to 12 weeks. No intervention was significantly different from another in HRQOL outcomes at any time point. The attrition to follow-up was 48.3% (664/1374) at 3 months. The overall quality of studies was inadequate.
Conclusion:
TTP, TS and IPC seem to improve HRQOL in MPE over 4-12 weeks, but there are insufficient longer term data due to high attrition rates. Evidence on the most effective treatment strategy is limited by the small number of randomised or comparative studies.
Trial Registration Number:
CRD42016051003.
Insights
Malignant pleural effusion interventions like talc slurry pleurodesis and indwelling pleural catheters offer short-term quality of life improvements. However, high attrition rates limit long-term data and evidence on the most effective strategy remains limited.
Area of Science:
- Pulmonology
- Oncology
- Palliative Care
Background:
- Malignant pleural effusion (MPE) significantly impairs patients' health-related quality of life (HRQOL) and causes breathlessness.
- Invasive interventions are used to manage MPE, but their impact on HRQOL requires thorough review.
Purpose of the Study:
- To systematically review the literature on HRQOL outcomes following invasive interventions for malignant pleural effusion.
- To evaluate the effectiveness of therapeutic thoracocentesis, talc slurry pleurodesis, indwelling pleural catheter insertion, and thoracoscopic talc poudrage.
Main Methods:
- A systematic search of five electronic databases was conducted, with assessments completed by June 2018.
- Included studies focused on HRQOL outcomes for specific MPE interventions.
- Meta-analysis was precluded by significant heterogeneity in the collected data.
Main Results:
- Seventeen studies involving 2515 patients reported HRQOL outcomes.
- Thoracoscopic talc poudrage, talc slurry, and indwelling pleural catheters showed modest, inconsistent HRQOL improvements up to 12 weeks.
- No significant differences in HRQOL were observed between interventions at any time point. Attrition rates at 3 months were high (48.3%), and study quality was generally inadequate.
Conclusions:
- Interventions such as thoracoscopic talc poudrage, talc slurry, and indwelling pleural catheters may enhance HRQOL in MPE patients over 4-12 weeks.
- Insufficient long-term data exists due to high patient attrition rates.
- Limited randomized or comparative studies restrict evidence on optimal treatment strategies for MPE.
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