Does a novel Indwelling Pleural Catheter drainage system improve patient experience?

Introduction: Indwelling pleural catheters (IPCs) are used to manage recurrent pleural effusions. Current IPCs are usually drained by vacuum bottles that can cause pain and discomfort in some patients, especially those with non-expandable lung (NEL). A new system, Geyser (Tintron Labs), has been developed to drain IPCs of all brands using an electronic pump with a drainage profile designed to reduce discomfort.

Aims: To explore patient experience of the Geyser system compared to current IPC drainage technique.

Methods: 15 patients with IPCs at North Bristol NHS Trust were enrolled and drained with both the Geyser system and standard vacuum bottle drainage with outcome questionnaires completed after each drainage. Time taken and fluid volume drained were recorded.

Results: Mean drainage volume using Geyser was 596ml (SD279.3) and 542ml (273.7) with bottle drainage. Mean time was 9.46min (4.5) using Geyser and 6.3min (3.3) standard. Post drainage visual analogue pain scores in the Geyser group were 9.1mm (10.2) and 21.9mm (22.8) in the standard group (95% CI 1.7-24.0 p=0.027). This reduction in pain scores was similar in both NEL and expandable lung groups. Satisfaction scores and qualitative data favoured Geyser, highlighting the lower environmental impact of Geyser.

Conclusion: This study found Geyser was an acceptable IPC drainage technique. Post drainage pain scores were lower using Geyser and drainage volumes similar to vacuum bottles.