Feasibility of Ambulatory Talc. Pleurodesis

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Eligible patients will be offered enrolment in the trial along with standard of care options. Participants who agree to take part in the trial would be consented for chest drain, talc pleurodesis on an ambulatory pathway. On day 1 a standard chest drain would be inserted in the morning and large volume fluid removal would commence using an underwater seal bottle- as per standard care. A chest x-ray would be undertaken to confirm drain position, as per standard care. The investigators would remove 1000mls of fluid (stopping earlier if not tolerated) and the clamp the drain for one hour. The investigators would then open the drain again and drain up to 500mls before again clamping for one hour. The investigators would repeat this process as frequently as possible until the end of the working day. The drain would then be connected to an ambulatory bag instead of the underwater seal bottle and left in the open position. The patient would then be sent home to return on day 2. On day 2 the drain would be flushed, aspirated and the output assessed. If there is still fluid output the investigators would drain up to 500mls and close the drain for an hour and repeat. If there is no further output the investigators would undertake a chest x ray to ensure the effusion has resolved and the lung has fully inflated. If it has the investigators would proceed to talc slurry instillation (with 20mls 1% lidocaine as per standard practice) and clamp the drain for 2 hours. After this the investigators would open the drain again and drain up to 500mls and close the drain for an hour. The investigators would repeat this as required and again the patient would return home with an ambulatory bag left open. If the effusion has resolved but the lung has not fully expanded due to underlying disease then the investigators would simply remove the chest drain as pleurodesis will not be possible. On day 3 the drain would be flushed, aspirated and the output assessed. If there is still fluid output the investigators would drain up to 500mls and close the drain for an hour and repeat. If there is no further output the investigators would undertake a chest x ray to ensure the effusion has resolved and the lung has fully inflated. the investigators would then remove the drain and repeat the x-ray to confirm there have been no complications. the investigators would then consider the intervention complete and revert to standard care (open access follow up ) If there was still significant fluid output the investigators would repeatedly drain 500ml volumes of fluid and clamp the drain for an hour after each 500ml until dry. The investigators would ask patients to complete a very brief questionnaire (visual analogue scale) on breathlessness and chest pain on day 1 - before intervention, 1 hour post drain insertion, at the end of the day and on day 2 and 3 on first encounter and at the end of the day. The investigators would also repeat the questionnaire on day 30 along with their satisfaction with the procedure and if participants would have preferred to have stayed in hospital for the procedure (and why)