BACKGROUNDRecurrent malignant pleural effusion and spontaneous pneumothorax can be treated by a procedure called pleurodesis by which the pleural space is obliterated. This can be done by surgical means using mechanical force or by introducing any one of the recommended agents into the pleural space via tube thoracostomy or during thoracoscopy. Examples of agents used are talc as powder or as slurry, tetracycline derivatives, antineoplastic agents (Bleomycin, mitoxantrone), quinacrine, silver nitrate, Corynebacterium parvum and iodopovidone. The aim of the present study was to evaluate the safety and efficacy of iodopovidone as a sclerosing agent in the treatment of recurrent pleural effusion and spontaneous pneumothorax. This was a randomized prospective interventional study comparing iodopovidone with oxytetracycline as the latter is now sparingly available for clinical use. MATERIAL AND METHODSStudy was conducted in 44 patients above 12 years of age, admitted in the Dept. of Pulmonary Medicine, Goa Medical College. Patients with a diagnosis of spontaneous pneumothorax or recurrent malignant pleural effusion were randomly allocated to either iodopovidone or oxytetracycline group and pleurodesis was done as per British Thoracic Society Guidelines (BTS). 1 RESULTSAmong 44 patients 23 were secondary spontaneous pneumothorax, 9 were primary spontaneous pneumothorax and 12 were malignant pleural effusion; 2 patients did not report for follow-up visits and the remaining 42 patients were followed up for 6 months. The success rate of oxytetracycline and iodopovidone pleurodesis is 81% and 95.2% respectively. All the patients had chest pain of varying severity during the procedure in either groups; 8 patients in oxytetracycline group and 6 patients in iodopovidone group had fever after the procedure; 2 patients in iodopovidone group developed hypotension after the procedure and there was no mortality in either group attributable to the procedure. CONCLUSIONSIodopovidone as a pleural sclerosant is comparable with oxytetracycline as regards its efficacy and safety profile. The success rate of iodopovidone pleurodesis is superior to that of oxytetracycline pleurodesis; however, the difference is statistically not significant (p <0.005). Iodopovidone is an effective, safe, readily available alternative to oxytetracycline as a sclerosing agent in recurrent incapacitating effusions and spontaneous pneumothoraces, regardless of their etiology.
BACKGROUNDFlexible bronchoscopy is one of the main modalities for diagnosis of lung cancer and since in most centres of developing countries advanced guided bronchoscopic techniques are unavailable there is need to study the diagnostic yield of this procedure in the absence of imaging facilities like C-arm and EBUS.
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