Intrapleural streptokinase for empyema and complicated parapneumonic effusions

Diacon A.H. ; Theron J. ; Schuurmans M.M. ; Van De Wal B.W. ; Bolliger C.T. (2004)


We conducted a single-center, randomized, placebo-controlled trial to determine whether streptokinase instillations adjunctive to chest tube drainage reduce the need for surgery and improve outcome in patients with pleural empyema. Fifty-three patients (frank pus aspirated, 81%; microbiological agent cultured, 62%; mean effusion pH, 6.6 ± 0.4) received antibiotic treatment, chest tube drainage, and once-daily pleural rinses with either normal saline or normal saline with streptokinase (250,000 IU). Nine patients were excluded for various reasons before pleural rinses were started. Streptokinase (n = 22) was instilled over 4.5 ± 2 days and saline (n = 22) was instilled over 3 ± 1.3 days. One patient in each group died during treatment, Clinical treatment success and need for referral to surgery were the main outcome measures. No difference was observed after 3 days. After 7 days, streptokinase-treated patients had a higher clinical success rate (82 vs, 48%, p = 0.01) and fewer referrals for surgery (45 vs, 9%, p = 0.02). No significant radiologic or functional differences were observed between groups during follow-up over 6 months. We conclude that intrapleural streptokinase adjunctive to chest tube drainage reduces the need for surgery and improves the clinical treatment success in patients with pleural empyema.

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