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Hepatogastroenterology. 1994 Dec;41(6):568-70.

OK-432 chemical pleurodesis for the treatment of persistent chylothorax.

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  • 1First Department of Surgery, Nagoya University School of Medicine, Japan.


A 52-year-old woman with thoracic esophageal carcinoma was admitted to our hospital. Standard radical esophagectomy was carried out via a right posterolateral thoracotomy and laparotomy. A drainage tube was removed from the right side of the chest on the 9th postoperative day. Three days later a chest roentgenogram showed massive left pleural effusion, and a tube was inserted into the left pleural cavity. The volume of the effusion was 900 ml/day and chylothorax was diagnosed. Conservative therapy was applied for 30 days, but chyle leakage persisted. Intra-pleural infusion of OK-432, a Su-strain of Streptococcus pyogenes, and doxycycline hydrochloride was carried out to seal the leakage point. The effusion stopped immediately after the procedure. There were no major side effects. This procedure should be considered the treatment of choice for patients with persistent chylothorax not responding to initial conservative management.

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