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J Thorac Cardiovasc Surg 2006;132:556-559
© 2006 The American Association for Thoracic Surgery

General Thoracic Surgery

Autologous blood patch in persistent air leaks after pulmonary resection

^a Thoracic Surgery Division, Carlo Poma Hospital, Mantova, Italy.
^b Pneumology Division and Intensive Respiratory Unit, Carlo Poma Hospital, Mantova, Italy.

Received for publication April 12, 2006; revisions received May 22, 2006; accepted for publication May 23, 2006.

^_* Address for reprints: Andrea Droghetti, MD, C. Poma Hospital, Thoracic Surgery Division, Viale Albertoni 1, 46100 Mantova, Italy. (Email: ADroghetti{at}libero.it).

OBJECTIVE: Persistent air leak is among the most common complications after pulmonary resection, leading to prolonged hospitalization and increased costs. At present there is not yet a consensus on their treatment.

METHODS: During a 7-year experience, 21 patients submitted to pulmonary resection were postoperatively treated with an autologous blood patch for persistent air leaks. Persistent air leaks were catalogued twice daily according to the classification previously reported by Cerfolio and associates. Chest radiographs showed a fixed pleural space deficit in 18 (86%) patients. A total of 50 to 150 mL of autologous blood was drawn from the patient and injected into the chest tube, which was removed 48 hours after cessation of the air leak.

RESULTS: We observed a 4% incidence of persistent air leaks after pulmonary resection in our series. Persistent air leaks were categorized as follows: 14% forced expiratory, 57% expiratory, 29% continuous, and 0% inspiratory. The mean duration of prolonged air leaks was 11 days after surgery. In 81% of the cases examined, a blood patch was only carried out once and gave successful results within 24 hours. In the remaining 19% of cases, the air leak ceased within 12 hours after the second procedure. Mean hospital stay was 15 days. In our experience this procedure had a 100% success rate.

CONCLUSIONS: Pleurodesis with an autologous blood patch is well tolerated, safe, and inexpensive. This procedure is an effective technique for treatment of postoperative persistent air leaks, even in the presence of an associated fixed pleural space deficit.

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