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Procalcitonin and brain natriuretic peptide as parameters in the postoperative course of patients with major pulmonary resection

Division of Thoracic Surgery, University Hospital Berne, Inselspital Berne, 3010 Berne, Switzerland

*Corresponding author. Tel.: +41-31-6322330; fax: +41-31-6322327.

E-mail address: r.fahrner{at}web.de (R. Fahrner).

Postoperative infections and cardiac events are the major morbidity factors after thoracic surgery and dominating causes of death. Therefore, a sensitive blood marker is needed for an early diagnosis of complications. Twenty-two patients admitted with lung cancer were enrolled in this study. Procalcitonin, brain natriuretic peptide, C-reactive peptide and interleukin-6 levels were recorded preoperatively and postoperatively on days 1–5. Laboratory values of patients with cardiac or infectious complications were compared to patients without complications. During postoperative course procalcitonin and brain natriuretic peptide levels elevated in all patients, but both had higher peak levels in patients with infectious or cardiac complication than without these complications. Interleukin-6 levels were increased on day one and showed a slower decrease in case of complications than without complications. In general, brain natriuretic peptide and procalcitonin levels are increased in the postoperative course after major pulmonary resection, but cardiac and infectious complications are associated with higher levels and a slower decrease than without complications. Interleukin-6 levels showed a slower decrease in patients with complications in the postoperative course than without complications. So the combination of procalcitonin, brain natriuretic peptide, and interleukin-6 seems to be useful for an optimized postoperative monitoring.

Key Words: Brain natriuretic peptide; Proclacitonin; Interleukin; Pulmonary resection; Complications