European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery · 2008
Airway colonisation and postoperative pulmonary complications after neoadjuvant therapy for oesophageal cancer.
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D'Journo Xavier Benoit, Michelet Pierre, Papazian Laurent, Reynaud-Gaubert Martine, Doddoli Christophe, Giudicelli Roger, Fuentes Pierre A, Thomas Pascal Alexandre
Аннотация
OBJECTIVE: To evaluate the clinical relevance of preoperative airway colonisation in patients undergoing oesophagectomy for cancer after a neoadjuvant chemoradiotherapy.
METHODS: From 1998 to 2005, 117 patients received neoadjuvant chemoradiotherapy for advanced stage oesophageal cancer. Among them, 45 non-randomised patients underwent a bronchoscopic bronchoalveolar lavage (BAL group) prior to surgery to assess airways colonisation. The remaining patients (n=72) constituted the control group. The two groups were similar with respect to various clinical or pathological characteristics.
RESULTS: Thirteen of the 45 BAL patients (28%) had a preoperative bronchial colonisation by either potentially pathogenic micro-organisms (PPMs) (n=7, 16%) or non-potentially pathogenic micro-organisms (n=6, 13%). Cytomegalovirus (CMV) was cultured from BAL in four patients. Pre-emptive therapy was administrated in seven patients: four antiviral and three antibiotic prophylaxes. Postoperatively, 14 patients (19%) developed acute respiratory distress syndrome (ARDS) in the control group and three (7%) in the BAL group (p=0.064). The cause of ARDS was attributed to CMV pneumonia in six control group patients on the basis of the results of open lung biopsies (n=3) or BAL cultures (n=3) versus none of the BAL group patients (p=0.08). Timing for extubation was shorter in the BAL group (mean 13+/-3 h) as compared with the control group (mean 19.5+/-14 h; p=0.039). In-hospital mortality was not significantly lower in BAL group patients when compared to that of control group patients (8% vs 12.5%).
CONCLUSIONS: Airway colonisation by PPMs after neoadjuvant therapy is suggested as a possible cause of postoperative ARDS after oesophagectomy. Pre-emptive treatment of bacterial and viral (CMV) colonisation seems an effective option to prevent postoperative pneumonia.
METHODS: From 1998 to 2005, 117 patients received neoadjuvant chemoradiotherapy for advanced stage oesophageal cancer. Among them, 45 non-randomised patients underwent a bronchoscopic bronchoalveolar lavage (BAL group) prior to surgery to assess airways colonisation. The remaining patients (n=72) constituted the control group. The two groups were similar with respect to various clinical or pathological characteristics.
RESULTS: Thirteen of the 45 BAL patients (28%) had a preoperative bronchial colonisation by either potentially pathogenic micro-organisms (PPMs) (n=7, 16%) or non-potentially pathogenic micro-organisms (n=6, 13%). Cytomegalovirus (CMV) was cultured from BAL in four patients. Pre-emptive therapy was administrated in seven patients: four antiviral and three antibiotic prophylaxes. Postoperatively, 14 patients (19%) developed acute respiratory distress syndrome (ARDS) in the control group and three (7%) in the BAL group (p=0.064). The cause of ARDS was attributed to CMV pneumonia in six control group patients on the basis of the results of open lung biopsies (n=3) or BAL cultures (n=3) versus none of the BAL group patients (p=0.08). Timing for extubation was shorter in the BAL group (mean 13+/-3 h) as compared with the control group (mean 19.5+/-14 h; p=0.039). In-hospital mortality was not significantly lower in BAL group patients when compared to that of control group patients (8% vs 12.5%).
CONCLUSIONS: Airway colonisation by PPMs after neoadjuvant therapy is suggested as a possible cause of postoperative ARDS after oesophagectomy. Pre-emptive treatment of bacterial and viral (CMV) colonisation seems an effective option to prevent postoperative pneumonia.