General thoracic surgery
Salvage esophagectomy after high-dose chemoradiotherapy for esophageal squamous cell carcinoma

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Objective

Chemoradiotherapy is a popular definitive therapy for esophageal carcinoma among many patients and oncologists. Although the complete response rates are high and short-term survival is favorable after chemoradiotherapy, persistent or recurrent locoregional disease is frequent. Salvage surgery is the sole curative intent treatment option for this course of the disease. The present study evaluates the safety and value of salvage esophagectomy for locoregional failure after high-dose definitive chemoradiotherapy for esophageal squamous cell carcinoma.

Methods

We reviewed 59 consecutive patients with thoracic esophageal squamous cell carcinoma who underwent salvage esophagectomy after definitive chemoradiotherapy. All patients received more than 60 Gy of radiation plus concurrent chemotherapy for curative intent. The data were compared with those of patients who received esophagectomy without preoperative therapy.

Results

Postoperative morbidity and mortality rates were increased among patients who underwent salvage esophagectomy compared with those who underwent esophagectomy without preoperative therapy (mean hospital stay, 38 vs 33 days; anastomotic leak rates, 31% vs 25%; respiratory complication rates, 31% vs 20%; reintubation within 1 week, 2% vs 2%; hospital mortality rates, 8% vs 2%). Tracheobronchial necrosis and gastric conduit necrosis were highly lethal complications after salvage esophagectomy; 3-year postoperative survivals were 38% and 58%, respectively.

Conclusion

Patients who underwent salvage esophagectomy after definitive high-dose chemoradiotherapy had increased morbidity and mortality. Nevertheless, this is acceptable in view of the potential long-term survival after salvage esophagectomy. Such treatment should be considered for carefully selected patients at specialized centers.

Abbreviations and Acronyms

CR
complete response
CRT
chemoradiotherapy
RTOG
Radiation Therapy Oncology Group

CTSNet classification

7

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This work was supported by a Grant-in Aid for Cancer Research from the Ministry of Health, Labour and Welfare, Japan.