Esophageal Cancer: A Deadly Disease
Esophagectomy, the current standard of care for resectable esophageal cancer, is a complex surgical resection requiring stomach “pull-up” or the use of an intestinal segment that is resected with its arteries and veins and then repositioned in the chest to become the replacement esophagus. Esophagectomy, followed by stomach “pull-up” or intestinal interposition, carries a mortality rate at 90 days that can be as high as 19%. Post-operative complications may be life threatening. The most serious are pulmonary complications like respiratory failure and pneumonia, followed by leakage of gastrointestinal fluid in the chest from the place where the esophagus is surgically connected with the stomach or the intestine, which in turn can also lead to serious infections.
Central Lung Cancer: Isolated in the Bronchus
In lung cancer, although none of the four main cell types is exclusively central or peripheral in location, the majority of small-cell lung cancers and squamous cell carcinomas are centrally located in the bronchi. When the cancer affects the main bronchi or the tracheal bifurcation (carina), a pneumonectomy, the removal of an entire lung, may be necessary which reduces respiratory capacity by 50% and has a complication rate up to 50% and a post-surgical mortality rate of 8% to 15%. Biostage’s Cellspan bronchial implants are intended to preserve the lung enabling safe reattachment of the main airway.
Tracheal Cancer and Trauma: Limited Treatment Options
In tracheal cancer and trauma, when there is extensive damage to the trachea, currently there is no standard technique that allows to preserve tracheal length and function following resection, leading to high rates of complications and mortality. Biostage’s tracheal implants are intended to reduce complications and cost.
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