What are complications of gastric cancer?

Updated: Feb 23, 2021
  • Author: Elwyn C Cabebe, MD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Direct mortality rate within 30 days after a surgical procedure for gastric cancer has been reduced substantially over the last 40 years. Most major centers report a direct mortality rate of 1-2%.

Early postoperative complications include anastomotic failure, bleeding, ileus, transit failure at the anastomosis, cholecystitis (often occult sepsis without localizing signs), pancreatitis, pulmonary infections, and thromboembolism. Further surgery may be required for anastomotic leaks.

Late mechanicophysiologic complications include dumping syndrome, vitamin B-12 deficiency, reflux esophagitis, and bone disorders, especially osteoporosis.

Postgastrectomy patients often are immunologically deficient, as measured by blastogenic and delayed cutaneous hypersensitivity responses.

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