Dennis Chang

All articles by Dennis Chang


Gastroparesis is a general term to describe a condition in which a patient has delayed gastric emptying. There are multiple etiologies to gastroparesis that include neurologic disorders, metabolic disorders, medication side effects, post-surgical and infectious. The exact mechanism of gastroparesis development is not fully understood likely because of the many often overlapping etiologies, but the…

Peri-operative Glycemic Control

Peri-operative Glycemic Control I. Problem/Challenge. The challenge of peri-operative glycemic control Surgery and general anesthesia frequently lead to imbalances in glucose control, both intra-operatively and in the peri-operative period. These imbalances can occur in diabetic and non-diabetic patients and involve a complex relationship between patient factors such as baseline glucose control and underlying comorbidities and…

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