Armen Gharibans

INTRODUCTION: Patients with upper gastrointestinal (UGI) symptoms of abdominal pain, nausea, vomiting, and bloating often complain within the postprandial period…

BACKGROUND: Antroduodenal manometry (ADM) is the gold standard to diagnose myopathy vs neuropathy in patients with upper gastrointestinal (GI) disorders. ADM however, is an invasive and costly test…

Current classification schemes for chronic gastroduodenal symptoms substantially overlap and therefore do not clearly guide patient-specific therapy…

INTRODUCTION: The influence of the gut-brain axis and the prevalence of psychological comorbidities in patients with chronic gastroduodenal symptoms are widely acknowledged…

BACKGROUND: Gastric emptying testing is used to diagnose gastroparesis. However, gastroparesis is a heterogeneous disorder that may involve several distinct underlying pathophysiologies related to impaired gastric function…