The Hunterdon Reflux and Motility Center is directed by Anubha Sinha, M.D. Dr. Sinha is specially trained to diagnose and treat patients with esophageal motility disorders. The Center offers testing that includes:

Esophageal Manometry
Wireless Bravo pH Monitoring to test for GERD
pH and Impedance Testing
Ambulatory 24-Hour pH Probe

Esophageal Manometry
Esophageal Manometry is a test used to assess pressure and motor function of the esophagus (food pipe). In addition, it aids in the evaluation of how well the muscles in the esophagus work to transport liquids or food from your mouth into your stomach. Esophageal manometry may be performed to evaluate the causes of gastric reflux, heartburn, difficulty swallowing and functional chest pain. In addition, this test may be used in pre-operative evaluation if you are being considered for anti-reflux surgery.

This is a catheter based procedure. The study will take about 30 minutes in the Hunterdon Medical Center endoscopy suite by our trained motility lab nurses. Your nose or throat will be numbed with a spray or gel. This will minimize the discomfort associated with the placement of the small catheter through your nose and into your stomach. During this time, you will be able to breathe, swallow and talk with ease. You will be asked to take deep breaths or swallows a number of times during the study. The pressures resulting from these actions will be detected and recorded by sensors located on the catheter. The catheter is removed after completing the manometry testing. Patients are asked to have nothing to drink or eat approximately eight hours prior to the esophageal manometry testing.

All manometry studies are analyzed by our gastroenterologist, Dr. Sinha. The data collected will be analyzed and sent to your referring physicians who will discuss the results with you.

All daily activities, diet and medications can be resumed following the study. There is no sedation during this test, so you may drive yourself home.

Wireless Bravo pH Monitoring to test for GERD
Bravo pH testing is used to diagnosis the causes of heartburn and to provide more specific information regarding gastroesophageal reflux disease. Bravo pH monitoring is a minimally invasive procedure. The Bravo pH monitoring procedure is catheter-free so you are free to move about as long as you stay within three feet of the recorder. You can bathe and get a restful night sleep because you can place the recorder outside the shower or on your nightstand, and the test will not be interrupted. You can eat normally while on this test because the capsule is so small it does not interfere with your daily routine. The PH capsule measure the pH in the esophagus and transmits the information to a receiver worn by the patients for 48 hours after the pH capsule has been placed.

After the test is complete, the disposable capsule falls off the wall of the esophagus and passes naturally with your bowel movement through your digestive tract. The data captured on the recorder will be downloaded to a computer and Dr. Sinha will review the test results and share with your referring physician.

pH and Impedance Testing
pH and impedance testing is frequently used to determine if a patient has gastro esophageal reflux disease, laryngopharyngeal reflux disease or NON-acid reflux disease. The pH and impedance testing also can determine if a patient’s anti-reflux medication is adequately working. The PH study allows for the amount of acidic and alkaline material that refluxes into the esophagus and throat from the stomach within a 24 hour period. The impedance part of the test evaluates for non-acid reflux. Patients are required to not eat or drink anything four to eight hours prior to the test. This is a catheter based procedure which is placed through the nose and into the esophagus. During the 24 hour monitoring period, the patient will have a monitor to record their symptoms as they occur. Upon completion of the 24 hour monitoring, the catheter is removed. The data is collected through the monitor. It usually takes about three to four weeks for the data to be analyzed by Dr. Sinha. Dr. Sinha will send the results to your referring physician.

Ambulatory 24-Hour pH Probe
We use an ambulatory 24-hour pH probe that consists of a small tube passed through the nose into the esophagus. A pH sensor at the tip of the tube allows measurements of acid exposure in the esophagus to be collected on a portable computer. You go home with the probe, eat three meals and will record your symptoms on the computer over the next 24 hours. The pH probe is only worn for 24 hours and the tube is removed. The results are compared to what we know is the normal acid exposure in the esophagus. Dr. Sinha will share the results with your referring physician.

Our Physicians

Anubha Sinha, MD

Anubha Sinha, MD

Gastroenterologist
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