Endoscopic pyloromyotomy (G-POEM), explained
G-POEM opens the pylorus, the muscular valve between the stomach and the small intestine, so the stomach can empty. Using a flexible endoscope passed through the mouth, Dr. Grandhige creates a small tunnel under the pyloric muscle and divides that muscle with an endoscopic knife. There are no incisions on the abdomen. Most patients go home the same day or the next.
The evidence behind it is specific. In a randomized, sham-controlled trial, 71 percent of patients treated with G-POEM had at least a 50 percent drop in symptom scores at six months, compared with 22 percent who received a sham procedure. Among patients with diabetic gastroparesis, the success rate was 89 percent. Set against the older device-based option, a gastric electrical stimulator, a 2025 multicenter analysis reported by the American College of Surgeons found G-POEM had far shorter operating times, less blood loss, and a much shorter hospital stay, about half a day versus more than two.
Because it is endoscopic, recovery is quicker than with open surgery, and patients follow a staged diet as the stomach adjusts. G-POEM is increasingly used as an early surgical option rather than a last resort.
Who is a candidate for these procedures
Not everyone with gastroparesis benefits from a procedure, and candidacy is decided by objective testing, not symptoms alone. The main test is a four-hour gastric emptying study: you eat a light meal containing a trace of radioactive material, and a scanner measures how fast your stomach empties. An upper endoscopy is often done as well, partly to rule out a blockage and partly because undigested food after an overnight fast points toward the diagnosis.
Dr. Grandhige’s approach is deliberate: confirm delayed emptying with testing, understand the cause, then recommend a procedure only when it is likely to help. That restraint is the point. Patients who are unlikely to improve are told so directly, which spares them a procedure that would not have worked. The honest version of the outcome is this: G-POEM and its alternatives can reduce symptoms substantially in the right patient, but no procedure resolves every symptom, and durability varies from person to person.
What to expect, from your first call to recovery
Most patients are seen within two weeks of reaching out, and always within four. The fastest way to a clear answer is to send your records ahead of time. Email prior endoscopy reports, any gastric emptying or pH testing, imaging, a medication list, and notes from other doctors to info@tampareflux.com, and Dr. Grandhige reviews them before you arrive.
If your testing is already complete, one consultation is often enough to confirm the diagnosis and discuss options. If testing is still needed, the first visit focuses on records review and planning the right studies, and a second visit about four weeks later reviews the results and settles the plan. From first consultation to procedure usually runs about four to eight weeks, depending on testing.
Recovery from G-POEM is short. Most patients go home the same day or the next and advance their diet gradually as the stomach adjusts, with follow-up to track progress. For background between visits, the practice publishes educational articles on the Tampa Bay Reflux Institute blog.
About Dr. Gopal Grandhige
Dr. Gopal Grandhige is the founder and medical director of Tampa Bay Reflux Institute and has treated foregut conditions in Tampa Bay for more than 16 years. He earned his medical degree at the University of Michigan, completed general surgery residency at Yale-New Haven Hospital, and finished fellowship training in foregut and minimally invasive surgery there as well. He is board-certified by the American Board of Surgery, a Fellow of the American College of Surgeons, a member of the Society of American Gastrointestinal and Endoscopic Surgeons, and a founding member of the American Foregut Society.
Patients can confirm his standing through the American Board of Surgery, the American College of Surgeons directory, and the Florida Department of Health license lookup. He performs all surgical procedures at HCA South Tampa Hospital. You can read more about Dr. Grandhige’s training and the practice.
FAQS
Get a clear answer about your gastroparesis
If diet and medication have not been enough, the next step is a consultation to confirm what is causing your symptoms and whether an incisionless procedure can help. Send your records, bring your questions, and get a straight answer about your options.
An endoscopy cannot tell you if you have reflux. It can only tell you if you have complications of GERD.
If you are unhappy with your reflux symptoms, come in and we can discuss testing and treatments that can accurately diagnose your problem.
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CALL US AT 813-922-2920
www.tampareflux.com
If you have a hiatal hernia and fit one of these categories, you should know your options.
Dr. Grandhige is an expert in his field and performs 200 of these surgeries a year. He is the only surgeon in the Tampa Bay Area who offers all surgical options - LINX, Fundoplications, TIF and will be one of 20 surgeons in America introducing the latest procedure RefluxStop in 2026.
We accept most insurances but will verify yours before you come in. These procedures are considered medically necessary and covered by your insurance. You can expect to pay your in-network deductibles and nothing else.
#hiatalhernia #reflux #GERD #LINX #refluxstop
What causes reflux ?
1. Weak lower esophageal sphincter
2. Hiatal hernia
3. Flattening of the Angle of His
4. Poor esophageal motility
5. Gastroparesis (slow stomach)
NOT increased acid production
Don’t let GERD get in the way of living your life. Request your appointment with us today on the link below.
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https://tampareflux.com/contact-us/
Anyone can be victim to GERD and though weight loss can help reduce GERD symptoms. Many athletes with high impact workouts may continue to have these symptoms. This may be a symptom of a hiatal hernia or other issue. We are more then happy to assist you in finding your solution, just click the link below.
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https://tampareflux.com/contact-us/
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#nonsurgicalweightloss #ESG #gastricballoon #weightlossjourney #vsg #vsgjourney #spatz3 #orbera #orberaballoon #grandhige #DrG
#tampabayrefluxinstitute #guthealth #roboticsurgery
Heartburn may seem like an annoyance. But if you find yourself having symptoms on a daily basis, it may be time to to talk to Dr. Grandhige as it could be a symptom of something worse.
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#nonsurgicalweightloss #ESG #gastricballoon #weightlossjourney #vsg #vsgjourney #spatz3 #orbera #orberaballoon #grandhige #DrG
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If you are tired of avoiding your favorite foods or taking daily medications, we can help.
We are the Tampa experts in reflux ! With years of experience and thousands of patients treated successfully, we offer all FDA approved anti-reflux procedures.
Call 813-922-2920 to schedule your appointment
All major insurances accepted.
Not all patients need surgical intervention. Many patients are living a heartburn free life with their PPIs. However 40% of patients taking PPIs are not getting the relief they need. If you are one of those, you have options! Come in and find out more.
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