• More than 4500 Bariatric Cases including;
    More than 1550 Sleeves, 1500 Bypass Surgeries,
    600 Robotic-Assisted Bypass Surgeries.
  • Dr. Arif Ahmad Has Been Awarded the
    "Patients' Choice Award" and "Compassionate
    Doctor Award" by Vitals for Five Consecutive
  • Dr. Ahmad rated one of America’s top
    surgeons by the
    Consumer Research Council
  • Renew Yourself Today!
  • Recognized as a "Center of Excellence
    in Metabolic and Bariatric Surgery"
    Awarded by the Surgical Review
    Corporation continuously since 2007
  • The Most Experienced Fellowship-Trained
    Bariatric Surgeon on Long Island
  • Largest number of Sleeves and Bypasses
    in Suffolk County. Largest number of
    Bariatric Surgeries in Long Island in
  • Welcome to one of the top Bariatric
    practices on Long Island
  • Over 10,000 surgical and endoscopic
    procedures performed
  • Impeccable track record with
    over 30 years of experience
  • One of the Top Records for long term
    weight loss with high quality care and
    compassionate staff
  • “Dr. Ahmad routinely utilizes the daVinci
    Surgical System, the most advanced
    surgical platform in the world, to perform
    minimally invasive gastric bypass surgery”
  • Listen to how Richard got his life back
    & how Dr. Ahmad changes lives...
  • Dr. Ahmad was one of the first surgeons in
    Suffolk County to perform the
    gastric bypass laparoscopically
  • On the cutting edge of the newest
    procedures in weight loss surgery.
  • Newsweek acknowledges
    Dr. Ahmad as a leader in
    Bariatric Surgery
  • Ask about the single incision Laparoscopic
    (virtually scarless) option for bypass,
    bands and sleeves
  • Dr. Ahmad has performed over 400
    Robotic Assisted Gastric Bypasses
    utilizing the daVinci Surgical System
  • ORBERA Intragastric Balloon, a non-surgical
    approach at weight loss.

Free Information Seminar

Tuesday, December 12, 6:30 PM
Mather Hospital
Conference Room B
Can't attend the next seminar? Do it online.

Laparoscopic Sleeve Gastrectomy

Laparoscopic Sleeve Gastrectomy

Sleeve Gastrectomy is now becoming the most popular bariatric procedure in the United States and is the fastest-growing operation in the field of General Surgery. Currently, Sleeve Surgery is the most frequently chosen bariatric operation among Dr. Ahmad’s patients.

Dr. Ahmad has performed over 1550 Sleeve Gastrectomy procedures with zero mortalities and one of the lowest complication rates in the world.

Sleeve gastrectomy is a restrictive form of bariatric surgery that shrinks the stomach to approximately 15% of its original size. It is commonly performed on severely obese patients who are not healthy enough to undergo a successful gastric bypass, biliopancreatic diversion or similar major surgery. The procedure enables rapid weight loss with fewer complications than the more conventional weight loss surgeries, but its effectiveness loses stride because there is no intestinal bypass.


The actual sleeve gastrectomy procedure is quite simple and begins with the surgeon’s tools entering through a small incision made in the abdomen. The stomach is then stapled down and “re-sized” over a long tube, greatly reducing its volume. Once this newly re-sized stomach or “sleeve” is examined for quality and to ensure no leakage or bleeding, the excess stomach tissue is then excised. The direct removal of stomach tissue also has a secondary metabolic effect by reducing the secretion of the hormone Ghrelin, which is responsible for inducing hunger. The lining of the stomach is one of the few areas of the body to actually produce and secrete Ghrelin, most of which is removed during the procedure.


The Next Step

Your next step is to register to attend one of Dr. Ahmad’s next free informational seminars. At the seminar, Dr. Ahmad will discuss each of the procedures he offers, along with the features and advantages that differentiate us from other Bariatric Facilities on Long Island.  We are delighted to welcome you to Dr. Arif Ahmad’s Bariatric Center of Excellence at Mather Hospital, where he has helped more than 3000 patients improve their health and well-being and reclaim their lives over the last 15 years that he has been practicing Bariatric surgery.  Please register for our next seminar below.

Contact Information
  • First Name *
  • Last Name *
  • Date of Birth
  • Contact Number *
  • E-Mail Address *
Personal Health Details
  • Reason for your appointment:
  • What is your height? feet Inches
  • What is your weight? lbs
Insurance Information
  • Do you have Health Insurance:  Yes No
  • Policy Holders Name (First, Last) *
  • Policy Holders Date of Birth*
  • Insurance Carrier:*
  • Member ID: *
Seminar Date
  • Seminar date

Unless otherwise noted, Seminars are held in the LIAP Conference Center, located in the Arthur & Linda Calace Foundation Pavilion. Please enter through the Cody Ambulatory Pavilion, 625 Belle Terre Road.

*This is not the main entrance of the Hospital.
Valet parking is available.


Risks and Complications of Sleeve Gastrectomy

As with any surgery, there are inherent risks to undergoing sleeve gastrectomy. Specific to bariatric surgeries, including the sleeve gastrectomy, is the risk of leakage and bleeding. Although the newly formed stomach sleeve generally fares well while it heals within the body, leakage and bleeding may occur from suturing or re-approximation of the new stomach before concluding the surgery. Due to drastic change in the size of the stomach, a patient may over ingest food so severely that is can cause a disruption to the newly formed stomach and may exacerbate these conditions. Additionally, the narrow size of the stomach may be vulnerable to large chunks of poorly masticated (chewed) food getting stuck, causing discomfort and pain to the patient.

Advantages and Disadvantages of Sleeve Gastrectomy

The following is a list to summarize the pros and cons to sleeve gastrectomy in comparison to other bariatric techniques:


  • No malabsorptive complications or related deficiencies
  • No risk of ulcer
  • Gastric dumping syndrome is largely avoided
  • Normally laparoscopic, reducing recovery time
  • Removes gland that secretes Ghrelin, hunger hormone
  • No foreign bodies (bands, tubes etc) permanently inside body
  • No “tightening” needed for further weight loss


  • Overall less effective than Gastric Bypass in weight reduction and maintenance.
  • Irreversible