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Kesava Reddy Mannur: Consultant Obesity Surgeon, London

Kesava Reddy Mannur
Consultant Obesity Surgeon, London: Kesava Reddy Mannur
A highly experienced London-based obesity surgeon offering the full range of weight loss surgical techniques, including gastric bypass, duodenal switch, gastric banding and sleeve gastrectomy.

Mr Kesava Reddy Mannur is Director of Bariatric Surgery at Homerton University Hospital, London.  With 25 years experience, he is able to offer expert weight loss surgery at three private hospitals in London: BMI London Independent Hospital in Stepney, Spire Roding Hospital in Redbridge, and The Wellington Hospital in Central London.  Mr Mannur is also available for consultation at The London Clinic, Harley Street and Holly House Hospital, Buckhurst Hill.

Mannur video

Watch videos about obesity surgery

Mr Kesava Reddy Mannur has provided a number of videos about obesity surgery.


In the videos, past patients speak of the obesity treatments that they have undergone and the efforts taken by Mr Mannur to provide the treatment and care.


Click here to watch the obesity surgery videos 


Kesava Mannur with Prof Gagner

Expert weight loss surgery in London

Weight loss surgery is an effective way for people who are dangerously obese to lose weight and start to take control of their lives once more.  Several techniques are available and, with his considerable skill and expertise, Mr Mannur is well placed to recommend the best course of treatment for each particular patient.

Gastric bypass surgery

Gastric bypass surgery involves reducing the size of the stomach, restricting the amount of food that can be ingested, and bypassing the small intestine so that fewer calories are absorbed.  It is a very successful procedure, leading to sustained weight loss and an improvement in obesity-related conditions such as cardiovascular disease and diabetes.

Duodenal switch surgery

Duodenal switch surgery works on the same principles as gastric bypass surgery, however a larger stomach is created so that the patient's eating habits are less affected.  This is balanced by bypassing a longer section of small intestine.  Patients having duodenal switch surgery do not need to make as many adjustments to their lifestyle as those having gastric bypass surgery, however they do need to take nutritional supplements for the rest of their lives.

Sleeve gastrectomy

A sleeve gastrectomy is a procedure to surgically remove part of the stomach, reducing its capacity by approximately 75%.  It can be used as a stand alone as a weight loss technique when one loses 70% excess weight or as a precursor to a gastric bypass or duodenal switch.

Gastric banding

Gastric band surgery is a reversible form of obesity surgery that involves putting an adjustable band around the stomach, leaving a small pouch at the top.  Research has shown that, on average, people undergoing a gastric band procedure lose half of their excess weight over a period of two years following surgery.

Banded Gastric bypass surgery

 One of the problems of gastric bypass is that they put on weight about 3-5 years after surgery. This is because the stomach ‘pouch’ starts stretching with time and with that the ‘stoma’ or the join between the stomach pouch and the small intestine and finally the small intestine just beyond the stoma or gastrojejunal anastomosis. To prevent this, the ring is placed just proximal to the stoma /gastrojejunal anastomosis.  By doing so the stomach pouch size is not changed.  Weight loss is more stable and the incidence of hypoglycaemia is low.


Banding 'Fobi Ring' to Gastric bypass

Once the gastric pouch stretches in gastric bypass, they put on weight after 3-5 years. Reducing the stomach pouch size and /or lengthening the alimentary limb do not seem to work in majority of cases.  Banding the gastric pouch is effective though not to the same extent if one applies it at the time of the original gastric bypass surgery.


Converting Band to Sleever or bypass

If the gastric band doesn't work or band has to be removed if band slips or erodes into stomach, then the options are converting it to Sleeve or Bypass.


Kesava Mannur with Dr Higa and Dr Boon

Accreditation and admitting rights at private hospitals

Mr Mannur is an accredited consultant for the UK's leading private healthcare providers and private hospitals, including The London Clinic, The Wellington Hospitals, Spire Healthcare and HCA Hospitals.

Spire admitting rights
HCA admitting rights


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Contact details

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The London Clinic

120 Harley Street


W1G 7JW  

Tel: 020 8989 8702 (Appointments)

Fax: 020 8989 8702

Email: kmannur@gmail.com

Website: www.londonobesitycentre.com



Video profile

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Areas of expertise

Treatments offered

  • Obesity surgery 
  • Weight loss surgery 
  • Metabolic surgery 
  • Revisional surgery 
  • Gastric bypass 
  • Gastric  sleeve 
  • Band to sleeve 
  • Band to bypass 
  • Duodenal switch

Qualifications and memberships


  • BSc

  • MBBS

  • FRCS

  • FRCS


Professional memberships

  • British Obesity and Metabolic Surgical Society (BOMSS)

  • International Federation for the Surgery of obesity and Metabolic Disorders (IFSO)

  • Association of Laparoscopic Surgeons (ALS)

  • Association of Upper GI surgeons of Great Britain and Ireland (AUGIS)

  • Association of Surgeons of Great Britain and Ireland (ASGBI)

  • Royal Society of Medicine


Places of work and contact

BMI London Independent Hospital:   

Mon AM and Thurs evening 120


Harley Street, London: Fri 5 to 7.30pm  


Spire Roding Hospital, Redbridge: Tues 6.30 to 8pm Fri 12 – 1pm 


The Wellington Hospital, London: Thurs 6pm