Gerhard Prager: bariatric surgeon profile

Surgeon profile

Gerhard Prager: bariatric surgeon profile

Gerhard Prager — Vienna General Hospital (AKH)

Research project led by Yevhenii Kozlov · Co-Founder of BookimedUpdated 21 October 2026Sources linked throughout
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About Gerhard Prager

Gerhard Prager is a general surgeon at Vienna General Hospital (AKH) in Vienna, Austria. The bariatric procedures associated with Gerhard Prager include gastric banding and sleeve gastrectomy. Publications linked to Gerhard Prager cover a swallowable self-expanding intragastric balloon trial stopped because of small bowel obstruction (2026); bone metabolism and bone density after metabolic and bariatric surgery (2026); esophageal function and reflux after one-anastomosis gastric bypass (2025). These publication topics do not establish personal surgical results or who performed the operations. To ask about bariatric care with Gerhard Prager, use the Bookimed inquiry page for Gerhard Prager.

Sources (1)

Clinic and location

Gerhard Prager · Vienna General Hospital (AKH) · Vienna, Austria

Bookimed doctor profile

Sources (1)

Operations and published practice

  • Band
  • Sleeve
Published practice information

Dr. Gerhard Prager is a gastric surgeon in Austria who has performed over 3,000 obesity operations.

He heads the Obesity Outpatient Clinic at Vienna General Hospital.

Dr. Prager also leads the Metabolic Surgery Center at Confraternitaet Private Hospital.

He specializes in gastric bypass, sleeve gastrectomy, and gastric banding.

Source for this statement

Sources (1)

Reported experience

at least 3000 operations. Biography source

Sources (1)

Publications

  • Early Termination of a First-in-Human Trial of a Swallowable Self-Expanding Intragastric Balloon (IGBalloon©) Due to Small Bowel Obstruction. (2026). Publication
  • Changes in bone metabolism and densitometry after metabolic/bariatric surgery: a comparison of pre- and postoperative results in a prospective long-term study. (2026). Publication
  • Update on esophageal function, acid and non-acid reflux after one-anastomosis gastric bypass (OAGB): high-resolution manometry, impedance-24-h pH-metry, and gastroscopy in a prospective mid-term study. (2025). Publication
Sources (3)

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const catalogue=root.querySelector('[data-treatment-catalogue]'); if(catalogue){ const records=JSON.parse(root.querySelector('#treatment-records').textContent),cards=[...catalogue.querySelectorAll('[data-treatment-id]')],focus=root.querySelector('#treatment-focus'),selection=root.querySelector('#treatment-selection'),panel=root.querySelector('#treatment-comparison'),table=root.querySelector('#treatment-compare-table'); const compare=()=>{const selected=cards.filter(c=>c.querySelector('input').checked).map(c=>records.find(p=>p.id===c.dataset.treatmentId));panel.hidden=selected.length1?'Compare programmes: ':'')+selected.map(p=>p.doctor+' — '+p.clinic).join(' / ');currentLeadTopic=selected.length?selected[0].topic_key:(leadConfig.page_topics[root.dataset.page]||'bariatric');refreshLeads(); if(selected.lengthp.label],['Doctor / team',p=>p.doctor],['Method',p=>p.method],['Why consider it',p=>p.card_benefit],['Price',p=>p.price_label],['What the quote covers',p=>p.care_summary],['Research',p=>p.evidence],['Actual operator',p=>p.operator_assignment]]; const tbody=document.createElement('tbody');rows.forEach(([name,get])=>{const tr=document.createElement('tr'),th=document.createElement('th');th.scope='row';th.textContent=name;tr.append(th);selected.forEach(p=>{const td=document.createElement('td');td.textContent=get(p);tr.append(td)});tbody.append(tr)});table.append(tbody); const link=panel.querySelector('[data-lead]');link.dataset.preference='Compare programmes: '+selected.map(p=>p.doctor+' — '+p.clinic).join(' / ');link.dataset.fixedTopic=leadConfig.topics[selected[0].topic_key].name;refreshLeads();track('bariatric_hub_programme_compare',{count:selected.length,procedure_group:selected[0].topic_key}); }; cards.forEach(card=>card.querySelector('input').addEventListener('change',event=>{const chosen=cards.filter(c=>c.querySelector('input').checked);if(chosen.length>3||new Set(chosen.map(c=>c.dataset.topic)).size>1){event.target.checked=false;selection.textContent='Compare up to 3 programmes for the same condition. Open another condition to compare a different operation.';return;}compare()})); focus?.addEventListener('change',()=>{let n=0;cards.forEach(c=>{const show=focus.value==='all'||c.dataset.focus.split('|').includes(focus.value);c.hidden=!show;if(show)n++;else c.querySelector('input').checked=false});root.querySelector('#treatment-count').textContent=n+(n===1?' programme shown':' programmes shown');root.querySelector('#treatment-empty').hidden=n>0;compare()}); }

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