Bariatric surgeryGermany5 min read
Did Aline Bachmann have bariatric surgery? Yes — she speaks about it openly
Aline Bachmann, the singer remembered from her 2013 season of the German Idol show DSDS, weighed 155 kilograms before her stomach reduction. Two months after the operation she was 30 kilos lighter — and she has continued to speak about the operation in interviews and on Instagram, including the days she describes as not easy. Here is what she said and what the surgery involves.
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Medically reviewed by Andrey G. Ugay, lead bariatric surgeon. Review date: .

Key facts about the procedure
- Back to work2–4 weeks
- Stay in clinic1–5 days
- Final result18–24 months
- Price
$4,800from $3,600
Profile
Aline Bachmann
- Country
- Germany
- Who
- German singer, DSDS finalist
- Quote source
- t-online, 17 February 2020
What did Aline Bachmann say about her operation?
As the news portal t-online reported, citing her interview to the celebrity agency Promiflash, about 80 per cent of her stomach was removed. The effect on her mood, in her own words: “dass es bergauf geht und dass man keine Angst mehr haben muss – es gibt einen neuen Schub an Selbstbewusstsein” — things are looking up, there is no longer any need to be afraid, and a new wave of self-confidence arrives.
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WhatsAppShe did not paint the operation as effortless. On Instagram, the portal reports, she wrote that the days following the operation were not easy — and that she would take this step again all the same, because she is simply happy now. Thirty kilograms had gone in roughly two months; over the following years her total weight loss grew to more than a hundred kilos, a change she has kept showing publicly, including the surgery to remove excess skin that such a loss leaves behind.
That is what this article relies on: her interview and her own posts as quoted by the portal. The clinic where she was treated is not named, so nothing is assumed here about her treatment. What follows describes the gastric sleeve in general.
What her story shows about the sleeve
Her case illustrates three things patients learn early. First, the scale moves quickly at the start — thirty kilos in two months is the fast phase, and the curve flattens afterwards into something steadier. Second, a large loss brings its own follow-up operations, such as removing excess skin, which are separate procedures planned separately.
More on this topic: Bariatric surgery with support all the way to your result, Gastric Bypass (Roux-en-Y), Mini Gastric Bypass (MGB), Laparoscopic Bariatric Surgery in Benoni, Gastric Sleeve and Bypass in Harare.
Third, the operation changes what the mind does with food as much as what the stomach can hold: her phrase about a new wave of self-confidence describes the psychological shift that bariatric patients report most consistently.

What bariatric options look like today
The sleeve — removal of most of the stomach, leaving a narrow tube — is the most common weight-loss operation today. It is one of several options, all chosen with a doctor after tests and consultations.
Gastric sleeve
- How it works
- Most of the stomach is removed, leaving a narrow tube
- Notes
- The most common operation today; permanent
Gastric bypass
- How it works
- A small pouch is connected to the small intestine
- Notes
- Larger operation; often favoured with reflux or diabetes
Gastric balloon
- How it works
- A soft balloon in the stomach limits portions; removed after about 6 months
- Notes
- Non-surgical placement; temporary by design
Which option fits depends on weight history, related conditions and eating patterns — a decision made at a consultation, not from a celebrity story.
Who is a candidate and how to prepare
Surgery is generally considered for adults with a body mass index above 40, or above 35 with serious related conditions, sometimes lower when other approaches have failed. Preparation is its own stage of treatment:
- Assessment: blood and urine tests, biochemistry, coagulation panel, HbA1c, and reviews by a GP, endocrinologist, psychiatrist and cardiologist.
- Before the operation: cut fast carbohydrates and fats for two to four weeks and stop smoking a month before.
- Plan the first year: the surgical team follows the patient through the months of change, and lifelong vitamins are part of the plan after a sleeve.
What the operation and recovery look like
The sleeve is done laparoscopically, through four small punctures of 5–15 millimetres. Patients stay at the clinic one to five days and are up and moving from the first day. Office work usually resumes in two to four weeks; physical work takes longer.
Food returns in stages — liquids, then soft food, then solids — over one to two months, swimming is possible after about thirty days, and travel is best planned no earlier than a month after surgery.
The final result is assessed over one and a half to two years. The first months, the ones Aline Bachmann described when the thirty kilos had gone, are the fastest part of that curve.

How the first year after a gastric sleeve usually goes
- Day of surgeryLaparoscopic operation through four small punctures; observation at the clinic begins.
- Days 1–5Observation at the clinic; up and moving from the first day, liquids first.
- Weeks 2–4Return to office work; the diet moves from liquids to soft food.
- Months 1–2Solid food returns in small portions, protein first, regular rhythm.
- Months 3–6The fastest weight-loss phase, like Aline Bachmann's first 30 kilos.
- Months 18–24The final result is assessed; stable habits and vitamins keep it in place.
Bariatric treatment at City Medical Centre
City Medical Centre performs gastric sleeve and gastric bypass surgery for international patients, including patients from Berlin. The first consultation is free and can start online: the surgeon reviews your history and tests, agrees the operation, and the price is fixed in the contract before a date is booked. Prices start at $3,600 for a gastric sleeve, with gastric bypass from $4,000. The team follows up during the first year.
More details are on the bariatric surgery page and the page for patients from Berlin.
To be clear: City Medical Centre has no connection with Aline Bachmann or her treatment. Her story is quoted here only because she chose to talk about her operation openly.
Frequently asked questions
Did Aline Bachmann have a gastric sleeve?
Yes. As t-online reported, citing her Promiflash interview, about 80 per cent of her stomach was removed and she lost 30 kilograms in roughly two months, starting from 155 kilograms.
How much weight has Aline Bachmann lost in total?
Her total loss over the years after the operation grew beyond a hundred kilos, which she has shown publicly, including the follow-up surgery to remove excess skin.
Was the operation easy for Aline Bachmann?
No. She wrote on Instagram that the days following the operation were not easy — and that she would still take the step again, because she is simply happy now.
How fast do patients lose weight after a gastric sleeve?
The first two months are the fastest — thirty kilos in her case — and the curve then settles, with the final result assessed over one and a half to two years.
What bariatric surgery is available at City Medical Centre?
Gastric sleeve surgery from $3,600 and gastric bypass from $4,000, with the price fixed in the contract after a free consultation.
Sources
What the article says about the celebrity is based only on these public statements.
- t-online, 17 February 2020
Medical background and further reading
General information about the procedure from health authorities and medical societies. It is not advice for any individual patient.
- PubMed / NCBI — Benefits and Risks of Bariatric Surgery in Adults: A Review (JAMA, 2020)
- PubMed / NCBI — Laparoscopic sleeve gastrectomy vs Roux-en-Y gastric bypass: systematic review and meta-analysis (2016)
- World Health Organization — Obesity and overweight
- American Society for Metabolic and Bariatric Surgery — Bariatric Surgery Procedures
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