Doris Gartner, BSc.

Medical speciality

  • Diet advice
  • Nutrition Medicine

Services

  • Diagnosis related to nutrition medicine
    • Lactose intolerance test (breath test)
    • Fructose intolerance test (breath test)
    • Sorbitol intolerance test (breath test)
    • Small intestinal bacterial overgrowth (breath test)
    • Coeliac disease (laboratory)
    • Food allergies (laboratory)
  • Body composition analysis (BIA)
    • Dietary status
    • Fluid balance
    • Adipose tissue
    • Musculature
    • Control of weight reduction
  • Nutrition care
    • Obesity – weight reduction
    • Type 2 diabetes – beneficial choice of food
    • Malnutrition – dietary changes to adapt nutritional intake
    • Food allergies – food elimination diet
    • Irritable bowel syndrome – FODMAP -diet
    • Gastritis – light whole-food-diet

About me

I am a trained dietitian. Since graduating, I have attended numerous additional training courses in the field of nutrition therapy and have specialized in counseling and therapy for people with metabolic disorders, malnutrition, gastrointestinal diseases and intolerances.

A targeted change in diet can alleviate current symptoms and reduce the risk of diet-related secondary diseases. I would like to support you with words and deeds.

A change in diet also means a significant change in previous habits. In order to be able to support patients in this psychological process in the best possible way, I am also completing psychotherapy training at the Rogerian Psychotherapy Association in Vienna.

Curriculum vitae

2010: Graduation from Vienna University of Applied Sciences in Nutrition & Dietetics with a bachelor thesis on nutritional therapy for hyperuricemia.
2019: Registration in the Austrian Health Professions Register as well as approval by the health insurances as a reporter for bariatric operations.
At present: Psychotherapy training at the Rogerian Psychotherapy Association in Vienna.

Modern nutritional medicine is based on scientific recommendations and aims to alleviate symptoms through a specific selection of foods. In addition, early nutrition prevention can reduce the risk of e.g. nutrition-related metabolic diseases.Nutritional therapy is successfully used in the following areas:

  • Weight reduction
  • Malnutrition
  • Diabetes mellitus
  • Hypercholesterolemia
  • Irritable bowel syndrome
  • Acid reflux
  • Gastritis
  • Fatty liver
  • Food intolerances and allergies

Our service Measuring body composition The bioelectrical impedance analysis is a professional and scientifically sound method for determining body composition. It is based on the measurement of the resistance of the different body components water, muscle and fat tissue. An imperceptible alternating current is conducted through the body by means of two electrodes, which are attached to the wrists and ankles. This takes less than a minute and is completely harmless for the body.

By measuring the body composition, the change in muscle and fat mass can be documented in the event of weight loss or weight gain.

  • The last (larger) meal should be eaten 2 hours before the measurement.
  • Please do not drink more than 0.5 liters in the last hour before the measurement.
  • Please empty your bladder before taking the measurement.
  • No alcohol should be drunk 24 hours before the measurement.
  • Extremely sweaty activity (extreme sport, sauna) should not be undertaken 24 hours before the measurement.
  • Hands and feet should not be rubbed with lotion on the day of the measurement.

Individual nutritional therapy At the beginning of the consultation, there is a detailed interview in which both your current symptoms and dietary habits are discussed. Based on this information, your diet plan will be adapted individually, whereby the focus is on an implementation that is feasible for you.

In addition, you can take the offer of a body fat measurement or bio-impedance analysis (BIA). This illustrates the positive progression, especially in the case of the desired weight reduction and shows the decrease in adipose tissue, muscle mass and nutritional status.

  • Dietary reports for bariatric surgery

Breath test for lactose intolerance

In the case of lactose intolerance, the lactose supplied cannot be sufficiently absorbed by the body due to an enzyme deficiency. The lactose then reaches the large intestine, where it is broken down by bacteria. This creates gases and acids which lead to very different symptoms.

Lactose intolerance symptoms
The following symptoms can occur after consuming lactose-containing foods:

  • Flatulances
  • Stomach ache
  • Pulpy stool
  • Vomiting
  • Stomach cramps and pains
  • Burping and nausea
  • Exhaustion and fatigue

Diagnosis of lactose intolerance If the possibility of a lactose intolerance is given after a detailed interview, a H2-breath test is carried out. In this test, the amount of hydrogen (H 2 ) during exhalation is measured at regular intervals. If the supplied lactose reaches the large intestine and is processed there by intestinal bacteria, the hydrogen content of the air you breathe increases. In addition, typical symptoms of intolerance set in. A change of diet to a low-lactose diet can then help to reduce the symptoms.

Fructose intolerance

In the case of intestinal fructose intolerance or fructose sensitivity, the ingested fructose cannot be sufficiently absorbed from the small intestine due to a defect in the transport system. As a result, the fructose reaches the lower intestinal sections, where it is broken down by bacteria into hydrogen and acids.

Fructose intolerance symptoms
Gastrointestinal symptoms may occur due to the bacterial breakdown of fructose in the large intestine, i.e.

  • Stomach ache
  • Flatulances
  • Peristaltic sounds
  • Stomach cramps
  • Pulpy stool
  • Watery diarrhea
  • Episodes with constipation
  • Exhaustion and lack of motivation

Diagnosis of fructose intolerance If the possibility of a fructose intolerance is given after a detailed interview, a H2-breath test is carried out. In this test, the amount of hydrogen (H 2 ) during exhalation is measured at regular intervals. If the supplied fructose reaches the large intestine and is processed there by intestinal bacteria, the hydrogen content of the air you breathe increases. In addition, typical symptoms of intolerance set in. A change of diet to a low-fructose diet can then help to reduce the symptoms. In the long term, it is not necessary to completely do without fruit and fruit products, but what is important is a suitable selection of these products.

Sorbitol intolerance

Sorbitol is a sugar substitute found in many types of fruit, artificial sweeteners and convenience food. In the case of sorbitol intolerance, sorbitol is insufficiently absorbed through the intestinal wall and gets into the large intestine. There it is broken down by intestinal bacteria, producing gases and acids.

Sorbitol intolerance symptoms
The following symptoms can occur after consuming sorbitol-containing foods:

  • Flatulances
  • Stomach ache
  • Peristaltic sounds
  • Diarrhea
  • Nausea
  • Exhaustion

Diagnosis of sorbitol intolerance If the possibility of a sorbitol intolerance is given after a detailed interview, a H2-breath test is carried out. In this test, the amount of hydrogen (H 2 ) during exhalation is measured at regular intervals. If the supplied sorbitol reaches the large intestine and is processed there by intestinal bacteria, the hydrogen content of the air you breathe increases. In addition, typical symptoms of intolerance set in. A change of diet to a low-sorbitol diet can then help to reduce the symptoms. Since the individual tolerance for sorbitol is very different, foods containing sorbitol are slowly included again after a strict initial diet.

Small intestinal bacterial overgrowth

With the bacterial overgrowth of the small intestine (SIBO), bacteria have settled in the upper sections of the intestine, although they do not normally occur here. As a result of this incorrect colonization, food components are broken down by bacteria in the small intestine.

Small intestinal bacterial overgrowth symptoms
The incorrect colonization of the small intestine causes strong symptoms such as:

  • Bloated stomach
  • No passing of flatus
  • Stomach cramps
  • Diarrhea
  • Greasy stool
  • Vitamin deficiency

Diagnosis of bacterial overgrowth of the small intestine If the possibility of a bacterial overgrowth of the small intestine is given after a detailed interview, a H2-breath test with glucose is carried out. In this test, the amount of hydrogen (H 2 ) during exhalation is measured at regular intervals. Glucose is completely absorbed through the intestinal wall in the upper sections of the small intestine. If bacteria have settled in this section of the intestine, the sugar is broken down by them. As a result, the hydrogen content of the air you breathe out increases and bacterial overgrowth can be diagnosed. If the results are positive, a specific therapy is conducted after a consultation with our gastroenterologist.

Price list H2- breath tests and diet advice

Offer/ServicePrice
Lactose intolerance H2-breath test50,–
Fructose intolerance H2- breath test50,–
Sorbitol intolerance H2- breath test50,–
Small intestinal bacterial overgrowth H2- breath test50,–
Dietary reports for bariatric surgery135,–
Diet advice 1 session75,–
Individual diet plan (only in combination with diet advice)75,–

If you are not able to keep an appointment, we ask you to cancel until 24 hours before the examination , otherwise we will have to charge you the costs!

Contact details

Telephone: +43-1 367 13 73
E-Mail: ordination@nullimed19-privat.at
Web: www.imed19-privat.at

Office hours at Imed19-privat: By arrangement

Please contact me – I look forward to seeing you for a first interview!