Hausarzt Schwyz

Niemann MD in Schwyz


Nephrology is a specialty that deals with the different causes of kidney disease, hypertension and kidney stones, as well as their complications and the relevant treatment options. Monitoring and treatment is performed regularly, often including dietary recommendations and advice about how to avoid or treat the accumulation of pathological substances in the blood.

The aim is also to give patients advice about what they should watch out for in their everyday lives, e.g. regarding their diet, in order to have a positive influence on their disease.

Diagnosis and therapy of acute and chronic kidney diseases
  • Assessment and long-term care of all kidney diseases
  • Blood and urine analyses, urine sediment analyses, 24h urine analyses
  • Urinary sediment diagnostics
  • Renal artery stenosis duplex
  • Management of diabetic kidney diseases
  • Management of hypertensive kidney diseases
  • Management of uric-acid–related renal diseases
  • Management of acute and chronic pyelonephritis
  • Management of kidney stones and urinary stones
Renal ultrasound

We offer sonography of the abdomen, kidneys and urinary tract – an important diagnostic procedure performed to identify and classify pathological renal processes. It is possible to determine the size of the kidneys and perform a precise anatomical localization. To rule out tumor disease in the renal area, we use ultrasound to precisely screen for tumors, cysts, and stones.

Renal sonography can be used to sensitively detect painful nephrolithiasis (kidney stone disease) in particular. It is also used to assess kidney function and possibly identify renal dysfunction. Urinary retention must be excluded to assess kidney function. The procedure is also of great importance for detecting what is known as renoparenchymatous disease (pathological changes in kidney tissue).

The Doppler effect can be used for a specification and thus to precisely detect pathologically altered vessels. Sonographic imaging of the renal vessels can be used to detect primary vascular diseases, such as hypertensive nephrosclerosis (abnormally high blood pressure due to thickening of the renal artery) and diabetic glomerulosclerosis (abnormal kidney tissue remodeling). Color Doppler sonography (color-coded Doppler sonography) must be used to detect the presence of renal artery stenosis.

High blood pressure (hypertension)

An estimated one in four Swiss adults (or about 1.5 million people) has elevated blood pressure. Although high blood pressure does not cause any discomfort, its effects are fatal: possible complications include cerebral stroke, heart attack, angina pectoris, cardiac insufficiency, circulatory disorders in the legs, or kidney damage.

We offer hypertension diagnosis and therapy as well as long-term care and evaluation of primary and secondary causes.

Kidney stones (nephrolithiasis)

More than five percent of the Swiss population suffer from kidney or urinary stones in the course of their lives, with the trend increasing worldwide as well as in Switzerland. Anyone who has had a kidney stone once has an almost 50 percent probability of recurrence.

Urinary stones are formed in the kidney and normally exit the body along with the urine. They form when minerals or acid in the urine crystallize. As the crystals grow larger, they can get stuck in the ureter, obstructing the flow of urine. Sometimes they also get so large in the kidney that they can no longer exit it.

We offer long-term preventative care to prevent kidney stone disease or to treat acute symptoms.

  • Assessment and long-term care
  • Blood and urine sediment analyses
  • 24h urine analyses
  • Medication,
  • Nutritional counselling to prevent stone formation
Polycystic kidneys

Polycystic kidneys, also known as polycystic kidney disease (PKD), are a group of serious, usually hereditary diseases of the kidneys.The formation of a large number of fluid-filled chambers or vesicles, also known as cysts, considerably limits the kidneys’ filtering function.

We offer diagnostics and long-term patient care

  • Reduction of the progression rate
  • Medicinal and nutritional therapy
Electrolyte shifts

The human body consists mostly of water and also contains large amounts of certain electrolytes. Both the functioning of the human body as a whole and that of each individual cell largely depends on the presence of these components in sufficient and balanced proportions. To ensure this, the body’s water and electrolyte balance is governed by a complex regulatory system.

Electrolytes are found in various compositions in different spaces/compartments of the human body. Electrolytes act as osmotically active components in the water. The main organ regulating the water and electrolyte balance is the kidney. Decompensation of the water balance can result in dehydration or hyperhydration and life-threatening electrolyte shifts.

Urinary incontinence

We offer comprehensive diagnostics and care for

  • Urinary incontinence, urge incontinence and overflow bladder
  • Medicinal and non-invasive treatment with Emsella from Calista

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