Causes of Uremia

Written by Li Liu Sheng
Nephrology
Updated on December 03, 2024
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Uremia is a syndrome caused by the progressive development of various chronic kidney diseases that ultimately leads to bilateral renal failure in patients, unable to timely remove excess water, electrolytes, and various toxins from the body. The causes of uremia are many and complex. Common causes include chronic nephritis, diabetic nephropathy, and hypertensive nephropathy. Other diseases such as chronic interstitial nephritis, chronic pyelonephritis, uric acid nephropathy, chronic obstructive nephropathy, renal vascular diseases, and hereditary nephritis can also lead to uremia. Once uremia occurs, patients often exhibit symptoms of general discomfort and may need to choose dialysis treatment, which can be either hemodialysis or peritoneal dialysis, depending on individual circumstances.

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Nephrology
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Symptoms of Uremia

Once diagnosed with uremia, patients exhibit numerous clinical symptoms, though these symptoms are not completely identical across different individuals. Typically, the primary symptoms of uremia include nausea, vomiting, loss of appetite, with these symptoms becoming more pronounced after eating. There might even be diarrhea, an increase in the frequency of bowel movements, and gastrointestinal bleeding. Additionally, patients show signs of edema, particularly around the eyelids and face, with very noticeable swelling in the lower limbs. Severe cases may also present with pleural effusion and ascites, accompanied by a reduction in urine output. Patients may also experience dizziness, headache, elevated blood pressure, and even exhibit pallor, anemia, itchy skin, bone pain, and intolerance to cold, among various other clinical symptoms.

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Is uremia serious?

Uremia is very serious. For patients with uremia who wish to be cured, the current method is to undergo kidney transplantation. Kidney transplantation is currently considered the best method for treating uremia. If no suitable kidney source is found, or economic conditions do not allow, or for some other reasons, it is recommended that patients undergo dialysis. Dialysis is also quite expensive, but if economic conditions permit, and physical health and mood among other factors allow, patients with uremia who undergo regular dialysis can generally have their lives extended by several years. It is not uncommon to see reports of lives being extended by more than a decade.

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What should I do about uremia heart failure?

Patients with uremia often develop complications of heart failure, which is actually the leading cause of death in patients with uremia. This type of heart failure is mainly due to the decreased ability of the kidneys to excrete water, leading to an increase in blood volume and an increased burden on the heart. It is also related to many factors such as the patient often having hypertension, anemia, coronary heart disease, etc. For such diseases, it is first necessary to assess whether the patient has excess water in the body. If there is too much water, urgent dialysis ultrafiltration is needed to remove the water. After the water is removed, the symptoms of heart failure will be significantly relieved. Secondly, it is necessary to deal with some other complications related to heart failure. For example, in the case of anemia, temporary blood transfusions or the use of erythropoiesis-stimulating agents to promote hematopoiesis can be used. Hypertension requires the use of antihypertensive drugs to control blood pressure and other comprehensive treatment measures. (Please use medications under the guidance of a doctor)

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How to diagnose uremia

Uremia is the final state of chronic renal failure. This disease cannot be diagnosed through physical examination and medical history inquiry alone. Diagnosis requires testing, combined with the patient's physical examination and medical history, to comprehensively determine the diagnosis. Patients with uremia first need to have a blood test to check kidney function, with blood creatinine levels needing to exceed 707μmol/L. Secondly, they should undergo an ultrasound of the urinary system. Typically, the kidney size in such patients is reduced, which can be detected by the ultrasound. These two diagnostic methods used together can diagnose uremia. Patients also need to be checked for potential complications caused by uremia, such as measuring blood pressure and performing a complete blood count to check for renal anemia, among others.

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Can uremia be cured?

First, it is necessary to clarify the cause and the severity, so it is important to visit the nephrology department for comprehensive tests. Once the cause is determined, the next steps can be planned based on the results, and dialysis may be necessary if required. If there is no improvement, treatments such as kidney transplantation can be considered. It is also crucial to rest, avoid fatigue, reduce activities, especially strenuous activities, maintain a positive mood, adjust your mentality, and have regular follow-ups. Therefore, this issue needs to be actively addressed, as it can be very troublesome to manage and the prognosis may be very poor if not taken seriously.