Kidney puncture needle safety in children

Kidney biopsy is safe and accurate

Renal biopsy is the only method for the pathological diagnosis of kidney disease.

At present, there are two main methods, one is the open puncture renal biopsy method; the other is the percutaneous puncture renal biopsy method; the latter method is a method commonly used at home and abroad, that is, the renal puncture needle is used to pierce the kidney of the human body. tissue, and a small amount of kidney tissue was removed for pathological analysis.

Renal biopsy has long been widely used at home and abroad. It is an important method for diagnosing diffuse renal disease and is of great value for the diagnosis, guidance of treatment and estimation of prognosis of renal disease. Although renal biopsy is an invasive test, it does little damage to the kidney. There are more than 2 million glomeruli in a normal human body, but only about 20 glomeruli are taken for pathological analysis in each renal biopsy. Moreover, the kidneys have good storage and repair capabilities, and generally only 40% of the nephrons are working. Therefore, patients or parents should eliminate concerns.

In addition, renal puncture is generally performed under direct vision on the X-ray screen of intravenous nephrography, or under the guidance of B-ultrasound, so it is relatively safe and accurate.

Renal biopsy can help confirm the diagnosis

Some parents will question why puncture is necessary and what is the role? Specifically, the role of renal puncture biopsy has the following aspects: The first is to help clarify the diagnosis. The diagnosis of kidney diseases, especially glomerular diseases, is complicated. The same clinical manifestations can come from different pathological types, and the same pathological type can have multiple clinical manifestations, which lack a fixed pattern. It is very meaningful to make a correct pathological diagnosis. The second is to help develop a treatment plan. Such as clinical primary nephrotic syndrome, its pathological can have various types of nephritis with different pathological changes, the treatment effect and disease outcome are not the same. Without renal biopsy, it is impossible to formulate a reasonable treatment plan in a targeted manner.

In addition, renal biopsy can visually detect changes in the glomerulus, prompt prognosis, and guide a correct lifestyle.

Renal puncture is not suitable for renal malformations, renal tumors, etc.

There are also contraindications to renal biopsy. Renal malformation (congenital polycystic kidney, solitary kidney, contralateral renal dysplasia, renal artery stenosis, etc.), renal tumor, renal cyst, intrarenal infection (including renal tuberculosis or perirenal abscess), hemorrhagic disease, malignant Renal puncture should not be performed in the case of hypertension, uremia, during anticoagulation therapy, and a large amount of ascites.

Many parents worry about complications from puncture. The most common complication of renal biopsy is hematuria: microscopic hematuria occurs in almost every case, and usually disappears spontaneously within 1 to 2 days. The incidence of gross hematuria is 2% to 12%, and it can be converted to microscopic hematuria after about 1 to 3 days. Other less common complications include: perirenal hematoma, infection, arteriovenous fistula, etc. However, with the continuous improvement of puncture needles and puncture methods, the puncture success rate and safety have been greatly improved, and the complications have gradually decreased.

In short, as long as the indications are well grasped, the preoperative preparations are carefully prepared, the positioning is accurate, and the operation is skilled, renal biopsy in children is safe and reliable.

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