nephritis

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Song Dan Chief physician (review) Department of Nephrology, Wuxi Second People's Hospital
Nephrotic physiological function Mainly excretion Metabolites And regulating water electrolyte and acid-base balance , secrete various Active substances , maintain the body Stable internal environment To ensure the normal operation of the engine body physiological function Nephritis is mediated by immunity Inflammatory mediators (e.g complement cell factor active oxygen And so on), and finally lead to kidney intrinsic Histogenesis Inflammatory changes, causing different degrees renal function A regressive group kidney disease , which can be caused by a variety of causes. Non immune and non inflammatory mechanisms are also involved in the chronic process.
Foreign name
nephritis
Visiting department
Department of Nephrology
Multiple population
Elderly, patients with impaired renal function, hypertension, obesity
Common causes
Unknown
common symptom
Hematuria, proteinuria, edema, hypertension, etc
infectivity
nothing
Chinese name
nephritis

classification

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Yes Acute nephritis syndrome It is a group of diseases with main manifestations. It is characterized by acute onset, hematuria, proteinuria, edema and hypertension, and may be accompanied by Transitory Renal insufficiency More common in Streptococcal infection , while other bacteria Viruses and Parasitic infection It can also cause.
abbreviation chronic nephritis , referring to proteinuria, hematuria, hypertension and edema clinical manifestation , the way of onset is different, the condition is prolonged, the disease progresses slowly, and may have different degrees renal function Decline and eventually develop into chronic renal failure A group of Glomerulopathy Due to the different pathological types and stages of the diseases in this group, the main clinical manifestations are different, and the disease manifestations are diversified.
Also called acute Renal tubule - Interstitial nephritis , is a group of Renal interstitium Inflammatory cell Acute kidney disease characterized by infiltration and tubular degeneration, glomerulus The renal vessels are generally not affected or are relatively slightly affected. The clinical manifestations are Acute renal injury Common reasons are Drug allergy , infection Autoimmune disease Malignant tumor Metabolic disease And unknown etiology.
It is a group of clinical syndromes characterized by tubular atrophy, infiltration of inflammatory cells in the renal interstitium and fibrosis. The mechanism of renal interstitial damage may involve genetic , Immunization relevance Infectivity Blood system diseases , poisoning Metabolic disorder , urinary mechanical obstruction and renal transplant Exclusion and other factors. The clinical manifestations are different degrees of renal tubular dysfunction and progressive chronic renal failure.
abbreviation Hepatitis B associated nephritis , is by Chronic hepatitis B After the virus (HBV) infects the human body Immune complex nature Glomerulopathy The clinical manifestations vary in severity, which can be manifested as asymptomatic urine test abnormalities or nephropathy The range of proteinuria may be accompanied by hematuria of different degrees. Kidney damage The pathological types are diverse, and children Membranous nephropathy It is common in adults and can be manifested as membranous proliferative nephritis or membranous nephropathy.
It refers to the clinical manifestation of reversibility Non oliguria acute renal injury, tubulointerstitial disease of unknown etiology. Renal pathology shows interstitial edema and mononuclear cell infiltration, but it is difficult to determine the specific cause clinically. Most of them are related to autoimmune diseases, and some patients can finally be identified by close monitoring and dynamic observation. As with Chronic active hepatitis Ulcerative colitis Autoimmune thyroid disease And so on. TINU syndrome is one of the special types Uveitis , which may occur before kidney damage (several weeks), at the same time or after kidney damage (several weeks to several months). It is common in children, adolescents or adult women.

clinical manifestation

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The main manifestations of nephritis: fatigue, waist pain Tolerance Gross hematuria , edema, hypertension Renal dysfunction Urine output Decrease (some patients Oliguria )、 Congestive heart failure Etc.

inspect

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  1. one
    Urine examination: proteinuria, hematuria, tubular urine, leucocynuria, pyuria and bacteriuria.
  2. two
    Determination of glomerular filtration rate
  3. three
    Blood creatinine and blood urea nitrogen were detected.
  4. four
    Serum complement C3, C4 and CH50; Serum anti streptolysin "O" titer; Anti nuclear antibody spectrum, ENA polypeptide antibody spectrum, immunoglobulin, ANCA, anti glomerular basement membrane antibody, etc.
  5. five
    Renal biopsy.

treatment

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The treatment principle includes removing the inducement, General treatment , for the etiology and Pathogenesis Treatment, complication and complication Treatment and kidney Alternative treatment
1. General treatment
Including avoiding fatigue, removing infection and other incentives, and avoiding contact Nephrotoxicity Drugs or poisons, adopt a healthy lifestyle (such as quitting smoking Moderate exercise And emotional control) and reasonable diet. acute stage Stay in bed and rest, and gradually increase the amount of activity after the clinical symptoms improve. In acute phase Low salt diet (less than 3g per day). Not required for people with normal renal function Restriction protein Quality input, but Azotemia Protein intake should be limited and high quality animal protein Mainly. People with oliguria should limit their fluid intake.
2. Treatment for etiology and pathogenesis
Treatment for immune pathogenesis, often including Glucocorticoid and Immunosuppressant treatment. Blood purification treatment as Plasma exchange Immunoadsorption And effectively clear the body autoantibody and Antigen antibody complex Treatment for non immune pathogenesis, including hypertension Hyperlipidemia hyperglycemia hyperuricemia , obesity, proteinuria and intrarenal High solidification state Renin angiotensin system Activation oxidative stress And so on. renin -Angiotensin system blockers, such as ACEI/ARB, are delayed kidney trouble Progress most important Treatment measures one of.
3. Treatment of complications
Kidney disease patients often have a variety of complications, such as metabolic abnormalities, hypertension coronary heart disease heart failure and cirrhosis It may aggravate the progress of kidney disease and should be actively treated.
Complications of kidney disease can involve various systems, such as infection Coagulation function Exceptions Renal hypertension Renal anemia Renal osteopathy , water electrolyte and Acid base balance disorder Acute left heart failure pulmonary edema And uremic encephalopathy should be actively treated.