Urinary tract infection: referred to as urine sensation, refers to the urinary tract inflammation caused by pathogens invasion of urinary tract mucosa or tissue. According to the site of infection, urinary tract infection can be pided into upper urinary tract infection and lower urinary tract infection, the former for pyelonephritis, the latter mainly cystitis.
Pyelonephritis is a urinary tract infection.
Cystitis: This is usually referred to as lower urinary tract infection. The main manifestations of adult women with cystitis urinary tract irritation, urinary frequency, urgency, dysuria, leukocytosis, even with hematuria, and even gross hematuria, bladder may have discomfort. Generally no obvious symptoms of systemic infection, but a small number of patients may have low back pain, fever (usually not more than 38 ℃), white blood cell count is often not increased. About 30% of cystitis is self-limited, can be self-healing within 7 to 10 days.
Acute pyelonephritis manifestations include the following two groups of symptoms:
① urinary symptoms: including urinary frequency, urgency, dysuria and other bladder irritation, low back pain and (or) lower abdominal pain;
② symptoms of systemic infection: such as chills, fever, headache, nausea, vomiting, loss of appetite, often accompanied by elevated white blood cell count and ESR faster. Generally no high blood pressure and azotemia.
The course of chronic pyelonephritis is very hidden. Clinical manifestations are pided into the following three categories:
① urinary tract infection performance: only a few patients intermittent symptomatic pyelonephritis, but more common manifestations of intermittent asymptomatic bacterial urine, and (or) intermittent urgency, frequent urination, lower urinary tract infection symptoms, waist discomfort and (or) intermittent low fever.
② chronic interstitial nephritis performance, such as hypertension, polyuria, nocturia increased, prone to dehydration.
③ Related manifestations of chronic kidney disease.
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