PKD Clinic

Polycystic Kidney Disease& Kidney Cysts

Urinary Tract Infection

Urinary tract infection is a common symptom of PKD and renal cyst. Back pain and blood urine both can warn patients of urinary tract infections. > Urinary Tract Infection

Urinary Tract Infection

What is urinary tract infection?

UTI is short for urinary tract infection, which is a kind of urinary tract inflammation caused by causative agent. According to the location of its infection, UTI can be divided into upper and lower urinary tract infection. The former one, i.e. upper UTI is also known as pyelonephritis, while the latter one is called urocystitis. Moreover, complex and non complicated UTI based on underlying disease are divided.

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Why can PKD (Polycystic Kidney Disease) induce urinary tract infection?

Polycystic Kidney Disease describes a condition that clusters of cysts grow in the kidneys. Along with the growth of cysts, infection is inevitable. The infected cysts contribute to UTI as a result. According to statistics, almost 1/3 of PKD patients who are on Hemodialysis suffer from UTI.

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How serious UTI can be?

UTI may lead to kidney impairment if left untreated, let alone patients with Polycystic Kidney Disease. Progressive kidney damage results in ESRD (End-stage Renal Disease) or even death in the long run. Once or twice urinary tract infection in PKD patients may not serious enough to raise their attention, but UTI is pretty easy to recur which is hugely destructive.

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How to detect whether the PKD patients complicated with urinary tract infection or not?

Typical symptoms can help recognize this complication. Its common signs include painful urination, urgent urination, pubic arch area pain, persistent high fever and backache etc.

It is a little bit hard to diagnose Pyelonephritis and cyst infections in clinic. One can only differentiate these two complications by urine culture, increased white blood cell count in blood and whether responding well to antibiotics or not.

Image examination should be taken when urinary tract infection might attack in Polycystic Kidney Disease patients. Plain film could help recognize the location, size and number of renal cysts. Well, CT scan is better at detecting perinephric abscess. Retrograde pyelography should be avoided as much as possible as this examination would double the chance of ichorrhemia in PKD patients.

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How to deal with UTI in PKD patients?

Choosing right antibiotics treatment is the key point for dealing with UTI in those PKD patients. Well, simply adoption of antibiotics is far from enough. Regular physical recheck is extremely necessary. What's the point? Detect the disease as early as possible so as not to pose further and bigger kidney impairment.

When one suffers from Polycystic Kidney Disease complicated with UTI, treating primary disease also matters, meaning PKD should also be dealt with, not just urinary tract infection or other complications.

The application of antibiotics should be prolonged when PKD patients experience UTI, but it is a little hard to cure it even though. Some of the infections would finally progress to perinephric abscess or ichorrhemia making surgery inevitable.

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what should I do to prevent it from happening?

Urinary tract infection, high blood pressure and ruptured cysts are common complications of Polycystic Kidney Disease, and also the key factors that aggravate or induce further kidney impairment. UTI and of course, other complications should be well controlled and treated as early as possible so as to possibly improve the prognosis and life span in PKD patients.

If I have Polycystic Kidney Disease, but still with no urinary infection, what should I do to prevent it from happening?

Preventing trauma in your daily lives

The cysts would grow with each passing day. For big cysts, any kind of trauma might induce bleeding and rupture, which result in infections in the long run.

Taking good control of your blood pressure

Most of the patients with this genetic kidney disease suffer from high blood pressure before their kidney has been damaged. For such cases, taking good control of one's hypertension means a lot to one's progression, so as to the occurrence of its complications.

Staying away from flu and infections

Flu or various infections aggravate patients' medical condition. In certain cases, flu or infection would induce the relapse or attack of the disease.

Other than these prevention measures, treating this genetic kidney disease as better as possible becomes extremely important for patients' no matter prognosis, life expectancy and life quality.

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