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Correct Answer: standard long home hd
hemodialysis (hd) is a medical procedure used to treat kidney failure, where a machine and a special filter called a dialyzer are used to clean the blood. the procedure removes waste products and excess fluids from the blood, which are typically filtered by working kidneys. there are various modes of hemodialysis, depending on where and how frequently the dialysis is performed. each type is designed to fit different lifestyle needs and medical conditions, providing flexibility and tailored treatment for patients with chronic kidney disease.
the common types of hemodialysis include:
1. **standard in-center hd**: this type of hemodialysis is conducted in a hospital or dialysis center. patients typically go to the center three times a week, with each session lasting around four hours. this is the most common form of hemodialysis and involves visiting a medical facility at scheduled times.
2. **nocturnal in-center hd**: similar to standard in-center hd, this form takes place in a medical facility but occurs at night. patients sleep at the facility during dialysis, which usually lasts about six to eight hours. this longer session allows for a slower rate of dialysis, which some patients find more tolerable.
3. **standard home hd**: this method allows patients to undergo hemodialysis at home. patients typically stick to a schedule similar to that of standard in-center hd. the advantage is the comfort of being at home and the flexibility it offers, although it requires training and space for equipment.
4. **short daily home hd**: this type of dialysis is also performed at home but is done more frequently, typically five to seven times a week for shorter durations, about two to three hours each session. the more frequent sessions can better mimic the natural activity of the kidneys, which continuously clean the blood.
5. **nocturnal home hd**: this involves overnight dialysis at home, providing a slow and prolonged treatment similar to nocturnal in-center hd. it is done while the patient is sleeping, which can be more convenient and less disruptive to daytime activities.
each of these types of hemodialysis has distinct schedules and settings, but they all share a common goal: to replace the function of healthy kidneys in filtering blood. the question specifically mentions "standard long home hd" as a type of hemodialysis. however, this is not a recognized category in the standard protocols of hemodialysis treatments. the term might be confused with other well-established modalities like "standard home hd" or "nocturnal home hd," but as it stands, "standard long home hd" does not correspond to any typical or widely recognized form of hemodialysis therapy. therefore, it is not considered a valid method of hemodialysis and is the correct answer to the question regarding which option is not a way of performing hemodialysis.
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