What is the maximum hourly ultrafiltration rate (UFR) for a patient weighing 65 kg?

To determine the maximum hourly ultrafiltration rate (UFR) for a patient weighing 65 kg, you need to apply the standard guideline used in dialysis treatment. The maximum hourly UFR that is typically considered safe for a patient is generally estimated at about 10 to 12 ml per kg of body weight per hour.

For a 65 kg patient, calculating the maximum UFR would involve using the higher end of this range. By multiplying 65 kg by 12 ml/kg/hr, you arrive at 780 ml/hr. This value, within the clinical guideline, indicates that ultrafiltration rates above this threshold can lead to adverse effects such as intradialytic hypotension.

While 800 ml is close to the calculated figure but slightly above the commonly accepted threshold, 845 ml, being more than 780 ml, is also considered excessive. The safest UFR still falls within the established range and therefore justifies the choice of 750 ml as the maximum safe and commonly accepted standard.

This choice is instrumental in providing effective treatment while minimizing potential complications for the patient undergoing dialysis, thus making the correct response align with established clinical guidelines.