Procedure of Peritoneal and Hemodialysis:(Zoology).

Peritoneal and hemodialysis are two types of dialysis which are use as the treatment of kidney failure.

Here we explained the procedure of peritoneal and hemodialysis....

Q.N0-6:

Explain the procedure of peritoneal and hemodialysis.
Peritoneal and hemodialysis are two different methods used for the treatment of end-stage kidney disease when the kidneys are unable to function properly. Here's an explanation of the procedure for each:
PERITONEAL DIALYSIS:
Peritoneal dialysis (PD) is a form of dialysis that uses the peritoneal membrane, a natural lining of the abdominal cavity, as a filter to remove waste products and excess fluid from the body. The procedure involves the following steps:
1.CATHETER PLACEMENT:
A soft, flexible tube called a peritoneal dialysis catheter is surgically placed into the abdomen. The catheter has two parts: one end remains outside the body, and the other end is positioned inside the peritoneal cavity.
2.FILLING THE ABDOMEN:
A sterile dialysis solution, known as dialysate, is infused into the peritoneal cavity through the catheter. The dialysate contains a specific concentration of electrolytes and sugar. The volume of the dialysate is determined by the prescribed exchange (fill) volume.

3.DWELL PHASE:
Once the dialysate is inside the abdomen, it remains there for a specific period known as the dwell time. During this time, waste products, excess fluid, and toxins from the bloodstream pass through the peritoneal membrane into the dialysate by a process called diffusion.The duration of the dwell time depends on the type of peritoneal dialysis and individual needs.
4.DRAINAGE:
After the dwell time, the dialysate, now containing waste products, is drained from the abdomen through the catheter into a sterile drainage bag. This process is called drainage or outflow.
5.REPEAT EXCHANGES:
The steps of filling, dwell, and drainage are repeated several times throughout the day, typically four to six exchanges in a 24-hour period. This continuous cycling of dialysate allows for the removal of waste and excess fluid, simulating the kidney's filtration process.
As shown in the figure:
 

HEMODIALYSIS:
Hemodialysis (HD) is a procedure that involves using a machine to filter blood outside the body. Here is an overview of the steps involved in hemodialysis:
DIALYSIS MACHINE:
The hemodialysis machine contains a dialyzer, also known as an artificial kidney. The dialyzer consists of two compartments separated by a semipermeable membrane. One compartment contains the patient's blood, and the other compartment contains a special dialysis solution called dialysate.
DIALYSIS PROCESS:
The patient's blood is pumped into the dialyzer, where it flows alongside the dialysate but remains separated by the membrane. Waste products, toxins, and excess fluid in the blood pass through the membrane and are removed by the dialysate, which acts as a filter. The filtered blood is then returned to the patient's body.
MONITORING:
During hemodialysis, the patient's vital signs, such as blood pressure, heart rate, and oxygen levels, are continuously monitored. The machine also controls the rate of blood flow and monitors the dialysis solution's composition.

As shown in the figure: