Updated at: 17-05-2022 - By: Sienna Lewis

Do you want to know why people prefer to donate their left kidneys? Well, there are no more mysteries. Medical professionals often prefer to donate the left kidney for transplantation. The nephron veins in the left kidney appear to be more extensive, making the insertion procedure more efficient.

Left kidneys are more likely to be suited for those with a large liver on the other side of their chest.

A pericardial organ, the kidney resides beyond the peritoneal, lining your abdominal wall, as opposed to other inside organs. Let’s take a closer look at why the left kidney is preferable to the right.


This method has become an essential part of the care of endstage renal failure in centers with a shortage of cadaveric kidneys, in addition to its superior graft survival. The donor must be in good health in order to pursue this option. The choice of which side of the kidney to harvest is a constant source of debate. Choosing the left kidney has an impact on both the patient and the donor, according to this study. cadaveric and clinical subsets in an extensive database were analyzed. A total of 1,244 kidney pairs were studied (305 cadaveric and 939 clinical, including 61 extraperitoneally obtained live related left kidney transplants).

Results: Right first and second = 18.6%, 4.7%; left first and second = 27.6%, 4.4% additional renal arteries (ARAs). Additional renal veins (ARV): right first and second = 26%, 3.3%; only left first = 2.6%. Right: 2.4 +/- 0.7 cm, left: 5.9 +/- 1.5 cm in length of the renal vein. Only on the left side of the body were further venous differences discovered (renal collar 0.3 percent , retro-aortic vein 0.5 percent ). 24.6 percent of ARAs were found in the sequence of live-related transplants (first 19.7 percent , second 4.9 percent ). Both the donor and the recipient had a normal postoperative course and prognosis. For technical reasons, greater length of the left renal vein (LRV) allowed for simpler handling, but its length was shorter than previously reported. Due to the abundant intrarenal anastomosis, ARVs are rare on the left and can be ligated with impunity when encountered. Surgery must weigh the potential for fewer ARAs on the right against the advantages of a longer long-term renal graft. This difficulty can only be solved by conducting a randomised clinical trial. Consistent use of the left kidney has had little impact on clinical outcomes in our practice.

What Is A Kidney Transplant?

In kidney transplantation, a healthy donor kidney is used to replace a damaged one. If the donor is deceased, the kidney will come from that donor. If you keep in mind that your kidneys will be donated by a family member or someone else whose kidneys match yours, it will be easier for you to accept the donation.

Donors of a kidney can enjoy a long and healthy life even if they only have one remaining kidney.

There is only one kidney available for transplantation in kidney transplantation. Occasionally, a deceased donor may be able to provide two kidneys. In most circumstances, the kidneys are removed from the patient’s body and discarded. The front side of the body has the kidney placed in the abdominal region (below the stomach).

For What Reasons Left Kidney Is Preferred For Donation?

In terms of organ donation, why is it that the left kidney is more commonly chosen? Most studies reveal that the left kidney is more in demand than the right one when it comes to kidney donation. So, you’re wondering why the left kidney is chosen for donation now? This is why the left kidney is not appropriate for donation:

The left kidney has already been reported to be easier to transplant into a patient’s body than the right kidney. This is because the kidney vein’s connection to other veins is easier to form because the renal veins are so lengthy.

The expanded nephron vein in the left kidney makes transplantation go more quickly. It is possible to operate on the patient’s aorta and portal veins on the patient’s right side.

Cadaveric donor kidney transplant outcomes can be harmed by a variety of factors including age, gender, weight, cause of death, final kidney function, co-morbidities, and even the presence of a pre-heart.

Researchers have recently discovered that early and moderate renal allograft performance of wrong kidney patients is equivalent to that of left kidney recipients even in the first year of transplantation.

For donation purposes, both kidneys are entirely fine to give away. Even so, the better structure of the left kidney tends to favor it over the right, as it is easier to access and has longer veins, making later transplantation easier.

There are rare variances, but in general, the right adrenal vein drains directly into the inferior vena cava, while the left adrenal vein drains into the left renal vein. Because the adrenal vein is usually torn during left-sided donor surgical excision, we predicted that vein occlusion would reduce hormonal function.

The left adrenal gland is also surgically damaged during the procedure. To begin with, we decided to examine the adrenal function and size of living kidney donors in order to determine if they were suitable candidates for left- or right-sided nephrectomy.

For the reasons outlined above, it has been demonstrated that the left kidney is preferred over the right. If you’re still unclear about kidney transplants, check out this article on the subject:

What Are The Significant Risks Of Kidney Transplantation?

Many lives have been saved by kidney transplants yet there are situations when both the donor and recipient suffer. The following are some risks associated with kidney transplantation:

  • Bleeding to death
  • Kidney infection
  • caused by a kidney transplant, irritated blood vessels
  • Urine leakage or ureteral obstruction
  • After-transplant kidney dysfunction

Results Of Left And Right Kidney

Additional renal arteries (ARAs): 18.6% and 4.7% of the right first and second arteries, respectively; 27.6% and 4.4% of the left first and second arteries. Additional renal veins (ARV): right first, second, and third (26%) and third (3.3%); only left first (3.3%). (2.6 percent ).

There was a 0.7-cm difference between the right and left renal vein lengths when measured in centimeters. Other venous abnormalities were exclusively discovered on the left side of the body (renal collar 0.3 percent, retro-aortic vein 0.5 percent ). A total of 24.6 percent of ARAs (first 19.7 percent, second 4.9 percent) were discovered in the live-linked transplant series and connected to increased morbidity.

While having a longer left renal vein (LRV) made technical manipulation easier, it’s also worth mentioning that the LRV itself is longer than average.

ARVs are infrequent on the left side, but when they do occur, the intrarenal link makes it easy to find the smaller diameter vessel to bind. In contrast, you should read “Why we utilize the donor left kidney in live related transplantation?” as this page goes into great detail about why they use left kidney in this procedure.

It’s A Wrap!

Finally, the answer to the question, “Why is the left kidney more commonly donated?” We appreciate your perseverance in seeing things through to the end. For this reason, we hope that you will understand why the left kidney is more commonly donated. If you’re curious, you might also want to check out “Who pays for kidney donation?”. That’s all I have to say about that!