The kidneys are a pair of bean-shaped organs in the back of the body and they perform the following functions:
When kidneys are unable to perform the above functions one will suffer from end-stage kidney failure. The failure of the kidneys to perform these functions will lead to a build-up of waste products, water, acid and minerals that may result in poor appetite, weight loss, nausea/vomiting, itchiness, breathlessness, swollen limbs, high blood pressure and changes in behaviour. Failing kidneys may also cause changes in hormone production which may lead to low red blood cell count and weak bones. In the most severe cases of end-stage kidney failure, one may become unconscious, develop fits and eventually die if they do not receive treatment.
Treatment options for end-stage kidney failure include haemodialysis, peritoneal dialysis or kidney transplantation.
Haemodialysis is a form of dialysis that takes place outside the body with a machine where blood is drawn from the arm through catheters Whereas peritoneal dialysis is done at home through a catheter in the abdomen. Kidney transplant is a surgery to place a healthy kidney from a deceased or living donor.
Compared to haemodialysis or peritoneal dialysis, kidney transplantation is the preferred treatment for patients who are assessed by their doctor to be suitable.
With over 1000 kidney transplant recipients and living donors under its follow-up, the kidney transplant programme is equipped with the state of the art facilities and multidisciplinary staff to provide advanced and team-based care, putting patients at the hearts of all we do.
Read more about our kidney transplant programme and achievements >
The SGH kidney transplant program provides a wide range of services for patients seeking kidney transplantation or donation. We have a team comprising of physicians, surgeons, transplant coordinators, nurses, pharmacists, dieticians and physiotherapists working together to provide an integrated person-centric care plan to maximize the opportunity for transplant success.
Our services include:
The transplant centre runs specialties clinics to cater for the needs of the programme:
In order to provide these services in a seamless manner, we have
Renal Transplant Unit
Tel: (65) 6312 2700
Email for pre-transplant coordinator: kidney.transplant@sgh.com.sg
Email for post-transplant coordinator: sgh.ren.clinicaltx@singhealth.com.sg
No. Patients who are undergoing dialysis rely on dialysis machines to help filter wastes from the body. For haemodialysis, dialysis is only performed for about 12 hours per week, or peritoneal dialysis at around 10 hours per day. As a result, it may only be able to remove up to 70% of waste products from the body. Hence patients are required to continue strict fluid and dietary restrictions to prevent excessive waste accumulation.
However, a successfully transplanted kidney functions in a person’s body for 24 hours a day, hence the effectiveness in removing wastes can be similar to a person who does not have any kidney failure. After a successful transplant, patient will:
You can undergo a kidney transplant when you:
You can undergo a pre-emptive living kidney transplant when your kidneys are close to failure, before dialysis must be initiated. If a pre-emptive transplant is not possible for you, you can start dialysis while waiting for kidney transplantation.
Kidney transplantation is a major surgery conducted under general anaesthesia. During the surgery, a cut will be made in the lower part of the abdomen to place the donor kidney(s) into the patient’s body. The blood vessels from the donor kidney(s) are then connected to the patient’s blood vessels that supply blood to the legs. The ureter from the donor kidney(s) is/are connected to the bladder.
The patient’s own kidneys will not be removed unless there is a specific reason requiring such removal, such as an infection, or if it is necessary to make room for the new kidney(s) to be placed into the body. Besides the surgical operation, other tubes may be inserted for various purposes such as a central venous pressure (CVP) catheter into the vein of the neck to allow monitoring of fluid balance and the administration of fluids or medication, a urinary catheter into the bladder to monitor urine production, and a tube to drain fluid and blood from the operation site.
Finally, a small plastic tube (called a stent) is usually inserted into the connection between the ureter and bladder. This is removed 2 to 4 weeks after the transplant by an outpatient procedure called a cystoscopy under local anaesthesia.
Kidney transplant surgery has no higher risk than other major surgery. However, as with all surgical procedures, complications can occur. The risk of death is less than 1%. Other possible risks of surgery include reactions to anesthetic drug, blood clots, rejection of new kidney, bleeding and infection. It is our priority in ensuring patient’s safety and reducing these risks.
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After completion of the transplant surgery, the patient generally stays in the hospital for one week. Some patients may require dialysis for a period of time if the newly transplanted kidney does not work immediately. Prior to your discharge, you will be counselled and educated on various aspects of caring for you and your newly transplanted kidney. Upon discharge, it is extremely important that you take the medication as prescribed, undergo the tests that are ordered for you and attend your appointments with your doctor or transplant coordinator.
Patients who do not have a living donor can be registered on the National Transplant Registry System (NTRS) if he/she fulfils the eligibility criteria to receive a DDKT.
Your kidney doctor will recommend registration on NTRS if you are medially eligible and willing. You are also encouraged to initiate and check with your doctor on your suitability for registration. A referral will be sent to the transplant team; after which you will be contacted by transplant coordinators to proceed with further screening tests to confirm your eligibility for registration.
These tests may include:
The criteria to be placed on the waiting list are stricter than the criteria to receive a living kidney donor transplant. This is because patients need to remain healthy and ready at any time to undergo kidney transplant surgery after a longer wait time. Patients who are NOT suitable to be placed on the waiting list include those with:
One may develop complications while on dialysis that may render them unfit to receive a kidney transplant. Some complications like infections can be treated but require a temporary suspension on the waiting list. During this period, one will not be called for DDKT even if there is a suitable donor available. If one remains medically eligible, they will no longer be suspended once the complications are treated adequately. A suspension does not increase the waiting time as wait time starts from your date of first dialysis. However, some complications may result in a permanent ineligibility remain on the wait-list to receive a DDKT. Hence, one would need to remain on dialysis if a living kidney transplant is not available.
Yes. LDKT is considered the best treatment option for patients with kidney disease because it offers better transplant outcomes. Kidney from living donors usually last longer than deceased donor’s kidney(s).
The waiting time for patients to proceed with LDKT versus DDKT is also significantly different. The average time to complete a LDKT is 6 months while on average, patients may have to wait for 9 years or more until a DDKT is available.
You will need to take long term medications (anti-rejection drugs) to suppress the immune system and be monitored routinely by the medical team after transplant. For best outcomes for you and the kidney, you will be advised to live a healthy lifestyle. The transplant team will provide step-by-step guidance as you embark on your new life with a kidney transplant.
At our hospital, the patient survival rates following a living and deceased kidney transplant at 1 year are 99.1% and 96.7%, as compared to 90.6% for patients on dialysis. Likelihood of transplanted kidneys functioning at 1 year exceed 98% and 89% for living and deceased donor kidney transplants respectively.
Before you return home, the ward clerk would have arranged for your follow-up appointment to see your kidney specialist. In the first year after transplant, you will need to attend frequent clinic visits so that your kidney specialist can review your tests results, adjust your medications and monitor for signs and symptoms of rejection and infection.
A typical schedule of outpatient clinic reviews:
However, patients with complications may require more frequent reviews.
Clinic reviews can be long and tiring. Depending on the complexity of their condition, some patients may require a longer time in the clinic. Therefore, appointment times may not take place according to schedule or sequence. We seek your understanding and patience in this matter. Clinic reviews are very important for the long-term success of your kidney transplant. Make sure you attend every visit.
Your blood and urine tests should be done at least 1 – 3 days before the clinic visit for timely processing of tests. This is done at the Transplant Center (Singapore General Hospital Block 7, level 1) or Specialist Outpatient Clinic Laboratory (Singapore General Hospital Block 3, level 1).
Bring along the laboratory request forms given to you in the ward and hand these to the laboratory technician.
Avoid doing your tests on the day of your clinic appointment as the results may not be ready for the kidney specialist to review.
Remember to bring your medications when you get your blood tests done. Some tests, such as those testing for immunosuppressive drug levels (e.g. Prograf), will require bloods to be drawn before the morning dose of medication. Take your medications once these tests are drawn and do not omit your medications.
Your kidney specialist will need to see these at the clinic review:
Please come at least one hour before your appointment as you will need to register and be counseled by the transplant coordinator before seeing the doctor.
After registering with the clinic receptionist, a transplant coordinator will review your home records and counsel you on post-transplant care.
The transplant pharmacist may see you especially if you have just received a transplant or are receiving complex treatment or are participating in a research study. He/She will check your laboratory results and medications so that recommendations on the doses of your medications can be made to your kidney specialist.
When you see your kidney specialist, please clarify your concerns and the management plan. In particular, you should understand what adjustments are being made to your drug therapy.
After the review by the kidney specialist, you should obtain your next clinic appointment, laboratory forms and prescription slip from the clinic assistant. Please check that you have these items before leaving the clinic. Talk to the transplant pharmacist if you need to carrageen medication delivery service.
Sometimes, you may be asked to do tests without the need to see the doctor. You may find out the results of those tests by asking the transplant coordinator who will advise you on follow-up actions after discussion with your doctor.
In order for your kidney transplant to be successful, you will need to take a combination of medications. There are two important groups of medications:
It is important to take these medications every day, according to your doctor’s instructions.
Immunosuppressive Drugs (Anti-rejection drugs)
The immune system comprises of cells and proteins (antibodies) that help us fight off infections from foreign microorganisms (bacteria/viruses/fungi).
However, the transplanted kidney is also recognized by the immune system as an object foreign to the body. If unchecked, the implanted kidney will be attacked and destroyed by the immune system in a process termed “rejection”.
Fortunately, the use of immunosuppressive drugs has allowed us to put the immune system into a partial sleep, thereby dampening the immune system’s response to allow a transplant to take place. These immunosuppressive drugs prevent the body from rejecting the kidney.
If you stop taking your immunosuppressive drugs, the immune system will wake up and attack your kidney transplant. Rejections may be severe enough for you to go back on dialysis due to kidney failure or die. It is therefore important to take your immunosuppressive drugs every day.
Special instructions on taking immunosuppressive drugs
Prophylaxis Drugs
Because immunosuppressive drugs dampen the immune system’s response, transplant patient are vulnerable to infections. Your kidney specialist will put you on medications to try to prevent infections (prophylaxis).
These medications include:
Take your prophylaxis drugs as prescribed and do not omit them – this would help keep you safe from infections.
Depending on the test you are going for, take note of the remarks
Before your kidney transplant, you were restricted to certain types of foods and drinks because of your kidney disease. However, this changes after transplant.
Before discharge, a dietitian will advise you of a nutritional plan. This plan will be tailored to your eating habits, weight, laboratory tests, kidney function and medications.
To promote healing after transplant surgery, you should eat adequate protein-rich foods such as lean meat, poultry, fish, eggs, milk, beans and legumes, and its products. You should also include a variety of grains, fruits and vegetables for adequate calories, vitamins and minerals.
Fad diets, diet supplements and herbal products should be avoided.
Find out more about eating well after kidney transplant here >
Renal failure and dialysis can affect the renal patient’s physical function.
Before transplantation, there is a window of opportunity to increase the success rate of their renal transplantation through prehabilitation.
If the doctor assesses a patient to be frail or to have problems with mobility, they may require an assessment by a physiotherapist. The physiotherapist will work closely with the patient to prescribe an individualized exercise programme to improve their function to help with their recovery after surgery.
During the immediate post-surgical period, you may feel tired easily, loss of appetite, swelling around the ankles and legs, difficulty in breathing and shortness of breath which could lead to physical inactivity. In addition, side effects of medications such as steroids may include weight gain, osteoporosis (loss of bone mass/decrease bone strength) and sarcopenia (loss of muscle mass).
Physical activity is important to mitigate many of these risk factors - if left untreated, this can lead to strokes and heart attacks.
Find out more about Physiotherapy Before and After Kidney Transplant here >
Now that you have gathered more information about kidney transplantation and donation, we hope to guide you through some actions that can help you decide on your preferred treatment option. If you have kidney failure,
If you are a family member or a friend of someone who has kidney failure,
Here are some of the resources to aid patients with their kidney transplant journey:
Live On: Support Organ Donation
Live On is a webpage maintained by the National Organ Transplant Unit that provides education and support on organ transplantation in Singapore.
Calculator
You can refer to our leaflets here:
After your transplant, you will be given medications to suppress the immune system - these medicines are critical to prevent your body from rejecting (fighting) the transplanted kidney. However, body's immune system not only defends the body from infections, it also helps prevent cancer. Abnormal cells are constantly being produced in our bodies - they are identified by our immune system and destroyed. The suppression of the immune system compromises this clearance of abnormal cells and puts transplant recipients at higher risk for development of certain cancers.
Cancer is a common problem in Singapore with 1 in 4 people developing cancer in their lifetime even without a transplant. Colorectal, lung and breast cancer are the commonest cancers diagnosed*.
Transplant recipients are at particularly high risk of cancers of the skin, lymph nodes and cervix (neck of the womb) compared to people without a transplant. Whilst cancer is treatable if detected early, cancer is among the top 3 causes of death in transplant recipients and we should be vigilant.
Some cancers can be prevented with vaccinations such as Human Papilloma virus (HPV) vaccinations for cervical cancer and hepatitis B vaccinations for liver cancer. Other cancers can be prevented with treatment of underlying causes - for example treatment and eradication of hepatitis C virus would prevent hepatitis C mediated liver cancer. The risk of cancer developing can be mitigated by reducing exposure to cancer-causing agents such as smoking, tobacco chewing or excessive sunlight exposure.
It is essential to detect cancers in the early stages in order to implement timely treatment for better outcomes. During your follow-up visits, you will be actively screened for cancer with annual ultrasound of the abdomen, stool testing for blood, mammograms and pap smears as appropriate. The intensiveness and type of screening will also depend on each person’s medical condition as assessed by his/her doctor. All transplant recipients are encouraged to examine their skin for worrisome lesions at least once a month (e.g. unusual moles, spots, rashes, nonhealing ulcers) and to practice sun protection measures such as application of sunscreen (SFP 50), avoiding prolonged sun exposure and wearing protective clothing. Early detection of breast cancer is helped by self-examination of the breasts for any new lumps or skin changes.
If cancer is diagnosed, you will receive appropriate anti-cancer treatment. In the course of treatment, the anti-rejection medications will be adjusted to allow the immune system to fight off the cancer. Some types of cancers e.g. blood cancers, may go away if the anti-rejection medications are stopped. However once these anti-rejection medications are stopped, there is a risk of rejection of the transplant although this is not always the case. Your nephrologist and oncologist will individualize the balance of anti-rejection medications and cancer treatment with you. *Singapore Cancer Registry 50th Anniversary Monograph 1968-2017
Infections are diseases caused when microorganisms such as viruses, bacteria, or fungi invade the human body.
Infections can occur when germs are passed onto a person from another person (e.g. cough droplets), animals or the environment (e.g. soil, water, the food we eat). Infections may also occur when germs that are usually in our own body get out of control or reactivate.
Common infections that can develop in kidney transplant recipients include infection of the lungs (pneumonia), urine (urinary tract infection), food poisoning (gastroenteritis) and soft tissues. Kidney transplant recipients may also acquire unusual infections that do not usually affect healthy people (opportunistic infections).
Because of the kidney disease and anti-rejection medications which suppress the immune system, kidney transplant recipients are more susceptible to infections and are at risk of developing more severe or complicated infections.
Infections can cause symptoms such as fever, breathlessness, diarrhea and serious complications such as organ injury (e.g., kidney, lung) and even death. Therefore, it is important for kidney transplant recipients to learn how to recognize infections and take steps to prevent them.
The signs and symptoms of infection depend on the type and severity of infection. In general, they may include:
If you are unwell, please speak to our Transplant Coordinator for advice. Depending on the situation, you may be advised to seek medical attention from a general practitioner, to see us in clinic, be admitted into hospital or to present at the Emergency Department. Many infections are contagious and can be dangerous for your fellow transplant recipients. Therefore, you should avoid walking into the Transplant Center without prior arrangement.
These restrictions may cause inconveniences and impede your newfound freedom and independence after being dialysis-free. However, it is important to prevent infection in an immunocompromised state to maintain your health and avoid complications.