When and Why do I need dialysis?

What are the side effects of dialysis?
Beginning dialysis treatment can be an intimidating experience for a patient. The habitual process of attending dialysis sessions consequently evolves into one’s routine, akin to someone with chronic kidney disease making frequent visits to a dialysis centre. These habitual encounters facilitate the performing of the detoxification task on the patient’s bloodstream – a duty once shouldered by their original kidneys prior to breakdown.
Nonetheless, much like any other medical intervention, dialysis isn’t devoid of side effects either. Patients may confront minor uneasiness initially; however, as they delve deeper into its course, more significant issues might crop up. Potential adverse reactions might span from exhaustion and muscular spasms all the way up to graver ones such as sepsis – particularly if a catheter comes into play during therapy. Recognising potential risks embedded within these sessions grows increasingly essential for those undergoing them.
Deciding whether to continue with dialysis or opt for a kidney transplant is a process that requires careful consideration between patients and their healthcare provider. Regular discussions can help minimize potential risks and create a personalized plan for a good quality of life without relying on dialysis in the long term. This optimistic dialogue can help patients feel more confident and empowered about their health.
What are the potential risks or complications of haemodialysis?
When a dialysis machine is integrated into a person’s body, a special access point is required, usually located near the arm. This access point serves as a pathway for the patient’s blood to travel through tubing to the dialysis machine, where waste products are filtered out before the cleaned blood is returned to the patient’s circulatory system. There can be complications, ranging from minor issues such as skin infections, bleeding, and drops in blood pressure to more serious problems like blood clots or heart issues.
At dialysis centres, healthcare providers and patients work together to reduce risks. However, dialysis cannot perfectly replicate natural kidney function, which can lead to complications from waste buildup.
Which type of dialysis is best?
In the face of a daunting diagnosis such as end-stage kidney disease, making sense of dialysis options can be an overwhelming task. Haemodialysis and peritoneal dialysis are two main options that you may consider. The former utilises a machine to directly filter toxins from the bloodstream, whereas the latter makes use of a specially-formulated solution introduced into the patient’s abdomen via minor surgical intervention. This particular fluid absorbs waste before it is subsequently drained.
The decision between these two types of dialysis hinges on individual patient circumstances. Acute renal complications or abrupt kidney failure might necessitate immediate recourse to haemodialysis. Conversely, those still in a proactive stage with their kidney disease could consider trying peritoneal dialysis instead.
Further adding to its appeal, peritoneal dialysis offers patients the opportunity for at-home care through automated mechanisms—not an insignificant advantage for many individuals grappling with chronic illness realities on a daily basis. However, every step towards treating renal failure requires careful consideration of risks associated with procedures along with how they will impact lifestyle factors pertinent to each patient when assessing treatment decisions.
Meet Dr Alvin Ng Kok Heong

Dr Alvin Ng
Senior Consultant NephrologistMBChB (Auckland), FRACP (Aus), FAMS (Renal Medicine)
Dr Alvin Ng is a nephrologist in Singapore with more than 20 years of experience. He specialises in the diagnosis and management of a wide range of kidney conditions and is committed to providing comprehensive, personalised and evidence-based care for patients with kidney disease.
Prior to private practice, Dr Ng served as a consultant nephrologist at Changi General Hospital, where he was Director of the Peritoneal Dialysis Service and a member of the MOH Peritoneal Dialysis Workgroup. He has also held leadership roles within the Singapore Society of Nephrology and has been actively involved in the education of medical students, junior doctors and specialist trainees. His contributions to patient care, medical education and professional service have been recognised through multiple awards.
