Page 7 - Seniors Today October 2020
P. 7

Cover Story  Keeping the kidneys healthy

         Our kidneys are pretty good at looking
         after themselves, and we do not need to
         take special measures to look after them.
         In fact the job of the kidneys (along with
         the liver) is to look after our health when
         we are not doing just that; they take care of
         too much or too little water consumption,
         manage the excretion of toxins and other
 our Body
 ’s
 Your Body’s   socially acceptable poisons that we are      Drink as much water as your thirst tells you to, but in-
 Y
         prone to ingest, and effectively control
 F
 iltration Plant
 Filtration Plant  the elimination of drugs which may be    crease intake if you have had kidney stones in the past
         prescribed or recreational.
                                                            in the urine. When this mechanism fails,
          Nevertheless, there are some conditions           either from being swamped by dietary or
         that put the kidneys at risk of damage and         fluid indiscretions, or from inherent lack
         we need to be aware of these. Diabetes             of normal inhibitory factors in the urine,
         mellitus and hypertension over a period of         a kidney stone will form. Small stones
         years can put the kidneys at risk of damage,       floating about in the kidneys rarely cause
 Often overlooked until something goes wrong with them, the kidneys are   and although this can be reduced by proper   any discomfort. It is usually when they
 vital organs which need preventive care, writes Dr Percy Jal Chibber  control with medications, the risk is not   become larger or start traversing the ureter
         entirely eliminated. Chronic use of certain        on their way to the urinary bladder, that
 The kidneys are paired bean-shaped   (homeostasis).   prescribed medications such as painkillers   the typical kidney pain results. Kidney
 organs situated on the back wall of the   Each kidney contains a million tiny   (paracetamol and tramadol are reasonably   or ureteric colic is often severe spasmodic
 upper abdominal cavity. Urine filtered by   filtration units called nephrons, and this is   safe) or antibiotics may affect kidney   pain on one side of the abdomen or back
 the kidney is conveyed by tubes called the   nature’s way of furnishing us with surplus   function and you need to make your doctor   that radiates down to the groin. In between
 ureters that run from the kidneys down to   capacity. We do not become unwell or show   aware of this if you have a kidney ailment.   spasms, the patient may be relatively
 the bladder, where it is stored before being   signs of kidney failure until we are down   How much water is good for the kidney, is   comfortable. It may be accompanied by
 passed.   to the last 10-15% of our nephrons. An   a question I am often asked. The obvious   nausea or vomiting, fever with chills
 The kidneys are literally vital organs, in   estimate of the kidney’s filtration capacity is   answer is, let thirst be your guide. However,   and difficulty in voiding. The urologist
 that, life is unsustainable in their absence.   the Glomerular Filtration Rate (GFR) which   if you have formed kidney stones in the past   will confirm the diagnosis and detect the
 The main function of the kidneys is that   can be accurately measured, if required, or   it may be advisable to maintain a good daily   number, size and situation of the stone/s
 of a filtration plant. It receives blood from   more commonly is roughly estimated by the   urine output (2 litres) by consuming the   by doing a Non Contrast Scout CT Scan
 the body with each heartbeat and filters   serum creatinine level, and testing for urine   requisite amount of water.  of the abdomen, and will run some blood
 out unwanted stuff like excess of hydrogen,   composition and microscopy.  and urine tests to check for infection and
 potassium, uric acid, water and other   In addition to being a vital filtration   Kidney Stones  ascertain kidney function.
 breakdown products of metabolism or what   plant, the kidney also performs the role of   The kidneys filter out solutes like calcium   If the stone is smaller than 6mm, then
 we imbibe, in the form of food or drugs and   an important endocrine gland producing   oxalate, calcium phosphate, uric acid and   the patient is urged to try and expel the
 medications. It does this while retaining   hormones that are directly released into our   urates and other such solutes. If the volume   stone spontaneously by taking painkillers,
 the desired levels of important ingredients   blood. These hormones are Renin to control   of urine is high, then the urine solution is   copious water intake and medicines that
 like proteins, glucose, bicarbonate and   our blood pressure, Vit D and Calcitonin   dilute and this deters crystals from forming   assist in relaxing the ureter and assisting
 other electrolytes and water. In so doing it   activating enzymes that control calcium   in the urine. If crystals do form, they are   normal passage. If this fails, or if the stone
 maintains a steady balance of important   metabolism and Erythropoietin that   prevented from aggregating to form a stone   is larger, or if pain and infection persist,
 body ingredients, despite external factors   maintains our haemoglobin levels.  by protective substances usually secreted   then the stone will need removal. This is


 6      SENIORS TODAY | ISSUE #16 | OCTOBER 2020                                                            7
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