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Dr Bryan Betty: Carpal Tunnel Syndrome

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Saturday Morning with Jack Tame

Jack Tame’s crisp perspective, style and enthusiasm makes for refreshing and entertaining Saturday morning radio on Newstalk ZB. News, sport, books,  
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Carpal Tunnel Syndrome – a surprisingly common issue that starts to affect the wrist and hand causing pain and discomfort.   

 

What is Carpal Tunnel and how common is it?  

  • A nerve compression issue – one of the most common.   
  • Pressure on the 'median' nerve as it passes through the wrist  
  • It causes numbness, tingling, pain, and hand weakness.  
  • Affects around 3–6% of adults, and is more common in women.  

 

How do you recognise it? What are risk factors?  

  • Gradually notice tingling or numbness in the thumb, index, middle, and ring finger on the palm side.   
  • Symptoms are often worse at night, waking people up, or after repetitive use  
  • It can cause weakened grip, resulting in dropping objects, and pain using the steering wheel while driving.  
  • Those at risk: people who do repetitive work, pregnant people, those with diabetes, obesity, arthritis, or thyroid disease.  
  • It’s most common in women aged 40–60.  

 

How is it diagnosed?  

  • Your doctor will take a history and do an examination.  
  • They will refer you for nerve test to confirm the diagnosis.  
  • An early diagnosis helps prevent permanent damage.  

 

What is the treatment?  

  • In mild cases, night splints to keep stop the wrist 'flexing' (bending over) while asleep and reducing activity.  
  • Manage underlying conditions which aggravate the condition such as thyroid issues, diabetes.  
  • Steroid injections can sometimes help.  
  • However, people are often referred to surgeon for a simple procedure to cut the ligament in the wrist that compresses the nerve.  
  • Most people recover well with excellent long-term results.   

 

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