More than 50,000 with ‘toxic’ metal hip implants at risk

  • The Medicines and Healthcare products Regulatory Agency issued a safety alert
  • British patients with the ‘metal on metal’ devices will be advised to undergo tests
  • The Government agency announced they are more dangerous than first thought

Stephen Matthews For Mailonline

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Thousands of Britons with metal hip implants need X-rays and blood tests to check their safety, watchdogs have announced. 

In an unprecedented step, the Medicines and Healthcare products Regulatory Agency (MHRA) said the devices may need to be recalled.

Patients with the toxic ‘metal on metal’ aids are at risk – with surgery to remove and replace them growing likely.

The Government agency issued a safety alert to say they are far more dangerous than first thought, with concerns having been raised for years. 

Its new guidance will encourage 56,000 patients to seek medical tests to determine if they are at risk of potential side effects, The Telegraph reports. 

Patients with the 'metal on metal' hip implants will be advised to have X-rays and undergo blood tests due to fears of their toxicity

Patients with the 'metal on metal' hip implants will be advised to have X-rays and undergo blood tests due to fears of their toxicity

Patients with the ‘metal on metal’ hip implants will be advised to have X-rays and undergo blood tests due to fears of their toxicity

The official warning was made after the once-pioneering devices were found to be still causing soft-tissue reactions well after surgery.  

It follows previous guidance that was issued in 2012 to ensure patients fitted with the hip implants were monitored regularly. 

‘Transformed the lives of many’ 

Dr Neil McGuire MHRA’s clinical director of medical devices said: ‘We have updated the current advice to ensure patients with metal on metal hip implants continue to receive appropriate follow up to detect emerging complications should they arise.

‘Hip implants have positively transformed the lives of many patients who in the past were subject to increasingly severe pain and progressive disability. These use a variety of metal, plastic and ceramic components.

‘Although the majority of patients with these metal on metal devices have well-functioning hips, it is known some may develop soft tissue reactions related to their implant. 

HIP IMPLANT SCANDAL

In 2010, two hip implants made by company DePuy were withdrawn from the market after concerns about their safety.

These accounted for around 10,000 of the metal on metal hips fitted in the UK since 2003.

Lawyers representing hundreds of patients who were given the DePuy ASR – used in hip resurfacing – and ASR XL – used in a full replacement – prepared compensation claims.

All patients who had these products were advised to see a doctor to check levels of cobalt and chromium in their blood and whether they have any muscle damage.

‘The clinical advice we have received indicates patients will likely have the best outcomes if these problems are detected early, monitored and treated if necessary.

‘If people have any questions about their hip replacement they should speak with their General Practitioner or implanting surgeon.’ 

Popular in the 90s 

The hips – which became popular in the 1990s – were meant to be stronger than those made of other materials. 

Replacements are supposed to make mobility easier for around ten to 15 years, manufacturers have claimed. 

But studies suggest some metal models fail far sooner than they should – leaving patients in crippling pain. 

Experts have also claimed that as the metal hips wear, they can deposit toxic ions into the bloodstream.

Destroy muscle 

Doctors say metal fragments could be toxic to the kidneys, and can also inflame tissue around the bone, destroying muscle. 

In recent years, lawyers have alleged the artificial hips have caused non-cancerous tumours, allergic reactions, and led to loss of muscle mass and bone strength. 

It is estimated that more than 100,000 patients have hip and knee replacement surgery each year in the UK, costing around £5,000.

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