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Joint Replacements: Obesity

Asked by Vicky FoxcroftLabourDepartment of Health and Social CareTabled Answered 13 October 2025UIN 77102

The question

To ask the Secretary of State for Health and Social Care, what assessment he has made of the effectiveness of the use of body mass index criteria as a means to accessing treatment such as joint replacement surgery.

Answered by Karin Smyth

The Department has made no specific assessment of this criterion alone.

As with all surgery, body mass index would be considered as part of a holistic, personalised, perioperative evaluation of the risks versus the clinical need for joint replacement surgery of an individual patient. However, body mass index should not be considered in isolation and in and of itself should not act as a barrier to surgery.

For example, blanket body mass index thresholds for surgery should not be in place or used as a means of determining eligibility for surgery.

As part of the NHS Elective Reform Plan there is a commitment to expand access to the NHS Digital Weight Management Programme for patients waiting for hip and knee surgery.

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