22 March 2013 Last updated at 17:04 ET
The retention of emergency stroke services at Ipswich Hospital is "vital", according to a senior health service source.
Provision of hyper acute stroke units (HASUs) is being reviewed by the NHS.
Options under consideration include Ipswich, West Suffolk and Colchester hospitals losing their emergency stroke care, while keeping rehabilitation services.
NHS Midlands & East said no decisions have yet been made.
The NHS is considering three options as part of an England-wide Stroke Review - all of which would see an emergency HASU at Addenbrooke's in Cambridge.
One would be having an HASU at Colchester Hospital, but only providing rehabilitation treatment at Ipswich and West Suffolk.
The second would be having an Ipswich HASU, but not Colchester or West Suffolk.
The third would be providing HASU services at Ipswich and Colchester, but not West Suffolk.
The senior health service source in Suffolk said: "It's vital Ipswich keeps its HASU open, otherwise patients in west and coastal Suffolk would face longer journey times, which may delay 'clot-busting' treatments which are needed in 10% of cases.
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Stroke services 'vital' to Ipswich