The variety of sufferers ready greater than 9 months for hospital therapy throughout north Wales ought to halve by March, the well being secretary has stated.
Vaughan Gething’s formidable prediction comes amid rising concern about greater than common ready occasions at Wales’ largest well being board, Betsi Cadwaladr.
Betsi is in particular measures and faces a £36m deficit this monetary 12 months.
The well being board stated demand had outstripped capability in some areas leading to lengthy ready occasions.
The most recent referral to therapy figures for September confirmed 9% of sufferers waited longer than 9 months, greater than double the Welsh common of four.four%.
By comparability, 1.2% of sufferers had been saved ready that lengthy in Cardiff and Vale.
However for the primary time in north Wales, greater than 11% had been saved ready between six and 9 months and the proportion of these handled inside six months dipped under 80%.
Betsi has been in particular measures, the very best state of intervention by the Welsh Authorities, for two-and-a-half years.
Mr Gething famous enchancment in areas akin to maternity and the effectiveness of the board, however stated he had been dissatisfied by the escalation of efficiency and monetary issues over the previous six months.
“These are plans the well being board has submitted with each extra capability throughout the well being board itself but additionally additional capability exterior of north Wales too,” he advised BBC Wales.
“Folks in north Wales are used to travelling to centres simply exterior the north Wales space nevertheless it comes on the again of an unacceptable enhance within the variety of individuals ready too lengthy for therapy.”
A Welsh Authorities spokesman stated with an additional £13m in the direction of ready lists, the well being board believed it might scale back the numbers ready greater than 9 months from eight,982 to four,237.
A paper that went to Betsi’s board final month stated it “is without doubt one of the finest performing organisations in Wales” in areas akin to most cancers ready occasions and diagnostic ready occasions.
It added: “Nonetheless, we’ve a lot of specialties the place demand has outstripped capability with ensuing lengthy ready occasions.”
It stated additional funding from the Welsh Authorities might additionally ship a 50% lower for these ready greater than a 12 months, whereas no affected person would wait greater than two months for diagnostics and there could be a most two-week look ahead to remedy by the tip of March.
A Betsi spokesman added: “These plans are underway and on observe to ship.”
Welsh Conservatives’ well being spokeswoman Angela Burns stated: “We welcome the cupboard secretary’s ambition, and for the sake of desperately unwell sufferers we sincerely hope that he’ll meet his goal.
“However… it’s tough to see how he’ll handle this with out neglecting different areas of care.”
Plaid Cymru’s well being spokesman Rhun ap Iorwerth stated: “I’m extra focused on outcomes than predictions, particularly as we have heard too many empty guarantees previously.
“A few of my constituents are ready over 100 weeks for pressing orthopaedic surgical procedure, for instance – that is the size of the problem.”