The variety of sufferers ready greater than 9 months for hospital remedy throughout north Wales ought to halve by March, the well being secretary has mentioned.
Vaughan Gething’s bold prediction comes amid rising concern about larger than common ready occasions at Wales’ largest well being board, Betsi Cadwaladr.
Betsi is in particular measures and faces a £36m deficit this monetary yr.
The well being board mentioned demand had outstripped capability in some areas leading to lengthy ready occasions.
The most recent referral to remedy 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 have been saved ready that lengthy in Cardiff and Vale.
However for the primary time in north Wales, greater than 11% have 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 best state of intervention by the Welsh Authorities, for two-and-a-half years.
Mr Gething famous enchancment in areas similar to maternity and the effectiveness of the board, however mentioned 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 inside the well being board itself but additionally additional capability exterior of north Wales too,” he advised BBC Wales.
“Individuals in north Wales are used to travelling to centres simply exterior the north Wales space but it surely comes on the again of an unacceptable enhance within the variety of individuals ready too lengthy for remedy.”
A Welsh Authorities spokesman mentioned with an additional £13m in direction of ready lists, the well being board believed it may cut back the numbers ready greater than 9 months from eight,982 to four,237.
A paper that went to Betsi’s board final month mentioned it “is likely one of the greatest performing organisations in Wales” in areas similar to most cancers ready occasions and diagnostic ready occasions.
It added: “Nonetheless, we have now a lot of specialties the place demand has outstripped capability with ensuing lengthy ready occasions.”
It mentioned additional funding from the Welsh Authorities may additionally ship a 50% minimize for these ready greater than a yr, whereas no affected person would wait greater than two months for diagnostics and there could be a most two-week await remedy by the tip of March.
A Betsi spokesman added: “These plans are underway and on monitor to ship.”
Welsh Conservatives’ well being spokeswoman Angela Burns mentioned: “We welcome the cupboard secretary’s ambition, and for the sake of desperately in poor health 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 mentioned: “I’m extra fascinated by outcomes than predictions, particularly as we have heard too many empty guarantees prior to now.
“A few of my constituents are ready over 100 weeks for pressing orthopaedic surgical procedure, for instance – that is the size of the problem.”