Stretched A&E departments in Huddersfield and Calderdale have hit their NHS emergency care targets for the first time in six months.

But hospital chiefs have warned that repeat successes are unlikely while they run two A&E departments – and admissions continue at their current rates.

Emergency departments at HRI and Calderdale Royal Hospital, Halifax, receive up to 450 patients a day and sometimes 20 new patients arrive within an hour.

Under the NHS Emergency Care Standard, hospital trusts must treat and discharge, or admit to other departments, 95% of patients within four hours of their arrival at A&E.

And Calderdale and Huddersfield Foundation Trust, which runs HRI and CRH, has missed this target for six months – despite being one of England’s better performing hospital trusts.

However, the trust scraped through in June, treating and discharging or admitting 95.07% of patients within four hours.

After treating 95.3% of A&E patients within the target time in December 2015, the trust failed to hit its target with performance dipping to 89.3% in March.

And hospital bosses have warned that repeat successes are unlikely while the trust, which has struggled to recruit and retain A&E doctors, is running emergency departments simultaneously at HRI and Calderdale Royal Hospital (CRH).

Trust Chief Operating Officer, Helen Barker, said: “A&E attendances remained high, probably at ‘winter’ levels.

“That’s not unusual and it’s replicated across Yorkshire.

“95% for July is looking extremely challenging.

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“There were only a few days in July when A&E attendances dipped below 400 attendances per day. It’s been 450 on many days.

“We have had surges when 20 patients are booking in within an hour.

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“Because we’re running two A&Es performance is not as good.”

Under the controversial Right Care Right Time Right Place proposal, Huddersfield A&E would close and emergency care would be centralised at CRH.

The plan has drawn criticism and led to campaigns, including the high-profile #HandsOffHRI, which hopes to derail the plan.