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Five times as many patients in Wales are waiting more than a year for surgery compared to four years ago, the Royal College of Surgeons has said.

An RCS Freedom of Information request showed more than 3,600 patients had waited more than 12 months in March, compared to almost 700 in March 2013.

Tim Havard, its regional director, described the steep increase as "very worrying".

The head of the Welsh NHS said missing waiting targets was "unacceptable".

The RCS pointed to the progress in reducing both 26 and 36 week waiting times for surgery in recent years but said overall waits were "too long".

Trauma and orthopaedics surgery have the longest waiting times but there were declines in waiting times for specialities such as urology and cardiology.

In England, just 1,302 patients waited longer than a year for treatment in March.

Image caption Pictured three years ago - Graham Dunlop as a judo instructor

Graham Dunlop, 49, from Abergavenny has been waiting nine months and was given an 85-week estimate to remove a cyst from his spine.

He had been used to leading an active lifestyle as a black belt judo instructor and a keen cyclist, but waiting for surgery and debilitating pain has had a major impact on his life.

"You get to be a bit of a wreck," he said. "You have good days and bad days. It certainly can't go on until this 85-week deadline. If it goes on until that time, the amount of painkillers I'll be on by then, I'll be an absolute zombie."

Mr Dunlop says he feels he is a "burden on his family".

Having been unable to work as a mortgage advisor since December, he is concerned he will lose his home.

Media playback is unsupported on your device Media caption Graham Dunlop says his life is on hold while he waits for spinal surgery

He said the 85-week estimate was "open-ended and woolly".

He contacted his local Conservative AM Nick Ramsay, who wrote to the health board and the Public Services Ombudsman.

Last Friday, he was given a provisional date in October for surgery.

Aneurin Bevan University Health Board has offered its apologies for the "anxiety and distress Mr Dunlop was experiencing".

It said there had been an increased demand for orthopaedic surgery, despite measures taken each year to increase capacity. An additional spinal surgeon joined this summer.

Angela Burns AM, Welsh Conservative Shadow Health Secretary, added: "The knock-on effect of allowing people to languish on a long-term waiting list is that the NHS has to pay for their long-term care.

"Cases such as Mr Dunlop's are a reminder to Labour politicians of the human cost of their failure to implement a long-term recruitment strategy."

Media playback is unsupported on your device Media caption Tim Havard, director of the Royal College of Surgeons in Wales, says there are no quick fixes

Mr Havard, a consultant general surgeon, said the increase in the longest waits was "disappointing" and further evidence of pressure on the NHS.

He called for a "renewed focus" from NHS Wales and the Welsh Government to help decrease waiting times.

The RCS wants better provision of out-of-hospital services and more protection of beds used for planned surgery.

"Long waits for surgery can be traumatising for patients and their families," he said.

"A patient's condition can also deteriorate the longer they are made to wait for treatment, meaning the eventual outcomes are not as good as they could have been."

He said wards were being filled with patients who should be treated in the community.

Abertawe Bro Morgannwg health board - which has seen a sharp rise since 2014 - said referrals for orthopaedic surgery, such as hip and knee replacements, had shot up 88%, from 18,000 to 34,000.

Betsi Cadwaladr health board stressed that 84% of patients were waiting fewer than six months to start their treatment.

Media playback is unsupported on your device Media caption Performance against waiting targets has improved, says Welsh NHS chief Andrew Goodall

Welsh NHS chief executive Andrew Goodall said he expected health boards to bring in patients for operations if they had been waiting too long.

He said an extra investment of £50m announced by the Welsh Government earlier in August would help target those waiting the longest.

"Where people are waiting too long, I absolutely expect that health boards should be bringing them in for operations, improving their local services for access and they should be demonstrating to local populations they can improve them," Mr Goodall said.

"We are telling all of the health boards it is unacceptable to have waiting times that are beyond targets and we expect them to recover and improve their positions."