“At a time of year when hospitals are always under pressure caring for a spike in winter emergencies, it’s really selfish to get so blotto that you end up in an ambulance or an A&E,” he said.“More than a third of A&E attendances at peak times are caused by drunkenness – casualty nurses and doctors are understandably frustrated about the NHS being used as a national hangover service,” he added. The OECD figures show UK has the highest of all cocaine use among those aged between 15 and 34.In total, 4.2 per cent of such adults have taken the drug in the UK – more than twice the 1.9 per cent average.The number of Britons taking the drug has increased since the last time the international research was done in 2013, when Britain was second worst in the league tables for cocaine, with 3.3 per cent of young adults now using it.Britain has the third highest rates of Ecstasy use, with 3.5 per cent of those aged between 15 and 34 taking the drug in the previous year, compared with an OECD average of 1.7 per cent.The UK figure is a sharp rise from the 2.4 per cent recorded in 2013. Taj Hassan, president of the Royal College of Emergency Medicine welcomed the intervention by Mr Stevens, and urged those enjoying a night out to take more responsibility. “Emergency departments in this country are facing enormous pressures with the workload that we have, so the fact that we end up end up with unfortunate patients who have decided to become intoxicated to extremes and burden the NHS with even more work is very regrettable,” he said. “We all want people to enjoy themselves but they do have to take responsibility.”Joanna Simons, Chief Executive of Alcohol Concern, called for stronger measures to tackle problem drinking.“Underage drinking is not only bad for the health of young people but it can leave them vulnerable and at risk from all sorts of harm.“To get to grips with these issues we need the Government to get tough on alcohol sponsorship and introduce a minimum unit price, a targeted measure designed to protect the youngest and most vulnerable drinkers,” she said. Underage drinking is not only bad for the health of young people but it can leave them vulnerable and at risk from all sorts of harm.Joanna Simons, chief executive of Alcohol Concern Simon Stevens said the NHS was being used as a national hangover service Credit:PA He issued the warning as casualty staff and ambulance crews were braced for New Year’s carnage, with drink-related admissions to hospitals expected to double tomorrow.Figures comparing 26 countries show British girls are among the most likely to have been repeatedly drunk by the age of 15, with only Denmark and Hungary faring worse. Show more And Britain’s STD rates are among the worst in the western world. The UK has the highest rates of gonorrhoea – 59.7 cases per 100,000 people compared with an OECD average of 20 per 100,000, and is in the worst six for chlamydia and syphilis.Experts are particularly concerned about the rates of chlamydia – 367 cases per 100,000 people, compared with OECD average of 187 per 100,000 – as the disease can threaten future fertility.Meanwhile, rates of syphilis at 7.2 per 100,000 compared with an OECD average of 5.1 per 100,000.Mr Stevens said too many young people were ignoring such risks.”In your 20s you feel immortal, but that doesn’t mean you’re invincible. Young free and single is great, but infections are on the rise, so the NHS advice is ‘open your eyes to STIs,” he said. Show more The NHS chief executive said the behaviour of binge-drinkers during the festive season was placing strain on health service resources.”In our towns and cities this Christmas and New Year, the paramedic called to a drunk partygoer passed out on the pavement is an ambulance crew obviously not then available for a genuine medical emergency,” he said.The figures from the Organisation for Economic Co-operation and Development paint a picture of party lifestyles, hedonism and promiscuity.British girls had one of the worst records for drunkenness, with significantly more binge drinking than boys of the same age.In total, 33 per cent of British girls aged 15 have been drunk at least twice, compared with an OECD average of 24 per cent. Among boys the figure was 28 per cent, one percentage point higher than the average.Separate analysis of NHS data by healthcare analysts Dr Foster shows that drink-related admissions for acute intoxication peak on New Year’s Day – with 2.6 times as many cases as on the average day. The NHS is being put under intolerable strain by “selfish” partygoers getting “blotto”, the head of the health service has warned.Simon Stevens said the NHS was being treated as the “National Hangover Service” as international research found Britain has one of the worst records for binge drinking, drug taking and sexually transmitted diseases.The NHS chief executive said services already under heavy pressure were being compromised by those hell bent on hard living. The UK is also the worst country in the West for cocaine usage, with the highest levels of some sexually transmitted infections (STIs) the figures from the OECD show.Last night Mr Stevens said the self-centred antics of party goers were diverting healthcare staff from those in need of urgent attention. Show more At a time of year when hospitals are always under pressure, it’s really selfish to get so blotto that you end up in an ambulance or an A&ESimon Stevens, NHS chief executive Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.