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Improving the prescribing of opioid based analgesia at Springfield Medical Centre


Springfield Medical Centre, 384 Liverpool Road Eccles, Manchester, M30 8QD0161 871 2450https://www.springfield-medical-centre.co.uk

Springfield Medical Centre is a general practice with 10,000 patients in Eccles. The practice recently undertoook a successful project to improve prescribing of opioid based analgesia.

There is little evidence that opioids are helpful in long term pain, and the risk of harm increases significantly above 120mg morphine (or equivalent) per day, without much increase in benefit.

The practice identified all patients who were prescribed opiate based analgesia at daily doses greater than 120mg. In total, 35 patients were identified and we have spent the last 12 months reducing these doses down to below 120mg. So far, 29 of the patients have reduced below 120mg daily morphine (1 patient left the surgery, 1 died and 1 was removed due to unacceptable behaviour unrelated to reducing their opiates). The remaining 3 patients are all expected to reduce below 120mg in the next 3 months.

Lessons we have learned from the project

Potency of different opiates

As Clinicians, we had limited awareness of the different potency of some opiates, specifically Oxycodone and Fentanyl. Very high daily morphine doses were found in these groups (highest doses were 480mg daily morphine for Oxycodone and 404mg daily morphine for fentanyl). There were also a number of patients on more than 1 type of opiate.

High dose opioids per 1000 patients Team working

It was important that all clinicians were fully supportive of the project and felt confident enough to discuss reductions and not to give additional or early prescriptions.

Engagement

Patients were understandably reluctant to talk about their opiates and it took considerable effort to get these patients to engage with the surgery. Initially all of the patients were written to and invited in to talk about their prescriptions. After a 1 month interval, the majority of these patients were telephoned and invited in. We also put notes on each patient’s prescription and for patients who failed to respond to our attempts at contact, we gradually reduced down their prescription volume from 1 month to 2 weekly then finally to weekly until contact was made.

High dose opioids as percentage regaular opioidsPatient discussions

Each patient was given a specific appointment to talk exclusively about their opiates. Written information was offered to patients about the risks of high dose opiates and a discussion was had with each patient, ultimately informing them that the surgery needed to reduce their daily morphine dose down to below 120mg for safety reasons. Each patient was advised that their prescription was to be gradually reduced every 3 months. Some patients were initially very upset about talk of reducing their opiates but making it clear that we were not going to completely stop these medications and that we were only reducing doses down to safer recommended doses helped patients to engage. Each patient was offered a referral to the local pain management team and in those that were very anxious or upset, this offered confirmation and reassurance that a reduction was advised.

Monitoring of prescriptions

All of the patients chose to reduce their opiates using their current formulation of medication. All of the identified patients had their analgesia on their repeat medication lists limited to 1 month at a time with an interval lock to prevent early ordering. Each patient was aware that early medication requests would not be issued. One lead GP checked all of the 35 patients identified monthly to ensure reductions were happening. The next review date was written on each prescription next to the dose.

Follow up

The DNA rate for follow up appointments and for those choosing to attend the pain service was high. For some patients, we felt that patients used a referral to secondary care as a way of delaying the initiation of a reduction. Each of these DNAs was followed up on the telephone by the lead GP, who when required, reduced the strength of medications down. This reinforced that a reduction in strength of opiates was going to be continued as planned and encouraged the patients to be actively involved.

Impact on pain

Very few patients reported any increase in their pain. As doses were reduced, the majority of patients felt considerably better and were happy that their doses were reduced. A small number of patients chose to completely come off their opiates as the reductions highlighted how little analgesic benefit some patients were obtaining from their opiates.

Issues

Patients on fentanyl patches appeared to find their reductions the most challenging in part due to the wide range of predicted opiate dose with each patch and the limited patch strength.

Prevention

As a practice, we are now mindful of setting an upper dose with opiates in chronic pain and decline to increase doses above 120mg daily morphine. All patients who join the surgery on high doses of opiates are brought in for review and a gradual reduction in these doses discussed and implemented.

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