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Seeing the same doctor each time may improve outcomes

Lead author Dr. João Delgado and his team recently published the results of their study on dementia care in the British Journal of General Practice.

The researchers analyzed data from 9,324 people with dementia in a retrospective year-long follow-up study.

The aim was to determine whether a higher continuity of care resulted in better health outcomes and fewer cases of “potentially inappropriate prescribing.”

Potentially inappropriate prescribing can be definedTrusted Source as “prescriptions that introduce a significant risk of an adverse drug-related event when there is evidence for an equally or more effective alternative medication.”

Continuity in healthcare

People with dementia often have additional health problems, called “comorbidities,” that can complicate their care and require more complex treatment plans.

According to the authors of the new study, high continuity of care typically results in good relationships between doctors and the people they treat. This fosters good care, more accountability, and an increased sense of responsibility in the doctor.

Conversely, as the authors explain, “Lower continuity of care is associated with poorer medication management and worse health outcomes, including increased mortality.”

However, to date, there has been limited research into the effects of continuity of care for people with dementia. The current study goes some way toward filling that gap.

The importance of continuity

Having comorbidities increases the risk of adverse health outcomes caused by multiple drug interactions.

The participants in the study had, on average, 14.5 consultations with a doctor in 1 year.

The authors found that participants with a high continuity of care were less likely to face “extreme polypharmacy” — 10 or more prescriptions. They were also less likely to receive medications that could interfere with other drugs or otherwise worsen their symptoms.

For example, in the high continuity group, doctors were less likely to prescribe benzodiazepines, a class of drug that causes drowsiness, to people at risk of falling. This group was also less likely to receive drugs that cause constipation — a health issue that increases the riskTrusted Source of delirium in older adults.

As another example, participants in the high continuity group with urinary incontinence and high blood pressure were less likely to receive loop diuretics as a high blood pressure treatment. As the authors note, these diuretics “can exacerbate incontinence symptoms.”

Beyond the crucial importance of quality patient care, improving care for people with dementia would have significant financial benefits.

Conditions such as delirium and episodes of severe confusion are common in people with dementia and require additional hospital resources.

Overall, the study showed that people in the highest quartile — those who had the highest continuity of care — were 34.8% less likely to develop delirium, 57.9% less likely to experience incontinence, and 9.7% less likely to require emergency hospitalization than people in the lowest quartile of continuity of care.

Other measures of continuity, such as the dispersion of doctors seen and the number of sequential consultations with the same doctor, led to similar benefits. But the researchers did not observe the escalation of effect with each successive quartile that they did with their the main measure of continuity.

Study limitations

Dr. Delgado spoke with Medical News Today about some of the study’s limitations:

“The observational nature of this study provides data on statistical associations but cannot indicate causation. This study has, nonetheless, produced robust analyses, including adjustment for 14 chronic comorbidities, frailty, and use of health services.”

“Finally, the number of [potentially inappropriate prescribing] criteria available means associations with continuity of care may be affected by false discovery rates, and additional studies are required to reproduce these findings,” he added.

Pandemic inhibits continuity of care

MNT also spoke with the director of clinical services at Dementia UK, Paul Edwards, who explained:

“[Doctors] are undoubtedly facing undeniable pressure as they and other primary care services continue to be overstretched in the wake of COVID-19. [Doctors] often have limited time to treat and diagnose dementia as well as attend to other health issues families may be facing. This means families with dementia miss out on the care and support they urgently need.”

“It is refreshing to see a study provide objective evidence to support the well-recognized benefits of continuity of care,” Dr. Ian Neel, an associate clinical professor of medicine at the University of California, San Diego, who was not involved in the study, told MNT.

“As people age and develop increasing burden of disease, they [unwittingly] place themselves at risk of increasingly fragmented care delivered by subspecialists looking at individual problems rather than the person as a whole,” Dr. Neel continued, adding, “This can lead to suboptimal prescribing patterns and place the person at risk of harm.”

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