Claire Dawson
Overuse in hospitals is a pervasive phenomenon, impacting a range of services and resulting in higher healthcare costs without any health benefit. It is defined as the provision of medical services that are more likely to cause harm than good, and can be seen in the form of unnecessary treatments, tests, and procedures that can lead to adverse effects, false-positive results, and psychological harm. This issue is not limited to a specific country or economic status, as it has been observed in both high-income and low-income countries, as well as in emerging economies. To address overuse, it is important to shift the focus from individual episodes to systematic overuse, which involves evaluating the impact of interventions across entire health systems. This includes implementing accountable care organizations, developing quality indicators, and addressing cultural and systemic drivers that reinforce overutilisation.
| Characteristics | Values |
|---|---|
| Definition | Overuse is defined as the provision of medical services that are more likely to cause harm than good. |
| Impact | Overuse impacts a range of services, leading to higher healthcare costs, poor health outcomes, and psychological harm. |
| Measurement | Measuring systematic overuse, rather than individual procedures, provides a global perspective. Indirect measurement can be done through geographical variations in procedure prevalence and care intensity. |
| Examples | Antibiotic overuse, unnecessary screening, invasive procedures, and hospitalizations for ambulatory care-sensitive conditions. |
| Contributing Factors | Physician culture, fee-for-service payment systems, direct-to-consumer advertising, and patient beliefs contribute to overuse. |
| Initiatives | Mandated antimicrobial stewardship, appropriateness criteria for imaging, initiatives to reduce radiation exposure, and high-value care committees. |
| Health System Characteristics | Integrated healthcare systems, commitment to high-value care, teaching hospitals, and PCP density are associated with lower overuse. |
| Tools | The Overuse Index (OI) is a tool to monitor health system performance and evaluate interventions over time. |
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What You'll Learn
Measuring overuse: direct vs. indirect methods
Overuse in healthcare is a pervasive issue that leads to direct and indirect harm to patients. It is defined as the provision of medical services where the potential for harm outweighs the potential for benefit. Despite being a well-known concept in medicine, it remains challenging to measure due to its subjective nature. The measurement of overuse can be approached through direct or indirect methods, each with its own advantages and applications.
Direct methods involve explicitly defining and quantifying appropriate care. This can be achieved by creating a portfolio of procedures and analysing their usage patterns. For example, the Choosing Wisely Campaign created a portfolio of procedures to identify systematic overuse by examining Medicare claims at the hospital referral region level. Direct methods, such as the standard gamble and time trade-off, tend to yield higher health ratings and utility values compared to indirect methods. They provide a more accurate measurement of overuse by focusing on specific procedures and their appropriateness rather than broad utilisation rates.
Indirect methods, on the other hand, identify overuse by observing unexpected variations in healthcare utilisation. This approach does not rely on a definition of appropriate care but instead looks for patterns that deviate from the norm. For instance, unexpectedly high rates of using a particular service can indicate probable overuse. Indirect methods, such as studies of geographic variation, suggest that overuse is more widespread than indicated by direct measurements alone. They capture a broader perspective by considering entire health systems and markets, allowing for the identification of systematic overuse across multiple procedures and settings.
Both direct and indirect methods have their advantages and limitations. Direct methods provide a more precise measurement of overuse for specific procedures, while indirect methods offer a broader perspective on systematic overuse across healthcare systems. Combining these approaches can lead to a more comprehensive understanding of overuse. For instance, while direct methods may identify overuse in a specific procedure, indirect methods can reveal the underlying systemic issues contributing to that overuse.
In conclusion, measuring overuse in hospitals is a complex task that requires a range of approaches. Direct methods provide a clear definition of appropriate care and focus on specific procedures, while indirect methods capture systemic patterns and deviations. By utilising both methods and addressing the challenges in defining accurate measures, healthcare providers, researchers, and policymakers can gain valuable insights into curbing overuse and improving patient outcomes.
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The impact of overuse on patient safety
Overuse in hospitals is a pervasive phenomenon that impacts a range of services and procedures, resulting in higher healthcare costs and negative health outcomes for patients. This issue has been recognised as a patient safety problem, with potential harm caused by complications, excess diagnoses, unnecessary treatments, and invasive procedures.
Secondly, overuse contributes to indirect harm by creating a "more to do" culture, increasing the risk of mistakes and adverse events. This culture can result from a physician's perception of thoroughness, a fee-for-service payment system, and direct-to-consumer pharmaceutical advertising. Patients' beliefs that ""more care must be better"" can also contribute to overuse.
Furthermore, overuse has financial implications for patients and healthcare systems. While overuse increases costs, it does not provide any health benefits. This inefficient utilisation of resources can hinder appropriate care and negatively impact overall system efficiency.
Addressing overuse requires collective efforts from clinicians and systemic transformations. By recognising overuse as a patient safety issue, clinicians can be motivated to prioritise harm reduction over financial considerations. Developing quality measures, indicators, and payment reforms can also help curb overuse and improve patient safety.
In conclusion, the impact of overuse in hospitals extends beyond financial concerns and significantly affects patient safety. It leads to direct and indirect harm, negatively impacts patients' quality of life, and reduces trust in healthcare systems. By recognising the magnitude of the problem and implementing systemic changes, patient safety can be improved, and harmful overuse can be reduced.
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Systemic causes of overuse
Secondly, direct-to-consumer pharmaceutical advertising and patient beliefs can contribute to overuse. Patients often believe that "more care must be better", leading to requests for unnecessary treatments. This is particularly true in intensive care units, where patients often undergo more tests and procedures, despite expressing a preference for dying at home.
Thirdly, systemic issues such as production pressures and market characteristics can lead to overuse. For example, the supply of services, competition, and managed care penetration may contribute to overuse. Additionally, a defective system operating at a faster pace can increase mistakes and harm patients.
Finally, overuse can be caused by a lack of appropriate alternatives, as seen with antibiotic overuse, where patients use "leftover" antibiotics due to a lack of access to new ones. This can be addressed through antimicrobial stewardship programs and initiatives to reduce unnecessary radiation exposure, for instance. Addressing overuse requires systemic transformations and a focus on curbing inappropriate care.
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Overuse in specific hospital departments
Overuse in hospitals is a pervasive phenomenon that impacts a range of services and procedures across different clinical areas and settings. While it is a complex and obscure concept, it is associated with higher healthcare costs and negative health outcomes, including poor health outcomes. Overuse is distinct from geographic variation in utilization, as it specifically focuses on the inappropriate commission of services rather than the volume of services provided.
When evaluating for overuse in specific hospital departments, it is essential to consider the unique characteristics and practices of each department. Here are some examples of how overuse may manifest in different hospital departments:
Emergency Department
The emergency department is a high-pressure environment where rapid decision-making is crucial. Overuse in this setting may involve the over-triaging of patients, leading to unnecessary admissions or investigations. For example, a patient with a minor injury may be admitted for observation due to concerns about potential complications, even though they could have been safely discharged with follow-up care.
Intensive Care Unit
The intensive care unit (ICU) is designed for critically ill patients who require advanced monitoring and support. Overuse in the ICU may involve the aggressive pursuit of invasive procedures and treatments that prolong life but do not align with a patient's preferences or improve their quality of life. For instance, a patient with a terminal illness may undergo multiple invasive procedures despite expressing their wish for comfort-focused care.
Medical Imaging Department
Medical imaging, such as X-rays, CT scans, and MRIs, plays a crucial role in diagnosis and treatment planning. Overuse in this department may involve ordering redundant or unnecessary scans, exposing patients to excessive radiation and potential false-positive results, which can lead to further invasive procedures and psychological distress.
Pharmacy Department
The pharmacy department is responsible for medication management and dispensing. Overuse in this context may involve the over-prescription of medications, particularly antibiotics, which can contribute to antibiotic resistance and adverse drug events. Additionally, direct-to-consumer pharmaceutical advertising may influence patient expectations, leading to requests for specific medications that may not be the most appropriate or cost-effective option.
Laboratory Services
Laboratory services, including blood tests and microbiology cultures, are essential for diagnosis and monitoring. Overuse in this department may involve unnecessary or repetitive testing, which not only incurs unnecessary costs but also delays in reporting critical results, potentially impacting patient care.
Addressing overuse in specific hospital departments requires a multi-faceted approach, including the development of evidence-based guidelines, clinician education, and systemic transformations that prioritize patient-centred care and quality improvement interventions.
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Strategies to reduce overuse
To reduce overuse, it is important to address the underlying drivers. For example, a physician culture that rewards perceived thoroughness and a fee-for-service payment system that encourages overuse. Efforts to reduce overuse should focus on changing the culture and incentives within the healthcare system. This includes promoting a more conservative approach to testing and treatment, as well as implementing payment reforms such as bundled payments for episodes of care.
Additionally, the development of quality indicators and measurements of overuse is crucial. This can help identify areas of improvement and track progress over time. For example, the Choosing Wisely Campaign has created a portfolio of procedures to identify systematic overuse, and the American College of Radiology has established appropriateness criteria for medical imaging. By implementing and adhering to such standards, hospitals can reduce overuse and improve patient care.
Integrated healthcare delivery systems and health systems committed to high-value care have been associated with lower overuse rates. Teaching hospitals and higher densities of primary care physicians (PCPs) have also shown lower overuse rates. By focusing on value-based care and utilising tools like the Overuse Index (OI), hospitals can identify areas of improvement and reduce unnecessary services.
Furthermore, addressing specific areas of overuse, such as antibiotic overuse, is essential. Mandated antimicrobial stewardship programs and initiatives to reduce unnecessary radiation exposure can help curb overuse and improve patient safety. Hospitals can form committees or working groups dedicated to identifying and reducing wasteful practices, ensuring that treatments are evidence-based, and developing guidelines for appropriate care.
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Frequently asked questions
Overuse in hospitals refers to the provision of medical services that are more likely to cause harm than good. It is a pervasive problem that can lead to negative consequences for patients, including physical and psychological harm, as well as wasting resources and deflecting investments in public health and social spending.
The harms of overuse in hospitals can be seen in increased worry, pain, and restricted activity days for patients, with no improvement in functional status. It can also lead to complications, excess diagnoses, additional treatments, and ultimately, mistakes and adverse events. Overuse can also result in false-positive test results, which can have long-lasting psychological impacts and lead to further unnecessary procedures.
Measuring overuse in hospitals can be challenging due to the difficulty of defining appropriate care for individual patients. However, it can be measured indirectly by examining unwarranted geographical variations in the prevalence of procedures and care intensity. Additionally, the usage of a portfolio of procedures or "bellwether" procedures can indicate systematic overuse.
Examples of overuse in hospitals include unnecessary physical isolation of patients, leading to loneliness and depression; over-prescription of antibiotics; and excessive testing, such as preoperative chest X-rays and MRIs for low back pain.
