
Hospital readmissions are a critical issue in healthcare, impacting patient outcomes and healthcare costs. Patients are at the highest risk of readmission immediately following discharge, often due to challenges with new medication routines, lifestyle changes, and follow-up care. Various factors contribute to readmissions, including clinical and demographic risks, complications during hospitalization, therapeutic errors, inadequate communication, and social determinants of health. Understanding these root causes is essential for developing effective reduction strategies, such as improved patient education, care coordination, and addressing social and economic circumstances. Medicare's Hospital Readmissions Reduction Program aims to reduce readmissions within 30 days of discharge by incentivizing hospitals to enhance communication and care coordination. Research has identified multiple risk factors for readmission, including comorbidities, medication use, length of initial stay, and discharge processes. Addressing these factors is crucial for improving patient care and reducing healthcare costs associated with readmissions.
| Characteristics | Values |
|---|---|
| Clinical factors | High-risk medication use, multiple chronic conditions, specific diseases |
| Demographic/logistical factors | Race, low health literacy, limited social network, lower socioeconomic status, prior hospitalization, discharge against medical advice |
| Complications in the hospital | Nosocomial infections, pressure ulcers, falls, procedure complications |
| Therapeutic errors | Medication reconciliation errors, improper dosages, incorrect frequency of medications |
| Inadequate communication and coordination | Poor communication between healthcare providers, insufficient care coordination, lack of a clear transition plan |
| Lack of patient education | Non-compliance with treatment plans and follow-up care |
| Social determinants of health | Transportation issues, food insecurity, housing instability |
| Discharge process | Poor discharge planning, lack of early identification of high-risk patients |
| Patient characteristics | Multiple health conditions, uninsured, lack of support systems, low literacy |
| Length of initial hospital stay | Longer stays increase the risk of readmission |
| Day of discharge | Patients discharged on Fridays have higher odds of readmission |
| Type of unit | Patients discharged from surgical units have higher odds of readmission |
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What You'll Learn

Clinical and demographic risk factors
One notable clinical factor is medication-related issues. Newly prescribed medications or changes in dosage during or after discharge can lead to adverse drug events, increasing the likelihood of readmission. Polypharmacy, or the use of multiple medications, is also a risk factor that requires careful management. The severity of certain conditions, such as congestive heart failure, and procedures like amputation, are associated with higher readmission rates. Patients with conditions that have high complication rates, such as infections around surgical wounds or the recurrence of COPD symptoms, are more likely to be readmitted.
Demographically, studies have shown that a 78-year-old African American man with Medicare insurance and a history of congestive heart failure and diabetes mellitus is more likely to be readmitted within 30 days. Other demographic factors, such as race and insurance status, also play a role in readmission rates. However, the underlying causes of these demographic differences are not always clear, and hospitals are encouraged to address these at-risk populations.
Furthermore, social determinants of health, including transportation issues, food insecurity, and housing instability, can influence the risk of readmission. These factors highlight the importance of addressing not only clinical aspects but also the social and environmental circumstances that may impact a patient's recovery and likelihood of readmission.
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Complications during hospitalisation
Clinical complications include the development of nosocomial infections, pressure ulcers, and procedure complications. For instance, patients undergoing surgery may face a heightened risk of infection or experience post-operative issues that necessitate readmission. Additionally, therapeutic errors, such as medication reconciliation mistakes, can lead to improper medication dosages or frequencies, prompting early readmission. Adverse events related to medication are estimated to occur in about 20% of patients after discharge, many of which could be prevented or mitigated.
Demographic and logistical factors also play a role in readmission rates. For example, patients from lower socioeconomic backgrounds may struggle with transportation issues, food insecurity, or housing instability, increasing the likelihood of readmission. Furthermore, a lack of social support systems or low health literacy can contribute to readmission risks. Patients who don't fully understand their conditions or the importance of their treatments may struggle to comply with discharge instructions and follow-up care plans, inadvertently increasing their chances of readmission.
To reduce the risk of readmission, hospitals should focus on patient education, ensuring that patients comprehend their conditions and the rationale behind their treatments. Additionally, addressing social determinants of health and improving care coordination can help mitigate readmission rates and improve patient outcomes. By adopting a holistic and patient-centred approach, healthcare institutions can make significant strides in reducing readmissions and enhancing the efficiency of the healthcare system as a whole.
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Therapeutic errors
Medication errors can occur at various stages of the medication process, including prescribing errors, transition errors, and non-adherence. Prescribing errors may involve dosing or therapeutic errors, such as prescribing a medication that is inappropriate for a patient's clinical condition. Transition errors refer to insufficient communication about medication changes to the patient and/or the next healthcare provider. Non-adherence occurs when patients do not take the medication as prescribed.
In addition to medication errors, inadequate handoffs and poor information transfer between healthcare providers can also contribute to readmissions. This includes issues such as medication adjustments, pending tests, follow-up plans, and referrals, which can lead to confusion and errors in patient care. Newly prescribed medications or altered dosages during or after hospital discharge can also increase the risk of adverse drug events and prompt readmissions.
To reduce therapeutic errors and readmissions, it is crucial to improve communication and coordination among healthcare providers and ensure clear and accurate information transfer during patient handoffs. Additionally, providing comprehensive patient education can empower patients to better understand their conditions and manage their medications effectively, reducing the likelihood of non-adherence and subsequent readmissions.
Furthermore, addressing social determinants of health, such as transportation issues, food insecurity, and housing instability, can also play a role in reducing readmissions. By considering patients' social and economic circumstances, healthcare providers can help patients overcome barriers to adhering to treatment recommendations and improve overall health outcomes.
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Inadequate communication and coordination
One issue is the timely receipt of discharge summaries by aftercare providers. In some cases, only a small percentage of discharge summaries are received by aftercare providers before the patient's first appointment, and these summaries may contain errors or omissions regarding medication adjustments, pending tests, or follow-up plans. This lack of coordination can lead to adverse drug events, delayed care, and increased risk of readmission.
Cultural and physical barriers can also impede effective communication. Hospitals need to address these barriers to ensure that patients and their families understand self-care instructions and can access necessary resources, such as transportation to the pharmacy. Social determinants of health, including food insecurity and housing instability, can also influence readmission rates, and addressing these factors through improved communication and coordination can help reduce readmissions.
To enhance communication and coordination, hospitals can implement strategies such as providing patient education, improving discharge planning, and offering follow-up support through phone lines or nurse consultations. These initiatives empower patients and caregivers to actively engage in discharge plans and make the necessary lifestyle changes to reduce the risk of readmission.
Additionally, involving pharmacists in patient care can improve medication management and reduce medication-related issues, which are significant contributors to readmissions. By visiting patient rooms, pharmacists can provide extra instruction about high-risk conditions and drug treatments, ensuring that patients understand their medication regimens and reducing the likelihood of adverse drug events.
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Lack of patient education
Furthermore, patients who do not comprehend the importance of their treatments or do not take them seriously may ignore their discharge instructions. This can include not following medication directions, not making recommended lifestyle changes, or not attending follow-up appointments, all of which can increase the risk of hospital readmission. It is crucial for patients to understand the rationale behind their treatment plans and to adhere to them to reduce the likelihood of readmission.
In addition, inadequate patient education can be a result of poor communication between healthcare providers and patients. Language barriers or insufficient care coordination can lead to misinformation, leaving patients confused about their conditions and treatment protocols. This, in turn, can result in non-compliance with treatment plans and an increased risk of hospital readmission. Therefore, improving communication and care coordination is essential to reducing avoidable readmissions.
To address this issue, hospitals can implement strategies that focus on patient education and engagement. For example, the Hospital Readmissions Reduction Program (HRRP) aims to improve communication and care coordination to better involve patients and caregivers in discharge plans. This includes providing clear instructions, educating patients about their conditions, and offering support services to help patients successfully transition from the hospital to their homes. By empowering patients with knowledge and resources, hospitals can reduce the risk of readmission and improve patient outcomes.
Moreover, social determinants of health, such as transportation issues, food insecurity, and housing instability, can also impact a patient's ability to follow treatment recommendations and increase the risk of readmission. Therefore, a holistic approach that considers the multifaceted factors contributing to readmission is necessary to effectively reduce readmission rates and improve the overall efficiency of the healthcare system.
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Frequently asked questions
Risk factors for hospital readmission can be clinical, such as high-risk medication use, multiple chronic conditions, and specific diseases, or demographic/logistical, such as prior hospitalization, race, low health literacy, limited social network, lower socioeconomic status, and discharge against medical advice.
The Hospital Readmissions Reduction Program is a Medicare value-based purchasing program that encourages hospitals to improve communication and care coordination to better engage patients and caregivers in discharge plans and reduce avoidable readmissions.
Strategies to reduce hospital readmissions include improving patient education, care coordination, and addressing social determinants of health. Hospitals can also implement special pharmacy programs and follow-up phone calls to support patients after discharge.










































