# Transitions of Care and Post-Acute Care Settings

## Introduction

Care transitions, defined as the movement of patients between healthcare practitioners, settings, or levels of care, represent the highest-risk period in the healthcare continuum. Twenty percent of hospitalized Medicare patients are readmitted within 30 days, and 12 percent of these readmissions are considered potentially preventable. Adverse events occur in 19 to 23 percent of patients within 3 to 5 weeks of hospital discharge, with 70 percent of these events being medication-related. The Hospital Readmissions Reduction Program, implemented by the Centers for Medicare and Medicaid Services, penalizes hospitals with excess readmissions for heart failure, myocardial infarction, pneumonia, COPD, hip and knee replacement, and coronary artery bypass grafting, creating both a quality imperative and a financial incentive for improving transitional care.

The vulnerability of patients during transitions stems from the convergence of communication failures between providers, medication errors introduced by changes in prescribing, and loss of continuity as patients move between care teams and settings. For elderly patients, these risks are amplified by cognitive impairment, polypharmacy, functional limitations, and limited health literacy, making the optimization of care transitions a central priority in geriatric medicine.

## Discharge Planning

### Hospital Discharge Assessment

Effective discharge planning begins well before the day of discharge and requires systematic assessment across multiple domains. Functional assessment determines whether the patient can perform the activities of daily living, transfers, and ambulation required at the intended discharge destination. Cognitive assessment evaluates the patient's capacity for medication self-management, recognition of danger signs, and adherence to the discharge care plan. Social assessment identifies the availability and adequacy of home support, the presence and capability of caregivers, and the safety of the home environment.

Medication reconciliation at discharge is arguably the most critical safety intervention in the entire transition process. This requires a meticulous comparison of the pre-admission medication list, the inpatient medication regimen, and the planned discharge medications, with explicit identification of all changes, additions, and discontinuations and clear documentation of the rationale for each. The patient and caregiver must understand every medication being prescribed at discharge, including its purpose, dose, timing, and potential side effects. Follow-up appointments should be scheduled before discharge, ideally within 7 days for high-risk patients and within 14 days for moderate-risk patients. Patient education must address the diagnosis, medication changes, activity restrictions, warning signs requiring immediate medical attention, and emergency contact information. Durable medical equipment, including walkers, hospital beds, oxygen, and wound care supplies, must be ordered and confirmed before discharge to prevent delays and safety gaps.

### Medication Reconciliation at Transitions

Medication errors occur in 30 to 40 percent of patients at hospital discharge, making medication reconciliation the single most important safety intervention during care transitions. The most common errors include medication omissions, dose changes that are not communicated to the receiving provider, duplication of therapies, and new drug-disease interactions arising from diagnoses made during the hospitalization. Best practice calls for pharmacist-led medication reconciliation at both admission and discharge, as pharmacist involvement has been shown to substantially reduce error rates.

The "brown bag review," in which the patient brings all medications (including over-the-counter products, supplements, and as-needed medications) to the first post-discharge office visit, provides an essential verification step that catches errors missed during the hospital discharge process. High-risk medications that require specific discharge education include anticoagulants, insulin, opioids, diuretics, and immunosuppressants, each of which carries the potential for serious harm if taken incorrectly.

### Teach-Back Method

The teach-back method is a proven communication technique that significantly improves patient comprehension, medication adherence, and reduces readmission rates. After providing discharge instructions, the clinician asks the patient or caregiver to explain the information back in their own words: "Can you tell me in your own words why you are taking this medication and how to take it?" This approach verifies understanding, identifies gaps in knowledge, and creates an opportunity for clarification before the patient leaves the hospital. Teach-back is an essential component of health literacy-sensitive communication and should be incorporated into every discharge encounter.

## Post-Acute Care Settings

### Skilled Nursing Facility (SNF)

Skilled nursing facilities provide short-term rehabilitation and skilled medical care following hospitalization. Medicare Part A coverage requires a qualifying 3-day inpatient hospital stay and covers days 1 through 20 in full, days 21 through 100 with a daily copayment (exceeding $200 per day in 2024), and provides no coverage beyond day 100. Services include physical therapy, occupational therapy, speech-language pathology, nursing care, medication management, and wound care. The average SNF stay is 25 to 30 days, with the goal of rehabilitating the patient to their prior functional level and achieving safe discharge home. Quality varies dramatically between facilities, and the SNF readmission rate to the hospital within 30 days is approximately 23 percent, underscoring the need for careful facility selection and close monitoring during the SNF stay.

| Setting | Acuity | Services | Average Stay | Medicare Coverage | Monthly Cost |
|---------|--------|----------|-------------|-------------------|-------------|
| LTACH | Highest | Ventilator weaning, complex medical care | 25+ days | DRG-based | Varies |
| IRF | High | Intensive rehab (3 hr/day, 5 days/wk) | 12–15 days | Per episode | Varies |
| SNF | Moderate | PT/OT/SLP, nursing, wound care | 25–30 days | Days 1–20: full; 21–100: copay; >100: none | Varies |
| Home Health | Low-Moderate | Skilled intermittent visits (2–3/wk) | Weeks–months | Requires homebound status + skilled need | Covered |
| Assisted Living | Low | ADL assistance, meals, medication management | Long-term | Not covered by Medicare | ~$5,000/mo |
| Nursing Home | Variable | 24-hour skilled nursing | Long-term | Short-term: Medicare; Long-term: Medicaid | $8,000–10,000/mo |

### Long-Term Acute Care Hospital (LTACH)

Long-term acute care hospitals serve patients requiring prolonged acute-level medical care, with an average length of stay of 25 days or more. Typical LTACH patients include those undergoing ventilator weaning, complex wound management, prolonged intravenous antibiotic therapy, and medically complex post-surgical recovery. Payment is Medicare DRG-based. Outcomes reflect the severity of the patient population: approximately 50 percent are discharged alive, and of those survivors, many transition to skilled nursing facilities rather than returning home.

### Inpatient Rehabilitation Facility (IRF)

Inpatient rehabilitation facilities provide intensive rehabilitation services, requiring a minimum of 3 hours of therapy per day, 5 days per week. Patients must be able to tolerate this intensity of therapy, and a physician rehabilitation plan is required. Common diagnoses include stroke, hip fracture, spinal cord injury, brain injury, and major joint replacement. Medicare regulations require that 60 percent of admissions fall into one of 13 qualifying diagnosis categories.

### Home Health Care

Home health care delivers skilled nursing, physical therapy, occupational therapy, speech-language pathology, medical social work, and home health aide services in the patient's home. Medicare Part A coverage requires that the patient be homebound (leaving home requires considerable and taxing effort) and that skilled care be needed. Visits are intermittent, typically 2 to 3 per week, and do not constitute 24-hour care. Services encompass medication management, wound care, rehabilitation, patient and caregiver education, and fall prevention. Home health care offers the significant advantages of keeping the patient in a familiar environment, reducing infection risk compared with institutional settings, and aligning with the preferences of most elderly patients.

### Assisted Living Facility (ALF)

Assisted living facilities provide a residential setting with assistance in activities of daily living, including bathing, dressing, medication management, and meals. Assisted living is not covered by Medicare, requiring private payment or, in some states, Medicaid. The level of care varies widely across facilities, with some offering memory care units and others providing only basic supervision. Skilled nursing care, including intravenous medications, complex wound management, and physical therapy, is not available in assisted living settings. The national average cost is approximately $5,000 per month, with a range of $4,000 to $8,000.

### Nursing Home (Long-Term Care)

Nursing homes provide ongoing skilled nursing care and supervision for individuals with significant functional dependence, cognitive impairment, or both. Medicare covers short-term skilled care episodes, while Medicaid covers long-term custodial care. Average nursing home costs are $8,000 to $10,000 per month for a semi-private room. The CMS Five-Star Quality Rating System, which evaluates health inspections, staffing levels, and quality measures, provides families with a standardized tool for comparing facility quality.

<image>A visual overview of post-acute care settings along a continuum of care intensity. Create a horizontal spectrum from LEFT (highest acuity/intensity) to RIGHT (lowest acuity/most independence). Arrange the following settings along the spectrum with icons and descriptions: LTACH (highest acuity — ventilator weaning, complex medical, average stay 25+ days), IRF (intensive rehab — 3h therapy/day, stroke/hip fracture, average stay 12-15 days), SNF (skilled nursing and rehabilitation — PT/OT/nursing, Medicare covers 100 days, average stay 25-30 days), Home Health (skilled intermittent visits at home — must be homebound, 2-3 visits/week), Outpatient Rehabilitation (PT/OT clinic visits — community-dwelling, independent), Home (independent or with informal caregiver support). Below the spectrum, show a parallel bar indicating Medicare coverage for each setting. Include a separate section showing long-term residential options: Assisted Living (ADL assistance, private pay, $5,000/month average) and Nursing Home (24-hour skilled nursing, Medicaid for custodial care, $8,000-10,000/month). Include key patient characteristics that determine the appropriate setting at each level.</image>

## Transitional Care Interventions

### Evidence-Based Models

#### Care Transitions Intervention (CTI — Coleman)

The Care Transitions Intervention, developed by Eric Coleman, is built on a 4-pillar model: medication self-management, a patient-centered health record, timely follow-up appointments, and knowledge of red flag symptoms that should trigger medical contact. A transition coach, typically an advanced practice nurse, contacts the patient within 24 to 48 hours of discharge and facilitates adherence to the follow-up plan. The randomized controlled trial evaluating CTI demonstrated a 30 percent reduction in 30-day readmissions and a 25 percent reduction in 90-day readmissions.

#### Transitional Care Model (TCM — Naylor)

The Transitional Care Model, developed by Mary Naylor, provides comprehensive, advanced practice nurse-led transitional care for high-risk elderly patients. The intervention begins during the hospitalization and continues for 1 to 3 months post-discharge through a combination of home visits and phone calls. The focus areas include medication management, early detection of complications, caregiver support, and coordination with the primary care physician. The randomized controlled trial demonstrated a 36 percent reduction in readmissions, a 39 percent reduction in healthcare costs over 12 months, and improvements in patient satisfaction and quality of life.

| Model | Developer | Key Intervention | Readmission Reduction | Additional Benefits |
|-------|-----------|-----------------|----------------------|---------------------|
| CTI | Coleman | Transition coach; 4 pillars (meds, health record, follow-up, red flags) | 30% (30-day); 25% (90-day) | Patient empowerment |
| TCM | Naylor | APN-led; begins in-hospital, continues 1–3 months | 36% | 39% cost reduction at 12 months |
| Project RED | Jack | 12-component discharge checklist + post-discharge call | 30% | Standardized After-Hospital Care Plan |
| BOOST | SHM | 8Ps risk assessment; targeted interventions | Variable | Risk stratification tool |

#### Project RED (Re-Engineered Discharge)

Project RED consists of a 12-component discharge checklist performed by a discharge advocate, typically a nurse. Components include medication reconciliation, creation of a comprehensive discharge plan, scheduling of follow-up appointments, patient education, and a post-discharge phone call. The After-Hospital Care Plan (AHCP) provides an individualized, patient-friendly discharge summary that translates medical information into actionable language. The randomized controlled trial demonstrated a 30 percent reduction in 30-day readmissions.

#### BOOST (Better Outcomes by Optimizing Safe Transitions)

The BOOST toolkit, developed by the Society of Hospital Medicine, provides a systematic approach to identifying and intervening with high-risk patients. The 8Ps risk assessment framework evaluates problem medications, psychological factors, principal diagnosis complexity, polypharmacy, poor health literacy, patient support adequacy, prior hospitalization history, and palliative care needs. This structured risk stratification allows hospitals to target intensive transitional care interventions to the patients who will benefit most.

### Post-Discharge Phone Calls

Post-discharge phone calls conducted within 48 to 72 hours of discharge serve as a critical safety net. These calls assess current symptoms, address medication questions, confirm follow-up appointment details, and verify the patient's understanding of the care plan. When combined with other transitional care interventions, post-discharge phone calls reduce readmissions by 10 to 20 percent.

### Pharmacist-Led Transitions

Pharmacist involvement in care transitions produces dramatic improvements in medication safety. Pharmacist-led medication reconciliation at discharge reduces medication errors by 50 to 80 percent. Post-discharge pharmacist phone calls or home visits, which review all medications, identify errors, and ensure adherence, add an additional layer of safety. The PILL-CVD trial demonstrated that pharmacist medication reconciliation combined with phone calls reduced preventable adverse drug events by 50 percent.

## Common Challenges at Transitions

### Communication Failures

Communication failure between hospital and outpatient providers is a pervasive and dangerous problem. Discharge summaries are available to the primary care physician at the time of the first post-discharge visit in only 12 to 34 percent of cases, leaving the outpatient provider without critical information about the hospitalization, medication changes, and follow-up needs. Key elements that should be included in every discharge summary are the admitting and discharge diagnoses, a concise hospital course, pending test results, medication changes with explicit rationale for each change, the follow-up plan, and a contingency plan for anticipated complications. Direct provider-to-provider verbal handoff at discharge improves outcomes and should be the standard of care. Interoperable electronic health record systems represent the ideal solution but are not universally available.

### Post-Hospital Syndrome (Krumholz, 2013)

The concept of post-hospital syndrome, articulated by Harlan Krumholz in 2013, describes a period of generalized vulnerability that follows hospitalization and is not specific to the admitting diagnosis. This vulnerability is driven by deconditioning, sleep deprivation, malnutrition, pain, medication changes, physiological stress, and delirium. Post-hospital syndrome explains the otherwise puzzling finding that many readmissions are for diagnoses entirely different from the index admission. The period of vulnerability extends for 30 to 90 days post-discharge, supporting the rationale for the 30-day readmission metric as a quality indicator and highlighting the need for comprehensive, rather than disease-specific, post-discharge care.

### Caregiver Burden at Transitions

Caregivers assume substantial responsibilities following hospital discharge, including medication management, wound care, mobility assistance, and symptom monitoring. Many caregivers feel unprepared for these responsibilities, with 40 to 50 percent reporting insufficient training at the time of discharge. The CARE Act (Caregiver Advise, Record, Enable), enacted in more than 40 states, addresses this gap by requiring hospitals to record the caregiver's name in the medical record, notify the caregiver of planned discharge, and provide caregiver training for post-discharge tasks. These requirements represent an important step toward recognizing and supporting the essential role of informal caregivers in the care transition process.

<image>A transition of care process flow diagram showing the ideal care transition from hospital to home. Create a horizontal timeline with four phases: INPATIENT (preparation), DISCHARGE DAY (execution), POST-DISCHARGE EARLY (48-72 hours), and POST-DISCHARGE FOLLOW-UP (7-30 days). In each phase, show key interventions: INPATIENT: daily discharge planning rounds, medication reconciliation, functional assessment, caregiver identification and training, advance directive review, DME ordering, follow-up appointment scheduling. DISCHARGE DAY: pharmacist medication reconciliation, teach-back with patient and caregiver, written discharge instructions (After-Hospital Care Plan), medication supply ensured, transportation arranged. POST-DISCHARGE EARLY: phone call within 48-72h (symptom check, medication review, appointment confirmation), home health visit if ordered, PCP notification of discharge. POST-DISCHARGE FOLLOW-UP: PCP visit within 7 days (medication reconciliation, review tests, assess function, address concerns), specialist follow-up as needed, ongoing care coordination. Show red warning flags at each phase indicating common failure points: unfinished medication reconciliation, missing follow-up appointment, discharge summary not received by PCP, caregiver not trained. Include evidence-based models (CTI, TCM, Project RED) labeled at the phases where they intervene.</image>

## Key Clinical Pearls

- Medication reconciliation at EVERY transition is the single most important safety intervention — medication errors occur in 30-40% of discharges and cause 70% of post-discharge adverse events
- The Transitional Care Model (Naylor) and Care Transitions Intervention (Coleman) are the two most evidence-based programs for reducing readmissions — both use APN/nurse-led post-discharge follow-up
- Discharge summaries reach the PCP before the follow-up visit only 12-34% of the time — always make a direct verbal handoff to the PCP or send the summary proactively
- Post-hospital syndrome (Krumholz) explains why many readmissions are for diagnoses DIFFERENT from the index admission — deconditioning, stress, sleep deprivation, and medication changes create a period of generalized vulnerability lasting 30-90 days
- High-risk patients (multiple comorbidities, polypharmacy, cognitive impairment, limited social support) benefit most from intensive transitional care interventions — use the 8Ps risk assessment (BOOST) to identify them
- Skilled nursing facility quality varies dramatically — counsel families to review CMS Five-Star ratings and visit facilities before selecting; readmission rates from SNFs are 23%
- Never discharge a patient without confirming: (1) follow-up appointment is scheduled, (2) patient/caregiver can teach back medication changes, (3) caregiver is identified and trained, and (4) a contingency plan for red flag symptoms is documented

## References
1. Naylor MD, Brooten DA, Campbell RL, et al. Transitional care of older adults hospitalized with heart failure: a randomized, controlled trial. *J Am Geriatr Soc*. 2004;52(5):675-684.
2. Coleman EA, Parry C, Chalmers S, Min SJ. The Care Transitions Intervention: results of a randomized controlled trial. *Arch Intern Med*. 2006;166(17):1822-1828.
3. Jack BW, Chetty VK, Anthony D, et al. A reengineered hospital discharge program to decrease rehospitalization: a randomized trial (Project RED). *Ann Intern Med*. 2009;150(3):178-187.
4. Krumholz HM. Post-hospital syndrome — an acquired, transient condition of generalized risk. *N Engl J Med*. 2013;368(2):100-102.
5. Kripalani S, LeFevre F, Phillips CO, Williams MV, Basaviah P, Baker DW. Deficits in communication and information transfer between hospital-based and primary care physicians: implications for patient safety and continuity of care. *JAMA*. 2007;297(8):831-841.