Ross C Schumacher1, Michael Chiu2, Jean de Leon3, Kate Krause4, Anil N Makam5. 1. Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, USA; Division of Pulmonary, Allergy, and Critical Care Medicine, The University of Alabama at Birmingham, AL, USA. 2. Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, USA. 3. Department of Physical Medicine and Rehabilitation, UT Southwestern Medical Center, Dallas, TX, USA. 4. UT Southwestern Medical School, Dallas, TX, USA. 5. Department of Population and Data Sciences, UT Southwestern Medical Center, Dallas, TX, USA; Division of Hospital Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, CA, USA; Philip R. Lee Institute for Health Policy Studies, University of California San Francisco, San Francisco, CA, USA. Electronic address: Anil.Makam@ucsf.edu.
Abstract
OBJECTIVES: There is wide variation in long-term acute care hospital (LTACH) use nationwide, the most intensive and expensive post-acute care setting, although appropriateness of use is uncertain. Therefore, we examined the appropriateness and reasons for transfer in a high-use region, and how Medicare criteria for LTACH payment identifies appropriate transfers. DESIGN: Multicenter retrospective observational cohort. SETTING AND PARTICIPANTS: Consecutive hospitalized Medicare beneficiaries transferred to an LTACH from 2017 to 2018 from an accountable care organization in Texas. METHODS: The primary outcome was clinical appropriateness of transfer ascertained by 2 physician reviewers. We abstracted patients' characteristics and primary reasons for transfer. We examined the positive predictive value (PPV) of meeting Medicare criteria for full LTACH payment [preceding intensive care unit (ICU) stay ≥3 days or prolonged mechanical ventilation] for identifying appropriate transfers, and how this differed if Medicare adopted an 8-day minimum ICU stay criterion recommended by the Medicare Payment Advisory Commission (MedPAC). RESULTS: Of 105 LTACH transfers, 33 (31.4%) were clinically appropriate. The most common reason among appropriate transfers was respiratory care (58%), but 42% had other indications. Inappropriate transfers most commonly were for wound care (28%), intravenous medication infusions (28%), or patient (17%) and physician preference (26%). The PPV for meeting Medicare LTACH payment criteria was 55%. The PPV improved to 77% if Medicare adopted the 8-day minimum ICU stay criterion, with only a modest absolute increase in appropriate transfers not meeting the more stringent criteria (12% to 17%). CONCLUSIONS AND IMPLICATIONS: Two-thirds of LTACH transfers in a high-LTACH-use region are clinically inappropriate, and are most commonly transferred for wound care, intravenous infusions, or patient and physician preference. Medicare payment criteria modestly distinguished between appropriate and inappropriate transfers. Adoption of MedPAC's recommended 8-day minimum ICU stay criterion could safely reduce inappropriate transfers, although generalizability to low LTACH-use regions is uncertain.
OBJECTIVES: There is wide variation in long-term acute care hospital (LTACH) use nationwide, the most intensive and expensive post-acute care setting, although appropriateness of use is uncertain. Therefore, we examined the appropriateness and reasons for transfer in a high-use region, and how Medicare criteria for LTACH payment identifies appropriate transfers. DESIGN: Multicenter retrospective observational cohort. SETTING AND PARTICIPANTS: Consecutive hospitalized Medicare beneficiaries transferred to an LTACH from 2017 to 2018 from an accountable care organization in Texas. METHODS: The primary outcome was clinical appropriateness of transfer ascertained by 2 physician reviewers. We abstracted patients' characteristics and primary reasons for transfer. We examined the positive predictive value (PPV) of meeting Medicare criteria for full LTACH payment [preceding intensive care unit (ICU) stay ≥3 days or prolonged mechanical ventilation] for identifying appropriate transfers, and how this differed if Medicare adopted an 8-day minimum ICU stay criterion recommended by the Medicare Payment Advisory Commission (MedPAC). RESULTS: Of 105 LTACH transfers, 33 (31.4%) were clinically appropriate. The most common reason among appropriate transfers was respiratory care (58%), but 42% had other indications. Inappropriate transfers most commonly were for wound care (28%), intravenous medication infusions (28%), or patient (17%) and physician preference (26%). The PPV for meeting Medicare LTACH payment criteria was 55%. The PPV improved to 77% if Medicare adopted the 8-day minimum ICU stay criterion, with only a modest absolute increase in appropriate transfers not meeting the more stringent criteria (12% to 17%). CONCLUSIONS AND IMPLICATIONS: Two-thirds of LTACH transfers in a high-LTACH-use region are clinically inappropriate, and are most commonly transferred for wound care, intravenous infusions, or patient and physician preference. Medicare payment criteria modestly distinguished between appropriate and inappropriate transfers. Adoption of MedPAC's recommended 8-day minimum ICU stay criterion could safely reduce inappropriate transfers, although generalizability to low LTACH-use regions is uncertain.
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