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KMID : 0367020240360010052
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Journal of Korean Academic of Adult Nursing
2024 Volume.36 No. 1 p.52 ~ p.62
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Risk Factors for Readmission of Heart Transplant Recipients: A Retrospective Case-Control Study
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Jang Da-El
Jang Yeon-Soo
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Abstract
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Purpose: The purpose of this study was to identify factors influencing the readmission of heart transplant recipients through survival analysis.
Methods: We collected data from heart transplant recipients who were discharged after surgery between November 2005 and September 2020 from the electronic medical records of Y University Hospital in Seoul. The Kaplan-Meier estimation was utilized to calculate the survival rate, and Cox's proportional hazards model was employed to determine the factors influencing readmission within 1 year.
Results: Out of 150 heart transplant recipients, 81 (54.0%) were readmitted within one year. The median time to readmission was 231 days. An increased duration of postoperative days was associated with a higher risk of readmission (p=.016). Groups with abnormal sodium levels (p<.001), those requiring postoperative hemodialysis (p=.013), patients with chronic kidney disease (p=.002), dyslipidemia (p=.040), or diabetes mellitus (p=.045) also faced higher readmission risks. In the final model, sodium levels (hazard ratio [HR]=2.31, p<.001) and chronic kidney disease (HR=1.67, p=.045) were significant risk factors for readmission (χ2=31.90, p<.001).
Conclusion: Interventions to improve kidney function and a multidisciplinary approach are needed to reduce readmission of heart transplant recipients.
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KEYWORD
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Heart transplantation, Patient readmission, Survival analysis
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