Comparative Effectiveness of PET and SPECT MPI for Predicting Cardiovascular Events After Kidney Transplant
BACKGROUND: Advanced chronic kidney disease is associated with high cardiovascular risk, even after kidney transplant. Pretransplant cardiac testing may identify patients who require additional assessment before transplant or would benefit from risk optimization. The objective of the current study was to determine the relative prognostic utility of pretransplant positron emission tomography (PET) and single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) for posttransplant major adverse cardiovascular events (MACEs).
METHODS: We retrospectively followed patients who underwent MPI before kidney transplant for the occurrence of MACE after transplant including myocardial infarction, stroke, heart failure, and cardiac death. An abnormal MPI result was defined as a total perfusion deficit >5% of the myocardium. To determine associations of MPI results with MACE, we utilized Cox hazard regression with propensity weighting for PET versus SPECT with model factors, including demographics and cardiovascular risk factors.
RESULTS: A total of 393 patients underwent MPI (208 PET and 185 SPECT) and were followed for a median of 5.9 years post-transplant. Most were male (58%), median age was 58 years, and there was a high burden of hypertension (88%) and diabetes (33%). A minority had abnormal MPI (n=58, 15%). In propensity-weighted hazard regression, abnormal PET result was associated with posttransplant MACE (hazard ratio, 3.02 [95% CI, 1.78-5.11]; P<0.001), while there was insufficient evidence of an association of abnormal SPECT result with MACE (1.39 [95% CI, 0.72-2.66]; P=0.33). The explained relative risk of the PET result was higher than the SPECT result (R2 0.086 versus 0.007). Normal PET was associated with the lowest risk of MACE (2.2%/year versus 3.6%/year for normal SPECT; P<0.001).
CONCLUSIONS: Kidney transplant recipients are at high cardiovascular risk, despite a minority having obstructive coronary artery disease on MPI. PET MPI findings predict posttransplant MACE. Normal PET may better discriminate lower risk patients compared with normal SPECT, which should be confirmed in a larger prospective study.
| Errataetall: |
CommentIn: Circ Cardiovasc Imaging. 2024 Jan;17(1):e016408. - PMID 38227693 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:17 |
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| Enthalten in: |
Circulation. Cardiovascular imaging - 17(2024), 1 vom: 17. Jan., Seite e015858 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Huck, Daniel M [VerfasserIn] |
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| Links: |
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| Themen: |
Cardiovascular diseases |
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| Anmerkungen: |
Date Completed 18.01.2024 Date Revised 28.03.2024 published: Print-Electronic CommentIn: Circ Cardiovasc Imaging. 2024 Jan;17(1):e016408. - PMID 38227693 Citation Status MEDLINE |
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| doi: |
10.1161/CIRCIMAGING.123.015858 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367182467 |
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| 245 | 1 | 0 | |a Comparative Effectiveness of PET and SPECT MPI for Predicting Cardiovascular Events After Kidney Transplant |
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| 500 | |a Date Revised 28.03.2024 | ||
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| 500 | |a CommentIn: Circ Cardiovasc Imaging. 2024 Jan;17(1):e016408. - PMID 38227693 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Advanced chronic kidney disease is associated with high cardiovascular risk, even after kidney transplant. Pretransplant cardiac testing may identify patients who require additional assessment before transplant or would benefit from risk optimization. The objective of the current study was to determine the relative prognostic utility of pretransplant positron emission tomography (PET) and single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) for posttransplant major adverse cardiovascular events (MACEs) | ||
| 520 | |a METHODS: We retrospectively followed patients who underwent MPI before kidney transplant for the occurrence of MACE after transplant including myocardial infarction, stroke, heart failure, and cardiac death. An abnormal MPI result was defined as a total perfusion deficit >5% of the myocardium. To determine associations of MPI results with MACE, we utilized Cox hazard regression with propensity weighting for PET versus SPECT with model factors, including demographics and cardiovascular risk factors | ||
| 520 | |a RESULTS: A total of 393 patients underwent MPI (208 PET and 185 SPECT) and were followed for a median of 5.9 years post-transplant. Most were male (58%), median age was 58 years, and there was a high burden of hypertension (88%) and diabetes (33%). A minority had abnormal MPI (n=58, 15%). In propensity-weighted hazard regression, abnormal PET result was associated with posttransplant MACE (hazard ratio, 3.02 [95% CI, 1.78-5.11]; P<0.001), while there was insufficient evidence of an association of abnormal SPECT result with MACE (1.39 [95% CI, 0.72-2.66]; P=0.33). The explained relative risk of the PET result was higher than the SPECT result (R2 0.086 versus 0.007). Normal PET was associated with the lowest risk of MACE (2.2%/year versus 3.6%/year for normal SPECT; P<0.001) | ||
| 520 | |a CONCLUSIONS: Kidney transplant recipients are at high cardiovascular risk, despite a minority having obstructive coronary artery disease on MPI. PET MPI findings predict posttransplant MACE. Normal PET may better discriminate lower risk patients compared with normal SPECT, which should be confirmed in a larger prospective study | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a cardiovascular diseases | |
| 650 | 4 | |a coronary artery disease | |
| 650 | 4 | |a kidney transplantation | |
| 650 | 4 | |a positron-emission tomography | |
| 650 | 4 | |a prognosis | |
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| 700 | 1 | |a Schreiber, Brittany |e verfasserin |4 aut | |
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| 700 | 1 | |a Parks, Sean |e verfasserin |4 aut | |
| 700 | 1 | |a Hainer, Jon |e verfasserin |4 aut | |
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