Medical Calculator
Predicted Heart Mass Calculator (PHM)
Estimate donor/recipient heart mass for optimal cardiac transplant sizing
Author / Source: Luke Masha, MD/MPH
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About
The PHM ratio is the optimal metric for sizing donor hearts for potential transplant recipients and outperforms the use of weight or height matching alone. Donor/Recipient PHM ratios less than 0.86 may be associated with sub-optimal transplant outcomes.
Published Literature & References:
- [1]Kransdorf EP, Kittleson MM, Benck LR, Patel JK, Chung JS, Esmailian F, Kearney BL, Chang DH, Ramzy D, Czer LSC, Kobashigawa JA.: Predicted heart mass is the optimal metric for size match in heart transplantation. J Heart Lung Transplant.2019 Feb;38(2):156-165. doi: 10.1016/j.healun.2018.09.017. Epub 2018 Sep 27.
- [2]Gong TA, Joseph SM, Lima B, Gonzalez-Stawinski GV, Jamil AK, Felius J, Qin H, Saracino G, Rafael AE, Kale P, Hall SA.: Donor predicted heart mass as predictor of primary graft dysfunction. J Heart Lung Transplant.2018 Jul;37(7):826-835. doi: 10.1016/j.healun.2018.03.009. Epub 2018 Mar 17.
- [3]Reed RM, Netzer G, Hunsicker L, Mitchell BD, Rajagopal K, Scharf S, Eberlein M.: Cardiac size and sex-matching in heart transplantation : size matters in matters of sex and the heart. JACC Heart Fail.2014 Feb;2(1):73-83.
Results
Real-time automated computation
Donor/Recipient PHM ratio
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Donor/Recipient Weight ratio
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Donor PHM
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Recipient PHM
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Clinical Parameters (0/8)
0%Medical calculation formulas standardized according to evidence-based clinical protocols.
About
The PHM ratio is the optimal metric for sizing donor hearts for potential transplant recipients and outperforms the use of weight or height matching alone. Donor/Recipient PHM ratios less than 0.86 may be associated with sub-optimal transplant outcomes.
Published Literature & References:
- [1]Kransdorf EP, Kittleson MM, Benck LR, Patel JK, Chung JS, Esmailian F, Kearney BL, Chang DH, Ramzy D, Czer LSC, Kobashigawa JA.: Predicted heart mass is the optimal metric for size match in heart transplantation. J Heart Lung Transplant.2019 Feb;38(2):156-165. doi: 10.1016/j.healun.2018.09.017. Epub 2018 Sep 27.
- [2]Gong TA, Joseph SM, Lima B, Gonzalez-Stawinski GV, Jamil AK, Felius J, Qin H, Saracino G, Rafael AE, Kale P, Hall SA.: Donor predicted heart mass as predictor of primary graft dysfunction. J Heart Lung Transplant.2018 Jul;37(7):826-835. doi: 10.1016/j.healun.2018.03.009. Epub 2018 Mar 17.
- [3]Reed RM, Netzer G, Hunsicker L, Mitchell BD, Rajagopal K, Scharf S, Eberlein M.: Cardiac size and sex-matching in heart transplantation : size matters in matters of sex and the heart. JACC Heart Fail.2014 Feb;2(1):73-83.