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Medical Science Monitor Basic Research


eISSN: 2329-0358

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Supplementary Administration of Everolimus Reduces Cardiac Systolic Function in Kidney Transplant Recipients

Kazuma Tsujimura, Morihito Ota, Kiyoshi Chinen, Kiyomitsu Nagayama, Masato Oroku, Morikuni Nishihira, Yoshiki Shiohira, Masami Abe, Kunitoshi Iseki, Hideki Ishida, Kazunari Tanabe

(Department of Surgery, Tomishiro Central Hospital, Tomigusuku, Okinawa, Japan)

Ann Transplant 2017; 22:315-322

DOI: 10.12659/AOT.903414

BACKGROUND: The effect of everolimus, one of the mammalian targets of rapamycin inhibitors, on cardiac function was evaluated in kidney transplant recipients.
MATERIAL AND METHODS: Seventy-six participants who underwent kidney transplant between March 2009 and May 2016 were retrospectively reviewed. To standardize everolimus administration, the following criteria were used: (1) the recipient did not have a donor-specific antigen before kidney transplantation; (2) the recipient did not have proteinuria and uncontrollable hyperlipidemia after kidney transplantation; and (3) acute rejection was not observed on protocol biopsy 3 months after kidney transplantation. According to these criteria, everolimus administration for maintenance immunosuppression after kidney transplantation was included. Cardiac function was compared between the treatment group (n=30) and non-treatment group (n=46).
RESULTS: The mean observation periods of the treatment and non-treatment groups were 41.3±12.6 and 43.9±19.8 months, respectively (p=0.573). The mean ejection fraction and fractional shortening of the treatment and non-treatment groups after kidney transplant were 66.5±7.9% vs. 69.6±5.5% (p=0.024) and 37.1±6.2% vs. 39.3±4.7% (p=0.045), respectively. In the treatment group, the mean ejection fraction and fractional shortening before and after kidney transplantation did not differ significantly (p=0.604 and 0.606, respectively). In the non-treatment group, the mean ejection fraction and fractional shortening before and after kidney transplantation differed significantly (p=0.004 and 0.006, respectively).
CONCLUSIONS: Supplementary administration of everolimus after kidney transplantation can reduce cardiac systolic function.

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