Fourteen-year-old D'Zhana Simmons was in need of a transplant due to her abnormally large heart. When it came time for her surgery, the new organ failed to function properly and doctors were left with no choice but to remove it. Because this series of events was not anticipated, doctors did not have another heart available for Simmons. Because she was weakened from the surgery, they had to come up with a solution fast.
They decided to take two artifical pumps and use them to keep blood flowing in Simmons' body for almost four months. Usually when an artifical heart is used to sustain a patient, the patient's own heart is left in the body. But this was not the case for Simmons. For 118 days, she lived without a heart and solely on the pumps. Finally when a heart arrived, she received a successful transplant.