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Tragic Echo: Sister Dies of Same Rare Heart Condition as Brother
12 Mar
Summary
- Two-year-old Isabelle died from a rare genetic mutation.
- The same condition claimed her three-year-old brother's life.
- An inquest into Isabelle's death is scheduled for March 19.

A devastating loss has struck a family in Lancaster as two-year-old Isabelle Bowes died in September 2024 from a rare genetic heart disorder, PPA2 mutation. This tragic event echoes the death of her three-year-old brother, Alexander, who passed away from the same condition in 2021.
Isabelle was diagnosed with the PPA2 mutation less than a year before her death, a condition that causes sudden cardiac arrest and is thought to affect few families worldwide. Her mother, Dr. Emily Cooper, a lecturer at the University of Central Lancashire, expressed profound grief but urged loved ones to honor Isabelle's memory by living fearlessly.
Alexander's death in 2021 initially went unexplained for nearly two years. Following his passing, the family raised awareness for the Sudden Unexplained Death in Childhood UK charity. Subsequent genetic testing revealed the PPA2 mutation, with both parents identified as carriers.
While Isabelle's siblings, including a then-unborn daughter, were found to be free of the mutation, Isabelle was affected. Despite her mother's hope that she might remain symptomless, Isabelle's death underscores the severity of the PPA2 mutation. An inquest into Isabelle's death is scheduled to open on March 19 at Preston Coroners' Court.



