What Researchers Did
Researchers looked back at the medical records of 101 patients with calciphylaxis seen at a single center between 1999 and 2014 to study their survival rates and how different treatments affected them.
What They Found
The study found that the average patient age was 60, with 80.2% being women and 68% obese. A significant 62.4% had severe kidney disease (stage 5 or 5D). The six-month survival rate was 57%, and not having surgical debridement led to significantly poorer overall survival. For patients with severe kidney disease and hyperparathyroidism, subtotal parathyroidectomy was linked to better survival. Hyperbaric oxygen therapy was not associated with higher mortality.
What This Means for Canadian Patients
Canadian patients with calciphylaxis face a serious condition with a high mortality rate. This study suggests that surgical debridement and, for those with severe kidney disease and hyperparathyroidism, subtotal parathyroidectomy, are important treatments. While hyperbaric oxygen therapy was not found to improve survival in this study, it was also not linked to increased mortality, suggesting it may be a safe supportive option.
Canadian Relevance
No direct Canadian connection identified.
Study Limitations
This study was conducted at a single center and retrospectively reviewed patient data, which may limit how broadly its findings can be applied.