Peer-reviewed veterinary case report
Severe overheating and high sodium after brain surgery in dogs and
By Marino, Dominic J et al.·Published in Veterinary surgery : VS·2014·Department of Surgery, United States·View original on PubMed →
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Original publication title: Severe hyperthermia, hypernatremia, and early postoperative death after transethmoidal cavitron ultrasonic surgical aspirator (CUSA)-assisted diencephalic mass removal in 4 dogs and 2 cats.
Plain-English summary
Four dogs and two cats experienced severe overheating and high sodium levels after surgery to remove brain tumors. The symptoms of overheating started about 3.5 hours after waking up from anesthesia, with temperatures reaching as high as 41.7°C. High sodium levels were noted about 4.5 hours post-surgery. Unfortunately, these complications led to the death of the pets within hours after surgery. Due to these serious risks, this surgical method is not recommended for pets.
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Abstract
OBJECTIVE: To report clinical findings including severe hyperthermia and hypernatremia after transethmoidal Cavitron ultrasonic surgical aspirator (CUSA)-assisted diencephalic mass removal. STUDY DESIGN: Retrospective case series. ANIMALS: Dogs (n = 4) and 2 cats. METHODS: Medical records (1997-2003) of dogs and cats that had transethmoidal CUSA-assisted diencephalic mass removal were reviewed. Retrieved data were: history, signalment, blood work, neurologic examination findings, MRI results, histopathology, postoperative complications, pre- and postoperative medical therapy, and outcome. RESULTS: Tumor types included: meningioma (n = 3), choroid plexus papilloma (1), astrocytoma (1), and pituitary macroadenoma (1). Median onset of hyperthermia was 3.5 hours (range: 1-6 hours) after extubation; median high temperature at onset was 40.3°C, (range: 39.6-41.7°C). Median onset of hypernatremia (median, 172 mmol/L; range: 168-196 mmol/L) was 4.5 hours (range: 1-9 hours) after extubation. Median time of death after hyperthermia was 10.5 hours (range: 6-13 hours) and after extubation was 13.5 hours (range: 11-15 hours). CONCLUSIONS: Transethmoidal CUSA-assisted diencephalic mass removal is associated with early postoperative hyperthermia, hypernatremia, and death, and cannot be recommended.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/25040184/