British journal of anaesthesia
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Editorial Comment
Preoperative anaemia in cardiac surgery: preoperative assessment, treatment and outcome.
Preoperative anaemia is common and associated with increased postoperative morbidity and mortality after cardiac surgery. These findings are supported by a large Dutch cohort study including >35 000 patients published in this issue of the British Journal of Anaesthesia. Timely diagnosis and preoperative anaemia treatment seem to be reasonable targets for perioperative risk stratification and modification. However, implementation of anaemia therapy into clinical routines remains challenging, and evidence for improved outcome is currently limited.
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Anaesthesia and perioperative management contribute to long-term outcomes of patients with cancer, including pancreatic ductal adenocarcinoma. We assessed the antitumour, anti-inflammatory, and analgesic effects of midazolam on LSL-KrasG12D/+;Trp53flox/flox;Pdx-1cre/+ transgenic mice with pancreatic ductal adenocarcinoma. ⋯ These results suggest that midazolam inhibits pancreatic ductal adenocarcinoma proliferation and local infiltration of tumour-associated neutrophils, tumour-associated macrophages, and polymorphonuclear myeloid-derived suppressor cells, thereby inhibiting pancreatic ductal adenocarcinoma progression.
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Editorial Comment
Does inflammation mediate behavioural alterations in anaesthesia-induced developmental neurotoxicity?
Anaesthesia exposure early in life potentially impairs neurobehavioural development. A recent study in the Journal investigated the possibility that progesterone mitigates anaesthesia-induced developmental neurotoxicity in neonatal rats exposed to sevoflurane. ⋯ The protective mechanism is proposed to relate to anti-inflammatory properties of progesterone, which brings up important questions regarding the role of inflammation in mediating the neurobehavioural alterations in anaesthesia-induced developmental neurotoxicity. We discuss this mechanism and encourage new research that may clarify the underlying mechanisms of progesterone-induced protection and extend these findings into a translational model.