This month we look at a paper concentrating on the risk of contrast induced nephropathy in contrasted CT scans, looking specifically at the need to hydrate at-risk patients prior to and following CT scans. The use of prehospital blood is also under the spotlight with the ongoing RePHILL trial. We look at a paper reviewing prehospital blood use with the Kent Surrey Sussex prehospital service and the described physiological changes seen in patients receiving blood. Make sure you also go over and check out the podcast episode from PHEMCAST on the RePHILL trial with Jim Hancox. Finally I was lucky enough to catch up with Johannes von Vopelius-Feldt, the lead author of a paper in press on the impact of prehospital critical care teams on out of hospital cardiac arrests. You can find the fantastic opportunity of a scholarship to be an Emergency Nurse Practitioner here from ADPRAC. Enjoy Simon & Rob References & Further Reading Prophylactic hydration to protect renal function from intravascular iodinated contrast material in patients at high risk of contrast-induced nephropathy (AMACING): a prospective, randomised, phase 3, controlled, open-label, non-inferiority trial. Nijssen EC. Lancet. 2017 FOAMcast; Contrast-Induced Nephropathy and Genitourinary Trauma RELEL.EM; The AMACING Trial: Prehydration to Prevent Contrast Induced Nephropathy (CIN)? Royal College Radiology; Prevention of Contrast Induced Acute Kidney Injury (CI-AKI) In Adult Patients Pre-hospital transfusion of packed red blood cells in 147 patients from a UK helicopter emergency medical service. Lyon RM. Scand J Trauma Resusc Emerg Med. 2017 PHEMCAST; blood Systematic review of the effectiveness of prehospital critical care following out-of-hospital cardiac arrest. von Vopelius-Feldt J. Resuscitation. 2017 Prophylactic hydration to protect renal function from intravascular iodinated contrast material in patients at high risk of contrast-induced nephropathy (AMACING): a prospective, randomised, phase 3, controlled, open-label, non-inferiority trial. Nijssen EC. Lancet. 2017