AKI in trauma patients requiring RRT was rare in this single-center study. More males than females were affected. Mortality was modest, and renal recovery was excellent as none of the survivors became dependent on chronic RRT.
The analgetic effect of bupivacaine given epidurally or interpleurally after thoracotomy was investigated in a randomized, double blind, placebo controlled study. 32 patients with both an epidural and an interpleural catheter, were randomized to receive either interpleural or epidural analgesia. The interpleural group was given bupivacaine 5 mg.ml-1 with 5 microgram epinephrine as a 30 ml interpleural bolus, followed by a continuous infusion starting at a rate of 7 ml per hour and epidurally a bolus of 0.9% NaCl followed by a continuous infusion of 0.9% NaCl. The epidural group was given bupivacaine 3.75 mg.ml-1 with 5 microgram epinephrine as a 5 ml epidural bolus, followed by a continuous infusion starting at a rate of 5 ml per hour and interpleurally a bolus of 0.9% NaCl followed by a continuous infusion of 0.9% NaCl. The draining tubes were clamped during the injection of the interpleural bolus and 15 min afterwards. Adequacy of pain relief was evaluated with the Prins-Henry pain scale. Morphine requirement was registered, there was no difference between the groups in pain scores or need for additional morphine.
The effects of serotonin on gut motility have been both excitatory and inhibitory. The purpose of the present study was to elucidate how serotonin influences motor activity in two functionally different parts of the stomach. Pressure recordings were made from fundic and antral pouches of isolated guinea pig whole stomach preparations. In the fundus serotonin induced relaxation, which developed gradually within 3 min. In the antrum serotonin initiated phasic contractions, which culminated within 3 min and then returned to near or below prestimulatory values. Whereas tetrodotoxin did not significantly reduce the fundic relaxation, the antral excitation was strongly inhibited by both atropine and tetrodotoxin, indicating different effect mechanisms in fundus and antrum.
Introduction. Acute kidney injury (AKI) necessitating continuous renal replacement therapy (CRRT) is a severe complication in trauma patients (TP). We wanted to assess daily duration of CRRT and its impact on uremic control in TP. Material and Methods. We retrospectively reviewed adult TP, with or without rhabdomyolysis, with AKI undergoing CRRT. Data on daily CRRT duration and causes for temporary stops were collected from the first five CRRT days. Uremic control was assessed by daily changes in serum urea (Δurea) and creatinine (Δcreatinine) concentrations. Results. Thirty-six TP were included with a total of 150 CRRT days, 17 (43%) with rhabdomyolysis. The median (interquartile range (IQR)) time per day with CRRT was 19 (15–21) hours. There was a significant correlation between daily CRRT duration and Δurea (r = 0.60, P≤0.001) and Δcreatinine (r = 0.43; P = 0.012). CRRT pauses were caused by filter clotting (54%), therapeutic interventions (25%), catheter related problems (10%), filter timeout (6%), and diagnostic procedures (6%). Rhabdomyolysis did not affect the CRRT data. Conclusions. TP undergoing CRRT had short daily CRRT duration causing reduced uremic control. Clinicians should modify their daily clinical practice to improve technical skills and achieve sufficient dialysis dose.
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