Articles: acute-pain.
-
Anesthesia and analgesia · Nov 2021
Comparative StudyAcute Visceral Pain in Rats: Vagal Nerve Block Compared to Bupivacaine Administered Intramuscularly.
Visceral and parietal peritoneum layers have different sensory innervations. Most visceral peritoneum sensory information is conveyed via the vagus nerve to the nucleus of the solitary tract (NTS). We already showed in animal models that intramuscular (i.m.) injection of local anesthetics decreases acute somatic and visceral pain and general inflammation induced by aseptic peritonitis. The goal of the study was to compare the effects of parietal block, i.m. bupivacaine, and vagotomy on spinal cord and NTS stimulation induced by a chemical peritonitis. ⋯ In rats receiving intraperitoneal carrageenan, i.m. bupivacaine similarly inhibited c-Fos and microglial activation both in cord and in the NTS. Vagal block inhibited activation only in the NTS. Our study underlines the role of the vagus nerve in the transmission of an acute visceral pain message and confirmed that systemic bupivacaine prevents noxious stimuli. This emphasizes the effects of systemic local anesthetics on inflammation and visceral pain.
-
Observational Study
Effect of the COVID-19 pandemic in stroke code activations in the region of Madrid: A retrospective study.
Acute sstroke is the most common time-dependent disease attended in the emergency medical service (EMS) of Madrid (SUMMA 112). Community of Madrid has been one of the most affected regions in Spain by the coronavirus disease 2019 (COVID-19) pandemic. A significant reduction in acute sstroke hospital admissions has been reported during the COVID-19 pandemic compared to the same period 1 year before. ⋯ The reduction of hospital admissions might be attributable to patients attending the hospital by their means. The maximum SC workload seen during seasonal influenza has not been reached during the pandemic. We detected a nonsignificant deviation from the SC protocol, with a slight increase in hospitals' transfers to hospitals without stroke units.