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Adenosine, lidocaine and Mg2+improves cardiac and pulmonary function, induces reversible hypotension and exerts anti-inflammatory effects in an endotoxemic porcine model

Overview of attention for article published in Critical Care, December 2014
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Title
Adenosine, lidocaine and Mg2+improves cardiac and pulmonary function, induces reversible hypotension and exerts anti-inflammatory effects in an endotoxemic porcine model
Published in
Critical Care, December 2014
DOI 10.1186/s13054-014-0682-y
Pubmed ID
Authors

Asger Granfeldt, Hayley L Letson, Geoffrey P Dobson, Wei Shi, Jakob Vinten-Johansen, Else Tønnesen

Abstract

IntroductionThe combination of Adenosine (A), lidocaine (L) and Mg2+ (M) (ALM) has demonstrated cardioprotective and resuscitative properties in models of cardiac arrest and hemorrhagic shock. This study evaluates whether ALM also demonstrates organ protective properties in an endotoxemic porcine model.MethodsPigs (37 to 42 kg) were randomized into: 1) Control (n¿=¿8) or 2) ALM (n¿=¿8) followed by lipopolysaccharide infusion (1 ¿g¿kg-1¿h-1) for five hours. ALM treatment consisted of 1) a high dose bolus (A (0.82 mg/kg), L (1.76 mg/kg), M (0.92 mg/kg)), 2) one hour continuous infusion (A (300 ¿g¿kg-1 ¿min-1), L (600 ¿g¿kg-1 ¿min-1), M (336 ¿g¿kg-1 ¿min-1)) and three hours at a lower dose (A (240¿kg-1¿min-1), L (480 ¿g¿kg-1¿min-1), M (268 ¿g¿kg-1 ¿min-1)); controls received normal saline. Hemodynamic, cardiac, pulmonary, metabolic and renal functions were evaluated.ResultsALM lowered mean arterial pressure (Mean value during infusion period: ALM: 47 (95% confidence interval (CI): 44 to 50) mmHg versus control: 79 (95% CI: 75 to 85) mmHg, P <0.0001). After cessation of ALM, mean arterial pressure immediately increased (end of study: ALM: 88 (95% CI: 81 to 96) mmHg versus control: 86 (95% CI: 79 to 94) mmHg, P¿=¿0.72). Whole body oxygen consumption was significantly reduced during ALM infusion (ALM: 205 (95% CI: 189 to 221) ml oxygen/min versus control: 231 (95% CI: 215 to 247) ml oxygen/min, P¿=¿0.016). ALM treatment reduced pulmonary injury evaluated by PaO2/FiO2 ratio (ALM: 388 (95% CI: 349 to 427) versus control: 260 (95% CI: 221 to 299), P¿=¿0.0005). ALM infusion led to an increase in heart rate while preserving preload recruitable stroke work. Creatinine clearance was significantly lower during ALM infusion but reversed after cessation of infusion. ALM reduced tumor necrosis factor-¿ peak levels (ALM 7121 (95% CI: 5069 to 10004) pg/ml versus control 11596 (95% CI: 9083 to 14805) pg/ml, P¿=¿0.02).ConclusionALM infusion induces a reversible hypotensive and hypometabolic state, attenuates tumor necrosis factor-¿ levels and improves cardiac and pulmonary function, and led to a transient drop in renal function that was reversed after the treatment was stopped.

X Demographics

X Demographics

The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 3%
Unknown 38 97%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 7 18%
Researcher 6 15%
Student > Doctoral Student 4 10%
Student > Ph. D. Student 4 10%
Student > Master 4 10%
Other 7 18%
Unknown 7 18%
Readers by discipline Count As %
Medicine and Dentistry 19 49%
Immunology and Microbiology 2 5%
Veterinary Science and Veterinary Medicine 2 5%
Agricultural and Biological Sciences 1 3%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Other 4 10%
Unknown 10 26%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 22 December 2014.
All research outputs
#16,047,334
of 25,373,627 outputs
Outputs from Critical Care
#5,210
of 6,554 outputs
Outputs of similar age
#205,025
of 368,221 outputs
Outputs of similar age from Critical Care
#103
of 135 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,554 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 20.8. This one is in the 18th percentile – i.e., 18% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 368,221 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 135 others from the same source and published within six weeks on either side of this one. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.