Observational studyBMJ open2021
Observational study of the relative efficacy of insulin-glucose treatment for hyperkalaemia in patients with liver cirrhosis.
Observational study in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 1 citations in OpenAlex.
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo determine if liver cirrhosis is associated with reduced efficacy of insulin-glucose treatment in moderate to severe hyperkalaemia.
designRetrospective, cohort study.
settingTwo secondary and one tertiary care hospital at a large metropolitan healthcare network in Melbourne, Australia.
participantsThis study included 463 adults with a mean age of 68.7±15.8 years, comprising 79 patients with cirrhosis and 384 without cirrhosis as controls, who received standard insulin-glucose treatment for a serum potassium ≥6.0 mmol/L from October 2016 to March 2020. Patients were excluded if they received an insulin infusion, or if there was inadequate follow-up data for at least 6 hours after IDT due to death, lost to follow-up or inadequate biochemistry monitoring. The mean Model for End-stage Liver Disease score in patients with cirrhosis was 22.2±7.5, and the distribution of the Child-Pugh score for cirrhosis was: class A (24%), class B (46%), class C (30%). OUTCOME MEASURES: The primary outcome was the degree of potassium lowering and the secondary outcome was the proportion of patients who achieved normokalaemia, within 6 hours of treatment.
resultsThe mean pretreatment potassium for the cohort was 6.57±0.52 mmol/L. After insulin-glucose treatment, mean potassium lowering was 0.84±0.58 mmol/L in patients with cirrhosis compared with 1.33±0.75 mmol/L for controls (p<0.001). The proportion of patients achieving normokalaemia was 33% for patients with cirrhosis, compared with 53% for controls (p=0.001). By multivariable regression, on average, liver cirrhosis was associated with a reduced potassium lowering effect of 0.42 mmol/L (95% CI 0.22 to 0.63 mmol/L, p<0.001) from insulin-glucose treatment, after adjusting for age, serum creatinine, cancer, pretreatment potassium level, β-blocker use and cotreatments (sodium polystyrene sulfonate, salbutamol, sodium bicarbonate).
conclusionsOur observational data suggest reduced efficacy of insulin-glucose treatment for hyperkalaemia in patients with cirrhosis.
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