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- Bytyci, Ibadete, et al.
(författare)
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Left atrial volume index predicts response to cardiac resynchronisation therapy : a systematic review and meta-analysis
- 2022
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Ingår i: Archives of Medical Science. - Poznan, Poland : Termedia. - 1734-1922 .- 1896-9151. ; 18:4, s. 930-938
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Forskningsöversikt (refereegranskat)abstract
- Introduction: In responders, cardiac resynchronisation therapy (CRT) results in improved left ventricular (LV) function and reduced atrial arrhythmia. The aim of this meta-analysis was to assess the potential relationship between the left atrium (LA) volume and CRT response.Material and methods: We systematically searched all electronic databases up to August 2018 in order to select clinical trials and observational studies that assessed the predictive value of LA volume index (LAVI) of CRT response. Left ventricular end-systolic volume (LVESV) reduction ≥ 15 ml and/ or LV ejection fraction (EF) increase ≥ 10% were the documented criteria for positive CRT response.Results: A total of 2191 patients recruited in 10 studies with mean follow-up duration of 10.5 months were included in this meta-analysis. The pooled analysis showed that CRT responders had lower baseline LAVI compared to non-responders, with a weighted mean difference (WMD) of -5.89% (95% CI: -9.47 to -3.22, p < 0.001). At follow-up, LAVI fell in the CRT responders (WMD -4.36%, 95% CI: -3.54 to -5.17, p < 0.001) compared to non-responders (WMD 1.45 %, 95% CI: -0.75 to 3.65, p = 0.20). The mean change of LAVI in the CRT responders was related to the fall in LVESV, β = -1.02 (-1.46 to -0.58), p < 0.001 and the increase in LVEF, β = 2.02 (1.86 to 4.58), p = 0.001. A baseline LAVI < 34 ml/m2 predicted CRT response with summary sensitivity 0.80% (0.53-0.95), specificity 0.74% (0.53-0.89), and odds ratio > 11.Conclusions: Baseline LAVI predicts CRT response, and its reduction reflects devise-related LA remodelling. These results emphasis the role of LAVI assessment as an integral part of cardiac function response to CRT.
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- Filip, Rafal, et al.
(författare)
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Effect of feed supplementation with phytohaemagglutinin in combination with alpha-ketoglutarate on growth and nitrogen elimination pathways in rats with acute renal failure induced by nephrectomy
- 2008
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Ingår i: Archives of Medical Science. - 1734-1922. ; 4:2, s. 122-128
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Tidskriftsartikel (refereegranskat)abstract
- Introduction: Phytohaemagglutinin (PHA) and alpha-ketoglutaric acid (AKG) in growing rats stimulate a change in the proportion of N excretion via urine and faeces, in favour of faecal excretion. The aim of the study was to investigate the effect of oral supplementation of PHA and AKG on pathways of nitrogen excretion and serum levels of urea in uraemic conditions induced by nephrectomy. Material and methods: Experiment 1 - 12 rats were assigned to one of two groups, control and PHA. Experiment 2 - PHA was administered to 36 male rats which were assigned to 4 groups: 1) uraemic control, 2) uraemic + AKG, 3) Shamoperated, 4) Sham-operated + AKG. AKG was administered via drinking water, while PHA was administered via a stomach tube. Results: Lower daily weight gain (P<0.05), increase in small intestine and total GI tract weight (P<0.05) as well as significant reduction in N excretion in urine in the PHA group were observed (P<0.05). Significantly higher daily weight loss in the uraemic rats, compared to that of the sham-operated rats, was observed (P<0.05). A significant increase in N excretion in faeces was observed in the AKG group, compared to control within the sham-operated rats (P<0.05) and when compared to the uraemic rats (P<0.05). in both sham-operated and uraemic rats, AKG treatment led to a significant reduction in the urea levels (P<0.05). Conclusions: The change in the proportion of N excretion via urine and faeces caused by PHA due to increasing the rate of protein production in the intestinal wall, apparently favouring faecal excretion, can be enhanced by the oral administration of AKG.
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- Mazidi, Mohsen, 1989, et al.
(författare)
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Prevalence of childhood and adolescent overweight and obesity in Asian countries: A systematic review and meta-analysis
- 2018
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Ingår i: Archives of Medical Science. - : Termedia Sp. z.o.o.. - 1734-1922 .- 1896-9151. ; 14:6, s. 1185-1203
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Forskningsöversikt (refereegranskat)abstract
- Introduction: We conducted a systematic review and meta-analysis to estimate the prevalence of overweight and obesity in children (aged 5-12 years) and adolescents (aged 12-19 years) in Asian countries. Study design: Systematic review and meta-analysis. Material and methods: We comprehensively searched specialised databases for relevant studies conducted in Asian countries between January 1, 1999, and May 30, 2017. Random effects models (using the DerSimonian-Laird method) and generic inverse variance methods were used for quantitative data synthesis. Sensitivity analysis was conducted using the 'leave-one-out' method. Heterogeneity was quantitatively assessed using the I2 index. Systematic review registration: CRD42016033061. Results: Among 22,286 identified citations, 41 studies met the inclusion criteria with n = 71,998 and n = 353,513 for children and adolescents. The pooled prevalence (overall, boys and girls) was 5.8% (n = 4175), 7.0% (n = 2631) and 4.8% (n = 1651) for obesity in children aged 5-11 years; 8.6% (n = 30,402), 10.1% (n = 17,990) and 6.2% (n = 10,874) for obesity in adolescents age 12-19 years. For overweight in children the values for overall, boys and girls were 11.2% (n = 7900), 11.7% (n = 4280) and 10.9% (n = 3698) respectively; and for overweight in adolescents, 14.6% (n = 46,886), 15.9% (27,183), and 13.7% (20,574). These findings were robust in sensitivity analyses. In children and adolescents a higher percentage of boys than girls are obese (children = 7.0 vs. 4.8%, adolescents = 10.1 vs. 6.2%, p < 0.001, respectively). Furthermore, in children and adolescents a higher percentage of boys than girls are overweight (children = 11.7 vs. 10.9%, adolescents = 15.9 vs. 13.7%, p < 0.001, respectively). Conclusions: In view of the number of children who are overweight or obese, the associated detrimental effects on health, and the cost to health-care systems, implementation of programmes to monitor and prevent unhealthy weight gain in children and adolescents is needed throughout Asian countries.
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- Pierzynowska, Kateryna, et al.
(författare)
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Pancreatic-like enzymes of microbial origin restore growth and normalize lipid absorption in a pig model with exocrine pancreatic insufficiency
- 2018
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Ingår i: Archives of Medical Science. - : Termedia Sp. z.o.o.. - 1734-1922. ; 14:2, s. 407-414
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Tidskriftsartikel (refereegranskat)abstract
- Introduction: The standard therapy for exocrine pancreatic insufficiency (EPI) is porcine-derived pancreatic enzyme replacement therapy (PERT). In the present study we tested a new approach with a mixture of pancreatic- like enzymes of microbial origin (PLEM) in a 1-week efficacy study in EPI pigs. In addition to the conventionally used coefficient of fat and nitrogen absorption (CFA and CNA), parameters that more accurately reflect the nutritional and health status, such as changes in the lipemic index (LI), plasma triglyceride (TG) and non-esterified fatty acid (NEFA) levels, and somatic growth, were determined. Material and methods: A PLEM dose containing 120 000 active lipase units, 80 000 active protease units and 12 000 active amylase units (all from Sigma, St. Louis, MO) was given as a powder, twice daily with a meal (40 g fat/ meal) to 8 EPI pigs for 7 days. Ten healthy pigs were used as a comparator. Results: The PLEM enhanced fat and protein digestion, and reversed growth impairment in EPI pigs. With treatment, CFA and CNA increased by 59% and 43% (p < 0.05), respectively. Although fat and protein absorption were lower than in the comparator, the postprandial blood lipid profile was normal as in healthy pigs. The mucosal thickness significantly increased by 27%, 50% and 26%, in the proximal, middle, and distal jejunum (p < 0.05) with treatment and resembled that of healthy animals. Conclusions: Pancreatic-like enzymes of microbial origin supported somatic growth and normalized the postprandial lipid profile. As a measure of efficacy, postprandial LI, TG and NEFA are viable endpoints to be explored in human trials.
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- Wang, LJ, et al.
(författare)
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Effect of Toll-like receptor 4 deficiency on clinical severity and expression of Th1/Th2/Th17-associated cytokines in a murine model of experimental autoimmune neuritis
- 2023
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Ingår i: Archives of medical science : AMS. - : Termedia Sp. z.o.o.. - 1734-1922 .- 1896-9151. ; 19:4, s. 1145-1150
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Tidskriftsartikel (refereegranskat)abstract
- The aim was to observe the effect of Toll-like receptor 4 (TLR4) deficiency on clinical severity and expression of Th1/Th2/Th17-associated cytokines in experimental autoimmune neuritis (EAN).Material and methodsWe selected C57BL/10 wild type (WT) mice and TLR4 knockout (KO) mice with the C57BL/10 background for induction of the EAN model by immunizing mice twice (days 0 and 8) via subcutaneous injection of 180 µg P0 peptide 180–199 emulsion in 25 µl of PBS and 0.5 mg Mycobacterium tuberculosis (Difco, USA) in 25 µl of Freund’s incomplete adjuvant into the back of mice. The concentrations of serum cytokines (IL-2, IL-4, IL-6, IL-10, IL-17A, IFN-γ and TNF) were determined using the Ms Th1/Th2/Th17 CBA kit.ResultsWe found that TLR4 deficiency could attenuate the clinical severity and delay the onset of EAN. Moreover, our data showed that the sera levels of IFN-γ, TNF, IL-6 and IL-17A were elevated in the WT mice with EAN when compared with the naive WT mice, but only the production of IL-17A was significantly lower in the TLR4 KO mice with EAN than in their WT counterparts.ConclusionsBased on these findings, TLR4 may contribute to the pathogenesis of EAN by regulating Th17 cells and the production of Th17-associated factors. However, the exact mechanism remains unclear and more evidence is needed to elucidate its role in EAN.
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