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Fasting to stop suffering in advanced dementia.

ABSTRACT: Many healthcare providers think withholding food and fluids from advance dementia patients, even if those patients requested that when competent, is immoral. This means such patients suffer unnecessarily long. Patients have the ethical right when capacitated to specify that they want assistance with food and drink stopped when they have advanced dementia. Physicians should implement these patient choices when advance dementia patients can no longer feed themselves. In some states there may be legal barriers to this practice. The perpetual placement of food and drink within reach of patients who are unable to feed themselves is futile, so there is no need for it. The best way for persons concerned about suffering in advanced dementia is to add a supplement to one's advance directive specifying under what circumstances one wants food and fluids assistance stopped.

SUBMITTER: Allen WL

PROVIDER: S-EPMC10941568 | biostudies-literature | 2024 Jan-Mar

REPOSITORIES: biostudies-literature

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Fasting to stop suffering in advanced dementia.

Allen William Lawrence WL

Alzheimer's & dementia (Amsterdam, Netherlands) 20240101 1

Many healthcare providers think withholding food and fluids from advance dementia patients, even if those patients requested that when competent, is immoral. This means such patients suffer unnecessarily long. Patients have the ethical right when capacitated to specify that they want assistance with food and drink stopped when they have advanced dementia. Physicians should implement these patient choices when advance dementia patients can no longer feed themselves. In some states there may be le ...[more]

PMID: 38496718

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Project description:BackgroundThe genetic background of Growth Hormone (GH) secretion is not well understood. Mutations giving rise to a stop codon have a high likelihood of affecting protein function.ObjectivesTo analyze likely functional stop codon mutations that are associated with fasting plasma concentration of Growth Hormone.MethodsWe analyzed stop codon mutations in 5451 individuals in the Malmö Diet and Cancer study by genotyping the Illumina Exome Chip. To enrich for stop codon mutations with likely functional effects on protein function, we focused on those disrupting >80% of the predicted amino acid sequence, which were carried by ≥ 10 individuals. Such mutations were related to GH concentration, measured with a high sensitivity assay (hs-GH) and, if nominally significant, to GH related phenotypes, using linear regression analysis.ResultsTwo stop codon mutations were associated with the fasting concentration of hs-GH. rs121909305 (NP_005370.1:p.R93*) [Minor Allele Frequency (MAF) = 0.8%] in the Myosin 1A gene (MYO1A) was associated with a 0.36 (95%CI, 0.04 to 0.54; p=0.02) increment of the standardized value of the natural logarithm of hs-GH per 1 minor allele and rs35699176 (NP_067040.1:p.Q100*) in the Zink Finger protein 77 gene (ZNF77) (MAF = 4.8%) was associated with a 0.12 (95%CI, 0.02 to 0.22; p = 0.02) increase of hs-GH. The mutated high hs-GH associated allele of MYO1A was related to lower BMI (β-coefficient, -0.22; p = 0.05), waist (β-coefficient, -0.22; p = 0.04), body fat percentage (β-coefficient, -0.23; p = 0.03) and with higher HDL (β-coefficient, 0.23; p = 0.04). The ZNF77 stop codon was associated with height (β-coefficient, 0.11; p = 0.02) but not with cardiometabolic risk factors.ConclusionWe here suggest that a stop codon of MYO1A, disrupting 91% of the predicted amino acid sequence, is associated with higher hs-GH and GH-related traits suggesting that MYO1A is involved in GH metabolism and possibly body fat distribution. However, our results are preliminary and need replication in independent populations.

Dataset Information

Fasting to stop suffering in advanced dementia.

Publications

Fasting to stop suffering in advanced dementia.

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