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Current Trends in Nursing I01:28

Current Trends in Nursing I

Current trends in nursing include:
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...

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関連する実験動画

人口の高齢化:今後の課題

Kaare Christensen1, Gabriele Doblhammer, Roland Rau

  • 1Danish Ageing Research Centre, University of Southern Denmark, Odense, Denmark. kchristensen@health.sdu.dk

Lancet (London, England)
|October 6, 2009
PubMed
まとめ
この要約は機械生成です。

先進国で生まれたほとんどの赤ちゃんは100歳まで生きる可能性があり,高齢化人口は潜在的に障害なしに長生きする可能性があります. 研究によると,老化は修正可能であり,将来の社会課題への希望をもたらしています.

関連する実験動画

科学分野:

  • デモグラフィー デモグラフィー 人口統計
  • ゲロントロジーはゲロントロジーの学科です.
  • 公衆衛生は公衆衛生である.

背景:

  • 世界の平均寿命は,過去2世紀に大幅に増加しました.
  • 発展途上国は,低生育率と長寿の増加により,人口高齢化に直面しています.
  • 重要な質問は,寿命の延長が健康の延長と相関しているかどうかです.

研究 の 目的:

  • 平均寿命の継続的な増加がもたらす影響を調査する.
  • 長寿と機能的限界との関係を調査する.
  • 修正可能な老化プロセスが人口の老化に影響を与える可能性を評価する.

主な方法:

  • 先進国における人口動態の分析.
  • 老化プロセスと機能的制限に関する研究のレビュー.
  • 将来の平均寿命と健康のシナリオを予測する.

主要な成果:

  • 平均寿命の継続的な増加は,2000年以降に生まれた多くの人々が100歳に達する可能性があることを示唆しています.
  • 先進国の人口は,人口動態の変化により老化しています.
  • 新興の研究は,老化プロセスは修正可能であり,より長い障害のない生活を可能にする可能性があることを示しています.

結論:

  • 長寿は増加しているが,同時に障害の延期は依然として未解決である.
  • 修正可能な老化プロセス,医療の進歩,社会的適応は,高齢化人口の課題に対処するために不可欠です.
  • 将来の社会構造は,より長く,より健康的な寿命をサポートするために適応する必要があります.