fisiologi ii-fisiologi geriatri

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fisiologi

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Geriatri geros : lanjut usia aitrea : merawat/merumat

Pertama digunakan oleh Ignas Leo Vasher (1909)Berkembang di Inggris th 1935 oleh Marjorie Warren

Ukuran usia kronologik, WHO >60 thn usia biologik,

kematangan mental Ageing proses menghilangnya secara perlahan

kemampuan jaringan untuk memperbaiki diri dan mempertahankan struktur dan fungsi normalnya sehingga tidak dapat bertahan terhadap jejas dan memperbaiki kerusakan yang diderita (Contantinides,1994)

banyak teori menua : genetic clock, error catastrope, kerusakan sistem imun, wear & tear, free radical, metabolisme, dll

Kadang sukar dibedakan manakah yang disebabkan oleh proses menua semata-mata, atau disebabkan oleh penyakit yang menyerang secara kebetulan di masa tua

Problem menua perubahan struktur dan fungsi

“1% rule” fungsi organ akan menurun sebanyak satu % tiap tahun setelah usia 30 tahun (Andres and Tobin)

Penurunan fungsional yang nyata setelah usia 70 tahun (Svanborg dkk)

Usia tua ≠ berpenyakitan/pesakitan

Menua Patologik vs Fisiologik ???

It is not always possible to differentiate normal aging from disease.

Many of the normal changes of aging do not cause clinically significant declines in function.

Age-related changes that affect function are noticed most often by older adults in vision, hearing, memory and bladder (e.g., nocturia, frequency).

For the most part, changes in the cardiovascular, respiratory, and gastrointestinal do not affect the ordinary activities of a healthy older adult.

The immune system is impaired with age and older adults are more vulnerable to infections which can result in death and disability.

"How old would you be if you didn't "How old would you be if you didn't know how old you was?“know how old you was?“

--Satchel PaigeSatchel Paige

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