osteoporosis
TRANSCRIPT
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OSTEOPOROSIS
ANITA SRIWATY PARDEDE SKM
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OSTEOPOROSIS
KEROPOS TULANGMASALAH KESEHATAN (KURANG DISADARI)
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Osteoporosis
• The most common metabolic bone disorder• A large, silent epidemic, afflicting the whole world• Insidious & progressive :
frequently diagnosed only after a fracture• Cause enormous socio – economic impact
( Ang, K.C 2005)
• The exact pathogenesis remains unclear• Impairement of calcium absorption is one of its
primary cause( Dechant, K.L et al 1994 )
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Osteoporosis
• Ditandai dengan:– Massa tulang yang berkurang
– Deteriorasi struktur tulang (mikroskopis)
• Tulang jadi rapuh - risiko fraktur
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MASSA TULANG
TULANG DEWASA
• PUNCAK KEPADATAN MASSA TULANG MAKSIMAL + USIA 30 TAHUN
• KONSEP MASSA TULANG RENDAH,FAKTOR RISIKO PATAH TULANGTULANG
USIA LANJUT
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TULANG :
- KEHILANGAN MASSA TULANG
WANITA : 45 – 50 %
PRIA : 20 – 30 %
PUNCAK MASSA TULANG
PEMBENTUKAN MASSA TULANG
REMODELLING TULANG
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Faktor Genetik
Bentuk tubuh, gaya hidup Status nutrisi
Menopause
Penyakit
Perubahan hormonalAkibat usia
Trauma ringan
Puncak Massa Tulang
Penurunan MassaTulang
Sangat RentanTerhadap Fraktur
Usia ( tahun )
M A S S ATULANG
Takao Suzuki, 2001
0 504020 10060 70 80
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FAKTOR RISIKO PADA OSTEOPOROSIS
TIDAK DAPAT DIMODIFIKASI• JENIS KELAMIN• USIA LANJUT (WANITA)• RAS KAUKASIA (KULIT PUTIH)• RIWAYAT PATAH TULANG
DAPAT DIMODIFIKASI• POSTUR TUBUH KURUS• JATUH BERULANG• AKTIFITAS FISIK KURANG• KEKURANGAN
ESTROGEN• KEKURANGAN KALSIUM• PEROKOK• PEMINUM ALKOHOL• TINGKAT KESEHATAN
BURUK
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Osteoporosis
KriteriaNormal Nilai BMD < 1 SD di bawah nilai rata-rata dewasa
muda
Osteopenia Nilai BMD 1 – 2.5 SD d bawah nilai rata-rata
Osteoporosis Nilai BMD > 2.5 SD di bawah nilai rata-rata
Osterporosis berat
Nilai BMD > 2.5 SD di bawah nilai rata-rata
+ ada 1 fraktur osteoporosis
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Osteoporosis in Men
A public health concern :• Age – spesific incidence of fractures is
increasing in men• Prevalence of spinal fractures are similar in
women• Over the next 15 yrs, 30 % of all hip fractures
will occur in men• Mortality after spinal & hip fractures is higher
than in women( Ebeling, P.R at al
2001 )
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Osteoporosis in Men cont’d
• As devastating as in women• Detection & treatment in men are dismal
– Not as extensively as in woman
• International Society for Clinical Densitometry, 2003 : 70 yrs : regular BMD– T score < - 2 : treatment of OP & other risk factors
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The Osteoporosis Continuum
75+ KyphoticAt risk for hip fracture
55+ PostmenopausalAt greater risk for vertebral
fracture than any other type of fracture
Healthy spine
Kyphotic spine
50 MenopausalExperiencing
vasomotor symptoms
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Fraktur Vertebra
• Fraktur vertebra terjadinya lebih awal dari fraktur lain.
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Fraktur Vertebra
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PatahTulang
Kelainan BentukNyeri KecacatanMasa TulangRendah
Kualitas Hidup
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PENCEGAHAN1. PRIMER
2. SEKUNDER
PRIMER :• NUTRISI YANG BAIK• POLA HIDUP AKTIF• HINDARI FAKTOR RISIKO• TES UNTUK DETEKSI DINI• UPAYA-2 KHUSUS :
(OBAT-OBAT TERTENTU)
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FAKTOR NUTRISI :1. CUKUP KALSIUM
2. CUKUP VIT.D
3. KURANGI FOSFAT
4. CUKUP PROTEIN
5. BATASI KAFEIN
6. HINDARI ALKOHOL
7. KURANGI GARAM, GULA
8. HENTIKAN ROKOK
POLA HIDUP AKTIF :
KURANG GERAK PROGRAM LATIHAN FISIK
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Osteoporosis Exercise Program, 1998 :
• Improve gait, balance, coordination, propioception, reaction time, and key – muscles strength prevent falls
• Increase bone – mass / preserve bone – mass prevent osteoporosis
“keep both young & older person moving”
( Oliver, D. et al. 2005 )
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PENCEGAHAN SEKUNDER :
• SUDAH ADA OP SEBELUM ADA PATAH TULANG
• PENCEGAHAN PRIMER + OBAT-2AN (ESTROGEN, BISFOSFONAT, DLL)
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JATUH PADA USIA LANJUTFAKTOR INSTRINSIK
KONDISI FISIK DAN KEJIWAAN
PENURUNAN PENGLIHATAN & PENDENGARAN
PERUBAHAN PERSYARAFAN, GAYA BERJALAN, REFLEK BERDIRI
FAKTOR EKSTRINSIK
OBAT-2AN YANG DIMINUM
ALAT-2 BANTU BERJALAN
LINGKUNGAN YANG TIDAK
MENDUKUNG
JATUH
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Falls In The Elderly
• A common problem• 30 % - 50 % 65 in the community, female > male• 70 % occurs at home, 50 % from environmental
hazard• Majority occur with mild to moderate activity• Compared with children, 10x to be hospitalized, 8x
more likely to die 10 % result in fracture, especially hip fracture• May be a non spesific presenting sign of acute
illness / acute exacerbation of a chronic disease
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Fall cont’d
• The true geriatric giant : an indication for a more detailed assessment
( Davidson, C. 2000 )
• Psychologic impact of a fall : post-fall anxiety– Fear of falling activity restriction, dependance &
increasing immobility further risk factor : muscle atrophy, poorer balance, deconditioning greater risk of falling
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Cycle of Osteoporosis
• Strong association : Osteoporosis, Fall, Fracture
must be managed together– Preventing both : osteoporosis & fall
FractureOld Age
Fall
Osteoporosis
Immobility
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KOMPLIKASI PATAH TULANGSIKLUS OSTEOPOROSIS
USIA LANJUT OSTEOPOROSIS PATAH TULANG
• ASESMEN PENYEBAB JATUH• ASESMEN PATAH TULANG YANG TERJADI
RUDA PAKSA
MOBILITAS BERKURANG
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Indonesian Rheumatic Association’s Recommendation :
Drug Treatment in Osteoporosis
Kelompok risiko tinggiAtau faktor risiko
Patah tulang denganrudapaksa minimal atau
kekurangan massa tulang
Merubah gaya hidupdiet, latihan fisik, merokok
Pengukuran kepadatan tulang(Bone Densitometri)
Diatas + 1 SD + 1 SD sp –1 SD -1 SD sp –2,5 SD Dibawah –2,5 SD
Ulang 5 th lagi Ulang 1 th lagi Estrogen
Estrogen Bisfosfonat Kalsitriol Kalsitonin
Source : Harry Isbagio et al 2002
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Calcitriol
• Photosynthesis of vitamin D :– Occurred on earth, over 750 millions years– Vertebrates, including human, obtain most of their vit. D,
from exposure to sunlight– Sunlight :
• High energy ultraviolet B radiation : photolysis 7 dehydro calciferol pre vit D3, leaves the epidermal cell membrane circulation
• Requires two hydroxylations processes in the liver & kidney biologically active metabolite :
1.25 (OH)2 D3
“CALCITRIOL”
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The Primary Role of Calcitriol
• The main regulator of intestinal calcium absorption active absorption
• Responsible for calcium homeostasis & mineralisation of the bone
• Stimulate bone spesific protein’s production : osteocalcin
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Charaterizes of Type II OP
• Decreased calcium absorption, particularly 70 yrs :Age – related decline in serum levels of calcitriol :– Decreased capacity of the ageing skin to synthezise
vit. D3
– Decreased renal hydroxylase activity with ageing– Decreased osteoblast function
calcitriol is the logical course of treatment in the elderly
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UPAYA PENCEGAHAN
& PENGOBATAN
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Never too late to Prevent a Fracture