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    T y r o i d

    Dr. M a h a t m a SpPDSMF Penyakit Dalam FK UMS

    SURAKARTAEAGLE FLIES ALONE, MHT

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    The hypothalamic-hypophyseal-thyroid axis

    Mind its feedback mechanism

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    THIOCYANATES

    (CYANOGENIC

    GLYCOSIDES)

    THIOGLYCOSIDES:

    GOITRIN

    ISOTHIOCYNATES

    DISULFIDES

    WATER BORNE

    GOITROGENS

    IODIDE(SEAWEEDS)

    COAST GOITER

    IODIDE

    TRANSPORT

    OXIDATIONORGANIC BINDING AND

    COUPLING

    PROTEOLYSISRELEASE AND

    DEHALOGENATION

    MITDIT

    T4T3

    MITDIT

    I- I- (I )20

    T4T3

    I-

    THYROGLOBULIN

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    Schematic representation of timing of mature formative events in the human brain

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    HORMON TIROID

    HIPOFISIS

    METABOLISMEPERTUMBUHAN

    OTAK : - Kecerdasan

    - Saraf

    MASUKAN

    IODIUM

    PENGELUARAN

    IODIUM

    TSH

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    PENDEKATANPENDERITA STRUMA

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    Anamnesis Sejak kapan

    Nyeri spontan/ tidak

    Nyeri berpindah

    Membesar cepat / lambat

    Keluarga

    Radioterapi Perubahan suara

    Tanda toksik

    Dx fisik Morfologi

    Nodosa : multi/tunggal

    Difusa

    Nyeri

    Keras, kenyal, kistik, berbenjol

    Melekat dengan sekitar Pendorongan trakea

    Pembertons sign

    Bising (bruit)

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    Struma difusaToksik: 1. Graves, 2. Hashimoto

    Gejala dan tanda klinik toksik

    Indeks New Castle

    Indeks Wayne

    Non toksik(hipotiroidisme atau eutiroidisme)

    Struma endemik

    Hashimoto

    Dishormonogenesis

    Iatrogenik

    OAT

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    Goitre associated with autoimmunity

    Most with Graves disease

    80% have a diffuse goitre

    TSH receptor autoantibodies

    15% with Hashimoto disease

    Majority have atropic hypothyroidismAccumulation of lymphocytes in the thyroid

    gland

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    Multi nodular goitre

    More prevalence in elderly, female,genetic background

    Scintigram most varied, follicle withscattered necrotic area, connectivetissue strands, cyst and evencalcifications

    Only few nodules have a true adenoma

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    Tanda khas keganasan tiroid

    Tumbuh dengan cepat dan sakit Riwayat keluarga kanker tiroid Riwayat radiasi leher masa anak-anak Suara serak Keras Melekat sekitar Limpadenopati Paralisis pita suara

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    Pemeriksaan penunjang

    Sidik tiroid (Scintigrafi)

    USG (ultrasonografi) Biopsi jarum halus (FNA)

    Petanda tumor (marker)

    Biokimiawi

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    Sidik tiroid

    Yodium radioaktif

    Menilai fungsi dan anatomi Nodul dingin :penangkapan yodium kurang dari sekitarnya

    Nodul hangatpenangkapan yodium sama dengan sekitarnya

    Nodul panaspenangkapan yodium lebih banyak dari sekitarnya

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    Hot, warm and cold spots

    Scintigraphy with radioIodine, shows the function

    of the respective gland

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    Ultrasonografi

    Padat atau cair

    Tidak bisa menilai fungsiKista tiroid

    Adenoma tiroid / nodul padatTiroiditis

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    Biopsi aspirasi jarum halusJarum suntik no 22 27

    Aman, tidak nyeri,dilakukan di poliklinik

    Kista : guna untuk diagnostiksekaligus terapeutik

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    Biokimiawi

    Kadar Free T4 plasma (peranantiroglobulin)

    Kadar TSHs plasmaTiroglobulin plasma CalsitoninAntibodi mikrosomal (TPO) Antibodi tiroglobulin (TGO)

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    Subtotal Thyroidectomy.

    Isthmus and majority of the oppositelobe

    Indikasi

    small

    non-aggressive thyroid cancers

    substernal goiters

    http://www.endocrineweb.com/sternal.htmlhttp://www.endocrineweb.com/sternal.html
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    Total Thyroidectomy.

    Remove all of the thyroid gland.

    Choice for all thyroid cancers

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    IDD Global Magnitude (1996)

    1. At least 1572 million were at risk of IDD

    2. At least 655 million affected by goiter ( 27% SEA

    15% Europe, 22% Western Pasific etc )

    3. Est imated 43 m i l lion people affected by somedegree of IDD-related b rain damage

    4. IDD is regarded as P.H. problem in 118 countries

    5. IDD is the main cause of potential ly preventable

    mental retardation .

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    HORMON TIROID

    HIPOFISIS

    GONDOK METABOLISMEPERTUMBUHAN

    OTAK : - Kecerdasan

    - SarafKRETIN

    HIPOTIROIDI

    MASUKAN

    IODIUM

    PENGELUARAN

    IODIUM

    TSH

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    Apakah GAKI itu ?

    Gangguan Akibat Kekurangan Yodium /

    Gondok endemik

    Kekurangan yodium bukan hanya gondoksaja, namun ada efek yang lebih jauh

    Gondok endemik : bukan hanya kekuranganyodium saja.

    Misalnya ggn nutrisi, goitrogen, genetik

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    Mengapa GAKI

    dipermasalahkan ?

    Gangguan yang ditimbulkannya sangat

    banyak dan luas Jumlah penderita masih banyak

    Penyakit ini sebenarnya

    dapat dicegah

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    Akibat GAKI

    pada manusia ?

    Yodium : bahan dasar mutlak hormon tiroksin

    Tiroksin : pada masa pertumbuhan penting padaperkembangan fisik dan syaraf (otak) Penting saat masa fetus, masa kehamilan, masa

    bayi, masa anak, masa remaja. Dampak kekurangan :

    1. Kretin endemik2. Kretin neurologik

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    Gambaran klinis kretinisme

    A. Kretin endemik dan Kretin neurologik :Lahir di daerah kekurangan yodium, dngdua atau lebih dari :

    1. Gangguan kecerdasan2. Tuli simetrik tipe sensorik3. Kelainan saraf (gangguan jalan,

    gangguan bicara, refleks

    patologik kelambatan jalan)B. Keduanya irreversibel, permanen, tidak

    dapat diperbaiki dengan obat apapun.

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    f DD

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    Spectrum of IDD:

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    SPEKTRUM GAKI

    Fetus Anak dan remaja Abortus * Gondok Lahir mati * Hipotiroidisme juvenil Anomali kongenital * Ggn fungsi mental

    Kematian perinatal * Ggn perkembangan fisik Kematian anak Kretin endemik Kretin miksedematosa Defek psikomotor

    Neonatus Dewasa Gondok neonatus * Gondok dng akibatnya Hipotiroidisme neonatus * Hipotiroidisme

    * Gangguan fungsi mental

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    B h n b k

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    Bahan bakuyodium manusia

    Tanaman, air tanah yang mengandung yodium(kecuali terkikis)

    Kebutuhan : 100-300 mikrogram sehari Harus cukup terus menerus sepanjang hidup

    Makin berat kekurangannya, makin beratmanifestasi klinisnya

    Tolok ukur :Kadar yodium urine

    Kadar yodium dalam darahTangkapan radioaktif oleh leherJumlah klinik gondok di masyarakatJumlah kretin endemik di masyarakat

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    KRITERIA ENDEMIK

    ENDEMIK GRADE I (RINGAN)

    UEI > 50 ug I/gr kreatinin

    ENDEMIK GRADE II (SEDANG)UEI 25 - 50 ug I/gr kreatinin

    ENDEMIK GRADE III (BERAT)UEI < 25 ug I/gr kreatinin

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    SURVEY EPIDEMIOLOGI

    KRITERIA PEREZ, 1960Grade O : tidak teraba

    Grade I : teraba dan terlihat dengankepala ditengadahkan

    I a : tidak teraba / jika terabatidak lebih besar dari tiroidnormal

    I b : jelas teraba dan membesar,umumnya tidak terlihat walau

    kepala tengadahGrade II : mudah dilihat dengan posisi

    biasaGrade III : terlihat dari jarak tertentu

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    Wanita hipotiroidisme hamil

    bagaimana ?

    Harus mendapat terapi substitusitiroksin

    Dipantau dengan TSH bukan denganFT4

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    Apakah ada hubungan antaraberatnya endemik dengan

    beratnya gangguan ?

    Ya Makin berat endemik, makin tinggi

    prevalensi gondok, makin banyakkretinisme

    Mengingat : kretinisme adalah

    irreversibel Maka : harus garam beryodium Alasan : kebutuhan sehari-hari

    konsumsinya tertentu

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    Pemberian garam beryodium akanmerubah apa saja ?

    Prevalensi gondok menurun Komplikasi metabolik membaik Hipotiroidisme normal kembali Gangguan pendengaran berkurang Tidak lahir bayi kretin lagi Putus sekolah menurun Refleks abnormal anak menghilang Rekaman otak membaik Angka kematian bayi menurun Perbaikan gangguan kecerdasan

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    Berapa lama diberikan garam

    beryodium ?

    Terus menerus,sepanjang hidup

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    ENDEMIC CRETINISM

    1. Epidemiological aspect iod ine defic iency2. Clinical aspects neurolog ical and myxedematous3. Pathologic aspects intrauter ine and irreversible

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    Table.2. Symptomatologyof endemiccretinism from Sengi and Papua NewGuinea (in%)

    Sengi Papua

    A. Hearing loss 93 93.6

    Deaf-mutism 12 79.9

    B. Mental retardation 95 >90

    C. Neuromotor abnormalities 76 79.9

    Impaired speech 37 13.7Specific gait 46 ?

    Elevated reflexes 29 40

    Babinsky sign 5

    Squint 2 25.5

    Later walker 22

    D. Clinical hypothyroidism 29 0

    Short stature 29 10-50E. Goiter 70 10-50

    ____________________________________________________

    Djokomoeljanto 1974, Pharoah 1972.

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    Endemic cretinism

    a.Neurological endemic cretinism

    Mental retardation , deaf-mutism

    Hearing lo ss bi lateral percept ive

    spast ic diplegia, squ int etc

    b. Myxedematous endemic cretinism

    Dwarf ism , mental retardat ion,

    hypothyro id ism

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    HypothyroidismClinical hypothyroidism

    29% in cretins

    17% in n on cretinous

    Biochemical hypothyroidism

    41% in cretins

    27% in n on cretinous

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    Spectrum of Iodine Deficiency Disorders (I)

    Fetus Abortions, Stillbirths, Congenital

    abnormalities, Increased perinatal mor

    tality, Increased infant mortality,

    Neurologicalcret in ism:mental def, deaf

    mutism, spastic diplegia, squintMyxedematouscret in ism: dwarfism ,

    mental deficiency, hypothyroidism

    Psychomotor defects

    Neonate Neonatal goiter, Neonatal hypothyroidism

    Increased susceptibility to nuclear radiation

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    One mililiter of iodinated oil injection reversed thefate of the whole family

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    Diagnosis: fungsi, anatomi, etiologi

    Sinonim :morbus Basedow , morbus Parry

    Pengertian :

    a. hipertiroidisme

    b. tirotoksikosis

    MORBUS GRAVES

    Causes of Hyperthyroidism

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    Main causesGraves disease and variants

    toxic multinodular goitre

    toxic nodule

    Rarer causesJod-Basedowdisseminated thyroid autonomythyroiditis:

    de Quervains

    silentfactitioushypothalamicpituitary:

    with or without apituitary tumour

    post-partum:probably variant

    of silentmolar pregnancyChoriocarninoma

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    Organ-Spesific Autoimmune Disease

    chronic hepatitis

    Hashimotos disease

    myxoedema

    lymphocytic thyroidistis

    Graves disease

    pernicious anaemia

    Addisons disease

    hypoparathyroidism(some forms)

    diabetes mellitus (some

    forms)

    vitiligo

    premature ovarian failure

    allergic alveolitis

    Table of the organ-spesific autoimmune diseases. All of these disorderss

    are characterised by the presence of circulating antibodies and lymphocytic

    infiltration of the gland or tissue

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    Hipertiroidisme

    Tirotoksikosis

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    A COOH

    TSH

    TSHR antibody

    B COOH

    TSH and TSHR-Ab induced activation. Although similar conformational changes are

    assumed to apply in these cases, the extent of similarity with whole and cleaved

    receptor remains to be established (Graves 2000)

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    pathogenesis of Graves Opthalmopathy

    Mechanism of IGO protrusion and oedema with fibrous tissues

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    Gejalah serta tanda hipertiroidisme pada penyakit Graves

    Sistem Gejala dan tanda Sistem Gejala dan tanda

    Umur tak tahan hawa panas Susunan saraf pusat labil, intitabelHiperkinesis, bapai, berat badan psikosis, tremor, nervo-

    Menurun, percepatan pertumbuhan sitasperiodic paralysis

    Drug tolerance, youthfullness (*)

    Gastrointestin hiperdefekasi, kelaparan, makan Cardiorespirasi dyspnoea, hipertensi

    Banyak, haus, muntah aritmi, palpitasi, gagal

    jantung

    Muskular rasa lemah Darah / limfatik limfositosis, anemia

    Genitourinaria oligomenoroe, amenoroe Splenomegali

    Libido menurun pembesaran l.n.leher

    Kulit rambut rontok, berkeringat Skelet osteoporosis

    Kulit basah, onycholysis epifisis cepat menutup

    Nyeri tulang

    Spesifik untuk penyakit Graves, ditambah :

    Optalmopati (50%) udema pretibial, kemosis, proptosis, diplopia, visus < ulkus kornea

    Dermopati (0.5-4%)Akropaki ( 1 % )

    Sumber McDougall.1991. Huruf miring jarang * hampir khusus bagi Oriental.

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    Classical and the many faces of Graves disease

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    Classical and the many faces of Graves disease

    Asymmetrical opthalmopathy DD: retroblubar tumor

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    Asymmetrical opthalmopathy, DD: retroblubar tumor

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    Lid retractionExopthalmos

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    Clinical signs Laboratory tests

    diffuse goitre

    eye signs thyroid-stimulating antibodies(TSAb)

    localised myxoedema

    acropachy thyroglobulin antibodies (TgAb)

    (anti-Tg Ab)vitiligo

    family history microsomal antibodies

    (anti-M Ab)

    Diagnosis of Graves Disease

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    Diagnos is kl inis kecurigaanhipertiroidisme:

    Indeks Wayne

    Indeks New Castle

    Diagnosis past idengan memeriksa :

    kadar hormon beredar (T4, fT4, T3, fT3, TSH )

    nilai tangkap yodium radioaktif leher ( )etiologi : antibodi, ultrasonografi, scintigrafi

    I d k di tik kli ik WAYNE

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    Indeks diagnostik klinik WAYNE

    (eutiroidisme hipertiroidisme)

    Gejala yang baru timbulatau bertambah berat

    Skor Tanda tanda Skor

    ada tidak ada tidak

    Sesak bila bekerjaBerdebar debarKelelahanLebih suka udara panasLebih suka udara dinginTak dipengaruhi suhuKeringat berlebihanKeguguranNafsu makan bertambahNefasu makan kurangBerat badan naik

    Berat badan turun

    +1+2+2

    +5-+3+2+3

    +3

    -5

    -

    -3-3

    -

    Kelenjar tiroid terabaBisig klenjar tiroidExophtha;mosKelopak mata tertinggalGerakan hiperkinetikTremor halus jariTangan yang panasTangan yang basahFibrilasi atriumNadi teratur- < 80 /menit

    - 80-90 /menit- > 90 /menit

    +3+2+2+1+4+1+2+1+4

    0+3

    -3-2

    -2

    -2-1

    -3

    0

    Wayne EJ. Brit Med J 1:78, 1960. Hiper: >20,

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    Indeks diagnostik klinik NEW CASTLE

    Item Grade Score Item Grade Score

    Age of onset 15-2425-3435-44

    048

    Age of onset 45-55> 55

    1216

    Psychologicalprecipitant

    PresentAbsent

    -50

    Exopthalmos PresentAbsent

    90

    Frequent checking Present

    Absent

    -3

    0

    Lid retraction Present

    Absent

    2

    0Severe anticipatory

    anxietyPresentAbsent

    -30

    Hyperkinesia PresentAbsent

    40

    Increased appetite PresentAbsent

    50

    Fine finger tremor PresentAbsent

    70

    Goitre Present

    Absent

    3

    0

    Pulse rate > 90 / m 16

    Thyroid bruit PresentAbsent

    180

    Pulse rate 80-90/m< 80/m

    80

    Euthyroid range11 to +23, doubtful range + 24 TO + 39, toxic range +40 to +80.

    Gurney, Owen, Hall et al. Lancet ii: 1275, 1970.

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    Membedakan morbus Graves dengan sebab lain

    dengan menggunakan uji tangkap 1-131

    Tinggi Rendah

    Morbus Graves Masukan tiroksin berlebihan

    Gondok Noduler toksik tunggal medikamentosa, faktisiaGondok Multinodulaer toksik health food, hamburger mix

    Thyroiditis Silent, Postpartum,

    De Quervain, Ca infiltratif

    Sebab lain : mola, struma ovarii. TSH

    Secreting tumor, metasis Ca follic

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    Treatments available

    For Graves disease

    medical

    surgical

    radioiodine

    Methods of treating Graves disease. Graves disease may be

    treated with antithyroid drugs, by partial thyroidectomy or by

    means ofradioiodine

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    Indication for Medical

    Treatment

    patient preference

    small goitre

    mild disease

    other disease

    children

    pregnancy

    opthalmopathy

    pre-operative

    pre-radioiodine

    thyrotoxic crisis

    relapse after thyroidectomy

    Antithyroid Drugs

    carbimazole

    methimazole

    propylthiouracil (PTU)

    potassium perchlorate

    lithium

    iodides

    proppanolol

    sodium ipodate

    Indication for Medical Treatment in

    Graves disease

    Table of anthithyroid drugs.

    Carbimazole is the drug of choice in Europe.Some clinicians add thyroxine to the

    carbimazole in a blocking-replacement

    regime, once the patient is clinically

    euthyroid. Carbimazole is rapidly converted

    to methimazole (10 mg carbimazole = 6 mg

    methimazole)

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    MMI, PTU

    I- I+

    transpor Oxidative

    iodination

    T1 T2

    Coupling

    T3 T4

    release

    I2

    Li

    Rantai peptid tiroglobulin

    operasi SEL TIROID I131

    T4

    T3

    PTUpropanlol

    Na-ipodate

    C.steroid

    T3Sel somatik

    Beta-blocker

    Skema hormonogenesis dan efek pengobatan

    M k i k j b t l ti id

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    Mekanisme kerja obat golongan tionamide

    INTRATIROIDAL

    1. Menghambat yodinasi tiroglobulin dengan mencegah yodium

    tiroksidasi dari residu tirosin

    2. Menghambat reaksi coupling yodotirosin > yodotironin

    3. Mengikat tiroglobulin dan merubah strukturnya (?)

    4. Menghambat sintesis tiroglobulin (?)EXTRATIROIDAL

    1. Menghambat konvesi T4 > T3 di perifer (hanya PTU)

    2. Mempengaruhi sistem imun.

    a. mengurangi respon limfosit in vitrob. mengurangi kadar titer autoantibodi tiroid

    c. menormalkan aktifitas sel supresor

    d. dapat langsung mengenai autoimunitas intratiroidal

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    Guna beta blockers pada hipertiroidisme

    Telah terbukti pada:pelengkap pengobatan OAT

    pelengkap pengobatan radioiodine

    pada krisis tiroid

    selama dilakukan tes diagnostik

    Kemungkinan penggunaan lain:

    persiapan tiroidektomi

    sebagai obat tunggal tirotoksikosis

    sebagai obat tunggal pada kehamilan

    pengobatan hiperkalsemia pada tirotoksikosis

    pada hipertiroidi neonatal

    - pengobatan /pencegahan thyrotoxic periodic paralysis

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    Dosis awal dan maintenance OAT yang sering digunakan

    Obat Dosis awal (mg) Maintenance (mg)

    Neomercazol 30-60 5-20 (10)Methimazol 30-60 5-20 (10)

    Propiltiourasil 200-600 50-200 (100)

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    Metoda pemberianA. Decrementalcara tritasi, dosis makin menurun

    sesuai dengan respons pasien

    B. Block-suplemen.Obat diberi hingga ada supresi dan

    Ablasi, kemudian diberi suplemen dosis fisiologis.

    Cara ini tidak dianjurkan ada wanita hamil.

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    Indications for surgical treatment

    Abso lu te 1.suspicious of harboring malignancy

    2.pregnant case uncontrolled with ATD/ allergy

    3.wish to be pregnant soon after treatment

    4.compressive symptoms, reject RAI exposure

    Relative 1.poor compliance

    2.rapid control is desired

    3.patient with Graves opthalmopathy

    4.larger/ goiter with low uptake

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    Indication for, and Complications of, Radioiodine Treatmen

    Indications

    patient preference

    patients over 45 years

    treatment choice for recurrence afterthyroidectomy

    severe uncontrolled disease

    large goitre

    poor patient cooperation

    presence of other disease

    Complications

    permanent hypothyroidism

    transient hypothyroidism

    thyroiditis

    sialadentis

    thyrotoxic crisis

    nodule formation

    malignancy (not proven)

    Indication for radioiodine therapy and associated complication. Radioiodine is the mosteffective treatment in cases of recurrence after surgery. It is suitable for older patients in severe disease,

    and when patient cooperation is poor. Radioiodine is also useful in the presence of other disorders. The

    only problematic complication is hypothyroidism, which is relatively easy to control.

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    - high relapse rate

    - longterm treatment with

    tight control by doctor

    - surgical expertise

    necessary

    - morbidity exist

    - 40% hypothyroid within

    10y

    - slow clinical action

    - 50% hypothyroids post-

    radiation

    Possibility to obtain

    remission in the long run

    without hypothyroidsm

    - substantial number of

    cases remit (euthyroid)

    - relatively quick and

    simple- relapse is relatively

    scarce

    - simple- rarely relapse (depends

    on the dose)

    Anti Thyroid Drugs

    Thyroidectomy

    Radio Active Iodine ( I131)

    DisadvantagesAdvantagesMode of treatment

    Advantages and disadvantages of treatment

    modalities in Graves disease

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    Graves dan kehamilan.

    T4 ,T3 amat sedikit sedang TSAb dan PTU lewat plasenta

    Hipotiroidisme fetus perlu dihindari

    200 mg PTU masih tidak memberi dampak jelek

    Deteksi hipotiroidisme fetus :

    a. Nadi janin normal sekitar 120-150/m

    b. >150 mungkin hiper dan < 120 mungkin hipotiroidi.

    c. Dengan serial USG, melihat besar janind.Menentukan bone age

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    Trias krisis tiroid hipertermi, kesadaran turun, gejala

    toksikosis meningkatCheck dengan indeks klinik Burch-WartofskyTidak ada indikator kimiawi yang memadaiFaktor presipitas krisis tiroid

    Medikal Surgikal

    Infeksi Pembedahan tiroid

    Emboli paru Operasi besar

    Ketoasidosis diabetik Operasi minor

    Kelebihan hormon tiroid Ekstraksi gigi

    Terapi dengan 1- 131 MelahirkanIodium (obat. zat warna ) Dilatasi. kuretase

    Strok

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    Prinsip pengobatan krisis tiroid

    1. Cairan dan oksigen

    2. Menurunkan kadar hormon (sol Lugol, PTU)

    3. Mengelola hipertermijangan asp ir in

    4. Memberi corticosteroid

    5. Inderal atau betablocker non spesifik lain

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    Indeks klinik krisis tiroid BURCH WARTOFSKY

    Thermoregulatory dysfunction

    Temperature 99-99.9 F 5100-100.9 10

    101-101.9 15

    102-102.9 20103-103,9 25

    140 30Central nervous system effects

    Absent 0Mild (agitation) 10Moderate(delirium,psychosis,letargy 20Severe (seizure, coma) 30Gastrointestinal hepatic dysfunctionAbsent 0Moderate(diarrhea,vomit, abdpain) 10

    Severe (unexplained jaundice) 20

    Cardiovascular dysfunction

    Tachycardia 99 109 5110 119 10120 - 129 15130 - 139 20

    140 25Congestive heart failureAbsent 0

    Mild (pedal edema) 5Moderate ( bibasilar rales) 10Severe (pulmonary edema) 15Atrial fibrillation Absent 0

    Present 10Precipitant historyNegative 0Positive 10

    For severe thyrotoxicosis award the highest score, with intercurrent illness choose which favor the

    diagnosis of thyroid storm . Score 45 highly suggestive, 25-44 suggestive impendingand below 25 is

    unlikely to respresent thyroid storm. Note: hyperthermia, consciousness, toxic signs

    Burch HB, Wartofsky L., Endocrinol Metab Clin North Am, 22 : 263, 1993

    Hypothyroidism

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    yp y

    1. decrease function of thyroid gland2. the effect of thyroid hormone in tissues

    a. Central (secondary or tertiary)

    b. Primary (thyroid gland itself)Primary: (a) postoperative, (b) postradiation (c)

    autoimmune, (d) postpartum thyroiditis (e)

    de Quervains, (f) dyshormonogenesis (g)carcinoma thyroid, (h) transient and (i)pharmacologic drugs.

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    Hypothyroid cases as seen in IodineDeficiency Areas some belongs toendemic cretinism

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    Characteristic feature of a hypothyroid woman

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    Billewicz index (1969) for hypothyroidism

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    Clinical index for hypothyroidism

    Yes(score) No (score)

    Symptoms Sweat scarcelyDry skin

    Cold ntolerance

    Weight gain

    ConstipationHusky voice

    Tingling sensation

    Hearing loss

    +6

    +3

    +4

    +1

    +2+4

    +5

    +2

    -2

    -6

    -5

    -1

    -1-6

    -1

    -1

    Physical signs Slow movementCoarse skin

    Cold skin

    Periorbital oedema

    Heart rate < 60 / minutes

    Slow Achilles reflex

    +11

    +7

    +3

    +4

    +4

    +15

    -3

    -7

    -2

    -6

    -4

    -6

    Hypotiroid> 25, Not hypothyroid < - 30, Equivocal between

    29 and +24

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