Transcript
Page 1: Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

Dr.Chaoen Chuchottaworn M.D.Head, Division of Respiratory Medicine,

Head, Center of Excellence for Tuberculosis,Chest Disease Institute,

Department of Medical Services,Ministry of Public Health

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Drug Resistant Tuberculosis is a “ Man Made Phenomenon ”

āļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēāđ€āļ›āļ™āļ›āļĢāļēāļāļāļāļēāļĢāļ“āļ—āļĄāļ™āļĐāļĒāļ—āļģāļēāđƒāļŦ

āđ€āļāļ”āļ‚āļ™

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Infectiousness and Pathogenicity of MDR-TBâ€Ē Infectiousness of MDR-TB is the same as

sensitive TB, it depends on smear positivity of patients. Most of MDR-TB cases are smear positive.

â€Ē Pathogenicity or virulency of MDR-TB is lower than sensitive TB. So there is a rationale to provide INH alone to highly resistant TB patients.

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Natural resistant clone

Causes of failure

Selection of resistant clone

Resistant clone multiply

Clinical resistant case

Causes of failure

Causes of failure

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āļāļēāļĢāļ›āļ­āļ‡āļāļ™āļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēâ€Ē āđ„āļĄāļ•āļ­āļ‡āļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„āđ€āļĨāļĒâ€Ē āđƒāļŠ Directly Observed Treatment (DOT)

â€Ē āđƒāļŠ Fixed-dose combination (FDC)

â€Ē āļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„āļ­āļĒāļēāļ‡āļ–āļāļ•āļ­āļ‡ – āļ‚āļ™āļēāļ”āļ‚āļ­āļ‡āļĒāļē– āļŠāļ•āļĢāļĒāļē– āļĢāļ°āļĒāļ°āđ€āļ§āļĨāļē– āļāļēāļĢāļˆāļ”āļāļēāļĢāđāļžāļĒāļē

â€Ē āļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„āđƒāļŦāļŦāļēāļĒāļ•āļ‡āđāļ•āļāļēāļĢāļĢāļāļĐāļēāļ„āļĢāļ‡āđāļĢāļâ€Ē āđƒāļ™āļžāļ™āļ—āļ—āļĄāļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēāļŠāļ‡āļˆāļ°āļ•āļ­āļ‡āļĄāļĢāļ°āļšāļšāđ€āļāļēāļĢāļ°āļ§āļ‡

āļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļē āđāļĨāļ°āļĢāļ°āļšāļšāđƒāļ™āļāļēāļĢāļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēāļ—āļ”

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Why should we concern about DR-TB

TB

DR-TB

TB

DR-TBNTPDOTS

Success

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Magnitude of MDR/XDRâ€Ē Approximately 500,000 cases/yearâ€Ē Approximately 100,000 cases/year in

Chinaâ€Ē Approximately 40,000 cases/year in

Russiaâ€Ē Only 5% were diagnosed and treatedâ€Ē About 3% of all cases were treated with

good quality drugsâ€Ē Estimated of 3000 cases in Thailand

each year

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āļ­āļ›āļŠāļĢāļĢāļ„āđƒāļ™āļāļēāļĢāļ„āļ§āļšāļ„āļĄāđāļĨāļ°āļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēāđƒāļ™āļ›āļĢāļ°āđ€āļ—āļĻāđ„āļ—āļĒâ€Ē āđ„āļĄāļ—āļĢāļēāļšāļĢāļ°āļšāļēāļ”āļ§āļ—āļĒāļēāđāļĨāļ°āļ‚āļ™āļēāļ”āļ‚āļ­āļ‡āļ›āļāļŦāļēāļ—āđāļ—āļˆāļĢāļ‡āđƒāļ™

āļ›āļĢāļ°āđ€āļ—āļĻāđ„āļ—āļĒâ€Ē āđ„āļĄāļĄāļĒāļ—āļ˜āļĻāļēāļŠāļ•āļĢāļ—āļŠāļ”āđ€āļˆāļ™āđƒāļ™āļāļēāļĢāļˆāļ”āļāļēāļĢāļāļšāļ›āļāļŦāļēāđƒāļ™āļĢāļ°āļ”āļš

āļ™āđ‚āļĒāļšāļēāļĒâ€Ē āđ„āļĄāļĄāļŦāļ™āļ§āļĒāļ‡āļēāļ™āļ—āļĢāļšāļœāļ”āļŠāļ­āļšāđƒāļ™āļāļēāļĢāļ•āļ”āļ•āļēāļĄāđāļĨāļ°āļĢāļšāļœāļ”āļŠāļ­āļš

āđƒāļ™āļāļēāļĢāļĢāļāļĐāļēāđƒāļ™āļŦāļ™āļ§āļĒāļšāļĢāļāļēāļĢāļĢāļ°āļ”āļšāļ•āļēāļ‡ āđ†â€Ē āđāļžāļ—āļĒāļ—āļ”āđāļĨāļĢāļāļĐāļēāļœāļ›āļ§āļĒāđ„āļĄāļĄāļ›āļĢāļ°āļŠāļšāļāļēāļĢāļ“āđāļĨāļ°āļ„āļ§āļēāļĄ

āđ€āļ‚āļēāđƒāļˆāđƒāļ™āļāļēāļĢāļ”āđāļĨāļĢāļāļĐāļēāļœāļ›āļ§āļĒāļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēâ€Ē āļ—āļĻāļ™āļ°āļ„āļ•āļ‚āļ­āļ‡āđ€āļˆāļēāļŦāļ™āļēāļ—āļ—āļ”āđāļĨāļœāļ›āļ§āļĒāđ„āļĄāđ€āļŦāļĄāļēāļ°āļŠāļĄâ€Ē āļŦāļ­āļ‡āļ›āļāļšāļ•āļāļēāļĢāđ„āļĄāļŠāļ™āļšāļŠāļ™āļ™āļāļēāļĢāļ”āđāļĨāļœāļ›āļ§āļĒāļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēâ€Ē āļœāļ›āļ§āļĒāđ„āļĄāļŠāļēāļĄāļēāļĢāļ–āđ€āļ‚āļēāļ–āļ‡āļāļēāļĢāļĢāļāļĐāļēāđ„āļ”

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CLINICAL CLASSIFICATION OF

DRUG RESISTANT TBEpidemiology - Primary (initial)

- Secondary (acquired)Clinician - Drug resistance

* Mono-resistance* Poly-drug resistance

- Multidrug resistance( MDR)- Extensively resistance (XDR)- Totally resistance (TDR)

WHO - Drug resistance among new cases- Drug resistance among previously

Treated cases

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Definition of XDR and TDRâ€Ē XDR : strain of MDR-TB which also

resisted to any one member of fluoroquinolones and one of injected anti-TB drugs : kanamycin, amikacin, capreomycin

â€Ē TDR : strain of MDR-TB which is also resisted to six classes of second line drug (not international definition)

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First Line Drugs

â€Ē Isoniazid ( H )

â€Ē Rifampicin ( R )

â€Ē Pyrazinamide ( Z )

â€Ē Ethambutol ( E )

â€Ē Streptomycin ( S )

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Second Line Drugs (6 classes)

* Aminoglycosides : Kanamycin, Amikacin

* Fluoroquinolones : Levofloxacin, Moxifloxacin

* Cyclic polypeptides : Capreomycin

* Serine analog : Cycloserine,Terazidine

* Thioamide : Ethionamide, Prothionamide

* Salicylic acid derivatives : PAS

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Estimates of new tuberculosis cases and initial MDR-TB in 2006 by epidemiological region

TB cases (n) Proportion of MDR-TB cases(%)

Central Europe 42464 1.0Eastern Europe 336842 13.0Latin America 315216 2.3Eastern Mediterranean Region 569446 2.9Africa, low HIV incidence 350671 1.5Africa, high HIV incidence 2440270 1.8South East Asia 3100354 2.8Western Pacific Region 1882930 4.4

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DRUG RESISTANCE SURVEILLANCE IN THAILAND. (PRIMARY RESISTANCE)

1997 - 1998 2002 2006Number 1015 1505Any resistance (%) - 15.0Mono resistance (%)

INH 6.2 5.3RMP 2.0 0.3EMB 3.0 0.1SM 5.6 4.8

MDR - TB 2.0 1.0 1.6

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DRUG RESISTANCE SURVEILLANCE IN THAILAND.( SECONDARY RESISTANCE)

1997 – 1998 2002 2006 Number - 170Any resistance(%) - 39.4Mono resistance (%) -

INH - 4.1 RMP - 1.8EMB - 0.6SM - 5.3

MDR - TB (%) - 20.6 34.0

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āļŠāļ–āļēāļ™āļāļēāļĢāļ“āļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēāđƒāļ™āļŠāļ–āļēāļ™āļšāļĢāļāļēāļĢāđ€āļ‚āļ•āļ•āļĢāļ§āļˆāļāļēāļĢāļŠāļēāļ˜āļēāļĢāļ“āļŠāļ‚āļ— 13 āļ•āļ‡āđāļ•āļ› āļž.āļĻ. 2548 - 2550

āļœāļ›āļ§āļĒāļĢāļēāļĒāđƒāļŦāļĄāļ› āļˆāļģāļēāļ™āļ§āļ™ sensitive Any resistant MDR-

TB2546 543 85.6 14.4 0.72547 435 93.3 6.7 0.52548 500 90.4 9.6 1.42549 334 92.5 7.5 1.22550 501 77.0 23.0 6.0

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āļŠāļ–āļēāļ™āļāļēāļĢāļ“āļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēāđƒāļ™āļŠāļ–āļēāļ™āļšāļĢāļāļēāļĢāđ€āļ‚āļ•āļ•āļĢāļ§āļˆāļāļēāļĢāļŠāļēāļ˜āļēāļĢāļ“āļŠāļ‚āļ— 13

āļ•āļ‡āđāļ•āļ› āļž.āļĻ. 2548 - 2550 āļœāļ›āļ§āļĒāļĢāļēāļĒāđ€āļāļē āļ› āļˆāļģāļēāļ™āļ§āļ™ sensitive Any resistant MDR-

TB2546 55 3.2 96.4 38.22547 58 1.7 98.3 22.42548 93 18.3 81.7 21,5 2549 78 16.7 83.3 17.92550 16 37.5 62.5 37.5

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Drug resistant tuberculosis in upper northern 8 provinces of ZTB Center 10 in 2007-2008 Drug resistant rate (%) 2007 2008 Test INH MDR XDR Test INH MDR XDRâ€Ē Chiangmai 606 13.4 4.1 1 760 11.4 3.8 -â€Ē Lumphun 82 11.0 4.9 - 180 12.2 3.3 -â€Ē Lampang 251 12.0 2.0 - 290 7.2 1.3 -â€Ē Prae 98 11.2 6.1 1 13 30.8 15.4 -â€Ē Nan 91 11 6.6 1 138 10,1 2.9 2â€Ē Payao 151 16.6 4.0 - 189 12.7 2.6 -â€Ē Chiangrai 75 9.3 2.6 - 66 10.6 3.0 -â€Ē MHS 78 7.6 1.3 - 87 10.3 2.3 -â€Ē Total 1384 12.8 3.9 2 1723 11.8 3.1 2

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XDR-TB in Chest Disease Institute

Year Number of Cases1997 61998 61999 92000 42001 32002 52003 42004 52005 32006 8

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Frequency of PZA Resistance in Previously Treated Tuberculosis ( IJTLD July 2006 )

â€Ē 127 M.tuberculosis strains of drug resistance and 47 sensitive strains were tested for PZA by BACTEC.

â€Ē 68 of 127 were resisted to PZA and 46 of 47 were sensitive to PZA

â€Ē PZA resistance related to MDR-TB

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PRIMARY DRUG RESISTANCE OF FLUOROQUINOLONES IN THAILAND

Resistance rate (%)

Ciprofloxacin ofloxacin

Chierakul (1995) 7.0 -

Poonyasopan (1997) 8.3 -

Chuchotta worn (1998) - 4.3

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Process of Management of MDR-TB â€Ē Searching of MDR-TB in high risk groupsâ€Ē Diagnosis of MDR-TBâ€Ē Correct cause of resistanceâ€Ē Appropriated anti-TB drug regimenâ€Ē Appropriated adjustment of regimen in

patient with adverse drug reactionsâ€Ē Monitoring of clinical response and

outcome of treatment â€Ē Follow up completed treatment patient to

detect early relapse

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Searching of MDR-TB in high risk groups

â€Ē Drug susceptibility testing in patients with risk to carry drug resistant strain

â€Ē Drug susceptibility testing in every new patients in area with high MDR-TB rate over 3%

â€Ē Drug susceptibility testing in patients who have smear positive after 2 months of treatment

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Risk Factors to Carry Drug Resistant TB

* Previous history of treatment* Failure* Relapse* HIV co-infection* Addictions* Contact with drug resistant patient* Born in high prevalence country

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MANAGEMENT OF DRUG RESISTANT TUBERCULOSIS

NEW TB PATIENT

No risk

2HRZE / 4HR

Risk factor

Culture , susceptibility

2HRZES / HRZE / 5HRE

Failure SCC Known MDR

Reserved Drugs

Relapse Irregular

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āđāļ™āļ§āļ—āļēāļ‡āļāļēāļĢāļ›āļāļšāļ•āđ€āļĄāļ­āđ€āļŠāļĄāļŦāļ°āļ•āļĢāļ§āļˆāļžāļšāđ€āļŠāļ­ (smear positive) āļŦāļĨāļ‡

āļāļēāļĢāļĢāļāļĐāļē 2 āđ€āļ”āļ­āļ™â€Ē āļŠāļ‡āđ€āļŠāļĄāļŦāļ°āđ€āļžāļēāļ°āđ€āļŠāļ­ āđāļĨāļ°āļ—āļ”āļŠāļ­āļšāļ„āļ§āļēāļĄāđ„āļ§

āļ‚āļ­āļ‡āļ‚āļ­āļ‡āļĒāļē (DST)

â€Ē āļ•āļĢāļ§āļˆāļŠāļ­āļšāļ§āļēāļœāļ›āļ§āļĒāļ—āļēāļ™āļĒāļēāļŠāļĄāļģāļēāđ€āļŠāļĄāļ­āļŦāļĢāļ­āđ„āļĄâ€Ē āđƒāļŦāļĨāļ”āļĒāļēāļĨāļ‡āđ€āļ›āļ™ HR

â€Ē āļ•āļ”āļ•āļēāļĄāļāļēāļĢāļĢāļāļĐāļēāļ­āļĒāļēāļ‡āđƒāļāļĨāļŠāļ” āđ€āļžāļ­āļ•āļ”āļ•āļēāļĄāļāļēāļĢāļĢāļāļĐāļēāļĨāļĄāđ€āļŦāļĨāļ§

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āļāļēāļĢāđƒāļŠ fluoroquinolones āđƒāļ™āļāļēāļĢāļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„

â€Ē āļĒāļēāļāļĨāļĄ Fluoroquinolones āļĄāļĪāļ—āļ˜ āđ€āļžāļĒāļ‡ bacteriocidal āđ€āļ—āļēāļ™āļ™

â€Ē āļĒāļēāļāļĨāļĄ Fluoroquinolones āļĄ EBA āđ€āļžāļĒāļ‡ -0.3 log āļ‚āļ­āļ‡āđ€āļŠāļ­ āļŠāļ‡āļ•āļģāļēāļāļ§āļēāļĒāļēāļ§āļ“āđ‚āļĢāļ„āļ•āļ§āļ­āļ™āđ†

â€Ē āļāļēāļĢāļĻāļāļĐāļēāđƒāļ™ clinical trial āļžāļšāļ§āļēāļāļēāļĢāđ€āļ•āļĄ ofloxacin āļĨāļ‡āđƒāļ™ short course āđ„āļĄāđ€āļžāļĄāļ›āļĢāļ°āļŠāļ—āļ˜āļ āļēāļž

â€Ē āđƒāļ™ Cochrane review āļžāļšāļ§āļēāļœāļ›āļ§āļĒāļāļĨāļĄāļ—āđ„āļ”āļĢāļšāļĒāļē ciprofloxacin āļĄ sputum conversion āļŠāļēāļāļ§āļē āđāļĨāļ°āļĄ relapse rate āļŠāļ‡āļāļ§āļē

â€Ē āļĒāļē ofloxacin āđāļĨāļ° ciprofloxacin āđ„āļĄāļĄ sterilizing activity

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āļ‚āļ­āļŦāļēāļĄāļ›āļāļšāļ•āđƒāļ™āļāļēāļĢāļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„

â€Ē āļ­āļĒāļēāđ€āļ›āļĨāļĒāļ™āļŠāļ•āļĢāļĒāļēāļ āļēāļĒāđƒāļ™āļĢāļ°āļĒāļ°āđ€āļ§āļĨāļē 3 āđ€āļ”āļ­āļ™ āļ‚āļ­āļ‡āļāļēāļĢāļĢāļāļĐāļē

â€Ē āļ­āļĒāļēāđ€āļ›āļĨāļĒāļ™āļŠāļ•āļĢāļĒāļē āđ€āļĄāļ­āđ„āļĄāđāļ™āđƒāļˆāļœāļĨāļāļēāļĢāļĢāļāļĐāļēâ€Ē āļ­āļĒāļēāđ€āļ•āļĄāļĒāļē āļŦāļ™āļ‡ āļŦāļĢāļ­ āļŠāļ­āļ‡āļ•āļ§āđƒāļ™āļŠāļ•āļĢāļĒāļēāļ—

āļĨāļĄāđ€āļŦāļĨāļ§ āļŦāļĢāļ­āđ„āļĄāđāļ™āđƒāļˆāļ§āļēāđ„āļ”āļœāļĨāļŦāļĢāļ­āđ„āļĄâ€Ē āđ„āļĄāļĄāļāļēāļĢāļŠāļ‡āđ€āļŠāļĄāļŦāļ°āđ€āļžāļēāļ°āđ€āļŠāļ­āđāļĨāļ°āļ—āļ”āļŠāļ­āļšāļ„āļ§āļēāļĄ

āđ„āļ§ āļāļ­āļ™āđ€āļ›āļĨāļĒāļ™āļŠāļ•āļĢāļĒāļē

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āļŠāļēāđ€āļŦāļ•āļ‚āļ­āļ‡āļāļēāļĢāļĢāļāļĐāļēāļĨāļĄāđ€āļŦāļĨāļ§â€ĒāļāļēāļĢāļĢāļāļĐāļēāđ„āļĄāļŠāļĄāļģāļēāđ€āļŠāļĄāļ­ 70-80 %

â€Ēāđ€āļāļĒāļ§āļāļšāļĒāļē - āļ„āļ“āļ āļēāļžāļ‚āļ­āļ‡āļĒāļē- āļ‚āļ™āļēāļ”āļ‚āļ­āļ‡āļĒāļēāļŠāļ‡āļŦāļĢāļ­āļ•āļģāļēāđ€āļāļ™āđ„āļ›- āļŠāļ•āļĢāļĒāļēāđ„āļĄāļ–āļāļ•āļ­āļ‡

â€Ēāđ€āļāļĒāļ§āļāļšāđ€āļ āļŠāļŠāļˆāļĨāļ™āļĻāļēāļŠāļ•āļĢ - āļĒāļēāđ„āļĄāļ”āļ”āļ‹āļĄ- āļĒāļēāļ”āļ”āļ‹āļĄāđāļ•āđ„āļĄāđ„āļ›āļ—āļ•āļģāļēāđāļŦāļ™āļ‡āļ•āļ”āđ€āļŠāļ­- āđ€āļāļ”āļ›āļāļāļĢāļĒāļēāļĢāļ°āļŦāļ§āļēāļ‡ āļĒāļē - āļĒāļē

â€Ēāđ€āļāļĒāļ§āļāļšāļœāļ›āļ§āļĒ - āļœāļ›āļ§āļĒāļĄāļŠāļ āļēāļžāļĢāļēāļ‡āļāļēāļĒāļ—āļĢāļ”āđ‚āļ—āļĢāļĄ - āļœāļ›āļ§āļĒāđāļžāļĒāļē

â€Ēāđ€āļāļĒāļ§āļāļšāđ€āļŠāļ­ - āļœāļ›āļ§āļĒāļĄāđ€āļŠāļ­āļ”āļ­āļĒāļē

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āļ—āļģāļēāđ„āļĄāļāļēāļĢāļĢāļāļĐāļēāļ—āđ„āļĄāļŠāļģāļēāđ€āļŠāļĄāļ­āļ—āļģāļēāđƒāļŦāļ§āļ“āđ‚āļĢāļ„āļ”āļĒāļēâ€Ē āđ€āļŠāļ­āļ§āļ“āđ‚āļĢāļ„āļ—āļ”āļ­āļĒāļēāļ•āļēāļĒāļŠāļēāļāļ§āļēāđ€āļŠāļ­

āļ§āļ“āđ‚āļĢāļ„āļ—āđ„āļ§āļ•āļ­āļĒāļēâ€Ē āđ€āļŠāļ­āļ§āļ“āđ‚āļĢāļ„āļ—āļ­āļĒāđƒāļ™āđ€āļ‹āļĨāļĨāļ†āļēāđ„āļ”āļ”āļ§āļĒāļĒāļē

āđ€āļžāļĒāļ‡āļ•āļ§āđ€āļ”āļĒāļ§āļŦāļĢāļ­āļŠāļ­āļ‡āļ•āļ§â€Ē āļĢāļ°āļ”āļšāļĒāļēāļ—āļ•āļģāļēāđ†āđ€āļŠāļ­āļ—āļ”āļ­āļĒāļēāļˆāļ°āđ‚āļ•āđ€āļĢāļ§āļāļ§āļē

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āļāļēāļĢāļ§āļ™āļˆāļ‰āļĒāļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļēâ€Ē āļ§āļ™āļˆāļ‰āļĒāļˆāļēāļāļœāļĨāļāļēāļĢāļ—āļ”āļŠāļ­āļšāļāļēāļĢāļ”āļ­āļĒāļē (DST) āđāļĨāļ°āļœāļĨ

āļāļēāļĢāļĢāļāļĐāļēāđ„āļĄāļ›āļĢāļ°āļŠāļžāļ„āļ§āļēāļĄāļŠāļģāļēāđ€āļĢāļˆ āđ€āļŠāļĄāļŦāļ°āļĒāļ‡ positive

â€Ē āđƒāļ™āļāļĢāļ“ āļāļēāļĢāļĢāļāļĐāļēāļĨāļĄāđ€āļŦāļĨāļ§āđāļĨāļ°āđ€āļŠāļ­āļ”āļ­āļĒāļē āļˆāļ°āļ•āļ­āļ‡āļ›āļĢāļ°āļāļ­āļšāļ”āļ§āļĒāļ­āļ‡āļ„āļ›āļĢāļ°āļāļ­āļšāļ”āļ‡āļ™â€“ āļœāļ›āļ§āļĒāļĢāļāļĐāļēāļŠāļĄāļģāļēāđ€āļŠāļĄāļ­â€“ āđ€āļŠāļĄāļŦāļ°āļ•āļĢāļ§āļˆāļžāļšāđ€āļŠāļ­āļ§āļ“āđ‚āļĢāļ„āđ‚āļ”āļĒāļāļēāļĢāļĒāļ­āļĄâ€“ āļĢāļ°āļĒāļ°āđ€āļ§āļĨāļēāļāļēāļĢāļĢāļāļĐāļēāļ•āļ­āļ‡āļ™āļēāļ™āļāļ§āļē 5 āđ€āļ”āļ­āļ™āļ‚āļ­āļ‡

āļāļēāļĢāļĢāļāļĐāļē

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Drug susceptibility test (DST) for TBâ€Ē Conventional technique in egg-based or

agar-based media, 6-8 weeksâ€Ē Rapid technique in liquid media (MGIT), 2-

4 weeksâ€Ē Rapid technique in liquid media with redox

dye or biochemical reaction, 2-4 weeksâ€Ē Genotype of rpoB gene (SNP) for

Rifampicin resistance, 1-2 days

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āļ‚āļ­āļœāļ”āļžāļĨāļēāļ”āđƒāļ™āļāļēāļĢāļ§āļ™āļˆāļ‰āļĒāļ§āļ“āđ‚āļĢāļ„āļ”āļ­āļĒāļē1 .āđƒāļŠāļ­āļēāļāļēāļĢāđāļĨāļ°āļ­āļēāļāļēāļĢāļ‚āļēāļ‡āđ€āļ„āļĒāļ‡āđƒāļ™āļāļēāļĢ

āļ§āļ™āļˆāļ‰āļĒ2. āđƒāļŠāļ āļēāļžāļĢāļ‡āļŠāļ—āļĢāļ§āļ‡āļ­āļāđƒāļ™āļāļēāļĢāļ§āļ™āļˆāļ‰āļĒ3. āđ„āļĄāļĄāļœāļĨāļāļēāļĢāļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ°āđƒāļ™āļāļēāļĢāļ§āļ™āļˆāļ‰āļĒ4. āđ„āļĄāļĄāļœāļĨāļāļēāļĢāļ—āļ”āļŠāļ­āļš DST5. āļœāļĨ DST āļ—āđ€āļŠāļ­āđ„āļ§āļ•āļ­āļĒāļē āđ€āļĄāļ­āļĢāļāļĐāļēāļĨāļĄ

āđ€āļŦāļĨāļ§6. āđ„āļĄāđƒāļŠāļ‚āļ­āļĄāļĨāļ—āļēāļ‡āļ„āļĨāļ™āļāļĄāļēāļŠāļ§āļĒāđƒāļ™āļāļēāļĢ

āļ§āļ™āļˆāļ‰āļĒ

Page 40: Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

āļāļēāļĢāļ—āļ”āļŠāļ­āļš DST āđ€āļŠāļ­āļ–āļ­āđ„āļ”āļŦāļĢāļ­āđ„āļĄâ€Ē āļœāļĨāļāļēāļĢāļ—āļ”āļŠāļ­āļš DST āļˆāļ°āđ€āļ›āļ™ guide āļ—āļŠāļģāļēāļ„āļ

â€Ē āļāļēāļĢāđāļ›āļĨāļœāļĨ DST āļŦāļĢāļ­āļāļēāļĢāļ™āļģāļēāđ„āļ›āđƒāļŠāļ•āļ­āļ‡āļžāļˆāļēāļĢāļ“āļēāļ›āļĢāļ°āļāļ­āļšāļāļšāļĨāļāļĐāļ“āļ°āļ—āļēāļ‡āļ„āļĨāļ™āļ

â€Ē āļœāļĨāļāļēāļĢāļ—āļ”āļŠāļ­āļš DST āļ—āđāļŠāļ”āļ‡āļ§āļē “resistance” āļˆāļ°āđ€āļŠāļ­āļ–āļ­āđ„āļ”āļĄāļēāļāļāļ§āļē “sensitive”

â€Ē āļ›āļˆāļˆāļĒāđƒāļ”āļ—āļēāļ‡āđ€āļ—āļ„āļ™āļ„āļ—āļ—āļģāļēāđƒāļŦāđ€āļŠāļ­āđ„āļĄāđ€āļˆāļĢāļāđ€āļ•āļšāđ‚āļ•āļšāļ™āļ­āļēāļŦāļēāļĢāđ€āļĨāļĒāļ‡āđ€āļŠāļ­āļˆāļ°āļ—āļģāļēāđƒāļŦāđāļ›āļĨāļœāļĨāļ§āļēāđ€āļŠāļ­āđ„āļ§āļ•āļ­āļĒāļēāđ‚āļ”āļĒāđ„āļĄāđ€āļāļĒāļ§āļ‚āļ­āļ‡āļāļšāļāļēāļĢāļ”āļ­āļĒāļēāļŦāļĢāļ­āđ„āļ§āļ•āļ­āļĒāļēāļ‚āļ­āļ‡āđ€āļŠāļ­āļ—āļ—āļ”āļŠāļ­āļš

â€Ē āļāļēāļĢāļĢāļāļĐāļēāļ§āļ“āđ‚āļĢāļ„āđƒāļŠ multiple drugs regimen āļāļēāļĢāļ”āļ­āļĒāļēāļ•āļ§āđƒāļ”āļ•āļ§āļŦāļ™āļ‡āļ­āļēāļˆāļˆāļ°āđ„āļĄāļĄāļœāļĨāļāļĢāļ°āļ—āļšāļ•āļ­āļāļēāļĢāļĢāļāļĐāļēāđ‚āļ”āļĒāļĢāļ§āļĄ

â€Ē āđ€āļŠāļ­āđ„āļ§āļ•āļ­āļĒāļēāđāļ•āļĒāļēāļ­āļēāļˆāļˆāļ°āđ€āļ‚āļēāđ„āļĄāļ–āļ‡āļĢāļ­āļĒāđ‚āļĢāļ„

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Recommendations for MDR-TBChemotherapy (3) WHO (2003)

* Regimen should consist of at least 4 drugs with either certain, or almost certain, effectiveness.

* Treatment is for a minimum duration of 18 months becond conversion (extension to 24 months in “chronic cases” with extensive pulmonary damage).

Page 42: Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

RESERVED DRUGS FOR TREATMENTOfloxacin 400-600 mg/dayLevofloxacin 400-600 mg/dayStreptomycin 15 mg/kg/dayKanamycin 15 mg/kg/dayAmikacin 15 mg/kg/dayPAS 200 mg/kg/dayPyrazinamide 1.0-1.5 gm/dayEthambutol 0.8-1.2 gm/dayEthionamide 500-750 mg/day Cycloserine 500-750 my/day Capreomycin 15 mg/kg/day

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National MDR-TB Treatment Guideline 2008 (Thai), Category 4(1)

* Failure of Category I, likely to be MDR

* Recommended regimen

- 6 Months : kanamycin (streptomycin), ofloxacin, PAS, ethambutol and pyrazinamide

- 12 months : ofloxacin, PAS, ethambutol and pyrazinamide

Page 45: Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

National MDR-TB Treatment Guideline 2008 (Thai), Category 4(2)

* Failure of Category II, likely to be MDR-TB plus EMB resistance* Recommended regimen

- 6 Months : kanamycin (streptomycin),

Ofloxacin, PAS, cycloserine ethionamide

- 12 months : ofloxacin, PAS, cycloserine, ethionamide

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EVALUATION OF TREATMENT

* Clinical signs and symptoms are not useful* Sputum examination is the most reliable tool

so smear must be done in every visit* CxR is not useful, should be done every 6 months* Laboratory monitoring must be done at base line and again when side effect is suspected, except with aminoglycoside treatment, renal function should be done every month

Page 47: Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

Surgical Invention for MDR-TB* Consider in every MDR-TB patients* Better outcome if adjunct to medication* Criteria for surgery

- Unilateral or single lesion that can be done in one operation

- Still have 2 or more drugs which are sensitive- If it is possible smear should be negative at

surgical time or 2-3 months after treatment* Unfavorable outcome in patient with preoperative

comorbidity, aspergillosis, operation time, transfusion and male

(Ann Thorac Surg 2005;79:959-963)

Page 48: Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

â€Ē Fuoroquinolones : gatifloxacin, moxifloxacinâ€Ē Oxazolidinones : linezolidâ€Ē Imidazole derivatives : PA 824â€Ē Diarylquinoline : TMC 207 â€Ē Clofazimineâ€Ē OPC 67683â€Ē LL 3858 â€Ē SQ 109â€Ē Rifalazilâ€Ē Thioridazine

NEW DRUGS FOR TUBERCULOSIS TREATMENT

Page 49: Multi-drug Resistant Tuberculosis (MDR-TB) and Extensively Drug Resistant Tuberculosis (XDR)

āļœāļ›āļ§āļĒāļŦāļāļ‡āđ„āļ—āļĒ āļ­āļēāļĒ 49 āļ› â€Ē āļ.āļž. 52 āļĄāļ­āļēāļāļēāļĢāđ„āļ­ āđ€āļŦāļ™āļ­āļĒ āđ„āļ›āļ•āļĢāļ§āļˆāđ‚āļĢāļ‡āļžāļĒāļēāļšāļēāļĨ

āļˆāļ‡āļŦāļ§āļ”āđāļŦāļ‡āļŦāļ™āļ‡ āļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ° āļžāļš AFB positive āļœ.āļ›. āđ„āļ›āļĢāļāļĐāļēāļ„āļĨāļ™āļ āđ„āļ”āļĒāļē INH 3x1, RMP 1x1, PZA 1x1 EMB 1x1 āļ­āļēāļāļēāļĢāļ”āļ‚āļ™āđ€āļĢāļ­āļĒāđ†

â€Ē āļ˜.āļ„. 52 - āļĒāļ‡āļĄāļ­āļēāļāļēāļĢāļšāļēāļ‡ CxR āļĄ cavitary lesion āļ­āļĒ āđ„āļ”āđ€āļ•āļĄ SM 0.75 gm OD. āļ›āļĢāļ°āļĄāļēāļ“ 1 āđ€āļ”āļ­āļ™ āđāļĨāļ§āļŦāļĒāļ”

â€Ē āđ€āļĄ.āļĒ. 53 āļĒāļ‡āļĄāļ­āļēāļāļēāļĢāļšāļēāļ‡ CxR āđ„āļĄāļ”āļ‚āļ™ āļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ° AFB positive āļŠāļ‡āļŠāļĒāļ”āļ­āļĒāļē āļŠāļ‡ āđ‚āļĢāļ‡āļžāļĒāļēāļšāļēāļĨāļˆāļ‡āļŦāļ§āļ”

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āļœāļ›āļ§āļĒāļŠāļēāļĒāđ„āļ—āļĒ āļ­āļēāļĒ 60â€Ē Refer āļĄāļēāļˆāļēāļ āļĢāļžāļˆ. āđāļŦāļ‡āļŦāļ™āļ‡ āļ”āļ§āļĒāļ›āļāļŦāļēāļ‚āļ­āļ‡ MDR – TB â€Ē āļĄ.āļ„. 50 āļĄāļ›āļĢāļ°āļ§āļ•āļĢāļāļĐāļē TB āļĄāļē 4 āđ€āļ”āļ­āļ™ āļˆāļēāļāđ‚āļĢāļ‡āļžāļĒāļēāļšāļēāļĨāļ­āļ™

AFB +â€Ē āļŠāļ‡āļŠāļĒ MDR – TB āđ€āļĢāļĄ CAT II : HRZESâ€Ē āļž.āļ„. 50 āļœāļ›āļ§āļĒāđ„āļ” 2HRZES / HRZE / 2HRE āļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ° AFB +

āļŠāļ‡āļŠāļĒ MDR – TB āļŠāļ‡ DST āļĢāļāļĐāļēāļ”āļ§āļĒ HRZEOSâ€Ē āļŠ.āļ„. 50 āļœāļ›āļ§āļĒāđ„āļ” 3HRZEOS āđ„āļ”āļŦāļĒāļ” s āļœāļĨāļ•āļĢāļ§āļˆ AFB+â€Ē āļ.āļĒ. 50 āļœāļ›āļ§āļĒāļĄ Homptysis āđ„āļ”āļĢāļšāļāļēāļĢāļĢāļāļĐāļē HRZE āđ„āļĄāļĄāļœāļĨ

AFB â€Ē āļ•.āļ„. 50 CxR āļ”āļ‚āļ™ āđ„āļ”āļ›āļĢāļšāļāļēāļĢāļĢāļāļĐāļē HZOPâ€Ē āļ.āļž. 51 āļœāļ›āļ§āļĒāđ„āļ”āļĢāļš 5HZOP āđ€āļžāļĄ kanamycin + HZOP āđ„āļĄāļĄāļœāļĨ

AFBâ€Ē āļ.āļĒ. 51 AFB + āđ„āļ” HZOP āļŦāļĒāļ” kanamycin āļœāļ›āļ§āļĒ loss follow upâ€Ē āļ˜.āļ„. 51 āļœāļ›āļ§āļĒ āļāļĨāļšāļĄāļēāļĢāļāļĐāļēāđƒāļŦāļĄ āđ€āļĢāļĄ AFB 3+ āđ€āļĢāļĄ HZOPâ€Ē āļ.āļž. 52 āļœāļ›āļ§āļĒ āđ„āļ” 2HZOP āđ€āļ›āļĨāļĒāļ™āļāļēāļĢāļĢāļāļĐāļēāđ€āļ›āļ™ SHPOEâ€Ē āļĄ.āļ„. 52 āļœāļ›āļ§āļĒ āđ„āļ” SHPOE āļĄāļē 1 āļ› AFB + DST Resist āļ•āļ­

HRSE

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āļœāļ›āļ§āļĒāļŠāļēāļĒāđ„āļ—āļĒ āļ­āļēāļĒ 43 āļ› â€Ē āļ.āļž. 2553 : āđ„āļ­ āđ€āļŦāļ™āļ­āļĒ āļĄāđ€āļŠāļĄāļŦāļ° āđ€āļŠāļĒāļ‡āđāļŦāļš āđ„āļ›

āļ•āļĢāļ§āļˆāļ—āļ‚āļ­āļ™āđāļāļ™ āđ€āļŠāļĄāļŦāļ° AFB positive CxR : Miliary TB āđ„āļ”āđ€āļĢāļĄāļĢāļāļĐāļē HRZE.

â€Ē āđ€āļĄ.āļĒ. 2553 āđ„āļ”āļĒāļē HRZE 2 āđ€āļ”āļ­āļ™ āļĒāļ‡āđ„āļ­ āļĄāđ€āļŠāļĄāļŦāļ° āļĄāļĄāļēāļ•āļĢāļ§āļˆ āļĢāļž. āđ€āļ­āļāļŠāļ™āļāļĢāļ‡āđ€āļ—āļž āđ„āļ”āļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ° AFB positive āđ„āļ”āđ€āļ›āļĨāļĒāļ™āļāļēāļĢāļĢāļāļĐāļē HRZE + SM + ofoxacin āđāļˆāļ‡āļœāļ›āļ§āļĒāļĢāļšāđ€āļ›āļ™ MDR-TB refer āļĄāļēāļŠāļ–āļēāļšāļ™āđ‚āļĢāļ„āļ—āļĢāļ§āļ‡āļ­āļ

â€Ē āđ€āļĄ.āļĒ. 2553 āļŠāļ–āļēāļšāļ™āđ‚āļĢāļ„āļ—āļĢāļ§āļ‡āļ­āļ āļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ° AFB negative

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āļœāļ›āļ§āļĒāļŦāļāļ‡āđ„āļ—āļĒ āļ­āļēāļĒ 42 āļ› â€Ē āļž.āļĒ. 2552 āļœ.āļ›. āđ„āļ”āļĢāļšāļāļēāļĢāļ§āļ™āļˆāļ‰āļĒāļ§āļēāđ€āļ›āļ™

pulmonary TB āđāļĨāļ° TB empyema āļ‚āļēāļ‡āļ‚āļ§āļē āļĄ DM āļĢāļ§āļĄāļ”āļ§āļĒ āđ€āļĢāļĄāļāļēāļĢāļĢāļāļĐāļē HRZE āđāļĨāļ°āđ„āļĄāđ„āļ”āđƒāļŠ ICD.

â€Ē āļĄ.āļ„. 2553 āđ„āļ” 2HRZE āđāļĨāļ§ āļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ° AFB positive āđ„āļ”āđƒāļŠ ICD āđāļĨāļ°āđƒāļŦ HRZEO āļ•āļ­āļĄāļē ICD āļŦāļĨāļ” āđ„āļĄāđ„āļ”āđƒāļŠāļ•āļ­ āļ•āļ­āļĄāļēāđ€āļ›āļĨāļĒāļ™āđ€āļ›āļ™ HRZES

â€Ē āļĄ.āļ„. 2553 āļ•āļĢāļ§āļˆāđ€āļŠāļĄāļŦāļ° AFB positive refer āļĄāļēāļĢāļšāļāļēāļĢāļœāļēāļ•āļ”āļ—āļŠāļ–āļēāļšāļ™āđ‚āļĢāļ„āļ—āļĢāļ§āļ‡āļ­āļ

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āļŠāļ‡āļ—āļˆāļ°āđƒāļŦāļ™āļģāļēāļāļĨāļšāđ„āļ›āļ›āļāļšāļ•āđƒāļ™āļāļēāļĢāļ”āđāļĨāļœāļ›āļ§āļĒâ€Ē āļĄāļ­āļ‡āļŦāļēāļ›āļˆāļˆāļĒāđ€āļŠāļĒāļ‡āđƒāļ™āļœāļ›āļ§āļĒāļ§āļ“āđ‚āļĢāļ„āļĢāļēāļĒāđƒāļŦāļĄāļ—āļˆāļ°āđ€āļ›āļ™āļ§āļ“āđ‚āļĢāļ„

āļ”āļ­āļĒāļēâ€Ē āļžāļĒāļēāļĒāļēāļĄāļĢāļāļĐāļēāļœāļ›āļ§āļĒāđƒāļŦāļŦāļēāļĒāļ āļēāļĒāđƒāļ™āļāļēāļĢāļĢāļāļĐāļēāļ„āļĢāļ‡āđāļĢāļ āđ‚āļ”āļĒ

āļāļēāļĢāđƒāļŦāļ„āļ§āļēāļĄāļŠāļ§āļĒāđ€āļŦāļĨāļ­āļœāļ›āļ§āļĒāđƒāļ™āļ—āļāđ†āļĄāļ• āļĢāļ§āļĄāļ—āļ‡āļāļēāļĢāļ›āļĢāļ°āļŠāļēāļ™āļ„āļ§āļēāļĄāļĢāļ§āļĄāļĄāļ­āļĢāļ°āļŦāļ§āļēāļ‡āļŦāļ™āļ§āļĒāļ‡āļēāļ™āđāļĨāļ°āļāļēāļĢāļŠāļĢāļēāļ‡āđ€āļ„āļĢāļ­āļ‚āļēāļĒ

â€Ē āļœāļ›āļ§āļĒāļ—āđ€āļŠāļĄāļŦāļ°āļ•āļĢāļ§āļˆāļžāļšāđ€āļŠāļ­āļŦāļĨāļ‡āļāļēāļĢāļĢāļāļĐāļē 2 āđ€āļ”āļ­āļ™āļ•āļ­āļ‡āđ„āļ”āđ„āļ”āļĢāļšāļāļēāļĢāļ•āļ”āļ•āļēāļĄāļ­āļĒāļēāļ‡āđƒāļāļĨāļŠāļ” āđāļĨāļ°āļ—āļ”āļŠāļ­āļšāļ„āļ§āļēāļĄāđ„āļ§āļ‚āļ­āļ‡āļĒāļē

â€Ē āļ­āļĒāļēāļžāļĒāļēāļĒāļēāļĄāļ›āļĢāļšāđ€āļ›āļĨāļĒāļ™āļŠāļ•āļĢāļĒāļē āļŦāļĢāļ­āđ€āļžāļĄāļĒāļē 1-2 āļ•āļ§āđƒāļ™āļāļēāļĢāļĢāļāļĐāļē āđ‚āļ”āļĒāđ„āļĄāļ—āļĢāļēāļšāļœāļĨāļāļēāļĢāļĢāļāļĐāļēāļ‚āļ­āļ‡āļŠāļ•āļĢāļĒāļēāļ—āđƒāļŠāļ­āļĒ

â€Ē āļŠāļ‡āļ•āļ­āļœāļ›āļ§āļĒāļŦāļĢāļ­āļ‚āļ­āļ„āļģāļēāļ›āļĢāļāļĐāļēāļāļšāđāļĄāļ‚āļēāļĒāļŦāļĢāļ­āļœāļĢāđ€āļĄāļ­āļĄāļ›āļāļŦāļēāđƒāļ™āļāļēāļĢāļĢāļāļĐāļē āđ€āļžāļĢāļēāļ°āļāļēāļĢāļ›āļĢāļšāđ€āļ›āļĨāļĒāļ™āļāļēāļĢāļĢāļāļĐāļēāļ­āļēāļˆāļˆāļ°āļ—āļģāļēāđƒāļŦāļ”āļ­āļĒāļēāļĄāļēāļāļ‚āļ™āđāļĨāļ°āļœāļ›āļ§āļĒāđ„āļĄāļĄāđ‚āļ­āļāļēāļŠāļŦāļēāļĒāđ„āļ”āļ­āļ


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