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Abstrak :
Latar Belakang: Pajanan terhadap jamur telah diketahui berperan dalam perburukan gejala asma, fungsi paru yang buruk, rawat inap dan kematian. Kolonisasi atau pajanan jamur dapat mencetuskan respons alergi dan inflamasi paru. Sensititasi jamur oleh Aspergillus dapat menyebabkan Allergic Bronchopulmonary Aspergillosis (ABPA) maupun Severe Asthma with Fungal Sensitization (SAFS). Pemeriksaan Immunodiffusion test (IDT) merupakan uji serologi untuk mengetahui terdapatnya antibodi anti-Aspergillus, namun pemeriksaan ini belum banyak digunakan di Indonesia dan perannya terhadap pasien asma belum diketahui.

Metode: Penelitian ini adalah penelitian prospektif dengan metode consecutive sampling dan desain potong lintang. Subjek penelitian ini adalah pasien asma yang berobat di Poliklinik Asma Rumah Sakit Persahabatan, Jakarta. Subjek penelitian menjalani pemeriksaan spirometri, Asthma Control Test (ACT) dan serologi antibodi anti-Aspergillus dengan metode IDT Aspergillus menggunakan crude antigen Aspergillus.

Hasil: Subjek penelitian ini sebanyak 59 pasien. Sejumlah 49 subjek (83,1%) berjenis kelamin perempuan, 37 subjek (62,7%) berusia ≥50 tahun, 45 subjek (76,3%) berpendidikan SLTA atau lebih, 25 subjek (42,4%) obesitas I, 5 subjek (8,5%) obesitas II dan 11 subjek (18,6%) bekas perokok. Sebagian besar subjek (62,71%) merupakan pasien asma persisten sedang. Asma terkontrol penuh ditemukan pada 7 subjek (11,86%), sedangkan asma tidak terkontrol pada 32 subjek (54,24%). Derajat obstruksi yang terbanyak ditemukan adalah obstruksi sedang pada 31 subjek (52,5%). Nilai %VEP1 ≥80% prediksi setelah uji bronkodilator ditemukan pada 24 subjek (40,7%). Dari 59 sampel darah yang diperiksa, tidak ada yang menunjukkan hasil IDT positif (0%), termasuk subjek yang datang dalam keadaan eksaserbasi dan subjek dengan asma persisten berat.

Kesimpulan: Hasil positif pemeriksaan IDT Aspergillus pada pasien asma sebesar 0%. Pemeriksaan IDT Aspergillus tidak dapat digunakan secara tunggal tanpa pemeriksaan lain untuk mendeteksi sensititasi terhadap Aspergillus pada pasien asma dan tanpa validasi terhadap crude antigen Aspergillus yang digunakan.

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Background: Exposure to fungi has been known to play a role in worsening symptoms of asthma, poor lung function, hospitalization and death. Fungal colonization or exposure can trigger an allergic response and lung inflammation. Fungal sensitization by Aspergillus spp. can cause allergic bronchopulmonary aspergillosis (ABPA) or severe asthma with fungal sensitization (SAFS). Immunodiffusion test (IDT) is a serological test to determine the presence of anti-Aspergillus antibodies, but this examination has not been widely used in Indonesia and its role in asthma patients is unknown.

Method: This study was a prospective study with consecutive sampling method and cross-sectional design. The subjects were asthma patients treated at Asthma Outpatient Clinic at Persahabatan Hospital Jakarta, Indonesia. Subjects underwent spirometry, Asthma Control Test (ACT) and serology of anti-Aspergillus antibodies examination with the IDT Aspergillus method using crude antigen Aspergillus.

Results: The subjects of this study were 59 patients. A total of 49 subjects (83.1%) were females, 37 subjects (62.7%) were ≥50 years old, 45 subjects (76.3%) had high school education level or higher, 25 subjects (42.4%) were obese I, 5 subjects (8.5%) were obese II and 11 subjects (18.6%) were former smokers. Most subjects (62.71%) were moderate persistent asthma patients. Fully-controlled asthma was found in 7 subjects (11.86%), while uncontrolled asthma was found in 32 subjects (54.24%). The highest degree of obstruction found was moderate obstruction in 31 subjects (52.5%). The %VEP1 ≥80% predicted after the bronchodilator test was found in 24 subjects (40.7%). Of the 59 blood samples examined, none showed positive IDT results (0%), including subjects who came in exacerbations and subjects with severe persistent asthma.

Conclusion: Positive results of IDT Aspergillus examination in asthma patients were 0%. The Aspergillus IDT examination cannot be used singly without other examinations to detect Aspergillus sensitization in asthmatic patients and without validation of the crude antigen Aspergillus used.

Abstrak :
ABSTRACT
Aspergilosis paru merupakan infeksi oportunistik yang disebabkan oleh jamur Aspergillus spp. Insidensi aspergilosis paru cenderung semakin meningkat seiring dengan peningkatan penggunaan obat-obatan imunosupresan seperti kortikosteroid dan terapi sitotoksik. Sulitnya penegakan diagnosis aspergilosis paru menjadi tantangan disebabkan tanda dan gejala klinis yang tidak spesifik serta biopsi jaringan sebagai baku emas yang bersifat invasif. Pemeriksaan kultur sputum dan deteksi antibodi merupakan pemeriksaan yang rutin dilakukan pada pasien suspek aspergilosis paru yang dikirim ke Laboratorium Mikologi Departemen Parasitologi FKUI, namun belum tersedia data mengenai nilai diagnostik deteksi antibodi dalam mendiagnosis aspergilosis paru. Tujuan penelitian ini adalah membandingkan pemeriksaan deteksi antibodi dengan crude antigen Aspergillus dengan metode imunodifusi dengan kultur sputum sebagai tes rujukan. Penelitian berdesain potong lintang dengan sampel berjumlah 689 rekam medis dari pasien suspek aspergilosis paru yang melakukan pemeriksaan kultur sputum dan deteksi antibodi di Laboratorium Mikologi Departemen Parasitologi FKUI tahun 2008-2015. Dari analisis deskriptif didapatkan prevalensi aspergilosis paru berdasarkan hasil positif kultur sebesar 0,4 . Dari uji diagnostik deteksi antibodi dengan tabel 2x2, nilai sensitivitas 33,33 dan spesifisitas 95,62 serta terdapatnya perbedaan yang bermakna.

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ABSTRACT
Pulmonary aspergillosis is an opportunistic infection caused by Aspergillus spp mold. The incidence of this infection has dramatically increased which is related to the increasing utilization of immunosuppressive drugs such as corticosteroids and cytotoxic therapy. Diagnosis of pulmonary aspergillosis has been challenging since not only the signs and symptoms of the disease are nonspecific, but also tissue biopsy as gold standard is considered invasive. Sputum culture and antibody detection has been routine examinations done to the patient with suspected pulmonary aspergillosis sent to the Mycology Laboratory of Department of Parasitology FMUI, but the diagnostic value of antibody detection is not available. The aim of this study is to compare antibody detection with immunodiffusion method using crude antigen of Aspergillus with sputum culture as reference test. This cross sectional study used 689 samples obtained from medical records of patients with suspected pulmonary aspergillosis who undergo both sputum culture examination and antibody detection in Mycology Laboratory of Department of Parasitology FMUI in 2008 2015. Descriptive analysis showed the prevalence of pulmonary aspergillosis based on positive culture result is 0,4 . The sensitivity and specificity of antibody detection are 33,33 and 95,62 respectively, resulted from diagnostic test using 2x2 table. Statistical analysis using McNemar rsquo s test shows significant difference between mentioned examinations and low level of agreement Kappa 0,026.