{"id":4639,"date":"2025-11-17T10:24:00","date_gmt":"2025-11-17T03:24:00","guid":{"rendered":"https:\/\/www.oneonco.co.id\/blog\/?p=4639"},"modified":"2026-01-22T12:16:21","modified_gmt":"2026-01-22T05:16:21","slug":"hal-yang-tidak-boleh-dilakukan-sebelum-pet-scan","status":"publish","type":"post","link":"https:\/\/www.oneonco.co.id\/blog\/hal-yang-tidak-boleh-dilakukan-sebelum-pet-scan\/","title":{"rendered":"Hal yang Tidak Boleh Dilakukan Sebelum PET Scan"},"content":{"rendered":"\n<p>PET <em>scan<\/em> merupakan salah satu teknologi pencitraan paling sensitif dalam mendeteksi aktivitas metabolik sel, termasuk sel kanker, gangguan saraf, dan penyakit jantung. Agar hasil pemeriksaan akurat, kondisi tubuh perlu berada dalam keadaan stabil dan terkontrol. Karena itu, ada beberapa hal penting yang harus dihindari sebelum menjalani PET <em>scan<\/em>.<\/p>\n\n\n\n<p>Artikel ini membahas hal-hal yang sebaiknya tidak dilakukan sebelum PET <em>scan<\/em>, disertai penjelasan ilmiah dan dukungan dari pedoman medis internasional.<\/p>\n\n\n\n<p>Baca juga : <a href=\"https:\/\/www.oneonco.co.id\/blog\/pet-scan-adalah\/\">PET Scan &#8211; Penjelasan, Cara Kerja &amp; Informasi Terkait PET Scan<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mengapa Persiapan Sebelum PET <\/strong><strong><em>Scan<\/em><\/strong><strong> Sangat Penting?<\/strong><\/h2>\n\n\n\n<p>PET <em>scan<\/em> menggunakan radiofarmaka\/<em>tracer<\/em> seperti FDG yang akan diserap oleh jaringan dengan aktivitas metabolik tinggi. Ketidaksiapan atau perubahan kondisi tubuh dapat menyebabkan:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>hasil sulit diinterpretasi,<\/li>\n\n\n\n<li>distribusi FDG tidak merata,<\/li>\n\n\n\n<li>diagnosis menjadi tertunda,<\/li>\n\n\n\n<li>perlunya mengulang pemindaian.<\/li>\n<\/ul>\n\n\n\n<p>Pada kasus kanker, gangguan akurasi sekecil apa pun dapat memengaruhi pemilihan terapi. Surasi dan kolega menunjukkan bahwa aktivitas otot setelah berolahraga atau perubahan kadar glukosa dapat meningkatkan uptake FDG, sehingga lesi penting dapat tertutup dan sulit terlihat.<\/p>\n\n\n\n<p>Baca juga : <a href=\"https:\/\/www.oneonco.co.id\/blog\/pet-scan-digunakan-untuk-apa\/\">Kegunaan PET Scan dan Manfaatnya dalam Diagnosis Medis<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Hal yang Tidak Boleh Dilakukan Sebelum PET <\/strong><strong><em>Scan<\/em><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Tidak Mengonsumsi Makanan 6 Jam Sebelum Pemindaian<\/strong><\/h3>\n\n\n\n<p><strong>Mengapa harus puasa?<\/strong><br>Puasa diperlukan agar kadar gula darah stabil sehingga radiofarmaka terdistribusi dengan optimal.<\/p>\n\n\n\n<p><strong>Penjelasan ilmiah:<\/strong><br>Makanan, terutama yang mengandung karbohidrat, memicu pelepasan insulin. Kondisi ini menyebabkan FDG lebih banyak diserap oleh otot dan jaringan lemak, bukan oleh jaringan patologis yang ingin dievaluasi.<\/p>\n\n\n\n<p><strong>Yang diperbolehkan:<\/strong><br>Hanya air putih. Minuman manis, kopi, teh, jus, dan susu harus dihindari.<\/p>\n\n\n\n<p><strong>Acuan klinis:<\/strong><br>Pedoman dari NHS dan <em>Stanford Health Care<\/em> menyatakan bahwa puasa 6 jam merupakan standar global sebelum PET <em>scan<\/em>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Tidak Melakukan Olahraga Berat 24 Jam Sebelum Pemindaian<\/strong><\/h3>\n\n\n\n<p>Aktivitas fisik intens dapat meningkatkan metabolisme otot, sehingga penyerapan FDG ikut meningkat di area tersebut.<\/p>\n\n\n\n<p><strong>Dampaknya terhadap hasil PET:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>otot tampak \u201caktif\u201d dalam pencitraan,<\/li>\n\n\n\n<li>lesi kecil dapat tertutupi,<\/li>\n\n\n\n<li>interpretasi menjadi lebih sulit.<\/li>\n<\/ul>\n\n\n\n<p>Studi oleh Schwenzer dan Etgen menunjukkan bahwa aktivitas fisik dapat meningkatkan glikolisis otot hingga 48 jam setelahnya.<\/p>\n\n\n\n<p><strong>Yang dianjurkan:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>hindari olahraga berat 24 jam sebelum pemindaian,<\/li>\n\n\n\n<li>aktivitas ringan seperti berjalan santai diperbolehkan.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Tidak Menggunakan Produk atau Aksesori Berbahan Logam<\/strong><\/h3>\n\n\n\n<p>Logam dapat mengganggu pencitraan dan menyebabkan artefak, terutama pada bagian CT yang menyertai PET.<\/p>\n\n\n\n<p><strong>Yang harus dilepas:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>perhiasan,<\/li>\n\n\n\n<li>pakaian dengan resleting atau kancing logam,<\/li>\n\n\n\n<li>jam tangan,<\/li>\n\n\n\n<li>bra berkawat,<\/li>\n\n\n\n<li>jepit rambut,<\/li>\n\n\n\n<li>tindik.<\/li>\n<\/ul>\n\n\n\n<p>UCSF Radiology merekomendasikan mengenakan pakaian longgar tanpa unsur logam.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Tidak Menerima Terapi Obat Diabetes pada Pagi Hari Pemeriksaan<\/strong><\/h3>\n\n\n\n<p>Larangan ini terutama berlaku untuk insulin kerja cepat dan basal, serta obat penurun gula darah oral tertentu.<\/p>\n\n\n\n<p><strong>Alasan ilmiah:<\/strong><br>Obat diabetes dapat menurunkan kadar glukosa darah secara signifikan. Kondisi ini membuat tubuh lebih agresif menyerap FDG, sehingga:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>distribusi <em>tracer<\/em> tidak stabil,<\/li>\n\n\n\n<li>aktivitas metabolik tampak tidak sesuai kondisi klinis,<\/li>\n\n\n\n<li>risiko hipoglikemia meningkat.<\/li>\n<\/ul>\n\n\n\n<p>Pedoman NHS dan Stanford Health Care menyediakan instruksi khusus terkait dosis insulin dan jadwal terapi obat pada hari pemeriksaan.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Hal Penting Lain yang Perlu Diperhatikan Sebelum PET <\/strong><strong><em>Scan<\/em><\/strong><\/h2>\n\n\n\n<p>Selain empat larangan utama, beberapa hal berikut juga penting:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Hindari paparan suhu dingin ekstrem<\/strong><br>Suhu rendah dapat meningkatkan metabolisme <em>brown fat<\/em>, sehingga distribusi FDG meningkat pada leher dan bahu.<\/li>\n\n\n\n<li><strong>Hindari stres berlebihan<\/strong><br>Stres dapat meningkatkan aktivitas otot rahang dan leher yang memengaruhi distribusi <em>tracer<\/em>.<\/li>\n\n\n\n<li><strong>Hindari kafein dan nikotin<\/strong><br>Keduanya memengaruhi sirkulasi dan metabolisme.<\/li>\n\n\n\n<li><strong>Informasikan kondisi medis khusus<\/strong><br>Kehamilan, menyusui, alergi, serta penggunaan obat tertentu harus disampaikan sebelum pemeriksaan.<\/li>\n<\/ol>\n\n\n\n<p>Baca juga : <a href=\"https:\/\/www.oneonco.co.id\/blog\/kapan-anda-memerlukan-pet-scan\/\">Kapan Anda Memerlukan PET scan<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bagaimana Jika Instruksi Ini Tidak Diikuti?<\/strong><\/h2>\n\n\n\n<p>Ketidaktepatan persiapan dapat menyebabkan:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>hasil tidak akurat,<\/li>\n\n\n\n<li>perlunya mengulang pemindaian,<\/li>\n\n\n\n<li>diagnosis menjadi tertunda,<\/li>\n\n\n\n<li>perubahan rencana terapi.<\/li>\n<\/ul>\n\n\n\n<p>Dalam onkologi, akurasi PET sangat penting untuk menentukan stadium, menilai respons terapi, dan memantau perkembangan penyakit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kesimpulan<\/strong><\/h2>\n\n\n\n<p>Memahami hal yang tidak boleh dilakukan sebelum PET <em>scan<\/em> adalah langkah penting agar hasil pemeriksaan akurat dan dapat dipercaya. Dengan mengikuti panduan ini, kualitas gambar akan meningkat dan keputusan klinis dapat dibuat dengan lebih tepat.<\/p>\n\n\n\n<p>Baca juga : <a href=\"https:\/\/www.oneonco.co.id\/blog\/prosedur-pet-scan-kanker\/\">Prosedur PET Scan Kanker dari Persiapan hingga Tahap Pemeriksaan<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Referensi<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Surasi DS, O\u2019Malley JP, Bhambhvani P. 18F-FDG PET and PET\/CT patient preparation: a review of the literature. J Nucl Med Technol. 2014;42(1):5\u201313.<\/li>\n\n\n\n<li>Etgen GJ Jr, Etgen GM, Brozinick JT Jr, Ivy JL. Effects of exercise training on skeletal muscle glucose uptake and transport. Am J Physiol. 1993;264(3 Pt 1):C727\u201333.\u00a0<\/li>\n\n\n\n<li>National Health Service (NHS). PET scan preparation [Internet]. [cited 2025 Dec 1]. Available from: <a href=\"https:\/\/www.nhs.uk\/tests-and-treatments\/pet-scan\/\">https:\/\/www.nhs.uk\/tests-and-treatments\/pet-scan\/<\/a><\/li>\n\n\n\n<li>Stanford Health Care. PET Scan: Before the procedure [Internet]. [cited 2025 Dec 1]. Available from: <a href=\"https:\/\/stanfordhealthcare.org\/medical-tests\/p\/pet-scan\/procedures\/before.html\">https:\/\/stanfordhealthcare.org\/medical-tests\/p\/pet-scan\/procedures\/before.html<\/a><\/li>\n\n\n\n<li>UCSF Radiology. PET\/CT Preparation [Internet]. [cited 2025 Dec 1]. Available from: <a href=\"https:\/\/radiology.ucsf.edu\/patient-care\/prepare\/pet-ct\">https:\/\/radiology.ucsf.edu\/patient-care\/prepare\/pet-ct<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>PET scan merupakan salah satu teknologi pencitraan paling sensitif dalam mendeteksi aktivitas metabolik sel, termasuk sel kanker, gangguan saraf, dan penyakit jantung. Agar hasil pemeriksaan akurat, kondisi tubuh perlu berada [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4640,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"breadcrumbs_single_post":"","page_title_panel":"","breadcrumbs_single_page":"","single_page_alignment":"","single_page_margin":"","page_structure_type":"","content_style_source":"","content_style":"","blog_post_streched_ed":"","blog_page_streched_ed":"","has_transparent_header":"","disable_transparent_header":"","vertical_spacing_source":"","content_area_spacing":"","single_post_content_background":"","single_page_content_background":"","single_post_boxed_content_spacing":"","single_page_boxed_content_spacing":"","single_post_content_boxed_radius":"","single_page_content_boxed_radius":"","disable_featured_image":"","disable_post_tags":"","disable_author_box":"","disable_posts_navigation":"","disable_comments":"","disable_related_posts":"","disable_header":"","disable_footer":"","footnotes":"","_rishi_post_view_count":244},"categories":[204],"tags":[141],"class_list":["post-4639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pet-scan","tag-pet-scan","rishi-post"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hal yang Tidak Boleh Dilakukan Sebelum PET Scan - Oneonco<\/title>\n<meta name=\"description\" content=\"Apa saja hal yang harus dihindari sebelum melakukan PET Scan? 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