{"id":6430,"date":"2024-10-02T14:36:01","date_gmt":"2024-10-02T14:36:01","guid":{"rendered":"https:\/\/hawkcell.com\/case-study-academia-qmri\/"},"modified":"2026-07-01T08:25:58","modified_gmt":"2026-07-01T08:25:58","slug":"case-study-academia-qmri","status":"publish","type":"page","link":"https:\/\/hawkcell.com\/pt-pt\/case-study-academia-qmri\/","title":{"rendered":"Case study#3 Academia &#8211; qMRI"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-landing-page.php","meta":{"_acf_changed":false,"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-6430","page","type-page","status-publish","hentry"],"acf":{"home_sections":[{"acf_fc_layout":"hero_section","title":"Precis\u00e3o em qMRI","subtitle":"Aplica\u00e7\u00f5es reais da tecnologia HawkCell.","background_image":2254,"add_cta":"","button_text":"","button_url":""},{"acf_fc_layout":"accordion_menu","title":"Estudo de caso","subtitle":"","title_layout":"left","accordion_item":[{"question":"Estudo de caso","answer":"<strong><span style=\"color: #f3a12c;\">A Resson\u00e2ncia Magn\u00e9tica Quantitativa (qMRI)<\/span><\/strong> \u00e9 uma ferramenta poderosa que permite medir com precis\u00e3o propriedades dos tecidos, como os tempos de relaxamento T1 e T2. Estes par\u00e2metros s\u00e3o essenciais para compreender a estrutura, a fun\u00e7\u00e3o e a patologia dos tecidos. No entanto, a qMRI pode ser desafiante devido ao <strong><span style=\"color: #f3a12c;\">ru\u00eddo e aos artefactos<\/span><\/strong>, que podem distorcer os valores medidos. A <strong><span style=\"color: #f3a12c;\">HawkAI<\/span><\/strong>, um algoritmo avan\u00e7ado de processamento de imagem, oferece uma resposta dedicada a estes desafios ao preservar os par\u00e2metros de relaxometria enquanto melhora a qualidade de imagem.\r\n\r\n<!-- notionvc: cdba61ba-e3da-462f-b722-63980d7bff1a -->"},{"question":"Import\u00e2ncia da relaxometria","answer":"Os <strong><span style=\"color: #f3a12c;\">par\u00e2metros de relaxometria<\/span><\/strong>, em particular T1 e T2, s\u00e3o fundamentais na qMRI. A relaxa\u00e7\u00e3o T1 reflete a velocidade com que a magnetiza\u00e7\u00e3o longitudinal regressa ao equil\u00edbrio ap\u00f3s um pulso de radiofrequ\u00eancia. A relaxa\u00e7\u00e3o T2 reflete o decaimento da magnetiza\u00e7\u00e3o transversal ao longo do tempo. Estes par\u00e2metros s\u00e3o sens\u00edveis \u00e0 microestrutura dos tecidos, ao teor de \u00e1gua e aos processos patol\u00f3gicos, tornando-os <strong><span style=\"color: #f3a12c;\">biomarcadores valiosos<\/span><\/strong> para v\u00e1rias doen\u00e7as.\r\n\r\n<!-- notionvc: 8fb27e42-c028-4882-8876-72814e61543c -->\r\n\r\n<!-- notionvc: ee360734-0789-414d-8d53-cdcdd76ae8f5 -->"},{"question":"Desafios da RM quantitativa","answer":"V\u00e1rios fatores podem comprometer a precis\u00e3o das medi\u00e7\u00f5es de qMRI:\r\n\r\n<strong><span style=\"color: #f3a12c;\">Ru\u00eddo:<\/span><\/strong> o ru\u00eddo pode introduzir erros na estimativa dos par\u00e2metros de relaxometria, conduzindo a resultados enviesados.\r\n\r\n<strong><span style=\"color: #f3a12c;\">Artefactos:<\/span><\/strong> artefactos como ghosting, ringing e distor\u00e7\u00f5es relacionadas com o movimento podem deformar o sinal medido e afetar a precis\u00e3o da an\u00e1lise quantitativa.\r\n\r\n<strong><span style=\"color: #f3a12c;\">Inomogeneidade:<\/span><\/strong> as inomogeneidades do campo magn\u00e9tico podem causar varia\u00e7\u00f5es no sinal medido, levando a erros na estimativa dos par\u00e2metros de relaxometria."},{"question":"HawkAI para RM quantitativa","answer":"<strong><span style=\"color: #f3a12c;\">HawkAI<\/span><\/strong> \u00e9 um algoritmo sofisticado de p\u00f3s-processamento concebido para melhorar a qualidade de imagem, preservando simultaneamente caracter\u00edsticas essenciais. Oferece v\u00e1rias vantagens para a RM quantitativa:\r\n\r\n<strong><span style=\"color: #f3a12c;\">Redu\u00e7\u00e3o de ru\u00eddo:<\/span><\/strong> a HawkAI reduz eficazmente o ru\u00eddo nas imagens de RM, melhora a rela\u00e7\u00e3o sinal-ru\u00eddo e diminui os erros na estimativa dos par\u00e2metros de relaxometria.\r\n\r\n<strong><span style=\"color: #f3a12c;\">Preserva\u00e7\u00e3o dos par\u00e2metros de relaxometria*:<\/span><\/strong> uma das principais vantagens da HawkAI \u00e9 a sua capacidade de preservar par\u00e2metros de relaxometria, como T1 e T2. Isto \u00e9 conseguido atrav\u00e9s de um equil\u00edbrio cuidadoso entre a redu\u00e7\u00e3o de ru\u00eddo e a preserva\u00e7\u00e3o das caracter\u00edsticas da imagem, assegurando que as propriedades subjacentes dos tecidos n\u00e3o s\u00e3o distorcidas.\r\n*valida\u00e7\u00e3o em curso.\r\n\r\n<strong><span style=\"color: #f3a12c;\">Melhor precis\u00e3o quantitativa:<\/span><\/strong> ao reduzir o ru\u00eddo, a HawkAI pode melhorar de forma significativa a precis\u00e3o das medi\u00e7\u00f5es de RM quantitativa, conduzindo a resultados mais fi\u00e1veis e informativos."},{"question":"Aplica\u00e7\u00f5es da HawkAI em qMRI","answer":"A HawkAI pode ser aplicada a uma ampla gama de utiliza\u00e7\u00f5es em RM quantitativa, incluindo:\r\n\r\n<strong><span style=\"color: #f3a12c;\">Imagem cerebral:<\/span><\/strong> quantifica\u00e7\u00e3o dos valores T1 e T2 no tecido cerebral para estudar doen\u00e7as neurodegenerativas, AVC e tumores.\r\n\r\n<strong><span style=\"color: #f3a12c;\">Imagem hep\u00e1tica:<\/span><\/strong> quantifica\u00e7\u00e3o dos valores T1 e T2 no tecido hep\u00e1tico para avaliar a fun\u00e7\u00e3o do f\u00edgado e detetar doen\u00e7a hep\u00e1tica."},{"question":"Conclus\u00e3o","answer":"<strong><span style=\"color: #f3a12c;\">HawkAI<\/span><\/strong> representa uma ferramenta poderosa para melhorar a RM quantitativa, preservando os par\u00e2metros de relaxometria. Pode aumentar a precis\u00e3o e a fiabilidade das medi\u00e7\u00f5es quantitativas, conduzindo a resultados mais informativos e clinicamente relevantes."}],"close_accordion":["close"],"button_text":"","button_url":"","background":"grey"},{"acf_fc_layout":"3_ctas","title":"Outros estudos de caso","cta_1_title":"Qualidade de imagem","cta_1_subtitle":"Melhorar a qualidade de imagem.","cta_1_button_text":"Ler mais","cta_1_button_url":"case-study-academia-image-quality","cta_1_image":2922,"cta_2_title":"Tempo de aquisi\u00e7\u00e3o","cta_2_subtitle":"Acelerar aquisi\u00e7\u00f5es de RM.","cta_2_button_text":"Ler mais","cta_2_button_url":"case-study-academia-scan-time","cta_2_image":2954,"cta_3_title":"","cta_3_subtitle":"","cta_3_button_text":"","cta_3_button_url":"","cta_3_image":"","background":"dark"},{"acf_fc_layout":"image_section","image":2009,"top_colour":"dark","bottom_colour":"white"},{"acf_fc_layout":"3_ctas","title":"Os nossos servi\u00e7os","cta_1_title":"Para Academia","cta_1_subtitle":"Melhorar a imagem e reduzir o tempo.","cta_1_button_text":"Saiba mais","cta_1_button_url":"hawkai-researchers","cta_1_image":1746,"cta_2_title":"Para CRO","cta_2_subtitle":"Simplificar estudos pr\u00e9-cl\u00ednicos de RM.","cta_2_button_text":"Saiba mais","cta_2_button_url":"services-cro","cta_2_image":1610,"cta_3_title":"Para BioTech \/ MedTech","cta_3_subtitle":"Conhe\u00e7a os nossos biomarcadores de imagem.","cta_3_button_text":"Saiba mais","cta_3_button_url":"services-biotech-medtech","cta_3_image":1606,"background":"white"},{"acf_fc_layout":"contact","title":"Experimente agora","subtitle":"Agende uma chamada de descoberta com um dos nossos representantes","contact_form_embed":"[contact-form-7 id=\"b73fc19\" title=\"Formul\u00e1rio de contacto\"]","background":"grey"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HawkCell | Shaping the future of healthcare, one image at a time<\/title>\n<meta name=\"description\" content=\"A plug-and-play solution turning human MRI into the first animal-dedicated imaging enhanced with AI algorithms. 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