Ukuhlanganiswa kobuhlakani bokwenziwa (i-AI) nobuchwepheshe bezithombe obusezingeni eliphezulu kuletha inkathi entsha kwezempilo, kuletha izixazululo ezinembile, ezisebenzayo, neziphephile—ekugcineni kuthuthukisa imiphumela yokunakekelwa kweziguli.
Esimweni sezokwelapha esishintsha ngokushesha namuhla, intuthuko ekuthathweni kwezithombe ishintshe kakhulu ukuxilongwa kwezifo, okwenza kube lula ukutholakala kusenesikhathi kanye nokubikezela okungcono. Phakathi kwalezi zinto ezintsha, i-Photon Counting Computed Tomography (PCCT) ivelele njengentuthuko eguqulayo. Lobu buchwepheshe bokuthwebula izithombe besizukulwane esilandelayo budlula kakhulu izinhlelo ze-computed tomography (CT) ezivamile ngokunemba, ukusebenza kahle, kanye nokuphepha. I-PCCT ihlelelwe ukuchaza kabusha imikhuba yokuxilonga nokuphakamisa izinga lokuhlolwa kweziguli.
Ukubalwa kwe-Photon I-Computed Tomography (PCCT)
Izinhlelo ze-CT zendabuko zithembele kuma-detector asebenzisa inqubo enezinyathelo ezimbili ukulinganisa amandla ajwayelekile ama-photon e-X-ray (izinhlayiya zomsebe kagesi) ngesikhathi sokuthwebula izithombe. Le ndlela ingafaniswa nokuhlanganisa imibala ehlukahlukene ephuzi ibe umbala owodwa, ofanayo—inqubo yokulinganisa ekhawulela imininingwane kanye nokucaciswa.
Ngakolunye uhlangothi, i-PCCT isebenzisa ama-detector athuthukile akwazi ukubala ama-photon ngamanye ngqo ngesikhathi sokuskena kwe-X-ray. Lokhu kuvumela ukuhlukaniswa kwamandla okunembile, okufana nokugcina yonke imibala eyingqayizivele yephuzi kunokuyihlanganisa ibe yinye. Umphumela uba izithombe ezinemininingwane eminingi, ezinesinqumo esiphezulu ezivumela ukuhlukaniswa kwezicubu okuphezulu kanye nokuthwebula izithombe ze-multispectral, okunikeza ukunemba kokuxilonga okungakaze kubonwe.
Ukunemba Okuthuthukisiwe Kwezithombe
I-Coronary Artery Calcium Score, evame ukubizwa ngokuthi i-calcium score, iyisivivinyo sokuxilonga esivame ukucelwa esisetshenziselwa ukukala ama-calcium deposits emithanjeni yenhliziyo. I-score engaphezu kuka-400 isho ukunqwabelana okukhulu kwe-plaque, okubeka isiguli engozini enkulu yokuhlaselwa yinhliziyo noma isifo sohlangothi. Ukuze kuhlolwe ngokuningiliziwe ukuncishiswa kwemithambo yenhliziyo, kuvame ukusetshenziswa i-CT Coronary Angiogram (CTCA). Lokhu kuhlolwa kukhiqiza izithombe ezintathu-ntathu (3D) zemithambo yenhliziyo ukusiza ekuxilongweni.
Nokho, ukufakwa kwe-calcium ngaphakathi kwemithambo yenhliziyo kungonakalisa ukunemba kwe-CTCA. Lokhu kufakwa kungaholela "ekuqhakazeni kwezinto ezisetshenziswayo," lapho izinto ezixineneyo, njenge-calcifications, zibonakala zinkulu kunalokho eziyikho ngempela. Lokhu kuphambuka kungabangela ukulinganiswa ngokweqile kwezinga lokuncipha kwemithambo yegazi, okungase kuthinte ukwenziwa kwezinqumo zomtholampilo.
Enye yezinzuzo ezivelele ze-Photon Counting Computed Tomography (PCCT) yikhono layo lokuletha isinqumo sesithombe esingcono kakhulu uma kuqhathaniswa nezikena ze-CT zendabuko. Lokhu kuthuthuka kwezobuchwepheshe kunciphisa imikhawulo ebangelwa yi-calcifications, kuhlinzeka ngezithombe ezicacile nezinembile zemithambo yenhliziyo. Ngokunciphisa umthelela wezinto ezisetshenziswayo, i-PCCT isiza ekunciphiseni izinqubo zokuhlasela ezingadingekile futhi ithuthukise ukuthembeka kokuxilonga.
Ukuthuthukisa Ukunemba Kokuxilonga
I-PCCT iphinde iphumelele ekuhlukaniseni izicubu nezinto ezahlukahlukene, idlula amakhono e-CT evamile. Inselele enkulu ku-CTCA ukuthwebula imithambo yenhliziyo equkethe ama-stents ensimbi, avame ukwenziwa ngensimbi engagqwali noma ama-alloys akhethekile. Lawa ma-stents angakha izinto eziningi zobuciko kuma-CT scan endabuko, afihle imininingwane ebalulekile.
Ngenxa yesisombululo sayo esiphezulu kanye namakhono athuthukisiwe okunciphisa izinto ezidaliwe, i-PCCT inikeza izithombe ezicacile nezinemininingwane eminingi zama-stents enhliziyo. Lokhu kuthuthukiswa kuvumela odokotela ukuthi bahlole ama-stents ngokuzethemba okukhulu, kuthuthukisa ukunemba kokuxilongwa kanye nokuthuthukisa imiphumela yeziguli.
Ukunemba Okuthuthukisiwe Kokuxilongwa
Ukubala i-Photon I-Computed Tomography (PCCT) idlula i-CT evamile ngekhono layo lokuhlukanisa phakathi kwezicubu nezinto ezahlukahlukene. Isithiyo esikhulu ku-CT Coronary Angiography (CTCA) ukuhlola imithambo yenhliziyo equkethe ama-stents ensimbi, ngokuvamile enziwe ngensimbi engagqwali noma ama-alloy. Lawa ma-stents avame ukukhiqiza izinto eziningi ezisetshenziswayo kuma-CT scan ajwayelekile, okufihla imininingwane ebalulekile. Ukulungiswa okuphezulu kwe-PCCT kanye namasu okunciphisa izinto ezithuthukisiwe kwenza ikwazi ukukhiqiza izithombe ezibukhali nezinemininingwane eminingi zama-stents, okuthuthukisa kakhulu ukunemba kokuxilonga.
Ukuguqula Ukuthwebula Izithombe Ze-Oncology
I-PCCT iphinde ibe noshintsho emkhakheni we-oncology, inikeza ukunemba okungenakuqhathaniswa ekutholeni nasekuhlaziyeni isimila. Ingabona izimila ezincane njenge-0.2 mm, ibambe izifo ezibangelwa umdlavuza ezingabhekwa yi-CT yendabuko. Ngaphezu kwalokho, ikhono layo lokuthwebula izithombe ezixubile—ukubamba idatha kuwo wonke amazinga ahlukene wamandla—linikeza ukuqonda okubalulekile ngokwakheka kwezicubu. Lokhu kuthwebula izithombe okuthuthukisiwe kusiza ukuhlukanisa phakathi kwezicubu ezinobungozi nezinobungozi ngokunembe kakhudlwana, okuholela ekuhleleni umdlavuza okunembe kakhudlwana kanye nokuhlela ukwelashwa okuphumelelayo kakhudlwana.
Ukuhlanganiswa kwe-AI kokuxilongwa okulungiselelwe
Ukuhlanganiswa kwe-PCCT nobuhlakani bokwenziwa (AI) kanye nokufunda komshini kuhlelwe ukuchaza kabusha imisebenzi yokuthwebula izithombe zokuxilonga. Ama-algorithm asebenzisa i-AI athuthukisa ukuchazwa kwezithombe ze-PCCT, esiza odokotela be-radiology ngokuhlonza amaphethini nokuthola iziphambeko ngokusebenza kahle okukhulu. Lokhu kuhlanganiswa kuthuthukisa kokubili ukunemba kanye nesivinini sokuxilonga, okuvula indlela yokunakekelwa kweziguli okulula futhi okuphumelelayo.
Ukunemba Okuthuthukisiwe Kwezithombe
I-Coronary Artery Calcium Score, evame ukubizwa ngokuthi i-calcium score, iyisivivinyo sokuxilonga esivame ukucelwa esisetshenziselwa ukukala ama-calcium deposits emithanjeni yenhliziyo. I-score engaphezu kuka-400 isho ukunqwabelana okukhulu kwe-plaque, okubeka isiguli engozini enkulu yokuhlaselwa yinhliziyo noma isifo sohlangothi. Ukuze kuhlolwe ngokuningiliziwe ukuncishiswa kwemithambo yenhliziyo, kuvame ukusetshenziswa i-CT Coronary Angiogram (CTCA). Lokhu kuhlolwa kukhiqiza izithombe ezintathu-ntathu (3D) zemithambo yenhliziyo ukusiza ekuxilongweni.
Nokho, ukufakwa kwe-calcium ngaphakathi kwemithambo yenhliziyo kungonakalisa ukunemba kwe-CTCA. Lokhu kufakwa kungaholela "ekuqhakazeni kwezinto ezisetshenziswayo," lapho izinto ezixineneyo, njenge-calcifications, zibonakala zinkulu kunalokho eziyikho ngempela. Lokhu kuphambuka kungabangela ukulinganiswa ngokweqile kwezinga lokuncipha kwemithambo yegazi, okungase kuthinte ukwenziwa kwezinqumo zomtholampilo.
Enye yezinzuzo ezivelele ze-Photon Counting Computed Tomography (PCCT) yikhono layo lokuletha isinqumo sesithombe esingcono kakhulu uma kuqhathaniswa nezikena ze-CT zendabuko. Lokhu kuthuthuka kwezobuchwepheshe kunciphisa imikhawulo ebangelwa yi-calcifications, kuhlinzeka ngezithombe ezicacile nezinembile zemithambo yenhliziyo. Ngokunciphisa umthelela wezinto ezisetshenziswayo, i-PCCT isiza ekunciphiseni izinqubo zokuhlasela ezingadingekile futhi ithuthukise ukuthembeka kokuxilonga.
Ukuthuthukisa Ukunemba Kokuxilonga
I-PCCT iphinde iphumelele ekuhlukaniseni izicubu nezinto ezahlukahlukene, idlula amakhono e-CT evamile. Inselele enkulu ku-CTCA ukuthwebula imithambo yenhliziyo equkethe ama-stents ensimbi, avame ukwenziwa ngensimbi engagqwali noma ama-alloys akhethekile. Lawa ma-stents angakha izinto eziningi zobuciko kuma-CT scan endabuko, afihle imininingwane ebalulekile.
Ngenxa yesisombululo sayo esiphezulu kanye namakhono athuthukisiwe okunciphisa izinto ezidaliwe, i-PCCT inikeza izithombe ezicacile nezinemininingwane eminingi zama-stents enhliziyo. Lokhu kuthuthukiswa kuvumela odokotela ukuthi bahlole ama-stents ngokuzethemba okukhulu, kuthuthukisa ukunemba kokuxilongwa kanye nokuthuthukisa imiphumela yeziguli.
Ukuxilongwa Okulungiselelwe Ngokuhlanganisa i-AI
Ukuhlanganiswa kwe-Photon Counting Computed Tomography (PCCT) nobuhlakani bokwenziwa (AI) kanye nokufunda komshini kuguqula izinqubo zokuthwebula izithombe zokuxilonga. Ama-algorithms aqhutshwa yi-AI adlala indima ebalulekile ekuchazeni ukuskena kwe-PCCT ngokubona kahle amaphethini nokuthola ukukhubazeka, okusiza kakhulu odokotela be-radiology. Lokhu kubambisana kuthuthukisa kokubili ukunemba kanye nesivinini sokuxilonga, okuholela ekunakekelweni kweziguli okusebenzayo nokulula.
Intuthuko Eqhutshwa yi-AI Ekufanekiseni Izithombe
Ukuthwebula izithombe zezokwelapha kungena esigabeni sokuguqula, esisebenza nge-AI-enhanced PCCT kanye nezinhlelo ze-Tesla MRI ezithuthukisiwe. Ezigulini ezisolwa ngokuvinjwa kwemithambo yenhliziyo noma ama-stents afakwe, i-PCCT inikeza ukuskena okunembile ngokumangalisayo, kunciphisa ukuthembela ezindleleni zokuxilonga ezihlaselayo. Ukuxazulula kwayo okungenakuqhathaniswa kanye namakhono okuthwebula izithombe ze-multispectral kwenza kube lula ukuthola izimila ezincane njengo-2 mm, ukuhlukaniswa kwezicubu okunembe kakhudlwana, kanye nokuxilongwa okuthuthukisiwe komdlavuza.
Kubantu abasengozini yesifo samaphaphu, njengababhemayo, i-PCCT inikeza indlela ephumelelayo yokuhlonza izimila zamaphaphu kusenesikhathi, konke lokhu kubeka iziguli emisebeni encane—uma kuqhathaniswa ne-X-ray ezimbili zesifuba. Okwamanje, i-Tesla MRI ephezulu ibonakala iwusizo kubantu abadala ngokuvumela ukutholakala kusenesikhathi kwezimo ezifana nokukhubazeka okuncane kokuqonda, i-osteoarthritis, nezinye izifo ezihlobene nokuguga, ekugcineni kuthuthukisa ikhwalithi yokuphila ngokungenelela okufika ngesikhathi.
Ithuba Elisha Ekuthathweni Kwezithombe Zezokwelapha
Ukuhlanganiswa kwe-AI nobuchwepheshe bezithombe obusezingeni eliphezulu njenge-PCCT kanye ne-Tesla MRI ephezulu kuphawula intuthuko ebalulekile ekuxilongweni kwezokwelapha. Lokhu kusungula izinto ezintsha kuletha ukunemba okukhulu, ukusebenza kahle okuthuthukisiwe, kanye nokuphepha okuthuthukisiwe, okwakha ikusasa lapho imiphumela yesiguli ingcono kunanini ngaphambili. Lesi sikhathi esisha sokusebenza kahle ekuxilongweni sivula indlela yezixazululo zezempilo ezenzelwe wena futhi ezisebenzayo.
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I-injector yemidiya yokungafani enomfutho ophezuluFuthi ziyimishini ewusizo ebaluleke kakhulu emkhakheni wezithombe zezokwelapha futhi zivame ukusetshenziselwa ukusiza abasebenzi bezokwelapha ukuthi banikeze iziguli imidiya yokungafani. I-LnkMed ingumkhiqizi otholakala eShenzhen ogxile ekukhiqizeni le mishini yezokwelapha. Kusukela ngo-2018, ithimba lobuchwepheshe lenkampani belilokhu ligxile ocwaningweni nasekukhiqizweni kwama-injector e-contrast agent anengcindezi ephezulu. Umholi weqembu ungudokotela onolwazi lwe-R&D olungaphezu kweminyaka eyishumi. Lokhu kuqaphela okuhle kweUmjovo owodwa we-CT,Umjovo wekhanda eliphindwe kabili we-CT,Umjovo we-MRIfuthiI-Angiography yokucindezela okuphezulu(Umjovo we-DSA) ekhiqizwe yi-LnkMed iphinde iqinisekise ubungcweti bethimba lethu lobuchwepheshe - ukwakheka okuncane nokulula, izinto eziqinile, i-Perfect esebenzayo, njll., kuthengiswe ezibhedlela ezinkulu zasekhaya nasezimakethe zakwamanye amazwe.
Isikhathi sokuthunyelwe: Disemba-01-2024
