{"id":1127,"canonical_url":"https://www.kudos365.com/today-in-history/events/1969ce-apr-4--1127","name":"1969 CE, April 4","year":1969,"era":"CE","month":4,"day":4,"url":"https://www.kudos365.com/today-in-history/events/1969ce-apr-4--1127","iso-date":"1969-04-04","precision":"year-month-day","description":"\u003cp\u003eDr. Denton Cooley implants the first complete, temporary artificial heart in a human on April 4, 1969, at the Texas Heart Institute (THI), keeping the patient, Haskell Karp, alive for 64 hours, until a suitable heart donor was found.\u0026nbsp;\u003cbr\u003e\u003c/p\u003e","additional_details":"\u003cp\u003eKarp died thirty-two hours after receiving a new human heart, from renal failure and pneumonia. The operation proved the viability of the artificial heart as a temporary measure. That first artificial heart is now in the Smithsonian.\u003c/p\u003e","photo":"https://k365fs.imgix.net/8MWcMxjtQWSYqkROUGUU_Dr.%20Denton%20Cooley%20-%20PDR.jpg?auto=format,compress\u0026fit=clip\u0026max-w=1600","photo_width":142,"photo_height":90,"created_at":"2025-03-17T22:33:35-07:00","updated_at":"2026-04-04T12:08:41-07:00","breadcrumbs":{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"April History","item":"https://www.kudos365.com/today-in-history/april"},{"@type":"ListItem","position":2,"name":"April 4","item":"https://www.kudos365.com/today-in-history/april-4"}]},"schema":{"@context":"https://schema.org","@type":"Thing","@id":"https://www.kudos365.com/today-in-history/events/1969ce-apr-4--1127#eventK365","name":"1969 CE, April 4","headline":"Dr - 1969 CE","description":"Dr. Denton Cooley implants the first complete, temporary artificial heart in a human on April 4, 1969, at the Texas Heart Institute (THI), keeping the...","url":"https://www.kudos365.com/today-in-history/events/1969ce-apr-4--1127","additionalType":"HistoricalEvent","inLanguage":"en","datePublished":"2025-03-17T22:33:35-07:00","dateModified":"2026-04-04T12:08:41-07:00","publisher":{"@id":"https://www.kudos365.com/#organizationK365"},"image":{"@type":"ImageObject","url":"https://k365fs.imgix.net/8MWcMxjtQWSYqkROUGUU_Dr.%20Denton%20Cooley%20-%20PDR.jpg?auto=format,compress\u0026fit=clip\u0026max-w=1600","width":142,"height":90},"temporalCoverage":"1969-04-04","isPartOf":[{"@id":"https://www.kudos365.com/#websiteK365"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/april","name":"What Happened in April History"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/april-4#pageK365","name":"What Happened on April 4"}]}}