{"story":{"story_id":90142,"version":1,"published_at":"2026-10-15T16:10:33.558773+00:00","status":"PUBLISHED","title":"Aortic root enlargement technique allows surgeons to implant heart valves at least two sizes larger","summary":"When replacing the aortic valve, a small aortic root can limit the size of the prosthetic valve that can be implanted. If the new valve is too small in relation to the patient's body, the heart must continue to work against increased resistance—a so-called patient-prosthesis mismatch, which is associated with poorer clinical outcomes.","category":"saglik","source_url":"https://medicalxpress.com/news/2026-10-aortic-root-enlargement-technique-surgeons.html","content_hash":"89645c8497a9f8c931910e168123419344af5ee9aabf28cacca8f41b6df6f3a7","created_at":"2026-10-15 16:11:16","updated_at":"2026-10-15 16:11:16","language":"en","source_domain":"trthaber.com","source_snapshot_path":"C:\\AYRA\\prod\\app\\data\\snapshots\\00090142_medicalxpress_com.html.gz","source_snapshot_hash":"78ab0fe1e1e7f3b70ac3a7b980935dbc0427fc88a57db88dbea192e1d215b4bd","source_snapshot_at":"2026-10-15T16:11:16.881824+00:00","capture_method":"rss","masa_score":0,"masa_tier":"UNRATED","masa_lenses":null,"masa_is_spam":0,"masa_updated_at":null,"admiralty_grade":null,"admiralty_score":0,"confirmation_level":3,"confirmation_sources":0,"lens_count":0,"threat_level":"DUSUK","threat_weight":10,"ach_count":0,"ach_top":null,"scheduled_at":null,"cycle_interval_hours":null,"status_note":null,"updated_by":null,"image_url":"https://scx1.b-cdn.net/csz/news/tmb/2026/cardiac-surgery-team-a.jpg","independence_group":null,"canonical_id":null,"decision":null},"entities":[{"entity_type":"place","entity_name":"Çin","mentions_count":1}],"related":[{"story_id":90077,"title":"John Healey poised to raise taxes on banks in budget","category":"dunya","published_at":"2026-10-15T16:00:35+00:00","relation_type":"SHARED_ENTITY"},{"story_id":90074,"title":"KuPS - Trabzonspor maçı CANLI İZLE | Konferans Ligi","category":"spor","published_at":"2026-10-15T17:58:26+03:00","relation_type":"SHARED_ENTITY"},{"story_id":90056,"title":"STAT+: Verastem’s KRAS inhibitor shows promise in pancreatic cancer","category":"saglik","published_at":"2026-10-15T15:43:15+00:00","relation_type":"SHARED_ENTITY"},{"story_id":89990,"title":"Cost of balancing Great Britain’s power grid reaches nearly £50m a day","category":"dunya","published_at":"2026-10-15T15:36:16+00:00","relation_type":"SHARED_ENTITY"},{"story_id":89896,"title":"Cult venue Prince Charles cinema ‘saved’ after lease renewal signed","category":"dunya","published_at":"2026-10-15T15:20:11+00:00","relation_type":"SHARED_ENTITY"},{"story_id":89890,"title":"KuPS Kuopio-Trabzonspor maçının ilk 11'leri belli oldu","category":"ekonomi","published_at":"2026-10-15T18:37:00+03:00","relation_type":"SHARED_ENTITY"},{"story_id":89877,"title":"Beyond Human Supervision: Accountability for Hallucinatory Errors in Autonomous Targeting Failure.","category":"teknoloji","published_at":"2026-10-15T15:07:01+00:00","relation_type":"SHARED_ENTITY"},{"story_id":89873,"title":"After a melanoma diagnosis, mRNA cancer vaccine delivered a patient hope — and a path forward","category":"saglik","published_at":"2026-10-15T15:25:08+00:00","relation_type":"SHARED_ENTITY"},{"story_id":89807,"title":"Endonezya’da gökyüzü turuncuya büründü, duman Singapur’u kapladı","category":"dunya","published_at":"2026-10-15T16:56:40+02:00","relation_type":"SHARED_ENTITY"},{"story_id":89802,"title":"Riyad'daki havalimanı saldırısının yeni görüntüleri ortaya çıktı! 17 kişi hayatını kaybetti, 333 kişi yaralandı","category":"genel","published_at":"2026-10-15T18:07:33+03:00","relation_type":"SHARED_ENTITY"}],"timeline":[{"event_date":"2026-10-15T16:10:33.558773+00:00","event_type":"PUBLICATION","description":"Aortic root enlargement technique allows surgeons to implant heart valves at least two sizes larger"}]}