KR102371477B1 - 맥관구조를 수치 평가하는 시스템들 및 방법들 - Google Patents
맥관구조를 수치 평가하는 시스템들 및 방법들 Download PDFInfo
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Abstract
Description
도 1은 비침습적으로 획득된 이미징 데이터를 사용하여 생성되는, 환자의 관상 맥관구조의 대표적인 3차원 모델을 도시한다;
도 2는 본 개시의 실시예들에 따른 환자 관상 맥관구조를 스코어링하는 대표적인 시스템 및 네트워크의 블록도이다;
도 3은 본 개시의 실시예들에 따른 환자 관상 맥관구조를 스코어링하는 대표적인 방법의 흐름도이다;
도 4는 본 개시의 실시예들에 따른 특정 환자 내의 관상 혈류와 관련되는 다양한 정보를 제공하는 시스템의 개략도이다; 및
도 5는 본 개시의 실시예들에 따른 특정 환자 내의 관상 혈류와 관련되는 다양한 정보를 제공하는 대표적인 방법의 블록도이다.
Claims (20)
- 환자에 대한 심혈관 스코어를 제공하는 방법으로서,
상기 방법은,
적어도 하나의 컴퓨터 시스템을 사용하여, 환자의 맥관구조의 적어도 일부의 맥관 기하학 구조(geometry)에 관한 환자 특정 이미지 데이터를 수신하는 단계;
적어도 하나의 컴퓨터 시스템을 사용하여, 상기 환자 특정 이미지 데이터에 기초하여 맥관 기하학 구조의 해부학적 모델을 생성하는 단계;
상기 해부학적 모델 및/또는 환자 특정 이미지 데이터에 기초하여, 적어도 하나의 컴퓨터 시스템을 사용하여, 다수의 특성의 평가를 획득하기 위해 맥관 기하학 구조의 다수의 특성을 평가하는 단계; 및
적어도 하나의 컴퓨터 시스템을 사용하여, 다수의 특성의 평가에 기초하여 심혈관 스코어를 자동으로 생성하는 단계
를 포함하고,
미리 결정된 스코어 미만인 심혈관 스코어의 값은 상기 환자에 대한 경피적 관상 중재(Percutaneous Coronary Intervention; PCI)의 선택에 대응되고, 미리 결정된 스코어 초과인 심혈관 스코어의 값은 상기 환자에 대한 관상 동맥 우회술(Coronary Artery Bypass Grafting; CABG)의 선택에 대응되는 방법. - 제1항에 있어서, 환자의 맥관구조는 환자의 관상 맥관구조이고,
다수의 특성은 관상 맥관구조의 하나 이상의 병든 세그먼트의 특성인 방법. - 제2항에 있어서, 다수의 특성은:
전체 폐색의 유무,
이분지의 유무,
삼분지의 유무,
심장 질병의 유무,
비틀림,
협착의 길이,
석회화 플라크의 치수,
혈전의 유무, 및
확산 질병의 유무로부터 선택된 적어도 하나를 포함하는 방법. - 제2항에 있어서,
적어도 하나의 컴퓨터 시스템을 사용하여, 해부학적 모델을 관상 맥관구조의 복수의 세그먼트를 각각 나타내는 복수의 해부학적 모델 세그먼트로 세그먼트화하는 단계를 추가로 포함하고,
복수의 해부학적 모델 세그먼트는 하나 이상의 병든 세그먼트를 각각 나타내는 하나 이상의 해부학적 모델 세그먼트를 포함하는 방법. - 제4항에 있어서,
다수의 특성을 평가하는 단계는 다수의 특성의 컴퓨터 평가를 결정하기 위해 하나 이상의 해부학적 모델 세그먼트를 분석하는 단계를 포함하는 방법. - 제2항에 있어서,
환자의 관상 맥관구조의 하나 이상의 병든 세그먼트 각각은 혈류 성질을 가지고,
심혈관 스코어는 기능 심혈관 스코어인 방법. - 제6항에 있어서,
적어도 하나의 컴퓨터 시스템을 사용하여, 하나 이상의 병든 세그먼트 각각에 대한 각각의 분획 혈류 예비력(FFR) 값을 결정하는 단계를 추가로 포함하고,
혈류 성질은 미리 결정된 임계값 아래이도록 결정된 분획 혈류 예비력(FFR) 값인 방법. - 제1항에 있어서, 다수의 특성은:
해부학적 모델의 이미지 대비, 이미지 윤곽, 이미지 경사, 사후 처리 이미지, 이미지 강도, 형상, 및 체적 측정 메시 중 하나 이상의 분석에 기초하여 평가되는 방법. - 컴퓨터 시스템으로서,
명령을 저장하는 메모리; 및
동작을 수행하기 위한 명령을 실행하도록 구성된 하나 이상의 프로세서를 포함하고,
상기 동작은:
환자의 맥관구조의 적어도 일부의 맥관 기하학 구조에 관한 환자 특정 이미지 데이터를 수신하는 것;
상기 환자 특정 이미지 데이터에 기초하여 맥관 기하학 구조의 해부학적 모델을 생성하는 것;
상기 해부학적 모델 및/또는 환자 특정 이미지 데이터에 기초하여, 다수의 특성의 평가를 획득하기 위해 맥관 기하학 구조의 다수의 특성을 평가하는 것; 및
다수의 특성의 평가에 기초하여 심혈관 스코어를 자동으로 생성하는 것
을 포함하고,
미리 결정된 스코어 미만인 심혈관 스코어의 값은 상기 환자에 대한 경피적 관상 중재의 선택에 대응되고, 미리 결정된 스코어 초과인 심혈관 스코어의 값은 상기 환자에 대한 관상 동맥 우회술의 선택에 대응되는 컴퓨터 시스템. - 제9항에 있어서, 환자의 맥관구조는 환자의 관상 맥관구조이고,
다수의 특성은 관상 맥관구조의 하나 이상의 병든 세그먼트의 특성인 컴퓨터 시스템. - 제10항에 있어서, 다수의 특성은:
전체 폐색의 유무,
이분지의 유무,
삼분지의 유무,
심장 질병의 유무,
비틀림,
협착의 길이,
석회화 플라크의 치수,
혈전의 유무, 및
확산 질병의 유무로부터 선택된 적어도 하나를 포함하는 컴퓨터 시스템. - 제10항에 있어서,
상기 동작은 해부학적 모델을 관상 맥관구조의 복수의 세그먼트를 각각 나타내는 복수의 해부학적 모델 세그먼트로 세그먼트화하는 것을 추가로 포함하고,
복수의 해부학적 모델 세그먼트는 하나 이상의 병든 세그먼트를 각각 나타내는 하나 이상의 해부학적 모델 세그먼트를 포함하는 컴퓨터 시스템. - 제12항에 있어서,
다수의 특성을 평가하는 것은 다수의 특성의 컴퓨터 평가를 결정하기 위해 하나 이상의 해부학적 모델 세그먼트를 분석하는 것을 포함하는 컴퓨터 시스템. - 제10항에 있어서,
환자의 관상 맥관구조의 하나 이상의 병든 세그먼트 각각은 혈류 성질을 가지고,
심혈관 스코어는 기능 심혈관 스코어인 컴퓨터 시스템. - 제14항에 있어서,
상기 동작은 하나 이상의 병든 세그먼트 각각에 대한 각각의 분획 혈류 예비력(FFR) 값을 결정하는 것을 추가로 포함하고,
혈류 성질은 미리 결정된 임계값 아래이도록 결정된 분획 혈류 예비력(FFR) 값인 컴퓨터 시스템. - 제9항에 있어서, 다수의 특성은:
해부학적 모델의 이미지 대비, 이미지 윤곽, 이미지 경사, 사후 처리 이미지, 이미지 강도, 형상, 및 체적 측정 메시 중 하나 이상의 분석에 기초하여 평가되는 컴퓨터 시스템. - 컴퓨터 시스템의 하나 이상의 프로세서에 의해 실행될 때, 컴퓨터 시스템으로 하여금 방법을 수행하게 하도록 하는 명령을 저장하는 비-일시적 컴퓨터-판독가능 저장 디바이스로서, 상기 방법은:
환자의 맥관구조의 적어도 일부의 맥관 기하학 구조에 관한 환자 특정 이미지 데이터를 수신하는 단계;
상기 환자 특정 이미지 데이터에 기초하여 맥관 기하학 구조의 해부학적 모델을 생성하는 단계;
상기 해부학적 모델 및/또는 환자 특정 이미지 데이터에 기초하여, 다수의 특성의 평가를 획득하기 위해 맥관 기하학 구조의 다수의 특성을 평가하는 단계; 및
다수의 특성의 평가에 기초하여 심혈관 스코어를 자동으로 생성하는 단계
를 포함하고,
미리 결정된 스코어 미만인 심혈관 스코어의 값은 상기 환자에 대한 경피적 관상 중재의 선택에 대응되고, 미리 결정된 스코어 초과인 심혈관 스코어의 값은 상기 환자에 대한 관상 동맥 우회술의 선택에 대응되는 비-일시적 컴퓨터-판독가능 저장 디바이스. - 제17항에 있어서, 환자의 맥관구조는 환자의 관상 맥관구조이고,
다수의 특성은 관상 맥관구조의 하나 이상의 병든 세그먼트의 특성인 비-일시적 컴퓨터-판독가능 저장 디바이스. - 제18항에 있어서, 다수의 특성은:
전체 폐색의 유무,
이분지의 유무,
삼분지의 유무,
심장 질병의 유무,
비틀림,
협착의 길이,
석회화 플라크의 치수,
혈전의 유무, 및
확산 질병의 유무로부터 선택된 적어도 하나를 포함하는 비-일시적 컴퓨터-판독가능 저장 디바이스. - 제18항에 있어서,
동작은 해부학적 모델을 관상 맥관구조의 복수의 세그먼트를 각각 나타내는 복수의 해부학적 모델 세그먼트로 세그먼트화하는 것을 추가로 포함하고,
복수의 해부학적 모델 세그먼트는 하나 이상의 병든 세그먼트를 각각 나타내는 하나 이상의 해부학적 모델 세그먼트를 포함하는 비-일시적 컴퓨터-판독가능 저장 디바이스.
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