The time between procedures also allowed the twins to recover physically from the blood-vessel separation and to undergo rehabilitation and physical therapy, the doctors added.

“分阶段手术间隙可以允许双胞台在血管分离后进行身体恢复，并且进行复员和理疗，”医生补充说。

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Peter Carmel, president of the American Medical Association, said technology "offers great potential in health care," but he added that doctors' first priority should be with the patient.

美国医学协会主席彼得·卡梅尔说，技术“为医疗保健的发展提供了巨大的潜力”，但他补充说，医生的首要任务应该是照顾病人。

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Nevertheless, he added, observation will always be a powerful tool for doctors as they evaluate the health of their patients.

他还进一步指出：“尽管如此，观察仍将是医生一项评估病人健康状况的重要手段。”

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But the BHF added the current shortage of heart surgeons meant taking doctors away from practice to retrain them would have a knock-on effect on the service.

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He added that doctors had likened the situation to living with diabetes, which can be managed but is a lifelong condition.

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Prof Tearney added that the device could help doctors work out who is at risk and detect cancers at potentially more treatable stage.

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