arterial duct

简明释义

勃得氏管

英英释义

例句

1.Doctors often monitor the arterial duct in premature infants for potential complications.

医生通常会监测早产儿的动脉导管以防潜在并发症。

2.In some cases, medication may be used to encourage the closure of a persistent arterial duct.

在某些情况下，可能使用药物来促进持续性动脉导管的闭合。

3.An echocardiogram can help visualize the arterial duct and assess its condition.

超声心动图可以帮助可视化动脉导管并评估其状况。

4.Closure of the arterial duct is essential for normal circulatory function after birth.

出生后，关闭动脉导管对正常循环功能至关重要。

5.The presence of a patent arterial duct can lead to increased blood flow to the lungs.

存在一个开放的动脉导管可能导致肺部血流增加。

作文

The human body is an intricate system composed of various organs and structures that work together to sustain life. Among these structures, the arterial duct plays a crucial role during fetal development. The arterial duct (also known as the ductus arteriosus) is a blood vessel that connects the pulmonary artery to the aorta, allowing blood to bypass the non-functioning lungs of the fetus. This unique feature is essential because, in the womb, the fetus receives oxygenated blood through the placenta rather than through its own lungs.At birth, the situation changes dramatically. As the newborn takes its first breaths, the lungs expand, and the pressure within the pulmonary circulation decreases. This change in pressure causes the arterial duct to close, typically within the first few days of life. The closure of the arterial duct is a natural process that helps redirect blood flow to the lungs, enabling the baby to breathe air and receive oxygen directly from its own respiratory system.However, in some cases, the arterial duct may not close properly, leading to a condition known as patent ductus arteriosus (PDA). This condition can result in abnormal blood flow between the aorta and the pulmonary artery, which may lead to increased workload on the heart and lungs. If left untreated, PDA can cause serious complications, including heart failure or pulmonary hypertension. Therefore, it is essential for healthcare providers to monitor newborns for signs of this condition.Treatment options for PDA vary depending on the severity of the case. In many instances, medication can be used to encourage the closure of the arterial duct. Nonsteroidal anti-inflammatory drugs (NSAIDs) are commonly prescribed for this purpose. If medication fails to close the duct, surgical intervention may be necessary. Surgeons can perform a minimally invasive procedure to ligate or clip the arterial duct, effectively closing it and restoring normal blood flow.Understanding the function and significance of the arterial duct is vital for both medical professionals and parents. Awareness of conditions like PDA can lead to early diagnosis and treatment, ultimately improving outcomes for affected infants. Furthermore, educating expectant parents about the arterial duct and its role in fetal circulation can help them appreciate the complexities of human development.In conclusion, the arterial duct is a remarkable feature of fetal physiology that ensures proper blood circulation before birth. Its closure at birth marks a significant transition in a newborn's life, allowing for independent respiration. While complications can arise if the arterial duct remains patent, timely medical intervention can effectively manage these issues. By fostering a better understanding of the arterial duct and its implications, we can enhance the care provided to newborns and support their healthy development into childhood and beyond.

人体是由各种器官和结构组成的复杂系统，这些器官和结构共同工作以维持生命。在这些结构中，动脉导管在胎儿发育过程中起着至关重要的作用。动脉导管（也称为动脉导管）是一条连接肺动脉和主动脉的血管，允许血液绕过胎儿尚未发挥功能的肺部。这个独特的特征是必不可少的，因为在子宫内，胎儿通过胎盘而不是通过自己的肺部获取氧气。出生时，情况发生了剧烈变化。当新生儿第一次呼吸时，肺部扩张，肺循环内的压力降低。这种压力的变化导致动脉导管关闭，通常在出生后的几天内完成。动脉导管的关闭是一个自然过程，有助于将血流引导到肺部，使婴儿能够呼吸空气并直接从自己的呼吸系统中获取氧气。然而，在某些情况下，动脉导管可能无法正确关闭，从而导致称为动脉导管未闭（PDA）的病症。这种情况可能导致主动脉和肺动脉之间的异常血流，可能会增加心脏和肺部的负担。如果不加以治疗，PDA可能会导致严重的并发症，包括心力衰竭或肺动脉高压。因此，医疗提供者需要监测新生儿是否有这种情况的迹象。PDA的治疗选择因病例的严重程度而异。在许多情况下，可以使用药物来促进动脉导管的关闭。非类固醇抗炎药（NSAIDs）通常被开处方用于此目的。如果药物未能关闭导管，则可能需要手术干预。外科医生可以进行微创手术来结扎或夹闭动脉导管，有效地关闭它并恢复正常的血流。了解动脉导管的功能和重要性对医疗专业人员和父母都至关重要。意识到像PDA这样的疾病可以导致早期诊断和治疗，从而改善受影响婴儿的结果。此外，教育准父母关于动脉导管及其在胎儿循环中的作用，可以帮助他们欣赏人类发育的复杂性。总之，动脉导管是胎儿生理学中的一个显著特征，确保在出生前的正常血液循环。它在出生时的关闭标志着新生儿生活中的重大转变，使其能够独立呼吸。虽然如果动脉导管保持未闭，可能会出现并发症，但及时的医疗干预可以有效管理这些问题。通过促进对动脉导管及其影响的更好理解，我们可以增强对新生儿的护理，并支持他们健康成长进入儿童时期及以后。