身体位置对 transesophageal 心房节奏在狗的影响
Tamilselvam Gunasekaran1, Robert A Sanders1
1Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA.
Veterinary anaesthesia and analgesia
|June 26, 2024
概括
过食道心房节拍 (TEAP) 对于狗来说是有效的,无论身体的位置如何. 这项研究发现,在各种倒置状态下,节奏值或捕获区之间没有显著差异,这表明应用的灵活性.
科学领域:
- 兽医心脏病学 兽医心脏病学
- 麻醉学 麻醉学
- 比较生理学比较生理学
背景情况:
- 胸是狗的全身麻醉期间常见的并发症.
- 过食道心房节奏调节 (TEAP) 提供了一个潜在的治疗选择,用于管理心.
- 患者定位对狗TEAP疗效的影响尚未得到充分证实.
研究的目的:
- 为了确定不同身体位置对狗的横食道心房节奏 (TEAP) 的成功和参数的影响.
- 评估身体位置是否会影响TEAP期间的最低步调值 (MPT) 和捕获区域 (ZOC).
主要方法:
- 一个前性的实验试验是在八只混合品种的狗身上进行的.
- 经食道心房节奏 (TEAP) 使用横口导管在左侧,右侧,腹部和背部倒卧处进行.
- 最低节奏值 (MPT) 和捕获区 (ZOC) 记录在5毫米的增量,直到心房捕获失败.
主要成果:
- 在所有测试的身体位置 (左侧,右侧,腹部,背部) 中成功实现了TEAP.
- 在各种身体位置的最低步调值 (MPT) 或捕获区域 (ZOC) 中没有发现统计学上显著的差异.
- 个体狗的变化显著影响了捕获区 (ZOC),但没有影响最低步调值 (MPT).
结论:
- 过食道心房节奏 (TEAP) 是一种可行的技术,适用于狗在任何身体位置.
- 患者的复发并没有显著改变TEAP在MPT或ZOC方面的疗效.
- 需要进一步的研究来比较TEAP与麻醉诱导的狗胸的药理疗法.
相关概念视频
01:30Factors Influencing Heart Rate
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
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01:13Location and Orientation of the Heart
The human heart, despite its modest size and weight, is an organ of remarkable strength and endurance. Roughly the size of a fist, the heart weighs between 250 and 350 grams and is nestled within the mediastinum, the medial cavity of the thorax. It extends obliquely for about 12 to 14 cm, resting on the superior surface of the diaphragm. The heart is positioned anterior to the vertebral column and posterior to the sternum, with two-thirds of its mass lying to the left of the midsternal line.
01:15Heart Sounds
Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V) valves at the...
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V) valves at the...
01:26Imbalances in Cardiac Output
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
01:19Cardiac Output I:Effect of Heart Rate on Cardiac Output
Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart rate...
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart rate...
01:25Cardiovascular System Abnormal Findings II: Auscultation
Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
Gallops:
Abnormal Heart Sounds
Gallops: