在体重小于20公斤的儿科患者中,RHYTHMIA映射系统的技术可行性
Wataru Sasaki1, Taisuke Nabeshima2, Kouta Nagaoka2
1Department of Cardiology, Saitama Medical University International Medical Center, Saitama, Japan.
Pacing and clinical electrophysiology : PACE
|February 5, 2026
概括
在20公斤以下的患者中,RHYTHMIA映射系统对于儿科导管切除是安全有效的. 这种高密度映射系统允许成功治疗脑上心脏节律失常,而不会增加并发症.
科学领域:
- 儿科电子生理学 儿科电子生理学
- 心律不整的管理心律不整管理
- 最少侵入性的心脏手术
背景情况:
- 儿科导管切除带来了独特的技术挑战.
- 高密度映射系统RHYTHMIA在儿科电生理学中越来越受欢迎.
- 关于其在体重非常低的儿科患者 (<20公斤) 中使用的数据有限.
研究的目的:
- 评估RHYTHMIA映射系统在体重小于20公斤的儿科患者中的可行性和安全性.
- 为了比较小儿科患者<20公斤和≥20公斤进行导管切除的过程参数.
- 评估这些患者群体中并发症的发生率.
主要方法:
- 通过RHYTHMIA系统对125名儿童患者进行回顾性分析,这些患者因心室上空心律不整而接受了导管切除.
- 患者被分为两组:<20公斤 (n=14) 和≥20公斤 (n=111).
- 在右心房 (RA) 和左心房 (LA) 的映射时间,节拍,电极,重新注释和并发症的比较.
主要成果:
- 在RA和LA两种类型的<20公斤和≥20公斤组之间,在映射时间,接受的节拍或电图中没有发现显著差异.
- 20公斤以下的群体在RA中需要更多的手动重新注释.
- 两组之间没有观察到程序并发症的显著差异.
结论:
- 对于体重小于20公斤的儿科患者,RHYTHMIA映射系统在技术上是可行的.
- 在这群人群中使用它与主要的程序并发症无关.
- 建议谨慎应用,仔细选择患者和操作员警.
相关概念视频
01:26Pharmacokinetics in Pediatric Patients: Drug Excretion
266
In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
266
01:17Pharmacokinetics in Pediatric Patients: Drug Distribution
314
Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
314
01:24Pharmacokinetics in Pediatric Patients: Drug Metabolism
236
In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
236
01:23Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
305
Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
305
01:42Microtubule Associated Proteins (MAPs)
5.9K
Microtubule function and architecture are regulated by an array of specialized proteins called microtubule-associated proteins or MAPs. These proteins are widespread across different organisms and have conserved protein motifs, like the multi-TOG domain for tubulin binding found in the CLASP family of MAPs. Some MAPs are lineage-specific based on their conserved domains. Their functions depend upon the cytoskeletal architecture and cell type they are located within. In-plant cells, a specific...
5.9K
01:29Plotting of Topographic Maps
534
Topographic maps represent the Earth's surface features using contour lines, which connect points of equal elevation to create a two-dimensional representation of three-dimensional terrain. Creating a topographic map requires a systematic approach.Begin by plotting a scaled grid and marking intersections corresponding to the survey's elevation data points. Assign elevation values at these intersections to build the base map. Next, determine contour levels using a consistent contour interval,...
534