Internal Jugular Vein Collapsibility Index for Predicting Post-Induction Hypotension (IJV-CI)
The Value of Internal Jugular Vein Collapsibility Index in Predicting Hypotension Following General Anesthesia Induction in Patients Undergoing Elective Laparoscopic Cholecystectomy
研究概览
详细说明
Patients aged 18-65 scheduled for elective laparoscopic cholecystectomy under general anesthesia will be included in the study. Exclusion criteria are as follows: Obesity (BMI > 35 kg/m²), presence of Atrial Fibrillation or serious cardiac arrhythmia, history of neck surgery or any pathology preventing internal jugular vein measurement, advanced heart failure (Ejection Fraction < 40%), severe valvular disease, peripheral vascular disease, emergency surgery, and refusal to participate in the study.
Upon arrival in the operating room, patients will be placed in a supine position. The Internal Jugular Vein (IJV) diameter will be monitored using a linear ultrasound probe during spontaneous breathing before anesthesia induction. The maximum and minimum diameters of the IJV during the respiratory cycle will be measured. The Internal Jugular Vein Collapsibility Index (IJV-CI) will be calculated using the following formula: [(IJV maximum diameter - IJV minimum diameter) / IJV maximum diameter] x 100.
Standard anesthesia induction will be performed. Non-invasive blood pressure and heart rate will be monitored and recorded at baseline (0 min), and at 1, 2, 3, 5, 7, 9, and 10 minutes following induction. Post-induction hypotension is defined as a decrease in mean arterial pressure (MAP) of more than 20% from the baseline value. The relationship between the pre-induction IJV-CI values and the development of hypotension during these specific time intervals will be statistically analyzed.
研究类型
注册 (估计的)
联系人和位置
学习联系方式
- 姓名：ELZEM ŞEN, Associate Professor
- 电话号码：+90 (532) 784 21 52
- 邮箱：drelzem@hotmail.com
研究联系人备份
- 姓名：KÜBRA BAHAR TÜRKMEN, MD
- 电话号码：+90 (534) 061 74 44
- 邮箱：kbrabaharr@gmail.com
学习地点
-
-
-
Gaziantep、土耳其（türkiye）、27310
- Gaziantep University Sahinbey Research and Training Hospital
-
接触：
- KÜBRA BAHAR TÜRKMEN, MD
- 电话号码：+90 (534) 061 74 44
- 邮箱：kbrabaharr@gmail.com
-
接触：
- ELZEM ŞEN, Associate Professor
- 电话号码：+90 (532) 784 21 51
- 邮箱：drelzem@hotmail.com
-
首席研究员：
- ELZEM ŞEN, Associate Professor
-
副研究员：
- KÜBRA BAHAR TÜRKMEN, MD
-
-
参与标准
资格标准
适合学习的年龄
- 成人
- 年长者
接受健康志愿者
取样方法
研究人群
描述
Inclusion Criteria:
- Patients aged 18-65 years.
- Patients with ASA (American Society of Anesthesiologists) physical status I, II, or III.
- Patients scheduled to receive general anesthesia.
- Patients scheduled for elective laparoscopic cholecystectomy.
Exclusion Criteria:
- Patients with obesity (Body Mass Index > 35 kg/m²).
- Patients with Atrial Fibrillation or other serious cardiac arrhythmias.
- Patients with a history of neck surgery or any pathology preventing Internal Jugular Vein (IJV) measurement.
- Patients with advanced heart failure (Ejection Fraction < 40%).
- Patients with severe valvular heart disease.
- Patients with peripheral vascular disease.
- Patients undergoing emergency surgery.
- Patients who are unwilling to participate in the study.
学习计划
研究是如何设计的？
设计细节
队列和干预
团体/队列 |
干预/治疗 |
|---|---|
|
Hypotensive Group
Patients who developed post-induction hypotension (MAP decrease >20% or SBP <90 mmHg).
Pre-induction Internal Jugular Vein (IJV) ultrasonography was performed for statistical comparison.
|
Pre-induction Internal Jugular Vein (IJV) measurement will be performed using a linear ultrasound probe (5-12 MHz) while the patient is in the supine position.
The IJV will be imaged in the transverse plane at the level of the cricoid cartilage.
During spontaneous breathing, the maximum and minimum diameters of the vein will be recorded.
The Collapsibility Index (IJV-CI) will be calculated using these measurements.
This non-invasive assessment is performed immediately before the induction of general anesthesia to evaluate its predictive value for post-induction hypotension.
其他名称：
|
|
Non-hypotensive Group
Patients aged 18-65 scheduled for elective laparoscopic cholecystectomy who remained hemodynamically stable (no MAP decrease >20% or SBP <90 mmHg) after standard anesthesia induction.
Pre-induction IJV measurement was performed to evaluate its predictive capacity."
|
Pre-induction Internal Jugular Vein (IJV) measurement will be performed using a linear ultrasound probe (5-12 MHz) while the patient is in the supine position.
The IJV will be imaged in the transverse plane at the level of the cricoid cartilage.
During spontaneous breathing, the maximum and minimum diameters of the vein will be recorded.
The Collapsibility Index (IJV-CI) will be calculated using these measurements.
This non-invasive assessment is performed immediately before the induction of general anesthesia to evaluate its predictive value for post-induction hypotension.
其他名称：
|
研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Internal Jugular Vein Collapsibility Index (IJV-CI)
大体时间：Baseline (pre-induction) and every minute up to 10 minutes following induction or until surgical in
|
Hypotension is defined as a decrease in Mean Arterial Pressure (MAP) of more than 20% from the baseline value.
The predictive value of pre-induction IJV-CI for this occurrence will be assessed.Measurements will be recorded at 0, 1, 2, 3, 5, 7, 9, and 10 minutes following induction, but will stop if surgical incision occurs earlier than 10 minutes
|
Baseline (pre-induction) and every minute up to 10 minutes following induction or until surgical in
|
合作者和调查者
调查人员
- 首席研究员：ELZEM ŞEN, Associate Professor、Gaziantep University, Faculty of Medicine, Department of Anesthesiology and Reanimation
研究记录日期
研究主要日期
学习开始 (估计的)
初级完成 (估计的)
研究完成 (估计的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
与本研究相关的术语
计划个人参与者数据 (IPD)
计划共享个人参与者数据 (IPD)？
IPD 计划说明
药物和器械信息、研究文件
研究美国 FDA 监管的药品
研究美国 FDA 监管的设备产品
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.