Non-invasive Monitor in Endoscopic Invasive Procedure

Study Overview
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Brief Summary
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Investigators include the patients who need painless invasive endoscopic procedure, investigators collect the demographic data and apply the non-invasive device ICON on participants during the who procedure.

Detailed Description
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Invasive endoscopy procedure including Endoscopic Retrograde Cholangio-Pancreatography (ERCP), endoscopic ultrasound guided fine needle aspiration (EUS-FNA), Endoscopic Retrograde Biliary Drainage (ERBD) and others is more and more popular which become the standard treatment before surgical intervention. However; the elder group who need this procedure is getting more common. The painless endoscopic sedation for elder group who has more comorbidity is not easy. During the procedure, the investigators found that the anticholinergic medication-buscopam which in order to suppress intestine mobilization can cause obvious tachycardia. Tachycardia makes the stroke volume decrease which enhance the perioperative hypotension, and the vasodilation effect of the analgesics make it worse. Investigators are trying to find the non-invasive predictor of perioperative hypotension in geriatric group. Investigators collected the patients who need painless endoscopic invasive procedure, investigators will record their hemodynamic data including estimated cardiac output (CCO)，index of contractility (ICON)，NBP，HR，and saturation. Investigators also add the evaluation of frailty to evaluate the relationship between frailty and perioperative complications.

Official Title
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Applying Non-invasive Hemodynamic Monitor to Predict the Risk of Perioperative Hypotension in Geriatric Patients Underwent Endoscopic Invasive Procedure

Conditions
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Cholangiopancreatography, Endoscopic Retrograde, Endoscopic Ultrasonography

Intervention / Treatment
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* Device: Portable Noninvasive Hemodynamic Monitor


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: patient who need painless endoscopic invasive procedures age above 50 y/o Exclusion Criteria: -

Ages Eligible for Study
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Minimum Age: 50 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| mid age<br>mid age: 50-70 years old | Device: Portable Noninvasive Hemodynamic Monitor<br>* A non-invasive monitor for estimating patient's heart contractility and cardiac output by the change of thoracic electrical bioimpedance.<br>* Other names: The ICON™ monitor;|
| old age<br>old age: age older than 70 years old | Device: Portable Noninvasive Hemodynamic Monitor<br>* A non-invasive monitor for estimating patient's heart contractility and cardiac output by the change of thoracic electrical bioimpedance.<br>* Other names: The ICON™ monitor;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| ICON decrease 40% | estimated index of contractility decrease 40% | during the painless procedure | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| perioperative hypotension 40% | BP decrease 40% | during the painless procedure |