Preoperative Ultrasonographic Evaluation of the Right Common Femoral Vein Diameter for Predicting Spinal Anesthesia-induced Hypotension in Elderly Patients

Preoperative Ultrasonographic Evaluation of the Right Common Femoral Vein Diameter for Predicting Spinal Anesthesia-induced Hypotension in Elderly Patients. A Prospective Observational Study.

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05342311

Enrollment

Registered

2022-04-22

Start date

2022-06-03

Completion date

2024-01-05

Last updated

2024-01-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Spinal Anesthesia-induced Hypotension

Brief summary

In this study we will determine the ability of preoperative ultrasonographic evaluation of the right common femoral vein diameter to predict spinal anesthesia-induced hypotension in elderly patients.

Interventions

DIAGNOSTIC_TESTpreoperative ultrasonographic evaluation of right common femoral vein diameter

preoperative ultrasonographic evaluation of right common femoral vein diameter to predict spinal anesthesia-induced hypotension in elderly patients

Study design

Observational model

OTHER

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

65 Years to No maximum

Inclusion criteria

* 65 years of age or more. * ASA score I & II. * Patients scheduled for surgeries under spinal anesthesia.

Exclusion criteria

* Negative consent. * pre-existing hypertension * Diabetes mellitus or autonomic neuropathy. * Emergency operations. * Absolute contraindications or failure to perform spinal anesthesia.

Design outcomes

Primary

Measure	Time frame
The sensitivity of the transverse diameter (mm) value of the right common femoral vein as measured by ultrasound before anesthesia to predict spinal aneshesia-induced hypotension in elderly patients.	30 minutes after spinal anesthesia

Secondary

Measure	Time frame
Incidence of spinal anesthesia-induced hypotension in elderly	30 minutes after spinal anesthesia
The sensitivity of the peak velocity of blood flow (mm/s) in the right common femoral vein as measured by ultrasound before anesthesia to predict spinal anesthesia-induced hypotension in elderly patients	30 minutes after spinal anesthesia

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026