Anesthesia alters blood pressure readings: new study on thyroid surgery patients
NCT ID NCT06590064
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 170 adults having thyroid surgery under general anesthesia to see if the blood pressure difference between the arm and leg changes when they are asleep. Researchers measured blood pressure in both limbs before and during anesthesia. The goal was to understand how anesthesia affects blood pressure readings, which can help doctors monitor patients more accurately.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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170 people
The number who actually took part.
- Started
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Jul 2024
- Finished
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Dec 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients receiving elective thyroid surgery under general anesthesia
- Ages
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20 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients having elective thyroid surgery under general anesthesia * Aged between 20 to 80 years old * American Society of Anesthesiologist(ASA) Physical Status Class I or II * Individuals who have voluntarily given written consent to participate in this clinical study Exclusion Criteria: * Patients with Diabetes Mellitus or Peripheral vascular disease * Patients with a history of Heart disease; Myocardial infarction, Heart failure, etc. * Patients with Arrhythmia * Patients with musculoskeletal abnormalities * Patients for whom the placement of a non-invasive blood pressure cuff is contraindicated: inflammatory diseases or wounds causing pain at the cuff site, severe edema, thrombophlebitis, etc. * Other cases deemed unsuitable for the study by the researcher: absence of appropriately sized blood pressure cuffs, placement of a pressurized blood pressure cuff expected to affect the induction and maintenance of general anesthesia, history of mental illness, etc.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Ilsan Cha hospital
Goyang-si, Gyeonggi-do, 10449, South Korea
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