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Predictive Factors for Hypotensive Bradycardic Events During Arthroscopic Shoulder Surgery

D

Daegu Catholic University Medical Center

Status

Completed

Conditions

Syncope, Vasovagal

Treatments

Other: Interscalene brachial plexus block

Study type

Observational

Funder types

Other

Identifiers

NCT01926561
CR-11-072

Details and patient eligibility

About

Patients's demographics and perioperative factors affect the occurrence of hypotensive bradycardic events in the patients undergoing arthroscopic shoulder surgery in the sitting position under interscalene block.

Full description

Patients' age, Side of the block,Horner's syndrome, the degree of blockade, preoperative fasting time and fluid administration volume, waiting time for sitting position after the block, intraoperative use of opioids and antihypertensives, and change of heart rate variability before the block and after sitting position affect the occurrence of hypotensive bradycardic events in the patients undergoing arthroscopic shoulder surgery in the sitting position under interscalene block.

Enrollment

68 patients

Sex

All

Ages

15 to 80 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Age between 15 and 80 years
  • American Society of Anesthesiologists physical status I-II
  • Body mass index < 35 kg/m2

Exclusion criteria

  • Coagulation deficiencies
  • Known allergies to local anesthetics
  • Neurologic deficit on the side to be operated
  • Inflammation at the puncture site for interscalene brachial plexus block
  • Coronary artery disease
  • Cardiac conduction disorders and arrhythmias
  • Congestive heart disease
  • Diabetes mellitus
  • Serum electrolyte abnormalities
  • Autonomic dysfunction
  • Psychiatric disorders
  • Patients refusal
  • Communications difficulties
  • Failure of interscalene brachial plexus block

Trial design

68 participants in 1 patient group

Hypotensive bradycardic event
Description:
The participants are assigned to hypotensive bradycardic event (HBE) group when they experience signs or symptoms associated with syncope, hypotension, or bradycardia, which are treated with vasopressors or inotropics following sitting position after interscalene brachial plexus block is done. Otherwise, they are assigned to non-HBE group.
Treatment:
Other: Interscalene brachial plexus block

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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