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Hemodynamic Instability during Carotid Angioplasty and Stenting-Relationship of Calcified Plaque and Its Characteristics
Yonsei Medical Journal ; : 295-300, 2013.
Article in English | WPRIM | ID: wpr-120580
ABSTRACT

PURPOSE:

During carotid angioplasty and stenting (CAS), hemodynamic instability (HDI) can occur, possibly causing post-procedural ischemic complications. The goal of this study was to investigate the risk factors of HDI focusing on characteristics of plaque. MATERIALS AND

METHODS:

Thirty nine CAS patients were retrospectively evaluated for HDI. Prolonged HDI that lasted over 30 minutes was analyzed in relation to characteristics of calcified plaque.

RESULTS:

Nineteen (48.7%) patients had HDI. Ten of the 19 had both bradycardia and hypotension, and nine had only bradycardia. All bradycardia was treated well with a transcutaneous temporary cardiac pacemaker. But eight patients presented with prolonged hypotension in spite of recovery of bradycardia. Calcified plaque was a related factor associated with HDI (odds ratio, 8.571; 95% confidence interval, 1.321-55.62; p=0.024). Extensive and eccentric type calcified plaques were associated with prolonged hypotension (p=0.04, and p=0.028, respectively).

CONCLUSION:

The calcification of plaque is a predictable factor of HDI during CAS, and its extensive and eccentric calcified plaques may be related to prolonged HDI.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Bradycardia / Carotid Arteries / Tomography, X-Ray Computed / Logistic Models / Stents / Retrospective Studies / Risk Factors / Carotid Stenosis / Angioplasty / Hemodynamics Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Aged / Female / Humans / Male Language: English Journal: Yonsei Medical Journal Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Bradycardia / Carotid Arteries / Tomography, X-Ray Computed / Logistic Models / Stents / Retrospective Studies / Risk Factors / Carotid Stenosis / Angioplasty / Hemodynamics Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Aged / Female / Humans / Male Language: English Journal: Yonsei Medical Journal Year: 2013 Type: Article