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Published on: December 23, 2014
Randomized comparison of three guidewire insertion depths on incidence of arrhythmia during central venous
Jung-Man Lee1, Jiwon Lee2, Jin-Young Hwang1
1Department of Anesthesiology and Pain medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Sindaebang 2-dong, Dongjak-gu, Seoul 07061, Republic of Korea.
Insights
Inserting guidewires to 15cm or 17.5cm during central venous catheterization reduces arrhythmia risk compared to 20cm insertion. This finding is crucial for patient safety during internal jugular vein procedures.
Area of Science:
- Cardiology
- Anesthesiology
- Medical Devices
Background:
- Central venous catheterization is a common procedure.
- Guidewire insertion can induce arrhythmias, potentially leading to severe complications.
- Optimizing guidewire depth is critical for patient safety.
Purpose of the Study:
- To compare the incidence of guidewire-induced arrhythmias.
- To evaluate the effect of different guidewire insertion depths (15cm, 17.5cm, 20cm) into the right internal jugular vein.
- To identify optimal guidewire depth to minimize arrhythmia risk.
Main Methods:
- Prospective, randomized, double-blind, controlled study.
- Sixty-nine patients undergoing elective surgery requiring central venous catheterization.
- Guidewire insertion to 15cm, 17.5cm, or 20cm followed by arrhythmia monitoring during tissue dilation.
Main Results:
- 42% of patients experienced arrhythmic episodes.
- The 20cm group had a significantly higher incidence of arrhythmia (0.65) compared to the 15cm (0.26) and 17.5cm (0.35) groups.
- No significant difference in arrhythmia rates between 15cm and 17.5cm insertion depths.
Conclusions:
- Inserting guidewires to 15cm or 17.5cm significantly reduces arrhythmia incidence.
- A 20cm guidewire insertion depth increases the risk of arrhythmias during right internal jugular vein catheterization.
- These findings support shorter guidewire insertion depths for enhanced patient safety.
Objective:
Guidewire-induced arrhythmias that occur during central venous catheterization can progress to malignant arrhythmias in rare cases. This study compared the incidence of arrhythmia during central venous catheterization using three different depths of guidewire insertion into the right internal jugular vein.
Methods:
Sixty-nine patients undergoing elective surgery requiring central venous catheterization through the right internal jugular vein were enrolled in this double-blind, prospective, randomized, and controlled study. Patients were randomly allocated to receive guidewire insertions to 15cm, 17.5cm, or 20cm before tissue dilation. Arrhythmic episodes were then monitored during dilation of the soft tissue.
Results:
A total of 29 patients (42%) experienced arrhythmic episodes during tissue dilation. The guidewire-induced arrhythmia rates of the 15cm group, 17.5cm group, and 20cm group were 0.26 (95% confidence interval [CI]=0.10, 0.48), 0.35 (95% CI=0.16, 0.57), and 0.65 (95% CI=0.43, 0.84), respectively. The incidence of arrhythmic episodes was higher in the 20cm group than in the 15cm (odds ratio [OR]=5.31; 95% CI=1.50, 18.84) and 17.5cm (OR =3.52; 95% CI=1.05, 11.83) groups. There was no significant difference in arrhythmia rates between the 15cm group and 17.5cm group (p=0.542).
Conclusions:
During central venous catheterization through the right internal jugular vein, inserting guidewires to depths of 15 or 17.5cm before tissue dilation reduced the incidence of arrhythmic episodes compared to a depth of 20cm.
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