Comparative analysis of the Bonanno catheter and tube thorocostomy in effective aspiration of pleural effusion

Govind K Chetty, Narrinder R Battula, Radhika Govindaswamy, Maqsood M Elahi
Heart Surgery Forum 2006, 9 (4): E731-4

BACKGROUND AND METHODS: In our earlier report, we suggested the Bonanno catheter (a 14-gauge suprapubic catheter) as a less traumatic but equally effective alternative for drainage of a variety of fluid collections, including pleural effusion. This study aims to evaluate the efficacy of the Bonanno catheter compared with closed-tube thoracostomy in draining pleural effusion in 38 patients following routine cardiac surgery between 2003 and 2004. Twenty patients were managed using the Bonanno catheter and 18 were treated with standard tube thoracostomy. Data were collected retrospectively and statistical analysis was performed using the SPSS software. P < .05 was considered significant.

RESULTS: There were 20 (53%) male and 18 (47%) female patients with a mean age of 63.5 years (range, 31-83 years). Significant differences were observed with regards to the amount of lignocaine administered locally, intra-procedure pain score, post-procedure pain score after 15 minutes, and amount of analgesia used on a regular basis (P < .05 in each case). Statistically, significant differences were also noted during 2 to 3 weeks follow-up between the 2 groups with regards to pain score. In the the tube thoracostomy group, 22.2% developed infection of the procedure site, requiring antibiotic treatment, whereas no infection was reported in the Bonanno group (P < .001).

CONCLUSION: This study provided evidence that smallbore drains such as the Bonanno catheter are safe and better tolerated than standard chest drains. This is consistent with the British Thoracic Society guidelines that strongly recommend small-bore drains for the drainage of pleural effusions as they are more comfortable than larger-bore tubes.

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