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Category: Pleural

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Conclusion

All other PDU models demonstrated significant pressure accuracy error differences between the two external suction settings (manufacturer-suggested wall suction setting vs full wall suction) in the negative direction (delivering more negative pressure than the PDU test value). The least accurate Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Lung and pericardium

This means that the device actually delivers on average — 16.9 cm H2O (— 20 cm H2O less — 20 cm H2O multiplied by 15.5%). This decrease in delivered negative pressure is likely of little clinical significance given the mean Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Thoracentesis catheters

Interestingly, the lengths of both the Argyle and Arrow thoracentesis PDCs are shorter than their comparable pneumothorax catheter of the same internal bore (Table 2); shorter length should enhance not reduce flow rates. The lower flow rates of the thoracentesis Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Arrow thoracentesis PDCs

The premise that larger-bore PDCs should provide larger flow rates breaks down when assessing the Cook 14F (C-UPTP-1400-WAYNE) and 16F (C-TQTS-1600) catheters compared with the Arrow 14F catheters (AK-01600 and AK-01601) [Table 2]. Based on the Fanning equation, the clinically Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Smaller-bore PDCs

This catheter had the highest flows at all pressures tested. Catheters < 16F may be considered small bore and deliver significantly less flow than the only larger-bore PDC tested, the Cook C-TQTS-2400. Various clinical conditions outlined above may have bronchopleural Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Smaller-bore chest tube

This problem is compounded by the absence of flow rate information in the packaging with either PDUs or PDCs. This absence of information leaves the clinician unable to compare flow characteristics of these devices and objectively choose the optimal device Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Patient’s pleural space

Appropriate PDC size selection is therefore key to preventing tension pneumothorax development. Because a PDU is often connected in series with a PDC, appropriate PDU selection is also key. However, when considering flow rates accommodated, the PDC is the most Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Discussion

Consensus is less defined regarding chest tube utilization, tube size selection, and the role of PDUs in nonspontaneous pneumothoraces, but some evidence provides direction. Key to the selection of a PDC and a PDU in the setting of both spontaneous Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: PDC Assessment

Of the PDUs providing — 40 cm H2O settings (Table 1), the Pleur-evac A-6000 and Pleur-evac SAHARA produced similar accuracy (comparing same-model PDU to same-model PDU at the two different external suction settings). The Atrium 3600 and 3612 demonstrated significant Read More

Comparison of Function of Commercially Available Pleural Drainage Units and Catheters: Accurate pressures

The Atrium 3612 was the least accurate PDU, demonstrating a mean error of 15.5%, with this accuracy being different from all other PDU models tested at — 20 cm H2O. The Sentinel Seal was the most accurate PDU, with a Read More

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