Chirurgie (Heidelberg, Germany) · 2023
[Intrathoracic negative pressure therapy of pleural empyema using an open-pored drainage film].
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Betz Viktoria, van Ackeren Vera, Scharsack Ernst, Stark Bettina, Müller Christian Theodor, Loske Gunnar
Аннотация
INTRODUCTION: We report our initial experience with intrathoracic negative pressure therapy (ITNPT) in the stage-adjusted therapy of pleural empyema (PE) based on a case series.
MATERIALS AND METHODS: ITNPT represents a further development in negative pressure therapy that is designed to be used in the thoracic cavity. After thoracic surgical open debridement, an intrathoracic negative pressure dressing was inserted. The drainage elements used were a thin open-pore double-layer drainage film (OF) with open-pore polyurethane foams (PUF). Only the OF was placed in direct contact with the lung parenchyma. Negative pressure was generated using an electronic pump (continuous suction, -75 mm Hg). In revision thoracotomies, ITNPT was stopped or continued depending on local findings.
RESULTS: 31 patients with stage II and III pleural empyemas were treated. ITNPT was administered at the time of primary procedure (n = 17) or revision (n = 14). ITNPT was given over a duration of m = 10 days (2-18 days), change interval m = 4 d (2-6 d). The application of intrathoracic negative pressure dressings was performed m = 3.5 (1-6) times. The empyema cavity continuously reduced in size and was cleansed by the suction. The OF has a minimum intrinsic volume with maximum absorption surface. Once negative pressure is established, there is no intrathoracic dead volume and the parenchyma can expand.
DISCUSSION: The protective material properties of OF make ITNPT suitable for the treatment of pleural empyema. Targeted local intrathoracic drainage of the septic focus is a possible adjunct to surgery. The treatment regimen requires surgical dressings to be changed repeatedly. The method is suitable for the treatment of complex stage II and III pleural empyemas.
CONCLUSION: The OF can be used as an intrathoracic drainage element for ITNPT in pleural empyema. This new application option expands the range of indications for negative pressure therapy.
MATERIALS AND METHODS: ITNPT represents a further development in negative pressure therapy that is designed to be used in the thoracic cavity. After thoracic surgical open debridement, an intrathoracic negative pressure dressing was inserted. The drainage elements used were a thin open-pore double-layer drainage film (OF) with open-pore polyurethane foams (PUF). Only the OF was placed in direct contact with the lung parenchyma. Negative pressure was generated using an electronic pump (continuous suction, -75 mm Hg). In revision thoracotomies, ITNPT was stopped or continued depending on local findings.
RESULTS: 31 patients with stage II and III pleural empyemas were treated. ITNPT was administered at the time of primary procedure (n = 17) or revision (n = 14). ITNPT was given over a duration of m = 10 days (2-18 days), change interval m = 4 d (2-6 d). The application of intrathoracic negative pressure dressings was performed m = 3.5 (1-6) times. The empyema cavity continuously reduced in size and was cleansed by the suction. The OF has a minimum intrinsic volume with maximum absorption surface. Once negative pressure is established, there is no intrathoracic dead volume and the parenchyma can expand.
DISCUSSION: The protective material properties of OF make ITNPT suitable for the treatment of pleural empyema. Targeted local intrathoracic drainage of the septic focus is a possible adjunct to surgery. The treatment regimen requires surgical dressings to be changed repeatedly. The method is suitable for the treatment of complex stage II and III pleural empyemas.
CONCLUSION: The OF can be used as an intrathoracic drainage element for ITNPT in pleural empyema. This new application option expands the range of indications for negative pressure therapy.