Noninvasive High-Frequency Percussive Ventilation in the Prone Position after Lung Transplantation

Feltracco, Paolo; Serra, Eugenio; Barbieri, Stefania; Milevoj, M.; Michieletto, Elisa; Carollo, Cristiana; Rea, Federico; Zanus, Giacomo; Boetto, Riccardo; Ori, Carlo

doi:10.1016/j.transproceed.2012.05.062

Cited by 32 publications

(21 citation statements)

References 16 publications

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“…From this, 162 articles were selected for full text review and 35 articles met inclusion criteria and were included in the final rapid review synthesis. A total of 35 studies (including 12 prospective cohorts, 18 retrospective cohorts, and 5 case reports) with 414 patients were synthesized (see Table 1 and Table 2 ) [ [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] , [32] , [33] , [34] , [35] , [36] , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] ]. Twenty-nine of these studies ( n = 364 patients; 11 prospective cohorts, 13 retrospective cohorts, 5 case reports) report on the use of awake prone positioning in COVID-19 patients [ [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [19] , [20] , [21] , [24] , [25] , [26] , [27] , [28] , [29] , [31] , [32] , [33] , [35] , [36] , [37] , [38] , [39] , …”

Section: Resultsmentioning

confidence: 99%

Awake prone positioning for COVID-19 hypoxemic respiratory failure: A rapid review

Weatherald

Solverson

Zuege

et al. 2021

Journal of Critical Care

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Background Infection with SARS-CoV-2 can result in Coronavirus Disease–19 (COVID-19) [1, 2]. While the majority of patients are asymptomatic or have mild disease [3], approximately 14% develop more severe disease including hypoxemic respiratory failure and/or Acute Respiratory Distress Syndrome (ARDS) [3]. Prone positioning is a life-saving intervention for mechanically ventilated patients with moderate-severe ARDS [4]. Based on this, the World Health Organization (WHO) guidelines recommend these patients be considered for a trial of prone positioning [5]. Recently the use of prone positioning in awake non-intubated COVID-19 patients has been recommended by several notable organizations with the goal of preventing intubation and potentially improving patient-oriented outcomes [6, 7]. In contrast to prone positioning for intubated mechanically ventilated patients with ARDS, there have been no randomized control trials examining the role of awake prone positioning for non-intubated patients with hypoxemic respiratory failure. To further explore this question we used rapid review methodology (Tricco et al., 2015 [8]) to quickly identify and synthesize studies examining the effect of awake prone positioning on patients with hypoxemic respiratory failure (including those with ARDS and/or COVID-19). Methods We have elected to use “rapid review” methodology rather than “systematic review” methodology primarily due to the speed and efficiency through which we are able to conduct this review, as previously described [8]. In the absence of an EQUATOR guidance document, we used PRISMA guidelines where applicable [9]. Studies were included if they met the following criteria 1) population – non-intubated patients with hypoxemic respiratory failure, 2) intervention – prone positioning, 3) comparator – usual management, 4) outcomes – intubation, survival, change in respiratory parameters, adverse events, 5) setting – hospitalized patients 6) study design – observational or randomized control trial. Studies were not limited to ARDS or COVID-19 patients. The search strategy was developed by a critical care physician (KP), a critical care epidemiologist (KF) and a medical librarian (NL) (See search details in Online Supplement ). Briefly, the search strategy involved combinations of keywords and subject headings relating to the concepts of, 1) SARS-Cov-2 or COVID-19 or coronavirus, 2) awake prone positioning, and 3) hypoxemic respiratory failure, including but not limited to ARDS and other potentially relevant conditions. The search was conducted on May 19, 2020 and was updated on August 7, 2020 with no restrictions on publication language or date. Databases and grey literature sources searched included: MEDLINE (Ovid), PubMed, Trip PRO, Cochrane Library, Lit...

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Section: Resultsmentioning

confidence: 99%

Awake prone positioning for COVID-19 hypoxemic respiratory failure: A rapid review

Weatherald

Solverson

Zuege

et al. 2021

Journal of Critical Care

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“…Reports of the application of PP in spontaneously breathing, non-intubated adult patients are limited to few case reports [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Prone positioning improves oxygenation in spontaneously breathing nonintubated patients with hypoxemic acute respiratory failure: A retrospective study

Scaravilli

Grasselli

Castagna

et al. 2015

Journal of Critical Care

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228

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“…The physiological basis behind prone ventilation in an intubated patient with COVID-19 infection should apply to patients breathing spontaneously. However, the literature for prone positioning of non-intubated patients is less available [12], usually described in post-lung transplantation cases [13,14].…”

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confidence: 99%

Awake prone positioning for non-intubated oxygen dependent COVID-19 pneumonia patients

Tay

2020

Eur Respir J

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Oxygenation failure recalcitrant to increasing positive end-expiratory pressure is a feature of severe coronavirus disease 2019 (COVID-19) pneumonia [1]. A Chinese group used prone positioning to improve oxygenation for intubated patients with severe COVID-19 pneumonia [2]. However, prone positioning in unconscious patients is labour-intensive and is associated with various complications [3, 4]. As the incidence of severe COVID-19 pneumonia worldwide increases rapidly, many countries are also facing the problem of diminishing intensive care resources. Prone positioning ventilation is most used today in intensive care units (ICU) for patients with acute respiratory distress syndrome (ARDS) [5-7] and for prevention of ventilator-induced lung injury [8, 9]. Many mechanisms have been proposed, including relieving the dependent lung regions from the compressive force of the heart's weight [10] or increasing aeration in the originally dorsal lung regions [11]. The overall lung ventilation from dorsal to ventral areas is more homogeneous in the prone position than in the supine position. Prone positioning thus improves oxygenation whilst the other variable, perfusion, remains almost constant in both postures.

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Noninvasive High-Frequency Percussive Ventilation in the Prone Position after Lung Transplantation

Cited by 32 publications

References 16 publications

Awake prone positioning for COVID-19 hypoxemic respiratory failure: A rapid review

Awake prone positioning for COVID-19 hypoxemic respiratory failure: A rapid review

Prone positioning improves oxygenation in spontaneously breathing nonintubated patients with hypoxemic acute respiratory failure: A retrospective study

Awake prone positioning for non-intubated oxygen dependent COVID-19 pneumonia patients

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