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  Table of Contents    
CASE REPORT
Year : 2019  |  Volume : 36  |  Issue : 6  |  Page : 540-542  

Removal of lung lavage fluid during whole-lung lavage using biphasic cuirass ventilation chest percussion in a patient with autoimmune pulmonary alveolar proteinosis


Thoracic Center, Urasoe General Hospital, Urasoe, Okinawa, Japan

Date of Web Publication31-Oct-2019

Correspondence Address:
Dr. Kei Nakamura
Thoracic Center, Urasoe General Hospital, 4-11-6, Iso, Urasoe, Okinawa 901-2132
Japan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/lungindia.lungindia_289_18

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   Abstract 


Autoimmune pulmonary alveolar proteinosis (PAP) is a rare lung disease. Although recombinant human granulocyte macrophage colony-stimulating factor (GM-CSF) therapy has emerged as a new therapeutic modality, whole-lung lavage (WLL) with manual chest percussion has been a standard therapy in advanced cases. The application of biphasic cuirass ventilation (BCV) instead of chest percussion has rarely been reported. We describe the case of a patient with advanced PAP who recovered well in both lungs, without complication, after we performed WLL with BCV under anesthetic mechanical ventilation. Both radiographical chest findings and clinical symptoms were improved, and oxygen therapy was finally withdrawn. This case illustrates that BCV can enhance the effective removal of lavage fluid and is an alternative to manual percussion.

Keywords: Biphasic cuirass ventilation, chest percussion, pulmonary alveolar proteinosis, whole-lung lavage


How to cite this article:
Nakamura K, Omura S, Kajiura K, Ishigaki M. Removal of lung lavage fluid during whole-lung lavage using biphasic cuirass ventilation chest percussion in a patient with autoimmune pulmonary alveolar proteinosis. Lung India 2019;36:540-2

How to cite this URL:
Nakamura K, Omura S, Kajiura K, Ishigaki M. Removal of lung lavage fluid during whole-lung lavage using biphasic cuirass ventilation chest percussion in a patient with autoimmune pulmonary alveolar proteinosis. Lung India [serial online] 2019 [cited 2019 Nov 14];36:540-2. Available from: http://www.lungindia.com/text.asp?2019/36/6/540/270081




   Introduction Top


Pulmonary alveolar proteinosis (PAP) is a rare disease, characterized by accumulation of lipid-rich protein in the alveoli, causing respiratory failure.[1] Whole-lung lavage (WLL), used to clear the alveolar protein accumulation, is currently the standard treatment option for PAP.[2],[3] However, some controversies remain about WLL procedures in terms of patient position, type of lavage fluid used, and chest percussion during this procedure.[4],[5] In general, chest percussion, including manual or mechanical percussion, is considered useful for the removal of lung lavage fluid.[6] However, very few reports have addressed the use of biphasic cuirass ventilation (BCV) as a mechanical percussion method.[7] Here, we describe a case of autoimmune PAP treated with WLL in conjunction with BCV to enhance the effective removal of the lung lavage fluid.


   Case Report Top


A 38-year-old Japanese man was referred to our hospital for productive cough and dyspnea on exertion that had gotten worse over the course of 1 week. The patient had a medical history of appendicitis and no family history of noteworthy medical conditions. In addition, he frequently engaged in house-painting and had been smoking one pack of cigarettes a day from 20 years. The patient's temperature was 37.6°C, his blood pressure was 176/114 mmHg, his pulse rate was 95/min, his respiratory rate was 20/min, and his SpO2 was 88% at room air. Inspiratory crackles in bilateral lung fields and clubbing of the toes were observed.

The laboratory data showed that elevated aspartate aminotransferase, alanine aminotransferase, and lactate dehydrogenase levels (80 IU/L, 52 IU/L, and 497 IU/L, respectively). KL-6 was markedly elevated to 27959 U/ml (normal range: <500 U/ml). Arterial blood gas analysis, under 4 L/min O2 through nasal cannula, showed a pH of 7.52, PCO2 of 27 mmHg, and PO2 of 82 mmHg.

Chest X-ray showed diffused ground-glass opacity, bilaterally, and chest computed tomography (CT) revealed diffuse ground-glass opacity with a crazy-paving pattern [Figure 1]a.
Figure 1: (a) A chest computed tomography scan upon admission revealed crazy-paving pattern. (b) A chest computed tomography showed diffuse ground-glass opacity was improved 4 months following procedure

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Bronchoscopy yielded bronchial alveolar lavage fluid that was muddy white in appearance, containing periodic acid Schiff-positive material in cytology. Transbronchial lung biopsy showed intra-alveolar eosinophilic mucin accompanying mild interstitial inflammation [Figure 2]a. Serum granulocyte macrophage colony-stimulating factor (GM-CSF) autoantibodies titer was elevated to 20.9 μg/ml (normal range: <1.0 μg/ml). Thus, the patient was diagnosed with autoimmune PAP.
Figure 2: (a) Photomicrograph of the specimen obtained by transbronchial lung biopsy. Alveoli were filled with eosinophilic mucins accompanying mild interstitial inflammation while lung structure was preserved (hematoxylin and eosin, low-power field). (b) Patient fitted with biphasic cuirass ventilation (RTX Respirator® Medivent Ltd, London, UK) device during whole-lung lavage. Intubation was performed by double lumen tube for one-lung ventilation. Lateral decubitus position was assumed on the ventilated lung

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WLL was required for hypoxemia and was performed on two separate occasions. Left lung lavage was performed on the 17th day of postadmission, and right lung lavage was performed on the 31th day. The patient underwent both procedures under general anesthesia, with one-lung ventilation by a double-lumen tube, in the intensive care unit. A lateral decubitus position (on the ventilated lung) was assumed to prevent severe hypoxemia during degassing. One liter of normal saline, warmed to 37°C, was infused into the target lung. BCV (RTX Respirator ® Medivent Ltd, London, UK) was performed in clearance mode, at a frequency 300/min, with a negative pressure of 17 cmH2O, to induce vibrations to the chest wall during lavage [Figure 2]b. We managed elevated blood pressure during vibrations by infusing fentanyl and propofol. Lung lavage was repeated until drainage fluid became significantly clearer. Approximately 9520 ml and 15,500 ml of lavage fluid (of the total 9800 ml and 15,000 ml if infused saline) were recovered from the left and right lung, respectively (salvage rate of 97% and 103%, respectively). The patient was extubated on the next day after each WLL procedure.

There were no complications after either procedure. Dyspnea on exertion and productive cough were improved, and the patient was discharged on the day 40th postadmission, with home oxygen therapy. At a 4-month follow-up, the patient's O2 saturation and PaO2 improved to 96% and 71 mmHg under room air, respectively. Chest CT scans revealed improvements in diffuse ground-glass opacity [Figure 1]b. The patient could be successfully weaned from oxygen therapy.


   Discussion Top


The clinical course of PAP ranges from asymptomatic to progressive respiratory failure resulting in death.[8],[9] Inoue et al. categorized the severity of PAP, according to PaO2 or SpO2 on room air.[10] The current indications of WLL are hypoxemia, for example, PaO2 <70 mmHg or A-aDO2 >40 mmHg,[8] impaired lung function, and worsening radiographic findings.[4] We performed WLL due to hypoxemia. We should reflect on that introducing and setting up all WLL procedure-related equipment in the hospital took time due to rarity of PAP.

WLL requires an average of 15.4 ± 6.8 L normal saline/lung, and it is preferable to reduce the residual fluid in the lungs as much as possible.[4] Chest percussion, usually performed during each lavage cycle to facilitate emulsification of lipid-rich proteins in alveoli, can potentially help to minimize residual fluid following WLL. An analysis of bronchopulmonary lavage fluid optical density concluded that manual chest percussion is better than mechanical or no chest percussion.[6] However, to our knowledge, no studies to date have investigated the effects of manual or mechanical chest percussion on the rate and amount of lavage fluid removed after WLL although it has been reported that skin soreness was a complication of manual chest percussion.[5] As we have no experienced physiotherapist, we chose mechanical chest percussion.

We used a BCV to achieve mechanical chest percussion during WLL. BCV is a noninvasive respiratory support system involving a cuirass attached to the body. BCV supports ventilation at negative pressure in the inspiratory phase and positive pressure in the expiratory phase. BCV also has a clearance mode that induces mucus clearance by transmitting high-frequency vibrations to the chest wall, which facilitates mucus removal from the peripheral airway to central airway.[11] Several reports state that BCV had mitigated respiratory failure by removing mucus in this manner.[12],[13] Therefore, BCV is sometimes used in Japan to remove mucus during WLL although its effectiveness has rarely been evaluated. Only Kato et al. reported that, in a case of PAP, that a combination of BCV, and the use of saline mixed with N-acetyl-L-cysteine was effective for removing surplus fluid.[7] As the risk of administrating N-acetyl-cysteine are unknown, we did not use it in the current case. In Kato et al.'s case, BCV was set at 600/min and negative pressure 17 cm H2O.[7] To avoid elevated blood pressure, we set BCV to 300/min and used sedative and analgesic agents. Even with this reduced frequency, almost all lavage fluid was removed from the lungs. It is possible that a frequency of 300/min contributed to this outcome; however, the optimal degree of negative pressure and vibration frequency remains unknown. To evaluate its use in WLL, it will be necessary to monitor parameters such as the lavage fluid removal rate or the opacity of the drained fluid.

Khan et al. reported good clinical responses to some autoimmune PAP cases using recombinant human GM-CSF through the inhalation route.[14] We did not use this as the first choice, as WLL has been the standard therapy and human GM-CSF is at a clinical trial stage and is expensive without health insurance coverage in Japan. Should this patient relapse, human GM-CSF treatment would be the next step.


   Conclusion Top


This case illustrates that BCV may be useful as a mechanical percussion instrument, for removing lavage fluid during WLL in patients with PAP. Although our findings help elucidate the potential benefits of BCV during WLL, further research is necessary to understand the implications of chest percussion during WLL in patients with PAP more fully.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Acknowledgments

We would like to thank Prof. Nakata Koh, Niigata of Niigata University for investigating the anti-GM-CSF antibodies of this patient.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Trapnell BC, Whitsett JA, Nakata K. Pulmonary alveolar proteinosis. N Engl J Med 2003;349:2527-39.  Back to cited text no. 1
    
2.
Seymour JF, Presneill JJ. Pulmonary alveolar proteinosis: Progress in the first 44 years. Am J Respir Crit Care Med 2002;166:215-35.  Back to cited text no. 2
    
3.
Kumar A, Abdelmalak B, Inoue Y, Culver DA. Pulmonary alveolar proteinosis in adults: Pathophysiology and clinical approach. Lancet Respir Med 2018;6:554-65.  Back to cited text no. 3
    
4.
Campo I, Luisetti M, Griese M, Trapnell BC, Bonella F, Grutters J, et al. Whole lung lavage therapy for pulmonary alveolar proteinosis: A global survey of current practices and procedures. Orphanet J Rare Dis 2016;11:115.  Back to cited text no. 4
    
5.
Awab A, Khan MS, Youness HA. Whole lung lavage-technical details, challenges and management of complications. J Thorac Dis 2017;9:1697-706.  Back to cited text no. 5
    
6.
Hammon WE, McCaffree DR, Cucchiara AJ. A comparison of manual to mechanical chest percussion for clearance of alveolar material in patients with pulmonary alveolar proteinosis (phospholipidosis). Chest 1993;103:1409-12.  Back to cited text no. 6
    
7.
Kato S, Kasamatsu N, Matsuda S, Sugimoto S, Yano T, Ogasawara T. Whole-lung lavage in pulmonary alveolar proteinosis supported by biphasic cuirass ventilation. Ann Jpn Respir Soc 2015;4:185-8.  Back to cited text no. 7
    
8.
Shah PL, Hansell D, Lawson PR, Reid KB, Morgan C. Pulmonary alveolar proteinosis: Clinical aspects and current concepts on pathogenesis. Thorax 2000;55:67-77.  Back to cited text no. 8
    
9.
Inoue Y, Trapnell BC, Tazawa R, Arai T, Takada T, Hizawa N, et al. Characteristics of a large cohort of patients with autoimmune pulmonary alveolar proteinosis in japan. Am J Respir Crit Care Med 2008;177:752-62.  Back to cited text no. 9
    
10.
Inoue Y, Nakata K, Arai T, Tazawa R, Hamano E, Nukiwa T, et al. Epidemiological and clinical features of idiopathic pulmonary alveolar proteinosis in Japan. Respirology 2006;11 Suppl: S55-60.  Back to cited text no. 10
    
11.
Chatburn RL. High-frequency assisted airway clearance. Respir Care 2007;52:1224-35.  Back to cited text no. 11
    
12.
Chari S, King J, Rajesh PB, Stuart-Smith K. Resolution of left lower lobe collapse postesophagectomy using the medivent RTX respirator, a novel noninvasive respiratory support system. J Cardiothorac Vasc Anesth 2004;18:482-5.  Back to cited text no. 12
    
13.
Kato K, Sato N, Takeda S, Yamamoto T, Munakata R, Tsurumi M, et al. Marked improvement of extensive atelectasis by unilateral application of the RTX respirator in elderly patients. Intern Med 2009;48:1419-23.  Back to cited text no. 13
    
14.
Khan A, Agarwal R, Aggarwal AN. Effectiveness of granulocyte-macrophage colony-stimulating factor therapy in autoimmune pulmonary alveolar proteinosis: A meta-analysis of observational studies. Chest 2012;141:1273-83.  Back to cited text no. 14
    


    Figures

  [Figure 1], [Figure 2]



 

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