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Carmona MJC, Quintão VC, de Melo BF, André RG, Kayano RP, Perondi B, Miethke-Morais A, Rocha MC, Malbouisson LMS, Auler-Júnior JOC. Transforming operating rooms into intensive care units and the versatility of the physician anesthesiologist during the COVID-19 crisis. Clinics (Sao Paulo) 2020; 75:e2023. [PMID: 32555950 PMCID: PMC7279628 DOI: 10.6061/clinics/2020/e2023] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Maria José Carvalho Carmona
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
- *Corresponding author. E-mail:
| | - Vinícius Caldeira Quintão
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Brigite Feiner de Melo
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Rodrigo Guerson André
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Rafael Priante Kayano
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Beatriz Perondi
- Diretoria Clinica, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Anna Miethke-Morais
- Diretoria Clinica, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Marcelo Cristiano Rocha
- Departamento de Cirurgia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Luiz Marcelo Sá Malbouisson
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - José Otávio Costa Auler-Júnior
- Disciplina de Anestesiologia, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
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Chen ATC, Moniz CMV, Ribeiro-Júnior U, Diz MDPE, Salvajoli JV, Da Conceição Vasconcelos KGM, Auler-Júnior JOC, Cecconello I, Abdala E, Hoff PMG. How should health systems prepare for the evolving COVID-19 pandemic? Reflections from the perspective of a Tertiary Cancer Center. Clinics (Sao Paulo) 2020; 75:e1864. [PMID: 32294673 PMCID: PMC7134548 DOI: 10.6061/clinics/2020/e1864] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 03/27/2020] [Indexed: 01/08/2023] Open
Affiliation(s)
- Andre Tsin Chih Chen
- Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital
das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP,
BR
- *Corresponding author. E-mail:
| | - Camila Motta Venchiarutti Moniz
- Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital
das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP,
BR
| | - Ulysses Ribeiro-Júnior
- Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital
das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP,
BR
| | - Maria Del Pilar Estevez Diz
- Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital
das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP,
BR
| | - João Victor Salvajoli
- Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital
das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP,
BR
| | | | | | - Ivan Cecconello
- Disciplinas de Cirurgia do Aparelho Digestivo e
Coloproctologia, Hospital das Clinicas HCFMUSP, Faculdade Medicina, Universidade de Sao
Paulo, Sao Paulo, SP, BRChen ATC, Moniz CMV, Ribeiro-Júnior U, Diz MPE, Salvajoli
JV, Vasconcelos KGMC, et al. How should health systems prepare for the evolving COVID-19
pandemic? Reflections from the perspective of a Tertiary Cancer Center. Clinics.
2020;75:e1864
| | - Edson Abdala
- Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital
das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP,
BR
| | - Paulo Marcelo Gehm Hoff
- Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital
das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP,
BR
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Nakagawa NK, Donato-Júnior F, Kondo CS, King M, Auler-Júnior JOC, Saldiva PHN, Lorenzi-Filho G. Effects of acute hypovolaemia by furosemide on tracheal transepithelial potential difference and mucus in dogs. Eur Respir J 2004; 24:805-10. [PMID: 15516676 DOI: 10.1183/09031936.04.10021704] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Furosemide is a potent diuretic that affects water transfer across the respiratory epithelium, which is closely related to the transepithelial potential difference (PD). Water is a critical factor that determines mucus transport; an important lung defence mechanism that removes particles and microorganisms from the respiratory system. The aim of the present study was to investigate the acute effects of furosemide and hypovolaemia on tracheal PD and mucus properties. A total of 36 male mixed-breed dogs were submitted to anaesthesia, mechanical ventilation and haemodynamic monitoring. They were randomly assigned to three groups consisting of: a control group, a furosemide (40 mg i.v.) + hypovolaemia group, and a furosemide (40 mg i.v.) + volume replacement group. Tracheal PD and mucus samples were collected at time 0, 1 and 2 h after intervention. Mucus properties were analysed by means of a magnetic microrheometer and in vitro mucociliary transportability on the frog palate. Compared to controls, furosemide decreased PD to intermediate values, and only significantly when associated with hypovolaemia (-13+/-5 and -8+/-2 mV, time 0 and 2 h, respectively). In addition to the direct effect of furosemide, these results indicate that hypovolaemia also affects ion transport in the tracheal membrane. Furosemide and hypovolemia have no acute effects on respiratory mucus properties.
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Affiliation(s)
- N K Nakagawa
- School of Physiotherapy, São Paulo City University, São Paulo, SP, Brasil.
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