Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound

Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Kara D. Greenfield [verfasserIn] Oliver Karam [verfasserIn] A. M. Iqbal O'Meara [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	light sound PICU delirium intensive care hospital environment

Übergeordnetes Werk:	In: Frontiers in Pediatrics - Frontiers Media S.A., 2013, 8(2020)
Übergeordnetes Werk:	volume:8 ; year:2020

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fped.2020.590715

Katalog-ID:	DOAJ051428792

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allfields	10.3389/fped.2020.590715 doi (DE-627)DOAJ051428792 (DE-599)DOAJb3a477532fec47a2931ccf08ff5dc644 DE-627 ger DE-627 rakwb eng RJ1-570 Kara D. Greenfield verfasserin aut Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors. light sound PICU delirium intensive care hospital environment Pediatrics Oliver Karam verfasserin aut A. M. Iqbal O'Meara verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 8(2020) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:8 year:2020 https://doi.org/10.3389/fped.2020.590715 kostenfrei https://doaj.org/article/b3a477532fec47a2931ccf08ff5dc644 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2020.590715/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2020
spelling	10.3389/fped.2020.590715 doi (DE-627)DOAJ051428792 (DE-599)DOAJb3a477532fec47a2931ccf08ff5dc644 DE-627 ger DE-627 rakwb eng RJ1-570 Kara D. Greenfield verfasserin aut Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors. light sound PICU delirium intensive care hospital environment Pediatrics Oliver Karam verfasserin aut A. M. Iqbal O'Meara verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 8(2020) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:8 year:2020 https://doi.org/10.3389/fped.2020.590715 kostenfrei https://doaj.org/article/b3a477532fec47a2931ccf08ff5dc644 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2020.590715/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2020
allfields_unstemmed	10.3389/fped.2020.590715 doi (DE-627)DOAJ051428792 (DE-599)DOAJb3a477532fec47a2931ccf08ff5dc644 DE-627 ger DE-627 rakwb eng RJ1-570 Kara D. Greenfield verfasserin aut Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors. light sound PICU delirium intensive care hospital environment Pediatrics Oliver Karam verfasserin aut A. M. Iqbal O'Meara verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 8(2020) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:8 year:2020 https://doi.org/10.3389/fped.2020.590715 kostenfrei https://doaj.org/article/b3a477532fec47a2931ccf08ff5dc644 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2020.590715/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2020
allfieldsGer	10.3389/fped.2020.590715 doi (DE-627)DOAJ051428792 (DE-599)DOAJb3a477532fec47a2931ccf08ff5dc644 DE-627 ger DE-627 rakwb eng RJ1-570 Kara D. Greenfield verfasserin aut Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors. light sound PICU delirium intensive care hospital environment Pediatrics Oliver Karam verfasserin aut A. M. Iqbal O'Meara verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 8(2020) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:8 year:2020 https://doi.org/10.3389/fped.2020.590715 kostenfrei https://doaj.org/article/b3a477532fec47a2931ccf08ff5dc644 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2020.590715/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2020
allfieldsSound	10.3389/fped.2020.590715 doi (DE-627)DOAJ051428792 (DE-599)DOAJb3a477532fec47a2931ccf08ff5dc644 DE-627 ger DE-627 rakwb eng RJ1-570 Kara D. Greenfield verfasserin aut Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors. light sound PICU delirium intensive care hospital environment Pediatrics Oliver Karam verfasserin aut A. M. Iqbal O'Meara verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 8(2020) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:8 year:2020 https://doi.org/10.3389/fped.2020.590715 kostenfrei https://doaj.org/article/b3a477532fec47a2931ccf08ff5dc644 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2020.590715/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2020
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title_auth	Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound
abstract	Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors.
abstractGer	Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors.
abstract_unstemmed	Objective: To describe light and sound characteristics in the rooms of critically ill children.Design: Prospective observational cohort study, with continuously measured light and sound levels.Setting: Tertiary care pediatric intensive care unit (PICU), with a newly constructed expansion and an older, pre-existing section.Patients: Critically ill patients 0–18 years old, requiring respiratory or cardiovascular support. Patients with severe cognitive pre-conditions were excluded.Measurements and Main Results: One hundred patients were enrolled, totaling 602 patient-days. The twenty-four hour median illuminance was 16 (IQR 5-53) lux (lx). Daytime (07:00–21:00) median light level was 27 lx (IQR 13-82), compared with 4 lx (IQR 1-10) overnight (22:00–06:00). Peak light levels occurred midday between 11:00 and 14:00, with a median of 48 lx (IQR 24-119). Daytime median illuminance trended higher over the course of admission, whereas light levels overnight were consistent. Midday light levels were higher in newly constructed rooms: 78 lx (IQR 30-143) vs. 26 lx (IQR 20-40) in existing rooms. The twenty-four hour median equivalent sound level (LAeq) was 60 (IQR 55-64) decibels (dB). Median daytime LAeq was 62 dB (IQR 58-65) and 56 dB (IQR 52-61) overnight. On average, 35% of patients experienced at least one sound peak >80 dB every hour from 22:00 to 06:00. Overnight peaks, but not median sound levels nor daytime peaks, decreased over the course of admission. There was no difference in sound between new and pre-existing rooms.Conclusions: This study describes continuously measured light and sound in PICU rooms. Light levels were low even during daytime hours, while sound levels were consistently higher than World Health Organization hospital room recommendations of <35 dB. Given the relevance of light and sound to sleep/wake patterns, and evidence of post-intensive care syndromes, the clinical effects of light and sound on critically ill children should be further explored as potentially modifiable environmental factors.
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title_short	Brighter Days May Be Ahead: Continuous Measurement of Pediatric Intensive Care Unit Light and Sound
url	https://doi.org/10.3389/fped.2020.590715 https://doaj.org/article/b3a477532fec47a2931ccf08ff5dc644 https://www.frontiersin.org/articles/10.3389/fped.2020.590715/full https://doaj.org/toc/2296-2360
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author2	Oliver Karam A. M. Iqbal O'Meara
author2Str	Oliver Karam A. M. Iqbal O'Meara
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doi_str	10.3389/fped.2020.590715
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up_date	2024-07-03T20:18:16.451Z
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