Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study
Objective Patient monitoring in general wards primarily involves intermittent observation of temperature, heart rate (HR), respiratory rate (RR) and blood pressure performed by the nursing staff. Several hours can lapse between such measurements, and the patient may go unobserved. Despite the growin...
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BMJ Publishing Group
2022-12-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/12/12/e065790.full |
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| author | Muralidhar Varma Manikanda Krishnan Vaidyanathan Joseph Thomas Trevor Sequeira Navaneetha Krishnan S Naidu Yogish Mallya Amarendranath Sunkara Praveen Patil Nagaraj Poojary Benoît Balmaekers Shankar Prasad N Sulochana Badagabettu |
| author_facet | Muralidhar Varma Manikanda Krishnan Vaidyanathan Joseph Thomas Trevor Sequeira Navaneetha Krishnan S Naidu Yogish Mallya Amarendranath Sunkara Praveen Patil Nagaraj Poojary Benoît Balmaekers Shankar Prasad N Sulochana Badagabettu |
| author_sort | Muralidhar Varma |
| collection | DOAJ |
| description | Objective Patient monitoring in general wards primarily involves intermittent observation of temperature, heart rate (HR), respiratory rate (RR) and blood pressure performed by the nursing staff. Several hours can lapse between such measurements, and the patient may go unobserved. Despite the growing widespread use of sensors to monitor vital signs and physical activities of healthy individuals, most acutely ill hospitalised patients remain unmonitored, leaving them at an increased risk. We investigated whether a contactless monitoring system could measure vital parameters, such as HR and RR, in a real-world hospital setting.Design A cross-sectional prospective study.Setting and participants We examined the suitability of employing a non-contact monitoring system in a low-acuity setup at a tertiary care hospital in India. Measurements were performed on 158 subjects, with data acquired through contactless monitoring from the general ward and dialysis unit.Outcome measures Vital parameters (RR and HR) were measured using a video camera in a non-acuity setting.Results Three distinct combinations of contactless monitoring afforded excellent accuracy. Contactless RR monitoring was linearly correlated with Alice NightOne and manual counts, presenting coefficients of determination of 0.88 and 0.90, respectively. Contactless HR monitoring presented a coefficient of determination of 0.91. The mean absolute errors were 0.84 and 2.15 beats per minute for RR and HR, respectively.Conclusions Compared with existing Food and Drug Administration-approved monitors, the findings of the present study revealed that contactless monitoring of RR and HR accurately represented study populations in non-acuity settings. Contactless video monitoring is an unobtrusive and dependable method for monitoring and recording RR and HR. Further research is needed to validate its dependability and utility in other settings, including acute care.Trial registration number CTRI/2018/11/016246. |
| format | Article |
| id | doaj-art-2e5ca8f6bc644b509ec099593e431dc5 |
| institution | Kabale University |
| issn | 2044-6055 |
| language | English |
| publishDate | 2022-12-01 |
| publisher | BMJ Publishing Group |
| record_format | Article |
| series | BMJ Open |
| spelling | doaj-art-2e5ca8f6bc644b509ec099593e431dc52025-08-20T03:48:46ZengBMJ Publishing GroupBMJ Open2044-60552022-12-01121210.1136/bmjopen-2022-065790Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity studyMuralidhar Varma0Manikanda Krishnan Vaidyanathan1Joseph Thomas2Trevor Sequeira3Navaneetha Krishnan S Naidu4Yogish Mallya5Amarendranath Sunkara6Praveen Patil7Nagaraj Poojary8Benoît Balmaekers9Shankar Prasad N10Sulochana Badagabettu11Department of Infectious Diseases, Kasturba Medical College Manipal, Manipal, Karnataka, IndiaPhilips Research, Philips Innovation Campus, Bangalore, India6The University of Texas MD Anderson Cancer Center, Oncology Care and Research Is, Houston, USADepartment of Critical Care, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaPhilips Innovation Campus, MFAR Manyata Tech Park, Nagavara, Philips Research, Bangalore, Karnataka, IndiaPhilips Innovation Campus, MFAR Manyata Tech Park, Nagavara, Philips Research, Bangalore, Karnataka, IndiaPhilips Innovation Campus, MFAR Manyata Tech Park, Nagavara, Philips Research, Bangalore, Karnataka, IndiaPhilips Innovation Campus, MFAR Manyata Tech Park, Nagavara, Philips Research, Bangalore, Karnataka, IndiaPhilips Innovation Campus, MFAR Manyata Tech Park, Nagavara, Philips Research, Bangalore, Karnataka, IndiaPhilips Research Eindhoven, Noord-Brabant, The NetherlandsDepartment of Nephrology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Manipal, Karnataka, IndiaFundamentals of Nursing, Manipal College of Nursing, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaObjective Patient monitoring in general wards primarily involves intermittent observation of temperature, heart rate (HR), respiratory rate (RR) and blood pressure performed by the nursing staff. Several hours can lapse between such measurements, and the patient may go unobserved. Despite the growing widespread use of sensors to monitor vital signs and physical activities of healthy individuals, most acutely ill hospitalised patients remain unmonitored, leaving them at an increased risk. We investigated whether a contactless monitoring system could measure vital parameters, such as HR and RR, in a real-world hospital setting.Design A cross-sectional prospective study.Setting and participants We examined the suitability of employing a non-contact monitoring system in a low-acuity setup at a tertiary care hospital in India. Measurements were performed on 158 subjects, with data acquired through contactless monitoring from the general ward and dialysis unit.Outcome measures Vital parameters (RR and HR) were measured using a video camera in a non-acuity setting.Results Three distinct combinations of contactless monitoring afforded excellent accuracy. Contactless RR monitoring was linearly correlated with Alice NightOne and manual counts, presenting coefficients of determination of 0.88 and 0.90, respectively. Contactless HR monitoring presented a coefficient of determination of 0.91. The mean absolute errors were 0.84 and 2.15 beats per minute for RR and HR, respectively.Conclusions Compared with existing Food and Drug Administration-approved monitors, the findings of the present study revealed that contactless monitoring of RR and HR accurately represented study populations in non-acuity settings. Contactless video monitoring is an unobtrusive and dependable method for monitoring and recording RR and HR. Further research is needed to validate its dependability and utility in other settings, including acute care.Trial registration number CTRI/2018/11/016246.https://bmjopen.bmj.com/content/12/12/e065790.full |
| spellingShingle | Muralidhar Varma Manikanda Krishnan Vaidyanathan Joseph Thomas Trevor Sequeira Navaneetha Krishnan S Naidu Yogish Mallya Amarendranath Sunkara Praveen Patil Nagaraj Poojary Benoît Balmaekers Shankar Prasad N Sulochana Badagabettu Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study BMJ Open |
| title | Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study |
| title_full | Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study |
| title_fullStr | Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study |
| title_full_unstemmed | Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study |
| title_short | Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study |
| title_sort | contactless monitoring of respiratory rate rr and heart rate hr in non acuity settings a clinical validity study |
| url | https://bmjopen.bmj.com/content/12/12/e065790.full |
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