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  1. Article ; Online: Evaluation of Sibel's Advanced Neonatal Epidermal (ANNE) wireless continuous physiological monitor in Nairobi, Kenya.

    Coleman, Jesse / Ginsburg, Amy Sarah / Macharia, William / Ochieng, Roseline / Chomba, Dorothy / Zhou, Guohai / Dunsmuir, Dustin / Xu, Shuai / Ansermino, J Mark

    PloS one

    2022  Volume 17, Issue 6, Page(s) e0267026

    Abstract: Background: Neonatal multiparameter continuous physiological monitoring (MCPM) technologies assist with early detection of preventable and treatable causes of neonatal mortality. Evaluating accuracy of novel MCPM technologies is critical for their ... ...

    Abstract Background: Neonatal multiparameter continuous physiological monitoring (MCPM) technologies assist with early detection of preventable and treatable causes of neonatal mortality. Evaluating accuracy of novel MCPM technologies is critical for their appropriate use and adoption.
    Methods: We prospectively compared the accuracy of Sibel's Advanced Neonatal Epidermal (ANNE) technology with Masimo's Rad-97 pulse CO-oximeter with capnography and Spengler's Tempo Easy reference technologies during four evaluation rounds. We compared accuracy of heart rate (HR), respiratory rate (RR), oxygen saturation (SpO2), and skin temperature using Bland-Altman plots and root-mean-square deviation analyses (RMSD). Sibel's ANNE algorithms were optimized between each round. We created Clarke error grids with zones of 20% to aid with clinical interpretation of HR and RR results.
    Results: Between November 2019 and August 2020 we collected 320 hours of data from 84 neonates. In the final round, Sibel's ANNE technology demonstrated a normalized bias of 0% for HR and 3.1% for RR, and a non-normalized bias of -0.3% for SpO2 and 0.2°C for temperature. The normalized spread between 95% upper and lower limits-of-agreement (LOA) was 4.7% for HR and 29.3% for RR. RMSD for SpO2 was 1.9% and 1.5°C for temperature. Agreement between Sibel's ANNE technology and the reference technologies met the a priori-defined thresholds for 95% spread of LOA and RMSD. Clarke error grids showed that all HR and RR observations were within a 20% difference.
    Conclusion: Our findings suggest acceptable agreement between Sibel's ANNE and reference technologies. Clinical effectiveness, feasibility, usability, acceptability, and cost-effectiveness investigations are necessary for large-scale implementation.
    MeSH term(s) Humans ; Infant, Newborn ; Kenya ; Monitoring, Physiologic/methods ; Oximetry/methods ; Oxygen ; Respiratory Rate/physiology
    Chemical Substances Oxygen (S88TT14065)
    Language English
    Publishing date 2022-06-30
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0267026
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Assessment of neonatal respiratory rate variability.

    Coleman, Jesse / Ginsburg, Amy Sarah / Macharia, William M / Ochieng, Roseline / Chomba, Dorothy / Zhou, Guohai / Dunsmuir, Dustin / Karlen, Walter / Ansermino, J Mark

    Journal of clinical monitoring and computing

    2022  Volume 36, Issue 6, Page(s) 1869–1879

    Abstract: Accurate measurement of respiratory rate (RR) in neonates is challenging due to high neonatal RR variability (RRV). There is growing evidence that RRV measurement could inform and guide neonatal care. We sought to quantify neonatal RRV during a clinical ... ...

    Abstract Accurate measurement of respiratory rate (RR) in neonates is challenging due to high neonatal RR variability (RRV). There is growing evidence that RRV measurement could inform and guide neonatal care. We sought to quantify neonatal RRV during a clinical study in which we compared multiparameter continuous physiological monitoring (MCPM) devices. Measurements of capnography-recorded exhaled carbon dioxide across 60-s epochs were collected from neonates admitted to the neonatal unit at Aga Khan University-Nairobi hospital. Breaths were manually counted from capnograms and using an automated signal detection algorithm which also calculated mean and median RR for each epoch. Outcome measures were between- and within-neonate RRV, between- and within-epoch RRV, and 95% limits of agreement, bias, and root-mean-square deviation. Twenty-seven neonates were included, with 130 epochs analysed. Mean manual breath count (MBC) was 48 breaths per minute. Median RRV ranged from 11.5% (interquartile range (IQR) 6.8-18.9%) to 28.1% (IQR 23.5-36.7%). Bias and limits of agreement for MBC vs algorithm-derived breath count, MBC vs algorithm-derived median breath rate, MBC vs algorithm-derived mean breath rate were - 0.5 (- 2.7, 1.66), - 3.16 (- 12.12, 5.8), and - 3.99 (- 11.3, 3.32), respectively. The marked RRV highlights the challenge of performing accurate RR measurements in neonates. More research is required to optimize the use of RRV to improve care. When evaluating MCPM devices, accuracy thresholds should be less stringent in newborns due to increased RRV. Lastly, median RR, which discounts the impact of extreme outliers, may be more reflective of the underlying physiological control of breathing.
    MeSH term(s) Infant, Newborn ; Humans ; Respiratory Rate/physiology ; Kenya ; Capnography ; Monitoring, Physiologic ; Respiration
    Language English
    Publishing date 2022-03-25
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1418733-4
    ISSN 1573-2614 ; 1387-1307 ; 0748-1977
    ISSN (online) 1573-2614
    ISSN 1387-1307 ; 0748-1977
    DOI 10.1007/s10877-022-00840-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Counting: An imprecise reference standard for respiratory rate measurement.

    Ansermino, J Mark / Ginsburg, Amy Sarah / Dunsmuir, Dustin / Karlen, Walter / Gan, Heng / Njeru, Catherine Muthoni / Dumont, Guy A

    Pediatric pulmonology

    2022  Volume 58, Issue 2, Page(s) 597–598

    MeSH term(s) Humans ; Respiratory Rate ; Reference Standards
    Language English
    Publishing date 2022-10-25
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 632784-9
    ISSN 1099-0496 ; 8755-6863
    ISSN (online) 1099-0496
    ISSN 8755-6863
    DOI 10.1002/ppul.26208
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Identification of thresholds for accuracy comparisons of heart rate and respiratory rate in neonates.

    Coleman, Jesse / Ginsburg, Amy Sarah / Macharia, William M / Ochieng, Roseline / Zhou, Guohai / Dunsmuir, Dustin / Karlen, Walter / Ansermino, J Mark

    Gates open research

    2021  Volume 5, Page(s) 93

    Abstract: Background: ...

    Abstract Background:
    Language English
    Publishing date 2021-10-08
    Publishing country United States
    Document type Journal Article
    ISSN 2572-4754
    ISSN (online) 2572-4754
    DOI 10.12688/gatesopenres.13237.2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Are respiratory rate counters really so bad? Throwing the baby out with the bath water.

    Ansermino, J Mark / Dunsmuir, Dustin / Karlen, Walter / Gan, Heng / Dumont, Guy A

    EClinicalMedicine

    2019  Volume 16, Page(s) 14

    Language English
    Publishing date 2019-10-25
    Publishing country England
    Document type Journal Article
    ISSN 2589-5370
    ISSN (online) 2589-5370
    DOI 10.1016/j.eclinm.2019.09.013
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Efficiency of respiratory rate measurements: Comment on Black et al., 2015: "Can simple mobile phone applications provide reliable counts of respiratory rates in sick infants and children? An initial evaluation of three new applications".

    Karlen, Walter / Dunsmuir, Dustin / Ansermino, J Mark

    International journal of nursing studies

    2015  Volume 52, Issue 7, Page(s) 1279–1280

    MeSH term(s) Cell Phone ; Humans ; Mobile Applications ; Respiratory Rate
    Language English
    Publishing date 2015-07
    Publishing country England
    Document type Letter ; Comment
    ZDB-ID 80148-3
    ISSN 1873-491X ; 0020-7489
    ISSN (online) 1873-491X
    ISSN 0020-7489
    DOI 10.1016/j.ijnurstu.2015.03.014
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Night to night variability of pulse oximetry features in children at home and at the hospital.

    Hoppenbrouwer, Xenia L R / Rollinson, Aryannah U / Dunsmuir, Dustin / Ansermino, J Mark / Dumont, Guy / Oude Nijeweme-d'Hollosy, Wendy / Veltink, Peter / Garde, Ainara

    Physiological measurement

    2021  Volume 42, Issue 10

    Abstract: ... ...

    Abstract Objective
    MeSH term(s) Child ; Hospitals ; Humans ; Oximetry ; Polysomnography ; Sleep Apnea Syndromes ; Sleep Apnea, Obstructive
    Language English
    Publishing date 2021-10-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 1149545-5
    ISSN 1361-6579 ; 0967-3334
    ISSN (online) 1361-6579
    ISSN 0967-3334
    DOI 10.1088/1361-6579/ac278e
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: A pain in the neck -- an unexpected complication of transrectal ultrasound and biopsy.

    Agrawal, S / Patil, K / Dunsmuir, W D

    The British journal of radiology

    2009  Volume 82, Issue 977, Page(s) e92–4

    Abstract: In the UK, over 26 000 cases of prostate cancer are diagnosed annually, with many more patients undergoing investigation. Prostate-specific antigen (PSA) testing and its interpretation has always been controversial. Many patients undergo PSA-driven ... ...

    Abstract In the UK, over 26 000 cases of prostate cancer are diagnosed annually, with many more patients undergoing investigation. Prostate-specific antigen (PSA) testing and its interpretation has always been controversial. Many patients undergo PSA-driven biopsies, which can cause significant morbidity. We report an unusual but severe complication following transrectal ultrasound and biopsy.
    MeSH term(s) Biopsy/adverse effects ; Cervical Vertebrae ; Enterobacter cloacae/isolation & purification ; Enterobacteriaceae Infections/diagnosis ; Epidural Abscess/diagnosis ; Epidural Abscess/microbiology ; Humans ; Klebsiella Infections/diagnosis ; Klebsiella oxytoca/isolation & purification ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Neck Pain/etiology ; Prostate/pathology ; Prostate-Specific Antigen/blood ; Prostatic Neoplasms/pathology ; Ultrasonography, Interventional/adverse effects
    Chemical Substances Prostate-Specific Antigen (EC 3.4.21.77)
    Language English
    Publishing date 2009-05
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 2982-8
    ISSN 1748-880X ; 0007-1285
    ISSN (online) 1748-880X
    ISSN 0007-1285
    DOI 10.1259/bjr/12336377
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: How is shared-care growing up?

    Dunsmuir, W D / Kirby, M G

    BJU international

    2003  Volume 91, Issue 3, Page(s) 179–180

    MeSH term(s) Aged ; Family Practice ; Humans ; Interprofessional Relations ; Male ; Middle Aged ; Patient Care Team ; Patient Selection ; Prostate-Specific Antigen/analysis ; Prostatic Diseases/diagnosis ; Prostatic Diseases/therapy
    Chemical Substances Prostate-Specific Antigen (EC 3.4.21.77)
    Language English
    Publishing date 2003-02
    Publishing country England
    Document type Journal Article
    ZDB-ID 1462191-5
    ISSN 1464-410X ; 1464-4096 ; 1358-8672
    ISSN (online) 1464-410X
    ISSN 1464-4096 ; 1358-8672
    DOI 10.1046/j.1464-410x.2003.04074.x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Sir Henry Thompson: the first British urologist (1820-1904).

    Dunsmuir, W D / Kirby, R S

    Journal of medical biography

    2001  Volume 3, Issue 4, Page(s) 187–191

    MeSH term(s) History, 19th Century ; United Kingdom ; Urology/history
    Language English
    Publishing date 2001-09-26
    Publishing country England
    Document type Biography ; Historical Article ; Journal Article ; Portrait
    ZDB-ID 1159267-9
    ISSN 1758-1087 ; 0967-7720
    ISSN (online) 1758-1087
    ISSN 0967-7720
    DOI 10.1177/096777209500300401
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