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{{short description|Doctor and bacteriologist}} |
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| ⚫ | Dora Colebrook ( |
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{{Infobox scientist |
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| name = Dora Challis Colebrook |
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| birth_date = 1884 |
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| death_date = {{death year and age|1965|1884}} |
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| alma_mater = [[Royal Free Hospital]] London; [[University of London]] |
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| known_for = Bacteriology |
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| ⚫ | '''Dora Challis Colebrook''' (1884–1965) was a medical doctor and bacteriologist. Her research into the efficacy of [[light therapy]]<ref name="Edwards2010">{{cite journal|last1=Edwards|first1=Martin|title=Dora Colebrook and the evaluation of light therapy.|url=http://www.jameslindlibrary.org/articles/dora-colebrook-and-the-evaluation-of-light-therapy/|journal=Journal of the Royal Society of Medicine|year=2011|volume=104|issue=2|pages=84–6|publisher=Royal College of Physicians of Edinburgh and Minervation Ltd|doi=10.1258/jrsm.2010.10k067|pmid=21282799|pmc=3031646|access-date=12 February 2017}}</ref> and the epidemiology of [[puerperal fever|puerperal sepsis]]<ref name="NewSci2017">{{cite journal|last1=Wong|first1=Sam|title=Sibling saviours of the maternity ward|journal=New Scientist|date=4 February 2017|volume=233|issue=3111|pages=40–41|doi=10.1016/S0262-4079(17)30228-2|bibcode=2017NewSc.233...40W|url=https://www.newscientist.com/article/mg23331110-800-sibling-heroes-from-the-dawn-of-antibiotics/|access-date=7 February 2017}}</ref> provided the first evidence-based evaluations of these subjects. |
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==Personal Life== |
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| ⚫ | Colebrook was the youngest daughter of May ( |
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==Early life== |
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| ⚫ | Colebrook was the youngest daughter of May (1838–1896) and Mary Colebrook (née Gower, 1845) with three brothers and sisters, and seven half-siblings from her father's first marriage. The family lived in Guildford, Surrey until her father died in 1896 when they moved to Bournemouth.<ref name="LColebrook_frs">{{Cite journal | last1 = Oakley | first1 = C. L. | doi = 10.1098/rsbm.1971.0004 | title = Leonard Colebrook 1883-1967 | journal = [[Biographical Memoirs of Fellows of the Royal Society]] | volume = 17 | pages = 91–138 | year = 1971 | pmid = 11615432| doi-access = free }}</ref> |
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==Career== |
==Career== |
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She worked initially at the Jessop Hospital in Sheffield as a gynaecologist, then moved to Cambridge in general practice. She then moved to the North Islington Infant Welfare Centre in London. Her career then re-focused on research. |
She worked initially at the now defunct [[Jessop Hospital]] in Sheffield, Yorkshire as a gynaecologist, then moved to Cambridge in general practice. She then moved to the North Islington Infant Welfare Centre in London. Her career then re-focused on research. |
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She was appointed as the secretary to the Medical Research |
She was appointed as the secretary to the Medical Research Council's Clinical and Biological Sub-Committee to the Committee on the Biological Actions of Light after an introduction from her brother, the bacteriologist [[Leonard Colebrook]]. At that time, [[light therapy]] from white or ultraviolet light, was becoming increasing popular for an increasing range of conditions. Her research focused on two areas where it was considered to be effective, namely therapy for varicose ulcers and for generically 'sickly' children. A study of 85 patients with varicose ulcers, comparing light therapy with conventional treatment using paste and dressings, indicated that the latter gave a much better outcome.<ref name="Lancet1928">{{cite journal|last1=Colebrook|first1=Dora|title=Varicose ulcers: a comparison of treatment by ultra-violet light and Unna's Paste dressings.|journal=The Lancet|date=1928|volume=1|pages=904–7|doi=10.1016/S0140-6736(00)98007-3}}</ref><ref name="light-therapy_BMJ1930">{{cite journal|title=Reports of Societies|journal=British Medical Journal|date=1930|volume=1|issue=3603|pages=150–153|jstor=25335016|doi=10.1136/bmj.1.3603.150|s2cid=219992405}}</ref> Her second study, of 287 infant school children, despite some problems with the experimental design, also did not demonstrate a beneficial effect of light therapy. The study compared three treatments namely with UV light therapy, a treatment where the UV light was screened from the children using glass, and a control group who were not treated with light therapy.<ref name="IrradiationHealth_children_1929">{{cite book|last1=Colebrook|first1=Dora|title=Irradiation and health.|date=1929|publisher=HMSO|pages=12|url=http://www.jameslindlibrary.org/colebrook-d-1929/|access-date=15 February 2017}}</ref> In a later randomised controlled trial of coalminers, office and factory workers, she was again unable to show a clear benefit of light therapy.<ref name="HMSO1946">{{cite book|last1=Colebrook|first1=Dora|title=Artificial sunlight treatment in industry.A report on the result of three trials - in an office, in a factory and a coalmine.|date=1946|publisher=MRC Industrial Health Research Board Report No. 89. London: His Majesty’s Stationery Office.|url=http://www.jameslindlibrary.org/colebrook-d-1946/|access-date=15 February 2017}}</ref> |
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Her initial findings about light therapy were controversial since the medical consensus in 1920s held that the well-established light therapy was effective.<ref name="light-therapy_BMJ1930" /> She was still involved in controversy over the efficacy of light therapy into the late 1940s.<ref name="BMJ1946">{{cite journal|last1=Colebrook|first1=Dora C|title=Artificial Sunlight in Industry|journal=British Medical Journal|date=1946|volume=1|issue=4460|page=1000| |
Her initial findings about light therapy were controversial since the medical consensus in 1920s held that the well-established light therapy was effective.<ref name="light-therapy_BMJ1930" /> She was still involved in controversy over the efficacy of light therapy into the late 1940s.<ref name="BMJ1946">{{cite journal|last1=Colebrook|first1=Dora C|title=Artificial Sunlight in Industry|journal=British Medical Journal|date=1946|volume=1|issue=4460|page=1000|pmc=2059270|doi=10.1136/bmj.1.4460.1000}}</ref> |
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Colebrook worked with her brother on the epidemiology of puerperal sepsis at Queen Charlotte's Hospital, London where she was a |
Colebrook worked with her brother on the epidemiology of [[Postpartum infections|puerperal sepsis]] at [[Queen Charlotte's Hospital]], London where she was a Leverhulme Research Fellow. She investigated the source of the [[Streptococcus|streptococcal infections]] within the hospital. After collecting samples of the bacteria from patients, their families and hospital staff, she used immunology to identify individual streptococcal strains. This showed that the strains causing puerperal sepsis were not special but were the same ones present in the community that caused sore throats. They were acquired by women after childbirth rather than before.<ref name="NewSci2017" /><ref name="Streptococci_HMSO1935">{{cite book|last1=Colebrook|first1=Dora C|title=The source of infection in puerperal fever due to haemolytic streptococci|date=1935|publisher=Medical Research Council, Special Report Series No. 205, His Majesty's Stationery Office|location=London|pages=1–98|url=https://drive.google.com/file/d/0B5FxEr3bdp7CMmZxSVRzYkNkdFE/view|access-date=15 February 2017}}</ref> Working together, the Colebrooks showed that streptococci were more likely to originate from hospital staff than from the patient.<ref name="HospInfectAyliffeEnglish2003">{{cite book|url= https://books.google.com/books?id=tJZ6RD6qblIC&q=%22the%20emergence%20of%20antimicrobial%20chemotherapy%22&pg=PA134|title=Hospital Infection from Miasmas to MRSA|author=Graham Ayliffe and Mary English|pages=136–137|access-date=2009-08-05 | isbn=978-0-521-53178-8 | year=2003 | publisher=Cambridge University Press}}</ref> |
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== References == |
== References == |
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{{DEFAULTSORT:Colebrook, Dora}} |
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[[Category:Bacteriologists]] |
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[[Category:English bacteriologists]] |
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[[Category:1884 births]] |
[[Category:1884 births]] |
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[[Category:1965 deaths]] |
[[Category:1965 deaths]] |
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[[Category:Alumni of the University of London]] |
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[[Category:20th-century British medical doctors]] |
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[[Category:British microbiologists]] |
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Latest revision as of 13:21, 19 June 2024
Dora Challis Colebrook | |
|---|---|
| Born | 1884 |
| Died | 1965 (aged 80–81) |
| Alma mater | Royal Free Hospital London; University of London |
| Known for | Bacteriology |
Dora Challis Colebrook (1884–1965) was a medical doctor and bacteriologist. Her research into the efficacy of light therapy[1] and the epidemiology of puerperal sepsis[2] provided the first evidence-based evaluations of these subjects.
Early life
[edit]Colebrook was the youngest daughter of May (1838–1896) and Mary Colebrook (née Gower, 1845) with three brothers and sisters, and seven half-siblings from her father's first marriage. The family lived in Guildford, Surrey until her father died in 1896 when they moved to Bournemouth.[3]
Colebrook studied at the Royal Free Hospital in London, gaining her M.B. in 1915 and then M.D. from University of London in 1919.[1] She also gained a Diploma in Bacteriology.[4]
Career
[edit]She worked initially at the now defunct Jessop Hospital in Sheffield, Yorkshire as a gynaecologist, then moved to Cambridge in general practice. She then moved to the North Islington Infant Welfare Centre in London. Her career then re-focused on research.
She was appointed as the secretary to the Medical Research Council's Clinical and Biological Sub-Committee to the Committee on the Biological Actions of Light after an introduction from her brother, the bacteriologist Leonard Colebrook. At that time, light therapy from white or ultraviolet light, was becoming increasing popular for an increasing range of conditions. Her research focused on two areas where it was considered to be effective, namely therapy for varicose ulcers and for generically 'sickly' children. A study of 85 patients with varicose ulcers, comparing light therapy with conventional treatment using paste and dressings, indicated that the latter gave a much better outcome.[5][6] Her second study, of 287 infant school children, despite some problems with the experimental design, also did not demonstrate a beneficial effect of light therapy. The study compared three treatments namely with UV light therapy, a treatment where the UV light was screened from the children using glass, and a control group who were not treated with light therapy.[7] In a later randomised controlled trial of coalminers, office and factory workers, she was again unable to show a clear benefit of light therapy.[8]
Her initial findings about light therapy were controversial since the medical consensus in 1920s held that the well-established light therapy was effective.[6] She was still involved in controversy over the efficacy of light therapy into the late 1940s.[9]
Colebrook worked with her brother on the epidemiology of puerperal sepsis at Queen Charlotte's Hospital, London where she was a Leverhulme Research Fellow. She investigated the source of the streptococcal infections within the hospital. After collecting samples of the bacteria from patients, their families and hospital staff, she used immunology to identify individual streptococcal strains. This showed that the strains causing puerperal sepsis were not special but were the same ones present in the community that caused sore throats. They were acquired by women after childbirth rather than before.[2][4] Working together, the Colebrooks showed that streptococci were more likely to originate from hospital staff than from the patient.[10]
References
[edit]- ^ a b Edwards, Martin (2011). "Dora Colebrook and the evaluation of light therapy". Journal of the Royal Society of Medicine. 104 (2). Royal College of Physicians of Edinburgh and Minervation Ltd: 84–6. doi:10.1258/jrsm.2010.10k067. PMC 3031646. PMID 21282799. Retrieved 12 February 2017.
- ^ a b Wong, Sam (4 February 2017). "Sibling saviours of the maternity ward". New Scientist. 233 (3111): 40–41. Bibcode:2017NewSc.233...40W. doi:10.1016/S0262-4079(17)30228-2. Retrieved 7 February 2017.
- ^ Oakley, C. L. (1971). "Leonard Colebrook 1883-1967". Biographical Memoirs of Fellows of the Royal Society. 17: 91–138. doi:10.1098/rsbm.1971.0004. PMID 11615432.
- ^ a b Colebrook, Dora C (1935). The source of infection in puerperal fever due to haemolytic streptococci. London: Medical Research Council, Special Report Series No. 205, His Majesty's Stationery Office. pp. 1–98. Retrieved 15 February 2017.
- ^ Colebrook, Dora (1928). "Varicose ulcers: a comparison of treatment by ultra-violet light and Unna's Paste dressings". The Lancet. 1: 904–7. doi:10.1016/S0140-6736(00)98007-3.
- ^ a b "Reports of Societies". British Medical Journal. 1 (3603): 150–153. 1930. doi:10.1136/bmj.1.3603.150. JSTOR 25335016. S2CID 219992405.
- ^ Colebrook, Dora (1929). Irradiation and health. HMSO. p. 12. Retrieved 15 February 2017.
- ^ Colebrook, Dora (1946). Artificial sunlight treatment in industry.A report on the result of three trials - in an office, in a factory and a coalmine. MRC Industrial Health Research Board Report No. 89. London: His Majesty’s Stationery Office. Retrieved 15 February 2017.
- ^ Colebrook, Dora C (1946). "Artificial Sunlight in Industry". British Medical Journal. 1 (4460): 1000. doi:10.1136/bmj.1.4460.1000. PMC 2059270.
- ^ Graham Ayliffe and Mary English (2003). Hospital Infection from Miasmas to MRSA. Cambridge University Press. pp. 136–137. ISBN 978-0-521-53178-8. Retrieved 5 August 2009.
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