Thermal damage done to bone by burring and sawing with and without irrigation in knee arthroplasty

Gwenllian F. Tawy, Philip J. Rowe, Philip E. Riches

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Heat from bone resecting tools used in knee surgery can induce thermal osteonecrosis, potentially causing aseptic implant loosening. This study compared oscillating saws to burrs in terms of temperature generation and histologic damage. Use of irrigation to reduce bone temperature was also investigated. Temperatures were recorded during sawing and burring with or without irrigation (uncooled or cooled). Histologic analyses were then carried out. Differences between groups were tested statistically (α = 0.05). On average, burring produced higher temperatures than sawing (P < .001). When uncooled irrigation was used, bone temperatures were significantly lower in sawed bone than in burred bone (P < .001). Irrigation lowered temperatures and thermal damage depths and increased osteocyte viability (P < .001). These results suggest that irrigating bone during resection could prevent osteonecrosis onset.

LanguageEnglish
Pages1102-1108
Number of pages7
JournalJournal of Arthroplasty
Volume31
Issue number5
Early online date10 Nov 2015
DOIs
Publication statusPublished - 31 May 2016

Fingerprint

Sawing
Arthroplasty
Knee Replacement Arthroplasties
Irrigation
Bone
Hot Temperature
Bone and Bones
Temperature
Osteonecrosis
Osteocytes
Surgery
Knee

Keywords

  • bone buring
  • bone overheating
  • bone sawing
  • irrigation
  • knee arthroplasty
  • osteonecrosis

Cite this

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abstract = "Heat from bone resecting tools used in knee surgery can induce thermal osteonecrosis, potentially causing aseptic implant loosening. This study compared oscillating saws to burrs in terms of temperature generation and histologic damage. Use of irrigation to reduce bone temperature was also investigated. Temperatures were recorded during sawing and burring with or without irrigation (uncooled or cooled). Histologic analyses were then carried out. Differences between groups were tested statistically (α = 0.05). On average, burring produced higher temperatures than sawing (P < .001). When uncooled irrigation was used, bone temperatures were significantly lower in sawed bone than in burred bone (P < .001). Irrigation lowered temperatures and thermal damage depths and increased osteocyte viability (P < .001). These results suggest that irrigating bone during resection could prevent osteonecrosis onset.",
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Thermal damage done to bone by burring and sawing with and without irrigation in knee arthroplasty. / Tawy, Gwenllian F.; Rowe, Philip J.; Riches, Philip E.

In: Journal of Arthroplasty, Vol. 31, No. 5, 31.05.2016, p. 1102-1108.

Research output: Contribution to journalArticle

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T1 - Thermal damage done to bone by burring and sawing with and without irrigation in knee arthroplasty

AU - Tawy, Gwenllian F.

AU - Rowe, Philip J.

AU - Riches, Philip E.

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AB - Heat from bone resecting tools used in knee surgery can induce thermal osteonecrosis, potentially causing aseptic implant loosening. This study compared oscillating saws to burrs in terms of temperature generation and histologic damage. Use of irrigation to reduce bone temperature was also investigated. Temperatures were recorded during sawing and burring with or without irrigation (uncooled or cooled). Histologic analyses were then carried out. Differences between groups were tested statistically (α = 0.05). On average, burring produced higher temperatures than sawing (P < .001). When uncooled irrigation was used, bone temperatures were significantly lower in sawed bone than in burred bone (P < .001). Irrigation lowered temperatures and thermal damage depths and increased osteocyte viability (P < .001). These results suggest that irrigating bone during resection could prevent osteonecrosis onset.

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KW - bone overheating

KW - bone sawing

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KW - knee arthroplasty

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