Abstract
Purpose
The tooth-knuckle injury (TKI) is a serious and potentially costly injury seen in orthopaedic practice. The aim was to conduct a systematic literature review on the factors associated with serious complications and high treatment costs in tooth-knuckle injuries.
Methods
MEDLINE, Scopus and CINAHL were used as the literature sources.
Inclusion criteria
Original research papers that reported on factors predicting serious complications and high treatment costs in TKIs were included. There were no restrictions placed on study size, language, study design or date of publication.
Exclusion criteria
Case studies, case series and review articles were not included.
Results
After duplicates were removed, 403 unique studies remained; after titles and abstracts were screened, 48 titles remained and were retrieved in full text. Of these, 14 titles met the inclusion criteria and were included in the data synthesis. Tenosynovitis, septic arthritis, osteomyelitis and residual stiffness were common serious complications occurring in up to 36.3, 70.0, 47.6 and 65.3 % of cases, respectively. Amputation was also common in up to 18.0 % of injuries. Treatment costs were measured by length of hospital stay and the number of debridements required. On average, patients required 3.8–8 days of admission and 1.3–2.7 debridements each.
Conclusion
Increased time delay from injury to treatment, deeply penetrating injuries, proximal interphalangeal joint (PIPJ) injuries and, possibly, E. corrodens infections were associated with serious complications in TKIs. Delayed treatment, inadequate treatment, PIPJ injuries and deeply penetrating injuries predicted higher treatment costs.
Systematic review registration number
PROSPERO CRD42016029949 (http://www.crd.york.ac.uk/PROSPERO/display_record.asp?ID=CRD42016029949).
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Ethics declarations
Conflict of interest
Hamish Smith, Hannah Hartman, Jeremy Loveridge and Ronny Gunnarsson declare that they have no conflict of interest.
Funding disclosure summary
This work was supported by the College of Medicine and Dentistry, James Cook University, Queensland, Australia, with a research grant awarded to Hamish Smith.
Ethical approval
The study described does not contain studies with human or animals performed by any of the authors.
Appendix: Search strategies
Appendix: Search strategies
MEDLINE search strategy (OvidSP)
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1.
human bites.mp. or exp bites, human/
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2.
(fight bite or tooth knuckle injur* or clenched fist injur* or closed fist injur* or punch bite or fite bite).tw.
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3.
1 or 2
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4.
costs.mp. or exp cost and cost analysis/
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5.
debridement.mp. or exp debridement
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6.
washout*.mp.
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7.
therapeutic irrigation.mp. or exp therapeutic irrigation/
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8.
drainage.mp or exp drainage/
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9.
length of stay.mp. or exp length of stay/
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10.
complication*.mp.
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11.
exp hand injury/co (complications)
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12.
gangrene.mp. or exp gangrene/
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13.
osteomyelitis.mp. or exp osteomyelitis/
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14.
septic arthritis.mp. or exp arthritis, infectious/
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15.
stiff*.mp
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16.
range of motion.mp. or exp range of motion, articular/
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17.
chronic pain.mp. or exp chronic pain/
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18.
ankylosis.mp. or exp ankylosis/
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19.
amputation.mp. or exp amputation/
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20.
tenosynovitis.mp. or exp tenosynovitis/
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21.
treatment failure.mp. or exp treatment failure/
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22.
4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21/
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23.
3 and 22/.
Scopus search strategy
[(TITLE-ABS-KEY(“human bites”) OR TITLE-ABS-KEY(fight bite) OR TITLE-ABS-KEY(tooth knuckle injur*) OR TITLE-ABS-KEY(clenched fist injur*) OR TITLE-ABS-KEY(closed fist injur*) OR TITLE-ABS-KEY(punch bite) OR TITLE-ABS-KEY(fite bite))] AND [(TITLE-ABS-KEY(“cost and cost analysis”) OR TITLE-ABS-KEY(debridement*) OR TITLE-ABS-KEY(washout*) OR TITLE-ABS-KEY(“therapeutic irrigation*”) OR TITLE-ABS-KEY(drainage*) OR TITLE-ABS-KEY(“length of stay*”) OR TITLE-ABS-KEY(complication*) OR TITLE-ABS-KEY(gangrene*) OR TITLE-ABS-KEY(osteomyelitis) OR TITLE-ABS-KEY(“septic arthritis”) OR TITLE-ABS-KEY(stiff*) OR TITLE-ABS-KEY(“range of motion”) OR TITLE-ABS-KEY(“chronic pain”) OR TITLE-ABS-KEY(ankylosis) OR TITLE-ABS-KEY(amputation*) OR TITLE-ABS-KEY(tenosynovitis) OR TITLE-ABS-KEY(“treatment failure”))].
CINAHL search strategy
[human bites OR fight bite OR tooth knuckle injury OR closed fist injury OR clenched fist injury OR punch bite OR fite bite) AND (costs OR cost and cost analysis OR debridement OR washout* OR therapeutic irrigation OR drainage OR length of stay OR complication OR gangrene OR osteomyelitis OR septic arthritis OR stiffness OR range of motion OR chronic pain OR ankylosis OR amputation OR tenosynovitis OR treatment failure].
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Smith, H.R., Hartman, H., Loveridge, J. et al. Predicting serious complications and high cost of treatment of tooth-knuckle injuries: a systematic literature review. Eur J Trauma Emerg Surg 42, 701–710 (2016). https://doi.org/10.1007/s00068-016-0701-6
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DOI: https://doi.org/10.1007/s00068-016-0701-6