Cannulated Screw Fixation of Jones Fractures
Background: Traditional nonsurgical treatment of Jones fractures has high rates of delayed union, nonunion, and refracture. Internal fixation has become the treatment of choice in athletes and active patients. Purpose: The purpose of this study was (1) to review the short- and long-term clinical res...
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| Veröffentlicht in: | The American journal of sports medicine 2004-10, Vol.32 (7), p.1736 |
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| container_title | The American journal of sports medicine |
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| creator | Keri Reese Alan Litsky Christopher Kaeding Angela Pedroza Nilesh Shah |
| description | Background: Traditional nonsurgical treatment of Jones fractures has high rates of delayed union, nonunion, and refracture. Internal
fixation has become the treatment of choice in athletes and active patients.
Purpose: The purpose of this study was (1) to review the short- and long-term clinical results of cannulated screw fixation of Jones
fractures and (2) to perform a biomechanical evaluation of fatigue failure characteristics of several types of screws used
in the fixation of Jones fractures.
Study Design: Retrospective case series and in vitro biomechanical study.
Methods: Ten male and 5 female patients with Jones fractures fixed with cannulated screws ranging from 4 mm to 6.5 mm in diameter
were evaluated by chart review, review of radiographs, and telephone interview. Mean follow-up from surgery to phone survey
was 34 months. Screws ranging in size from 2.7 mm to 7.3 mm, both cannulated and noncannulated, stainless steel and titanium,
were tested in the laboratory by cyclic loading to 250 N up to a maximum of 200 000 cycles.
Results: Mean time to healing as shown on radiographs and by full activity after surgery were 7.3 and 7.9 weeks, respectively. All
patients were able to return to their previous levels of activity. Screw fatigue data showed that the number of cycles to
failure increased with increasing screw diameter. For 4-mm screws, mean number of cycles to failure was 4308 for cannulated
titanium screws, 22 012 for cannulated stainless steel screws, and 44 523 for noncannulated stainless steel screws.
Conclusions: In our patients, cannulated screw fixation of Jones fractures was a procedure that was reliable, had low morbidity, and afforded
athletes a quick return to activity.
Clinical Relevance: The laboratory study suggests that the largest screw possible should be used for surgical fixation of these fractures and
that screws less than 4 mm in diameter should be used with caution.
Keywords:
Jones fracture
screw fixation
metatarsal bones
fracture fixation intramedullary |
| doi_str_mv | 10.1177/0363546504264929 |
| format | Article |
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fixation has become the treatment of choice in athletes and active patients.
Purpose: The purpose of this study was (1) to review the short- and long-term clinical results of cannulated screw fixation of Jones
fractures and (2) to perform a biomechanical evaluation of fatigue failure characteristics of several types of screws used
in the fixation of Jones fractures.
Study Design: Retrospective case series and in vitro biomechanical study.
Methods: Ten male and 5 female patients with Jones fractures fixed with cannulated screws ranging from 4 mm to 6.5 mm in diameter
were evaluated by chart review, review of radiographs, and telephone interview. Mean follow-up from surgery to phone survey
was 34 months. Screws ranging in size from 2.7 mm to 7.3 mm, both cannulated and noncannulated, stainless steel and titanium,
were tested in the laboratory by cyclic loading to 250 N up to a maximum of 200 000 cycles.
Results: Mean time to healing as shown on radiographs and by full activity after surgery were 7.3 and 7.9 weeks, respectively. All
patients were able to return to their previous levels of activity. Screw fatigue data showed that the number of cycles to
failure increased with increasing screw diameter. For 4-mm screws, mean number of cycles to failure was 4308 for cannulated
titanium screws, 22 012 for cannulated stainless steel screws, and 44 523 for noncannulated stainless steel screws.
Conclusions: In our patients, cannulated screw fixation of Jones fractures was a procedure that was reliable, had low morbidity, and afforded
athletes a quick return to activity.
Clinical Relevance: The laboratory study suggests that the largest screw possible should be used for surgical fixation of these fractures and
that screws less than 4 mm in diameter should be used with caution.
Keywords:
Jones fracture
screw fixation
metatarsal bones
fracture fixation intramedullary</description><identifier>ISSN: 0363-5465</identifier><identifier>EISSN: 1552-3365</identifier><identifier>DOI: 10.1177/0363546504264929</identifier><identifier>PMID: 15494341</identifier><language>eng</language><publisher>American Orthopaedic Society for Sports Medicine</publisher><ispartof>The American journal of sports medicine, 2004-10, Vol.32 (7), p.1736</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c786-e21749d8d0f59c1c1c00669e450afa4890b64baee5a446dc7c578cb26eddfd983</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Keri Reese</creatorcontrib><creatorcontrib>Alan Litsky</creatorcontrib><creatorcontrib>Christopher Kaeding</creatorcontrib><creatorcontrib>Angela Pedroza</creatorcontrib><creatorcontrib>Nilesh Shah</creatorcontrib><title>Cannulated Screw Fixation of Jones Fractures</title><title>The American journal of sports medicine</title><description>Background: Traditional nonsurgical treatment of Jones fractures has high rates of delayed union, nonunion, and refracture. Internal
fixation has become the treatment of choice in athletes and active patients.
Purpose: The purpose of this study was (1) to review the short- and long-term clinical results of cannulated screw fixation of Jones
fractures and (2) to perform a biomechanical evaluation of fatigue failure characteristics of several types of screws used
in the fixation of Jones fractures.
Study Design: Retrospective case series and in vitro biomechanical study.
Methods: Ten male and 5 female patients with Jones fractures fixed with cannulated screws ranging from 4 mm to 6.5 mm in diameter
were evaluated by chart review, review of radiographs, and telephone interview. Mean follow-up from surgery to phone survey
was 34 months. Screws ranging in size from 2.7 mm to 7.3 mm, both cannulated and noncannulated, stainless steel and titanium,
were tested in the laboratory by cyclic loading to 250 N up to a maximum of 200 000 cycles.
Results: Mean time to healing as shown on radiographs and by full activity after surgery were 7.3 and 7.9 weeks, respectively. All
patients were able to return to their previous levels of activity. Screw fatigue data showed that the number of cycles to
failure increased with increasing screw diameter. For 4-mm screws, mean number of cycles to failure was 4308 for cannulated
titanium screws, 22 012 for cannulated stainless steel screws, and 44 523 for noncannulated stainless steel screws.
Conclusions: In our patients, cannulated screw fixation of Jones fractures was a procedure that was reliable, had low morbidity, and afforded
athletes a quick return to activity.
Clinical Relevance: The laboratory study suggests that the largest screw possible should be used for surgical fixation of these fractures and
that screws less than 4 mm in diameter should be used with caution.
Keywords:
Jones fracture
screw fixation
metatarsal bones
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fixation has become the treatment of choice in athletes and active patients.
Purpose: The purpose of this study was (1) to review the short- and long-term clinical results of cannulated screw fixation of Jones
fractures and (2) to perform a biomechanical evaluation of fatigue failure characteristics of several types of screws used
in the fixation of Jones fractures.
Study Design: Retrospective case series and in vitro biomechanical study.
Methods: Ten male and 5 female patients with Jones fractures fixed with cannulated screws ranging from 4 mm to 6.5 mm in diameter
were evaluated by chart review, review of radiographs, and telephone interview. Mean follow-up from surgery to phone survey
was 34 months. Screws ranging in size from 2.7 mm to 7.3 mm, both cannulated and noncannulated, stainless steel and titanium,
were tested in the laboratory by cyclic loading to 250 N up to a maximum of 200 000 cycles.
Results: Mean time to healing as shown on radiographs and by full activity after surgery were 7.3 and 7.9 weeks, respectively. All
patients were able to return to their previous levels of activity. Screw fatigue data showed that the number of cycles to
failure increased with increasing screw diameter. For 4-mm screws, mean number of cycles to failure was 4308 for cannulated
titanium screws, 22 012 for cannulated stainless steel screws, and 44 523 for noncannulated stainless steel screws.
Conclusions: In our patients, cannulated screw fixation of Jones fractures was a procedure that was reliable, had low morbidity, and afforded
athletes a quick return to activity.
Clinical Relevance: The laboratory study suggests that the largest screw possible should be used for surgical fixation of these fractures and
that screws less than 4 mm in diameter should be used with caution.
Keywords:
Jones fracture
screw fixation
metatarsal bones
fracture fixation intramedullary</abstract><pub>American Orthopaedic Society for Sports Medicine</pub><pmid>15494341</pmid><doi>10.1177/0363546504264929</doi></addata></record> |
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| identifier | ISSN: 0363-5465 |
| ispartof | The American journal of sports medicine, 2004-10, Vol.32 (7), p.1736 |
| issn | 0363-5465 1552-3365 |
| language | eng |
| recordid | cdi_highwire_smallpub3_ajs32_7_1736 |
| source | SAGE Complete A-Z List; Alma/SFX Local Collection |
| title | Cannulated Screw Fixation of Jones Fractures |
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