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  • Mini-open approach to...

Mini-open approach to medial pinning in pediatric supracondylar humeral fractures safer than previously thought

Written By : Dr Supreeth D R |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2023-04-03T20:00:25+05:30  |  Updated On 3 April 2023 8:00 PM IST
Mini-open approach to medial pinning in pediatric supracondylar humeral fractures safer than previously thought
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Displaced pediatric supracondylar humeral fractures (SCHFs) are stabilized after reduction by smooth pins. Although some SCHFs are biomechanically stable after lateral-only entry pinning (lateral pinning), an additional medial entry pin (cross-pinning) confers superior stabilization in some SCHFs. There is a recognized risk of iatrogenic ulnar nerve injury with medial entry pinning. The best existing evidence has estimated an iatrogenic ulnar nerve injury rate of approximately 3.4% in cross-pinning. In similar studies, the rate of iatrogenic nerve injury (all nerves) in lateral pinning is estimated at 1.9%.

Andrew B. Rees et al conducted a study to use a large, single-center, single-technique (mini-open) retrospective case series to determine the rate of iatrogenic ulnar nerve injury in cross-pinning. Investigation performed at Vanderbilt University Medical Center, Nashville, Tennessee. The study has been published in ‘the journal of bone and joint surgery.’

Patients undergoing percutaneous cross-pinning via the mini-open technique for SCHFs from 2007 to 2017 were retrospectively reviewed. Injury characteristics, operative variables, fixation technique, and complications, such as iatrogenic nerve injury, were recorded. Patients who underwent operative treatment at another hospital, had no postoperative follow-up, or died due to polytrauma were excluded.

Key findings of the study were:

• In this study, 698 patients undergoing cross-pinning during the study period were identified.

• Patients treated with cross-pinning had severe fractures, including a total of 198 preoperative neurovascular injuries (28.4%), 32 patients (4.6%) with skin tenting, and 19 patients (2.7%) with open fractures.

• Iatrogenic nerve injury was reported in 3 cases (0.43%), all of which affected the ulnar nerve. In 2 of 3 cases of iatrogenic nerve injury, the ulnar nerve symptoms resolved at a mean follow-up of 15 weeks.

• The rates of other complications included loss of fixation (9 patients [1.3%]), osteonecrosis (1 patient [0.1%]), and reoperation (22 patients [3.2%]).

The authors concluded that – “The mini-open approach for medial pin insertion is safer than previous estimates. Here, in the largest single-center study of cross-pinning for SCHFs, the iatrogenic ulnar nerve injury rate of 0.43% was nearly 10 times lower than estimated rates from recent meta-analyses. Considering all nerves, the iatrogenic injury rate for this cross-pinning cohort was also lower than the estimated iatrogenic nerve injury rate for lateral pinning.”

Level of Evidence: Therapeutic Level IV.

Further reading:

A Mini-Open Approach to Medial Pinning in Pediatric Supracondylar Humeral Fractures May Be Safer Than Previously Thought

Andrew B. Rees, Jacob D. Schultz et al

THE JOURNAL OF BONE AND JOINT SURGERY, 2022;104:33-40

http://dx.doi.org/10.2106/JBJS.21.00301


Mini-OpenMedial PinningPediatric Supracondylar Humeral FracturesTHE JOURNAL OF BONE AND JOINT SURGERYAndrew B. Rees
Source : THE JOURNAL OF BONE AND JOINT SURGERY
Dr Supreeth  D R
Dr Supreeth D R

    MBBS, Dip. Ortho, DNB ortho, MNAMS

    Dr Supreeth D R (MBBS, Dip. Ortho, DNB ortho, MNAMS) is a practicing orthopedician with interest in medical research and publishing articles. He completed MBBS from mysore medical college, dip ortho from Trivandrum medical college and sec. DNB from Manipal Hospital, Bengaluru. He has expirence of 7years in the field of orthopedics. He has presented scientific papers & posters in various state, national and international conferences. His interest in writing articles lead the way to join medical dialogues. He can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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