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Significant improvement in nerve conduction, arm length, and upper extremity function after intraoperative electrical stimulation, neurolysis, and biceps tendon lengthening in obstetric brachial…

Overview of attention for article published in Journal of Orthopaedic Surgery and Research, April 2015
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Title
Significant improvement in nerve conduction, arm length, and upper extremity function after intraoperative electrical stimulation, neurolysis, and biceps tendon lengthening in obstetric brachial plexus patients
Published in
Journal of Orthopaedic Surgery and Research, April 2015
DOI 10.1186/s13018-015-0191-y
Pubmed ID
Authors

Rahul K Nath, Chandra Somasundaram

Abstract

Progressive loss of extension and concomitant bony deformity of the elbow are results of persistent biceps contracture in obstetric brachial plexus injury (OBPI) patients, if they do not fully recover. This adversely affects the growth and development and functions of the upper extremity. We have performed biceps tendon lengthening (BTL) using a Z-plasty technique on OBPI patients aged 4 years to adulthood, who had been diagnosed with biceps tendon fixed flexion contractures. Ulnar, radial, and median nerve decompression was also performed at the same sitting. Somatosensory evoked potential (SSEP) monitoring was performed by stimulating the median and ulnar nerves at the wrist and the radial nerve over the dorsum of the hand and recording the peripheral, cervical, and cortical responses. Seven children with obstetric brachial plexus palsy with an average age of 11 years (8.7-14.2 years) were included in this report. Mean follow-up time was 7.4 months (4-11 months). All the patients in this report had the elbow flexion contractures greater than 30°. Mean flexion contracture was 35° (30°-45°) preoperatively, which was improved to 0°-10° postoperatively with an average follow-up of 7 (4-11) months. This surgical procedure corrected the elbow flexion contractures, about an average of 25° and an improved length almost to normal, and improved the upper extremity functions. Neurophysiological data showed significant improvement in conduction of all three nerves tested after neurolysis. Further, median and radial nerve amplitude increase was statistically significant. Statistically significant improvement in biceps length as well as nerve conduction was observed after the surgery. None of the children in our study lost biceps function, although weakness of the biceps is both a short- and long-term risk associated with biceps lengthening.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 35 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 6 17%
Researcher 6 17%
Student > Master 6 17%
Student > Doctoral Student 4 11%
Other 3 9%
Other 5 14%
Unknown 5 14%
Readers by discipline Count As %
Medicine and Dentistry 16 46%
Neuroscience 3 9%
Nursing and Health Professions 3 9%
Agricultural and Biological Sciences 1 3%
Social Sciences 1 3%
Other 2 6%
Unknown 9 26%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 29 April 2015.
All research outputs
#2,485,034
of 5,038,209 outputs
Outputs from Journal of Orthopaedic Surgery and Research
#91
of 278 outputs
Outputs of similar age
#87,532
of 168,717 outputs
Outputs of similar age from Journal of Orthopaedic Surgery and Research
#11
of 39 outputs
Altmetric has tracked 5,038,209 research outputs across all sources so far. This one is in the 47th percentile – i.e., 47% of other outputs scored the same or lower than it.
So far Altmetric has tracked 278 research outputs from this source. They receive a mean Attention Score of 2.2. This one has gotten more attention than average, scoring higher than 57% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 168,717 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 39 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 66% of its contemporaries.