Subtopic Deep Dive
Shoulder Function Restoration after Plexus Injury
Research Guide
What is Shoulder Function Restoration after Plexus Injury?
Shoulder function restoration after plexus injury involves surgical reconstructions like tendon transfers, nerve grafting, and arthrodesis to recover external rotation and abduction using Constant-Murley and DASH outcome scores.
Research focuses on brachial plexus injuries causing shoulder deficits, with techniques including L'Epicurean reconstruction and pelvic-reconstruction plate arthrodesis. Key evaluations use Constant-Murley scores for function and DASH for disability. Over 10 papers from 1988-2018 address diagnostics, deformities, and long-term outcomes, with Martin et al. (2007) at 251 citations.
Why It Matters
Restoring shoulder abduction and external rotation enables daily activities like perineal care and feeding, directly impacting patient independence post-plexus injury (Richards et al., 1988). In obstetric cases, early MRI identifies deformities for timely intervention, preventing permanent deficits (van der Sluijs et al., 2001). Long-term studies show 25% of perinatal brachial plexus palsy cases have incomplete recovery, affecting functional outcomes into adulthood (Strömbeck et al., 2007; Andersen et al., 2006). High-resolution 3T MR neurography improves preoperative planning (Chhabra et al., 2012).
Key Research Challenges
Incomplete Functional Recovery
Many patients retain abduction and external rotation deficits despite surgery, with 25% showing permanent impairment in perinatal cases (Andersen et al., 2006). Long-term follow-up reveals functional decline from age 5 to adulthood (Strömbeck et al., 2007). Standardized scores like Constant-Murley highlight persistent gaps.
Diagnostic Imaging Limitations
Early identification of shoulder deformities in infants requires MRI, but access and resolution vary (van der Sluijs et al., 2001). High-resolution 3T MR neurography aids brachial plexus visualization, yet widespread adoption lags (Chhabra et al., 2012). Scapular winging diagnosis remains challenging (Martin et al., 2007).
Surgical Complication Risks
Arthrodesis with pelvic-reconstruction plates achieves fusion but risks flail shoulder persistence (Richards et al., 1988). Shoulder dislocation post-injury associates with brachial plexus damage, complicating reconstruction (Gutkowska et al., 2018). Reverse arthroplasty evolutions address complications but need optimization (Scarlat, 2013).
Essential Papers
Scapular winging: anatomical review, diagnosis, and treatments
Ryan M. Martin, David E. Fish · 2007 · Current Reviews in Musculoskeletal Medicine · 251 citations
Anterior Shoulder Dislocation
Steven Cutts, M Prempeh, Steven Drew · 2008 · Annals of The Royal College of Surgeons of England · 211 citations
INTRODUCTION Anterior dislocation of the shoulder is commonly seen in accident and emergency (A&E) and trauma clinics. In this article, we review the existing literature on the injury and the r...
High-Resolution 3T MR Neurography of the Brachial Plexus and Its Branches, with Emphasis on 3D Imaging
Avneesh Chhabra, Gaurav K. Thawait, Theodoros Soldatos et al. · 2012 · American Journal of Neuroradiology · 139 citations
With advancement in 3D imaging, better fat-suppression techniques, and superior coil designs for MR imaging and the increasing availability and use of 3T magnets, the visualization of the complexit...
Complications with reverse total shoulder arthroplasty and recent evolutions
Marius M. Scarlat · 2013 · International Orthopaedics · 130 citations
Deformities of the shoulder in infants younger than 12 months with an obstetric lesion of the brachial plexus
J. A. van der Sluijs, W. J. R. van Ouwerkerk, Arthur de Gast et al. · 2001 · Journal of Bone and Joint Surgery - British Volume · 122 citations
We performed a prospective study using MRI in 16 consecutive infants with a mean age of 5.2 months (2.7 to 8.7) who had shown inadequate recovery from an obstetric lesion of the brachial plexus in ...
Anterior instability of the shoulder after trauma
C. M. Robinson, Richard Dobson · 2004 · Journal of Bone and Joint Surgery - British Volume · 108 citations
The results of treatment of Lisfranc injuries are often unsatisfactory. This retrospective study investigated 46 patients with isolated Lisfranc injuries a minimum of 2 years following surgery. 13 ...
Perinatal brachial plexus palsy
John Andersen, Joe Watt, Jaret L. Olson et al. · 2006 · Paediatrics & Child Health · 106 citations
It is not possible to predict which infants are at risk for PBPP, and therefore amenable to preventive measures. Twenty-five per cent of affected infants will experience permanent impairment and in...
Reading Guide
Foundational Papers
Start with Martin et al. (2007, 251 citations) for scapular winging anatomy and Richards et al. (1988, 96 citations) for arthrodesis techniques, as they establish diagnostic and surgical baselines for shoulder deficits post-plexus injury.
Recent Advances
Study Gutkowska et al. (2018, 102 citations) on brachial plexus injury after dislocation and Strömbeck et al. (2007, 94 citations) for long-term functional outcomes in obstetric cases.
Core Methods
Core techniques: 3T MR neurography for imaging (Chhabra et al., 2012), pelvic-reconstruction plate arthrodesis (Richards et al., 1988), and outcome scoring with Constant-Murley/DASH across studies.
How PapersFlow Helps You Research Shoulder Function Restoration after Plexus Injury
Discover & Search
Research Agent uses searchPapers for 'shoulder arthrodesis brachial plexus' retrieving Richards et al. (1988), then citationGraph maps 96 citing works on fusion techniques, and findSimilarPapers expands to tendon transfers from Martin et al. (2007). exaSearch queries 'Constant-Murley scores plexus injury outcomes' for 250M+ OpenAlex papers.
Analyze & Verify
Analysis Agent applies readPaperContent to Chhabra et al. (2012) extracting 3T MR protocols, verifies claims via verifyResponse (CoVe) against van der Sluijs et al. (2001) MRI data, and runPythonAnalysis computes meta-gradings of Constant-Murley scores across 10 papers using GRADE evidence grading for outcome reliability.
Synthesize & Write
Synthesis Agent detects gaps in long-term external rotation data via gap detection on Strömbeck et al. (2007), flags contradictions between arthrodesis fusion rates (Richards et al., 1988) and complications (Scarlat, 2013), then Writing Agent uses latexEditText for revisions, latexSyncCitations for 251-citation Martin paper, latexCompile for reports, and exportMermaid for surgical workflow diagrams.
Use Cases
"Compare Constant-Murley scores in plexus arthrodesis vs tendon transfers"
Research Agent → searchPapers → Analysis Agent → runPythonAnalysis (pandas meta-analysis of scores from Richards 1988, Strömbeck 2007) → GRADE grading → CSV export of aggregated outcomes.
"Draft LaTeX review on obstetric brachial plexus shoulder deformities"
Synthesis Agent → gap detection on van der Sluijs 2001 → Writing Agent → latexGenerateFigure (shoulder MRI), latexSyncCitations (Chhabra 2012), latexCompile → PDF with synced references.
"Find analysis code for DASH scores in shoulder rehab papers"
Research Agent → paperExtractUrls (Gutkowska 2018) → Code Discovery → paperFindGithubRepo → githubRepoInspect → runPythonAnalysis sandbox testing DASH computation scripts.
Automated Workflows
Deep Research workflow conducts systematic review: searchPapers on 'plexus shoulder restoration' → 50+ papers → citationGraph → structured report with GRADE scores from Richards (1988) and Strömbeck (2007). DeepScan applies 7-step analysis with CoVe checkpoints verifying MRI efficacy in Chhabra (2012) vs van der Sluijs (2001). Theorizer generates hypotheses on arthrodesis vs transfers from complication data in Scarlat (2013).
Frequently Asked Questions
What defines shoulder function restoration after plexus injury?
It encompasses nerve reconstructions, tendon transfers, and arthrodesis to restore abduction and external rotation, evaluated by Constant-Murley and DASH scores.
What are main surgical methods?
Methods include pelvic-reconstruction plate arthrodesis (Richards et al., 1988) and addressing scapular winging (Martin et al., 2007), with diagnostics via 3T MR neurography (Chhabra et al., 2012).
What are key papers?
Foundational: Martin et al. (2007, 251 citations) on scapular winging; Richards et al. (1988, 96 citations) on arthrodesis. Recent: Gutkowska et al. (2018, 102 citations) on dislocation-plexus links.
What open problems exist?
Persistent incomplete recovery (25% in perinatal cases, Andersen et al., 2006), long-term functional decline (Strömbeck et al., 2007), and optimizing imaging-surgical timing (van der Sluijs et al., 2001).
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Part of the Nerve Injury and Rehabilitation Research Guide