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Obstetric brachial plexus palsy associated with breech delivery. A different pattern of injury
G Geutjens1, A Gilbert, K Helsen
1Institut Francais de la Main, Centre Chirurgical Franklin, Paris, France.
Insights
Obstetric brachial plexus injuries in breech births differ from shoulder dystocia cases, often involving root avulsion. This severe injury has a poorer prognosis and is less responsive to standard surgical treatments.
Area of Science:
- Pediatric Surgery
- Neurology
- Obstetrics
Background:
- Obstetric brachial plexus palsy commonly results from shoulder dystocia, typically involving upper root rupture.
- Early surgical intervention offers a favorable prognosis for these cases.
Purpose of the Study:
- To investigate the pattern and prognosis of obstetric brachial plexus palsy in infants following breech delivery.
- To compare these injuries with those resulting from shoulder dystocia.
Main Methods:
- Retrospective review of 36 cases of obstetric brachial plexus palsy in babies delivered via breech presentation.
- Analysis of injury patterns, specifically focusing on root involvement and avulsion.
Main Results:
- A distinct injury pattern was observed in breech delivery cases, with 81% exhibiting upper root avulsion.
- This pattern differs significantly from shoulder dystocia-related injuries.
- Avulsion injuries are not amenable to standard microsurgical grafting and have a worse prognosis for shoulder function.
Conclusions:
- Obstetric brachial plexus palsy following breech delivery presents a unique and severe injury pattern, primarily characterized by root avulsion.
- This specific injury type carries a significantly poorer prognosis for shoulder function compared to injuries from shoulder dystocia.
- Current surgical approaches may be less effective for avulsion injuries, necessitating further research into alternative treatments.
Abstract:
Most obstetric brachial plexus palsies are due to rupture of the upper roots in babies whose delivery was complicated by shoulder dystocia. If treated by early exploration and grafting, they have a favourable prognosis. We reviewed 36 babies who had had an obstetric brachial plexus palsy after a breech delivery and found that they had a different pattern of injury; 81% had avulsion of the upper roots. This injury cannot be treated satisfactorily by exploration and microsurgical grafting and carries a considerably worse prognosis for shoulder function.