I do have some cases that involve injury to the posterior shoulder. In some instances the question of posterior versus anterior shoulder injury is not relevant because there should not haved been a vaginal delivery at all. There are several basis for a brachial plexus case. Briefly, was the fetus macrosomic with, or without, a diabetic mother. Was there a meaningful assesment of the fetal weight. Further, if there was an attempt at vaginal delivery, was there a prolonged second stage of labor . Was a vaccuum extraction done, were forceps used at an improper station. All of these factors, and so many many more that I have not mentioned, go into the analysis of a brachial plexus case, and none of these issues concern the anterior or posterior shoulder.
The question of anterior or posterior shoulder only arises in cases where the only issue is excessive traction at delivery, without any warning factors, and assuming that all of the standard maneuvers were performed such as McRoberts and Woods. In fact those cases are the most difficult to win whether the anterior or posterior shoulder is involved.
I did previously post some references to posterior shoulder injury and will do so again. If anyone has any particular questions, please feel free to contact me directly.
Ken Levine
BRL77@world.std.com
617-566-2700
Reply: Severe brachial plexus injury in the posterior arm: An
alternative explanation
Jennett - Am J Obstet Gynecol - 2002 Jun; 186(6); 1378
Severe brachial plexus injury in the posterior arm: An alternative
explanation.
Allen RH - Am J Obstet Gynecol - 01-Jun-2002; 186(6): 1377-8;
discussion 1378
Disuse osteoporosis as evidence of brachial plexus palsy due to
intrauterine fetal maladaptation.
Jennett RJ - Am J Obstet Gynecol - 01-Jul-2001; 185(1): 236-7
Reply
Gherman - Am J Obstet Gynecol - 1999 May; 180(5); 1312
Erb's palsy contrasted with Klumpke's and total palsy: different
mechanisms are involved.
Jennett RJ - Am J Obstet Gynecol - 01-Jun-2002; 186(6): 1216-9;
discussion 1219-20
Principles and practice of management of shoulder dystocia
Bower DJ - Clin Fam Pract - 2001 Jun; 3(2); 401-427
Shoulder dystocia: an obstetric emergency.
Bennett BB - Obstet Gynecol Clin North Am - 01-Sep-1999; 26(3):
445-58, viii
Shoulder dystocia.
Wagner RK - Obstet Gynecol Clin North Am - 01-Jun-1999; 26(2):
371-83
Brachial plexus palsy: an in utero injury?
Gherman RB - Am J Obstet Gynecol - 01-May-1999; 180(5): 1303-7
Electrodiagnostic approach to the patient with suspected
mononeuropathy of the upper extremity
Herrmann D - Neurol Clin - 2002 May; 20(2); 451
Correlation of head-to-body delivery intervals in shoulder
dystocia and umbilical artery acidosis
Stallings SP - Am J Obstet Gynecol - 2001 Aug; 185(2); 268-274
Postinjury neuropathic pain syndromes.
Schwartzman RJ - Med Clin North Am - 01-May-1999; 83(3): 597-626
Erb's palsy causation: a historical perspective.
Sandmire HF - Birth - 01-Mar-2002; 29(1): 52-4
[Shoulder dystocia--consequences and procedures]
Dudenhausen JW - Zentralbl Gynakol - 01-Jul-2001; 123(7): 369-74