The Hip - book

Bankart Lesion

    – Discussion: – is an avulsion of the anteroinferior glenoid labrum at its attachment to IGHL complex; – lesion is felt to result from anterior shoulder dislocation and is felt to be primary lesion in recurrent anterior instability; – when Bankart lesion occurs, there is obligitory concomitant capsular disruption, w/ stretching or elongation … Read more

Axillary Approach to the Shoulder

– Indications:     – most often used for anterior shoulder reconstructions – Positioning:     – beach chair w/ full access to posterior aspect of shoulder;     – holding shoulder in flexion, will relax shoulder & facilitate exposure;     – consider the Mconnel Shoulder Positioner;     – references:       … Read more

Axillary Artery

– See: Arteries of the Upper Limb – Discussion:     – the axillary artery begins at the first rib as a direct continuation of the subclavian artery and becomes the brachial artery at the lower border of the teres major     – artery passes behind pectoralis minor in its course thru axilla & is conveniently described as having 3 … Read more

AVN: Pathogenesis

– Discussion: (See: Blood Supply to Femoral Head)     – there are certain areas of bone in which vascular supply is precarious;     – these areas are subject to infarction and avascular necrosis;     – three such regions are head of femur, body of talus, & scaphoid;     – they have the … Read more

Avascular Necrosis of Femoral Head

Discussion: – pathogenesis – vascular interruption: – blood supply to femoral head – specific inciting causes – natural history – diff dx: – synovitis; – Idiopathic Transient Osteoporosis of the Hip – femoral neck stress frx – metastatic disease – trochanteric bursitis: – ref: Avascular necrosis of the femoral head presenting as trochanteric bursitis. – … Read more

Avascular Necrosis after Hip Dislocation

– See:       – Frx Dislocations of the Hip       – Avascular Necrosis of the Femoral Head – Discussion:     – overall incidence between 5-40%;     – if reduction is performed w/in 6 hours, incidence of AVN will be less than 10%;     – in the study by McKee, et … Read more