Medical Malpractice Insurance for orthopaedic surgeons

Modified McBride Procedure for Hallux Valgus

– Discussion: – modified procedure includes release of adductor hallucis, transverse metatarsal ligament, and lateral capsule combined w/ excision of medial eminence and plication of the capsule medially; – this procedure was modified to retain the lateral sesamoid, which helps to prevent hallux varus (which as common w/ original Mcbride bunionectomy); – as this procedure attempts to … Read more

Modified Weaver Dunn Procedure

– See: AC Joint – Distal Clavicle Excision:     – is often included in the distal clavicular stabilization;     – note that in younger patients the AC joint cartilage (and meniscus) is normally wide and therefore, it is not necessary to resect the usual 1 to 1.5 cm of distal clavicle; – Case Examples: … Read more

Monteggia Fractures in Children

– See: Monteggia Fractures in Adults – Discussion: – all four types of Monteggia frx dislocation are pertinent to children, including Monteggia equivalents; – diff dx: Monteggia equivalent (w/ fracture of proximal radius rather than dislocation of the radial head); – Classification: – type I: – anterior dislocation of the radial head w/ apex anterior … Read more

Mitral Regurgitation

* Etiology: Rheumatic fever, Papillary muscle dysfunction, ruptured chordae tendenae, myxomatous degen. of MV & Endocarditis  * SG cath shows V waves:  – represent regurgitant flow into left atrium; * Physical Exam:  – Pansystolic murmur loudest at the apex,  – MV click, S3 (more likely w/ severe MR), S4  – Jugular A and/or V waves  … Read more

Mitral Valve Prolapse

– See Mitral Regurge – Autosomal Dominant Inheritance/ variable inheritance; – thin anxious young female, Chest Pain, fatigue, syncope – may present as TIA, stroke, MI; – Occasionally: Sudden Death, Progressive dyspnea, Fever (Endocarditis) – associated w/ Marfan’s, Ehlers-Danlos – listen for systolic click followed by Systolic murmur – murmur occurs earlier w/ standing & … Read more

Mixed Venous O2 / VO2-DO2

– Sampling of Mixed Venous O2:  – Shows changes in Arterial oxygenation as the Cardiac Output changes;  – Allows calculation of AVo diff and Shunt: (for Respiratory Failure);  – PVo2 < 30 mm Hg, prognosis is poor;  – Discussion:  – normally the Svo2 is about 68 to 77%, w/ a PaO2 to 40 mm Hg;  … Read more

Mobilization of Rotator Cuff for Repair

– Discussion: (RTC menu)     – mobilization is often required for massive tear;     – simply closing extensive tear will not suffice if atrophied muscles are not contracting adequately and if excessive tensions placed on repaired cuff cause reinjury;     – repair of good quality rotator cuff tissue is esp important in achieving an optimal result; … Read more