– Exposure of the Subscapularis: – the upper portion of the subscapularis tendon is exposed by partial release of the CA ligament off the coracoid, by placement of a Homan retractor directly above the coracoid, and by abduction and external rotation of the arm; – the upper portion of the … Read more
– Discussion: – operative considerations: hemiarthroplasty vs total shoulder arthroplasty – anatomy: – normal population, glenoid version: from 5 deg of anteversion to 15° of retroversion, with an avg preop retroversion range from 1 deg to 6 deg; – surgical goal of resurfacing is to place the glenoid in 0° … Read more
– Discussion: – if secondary frx line travels parallel w/ plantar aspect of foot, exiting at posterior border of the calcaneus, tounge frx will develop; – secondary fracture line extends posteriorly from superior part of primary frx line (at crucial angle), creating 1 single posterior, superior, & lateral fragment; – hence, the coronal … Read more
– Discussion: – toxic shock is an acute febrile syndrome that was originally described in association with the use of highly absorbent tampons but is now recognized to occur as a postoperative complication of many different surgical procedures; – toxins produced by staphylococcus aureus (or streptococcus) are probably responsible for this syndrome; … Read more
– Discussion: – up to 80 % of patients w/ traumatic DJD may expect a good to excellent result at 5 years; – up to 30 % of patients will sustain a major complication over 5 years, which often will require and additional operation; – indications: … Read more
– PreOp Planning – Local Analgesia Infiltration Techniques – THA/TKA and Datatrace TKR Teaching Video – Surgical Technique – Arthrodesis – Arthroscopy following TKR – Axis for TKR – Axis – Alignment – mechanical axis – anatomic axis – Bilateral Knee Replacement – Biomechanics of the Joint … Read more
– Diff Dx: in Infants: – pterygium colli; – bronchial cleft cysts; – tumor: – cystic hygroma; – thyroid teratomas; – tumors of spinal cord and or posterior cranial fossa; … Read more
– See: aminoglycosides and addition of aminoglyocides to cement – Discussion: – adult dose w/ normal renal F(x) & serious infection: 1mg/kg q8hr; – peds: 7.5 mb/kg/day q8hr (Levels: trough <2; peak: 4-8 hr) – for life threatening infection may use 1.66mg/kg q8hr (reduce dose as soon as possible); … Read more
– Trial Components: – component fit: – evaluate femoral and tibial trial components and determine areas that will need additional cement; – flexion & extension gaps – range of motion: use the largest polyethylene spacer that allows full extension; … Read more
– Discussion: – anterior longitudinal incision allows full exposure of the proximal tibia; – this incision allows exposure of both medial & lateral aspects of joint w/o the necessity for large skin flaps; – this incsion has advantage that it leaves strong cuff of fibrous … Read more