Data Trace Editor – Component Insertion: – tibial insertion: – cement is applied to the proximal tibial surface, and the surgeon uses gloved fingers to manually press cement into proximal tibial surface; – subsequently additional cement is applied to the proximal tibial surface; … Read more
div class=”mh-row clearfix”> h1>/h1> div class=”bodycopy”> strong>blood draw/strong>: A blood drawing technician will draw your blood at 6 AM (will test for your red blood cell levelbr/> – hematocrit – and possibly chemitry level). Ask your nurse about your hematocrit (should be above 30 and ifbr/> the hematocrit is below 26 we may recommend … Read more
What Should You Know Before Your Surgery? How We Protect You From Infection How We Protect You From Blood Clots: Your laboratory results – your hematocrit should be between 30 and 45% – if your hematocrit drops below 25-26% during your surgery, we may recommend a blood transfusion. – nasal swab: Your nasal swab should be … Read more
Specific agents aspirin heparin agents: (see low molecular wt agents) in TKA, w/ low molecular wt heparins relative risk reduction of DVT is about 50% controversies in the report by Comp, et al., the authors evaluated the efficacy and safety of a prolonged post-hospital regimen of enoxaparin following elective total hip or knee replacement, 968 … Read more
– See: Class II Agents – Discussion: – for HTN, and post MI care; HTN: – Non selective B blocker; – Contraindications: Bronchial Asthma, sinus Bradycardia, second or third degree AV block, – Avoid abrupt withdrawl; – Adult: – 10mg PO bid, initially; usual maintenance dose:20-40mg/day; – Post MI:10mg PO bid
– See: – Total Knee Replacement Menu – Axial Alignment – Kinematics of the Knee Joint – Metallurgy: TKR – Rotation of TKR – Unconstrained Prosthesis – Discussion: – inability to achieve precise alignment will ultimately lead to component loosening, the leading cause of TKA failure; – designs with greater conformity between the femoral … Read more
– Discussion: – defects are peripheral or central – peripheral defects offer no peripheral support for tibial component; – central defects with a cortical rim that does not support the tibial componennt act like a peripheral defect; – in OA varus knees defect is peripheral and posteromedial; … Read more
– See: Characteristics of Metals and Implants: – Discussion: – titanium is often selected as a materalial for metal plates or femoral stem implants due to its lower modulus of elasticity (as compared to other alloys); – elastic modulus of stainless steel is 12 times EM of cortical whereas EM of titanium is 6 … Read more
– Discussion: – flex the knee to 90 deg and release the anterior attachment of medial joint capsule from the tibia; – this should provide wide exposure of the interior of the knee; – at this point it should be possible to sublux tibia forward for complete visualization of the plateau surfaces; – trim osteophytes … Read more
(See Compliance/Resp Failure) – normal Tidal Volume w/ spontaneous breathing is 5 ml/kg; – w/ Ventilator, Initially set at 10-15 cc/kg body wt, in Newborns as well as Adults; – adjust as needed w/ ABG; – Tidal vol may need to be increased in individuals w/ Resp acidosis despite adequate frequency of ventialation; – w/ … Read more