Ortho Oracle - orthopaedic operative atlas

Theophylline Drug Interactions and Toxicities

– Theophylline Clearance is Decreased by:  – Cimetidine (but usually not Ranitidine)  – Erythromycin  – Propanolol  – Allopurinol;   – Theophylline Clearance is Increased by:  – Dilantin  – Phenobarbital – Side Effects: Tachycardia, PVCs, N/V, HA, Seizures  

Theophylline

– See: Theophylline Preparations: Drug Interactions and Toxicities: Aminophylline;  – Discussion:  – for prevention of bronchial Asthma, reversible bronchospasm assoc w/ chronic bronchitis and emphysema;  – is direct relaxant of smooth muscle of bronchial airway & pulmonary blood vessels (bronchodilator and smooth muscle relaxant);  – Adult Dose:  – can only begiven PO;  – 24mg/kg/24hrs PO … Read more

Thenar Space Infections

    – See: Infections of the Hand – Anatomy:     – extends mediolaterally from long metacarpal bone to the thenar eminence;     – extends proximodistally from transverse carpal ligament to just proximal to superfical palmar arch;     – borders of the thenar space include:             – … Read more

Thenar Flap

– Discussion:       – can be used for coverage of finger tip injuries the index, long, ring, (and in some cases the little finger);       – can be used in children and young adults (esp. women) – Advantages:     – more subcutaneous fat available than cross finger flap     … Read more

The role of local antibiotic therapy in the management of compound fractures

Ostermann PA. Henry SL. Seligson D. Clinical Orthopaedics & Related Research. (295):102-11, 1993 Oct. Seven hundred four compound fractures (198 [28%] Grade I, 259 [37%] Grade II, and 247 [35%] Grade III) were treated during a seven-year period at the author’s institution. One hundred fifty-seven open fractures (22%) (Group A) received systemic antibiotic prophylaxis only, … Read more

The Ankle Joint

– See: Role of the Ankle in Gait     – Discussion:     – is a hinge joint w/ malleoli projecting downward from tibia & fibula forming medial and lateral walls of the mortise, encompassing talus;     – in addition, malleoli serve as pulleys for tendons reaching plantar surface of foot from posterior and lateral compartments of … Read more

DVT Risk Reduction – THA

When should prophylaxis be initiated? in the review article by Salvati, et al., the authors point out that timing of heparin administration may be critcal for DVT prophylaxis they point out that thrombogenesis begins during the preparation of the femur and is most pronounced with implantation of femoral components with cement rather than without cement … Read more

TFCC Tear: Associated Injuries

– See: Ligaments of the Wrist – Discussion:         – lunotriquetral interosseous ligament tear – relatively frequent occurance;         – scapholunate dissociation – less frequent occurance;         – ulnocarpal impaction syndrome (which can also mimic TFCC tear);                 – … Read more