Ortho Oracle - orthopaedic operative atlas

Pseudoarthrosis of the Tibia

– See: Congenital Pseudarthrosis of Tibia – Classification into “Stiff” and “Lax” Pseudoarthrosis:     – stiff pseudoarthrosis:          – bone ends are hypertrophic          – hypertrophic non union should first be compressed for 2-3 weeks, followed by gradual distraction; – Lax Non Union:     – lax nonunion … Read more

Pseudoachondroplasia

– See: Achondroplasia – Discussion:     – autosomal dominant disorder which occurs as a result of a mutation of a calmodulin like calcium binding protein;     – result is abnormal proteoglycan accumulation in the chondrocyte rough endoplasmic reticulum;     – there are moderate to severe epiphyseal, metaphyseal, and physeal abnormalities in long … Read more

Pseudoephedrine/Sudafed/ Novafed/ Afrinol

– Decongestant;  – Adult: 30-60 mg PO q6-8hr; SR caps 120 mg PO q12hr;  – Contraindicated in patients with HTN or CAD or MAOIs;  – found in many cough and cold preparations;  – Peds: 6 mo – 1 yr – 1/4 tsp qid 1 yr – 3 yr – 1/2 tsp qid 3 yr – … Read more

Proximal Humeral Physeal Injuries

– See: – Humeral Shaft Fractures in Children – Throwing Shoulder – Discussion: – most of these injuries are either Salter I or II fractures; – frx separations of proximal humeral epiphysis occur most often between ages of 11 and 15 years; – 80% of longitudinal growth of humerus occurs in proximal physis; – large … Read more

Proximal Metatarsal Osteotomy for Hallux Valgus

– See: Hallux Valgus: – Cresentric Proximal Osteotomy: – allows redirection of the MT without loss of bone neither shortens nor lengthens the first metatarsal; – complications include malunion, delayed union, non union, and transfer metatarsalgia (not from shortening but if first MT is dorsiflexed); – Technique of Concentric Osteotomy: – dorsal incision is made … Read more

Proximal Inter-Locking for Synthes Nail

Intramedullary Nailing of Femoral Shaft Fractures. Part I. Decision-making Errors with Interlocking Fixation. Intramedullary nailing of femoral shaft fractures. Part II: Fracture-healing with static interlocking fixation. Intramedullary nailing of femoral shaft fractures. Part III: Long-term effects of static interlocking fixation. Interlocking intramedullary nailing in femoral shaft fractures. A report of forty-eight cases. Cephalomedullary screws as the … Read more

PROTRIPTYLINE/VIVACTIL

for endogenous depression; tricyclic antidepressant;  Adult: 5-10mg PO tid/qid;  Monitor elderly patients for cardiovascular side effects; anticholinergic effects

Proximal Femoral Shaft Fractures

– See:  – Subtrochanteric Fractures – Discussion: – failure of nail to fill IM canal of either the proximal or distal fragment, may lead to postoperative instability; – tend to migrate into a varus deformity – requires abduction and traction for reduction; – tends to have an accentuated anterior bow; – internal rotation tends to … Read more