Ortho Oracle - orthopaedic operative atlas

Spinal Pathology in Myelodysplasia

– Discussion:      – Myelomeningocele Scoliosis may result from:            – idiopathic causes;            – myelomeningocele structural defect;            – congenital defects            – paralytic etiology; – Complications:     – Rapid Curve Progression:         … Read more

Spinal Muscular Atrophy

– Discussion:     – disease of infancy and childhood, however, severity of disease is variable in its severity and progression;     – transmitted as an autosomal recessive trait;     – there is degeneration of the anterior horn cells of spinal cord w/ associated muscle weakness and atrophy;     – its most … Read more

Spinal Cord and Meninges

– See: Neuro Exam: – Discussion:     – vertebral canal houses the spinal cord and its meningeal coverings;     – medulla oblongata is continuous w/ spinal cord at foramen magnum, &spinal cord usually ends inferiorly at level of 1st or 2nd            lumbar vertebra;     – filum terminale:         … Read more

Spinal Anomalies in Marfan’s Syndrome

– See:     – scoliosis menu     – scoliosis menu – Discussion:     – scoliosis occurs in the majority of patients w/ Marfan’s syndrome, (over 60%) but curvatures significant enough to require treatment            occur in only 20% of pts;     – risk of progression:           – scoliosis … Read more

Spina Bifida

                      – See:       – Vertebral Defects:       – Myelodysplasia: – Discussion:     – Spina Bifida refers to a local failure of primordia of the two laminae to unite leaves vertebral canal open dorsally (spinal rachischisis, or             spina bifida);   … Read more

Spherical Acetabular Osteotomy for DDH

– See: DDH – Discussion:     – provides excellent congruity at site of osteotomy, rapid healing, & intrinsic stability with only minimum internal fixation;     – performed through anterior approach;     – specially curved gouges are used to divide acetabulum from surrounding pelvis through osteotomy site 15 mm from articular surface;     … Read more

Spasticity

– Discussion:     – spasticity is defined as “a velocity-dependent increase in tonic stretch reflexes;”     – muscle contractions, which can be violent, may also occur, initiated by even slight stimulation;     – severity of spasticity is difficult to measure and can vary from moment to moment; – Medications:     – diazepam … Read more

Space of Poirier

– See:     – Ligaments of the Wrist – Discussion:     – an atomical defect or weak spot in the floor of the carpal tunnel;     – it lies at the volar aspect of the proximal capitate, lying between the volar radiocapitate and volar radiotriquetral ligaments (see ligaments);     – area expands … Read more

SORBITOL

– for constipation; bowel prep;  – mixed with Kayexalate to prevent fecal impaction and aid in elimination of potassium in cases of hyperkalemia;  – osmotic / emollient laxative;  – dose: 30-60ml of a 20-70% solution prn;  – useful laxative with renal failure