Neurosurgery: Anterior Spinal Approach Anterior Spinal Approach General IndicationsAnterior Lumbar Interbody Fusion (ALIF)TraumaInfectionNeoplasiaKyphosis or ScoliosisCervical SpineMany Different Complex Approaches (Transoral, Retropharyngeal, Maxillotomy, Anterolateral, etc.)Thoracic SpineLeft Thoracotomy Generally PreferredIf High, Some Prefer Right Thoracotomy to Avoid Great VesselsMay Require Rib ResectionVideo-Assisted Thoracic Surgery (VATS) is EvolvingLumbar SpineL1-L5: Generally an Anterior Retroperitoneal Approach from Left Lateral Side Not Requiring Peritoneal ViolationL5-S1: Generally an Anterior Transperitoneal Approach with LaparotomyRequires Mobilization of the Left Common Iliac VesselsMost Commonly Injured Vessel: Left Common Iliac Vein (2-4%)ComplicationsOverall: 5-15%Major Vascular Injury: 1-3%Minor Vascular Injury: 24%