Category Anesthesia

Spinal Cord Injury

Risk In USA, trauma is the number one cause. Approx 10,000–12,000 cases per y. Males (80%) primarily affected. Motor vehicle collisions, falls, violence (GSW), sports-related injuries, hematoma, and transverse myelitis most common. Perioperative Risks Hypotension, particularly in acute injury resulting…

Smallpox

Risk Declared eradicated worldwide in 1980. Two repositories hold the variola virus: VECTOR in Koltsovo, Novosibirsk, Russia, and the CDC in Atlanta, Georgia, USA. Potential agent of bioterrorism. Vaccinations are not administered to the general public. In 2007, ACAM2000, the…

Sleep Apnea, Obstructive

Risk Incidence in USA is 3–15% of the whole population (increased fourfold in last 15 y, presumably due to increase in obesity). M:F ratio: 2.5:1. Race with highest prevalence: Unknown. Perioperative Risks Increased risk of pulm Htn, RV failure, and…

Single (Including Common) Ventricle

Risk HLHS is the most common SV congenital cardiac malformation. HLHS accounts for 7.5% of newborns with CHD. Male predominance for HLHS. Perioperative Risks Paradoxical emboli. Complications of chronic hypoxemia: Hyperviscosity, decreased coagulation factors and platelets Surgical shunts (narrowing of…

Silicosis

Risk Silicosis is irreversible fibronodular lung disease caused by inhalation of dust containing crystalline silica (alpha-quartz or silicon dioxide) during occupational exposure. Currently, >1,000,000 workers are exposed, with 200–300 deaths/y; protection devices decrease incidence. Mostly >65 y of age Incidence…

Sickle Cell Trait

Risk Incidence in USA: 3 million; 350 million in world Race with highest prevalence: African Americans Perioperative Risks Increased risk of complications following CABG. Periop mortality rate in published cases of SA trait is 0.8%. Some increased risk of CVA…

Sickle Cell Disease

Risk Affects persons with African, Greek, Turkish, Italian, Arab, Latin American, and Indian ancestry. Incidence in USA: Most common disease identified through state-mandated screening, occurring in 1:2647 births; varies by race, occurring in 1:396 African-American births and 1:36,000 Hispanic births.…

Sick Sinus Syndrome

Risk Highest incidence occurs in pts >60 y. Common in pts who have had congenital heart defect repair surgery. Sinus node dysfunction is a common indication for pacemaker implantation. Perioperative Risks Syncope, symptomatic bradycardia, and asystole. Worry About Sinus bradycardia…