Essence of Anesthesia Practice

Cri Du Chat Syndrome (5p− Syndrome)

Risk 1:15,000-50,000 live births Most common human chromosomal syndrome Perioperative Risks Difficult airway management due to anatomic abnormalities of the airways. 30% can present with congenital heart disease. Aspiration risk. May require temp control. Cardiac events (pts may have cardiac…

Creutzfeldt-Jakob Disease

Risk Iatrogenic transmission (actual and theoretical) Blood products: blood transfusion (3 reported cases). Greater risk with pooled products (since 1999 UK has imported blood fractions) or massive blood transfusion. Risk mitigated by deferral of recipients as donors (initiated: 1998 in…

CREST Syndrome

Risk Pts with Hx of exposure to silica dust or PVC. Usual age group is 30–50 y. Fourfold to ninefold higher incidence in women than men; seen in all races. In USA systemic sclerosis has an estimated incidence of 19…

Craniosynostosis

Risk Occurs in 1:2000-2500 live births. May be spontaneous, syndromic, or familial, but it most commonly presents as an isolated abnormality; however, it can present as a component of a syndrome or genetic disorder in 15–40% of pts. Familiarity with…

Craniofacial Clefts

Risk Cleft lip and palates are the most common birth defects in USA. Cleft lip and/or palate incidence in USA is 1:600 newborns. Craniofacial clefts are rare, with incidence of 1:1000 births worldwide. Increased prevalence with Asians, Latinos, and Native…

Coronary Artery Spasm

Risk Disease affecting mostly middle- and old-aged men and postmenopausal women Gender difference: Higher incidence in women Periop CAS: Prevalent in elderly male pts with coronary risk factors Teenagers and young adults with illicit substance abuse, primarily cocaine Occurs in…

Cor Pulmonale

Risk RV failure is the third most common cardiac Dx after age 50 y. Of all CHF admissions, 10–20% have some aspect of right heart failure. Gender predominance is male > female. Perioperative Risks Increased risk for respiratory failure, severe…

Conversion Disorder (Functional Neurologic Symptom Disorder)

Risk Reported prevalence varies widely (11–500”100,000). It may account for unexplained symptoms in as much as 1–14% of general medical/surgical pts and possibly as much as 20% of new outpatient neurology referrals. Possibly higher in rural populations, developing areas, lower…

Constipation

Risk Median prevalence of constipation in adults is 16% (studies range 0.7–79%); in adults aged ≥60 y, it is 33.5%. Prevalence may be higher in nonwhite and institutionalized populations. Male:female ratio: 1:1.5. Perioperative Risks Increased risk of gastroparesis and N/V…