Risk Incidence: 1:200-250 pregnancies Highest incidence with multiparity, repeat C-section or other uterine surgery, prior placenta previa, advanced maternal age, tobacco use, cocaine use, male fetus Perioperative Risks Maternal mortality is <1%. Fetal complications: Prematurity (45% of deliveries at <37…
Acknowledgment The authors wish to thank Ira J. Rampril for work on the previous edition of this chapter. Risk 10% of diagnosed brain neoplasms Peak incidence fourth to sixth decade of life Perioperative Risks Related to specific hormone-related effects, including…
Risk 1:8500-14,000 live births; PRS nonsyndromic in about 40% of cases. Syndromic PRS most commonly associated with Stickler, velocardiofacial, and Treacher-Collins syndromes. Perioperative Risks Chronic airway obstruction, respiratory distress, hypoxia. Malnutrition due to feeding difficulties, GE reflux. Congenital heart defects…
Risk Affects 5–10% of morbidly obese pts Usually associated with long-standing obesity Perioperative Risks Markedly greater risk among the morbidly obese vs. pts with normal BMI. With intraabdominal or intrathoracic procedures lasting more than 2 h, there is approximately 40%…
Risk Physiologic anemia, occurring 6–8 wk after birth, is a normal process in term infants. Anemia of prematurity is a pathologic anemia occurring in preterm infants. Extent of prematurity and comorbidities correlate with extent of anemia. Perioperative Risks Term infants…
Risk Incidence in USA: 0.03–0.04% (∼80,000) by autopsy of nonselected individuals. Prevalence: 0.1–0.3% of individuals with sustained Htn have pheochromocytoma. At least 20% are now diagnosed when the tumor is incidentally found during abdominal MRI or CT for other reasons.…
Risk Increasing prevalence 1976 (lowest) vs. 2012, 1010 vs. 41,880 cases (14 deaths in infants aged <12 mo). Substantial morbidity and mortality in USA children despite high childhood vaccination rates. Incidence highest for infants <1 y of age (23% of all…
Risk Prevalence of PVD is 3–20%; and increases with age. Risk factors: Nonwhite race, male gender, older age, smoking, DM, Htn, hyperlipidemia, and CRI. Risk of MACE approximately 5–7% per year; correlates with the severity of PVD. Perioperative Risks Prevalence…
Risk Dense changes in pericardium can be caused by scarring induced by a single episode of acute pericarditis or by prolonged exposure to an inflammatory process. 18% of pericardiectomies are attributed to previous cardiac surgery, which may explain the increase…
Acknowledgment The authors would like to acknowledge the contributions of Drs. Terence Wallace and Bruce D. Spiess to this text in the previous edition. Risk Occurs rarely May be seen after open-heart surgery or PTCA. Blood and/or serous May be…