Outpatient Surgery Magazine - Subscribers

Shopping for Surgery - June 2015 - Outpatient Surgery Magazine

Outpatient Surgery Magazine, providing current information on Surgical Services, Surgical Facility Administration, Outpatient Surgery News and Trends, OR Excellence and more.

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oxygen supply and demand, potentially leading to ischemia and myocardial infarction. Maintenance of normothermia throughout sur- gery has the potential of decreasing cardiac morbidity by 55%. Ventricular fibrillation and arrhythmias tend to occur with more sig- nificant hypothermia in most patients. It is important to remain vigi- lant with patients who have pre-existing myocardial disease or car- diac dysrhythmias, however, as smaller degrees of hypothermia may induce serious changes in rhythm. 9. Adverse affects of hypothermia on the surgical wound include __________ . a. decreased tissue acidosis b. decreased infection rates c. decreased wound dehiscence d. decreased neutrophil function a. Wound problems are one of the most common serious complica- tions of anesthesia and surgery. Hypothermia contributes in multiple ways to wound complications. Mild hypothermia directly suppresses the function of the immune system, making the patient more vulnera- ble to wound infection. Additionally, hypothermia will cause cuta- neous vasoconstriction, which can regionally decrease blood flow to the surgical site, decreasing oxygen tissue delivery and increasing tis- sue acidosis. This can cause delayed healing or wound dehiscence even in the absence of infection. 10. Post-anesthetic shivering __________ . a. occurs in 50% of patients b. is directly correlated with myocardial ischemia c. can improve wound healing by increasing blood flow 6 4 O U T P A T I E N T S U R G E R Y M A G A Z I N E O N L I N E | J U N E 2 0 1 5

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