Most midlevel providers acknowledged the importance of good glucose control in the hospital. Lack of familiarity with how to use insulin in the hospital was the most commonly cited barrier to care. Educational programs should heavily emphasize inpatient treatment strategies.
Abbreviations: (CSII) continuous subcutaneous insulin infusion, (PACU) postanesthesia care unit
AbstractCase reports indicate that diabetes patients receiving outpatient insulin pump therapy have been allowed to continue treatment during surgical procedures. Although allowed during surgery, there is actually little information in the medical literature on how to manage patients receiving insulin pump therapy during a planned surgical procedure. A multidisciplinary work group reviewed current information regarding the use of insulin pumps in the perioperative period. Although the work group identified safety issues specific to surgical scenarios, it believed that with the use of standardized guidelines and a checklist, continuation of insulin pump therapy during the perioperative period is feasible. A sample set of protocols have been developed and are summarized. A policy outlining clear procedures should be established at the institutional level to guide physicians and other staff if the devices are to be employed during the perioperative period. Additional clinical experience with the technology in surgical scenarios is needed, and consensus should be developed for insulin pump use in the perioperative phases of care.
Left ventricular dynamics, coronary blood flow (Vcor), and myocardial oxygen consumption (MVO2) were determined in normal patients (N), in chronic pressure overload (aortic stenosis, AS), in chronic volume overload (aortic incompetence, AI), and in coronary heart disease (CHD). Peak systolic and enddiastolic wall stress were increased in AS and AI by 26-52 per cent, the systolic stress being preferably increased in AS, whereas enddiastolic stress was markedly greater in AI. Vcor and MVO2 were elevated in both groups by 45-55 per cent (p less than 0.001). Sufficient correlation was present between peak systolic wall stress and the MVO2 (r equal to 0.82). Since at a given wall stress the MVO2 was somewhat increased in AI and AS when compared with N and CHD, the considerable inhancement of the rate of pressure development (AS) was well as of the external cardiac work (AI) may contribute to the increase in overall oxygen consumption. It is concluded that systolic wall stress represents a primary determinant of MVO2 in pressure and volume overload and that the MVO2 increases in these diseases when hypertrophy becomes inappropriate with regard to the pressure and volume demands imposed to the left ventricle.
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