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Causes of Surgical errors/complications

Surgical errors/complications Causes: Book Excerpts

Medical news summaries relating to Surgical errors/complications:

The following medical news items are relevant to causes of Surgical errors/complications:

Related information on causes of Surgical errors/complications:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Surgical errors/complications may be found in:

Causes of Surgical errors/complications: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Surgical errors/complications.

Diabetic complications during pregnancy: Causes
(Professional Guide to Diseases (Eighth Edition))

In diabetes mellitus, glucose is inadequately utilized either because insulin isn’t synthesized or because tissues are resistant to the hormonal action of endogenous insulin. During pregnancy, the fetus relies on maternal glucose as a primary fuel source. Pregnancy triggers protective mechanisms that have anti-insulin effects: increased hormone production (placental lactogen, estrogen, and progesterone), which antagonizes insulin’s effects; degradation of insulin by the placenta; and prolonged elevation of stress hormones (cortisol, epinephrine, and glucagon), which raise blood glucose levels.

In a normal pregnancy, an increase in anti-insulin factors is counterbalanced by an increase in insulin production to maintain normal blood glucose levels. However, females who are prediabetic or diabetic are unable to produce sufficient insulin to overcome the insulin antagonist mechanisms of pregnancy, or their tissues are insulin-resistant. As insulin requirements rise toward term, the patient who’s prediabetic may develop gestational diabetes, necessitating dietary management and, possibly, exogenous insulin to achieve glycemic control, whereas the patient who’s insulin-dependent may need increased insulin dosage.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005

Diabetic complications during pregnancy: Causes
(Handbook of Diseases)

In diabetes mellitus, glucose is inadequately used either because insulin isn’t synthesized (as in type 1, insulin-dependent diabetes) or because tissues are resistant to the hormonal action of endogenous insulin (as in type 2, non–insulin-dependent diabetes).

Protective mechanisms

During pregnancy, the fetus relies on maternal glucose as a primary fuel source. Pregnancy triggers protective mechanisms that have anti-insulin effects: increased hormone production (placental lactogen, estrogen, and progesterone), which antagonizes the effects of insulin; degradation of insulin by the placenta; and prolonged elevation of stress hormones (cortisol, epinephrine, and glucagon), which raise blood glucose levels.

In a normal pregnancy, an increase in anti-insulin factors is counterbalanced by an increase in insulin production to maintain normal blood glucose levels. However, women who are prediabetic or diabetic can’t produce sufficient insulin to overcome the insulin antagonist mechanisms of pregnancy, or their tissues are insulin-resistant.

As insulin requirements rise toward term, the patient who is prediabetic may develop gestational diabetes, necessitating dietary management and, possibly, exogenous insulin to achieve glycemic control. The insulin-dependent patient may need increased insulin dosage.

» READ BOOK EXCERPT ONLINE »

Source: Handbook of Diseases, 2003


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