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Early-onset neonatal sepsis is found to be 0.77 to 1 per 100,000 live births in the U.S. In premature babies, the incidence and mortality rates are higher due to the weakness of their immune system. For infants with low birth weight, cases of early-onset sepsis is found to be about 26 per 1,000 and 8 per 1,000 live births.
Prematurity, low birth weight, chorioamnionitis, maternal urinary tract infection and/or maternal fever are complications that increase the risk for early-onset sepsis. Early onset sepsis is indicated by serious respiratory symptoms. The infant usually develops pneumonia, hypothermia, or shock. The mortality rate is 30 to 50%. [30]
The development of sepsis is primarily due to two scenarios. When there is an incomplete abortion caused by the pathogens that result in products of conception remaining in the body. The second scenario occurs intentional septic procedures leads to the spread of the infection from the placenta or fetus to the uterus; this can subsequently cause ...
A follow-up conference, therefore, decided to define the patients with a documented or highly suspicious infection that results in a systemic inflammatory response as having sepsis. [18] Note that SIRS criteria are non-specific, [ 18 ] and must be interpreted carefully within the clinical context.
Bacteremia can have several important health consequences. Immune responses to the bacteria can cause sepsis and septic shock, which, particularly if severe sepsis and then septic shock occurs, have high mortality rates, especially if not treated quickly (though, if treated early, currently mild sepsis can usually be dealt with successfully). [6]
Purpura fulminans is a presenting feature of severe acute sepsis, such as Neisseria meningitidis, Streptococcus pneumoniae, Group A and B Streptococci, and less commonly with Haemophilus influenzae, Staphylococcus aureus, Capnocytophaga canimorsus [8] or Plasmodium falciparum (malaria) infections, particularly in individuals with asplenia. [2]
Septic shock is a result of a systemic response to infection or multiple infectious causes. The precipitating infections that may lead to septic shock if severe enough include but are not limited to appendicitis, pneumonia, bacteremia, diverticulitis, pyelonephritis, meningitis, pancreatitis, necrotizing fasciitis, MRSA and mesenteric ischemia.
The origins of pathophysiology as a distinct field date back to the late 18th century. The first known lectures on the subject were delivered by Professor August Friedrich Hecker at the University of Erfurt in 1790, and in 1791, he published the first textbook on pathophysiology, Grundriss der Physiologia pathologica [2], spanning 770 pages. [3]