Generally, this downward turn in gastric cancer is attributed to changes in some risk factors traditionally implicated in its etiology, namely: improvements in the way in which food is preserved, including the use of refrigeration, changes in the dietary habits of the population, and the decline in the prevalence of Helicobacter pylori infection [ 7- 9].
Patients of both etiologies exhibited improvements in I-QOL total scores that were considerably greater than the established MID of 11 points [ 8], with the magnitude of change being greatest in the MS population.
A better understanding of the biomechanics relating to various hip conditions may improve the understanding of the etiology and thereby improvements in treatment and surgical correction.
The etiology of these improvements is unknown, but they may reflect the broad dissemination of tighter blood pressure control targets and improving medication access.
When other intervention treating the underlying etiology failed to yield any improvement, the next option would be a procedure to divert the fluid from the syrinx cavity, such as syringo-subarachnoid, syringo-peritoneal or syringo-pleural shunting.
The drug etiology was also supported by improvement following drug discontinuation while corticosteroids were not given [ 4, 5].
Motivations of therapeutic limitation included persistent RSE without improvement or identifiable etiology, stroke with major brain lesions, multiple organ failure, pre-existent chronic alcoholism with neurological and/or hepatic complications, and cerebral tumor without available treatment.
Despite increasing knowledge in the etiology of ovarian cancer and the improvements in surgery and chemotherapy, there has been little change in the survival of patients.
A clear period of normal development followed by regression and subsequent improvement with treatment, suggests a multifactorial etiology.
After an extensive evaluation for infectious etiologies, IV ganciclovir was resumed with subsequent clinical improvement.
Over the past two decades, there has been a marked improvement in our understanding of the underlying etiology and treatment of central nervous system (CNS) disorders.
