Cochrane Db Syst Rev
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The sphincter of Oddi regulates both bile and pancreatic juice flow into the duodenum. When dysfunction occurs it leads to problems relating to either the bile or pancreatic ducts. On the biliary side, the most common problem is recurrent biliary type pain following cholecystectomy. ⋯ These results suggest that sphincterotomy for biliary sphincter of Oddi dysfunction appears effective in those patients with an elevated sphincter of Oddi basal pressure (>40 mmHg), but is no better than placebo in those patients with a normal basal pressure. The results reported in this review must be interpreted with caution as there are only two studies and one of the reviewers (Toouli) has been an author in both studies. Further trials by independent groups are recommended.
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Tonsillectomy is a commonly performed surgical procedure. There are several operative methods currently in use, but the superiority of one over another has not been clearly demonstrated. ⋯ There are insufficient data to show that one method of tonsillectomy is superior. There is evidence that pain may be greater after monopolar dissection. Large, well designed randomised controlled trials are necessary to determine the optimum method for tonsillectomy.
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Cochrane Db Syst Rev · Jan 2001
ReviewAlpha-1 proteinase inhibitor (a1PI) for preventing chronic lung disease in preterm infants.
Inflammation of the pulmonary parenchyma is one of the important mechanisms implicated in development of chronic lung disease (CLD) in preterm neonates. Release of enzymes and other anti - oxidants following cell damage is considered to be responsible for the damage to lung tissue. Various strategies have been attempted to counteract enzymatic damage to pulmonary parenchyma and to prevent CLD. ⋯ Prophylactic administration of a1PI did not reduce the risk of CLD at 36 weeks or long term adverse developmental outcomes in preterm neonates.
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Spinal immobilisation involves the use of a number of devices and strategies to stabilise the spinal column after injury and thus prevent spinal cord damage. The practice is widely recommended and widely used in trauma patients with suspected spinal cord injury in the pre-hospital setting. ⋯ We did not find any randomised controlled trials that met the inclusion criteria. The effect of spinal immobilisation on mortality, neurological injury, spinal stability and adverse effects in trauma patients remains uncertain. Because airway obstruction is a major cause of preventable death in trauma patients, and spinal immobilisation, particularly of the cervical spine, can contribute to airway compromise, the possibility that immobilisation may increase mortality and morbidity cannot be excluded. Large prospective studies are needed to validate the decision criteria for spinal immobilisation in trauma patients with high risk of spinal injury. Randomised controlled trials in trauma patients are required to establish the relative effectiveness of alternative strategies for spinal immobilisation.
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Studies in traumatic encephalopathy first led to the insight that the damage seen was not just due to direct consequences of the primary injury. A significant, and potentially preventable, contribution to the overall morbidity arose from secondary hypoxic-ischaemic damage. Brain swelling accompanied by raised intracranial pressure (ICP) resulted in inadequate cerebral perfusion with well-oxygenated blood. Detection of raised ICP could be useful in alerting clinicians to the need to improve cerebral perfusion, with consequent reductions in brain injury. ⋯ There are no data from randomised controlled trials that can clarify the role of ICP monitoring in acute coma.