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Endothelin-1 (ET-1), a very potent mediator of vasoconstriction, leads to microcirculatory disturbances and release of proinflammatory cytokines under pathophysiologic conditions. Our aim was to evaluate the effect of a selective ET A -receptor antagonist (ET A -RA) on cold ischemia/reperfusion (I/R) injury in a pig model.Twenty pigs revealed orthotopic liver transplantation. The animals...
Calls abound for a culture change in health care to improve patient safety. However, effective change cannot proceed without a clear understanding of perceptions and beliefs about error. In this study, we describe and compare operative team members' and patients' perceptions of error, reporting of error, and disclosure of error.Thirty-nine interviews of team members (9 surgeons, 9 nurses, 10 anesthesiologists)...
The current American Joint Committee on Cancer/International Union Against Cancer classification designates cervical and mediastinal lymph nodes as regional lymph nodes. In a unilateral thyroid neoplasm, however, involvement of the contralateral cervical lymph node compartment or the mediastinal lymph node compartment, both of which have been designated “distant” lymph nodes, may serve as a surrogate...
Involvement of the inferior vena cava (IVC) is a controversial risk factor for surgical treatment of adrenocortical carcinoma (ACC). This study aims to assess the outcome of an aggressive surgical policy for ACC extending into the IVC and discuss treatment strategies based on a review of the literature.Over a 25-year period, 15 patients were treated for ACC extending into the IVC. The upper limit...
Cervicothoracic neuroblastoma originates from the cervical sympathetic nerves and ganglia and thus presents a problem when dissecting the vascular and nervous elements of the subclavian region. The standard operation is based on thoracotomy or dual cervicotomy/thoracotomy, but these approaches do not provide optimal control of the subclavian vessels. We report our experience in children with cervicothoracic...
Thermal ablation by radiofrequency or laser is used increasingly for the treatment of colorectal liver metastases. Recurrence after thermal ablation is common and occurs both locally and at distant sites. One possible cause of this recurrence may be a result of growth stimulation of micrometastases in the remaining liver. This study examined the impact of thermal ablation on growth patterns of hepatic...
The rigorous maintenance of normoglycemia by the administration of insulin is beneficial to critically ill patients. Because insulin induces endothelial nitric oxide (NO) release, and the constitutive release of NO maintains normal microvascular permeability, the authors postulated that insulin would prevent peroxide (H 2 O 2 )-induced endothelial barrier dysfunction, an effect dependent...
Exaggerated activation of peritoneal immunity after major abdominal surgery activates peritoneal macrophages (PMs), which may lead to a relative local immunosuppression. Although laparoscopy (L) is known to elicit a smaller attenuation of peritoneal host defenses, compared with open (O) surgery, effects of the hand-assisted (HA) approach have not been investigated to date.Eighteen pigs underwent a...
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