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Biomedical subjects

E C Jauch

Publications and source records attributed to E C Jauch.

5 recordsLinked to original sources

Safety of air medical transportation after tissue plasminogen activator administration in acute ischemic stroke.

BACKGROUND AND PURPOSE: We sought to determine the safety of air medical transport (AMT) of patients with acute ischemic stroke (AIS) immediately after or during administration of tissue plasminogen activator (tPA). Patients with AIS treated with tPA in nonuniversity hospitals frequently need transfer to tertiary care centers that can provide specialized care. AMT is a widely available mode of transport that is crucial in providing expedient and quality health care to critically ill patients while assuring high level of care during transportation. The safety of AMT of patients with AIS after or during administration of tPA has not been examined. METHODS: We performed retrospective chart review of 24 patients with AIS who were treated with intravenous tPA and transferred by helicopter to the Hospital of the University of Pennsylvania or the University of Cincinnati Hospital. The charts were reviewed for neurological complications, systemic complications, and adherence to the National Institutes of Neurological Disorders and Stroke (NINDS) protocol for AIS management. RESULTS: No major neurological or systemic complications occurred. Four patients had hypertension warranting treatment, 3 patients experienced motion sickness, 1 patient developed a transient confusional state, and 1 patient experienced minor systemic bleeding. Four NINDS protocol violations occurred, all related to blood pressure management. CONCLUSIONS: In this small series, AMT of AIS patients after thrombolysis was not associated with any major neurological or systemic complications. Flight crew education on the NINDS AIS protocol is essential in limiting the number of protocol violations. AMT of patients with AIS provides fast and safe access to tertiary centers that can provide state of the art stroke therapy.

Acute Disease↗

Unusual headaches.

Headache represents one of the most common somatic complaints seen in the emergency department, accounting for 1% to 3% of all emergency department visits. Although most headaches seen in the emergency department are benign, as many as 10% of all headaches are secondary to an underlying pathologic condition. The emergency physician is well-trained to exclude stoke, subarachnoid hemorrhage, and meningitis as potential causes of headache. This article focuses on seven unusual headache syndromes, all of which are associated with significant morbidity and mortality. Particular emphasis is placed on clinical features and diagnostic modalities of choice.

Diagnosis, Differential↗

Mortality associated with cervicofacial necrotizing fasciitis.

Cervicofacial necrotizing fasciitis is a rare infection but still occurs and carries a mortality rate up to 60%. It is a polymicrobial infection that is characterized by diffuse necrosis of fascial planes and subcutaneous tissues. Diagnosing early stages of cervicofacial necrotizing fasciitis in relationship to other soft tissue infections of odontogenic origin is difficult and leads to less aggressive treatment with resulting increased morbidity and mortality. To prevent this significant mortality and morbidity associated with cervicofacial necrotizing fasciitis early presentation, recognition and treatment by health care provider is essential.

Candidiasis↗

Quantification of leakage pressures after durotomy repairs in the canine.

This study was undertaken to investigate the relative strengths of dural repair using standard suture techniques, suture supplemented with tissue adhesive, and tissue adhesive alone. Uniform 2 mm dural defects were created in adult beagles, repaired, and then subjected to pressurization testing. Defects repaired with suture alone initially leaked within the range of physiologic pressurization, while those supplemented with tissue adhesive or repaired with tissue adhesive alone failed at higher pressurization levels. Histologic sections obtained from the dura treated with fibrin adhesive sealant demonstrated minimal inflammatory response not significantly different than those sections examined at sites repaired by suture alone. A new substance, fibrin adhesive sealant, appears to be useful in effecting dural repair due to its ability to withstand pressures greater than those obtained with suture alone.

Animals↗

Serum levels of prolactin, growth hormone, and cortisol in burn patients: correlations with severity of burn, serum cytokine levels, and fatality.

In this study, we measured serum prolactin (PRL), cortisol, growth hormone, interleukin (IL)-1beta, IL-6, IL-8, IL-10, IL-12, and tumor necrosis factor-alpha in patients admitted with small-to-moderate burn injuries. Serum samples were obtained at the time of admission from 49 adult male burn patients with ages ranging from 18 to 91 years and TBSA ranging from 0.001 to 60%. The levels of serum PRL, IL-8, IL-6, and IL-1beta correlated positively with the TBSA, whereas only serum IL-8 levels correlated positively with fatality. Each of these factors were increased at least 2-fold at the higher burn severity. Not surprisingly, there was a large degree of variability in the hormone and cytokine levels in this patient population, which presumably reflects individual levels of stress, as well as other physiological variables. We also studied relationships between serum hormone levels and serum cytokine levels in this context. Linear regression analysis revealed a significant positive correlation between the serum PRL level and the levels of IL-10, IL-6, and IL-8. These results indicate that PRL responds to burn injury at early time points and that a subset of cytokines are involved in the early response to burn injury.

Adolescent↗