Brief Abstract: Today, the diagnosis and grading of mesenteric traction syndrome relies on a subjective assessment of facial flushing. However, this method has several limitations. In this study, Laser Speckle Contrast Imaging and a predefined cut-off value are assessed and validated for the objective identification of severe mesenteric traction syndrome.
View Article and Find Full Text PDFObjectives: Access to affordable STI testing for asymptomatic persons is important to reduce STI transmission. Our testing site offers easily accessible and affordable STI testing for the general population irrespective of symptoms. Here we report STI prevalence and motivational factors of attendance.
View Article and Find Full Text PDFWhite-eyed orbital blowout fractures in the pediatric population can present with acute onset diplopia, ophthalmalgia, and abnormal duction. These findings are attributed to the tendency of younger bone to break and reapproximate owing to greater elasticity. This phenomenon, commonly referred to as the greenstick fracture, increases the risk of entrapment of surrounding soft tissue structures in orbital floor fractures.
View Article and Find Full Text PDFPurpose: Near infrared spectroscopy (NIRS) measures tissue oximetry and perfusion of free tissue transfer with the advantage of remote wireless monitoring for free tissue transfer. It has been widely used in breast and extremity reconstruction but has had limited adoption in the head and neck.
Materials And Methods: A retrospective review of head and neck microvascular reconstruction by three different surgical services over 15 months at one tertiary care hospital was performed.
Intubation with a double-lumen left-sided endotracheal video tube has been the standard procedure for nearly five years in the Department of Cardiothoracic Surgery, Copenhagen University Hospital, but no systematic evaluations have been done. For a 12-month period ending November 2017, data were collected from 579 consecutive patients, scheduled for thoracic surgery with a requirement for one-lung ventilation; 35 anaesthetist trainees (nurses or doctors) (287 cases), 27 nurse anaesthetists (239 cases) and 8 anaesthesiologists (53 cases) managed intubation with a double-lumen tube. Time to intubation was relatively equal across healthcare professionals with a mean time of 53 (anaesthetist trainees), 40 (nurse anaesthetists) and 63 (anaesthesiologists) seconds.
View Article and Find Full Text PDFOtolaryngol Head Neck Surg
January 2019
Objective: There is evidence that children who are deaf and hard of hearing (DHH) have a higher incidence of behavioral disorders. Assessment of behavioral health in this population is often complicated by language developmental delays, which may result in unrecognized and untreated behavioral problems. The purpose of this study is to assess the association of behavioral disorders among children who are DHH and to explore behavioral interventions for children in this population.
View Article and Find Full Text PDFObjectives: The optimal postoperative analgesic strategy after video-assisted thoracoscopic surgery lobectomy remains undetermined. We hypothesized that high-dose preoperative methylprednisolone (MP) would improve analgesia compared to placebo.
Methods: A total of 120 adult patients were randomized equally to 125 mg MP or placebo before the start of their elective video-assisted thoracoscopic surgery lobectomy.
Purpose: To establish the relationship between ALS histopathology and quantitative MRI metrics.
Materials And Methods: ALS patients (N = 8) in advanced stages of the disease were enrolled and, immediately after death, the brain of each patient was removed. Freshly excised ALS tissue was imaged at 3.
Background: Different anesthetic techniques have been used for fast tracking in cardiac anesthesia. Remifentanil, with its unique pharmacokinetic profile, could be an ideal drug for fast tracking. Possible limitations of remifentanil are rapid onset of postoperative pain after discontinuation of the drug infusion, which may increase the risk of an ischemic event.
View Article and Find Full Text PDFMaple syrup urine disease (MSUD) is an inherited disorder of branched chain amino acid metabolism presenting with neonatal encephalopathy, episodic metabolic decompensation, and chronic amino acid imbalances. Dietary management enables survival and reduces risk of acute crises. Liver transplantation has emerged as an effective way to eliminate acute decompensation risk.
View Article and Find Full Text PDFAlzheimer's disease (AD) and mild cognitive impairment (MCI) are of great current research interest. While there is no consensus on whether MCIs actually "convert" to AD, this concept is widely applied. Thus, the more important question is not whether MCIs convert, but what is the best such definition.
View Article and Find Full Text PDFA comparison of methods to decrease RF power dissipation and related heating in conductive samples using passive conductors surrounding a sample in a solenoid coil is presented. Full-Maxwell finite difference time domain numerical calculations were performed to evaluate the effect of the passive conductors by calculating conservative and magnetically-induced electric field and magnetic field distributions. To validate the simulation method, experimental measurements of temperature increase were conducted using a solenoidal coil (diameter 3 mm), a saline sample (10 mM NaCl) and passive copper shielding wires (50 microm diameter).
View Article and Find Full Text PDFComput Methods Programs Biomed
August 2009
This paper describes a Software Tool for Automated MRI Post-processing (STAMP) of multiple types of brain MRIs on a workstation and for parallel processing on a supercomputer (STAMPS). This software tool enables the automation of nonlinear registration for a large image set and for multiple MR image types. The tool uses standard brain MRI post-processing tools (such as SPM, FSL, and HAMMER) for multiple MR image types in a pipeline fashion.
View Article and Find Full Text PDFBackground: Progression of prostate cancer to a fatal androgen-independent disease is associated with activation of MAP kinase, consistent with chronic stimulation of the Ras-signaling pathway. We have previously shown that Ras activation is sufficient to induce androgen-independent growth of prostate cancer cells. One mechanism of MAP kinase regulation is modulation of Ras signaling by other Ras family members, the Rap gene paralogs Rap1a/b and Rap2a/b.
View Article and Find Full Text PDFThe use of botanical mixtures is commonplace in patients with prostate cancer, yet the majority of these products have not been rigorously tested in clinical trials. Here we use PC-SPES, a combination of eight herbs that has been shown to be effective in clinical trials in patients with prostate cancer, as a model system to demonstrate 'proof of principle' as to how gene expression profiling coupled with promoter assays can evaluate the effect of herbal cocktails on human prostate cancer. In addition, we demonstrate how such approaches may be used for standardization of herbal extract activity by comparing the gene profile of PC-SPES with that of PC-CARE, a product with a similar herbal composition.
View Article and Find Full Text PDFAfter anaesthesia and thorax surgery, a significant reduction in pulmonary function with up to a 50% decrease in FEV1, FVC, and FRC is seen, leading to a high risk of atelectasis and hypoxia, and therefore making respiratory complications the major course of perioperative morbidity and mortality in this group of patients. This severe reduction in lung function gradually diminishes within three weeks, but postoperative pain and sedation increase the deterioration in lung function, and treatment is therefore based on anaesthetic drugs with a short elimination time and effective postoperative pain treatment with epidural analgesia or other regional blockade, and minimal use of opioids. Together with more sparing surgical methods, it is possible to operate on patients with severely reduced preoperative lung function (FEV1 = 0.
View Article and Find Full Text PDFJ Cardiothorac Vasc Anesth
August 2001
Objective: To determine the hemodynamic changes during beating heart revascularization of the left anterior descending artery, the circumflex artery, and the right coronary artery as well as cardiovascular beta-adrenoceptor function before and after off-pump coronary artery bypass surgery.
Design: Prospective study.
Setting: University department of cardiothoracic anesthesia.
ADAM 3 is a sperm surface glycoprotein that has been implicated in sperm-egg adhesion. Because little is known about the adhesive activity of ADAMs, we investigated the interaction of ADAM 3 disintegrin domains, made in bacteria and in insect cells, with murine eggs. Both recombinant proteins inhibited sperm-egg binding and fusion with potencies similar to that which we recently reported for the ADAM 2 disintegrin domain.
View Article and Find Full Text PDFLittle is yet known about the biological and biochemical properties of the disintegrin-like domains of ADAM (a disintegrin and metalloprotease) proteins. Mouse ADAM 2 (mADAM 2; fertilin beta) is a sperm surface protein involved in murine fertilization. We produced recombinant proteins containing the disintegrin-like domain of mADAM 2 in both insect cells and in bacteria.
View Article and Find Full Text PDFCD9 is a tetraspan protein that associates with several beta1 integrins, including alpha6beta1. Because alpha6beta1 is present on murine eggs and interacts with the sperm-surface glycoprotein ADAM 2 (fertilin beta), we first asked whether CD9 is present on murine eggs and whether it functions in sperm-egg binding and fusion. CD9 is present on the plasma membrane of oocytes in the ovary as well as on eggs isolated from the oviduct.
View Article and Find Full Text PDFObjective: To determine the repeatability of the hemodynamic response to repeated isoproterenol challenge doses to validate the standardized isoproterenol sensitivity test as an index of cardiovascular beta-receptor function.
Design: Prospective, single-blind, nonrandomized clinical trial.
Setting: University department of cardiothoracic anesthesia.
Once a sperm meets an egg, several events must occur in order for fertilization to proceed. Sperm must bind to the zona pellucida, undergo the acrosome reaction, penetrate the zona pellucida and then bind to and fuse with the egg plasma membrane. Shortly thereafter, the egg must be activated for zygotic development.
View Article and Find Full Text PDFJ Thorac Cardiovasc Surg
July 1996
Thirty-six patients undergoing elective thoracotomy with pulmonary resection with the use of combined epidural and general anesthesia were randomized into a double-blind study to receive a single intravenous preoperative dose of methylprednisolone 25 mg/kg body weight or a placebo (saline solution). Postoperative pain relief consisted of epidural morphine 4 mg and paracetamol 1 gm three times a day for 4 days. Postoperative pulmonary function (peak expiratory flow rate, forced expiratory volume in first second, forced vital capacity) was evaluated on days 1, 2, 3, 4, and 7 and after 1 month.
View Article and Find Full Text PDFTwenty-eight patients scheduled for lung resection with lateral thoracotomy and postoperative chest drains during combined thoracic epidural bupivacaine plus morphine and general anaesthesia were studied. Postoperative pain treatment was continuous epidural infusion of bupivacaine 0.25% 5 ml h-1 plus morphine 0.
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