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Träfflista för sökning "WFRF:(Blomquist Carl) srt2:(2005-2009)"

Sökning: WFRF:(Blomquist Carl) > (2005-2009)

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1.
  • Al-Rashidi, Faleh, et al. (författare)
  • A new de-airing technique that reduces systemic microemboli during open surgery: a prospective controlled study.
  • 2009
  • Ingår i: The Journal of thoracic and cardiovascular surgery. - Mosby. - 1097-685X. ; 138:1, s. 157-162
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: We have evaluated a new technique of cardiac de-airing that is aimed at a) minimizing air from entering into the pulmonary veins by opening both pleurae and allowing lungs to collapse and b) flushing out residual air from the lungs by staged cardiac filling and lung ventilation. These air emboli are usually trapped in the pulmonary veins and may lead to ventricular dysfunction, life-threatening arrhythmias, and transient or permanent neurologic deficits. METHODS: Twenty patients undergoing elective true left open surgery were prospectively and alternately enrolled in the study to the conventional de-airing technique (pleural cavities unopened, dead space ventilation during cardiopulmonary bypass [control group]) and the new de-airing technique (pleural cavities open, ventilator disconnected during cardiopulmonary bypass, staged perfusion, and ventilation of lungs during de-airing [study group]). Transesophageal echocardiography and transcranial Doppler continually monitored the air emboli during the de-airing period and for 10 minutes after termination of the cardiopulmonary bypass. RESULTS: The amount of air embolism as observed on echocardiography and the number of microembolic signals as recorded by transcranial Doppler were significantly less in the study group during the de-airing time (P < .001) and the first 10 minutes after termination of cardiopulmonary bypass (P < .001). Further, the de-airing time was significantly shorter in the study group (10 vs 17 minutes, P < .001). CONCLUSION: The de-airing technique evaluated in this study is simple, reproducible, controlled, safe, and effective. Moreover, it is cost-effective because the de-airing time is short and no extra expenses are involved.
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2.
  • Nord, Helena, et al. (författare)
  • Characterization of novel and complex genomic aberrations in glioblastoma using a 32K BAC array
  • 2009
  • Ingår i: Neuro-Oncology. - 1522-8517 .- 1523-5866. ; 11:6, s. 803-818
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Glioblastomas (GBs) are malignant CNS tumors often associated with devastating symptoms. Patients with GB have a very poor prognosis, and despite treatment, most of them die within 12 months from diagnosis. Several pathways, such as the RAS, tumor protein 53 (TP53), and phosphoinositide kinase 3 (PIK3) pathways, as well as the cell cycle control pathway, have been identified to be disrupted in this tumor. However, emerging data suggest that these aberrations represent only a fraction of the genetic changes involved in gliomagenesis. In this study, we have applied a 32K clone-based genomic array, covering 99% of the current assembly of the human genome, to the detailed genetic profiling of a set of 78 GBs. Complex patterns of aberrations, including high and narrow copy number amplicons, as well as a number of homozygously deleted loci, were identified. Amplicons that varied both in number (three on average) and in size (1.4 Mb on average) were frequently detected (81% of the samples). The loci encompassed not only previously reported oncogenes (EGFR, PDGFRA, MDM2, and CDK4) but also numerous novel oncogenes as GRB10, MKLN1, PPARGC1A, HGF, NAV3, CNTN1, SYT1, and ADAMTSL3. BNC2, PTPLAD2, and PTPRE, on the other hand, represent novel candidate tumor suppressor genes encompassed within homozygously deleted loci. Many of these genes are already linked to several forms of cancer; others represent new candidate genes that may serve as prognostic markers or even as therapeutic targets in the future. The large individual variation observed between the samples demonstrates the underlying complexity of the disease and strengthens the demand for an individualized therapy based on the genetic profile of the patient.</p>
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3.
  • Rosendahl, Mikkel, et al. (författare)
  • The risk of amenorrhoea after adjuvant chemotherapy for early stage breast cancer is related to inter-individual variations in chemotherapy-induced leukocyte nadir in young patients : Data from the randomised SBG 2000-1 study
  • 2009
  • Ingår i: European Journal of Cancer. - 0959-8049 .- 1879-0852. ; 45:18, s. 3198-3204
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Study aim: Amenorrhoea is a common side-effect to chemotherapy of premenopausal women. We examine the association between chemotherapy-induced leucopaenia and the development of amenorrhoea in premenopausal women with breast cancer. Materials and methods: in a multi-centre, randomised, controlled study, 1016 premenopausal women received seven series of FEC (F: fluorouracil, E: epirubicin and C: Cyclophosphamide) for early stage breast cancer. In the first series, all patients received standard dose (F: 600 mg/m(2), E: 60 mg/m(2) and C: 600 mg/m(2)). Patients with leukocyte nadir 1.0-1.9 x 10(9)/l continued with standard dose for the remaining six series (STANDARD(REGISTERED), n = 279). Patients with leukocyte nadir &gt;= 2 x 10(9)/l were randomised to standard (STANDARD(RANDOMISED), n = 373) or increased (TAILORED, n = 364) dose of E and C. After each series, leukocyte nadir was evaluated. Absent bleeding after the 5th-7th series of FEC was interpreted as amenorrhoea. Results: The risk of amenorrhoea increased with age. In age-stratified analysis of the STANDARD groups (equal dose, different initial leukocyte nadir) low leukocyte nadir was associated with amenorrhoea for patients in the age-group 25-39 years (P = 0.010). In age-stratified analysis in the randomised groups (different doses, same initial leukocyte nadir) a dose related increased risk of amenorrhoea was found for age-groups 25-39 (RR: 1.15, 95% confidence interval (CI): 1.06-1.24) and 40 44 years (RR:1.21, 95% CI: 1.001-1.47). Conclusion: Age is the most important risk factor of amenorrhoea after FEC chemotherapy. However, for younger patients, lower leukocyte nadir in response to STANDARD FEC treatment or increased doses of C and E were associated with increased risk of amenorrhoea. (C) 2009 Elsevier Ltd. All rights reserved.</p>
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