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排序方式: 共有68条查询结果,搜索用时 15 毫秒
1.
Enhanced hemolysis in pediatric patients requiring extracorporeal membrane oxygenation and continuous renal replacement therapy 总被引:1,自引:0,他引:1
Christopher Betrus Robert Remenapp John Charpie Timothy Kudelka Patrick Brophy William E Smoyer Jen-Jar Lin 《Annals of thoracic and cardiovascular surgery》2007,13(6):378-383
PURPOSE: Hemolysis during extracorporeal membrane oxygenation (ECMO) may be associated with the development of hemoglobinuria (Hb) nephropathy and acute renal failure. For patients requiring ECMO, continuous renal replacement therapy (CRRT) can be simultaneously performed by attaching a hemofilter to the ECMO circuit, thereby shunting part of the ECMO blood flow through the hemofilter. However, the possibility that CRRT may further enhance hemolysis (and the risk of Hb nephropathy) in patients on ECMO has not been previously investigated. METHODS: Medical records of 42 children (1 day-12 years old) who required ECMO (ECMO group, n=25) or ECMO and CRRT (ECMO+CRRT group, n=17) after cardiac surgery were reviewed. RESULTS: Forty-one out of 42 patients had elevated plasma-free hemoglobin (FHb) on the first day of ECMO. For all subjects, peak change (mean+/-SD) in FHb (Peak%C-FHb, 83.6+/-183%) correlated with serum lactic dehydrogenase (150+/-324%, r=0.49, p<0.05) and marginally with ECMO blood flow rate (BFR) (Peak%C-BFR, 36.8+/-51.0%, r=0.29, p=0.06). Compared with the ECMO group, the ECMO+CRRT group had a higher Peak%C-FHb (160+/-259%, p<0.05) and Peak%C-BFR (62+/-64%, p<0.05). Also, there was a significant increase in FHb one day after the initiation of CRRT compared with the level prior to CRRT (73.3+/-49.2 vs. 50.0+/-30.3 mg/dL, respectively, p=0.012). Serum creatinine (but not blood urea nitrogen) was significantly higher in the ECMO+CRRT group compared with the ECMO group. The percent change in serum creatinine during ECMO did not correlate with Peak%C-FHb in the ECMO group. CONCLUSION: Our findings suggest that there is enhanced hemolysis during combined ECMO and CRRT compared with ECMO alone. However, the clinical impact of increased hemolysis on renal function in patients receiving ECMO with or without CRRT remains to be determined. 相似文献
2.
Physiological and Psychological Effects of Delivering Medical News Using a Simulated Physician–Patient Scenario 总被引:1,自引:0,他引:1
Cohen L Baile WF Henninger E Agarwal SK Kudelka AP Lenzi R Sterner J Marshall GD 《Journal of behavioral medicine》2003,26(5):459-471
We examined the acute stress response associated with having to deliver either bad or good medical news using a simulated physician–patient scenario. Twenty-five healthy medical students were randomly assigned to a bad medical news (BN), a good medical news (GN), or a control group that read magazines during the session. Self-report measures were obtained before and after the task. Blood pressure and heart rate were measured throughout the task period. Four blood samples were obtained across the task period. The BN and GN tasks produced significant increases in self-reported distress and cardiovascular responses compared with the control group. There was also a significant increase in natural killer cell function 10 min into the task in the BN group compared with the control group. The BN task was also somewhat more stressful than the GN task, as shown by the self-report and cardiovascular data. These findings suggest that a simulated physician–patient scenario produces an acute stress response in the physician, with the delivery of bad medical news more stressful than the delivery of good medical news. 相似文献
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4.
Javier A. Romero M.D. E. Edmund Kim M.D. Andrzej P. Kudelka M.D. Creighton L. Edwards M.D. John J. Kavanagh M.D. 《Gynecologic oncology》1994,54(3)
A case of recurrent cystic pelvic mesothelioma in a woman who developed pelvic fullness, frequent urination, and pressure sensation in the lower abdomen with interesting magnetic resonance imaging findings is presented. The differential diagnosis of cystic pelvic masses is briefly discussed. 相似文献
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6.
Schuerer DJ Brophy PD Maxvold NJ Kudelka T Bunchman TE 《Journal of toxicology. Clinical toxicology》2000,38(3):321-323
BACKGROUND: Carbamazepine intoxication is associated with seizures, coma, arrhythmias, and death. In acute intoxications, charcoal hemoperfusion enhances removal of the drug but is associated with thrombocytopenia, coagulopathy, hypothermia, and hypocalcemia. Alternatively, high-efficiency hemodialysis can be used without the side effects of charcoal hemoperfusion. CASE REPORT: We report an 18-month-old comatose, convulsing child with plasma carbamazepine 27 microg/mL treated with high efficiency hemodialysis. Therapeutic carbamazepine levels were obtained after 4.5 hours of high-efficiency hemodialysis. The patient developed no untoward side effects, improved clinically, and was subsequently discharged home without sequelae. We conclude that high-efficiency hemodialysis is a safe, effective alternative to charcoal hemoperfusion in the pediatric population. 相似文献
7.
Moon C Verschraegen CF Bevers M Freedman R Kudelka AP Kavanagh JJ 《Anti-cancer drugs》2000,11(7):565-568
Anaphylaxis or significant hypersensitivity reaction is one of the most catastrophic potential complications of chemotherapy. There is a 2-5% risk of hypersensitivity with paclitaxel, a commonly used chemotherapeutic agent for various cancers. Three patients, who developed hypersensitivity to paclitaxel infusion, received docetaxel without allergic reactions. Docetaxel may therefore be an alternative treatment for patients with paclitaxel hypersensitivity. 相似文献
8.
Estrogen replacement therapy and ovarian cancer 总被引:1,自引:0,他引:1
Sittisomwong T Suneja A Kudelka AP Verschraegen CF Kavanagh JJ 《European journal of gynaecological oncology》2000,21(4):348-354
Estrogen replacement therapy (ERT) has been shown to be of benefit for menopausal women, especially in prevention of coronary heart disease and osteoporotic fractures. Cancer fear is an important obstacle to use of ERT. From our literature review, there is a weak or no association between ERT and ovarian cancer risk. Individual risk of cancer should be considered before ERT use. The second issue in this review is ERT in patients with ovarian cancer. The majority of patients with ovarian cancer are postmenopausal or become menopausal after surgery. ERT is considered by many physicians to be contraindicated in patients with cancer. However, there is evidence that ERT in selected cancer patients may be of benefit for survival and quality of life. After weighing the evidence from studies on ERT in patients with ovarian, breast or endometrial cancer, we propose the use of ERT in selected ovarian cancer patients who are suffering from or are at a high risk of debilitating menopausal symptoms, osteoporosis, and coronary heart disease. The benefit of ERT to selected patient's health and quality of life appears to outweigh the risk of cancer recurrence. 相似文献
9.
Prostaglandin and thromboxane formation in glomeruli from rats with reduced renal mass 总被引:3,自引:0,他引:3
In vitro formation of prostaglandins (PG) E2, F2 alpha, 6-keto-F1 alpha, and thromboxane B2 (TxB2) by glomeruli from rats with reduced renal mass (RRM) were evaluated by radioimmunoassay. Four weeks following ablation of renal mass, PGE2, PGF2 alpha, and TxB2 production by glomeruli from RRM rats was significantly greater, when compared with glomerular PG and TxB2 production of sham-operated control (C) rats. The effect of cyclooxygenase inhibition with indomethacin and the selective inhibition of thromboxane formation with UK 38485 on glomerular filtration rate (GFR) was investigated in experiments in vivo. In RRM rats indomethacin reduced GFR from 212 +/- 17 to 138 +/- 14 microliter/100 g/body weight (p less than 0.05) without effect on C rats. Thromboxane synthesis inhibition with UK 38485, however, increased GFR significantly in RRM rats (221 +/- 26 to 303 +/- 21; p less than 0.05). The data suggest that vasodilatory PGs and TxB2 modulate GFR in rats with ablation of renal mass. 相似文献
10.
D. Tresukosol A.P. Kudelka C.L. Edwards C. Charnsangavej N. Narboni & J.J. Kavanagh 《International journal of gynecological cancer》1995,5(2):156-159
A case is described of a granulosa cell tumor (GCT) of the ovary that recurred 2 years after cessation of platin-based chemotherapy. In view of the extent and volume of the disease at recurrence, and because of the reported poor response rates to second-line chemotherapy, Taxol was given. There was a dramatic response and tumor shrinkage to single-agent therapy with Taxol. 相似文献