13 results on '"Lefebvre, François"'
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2. Effects of a short-term interval aerobic training program with recovery bouts on vascular function in sedentary aged 70 or over: A randomized controlled trial
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Bouaziz, Walid, Lang, Pierre-Olivier, Schmitt, Elise, Leprêtre, Pierre-Marie, Lefebvre, François, Momas, Cedric, Kaltenbach, Georges, Geny, Bernard, and Vogel, Thomas
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- 2019
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3. How do general dental practitioners perceive and deal with orthodontic bonded retainers?
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Rafflenbeul, Frédéric, Hanriat, Clémence, Lefebvre, François, Renkema, Anne-Marie, and Bolender, Yves
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Introduction: Long-term follow-up and management of orthodontic bonded retainers require a strong collaboration between orthodontists and general dental practitioners (GDPs). This study aimed to evaluate if Eastern French GDPs were aware of bonded retainers' complications and side effects and if they were willing to take part in their long-term follow-up.Methods: Two-hundred and eighteen randomly selected GDPs were invited to answer an online questionnaire. The initial sections covered their experience and management with bonded retainers. In the final sections, GDPs were asked their opinion on the responsibility for long-term follow-up of patients wearing fixed retainers and on the mutual communication between orthodontists and GDPs. Statistical analysis involved descriptive statistics and Fisher exact tests.Results: Response rate was 32.6% (n = 71). The vast majority of GDPs were familiar with loose retainers, but only 45.2% were willing to repair them. Respondents offering orthodontic services on a regular basis were more likely to insert retainers and repair loose or broken retainers (P < 0.001). Approximately 18.6% of GDPs were aware of third-order side effects encountered with unintentionally active retainers bonded to all 6 anterior teeth. For 88.8% of GDPs, permanent retention was justified, whereas 90% of the dentists refused to be responsible for long-term supervision of fixed retainers. In addition, 67.1% were interested in further training on orthodontic retention, and 92.9% would appreciate clinical guidelines.Conclusions: Knowledge about the harmful side effects of bonded retainers was evaluated as insufficient among surveyed GDPs. Long-term follow-up of patients wearing bonded retainers raises issues that should be addressed globally by enhancing mutual communication, practitioners' education, and patients' involvement. [ABSTRACT FROM AUTHOR]- Published
- 2021
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4. PS-212-Liver transplantation in patients with grade 3 acute-on-chronic liver failure: Pre-transplant risk factors of post-transplant mortality
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Artzner, Thierry, Michard, Baptiste, Weiss, Emmanuel, Barbier, Louise, Noorah, Zaid, Merle, Jean-Claude, Pirani, Tasneem, Paugam-Burtz, Catherine, Francoz, Claire, durand, francois, Theocharidou, Eleni, O’Grady, John, Bernal, William, HEATON, Nigel, Salamé, Ephrem, Bucur, Petru, Barrault, Helene, Lefebvre, François, Serfaty, Lawrence, Besch, Camille, Schneider, Francis, Levesque, Eric, and Faitot, François
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- 2019
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5. Pre- and post-surgery MRSI predictive value in adult oligodendroglioma prognosis.
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Bund, Caroline, Lefebvre, François, Schott, Roland, Chenard, Marie-Pierre, Lhermitte, Benoît, Cebula, Hélène, Kremer, Stéphane, Proust, François, and Namer, Izzie-Jacques
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OLIGODENDROGLIOMAS , *NUCLEAR magnetic resonance spectroscopy , *GLIOMAS , *TUMOR grading , *KAPLAN-Meier estimator , *PROGNOSIS - Abstract
Purpose The aim of this study was to study the relationship between MRSI, before and after surgery, and patient survival. The accuracy of pre-operative MRSI in differentiating low- from high-grade oligodendrogliomas (ODGs) was also studied. Methods Two hundred patients with ODG were retrospectively included in this study between 2000 and 2016. All patients underwent MRSI before any treatment or biopsy and/or after surgery for an intra-axial brain tumour. The R software was used for statistical data analysis. p < 0.05 was considered statistically significant. Kaplan-Meier curves were calculated for patients with low-grade ODG and high-grade ODG pre- and post-operatively, to study survival (overall survival, OS). The best threshold of each MRSI metabolite ratio was obtained using receiver operating characteristic curves (ROCs). Results One hundred patients underwent pre-operative MRSI and 170 post-operative MRSI. N -acetylaspartate (NAA), lactate (Lac), choline (Cho) and creatine (Cr) were measured. Kapan-Meier curves showed that survival was poorer for a nCho/Cr > 3.02 in the pre-operative and nCho/Cr > 2.04, Lac/Cr > 0.743 and nCho/NAA > 3.63 in the post-operative period. Post-operative MRSI predicts survival better than pre-operative MRSI. nCho/Cr and Lac/Cr distinguished low- from high-grade ODG with a good positive predictive value. Conclusion MRSI is associated with survival. It is a non-invasive tool which completes histopathology and can predict patients' prognosis, thus improving patient management. [ABSTRACT FROM AUTHOR]
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- 2018
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6. Incidence of breast implant rupture in a 12-year retrospective cohort: Evidence of quality discrepancy depending on the range.
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Seigle-Murandi, Frédéric, Lefebvre, François, Bruant-Rodier, Catherine, and Bodin, Frédéric
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Summary Background & objective The majority of studies assessing the rupture rate of breast implants were performed by the breast implant manufacturing industry with questionable independence. After repetitive removals of ruptured implants from the same model, our team decided to assess the rupture rate and the estimated risk thereof for most of the silicone gel–filled implants we have used since they regained market approval in France in 2001. Methods Our study is a retrospective cohort of 809 patients operated in our University Hospital from 2001 to 2013 for cosmetic or reconstructive goals. We could track 1561 implants, 90% of them from the same manufacturer, Allergan (Irvine, CA, USA). For each of those, we gathered their exact reference, date of implantation, surgical approach, status, last follow-up visit or the eventual date, and cause of removal. Results Of 225 explanted devices, only 27 were ruptured, all from the Allergan brand. Risks of removal for rupture were estimated: 0.5% at 1000 days, 6% at 2000 days, and 14% at 3000 days. Risks were significantly different between the models from this same manufacturer. One of the range of macro-textured round implants showed risks of removal for rupture of 33% at 3000 days compared to 6% for the anatomically shaped range. Conclusions These results suggest a qualitative discrepancy among the different ranges of breast implants of a single manufacturer within the same timeframe of implantation. To determine the in vivo lifespan of the implants that we use more precisely and sooner, we suggest that each removed implant should be analyzed for wear and tear, independently from the industry. [ABSTRACT FROM AUTHOR]
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- 2017
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7. Twenty years' experience for reduction of ileocolic intussusceptions by saline enema under sonography control.
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Flaum, Valérie, Schneider, Anne, Gomes Ferreira, Cindy, Philippe, Paul, Sebastia Sancho, Consuelo, Lacreuse, Isabelle, Moog, Raphael, Kauffmann, Isabelle, Koob, Meriam, Christmann, Dominique, Douzal, Valérie, Lefebvre, François, and Becmeur, François
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Background Ultrasonography is a well-established efficient diagnostic tool for ileocolic intussusceptions in children. It can also be used to control hydrostatic reduction by saline enemas. This reduction method presents the advantage of avoiding radiations. Parents can even stay with their children during the procedure, which is comforting for both. The purpose of this study was to present our 20 years' experience in intussusception reductions using saline enema under ultrasound control and to assess its efficiency and safety. Material and methods This retrospective single center study included patients with ileocolic intussusceptions diagnosed by ultrasound between June 1993 and July 2013. We excluded the data of patients with spontaneous reduction or who underwent primary surgery because of contraindications to hydrostatic reduction (peritonitis, medium or huge abdominal effusion, ischemia on Doppler, bowel perforation). A saline enema was infused into the colon until the reduction was sonographically confirmed. The procedure was repeated if not efficient. Light sedation was practiced in some children. Results Eighty-tree percent of the reductions were successful with a median of 1 attempt. Reduction success decreased with the number of attempts but was still by 16% after 4 attempts. The early recurrence rates were 14.5%, and 61.2% of those had a successful second complete reduction. Forty-six patients needed surgery (11 of them had a secondary intussusception). Sedation multiplies success by 10. In this period, only one complication is described. Conclusion Ultrasound guided intussusception reduction by saline enema is an efficient and safe procedure. It prevents exposure of a young child to a significant amount of radiation, with similar success rate. We had very low complication rate (1/270 cases or 3‰). The success rate could be increased by standardized procedures including: systematic sedation, trained radiologists, accurate pressure measurement, and number and duration of attempts. [ABSTRACT FROM AUTHOR]
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- 2016
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8. Mass drives mating success in Armadillidium vulgare (Crustacea, Oniscidea).
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Lefebvre, François, Richard, Freddie-Jeanne, Moreau, Jérôme, Rigaud, Thierry, and Caubet, Yves
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CRUSTACEA , *SPERMATHECA , *SPERMATOPHORES , *SEXUAL dimorphism , *BREEDING , *ISOPODA , *SPAWNING - Abstract
• Size assortative pairing in terrestrial isopods. • Precopulatory stimulation duration threshold conducts to female's mating acceptance. • Highest mating probabilities when females are smaller than their partners. In the terrestrial crustacean Armadillidium vulgare , a large size range exists in natural populations within which males and females could potentially mate. Because of continuous growth far beyond sexual maturity, the largest individuals can be nearly ten times the live mass of the smallest sexually mature individuals. In this study, we explored the influence of male and female body mass on the mating behaviour and success. Starting with a representative panel of males and females in which females are significantly larger than males in average, we followed the sexual behaviour of 23 groups of 20 mixed-sex virgin animals under conditions comparable with natural field situation during the early breeding season. We found a correlation between paired individuals showing an assortative pairing. During pairing male stimulates female and duration of stimulation is determinant for pairing follow-up: efficient stimulation is correlated with female size and not with male size. In consequence, pairs in mating show a reversed size dimorphism between male and female where female are about 20% smaller. Largest females were not mated. During copulation behaviour, the quantity of sperm transferred is positively correlated with copulation duration. Stored sperm can be used for immediate breeding by the female and stored in the spermatheca for future breeding. The last option allows to largest females in the field to continue breeding without additional mating, avoiding the lack of availability of large males able to stimulate them efficiently. [ABSTRACT FROM AUTHOR]
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- 2019
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9. Early glucose abnormalities revealed by continuous glucose monitoring associate with lung function decline in cystic fibrosis: A five-year prospective study.
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Rakotoarisoa, Luc, Weiss, Laurence, Lefebvre, François, Porzio, Michele, Renaud-Picard, Benjamin, Ravoninjatovo, Bruno, Abely, Michel, Danner-Boucher, Isabelle, Dubois, Séverine, Troussier, Françoise, Prevotat, Anne, Rault, Gilles, Kessler, Romain, and Kessler, Laurence
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Cystic fibrosis related diabetes (CFRD) is commonly associated with declining lung function and nutritional status. We aimed to evaluate the pulmonary impact of early glucose abnormalities by using 2-h standard oral glucose tolerance testing (OGTT) and continuous glucose monitoring (CGM) in people with cystic fibrosis (PwCF). PwCF aged ≥10 years old without known CFRD were included in a five-year prospective multicentre study. Annual evaluation of nutritional status, lung function, OGTT and CGM was set up. Associations between annual rate changes (Δ) in lung function, ΔFEV1 (forced expiratory volume in 1 s) percentage predicted (pp) and ΔFVC (forced vital capacity) pp., and annual rate changes in OGTT or CGM variables were estimated with a mixed model with a random effect for subject. From 2009 to 2016, 112 PwCF (age: 21 ± 11 years, BMI (body mass index) z-score: −0.55 ± 1.09, FEV1pp: 77 ± 24 %, 2-h OGTT glucose: 122 ± 44 mg/dL, AUC (area under curve) >140 mg/dL: 1 mg/dL/day (0.2, 3.0) were included. A total of 428 OGTTs and 480 CGMs were collected. The participants presented annual decline of FVCpp and FEV1pp at −1.0 % per year (−1.6, −0.4), p < 0.001 and − 1.9 % per year (−2.5, −1.3), p < 0.001 respectively without change in BMI z-score during the study. Variation of two-hour OGTT glucose was not associated with declining lung function, as measured by ΔFEV1pp (p = 0.94) and ΔFVCpp (p = 0.90). Among CGM variables, only increase in AUC >140 mg/dL between two annual visits was associated with a decrease in ΔFVCpp (p < 0.05) and ΔFEV1pp (p < 0.05). This prospective study supports the fact that early glucose abnormalities revealed by CGM predict pulmonary function decline in PwCF, while 2-h standard OGTT glucose is not associated with pulmonary impairment. • Five years prospective study of glucose tolerance in 112 people with CF without diabetes. • Impact of early glucose tolerance abnormalities at OGTT and CGM on lung function. • Repeated measures with CGM over time could help to predict lung function decline [ABSTRACT FROM AUTHOR]
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- 2024
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10. Validation of the translated Quality of Recovery-15 questionnaire in a French-speaking population.
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Demumieux, François, Ludes, Pierre-Olivier, Diemunsch, Pierre, Bennett-Guerrero, Elliott, Lujic, Marko, Lefebvre, François, and Noll, Eric
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CRONBACH'S alpha , *CLASSICAL test theory , *MEASURING instruments , *PERCEIVED Stress Scale , *LENGTH of stay in hospitals , *ANESTHESIA , *HEALTH status indicators , *PSYCHOMETRICS , *QUALITY of life , *TRANSLATIONS ,RESEARCH evaluation - Abstract
Background: Quality of recovery is an important component of perioperative health status. The 15-item Quality of Recovery (QoR-15) scale is a validated multidimensional questionnaire that measures postoperative quality of recovery. The aim of this study was to translate and assess the psychometric properties of a French version of the QoR-15 scale (QoR-15F) to measure postoperative recovery in French-speaking patients.Methods: After translation into French of the original English version of the QoR-15 scale, psychometric validation of the QoR-15F scale to measure postoperative quality of recovery was performed. This psychometric validation included validity, reliability, responsiveness, and feasibility. The QoR-15F scale was administered before operation and on Postoperative day 1 in French-speaking patients. Patient-perceived global recovery assessment was measured at Postoperative day 1 using a VAS.Results: We enrolled 150 patients, and 144 completed the study protocol. The completion rate of administered questionnaires was 100%. Pearson (r) correlation between postoperative QoR-15F and the global recovery assessment by the patient was 0.60 (P<0.0001). As expected, there was a significant negative correlation between QoR-15F score and duration of surgery (r=-0.29; P<0.01), duration of PACU stay (r=-0.21; P=0.01), and duration of hospital stay (r=-0.34; P<0.01). Cronbach's alpha was 0.81, split-half alpha was 0.83, and the global test-retest intra-class coefficient was 0.98 (0.95-0.99).Conclusions: The QoR-15F is a valid and reliable tool to measure postoperative quality of recovery in French-speaking patients. The psychometric properties to measure postoperative quality of recovery were similar to the seminal English version.Clinical Trial Registration: NCT03578068. [ABSTRACT FROM AUTHOR]- Published
- 2020
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11. Organized Management of Diabetes Mellitus in Lung Transplantation: Study of Glycemic Control and Patient Survival in a Single Center.
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Riou, Marianne, Renaud-Picard, Benjamin, Munch, Marion, Lefebvre, François, Baltzinger, Philippe, Porzio, Michele, Hirschi, Sandrine, Dégot, Tristan, Schuller, Armelle, Santelmo, Nicola, Reeb, Jeremie, Olland, Anne, Falcoz, Pierre-Emmanuel, Massard, Gilbert, Kessler, Laurence, and Kessler, Romain
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GLYCEMIC control , *LUNG transplantation , *DIABETES , *GLYCOSYLATED hemoglobin , *BLOOD sugar - Abstract
To study patient survival and glycemic control before and after lung transplantation (LTx) according to the diabetes status in patients submitted to an organized management of diabetes mellitus (DM) at the Strasbourg University Hospital, France. Two hundred and sixty-seven LTx recipients were included retrospectively and analyzed according to diabetes status: pretransplant diabetes, new-onset diabetes mellitus after transplant (NODAT) or no diabetes. Organized DM management was coordinated by a diabetologist trained in DM management before and after transplantation and included pretransplant screening, a close monitoring of glycemia after transplant and optimized treatment before and after LTx. DM was well-controlled after transplantation: mean glycosylated hemoglobin and fasting blood glucose levels after LTx were 5.8 ± 0.2% and 5.4 ± 0.1 mmol/L respectively, in pretransplant DM patients and 5.7 ± 0.1% and 5.6 ± 0.2 mmol/L respectively, in NODAT patients. The overall median survival time was 8.3 ± 1.9 years. Pretransplant DM increased the risk of mortality (1.82-fold increase; 95% confidence interval, 1.08-3.06; P =.02) in LTx recipients. Organized management of diabetes achieved very satisfactory glycemic control in both pretransplant DM and NODAT patients. However, no specific protocols have been created for managing DM following LTx. As DM continues to become an increasing comorbidity in LTx, there exist a significant need of studies in this area. • This study is the first to describe diabetes management in lung transplant recipients before and after transplantation. There is a very rigorous DM management in Strasbourg lung transplant program with a diabetologist trained in DM management before and after lung transplantation, who was integrated in the transplant team. • In our study, well-controlled pre- and post-transplant diabetic patients were given lower glycosylated hemoglobin and fasting blood glucose levels than the diabetic population. • Our data showed that pre-transplant diabetes was an independent predictor of mortality, whereas new-onset diabetes after transplantation was not. [ABSTRACT FROM AUTHOR]
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- 2019
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12. Hypofractionated Stereotactic Radiation Therapy to the Resection Bed for Intracranial Metastases.
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Keller, Audrey, Doré, Mélanie, Cebula, Hélène, Thillays, François, Proust, François, Darié, Ioana, Martin, Stéphane-André, Delpon, Gregory, Lefebvre, François, Noël, Georges, and Antoni, Delphine
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STEREOTACTIC radiotherapy , *BRAIN metastasis , *PROGNOSTIC tests , *RADIOTHERAPY , *MENINGEAL cancer , *COMPUTED tomography , *THERAPEUTICS - Abstract
Purpose: To retrospectively report the outcomes of a large multicenter cohort of patients treated with surgery and hypofractionated stereotactic radiation therapy (HFSRT) to the resection cavities of brain metastases (BMs).Methods and Materials: Between March 2008 and February 2015, 181 patients with no prior whole-brain radiation therapy (WBRT) were treated by HFSRT to the surgical bed of BM at the dose of 33 Gy (3 × 11 Gy). The primary endpoint was local control. Secondary endpoints were distant brain control, overall survival (OS), risk of radionecrosis, and leptomeningeal disease (LMD).Results: Of the 189 resected lesions, 44% were metastatic from a non-small cell lung cancer primary tumor, and 76% of patients had a single BM at the time of treatment. With a median follow-up of 15 months, the 6- and 12-month local control rates were 93% and 88%, respectively. On multivariate analysis, planning target volume (P=.005), graded prognostic assessment score (P=.021), and meningeal contact of BM (P=.032) were predictive of local failure. The 6- and 12-month distant brain control rates were 70% and 61%, respectively. Twenty-six patients (14%) developed signs of LMD at a median time of 3.8 months. The preoperative tumor volume was predictive of LMD (P=.029). The median OS was 17 months. The 6-, 12-, and 24-month OS rates were 79%, 62%, and 39%, respectively. Recursive partitioning analysis class 3 (P=.02), piecemeal resection (P=.017), and an increasing number of BMs (P<.01) were independent unfavorable prognostic factors for OS. Fifty-four patients (30%) were subsequently treated with salvage WBRT at a median time of 6.5 months, and 41% were reirradiated with SRT. Radionecrosis occurred in 19% of cases at a median time of 15 months and was associated with the infratentorial location of the BM (P=.0025).Conclusions: This study demonstrated the safety and efficacy of a 3 × 11 Gy HFSRT regimen for the irradiation of BMs resection cavities. It was an alternative to adjuvant WBRT. [ABSTRACT FROM AUTHOR]- Published
- 2017
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13. Institutional, Retrospective Analysis of 777 Patients With Brain Metastases: Treatment Outcomes and Diagnosis-Specific Prognostic Factors.
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Antoni, Delphine, Clavier, Jean-Baptiste, Pop, Marius, Schumacher, Catherine, Lefebvre, François, and Noël, Georges
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BRAIN cancer diagnosis , *TREATMENT of brain cancer , *CANCER radiotherapy , *RECURSIVE partitioning , *RETROSPECTIVE studies , *GASTROINTESTINAL tumors - Abstract
Purpose: To retrospectively evaluate the prognostic factors and survival of a series of 777 patients with brain metastases (BM) from a single institution. Methods and Materials: Patients were treated with surgery followed by whole-brain radiation therapy (WBRT) or with WBRT alone in 16.3% and 83.7% of the cases, respectively. The patients were RPA (recursive partitioning analysis) class I, II, and III in 11.2%, 69.6%, and 18.4% of the cases, respectively; RPA class II-a, II-b, and II-c in 8.3%, 24.8%, and 66.9% of the cases, respectively; and with GPA (graded prognostic assessment) scores of 0-1.0, 1.5-2.0, 2.5-3.0, and 3.5-4.0 in 35%, 27.5%, 18.2%, and 8.6% of the cases, respectively. Results: The median overall survival (OS) times according to RPA class I, II, and III were 20.1, 5.1, and 1.3 months, respectively (P<.0001); according to RPA class II-a, II-b, II-c: 9.1, 8.9, and 4.0 months, respectively (P<.0001); and according to GPA score 0-1.0, 1.5-2.0, 2.5-3.0, and 3.5-4.0: 2.5, 4.4, 9.0, and 19.1 months, respectively (P<.0001). By multivariate analysis, the favorable independent prognostic factors for survival were as follows: for gastrointestinal tumor, a high Karnofsky performance status (KPS) (P=.0003) and an absence of extracranial metastases (ECM) (P=.003); for kidney cancer, few BM (P=.002); for melanoma, few BM (P=.01), an absence of ECM (P=.002), and few ECM (P=.0002); for lung cancer, age (P=.007), a high KPS (P<.0001), an absence of ECM (P<.0001), few ECM and BM (P<.0001 and P=.0006, respectively), and control of the primary tumor (P=.004); and for breast cancer, age (P=.001), a high KPS (P=.007), control of the primary tumor (P=.05), and few ECM and BM (P=.01 and P=.0002, respectively). The triple-negative subtype was a significant unfavorable factor (P=.007). Conclusion: Prognostic factors varied by pathology. Our analysis confirms the strength of prognostic factors used to determine the GPA score, including the genetic subtype for breast cancer. [Copyright &y& Elsevier]
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- 2013
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