PATRICIA TASCHNER GOLDENSTEIN
Projetos de Pesquisa
Unidades Organizacionais
LIM/16 - Laboratório de Fisiopatologia Renal, Hospital das Clínicas, Faculdade de Medicina
3 resultados
Resultados de Busca
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- Phosphorus Is Associated with Coronary Artery Disease in Patients with Preserved Renal Function(2012) CANCELA, Ana Ludimila; SANTOS, Raul Dias; TITAN, Silvia Maria; GOLDENSTEIN, Patricia Taschner; ROCHITTE, Carlos Eduardo; LEMOS, Pedro Alves; REIS, Luciene Machado dos; GRACIOLLI, Fabiana Giorgetti; JORGETTI, Vanda; MOYSES, Rosa MariaHigh serum phosphorus levels have been associated with mortality and cardiovascular events in patients with chronic kidney disease and in the general population. In addition, high phosphorus levels have been shown to induce vascular calcification and endothelial dysfunction in vitro. The aim of this study was to evaluate the relation of phosphorus and coronary calcification and atherosclerosis in the setting of normal renal function. This was a cross-sectional study involving 290 patients with suspected coronary artery disease and undergoing elective coronary angiography, with a creatinine clearance >60 ml/min/1.73 m(2). Coronary artery obstruction was assessed by the Friesinger score and coronary artery calcification by multislice computed tomography. Serum phosphorus was higher in patients with an Agatston score >10 than in those with an Agatston score <= 10 (3.63 +/- 0.55 versus 3.49 +/- 0.52 mg/dl; p = 0.02). In the patients with Friesinger scores >4, serum phosphorus was higher (3.6 +/- 0.5 versus 3.5 +/- 0.6 mg/dl, p = 0.04) and median intact fibroblast growth factor 23 was lower (40.3 pg/ml versus 45.7 pg/ml, p = 0.01). Each 0.1-mg/dl higher serum phosphate was associated with a 7.4% higher odds of having a Friesinger score >4 (p = 0.03) and a 6.1% greater risk of having an Agatston score >10 (p = 0.01). Fibroblast growth factor 23 was a negative predictor of Friesinger score ( p = 0.002). In conclusion, phosphorus is positively associated with coronary artery calcification and obstruction in patients with suspected coronary artery disease and preserved renal function.
- A prospective study of the influence of the skeleton on calcium mass transfer during hemodialysis(2018) GOLDENSTEIN, Patricia Taschner; GRACIOLLI, Fabiana Giorgeti; ANTUNES, Gisele Lins; DOMINGUEZ, Wagner Vasques; REIS, Luciene Machado dos; MOE, Sharon; ELIAS, Rosilene Motta; JORGETTI, Vanda; MOYSES, Rosa Maria AffonsoBackground Calcium gradient, the difference between serum calcium and dialysate calcium d[Ca], is the main contributor factor influencing calcium transfer during hemodialysis. The impact, however, of bone turnover, on calcium mass transfer during hemodialysis is still uncertain. Methods This prospective cross-sectional study included 10 patients on hemodialysis for a 57.6 +/- 16.8 months, with severe hyperparathyroidism. Patients were submitted to 3 hemodialysis sessions using d[Ca] of 1.25, 1.5 and 1.75 mmol/l in three situations: pre-parathyroidectomy (pre-PTX), during hungry bone (early post-PTX), and after stabilization of clinical status (late post-PTX). Biochemical analysis and calcium mass transfer were evaluated and serum bone-related proteins were quantified. Results Calcium mass transfer varied widely among patients in each study phase with a median of -89.5, -76.8 and -3 mmol using d[Ca] 1.25 mmol/L, -106, -26.8 and 29.7 mmol using d[Ca] 1.50 mmol/L, and 12.8, -14.5 and 38 mmol using d[Ca] 1.75 mmol/L during pre-PTX, early post-PTX and late post-PTX, respectively, which was significantly different among d[Ca] (p = 0.0001) and among phases (p = 0.040). Ca gradient and delta of Ca also differed among d [Ca] and phases (p<0.05 for all comparisons), whether ultrafiltration was similar. Serum Osteocalcin decreased significantly in late post-PTX, whereas Sclerostin increased earlier, in early post-PTX. Conclusions The skeleton plays a key role in Ca mass transfer during dialysis, either by determining pre-dialysis serum Ca or by controlling the exchangeable Ca pool. Knowing that could help us to decide which d[Ca] should be chosen in a given patient.
- Quality of life after surgery in secondary hyperparathyroidism, comparing subtotal parathyroidectomy with total parathyroidectomy with immediate parathyroid autograft: Prospective randomized trial(2018) ALVES FILHO, Wellington; PLAS, Willemijn Y. van der; BRESCIA, Marilia D. G.; NASCIMENTO JR., Climerio R.; GOLDENSTEIN, Patricia T.; MASSONI NETO, Ledo M.; ARAP, Sergio S.; CUSTODIO, Melani R.; BUENO, Rodrigo O.; MOYSES, Rosa M. A.; JORGETTI, Vanda; KRUIJF, Schelto; MONTENEGRO, Fabio L. M.Background: No prospective randomized data exist about the impact of various strategies of parathyroidectomy in secondary hyperparathyroidism patients on quality of life and its possible relationship with metabolic status after the operation. Method: In a prospective randomized trial, the Short Form 36 Health Survey Questionnaire was applied to 69 patients undergoing parathyroidectomy through various approaches: subtotal parathyroidectomy (n = 23), total parathyroidectomy (PTx) with autotransplantation of 45 fragments (n = 25) and PTx with autotransplantation of 90 fragments (n = 21). The questionnaire was completed at three moments: (1) preoperatively, (2) 6 months after surgery, and (3) 12 months after surgery. Results: Quality of life improved significantly in the physical component summary score in all three groups. Subtotal parathyroidectomy scores changed from 30.6 preoperatively to 51.7 6 months after surgery and 53.7 12 months after surgery. Total arathyroidectomy with autotransplantation of 45 fragments scores changed from 33.8 preoperatively to 52.6 6 months after surgery and 55.2 12 months after surgery. Total parathyroidectomy with autotransplantation of 90 fragments scores changed from 31.8 preoperatively to 50.5 6 months after surgery and 55.2 12 months after surgery (all groups P < .0001). No significant difference was detected in the physical component summary score change among the three groups. The physical component summary score was negatively correlated to age, parathormone, and alkaline phosphatase preoperatively. Conclusion: Parathyroidectomy significantly improves quality of life in hemodialysis patients with secondary hyperparathyroidism, regardless of the type of operation.