Sandra Iliana Rodriguez Carranza - Academia.edu (original) (raw)
Papers by Sandra Iliana Rodriguez Carranza
Revista de investigación clínica; organo del Hospital de Enfermedades de la Nutrición
The epidemiology of the metabolic complications of antiretroviral agents is discussed here. Contr... more The epidemiology of the metabolic complications of antiretroviral agents is discussed here. Contradictory findings are common in this field due to methodological problems. The prevalence depends on the activity of the infection and on the type of treatment. Before treatment, the most common lipid abnormalities are low HDL-cholesterol (< 35 mg/dL, 25.5%) and hypertriglyceridemia (> 200 mg/dL, 15.2%). The prevalence of hypercholesterolemia is 3 times higher during treatment, especially if a protease inhibitor (IP) is used. Hypertension has been described as not common because high thresholds have been used in previous reports. Diabetes has been found in 6-7%. Similar prevalences were found in a retrolective study including 464 cases. Before treatment, hypertriglyceridemia was found mainly in cases with a body weight below normal; the opposite trend was found after treatment. After one year of treatment the prevalence of hypertension (> or = 130/85), hypertriglyceridemia (>...
Endocrine Practice, 2004
Objective: To assess the diagnostic properties of 99m Tc-sestamibi scanning (dual-phase technique... more Objective: To assess the diagnostic properties of 99m Tc-sestamibi scanning (dual-phase technique) in patients with primary hyperparathyroidism and to establish the overall efficacy of this imaging technique for localization of an adenoma. Methods: The medical records of all 131 patients who underwent parathyroid scanning in a tertiary care center between January 1997 and December 2002 were reviewed. The surgical findings were used as the "gold standard" for the diagnosis of parathyroid pathologic conditions. Results: Primary hyperparathyroidism was diagnosed in 87 of the 131 patients (66.4%); of these, 76 underwent surgical treatment. In 44 patients, sestamibi scanning was also done for conditions other than primary hyperparathyroidism. 99m Tc-sestamibi scanning had a sensitivity of 79.1%, a specificity of 86.7%, a positive predictive value of 88.3%, a false-positive rate of 11.6%, and a false-negative rate of 23.3% for the diagnosis of parathyroid adenoma. Despite the apparent high sensitivity of this scanning technique, only 58.2% of the adenomas were found intraoperatively at the location predicted by the scan. Lesions in the upper neck area were missed more frequently by sestamibi scanning than were those in the lower neck area (13 of 32 versus 1 of 35, respectively) (P<0.05). Conclusion: Preoperative localization of parathyroid adenomas with use of 99m Tc-sestamibi scanning showed a limited capacity to reveal their precise location. Thus, such scans must be complemented with other studies, such as intraoperative ultrasonography and rapid parathyroid hormone assay, to ensure a successful excision if a limited surgical procedure is planned.
Revista de …, 2004
... En población mexicana la hipertrigliceridemia, la hipertensión y el consumo de tabaco son los... more ... En población mexicana la hipertrigliceridemia, la hipertensión y el consumo de tabaco son los factores de riesgo cardiovascular más frecuentes en los pacientes con VIH. PALABRAS CLAVE. Virus de inmunodeficiencia humana. Dislipidemias. Antirretrovirales. ...
Archives of Cardiovascular Diseases Supplements, 2012
Conclusion: Vascular function proved to be altered in patients with angina and normal coronary ar... more Conclusion: Vascular function proved to be altered in patients with angina and normal coronary arteries versus control subjects. These findings suggest a possible pathophysiological link between large arteries stiffening, increased afterload and angina symptoms, in the absence of coronary stenoses.
Revista de investigación clínica; organo del Hospital de Enfermedades de la Nutrición
The epidemiology of the metabolic complications of antiretroviral agents is discussed here. Contr... more The epidemiology of the metabolic complications of antiretroviral agents is discussed here. Contradictory findings are common in this field due to methodological problems. The prevalence depends on the activity of the infection and on the type of treatment. Before treatment, the most common lipid abnormalities are low HDL-cholesterol (< 35 mg/dL, 25.5%) and hypertriglyceridemia (> 200 mg/dL, 15.2%). The prevalence of hypercholesterolemia is 3 times higher during treatment, especially if a protease inhibitor (IP) is used. Hypertension has been described as not common because high thresholds have been used in previous reports. Diabetes has been found in 6-7%. Similar prevalences were found in a retrolective study including 464 cases. Before treatment, hypertriglyceridemia was found mainly in cases with a body weight below normal; the opposite trend was found after treatment. After one year of treatment the prevalence of hypertension (> or = 130/85), hypertriglyceridemia (>...
Endocrine Practice, 2004
Objective: To assess the diagnostic properties of 99m Tc-sestamibi scanning (dual-phase technique... more Objective: To assess the diagnostic properties of 99m Tc-sestamibi scanning (dual-phase technique) in patients with primary hyperparathyroidism and to establish the overall efficacy of this imaging technique for localization of an adenoma. Methods: The medical records of all 131 patients who underwent parathyroid scanning in a tertiary care center between January 1997 and December 2002 were reviewed. The surgical findings were used as the "gold standard" for the diagnosis of parathyroid pathologic conditions. Results: Primary hyperparathyroidism was diagnosed in 87 of the 131 patients (66.4%); of these, 76 underwent surgical treatment. In 44 patients, sestamibi scanning was also done for conditions other than primary hyperparathyroidism. 99m Tc-sestamibi scanning had a sensitivity of 79.1%, a specificity of 86.7%, a positive predictive value of 88.3%, a false-positive rate of 11.6%, and a false-negative rate of 23.3% for the diagnosis of parathyroid adenoma. Despite the apparent high sensitivity of this scanning technique, only 58.2% of the adenomas were found intraoperatively at the location predicted by the scan. Lesions in the upper neck area were missed more frequently by sestamibi scanning than were those in the lower neck area (13 of 32 versus 1 of 35, respectively) (P<0.05). Conclusion: Preoperative localization of parathyroid adenomas with use of 99m Tc-sestamibi scanning showed a limited capacity to reveal their precise location. Thus, such scans must be complemented with other studies, such as intraoperative ultrasonography and rapid parathyroid hormone assay, to ensure a successful excision if a limited surgical procedure is planned.
Revista de …, 2004
... En población mexicana la hipertrigliceridemia, la hipertensión y el consumo de tabaco son los... more ... En población mexicana la hipertrigliceridemia, la hipertensión y el consumo de tabaco son los factores de riesgo cardiovascular más frecuentes en los pacientes con VIH. PALABRAS CLAVE. Virus de inmunodeficiencia humana. Dislipidemias. Antirretrovirales. ...
Archives of Cardiovascular Diseases Supplements, 2012
Conclusion: Vascular function proved to be altered in patients with angina and normal coronary ar... more Conclusion: Vascular function proved to be altered in patients with angina and normal coronary arteries versus control subjects. These findings suggest a possible pathophysiological link between large arteries stiffening, increased afterload and angina symptoms, in the absence of coronary stenoses.