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1.
J Hum Hypertens ; 36(10): 882-886, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-35082377

RESUMO

While evidence-based medicine has contributed enormously to the uniformity and rationale of patient care, it is necessary that we anticipate changes in order to implement their rapid translation to practice. The purpose of this review is to expose three issues regarding cardiovascular health in women, including milestones to reflect the pace at which these are incorporated into public policies. Two of these matters, as changes in the thresholds of normal blood pressure in gestation and in nonpregnant women, need further evidence and deserve to be retrospectively analyzed in high-quality databases. The third subject derives from the association of remote cardiovascular complications of hypertensive pregnancies, an example of the unnecessary delay of more than two decades to install a wide prevention strategy when the health system is not on the watch.


Assuntos
Hipertensão , Complicações Cardiovasculares na Gravidez , Pressão Sanguínea/fisiologia , Feminino , Humanos , Hipertensão/diagnóstico , Gravidez , Estudos Retrospectivos
2.
J Endocr Soc ; 5(10): bvab073, 2021 Oct 01.
Artigo em Inglês | MEDLINE | ID: mdl-34377881

RESUMO

PURPOSE: Latin American reports on pheochromocytomas and paragangliomas (PPGLs) are scarce. Recent studies demonstrate changes in clinical presentation and management of these patients. Herein, we assessed the main characteristics of PPGL patients in our academic center over the past 4 decades. METHODS: Demographic, clinical, biochemical, and perioperative data from 105 PPGL patients were retrospectively and prospectively collected over the 1980-2019 period. Data were organized into 4 periods by decade. RESULTS: Age at diagnosis, gender, tumor size and percentage of bilaterality, percentage of paragangliomas, and metastases remained stable across the 4 decades. The proportion of genetic testing and incidentalomas increased in recent decades (all P < 0.001). Therefore, we compared PPGLs diagnosed as incidentalomas (36%) with those clinically suspected (64%). Incidentalomas had fewer adrenergic symptoms (38 vs. 62%; P < 0.001) and lower rates of hypertension (64% vs. 80%; P = 0.01) and hypertensive crisis (28% vs. 44%; P = 0.02); also, they had lower functionality (79% vs. 100%; P = 0.01) and lower catecholamines levels (8.4-fold vs. 12.5-fold above upper cutoffs; P = 0.04). Regarding management of all PPGLs over the decades, we observed significant increases in both perioperative doxazosin dose (P = 0.003) and laparoscopic approach rates (P < 0.001), along with a decrease in the length of hospital stays (P = 0.007). CONCLUSIONS: We observed a change in the clinical presentation of PPGL in recent decades, with a marked increase in incidental cases and milder symptoms. The implementation of a multidisciplinary program for adrenal disorders in our institution has translated into more timely diagnoses, more genetic testing, and improvements in perioperative management.

4.
Andes Pediatr ; 92(2): 263-267, 2021 Apr.
Artigo em Espanhol | MEDLINE | ID: mdl-34106166

RESUMO

INTRODUCTION: Both premature birth and low birth weight compromise nephron development. The lower nephron endowment is subjected to compensatory hyperfiltration that overloads the glomeruli and leads to the vicious circle of progressive deterioration of renal function. OBJECTIVE: To emphasize the risk of renal involvement in this susceptible population by describing the case of a patient with long-term follow-up. CLINICAL CASE: Low-weight premature newborn, who presented at 3 years of age severe hypertension, which was controlled with different types of antihypertensive drugs. However, 10 years later subnephrotic proteinuria was detected; a renal biopsy confirmed a focal and segmental glome rulosclerosis. Despite blocking the renin-angiotensin system for 23 years, his renal function progres sively deteriorated, until requiring chronic hemodialysis during the last 3 years. CONCLUSION: It is essential to increase the awareness of the risk of renal damage in premature and low weight newborns in order to establish management that covers from gestation to adult life and to achieve an individual and epidemiological impact on renal health.


Assuntos
Glomerulosclerose Segmentar e Focal/etiologia , Doenças do Prematuro , Adolescente , Adulto , Pré-Escolar , Progressão da Doença , Glomerulosclerose Segmentar e Focal/diagnóstico , Glomerulosclerose Segmentar e Focal/patologia , Humanos , Hipertensão/tratamento farmacológico , Recém-Nascido de Baixo Peso , Recém-Nascido , Recém-Nascido Prematuro , Rim/patologia , Masculino , Proteinúria/diagnóstico , Proteinúria/etiologia , Fatores de Tempo
6.
Reprod Sci ; 27(8): 1648-1655, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32430711

RESUMO

INTRODUCTION: The pleiotropic kininogen-kallikrein-kinin system is upregulated in pregnancy and localizes in the uteroplacental unit. To identify the systemic and local participation of the bradykinin type 2 receptor (B2R), this was antagonized by Bradyzide (BDZ) during 2 periods: from days 20 to 34 and from days 20 to 60 in pregnant guinea pigs. METHODS: Pregnant guinea pigs received subcutaneous infusions of saline or BDZ from gestational day 20 until sacrifice on day 34 (Short B2R Antagonism [SH-B2RA]) or on day 60 (Prolonged B2R Antagonism [PR-B2RA]). In SH-BDZA, systolic blood pressure was determined on day 34, while in PR-BDZA it was measured preconceptionally, at days 40 and 60. On gestational day 60, plasma creatinine, uricemia, proteinuria, fetal, placental and maternal kidney weight, and the extent of trophoblast invasion were evaluated. RESULTS: The SH-B2RA increased systolic blood pressure on day 34 and reduced trophoblast myometrial invasion, spiral artery remodeling, and placental sufficiency. The PR-B2RA suppressed the normal blood pressure fall observed on days 40 and 60; vascular transformation, placental efficiency, urinary protein, serum creatinine, and uric acid did not differ between the groups. The proportion of all studied mothers with lost fetuses was greater under BDZ infusion than in controls. CONCLUSION: The increased systolic blood pressure and transient reduction in trophoblast invasion and fetal/placental weight in the SH-B2R blockade and the isolated impact on blood pressure in the PR-B2R blockade indicate that bradykinin independently modulates systemic hemodynamics and the uteroplacental unit through cognate vascular and local B2R receptors.


Assuntos
Pressão Sanguínea/fisiologia , Antagonistas dos Receptores da Bradicinina/farmacologia , Bradicinina/metabolismo , Receptor B2 da Bradicinina/metabolismo , Trofoblastos/metabolismo , Animais , Pressão Sanguínea/efeitos dos fármacos , Bradicinina/antagonistas & inibidores , Feminino , Cobaias , Placenta/efeitos dos fármacos , Placenta/metabolismo , Gravidez , Pirrolidinas/farmacologia , Tiossemicarbazonas/farmacologia , Trofoblastos/efeitos dos fármacos
7.
Rev. chil. cardiol ; 38(2): 132-145, ago. 2019. tab, graf
Artigo em Espanhol | LILACS | ID: biblio-1042607

RESUMO

ANTECEDENTES: Desde 1995 hasta la fecha la asociación entre patologías derivadas los embarazos hipertensivos y las enfermedades cardiovasculares ha generado un gran volumen de potentes evidencias epidemiológicas y clínicas. OBJETIVOS: Los propósitos de esta revisión son varios. Mostrar la consistencia y magnitud de la evidencia científica. Integrar los riesgos/enfermedades cardiovasculares y los problemas obstétricos a través de la disfunción endotelial. Preconizar el seguimiento postparto de la hipertensa embarazada, como una ventana de oportunidad para beneficiar la salud de las mujeres y sus hijos. Incluir la historia obstétrica como factor de riesgo de enfermedad coronaria. Proponer cuestionarios adaptables a las prácticas locales para facilitar la pronta incorporación de los índices de riesgo obstétrico y cardiovascular en dos etapas de la vida de una mujer. CONCLUSIÓN: Ha llegado el momento para que los equipos obstétricos, cardiológicos y pacientes jueguen un rol en la prevención de los riesgos y enfermedades cardiovasculares.


BACKGROUND: From 1995 onwards the association between hypertensive pregnancies and cardiovascular disease has generated a great volume of epidemiologic and clinical evidence. OBJECTIVES: The purposes of this review are several. To demonstrate the consistence and weight of the scientific evidence. To integrate cardiovascular risks/ diseases and obstetric complications through the link of endothelial dysfunction. To advocate postpartum follow-up after a hypertensive pregnancy as a window of opportunity to benefit the health of mothers and offsprings. To include the obstetrical history as a risk factor for coronary disease. To propose questionnaires adaptable to local practices to incorporate cardiovascular and obstetrical indexes into two stages of a woman's lifetime. CONCLUSION: The time has come for obstetrical teams, cardiologists and patients to play a preventive role regarding cardiovascular risks and diseases.


Assuntos
Humanos , Feminino , Gravidez , Pré-Eclâmpsia/epidemiologia , Doenças Cardiovasculares/prevenção & controle , Doenças Cardiovasculares/epidemiologia , Fatores de Risco de Doenças Cardíacas , Complicações na Gravidez/diagnóstico , Inquéritos e Questionários , Saúde da Mulher , Medição de Risco/métodos , Hipertensão Induzida pela Gravidez/epidemiologia
8.
Reprod Sci ; : 1933719119833494, 2019 Mar 05.
Artigo em Inglês | MEDLINE | ID: mdl-30836849

RESUMO

INTRODUCTION:: The pleiotropic kininogen-kallikrein-kinin system is upregulated in pregnancy and localizes in the uteroplacental unit. To identify the systemic and local participation of the bradykinin type 2 receptor (B2R), this was antagonized by Bradyzide (BDZ) during 2 periods: from days 20 to 34 and from days 20 to 60 in pregnant guinea pigs. METHODS:: Pregnant guinea pigs received subcutaneous infusions of saline or BDZ from gestational day 20 until sacrifice on day 34 (Short B2R Antagonism [SH-B2RA]) or on day 60 (Prolonged B2R Antagonism [PR-B2RA]). In SH-BDZA, systolic blood pressure was determined on day 34, while in PR-BDZA it was measured preconceptionally, at days 40 and 60. On gestational day 60, plasma creatinine, uricemia, proteinuria, fetal, placental and maternal kidney weight, and the extent of trophoblast invasion were evaluated. RESULTS:: The SH-B2RA increased systolic blood pressure on day 34 and reduced trophoblast myometrial invasion, spiral artery remodeling, and placental sufficiency. The PR-B2RA suppressed the normal blood pressure fall observed on days 40 and 60; vascular transformation, placental efficiency, urinary protein, serum creatinine, and uric acid did not differ between the groups. The proportion of all studied mothers with lost fetuses was greater under BDZ infusion than in controls. CONCLUSION:: The increased systolic blood pressure and transient reduction in trophoblast invasion and fetal/placental weight in the SH-B2R blockade and the isolated impact on blood pressure in the PR-B2R blockade indicate that bradykinin independently modulates systemic hemodynamics and the uteroplacental unit through cognate vascular and local B2R receptors.

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