[Increased homocysteine levels in polycystic ovary syndrome]. / Concentraciones elevadas de homocisteína en el síndrome de ovario poliquístico.

BACKGROUND AND OBJECTIVE: Women with polycystic ovary syndrome (PCOS) exhibit frequently risk factors that predispose to cardiovascular disease. Hyperhomocysteinemia is an independent risk factor for this disease. The aim of this study was to know whether young women with PCOS have increased homocysteine levels. We also analyzed their possible relation with folate and vitamin B12 levels. PATIENTS AND METHOD: Thirty nine patients with PCOS were studied; (age: mean [standard deviation] 28.9 [5.8] years), and 39 healthy women similar in age. We evaluated in all of them: smoking, menstrual cycles, hirsutism, body mass index, metabolic syndrome and levels of homocysteine, lipids, glucose, creatinine, folate, vitamin B12, follicle-stimulating hormone (FSH), luteinizing hormone (LH) and androstendione. RESULTS: Menstrual cycles, hirsutism, androstendione, LH levels and LH/FSH were higher, as we expected, in patients with PCOS. Moreover, patients had increased homocysteine (9.1 [2.1] vs 6.4 [1.8] micromol/L; p < 0.001) and glucose levels (99 [13] vs 88 [10] mg/dl; p < 0.001), a higher frequency of abnormal fasting glycemia (> 110 mg/dl) (23% vs 2.5%; p =.01) and lower folate levels (7.6 [3.7] vs 10.2 [3.6] ng/ml; p = 0.02). A multiple linear regression showed a negative association between homocysteine and folate levels (r2 = 0.05; p =.02). CONCLUSIONS: Homocysteinemia is increased in women with PCOS, and it is negatively associated with folate levels.

Concentraciones elevadas de homocisteína en el síndrome de ovario poliquístico / Increased homocysteine levels in polycystic ovary syndrome

Fundamento y objetivo: En las mujeres con síndrome de ovario poliquístico (SOP) es frecuente que haya factores de riesgo que predispongan a tener enfermedad cardiovascular. Se sabe que la hiperhomocisteinemia es un factor de riesgo independiente para esta enfermedad. El objetivo del presente estudio ha sido conocer si las mujeres jóvenes con SOP presentan concentraciones elevadas de homocisteína, y su posible relación con las de folato y vitamina B12. Pacientes y método: Se seleccionó a 39 mujeres con SOP, con una edad media (desviación estándar [DE]) de 28,9 (5,8) años, y 39 mujeres sanas de edad similar, y en todas ellas se evaluaron: tabaquismo, ciclos menstruales, grado de hirsutismo, índice de masa corporal, presencia de síndrome metabólico y concentraciones de homocisteína, lípidos, glucosa, creatinina, folato, vitamina B12, folitropina (FSH), lutropina (LH) y androstendiona. Resultados: Los ciclos menstruales, el grado de hirsutismo, los valores de androstendiona y LH y la relación LH/FSH eran más elevados, como se esperaba, en las pacientes con SOP. Además, las pacientes presentaban valores más elevados de homocisteína (media [DE] de 9,1 [2,1] frente a 6,4 [1,8] mmol/l; p 110 mg/dl) (el 23 frente al 2,5%; p = 0,01) y unos valores más bajos de folato (media [DE] de 7,6 [3,7] frente a 10,2 [3,6] ng/ml; p = 0,02). En una regresión lineal múltiple, se comprobó una asociación negativa entre las concentraciones de homocisteína y las de folato (r2 = 0,05; p = 0,02). Conclusiones: La homocisteinemia es más elevada en las mujeres con SOP y se asocia negativamente a las concentraciones de folato

Background and objective: Women with polycystic ovary syndrome (PCOS) exhibit frequently risk factors that predispose to cardiovascular disease. Hyperhomocysteinemia is an independent risk factor for this disease. The aim of this study was to know whether young women with PCOS have increased homocysteine levels. We also analyzed their possible relation with folate and vitamin B12 levels. Patients and method: Thirty nine patients with PCOS were studied; (age: mean [standard deviation] 28.9 [5.8] years), and 39 healthy women similar in age. We evaluated in all of them: smoking, menstrual cycles, hirsutism, body mass index, metabolic syndrome and levels of homocysteine, lipids, glucose, creatinine, folate, vitamin B12, follicle-stimulating hormone (FSH), luteinizing hormone (LH) and androstendione. Results: Menstrual cycles, hirsutism, androstendione, LH levels and LH/FSH were higher, as we expected, in patients with PCOS. Moreover, patients had increased homocysteine (9.1 [2.1] vs 6.4 [1.8] mmol/L; p 110 mg/dl) (23% vs 2.5%; p =.01) and lower folate levels (7.6 [3.7] vs 10.2 [3.6] ng/ml; p = 0.02). A multiple linear regression showed a negative association between homocysteine and folate levels (r2 = 0.05; p =.02). Conclusions: Homocysteinemia is increased in women with PCOS, and it is negatively associated with folate levels