Ocular myasthenia gravis and risk factors for developing a secondary generalisation: description of a Spanish series.

INTRODUCTION: Ocular myasthenia gravis (MG) is the most common phenotype of MG at onset. A variable percentage of these patients develop secondary generalisation; the risk factors for conversion and the protective effect of immunosuppressive treatment are currently controversial. PATIENTS AND METHODS: We designed a retrospective single-centre study with the aim of describing the demographic, clinical, and laboratory characteristics of a Spanish cohort of patients with ocular MG from Hospital Universitario de Albacete from January 2008 to February 2020. RESULTS: We selected 62 patients with ocular MG from a cohort of 91 patients with MG (68.1%). Median age at diagnosis was 68 (IQR, 52-75.3), and men accounted for 61.3% of the sample (n = 38). Most patients presented very late-onset ocular MG (n = 34, 54.8%). Binocular diplopia was the most frequent initial symptom (51.7%). The rate of progression to generalised MG was 50% (n = 31), with a median time of 6 months (IQR, 2-12.8). Female sex (OR: 5.46; 95% CI, 1.16-25-74; P= .03) and anti-acetylcholine receptor antibodies (OR: 8.86; 95% CI, 1.15-68.41; P = .04) were significantly associated with the risk of developing generalised MG. CONCLUSIONS: The conversion rate observed in our series is relatively high. Generalisation of MG mainly occurs during the first 2 years of progression, and is strongly associated with female sex and especially with the presence of anti-acetylcholine receptor antibodies.

Ocular myasthenia gravis and risk factors for developing a secondary generalisation: Description of a Spanish series. / Miastenia gravis ocular y factores asociados al desarrollo de una generalización secundaria: descripción de una serie española.

INTRODUCTION: Ocular myasthenia gravis (MG) is the most common phenotype of MG at onset. A variable percentage of these patients develop secondary generalisation; the risk factors for conversion and the protective effect of immunosuppressive treatment are currently controversial. PATIENTS AND METHODS: We designed a retrospective single-centre study with the aim of describing the demographic, clinical, and laboratory characteristics of a Spanish cohort of patients with ocular MG from Hospital Universitario de Albacete from January 2008 to February 2020. RESULTS: We selected 62 patients with ocular MG from a cohort of 91 patients with MG (68.1%). Median age at diagnosis was 68 (IQR, 52-75.3), and men accounted for 61.3% of the sample (n = 38). Most patients presented very late-onset ocular MG (n = 34, 54.8%). Binocular diplopia was the most frequent initial symptom (51.7%). The rate of progression to generalised MG was 50% (n = 31), with a median time of 6 months (IQR, 2-12.8). Female sex (OR: 5.46; 95% CI, 1.16-25-74; p = .03) and anti-acetylcholine receptor antibodies (OR: 8.86; 95% CI, 1.15-68.41; p = .04) were significantly associated with the risk of developing generalised MG. CONCLUSIONS: The conversion rate observed in our series is relatively high. Generalisation of MG mainly occurs during the first 2 years of progression, and is strongly associated with female sex and especially with the presence of anti-acetylcholine receptor antibodies.

[Blood pressure variation in relation to distinct physical activity levels in young people and adults]. / Variación de la tensión arterial en relación con distintos niveles de actividad física en jóvenes y adultos.

In order to prove the existence of a relationship between the degree of physical activity and blood pressure, we studied 200 persons divided in two groups (first group less than 30 years old; second group greater than 30 years old), evaluating the habitual physical activity, stratifying them into different categories according to this activity. We did not find any significant statistical differences between the blood pressure and the various physical activity categories. However, there were statistically significant differences in the same group related to sex and age. Our results suggest that physical activity is not clearly related to blood despite the fact that these are both considered cardiovascular disease risk factors.