Study of nycthemeral variations in blood pressure in patients with non-arteritic anterior ischemic optic neuropathy.
Eur J Ophthalmol
; 34(5): 1576-1585, 2024 Sep.
Article
in En
| MEDLINE
| ID: mdl-38470323
ABSTRACT
PURPOSE:
The objective of this study was to analyze the nycthemeral variations in blood pressure (BP) in individuals who presented with non-arteritic anterior ischemic optic neuropathy (NAION).METHODS:
BP was recorded for 24â h (ambulatory blood pressure monitoring, ABPM) in 65 patients with acute NAION. Three definitions of nighttime periods were used definition 1, 1 a.m.-6 a.m.; definition 2, 10 p.m.-7 a.m.; and definition 3, 10 p.m.-8 a.m. For each of these definitions, patients were classified according to the value of nocturnal reduction in BP into dippers (10-20%), mild dippers (0-10%), reverse dippers (< 0%), and extreme dippers (> 20%).RESULTS:
The proportions of dippers, mild dippers, reverse dippers, and extreme dippers varied significantly depending on the definition chosen. We found the highest number of patients with extreme dipping (23%) when using the strictest definition of nighttime period (definition 1, 1 a.m.-6 a.m.), as compared with 6.2% and 1.5% for the other definitions, respectively. Overall, 13 of 33 patients without known systemic hypertension (39%) were diagnosed with hypertension after ABPM. No risk factor for NAION was associated with the extreme-dipping profile. Finally, the prevalence of systemic hypertension was high (69%).CONCLUSION:
In our population of patients who had an episode of NAION, the proportion of extreme dippers was higher than that usually found in the literature. However, extreme dipping is not a frequent feature of patients with NAION as compared to patients with systemic hypertension. ABPM is recommended for all patients with NAION and unknown history of systemic hypertension.Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Blood Pressure
/
Circadian Rhythm
/
Blood Pressure Monitoring, Ambulatory
/
Optic Neuropathy, Ischemic
Limits:
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Language:
En
Journal:
Eur J Ophthalmol
/
Eur. j. ophthalmol
/
European journal of ophthalmology
Journal subject:
OFTALMOLOGIA
Year:
2024
Document type:
Article
Affiliation country:
Country of publication: