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[Postprandial hypotension].
Rev Port Cardiol. 1999 Jun; 18(6):595-8.RP

Abstract

INTRODUCTION

A decrease in blood pressure (BP) 30 to 60 minutes after food ingestion is a physiologic and asymptomatic event, and is about 10 to 16 mm Hg in elderly subjects, but only 3 to 4 mm Hg in youths.

PATIENTS AND METHODS

Sixteen women referred to our hospital with complains of lipothymia were studied. They were compared with a control population of 20 healthy subjects. Clinical, laboratory and electrocardiographic (12 leads and 24 hour "Holter" monitoring) evaluation, and 24 hour BP monitoring were performed. In the BP register, the period between the beginning and until 4 hours after the meal was analysed separately.

RESULTS

The systolic and diastolic BP between the two populations was not significantly different (120.6 +/- 14.6 mm Hg and 76.5 +/- 8.9 mm Hg in the study group and 126.8 +/- 10.9 mm Hg and 77.8 +/- 7.2 mm Hg in the controls). The average of the mean BP was also not significantly different (78.7 +/- 11.7 mm Hg vs. 86.8 +/- 5 mm Hg, patients and controls). During the 4 hours after the meal there was a significant decrease (p < 0.01) in the average of the mean BP of the patients, which did not occur in the controls (65.4 +/- 7.3 mm Hg vs. 88.5 +/- 2.5 mm Hg, patients and controls). This postprandial decrease in BP correlated with the patients' symptomatology.

CONCLUSIONS

Although physiologic in some individuals, the decrease in postprandial BP can be exaggerated and symptomatic. Outpatient BP monitoring can become a useful instrument in the evaluation of syncope/lipothymia.

Authors+Show Affiliations

Serviço de Medicina I (Fundo do Coração), Hospital de Santa Maria, Lisboa. calcantara@mail.telepac.ptNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

English Abstract
Journal Article

Language

por

PubMed ID

10422455

Citation

Alcântara, C, et al. "[Postprandial Hypotension]." Revista Portuguesa De Cardiologia : Orgao Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology, vol. 18, no. 6, 1999, pp. 595-8.
Alcântara C, Moreira C, Braz-Nogueira J, et al. [Postprandial hypotension]. Rev Port Cardiol. 1999;18(6):595-8.
Alcântara, C., Moreira, C., Braz-Nogueira, J., & Ravara, L. (1999). [Postprandial hypotension]. Revista Portuguesa De Cardiologia : Orgao Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology, 18(6), 595-8.
Alcântara C, et al. [Postprandial Hypotension]. Rev Port Cardiol. 1999;18(6):595-8. PubMed PMID: 10422455.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Postprandial hypotension]. AU - Alcântara,C, AU - Moreira,C, AU - Braz-Nogueira,J, AU - Ravara,L, PY - 1999/7/28/pubmed PY - 1999/7/28/medline PY - 1999/7/28/entrez SP - 595 EP - 8 JF - Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology JO - Rev Port Cardiol VL - 18 IS - 6 N2 - INTRODUCTION: A decrease in blood pressure (BP) 30 to 60 minutes after food ingestion is a physiologic and asymptomatic event, and is about 10 to 16 mm Hg in elderly subjects, but only 3 to 4 mm Hg in youths. PATIENTS AND METHODS: Sixteen women referred to our hospital with complains of lipothymia were studied. They were compared with a control population of 20 healthy subjects. Clinical, laboratory and electrocardiographic (12 leads and 24 hour "Holter" monitoring) evaluation, and 24 hour BP monitoring were performed. In the BP register, the period between the beginning and until 4 hours after the meal was analysed separately. RESULTS: The systolic and diastolic BP between the two populations was not significantly different (120.6 +/- 14.6 mm Hg and 76.5 +/- 8.9 mm Hg in the study group and 126.8 +/- 10.9 mm Hg and 77.8 +/- 7.2 mm Hg in the controls). The average of the mean BP was also not significantly different (78.7 +/- 11.7 mm Hg vs. 86.8 +/- 5 mm Hg, patients and controls). During the 4 hours after the meal there was a significant decrease (p < 0.01) in the average of the mean BP of the patients, which did not occur in the controls (65.4 +/- 7.3 mm Hg vs. 88.5 +/- 2.5 mm Hg, patients and controls). This postprandial decrease in BP correlated with the patients' symptomatology. CONCLUSIONS: Although physiologic in some individuals, the decrease in postprandial BP can be exaggerated and symptomatic. Outpatient BP monitoring can become a useful instrument in the evaluation of syncope/lipothymia. SN - 0870-2551 UR - https://www.unboundmedicine.com/medline/citation/10422455/[Postprandial_hypotension]_ L2 - https://medlineplus.gov/lowbloodpressure.html DB - PRIME DP - Unbound Medicine ER -