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1.
Am J Physiol Heart Circ Physiol ; 326(1): H103-H109, 2024 01 01.
Artículo en Inglés | MEDLINE | ID: mdl-37947437

RESUMEN

Cardiorespiratory fitness (CRF) and the subendocardial viability ratio (SEVR) decline with age and predict future cardiovascular disease (CVD) events in a sex-dependent manner. However, the relation between CRF and SEVR in apparently healthy males and females across the age span is largely unknown. We hypothesized higher CRF is associated with greater SEVR in older females but not in males. Two-hundred sixty-two (126 M/136 F, age range 20-84 yr) participants underwent measures of CRF (maximal O2 consumption, V̇o2max) and SEVR (pulse wave analysis, PWA). A two-way analysis of variance (ANOVA) was used to examine differences in baseline characteristics between younger (<45 yr) and middle-aged and older (MA/O, ≥45 yr) males and females. Bivariate correlations assessed the relation between CRF, SEVR, and age in males and females. Partial correlations adjusted for CVD risk factors and medications. MA/O females had the lowest CRF and SEVR compared with all other groups (P < 0.05, both). SEVR was negatively correlated with age (r = -0.29) and positively correlated with CRF (r = 0.53) in females (P < 0.05, both) that persisted after controlling for CVD risk factors and medications (P < 0.05, all). SEVR was correlated with CRF in males only after adjusting for CVD risk factors and medications (r = 0.26, P < 0.05). These findings collectively demonstrate higher CRF is associated with greater SEVR in males and females after adjusting for CVD risk factors and medications, therefore highlighting subtle sex-specific nuances that warrant further investigation.NEW & NOTEWORTHY Cardiorespiratory fitness (CRF) and the subendocardial viability ratio (SEVR) are independent predictors of mortality and decline with age. However, the sex-specific relationship between CRF and SEVR with aging in adult males and females is unknown. Our findings demonstrate higher CRF is associated with greater age-related SEVR in males and females, after adjusting for traditional cardiovascular disease (CVD) risk factors and medications. However, subtle sex-related nuances exist in the relationship between SEVR and CRF that require further investigation.


Asunto(s)
Capacidad Cardiovascular , Enfermedades Cardiovasculares , Adulto , Persona de Mediana Edad , Masculino , Femenino , Humanos , Anciano , Adulto Joven , Anciano de 80 o más Años , Enfermedades Cardiovasculares/etiología , Envejecimiento , Estado de Salud , Perfusión/efectos adversos
2.
Rhinology ; 2024 Jun 24.
Artículo en Inglés | MEDLINE | ID: mdl-38913328

RESUMEN

BACKGROUND: The extent to which gender affects outcomes in chronic rhinosinusitis (CRS) is unclear. The objective of this study was to examine differential outcomes between genders following endoscopic sinus surgery (ESS) among CRS patients. METHODS: PubMed/Ovid, Embase and Cochrane databases were queried. Outcomes included disease burden on imaging and endoscopy, patient-reported outcome measures (PROMs) including the Sinonasal Outcome Test (SNOT-22), revision rates, and olfactory outcomes. Meta-analysis was performed using the Mantel-Haenszel method with random effects model. RESULTS: Of 4,656 articles screened, 32 (n=103,499) were included for qualitative analysis and four (n=2,602) for meta-analysis. On qualitative analysis, 19 of the 32 studies noted a significant gender difference in post-operative outcomes, with five studies favoring women and 14 favoring men. Nine of 18 studies with PROMs noted a difference between genders, all favoring men. Olfactory outcomes were mixed with studies divided on favoring men vs women. No studies noted significant gender differences of disease burden on imaging or endoscopy. Across four studies included in the meta-analysis, women had higher preoperative and post-operative SNOT-22 scores. CONCLUSION: Meta-analysis shows that women patients have worse pre and postoperative SNOT-22 scores. Postoperative gender differences are most apparent in studies that examined PROMs. Further research is needed to investigate the underlying causes and to mitigate disparities between genders.

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