Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 26
Filtrar
1.
F S Sci ; 2024 Jun 05.
Artigo em Inglês | MEDLINE | ID: mdl-38849117

RESUMO

OBJECTIVE: To study whether severe male factor infertility (SMF), reflected by oligozoospermia, impacts embryo morphokinetic behavior in low-prognosis women as stratified by the Patient-Oriented Strategies Encompassing IndividualizeD Oocyte Number (POSEIDON) criteria. DESIGN: Cohort study SETTING: Private university-affiliated IVF center. PATIENTS: 10366 injected oocytes from 2272 women undergoing ICSI cycles between March 2019 and April 2022. INTERVENTION(S): Patients were split into eight groups according to the POSEIDON criteria (1 to 4) and the presence or absence of SMF. A Control group of normo-responder patients was included. Kinetic markers from the point of insemination were recorded in the EmbryoScope incubator. MAIN OUTCOME MEASURE(S): Morphokinetic milestones and ICSI clinical outcomes. RESULTS: Embryos from patients in the POSEIDON group 1 showed significantly slower tPNa, tPNf, t2, t3, t4, t6, and t7 compared to those from Control group. KIDScore ranking was significantly different between SMF and non-SMF (nSFM) subgroups in both POSEIDON 1 and Control groups. Embryos from patients in the POSEIDON group 2 showed significantly slower tPNa, t4, t6, t7, t8, and tM compared to those from Control group. Embryos in POSEIDON 2 SMF subgroup took longer than those in POSEIDON 2 nSMF subgroup, and those in both Control subgroups, to achieve tPNf, t2, t3, t5, tS. KIDScore ranking was significantly different between SMF and nSMF subgroups in both POSEIDON 2 and Control groups. Embryos from patients in the POSEIDON group 3 showed significantly slower t8, and cc2 compared to those from Control group. KIDScore ranking was significantly different across the subgroups. Embryos derived from patients in the POSEIDON group 4 showed significantly slower tPNf, t2, t3, t4, t5, t6, t7, t8, s2, and s3 compared to those from Control group. KIDScore ranking was significantly different between SMF and nSMF subgroups in both POSEIDON 4 and Control groups. Irrespective of sperm quality, clinical outcomes were significantly improved in Control subgroups compared to POSEIDON 2 and 4 subgroups. CONCLUSIONS: Embryos in the SFM groups presented a lower KIDScore ranking than those derived from the nSMF groups in both POSEIDON 1-4 and Control groups, suggesting that cumulative differences result in worse morphokinetic development when the algorithm is used.

2.
F S Sci ; 5(1): 43-49, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38061461

RESUMO

OBJECTIVE: To study the impact of the use of progesterone on embryo morphokinetics and on the outcomes of intracytoplasmic sperm injection cycles. DESIGN: Cohort study. SETTING: Private university-affiliated in vitro fertilization center. PATIENT(S): This study included 236 freeze-all intracytoplasmic sperm injection cycles and the resultant 2,768 injected oocytes cultured in a time-lapse imaging incubation system. Patients were matched by age and divided into groups depending on the protocol used to prevent the luteinizing hormone surge: progestin-primed (144 cycles and 1,360 embryos) and gonadotropin hormone-releasing hormone (GnRH) antagonist (144 cycles and 1,408 embryos) groups. INTERVENTION(S): The kinetic recorded markers were time to pronuclear appearance and fading, time to 2-8 cells, time to morulation, time to start of blastulation, and time to blastulation. The durations of cell cycles and time to complete synchronous divisions were calculated. The Known Implantation Data Score ranking was recorded. Morphokinetics and clinical outcomes were compared between the groups. MAIN OUTCOME MEASURE(S): Embryo morphokinetics and clinical outcomes. RESULTS: Slower time to pronuclear appearance, time to 2 cells, time to 7 cells, time to start of blastulation, and time to blastulation were observed in embryos derived from progestin-primed cycles than in those from the GnRH antagonist group. No significant differences were noted in any other morphokinetic milestone. Significantly higher cancellation and implantation rates were observed in the progestin-primed group. However, no significant differences were noted in the pregnancy and miscarriage rates. The expenses for treatment using premature GnRH antagonist and progestins were US$318.18 and US$11.05, respectively. CONCLUSIONS: Exogenous progesterone replaces the GnRH antagonist for the prevention of premature luteinizing hormone surge, in freeze-all cycles, with the advantage of oral administration and potential cost reduction.


Assuntos
Progesterona , Progestinas , Gravidez , Feminino , Humanos , Masculino , Estudos de Coortes , Indução da Ovulação/métodos , Sêmen , Hormônio Luteinizante , Administração Oral , Congêneres da Progesterona , Hormônio Liberador de Gonadotropina
3.
Zygote ; 31(6): 570-576, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37743564

RESUMO

Our objective was to study whether serum anti-Müllerian hormone (AMH) concentrations were associated with embryo morphokinetic events. This retrospective cohort study was performed in a private university-affiliated in vitro fertilization centre between March 2019 and December 2020 and included 902 oocytes cultured in a time-lapse imaging incubator, obtained from 114 intracytoplasmic sperm injection cycles performed. The relationship between AMH concentrations and morphokinetic events was investigated by considering the clustering of data (multiple embryos/patient). Evaluated kinetic markers were time to pronuclei appearance (tPNa) and fading (tPNf), time to two (t2), three (t3), four (t4), five (t5), six (t6), seven (t7), and eight cells (t8), (tSB) and time to the start of blastulation (tSB) and to blastulation (tB). Significant inverse relationships were observed between serum AMH concentrations and tPNf, t3, t4, t5, t6, t7, t8, and tB. The AMH was positively correlated with the KIDScore and implantation rate. Increased serum AMH concentrations correlated with faster embryo development. The clinical implications of this effect on embryo development warrant further investigation.


Assuntos
Hormônio Antimülleriano , Blastocisto , Humanos , Masculino , Estudos Retrospectivos , Imagem com Lapso de Tempo , Sêmen , Desenvolvimento Embrionário , Fertilização in vitro , Técnicas de Cultura Embrionária
4.
Mol Reprod Dev ; 90(6): 389-396, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-37334904

RESUMO

The goal for the present study was to investigate the effect of aneuploidy on embryo morphokinetics events in a time-lapse imaging (TLI) system incubator. This retrospective cohort study was performed in a private university-affiliated in vitro fertilization center, between 2019 March and December 2020. Kinetic data were analyzed in 935 embryos, derived from 316 patients undergoing intracytoplasmic sperm injection cycle with preimplantation genetic testing (PGT) for aneuploidy, individually cultured in a TLI incubator until Day 5 of development. Timing of morphokinetic variables, the incidences of multinucleation, and Known Implantation Data Score (KIDScore)-Day 5 were compared between euploid (n = 352) and aneuploid embryos (n = 583). Aneuploid embryos showed significantly longer timing to complete specific morphokinetic parameters compared to euploidy embryos. Euploidy embryos also showed a significantly higher KIDScore when compared with the aneuploidy ones. Our evidence suggests that TLI monitoring may be an adjunct approach to select embryos for PGT; however, cautious investigation is still needed.


Assuntos
Diagnóstico Pré-Implantação , Gravidez , Feminino , Humanos , Masculino , Diagnóstico Pré-Implantação/métodos , Imagem com Lapso de Tempo , Estudos Retrospectivos , Sêmen , Testes Genéticos/métodos , Fertilização in vitro , Aneuploidia , Blastocisto
5.
Reprod Biomed Online ; 45(4): 652-660, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-35940974

RESUMO

RESEARCH QUESTION: Does oocyte immaturity rate affect morphokinetic events in a time-lapse imaging (TLI) system? DESIGN: Historical cohort study carried out in a private university-affiliated IVF centre. Injected oocytes (n = 3368) cultured in a TLI incubator, from intracytoplasmic sperm injection (ICSI) cycles (n = 474) carried out between March 2019 and December 2020, were analysed. The effects of immature oocyte rates (the number of germinal-vesicle and metaphase I oocytes by the number of retrieved oocytes in each cycle, on morphokinetic events) were investigated considering clustering of data using mixed models. Evaluated kinetic markers were pronuclei appearance (tPNa), timing to pronuclei fading (tPNf), timing to two (t2), three (t3), four (t4), five (t5), six (t6), seven (t7), and eight cells (t8), timing to morulae (tM) and timing to start of blastulation (tSB) and to blastulation (tB). Durations of the second (t3-t2) and third (t5-t3) cell cycles (cc2 and cc3, respectively) and timing to complete synchronous divisions s1 (t2-tPNf), s2 (t4-t3) and s3 (t8-t5) were also evaluated. RESULTS: Positive relationships were observed between oocyte immaturity rates and slower tPNa, tPNf, t2, t3, t4, t5, t6, t7, t8, tSB, tB and cc3. Multinucleation at two- and four-cell stages were positively correlated with oocyte immaturity rate. The KIDScore ranking was negatively correlated with oocyte immaturity rate. No associations were found between oocyte immaturity rate and clinical outcomes. CONCLUSIONS: Increasing oocyte immaturity rate correlates with delayed cell cleavage and blastulation. These findings highlight the importance of TLI for the identification and de-selection of slow-growing embryos for transfer, in cycles with high oocyte immaturity rate.


Assuntos
Desenvolvimento Embrionário , Sêmen , Animais , Estudos de Coortes , Técnicas de Cultura Embrionária , Masculino , Oócitos , Estudos Retrospectivos , Imagem com Lapso de Tempo
6.
Andrologia ; 54(8): e14485, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-35698244

RESUMO

The objective of this cross-sectional study was to investigate the impact of paternal age on the outcomes of intracytoplasmic sperm injection (ICSI) cycles at different values of maternal age. A total of 21,960 injected oocytes deriving from 3837 ICSI cycles performed between January 2014 and October 2020, performed in a private university-affiliated in vitro fertilization centre was included. The main effects of maternal and paternal age, as well as the effect of their product (interaction term) on embryo development and pregnancy outcomes were investigated considering the clustering of data. The coefficients for the interaction term were statistically significant for blastocyst development, top-quality blastocyst, implantation, pregnancy, miscarriage, and live-birth rates. For every 1-year increase in paternal age, the odds ratio of live-birth reduces by 1% in females aged 37 years, 1.6% in those aged 38 years, 2.4% in 39-year-old females, 5% in 42-year-old females and so on. An increase in the interaction term by 1 year decreases the pregnancy rate by 0.4% and live-birth rate by 0.8 and increases the miscarriage rate by 1.2%. The slopes of maternal age on blastulation, blastocyst quality, and implantation, pregnancy, miscarriage, and live-birth rate significantly changed (worsened) for every year increase in paternal age.


Assuntos
Aborto Espontâneo , Injeções de Esperma Intracitoplásmicas , Aborto Espontâneo/epidemiologia , Envelhecimento , Análise por Conglomerados , Estudos Transversais , Feminino , Fertilização in vitro , Humanos , Masculino , Idade Materna , Oócitos , Gravidez , Taxa de Gravidez , Estudos Retrospectivos , Sêmen
7.
Diagnostics (Basel) ; 12(2)2022 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-35204586

RESUMO

Accelerated and premature cardiovascular calcification is a hallmark of chronic kidney disease (CKD) patients. Valvular calcification (VC) is a critical indicator of cardiovascular disease and all-cause mortality in this population, lacking validated biomarkers for early diagnosis. Gla-rich protein (GRP) is a cardiovascular calcification inhibitor recently associated with vascular calcification, pulse pressure, mineral metabolism markers and kidney function. Here, we examined the association between GRP serum levels and mitral and aortic valves calcification in a cohort of 80 diabetic patients with CKD stages 2-4. Mitral and aortic valves calcification were detected in 36.2% and 34.4% of the patients and associated with lower GRP levels, even after adjustments for age and gender. In this pilot study, univariate, multivariate and Poisson regression analysis, show that low levels of GRP and magnesium (Mg), and high levels of phosphate (P) are associated with mitral and aortic valves calcification. Receiver operating characteristic (ROC) curves showed that the area under the curve (AUC) values of GRP for mitral (0.762) and aortic (0.802) valves calcification were higher than those of Mg and P. These results suggest that low levels of GRP and Mg, and high levels of P, are independent and cumulative risk factors for VC in this population; the GRP diagnostic value might be potentially useful in cardiovascular risk assessment.

8.
Porto Biomed J ; 6(4): e137, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34368489

RESUMO

INTRODUCTION: the prognosis of spontaneous intracerebral hemorrhage (SICH) remains poor. Understanding gender differences can clarify the clinico-epidemiological and process of care related factors that influence SICH prognosis. We analyzed the long-term gender differences of mortality after SICH in Algarve, southern Portugal. PATIENTS AND METHODS: analysis of consecutive community representative of SICH survivors (2009-2015). Logistic regression analysis and Kaplan-Meier method was used to assess gender differences on 1-year mortality and survival. We further analyzed if differences exist between 4 age and gender based subgroups (women <75 years, women ≥75 years, men <75 years, men ≥75 years). RESULTS: a total of 285 survivors were analyzed; majority men (66.3%). Women were 2 years older on average. Overall case fatality was 11.6% [CI: 8.3-15.8]. A non-statistically significant (P = .094) higher case-fatality rate was observed in women; men were more frequently admitted to stroke unit; women had more often poor functional outcome or modified Rankin scale (mRS) ≥3. Predictors of death were: being women with ≥ 75 years, in-hospital pneumonia and hospital discharge mRS ≥3. The likelihood of death was higher in women ≥75 years (OR = 2.91 [1.23-8.1], P = .035) in comparison to women <75 years and men ≥75 years. Women <75 years had the longest survivor time, whereas women ≥75 years the shortest survivor time (P < .001). CONCLUSION: gender and age interact to influence long-term mortality after SICH. Women ≥75 years are at increased risk of death and have reduced survival after SICH in southern Portugal. Further studies are needed to clarify the biological or social factors contributing for the poor prognosis in the very old women in the region.

9.
Eur Geriatr Med ; 12(6): 1267-1273, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34156657

RESUMO

AIM: The incidence of spontaneous intracerebral hemorrhage (SICH) increases with age. Data on SICH mortality in the very old are sparse. We aimed to describe the predictors of 30-day SICH mortality in the very elderly in southern Portugal. METHODS: A total of 256 community representative SICH patients aged ≥ 75 years (2009-2016) were included. Multiple logistic regression was used to identify predictors of 30-day mortality. RESULTS: Mean age was 82.1 years; 57.4% males. The 30-day case fatality was 38.7%. The frequency of patients taking anticoagulants (29.3% vs. 11.5%); comatose (46.9% vs. 2.5%); with hematoma volume ≥ 30 mL (64.6% vs. 13.4%); intraventricular dissection (78.8% vs. 27.4%) was higher in deceased patients (p < 0.05). Survivors were more often admitted to stroke unit (SU) (68.2 vs. 31.3%) and had lower mean admission glycaemia values (p < 0.05). The likelihood of death was increased in patients with higher admission hematoma volume (≥ 30 mL) (OR: 8.817, CI 1.753-44.340, p = 0.008) and with prior to SICH history of ≥ 2 hospitalizations OR = 1.022, CI 1.009-1.069, p = 0.031). Having higher Glasgow coma scale score, OR: 0.522, CI 0.394-0.692, p < 0.001, per unit was associated with reduced risk of death. Age was not an independent risk factor of short-term death. CONCLUSIONS: The short-term mortality is high in very elderly SICH. Prior to SICH history of hospitalization, an indirect and gross marker of coexistent functional reserve, not age per se, increases the risk of short-term death. Other predictors of short-term death are potentially manageable reinforcing the message against any defeatist attitude toward elderly patients with SICH.


Assuntos
Hemorragia Cerebral , Hematoma , Idoso , Idoso de 80 Anos ou mais , Hemorragia Cerebral/complicações , Hemorragia Cerebral/epidemiologia , Feminino , Escala de Coma de Glasgow , Hematoma/complicações , Hematoma/epidemiologia , Humanos , Masculino , Prognóstico , Fatores de Risco
10.
F S Sci ; 2(4): 345-354, 2021 11.
Artigo em Inglês | MEDLINE | ID: mdl-35559859

RESUMO

OBJECTIVE: To study whether time-lapse imaging can identify morphokinetic events impacted by a high sperm DNA fragmentation index (DFI). DESIGN: Historical cohort study. SETTING: Private university-affiliated in vitro fertilization center. PATIENT(S): A total of 978 zygotes cultured until day 5 in a time-lapse imaging incubator between March 2019 and August 2020, derived from 118 patients undergoing intracytoplasmic sperm injection as a result of idiopathic male factor infertility. INTERVENTION(S): Kinetic markers from the point of insemination were recorded. Generalized linear mixed models adjusted for potential confounders followed by the Bonferroni post hoc test were used to compare the timing of specific events in patients with a low (<30%) or high (≥30%) sperm DFI. The recorded kinetic markers were the following: timing to pronuclei appearance and fading; timing to 2, 3, 4, 5, 6, 7, and 8 cells; and timing to start blastulation and blastulation. MAIN OUTCOME MEASURE(S): Timing to blastulation. RESULT(S): Embryos derived from sperm samples with ≥30% DFI showed significantly slower divisions compared with those with <30% DFI (mean differences of 0.7 hours in timing to pronuclei appearance, 1.2 hours in timing to pronuclei fading, 1.5 hours in timing to 2 cells, 2.5 hours in timing to 3 cells, 1.8 hours in timing to 4 cells, 3.3 hours in timing to 5 cells, 3.1 hours in timing to 6 cells, 3.2 hours in timing to 7 cells, 2.7 hours in timing to 8 cells, 8.4 hours in timing to start blastulation, and 3.8 hours in timing to blastulation). The incidences of reverse or direct cleavages (9.3% vs. 4.4%; odds ratio [OR], 2.24; 95% confidence interval [CI], 1.32-3.77) and multinucleation at 2-cell (18.9% vs. 12.0%; OR, 1.70; 95% CI, 1.12-2.58) and 4-cell (14.2% vs. 6.4%; OR, 2.42; 95% CI, 1.57-3.74) stages were significantly higher in embryos deriving from ≥30% DFI than from <30% DFI. The KIDScore ranked significantly different between embryos derived from samples with <30% and ≥30% DFI. Continuous DFI was positively correlated with all timings of specific events and with the incidences of abnormal cleavage patterns (OR, 1.042; 95% CI, 1.025-1.059) and multinucleation at 2-cell stage (OR, 1.053; 95% CI, 1.030-1.076) and inversely correlated with the KIDScore rank (B, -0.218; 95% CI, -0.044 to -0.007). No significant differences were observed in clinical outcomes between the groups. CONCLUSION(S): Embryo morphokinetic parameters are negatively impacted by high sperm DFI, resulting in delayed cell cleavage and blastulation.


Assuntos
Técnicas de Cultura Embrionária , Infertilidade Masculina , Blastocisto , Estudos de Coortes , Fragmentação do DNA , Humanos , Infertilidade Masculina/diagnóstico , Masculino , Estudos Retrospectivos , Espermatozoides
11.
J Clin Med ; 9(3)2020 Feb 27.
Artigo em Inglês | MEDLINE | ID: mdl-32120910

RESUMO

Vascular calcification (VC) is one of the strongest predictors of cardiovascular risk in chronic kidney disease (CKD) patients. New diagnostic/prognostic tools are required for early detection of VC allowing interventional strategies. Gla-rich protein (GRP) is a cardiovascular calcification inhibitor, whose clinical utility is here highlighted. The present study explores, for the first time, correlations between levels of GRP in serum with CKD developmental stage, mineral metabolism markers, VC and pulse pressure (PP), in a cohort of 80 diabetic patients with mild to moderate CKD (stages 2-4). Spearman's correlation analysis revealed a positive association of GRP serum levels with estimated glomerular filtration rate (eGFR) and α-Klotho, while a negative correlation with phosphate (P), fibroblast growth factor 23 (FGF-23), vascular calcification score (VCS), PP, calcium (x) phosphate (CaxP) and interleukin 6 (IL-6). Serum GRP levels were found to progressively decrease from stage 2 to stage 4 CKD. Multivariate analysis identified low levels of eGFR and GRP, and high levels of FGF-23 associated with both the VCS and PP. These results indicate an association between GRP, renal dysfunction and CKD-mineral and bone disorder. The relationship between low levels of GRP and vascular calcifications suggests a future, potential utility for GRP as an early marker of vascular damage in CKD.

12.
Clin Neurol Neurosurg ; 191: 105696, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-32014803

RESUMO

OBJECTIVES: The case fatality from spontaneous ICH (SICH) remains high. The quality and intensity of early treatment is one of the determinants of the outcome. We aimed to study the association of early intensive care, using the Intracerebral Hemorrhage-Specific Intensity of Care Quality Metrics (IHSICQM) with the 30-day in-hospital mortality in Algarve, Portugal. PATIENTS AND METHODS: analysis of prospective collected data of 157 consecutive SICH patients (2014-2016). Logistic regression was performed to assess the role of IHSICQM on the 30-day in-hospital mortality controlling for the most common clinical and radiological predictors of death. Receiver operating characteristic (ROC) curve was developed to evaluate the prediction accuracy of the IHSICQM score (C-statistics). RESULTS: forty-five (29 %) patients died. The group of deceased patients had lower intensity of care (lower IHSICQM score) and higher proportion of poor prognosis associated factors (pre-ICH functional dependency, intraventricular dissection/glycaemia). On the multivariate analysis, higher IHSICQM was associated with reduction of the odds of death, 0.27 (0.14-0.50) per each increasing point. The ROC curve showed a high discriminating ability of isolated IHSICQM in predicting the 30-day mortality (AUC = 0,95; 95 % CI = [0,86; 0,95]). CONCLUSION: the early intensity of quality of care independently predicts the 30-day in-hospital mortality. Quantification of the intensity of SICH is a valid tool to persuade improvement of SICH care, as well to help comparison of performances within and between hospitals.


Assuntos
Cuidados Críticos/normas , Acidente Vascular Cerebral Hemorrágico/terapia , Qualidade da Assistência à Saúde , Idoso , Idoso de 80 Anos ou mais , Transtornos de Deglutição/diagnóstico , Serviço Hospitalar de Emergência , Nutrição Enteral , Feminino , Escala de Coma de Glasgow , Pneumonia Associada a Assistência à Saúde/terapia , Acidente Vascular Cerebral Hemorrágico/mortalidade , Humanos , Hipertensão/terapia , Unidades de Terapia Intensiva , Hipertensão Intracraniana/terapia , Intubação Intratraqueal , Masculino , Programas de Rastreamento , Pessoa de Meia-Idade , Monitorização Fisiológica , Neuroimagem , Portugal , Respiração Artificial , Convulsões/terapia , Estado Epiléptico/terapia , Úlcera Gástrica/prevenção & controle , Fatores de Tempo , Tempo para o Tratamento , Traqueostomia , Trombose Venosa/prevenção & controle
13.
Clin Neurol Neurosurg ; 176: 67-72, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30529654

RESUMO

OBJECTIVES: The association between short-term ambient particulate matter ≤ 2.5 µm diameter (PM2.5) and spontaneous intracerebral hemorrhage (SICH) occurrence is unclear. We aimed to study the association of ambient PM2.5 with occurrence of SICH in an area of low air pollution in southern Portugal. PATIENTS AND METHODS: PM2.5 levels from the 3 days before the SICH event (Lag 1, 2, 3) was compared with one control period (Lag 15-17) using a case-crossover analysis. Conditional logistic regression was used to estimate the odds ratio (OR) with 95% confidence interval (CI). Analysis was stratified by gender, age, functional neurological status, type of SICH, environmental factors (temperature, humidity, time of day and season). RESULTS: Three-hundred and eight patients were included (2010-2015); mean age 70.8 years, 62.8% were males. The mean values (µg/l) of PM2.5 were higher on the case days (Lag1 = 7.76, Lag2 = 7.64, Lag3 = 7.74) compared to control period (Lag14-17 = 6.77). For each 10 µg/l increase, the likelihood of SICH increased 5.7% (95% CI = 1.020-1.095. P = .002). The strength of the association was higher in patients younger than 70 years (OR = 1.064, 95% CI = 1.009-1.122); without prior to SICH neurological disability (OR = 1.061, 95% CI 1.022-1.101); with non-lobar type (OR = 1.054, 95% CI = 1.012-1.099). A circadian and circannual pattern was present with increased strength of the association when SICH occurred in the morning time (OR = 1,067, 95% CI = 1.012-1.125), in the fall (OR = 1.118, 95% CI = 1.031-1.213) and the in the winter (OR = 1.064, 95% CI = 1.002-1.129). The association was also potentiated at lower temperature values. CONCLUSION: Short-term increases of PM2.5 are associated with occurrence of SICH in Algarve, a region of low ambient pollution. Patient and ambient level factors can influence the strength of this association.


Assuntos
Hemorragia Cerebral/etiologia , Exposição Ambiental , Material Particulado/efeitos adversos , Adulto , Idoso , Idoso de 80 Anos ou mais , Hemorragia Cerebral/complicações , Feminino , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Portugal , Estações do Ano , Temperatura
15.
Neurohospitalist ; 8(4): 166-170, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30245765

RESUMO

BACKGROUND: The long-term prognosis of spontaneous intracerebral hemorrhage (SICH) is poor. Frequent emergency department (ED) visits can signal increased risk of hospitalization and death. There are no studies describing the risk of frequent ED visits after SICH. METHODS: Retrospective cohort study of a community representative consecutive SICH survivors (2009-2015) from southern Portugal. Logistic regression analysis was performed to identify sociodemographic and clinical factors associated with frequent ED visits (≥4 visits) within the first year after hospital discharge. RESULTS: A total of 360 SICH survivors were identified, 358 (98.6%) of whom were followed. The median age was 72; 64% were males. The majority of survivors (n = 194, 54.2%) had at least 1 ED visit. Reasons for ED visits included infections, falls with trauma, and isolated neurological symptoms. Forty-four (12.3%) SICH survivors became frequent ED visitors. Frequent ED visitors were older and had more hospitalizations (P < .001) and ED visits (P < .001) prior to the SICH, unhealthy alcohol use (P = .049), longer period of index SICH hospitalization (P = .032), pneumonia during hospitalization (P = .001), and severe neurological impairment at discharge (P = .001). Pneumonia during index hospitalization (odds ratio [OR]: 3.08; confidence interval [CI]: 1.39-6.76; P = .005) and history of ED visits prior to SICH (OR: 1.64; CI: 1.19-2.26, P = .003) increased the likelihood of becoming a frequent ED visitor. CONCLUSIONS: Predictors of frequent ED visits are identifiable at hospital discharge and during any ED visit. Improvement of transitional care and identification of at-risk patients may help reduce multiple ED visits.

16.
Clin Neurol Neurosurg ; 169: 144-148, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29665499

RESUMO

OBJECTIVES: Spontaneous intracerebral hemorrhage (SICH) survivors are at risk of hospital readmissions. Data on readmissions after SICH is scarce. We aimed to study the frequency and predictors of readmissions after SICH in Algarve, Portugal. PATIENTS AND METHODS: Retrospective study of a community representative cohort of SICH survivors (2009-2015). The first unplanned readmission in the first year after discharge was the outcome. Cox regression analysis was performed to identify predictors of 1-year readmission. RESULTS: Of the 357 SICH survivors followed, 116 (32.5%) were readmitted within the first-year. Sixty-seven (18.8%) of the survivors were early readmitted (<90 days), corresponding to 57.8% or all readmissions. Common causes were pneumonia, endocrine/nutritional/metabolic and cardiovascular complications. The risk of readmission was increased by prior to index SICH history of ≥ 3 previous emergency department visits (hazards ratio (HR) = 2.663 (1.770-4.007); P < 0.001), pneumonia during index hospitalization (HR = 2.910 (1.844-4.592); P < 0.001) and reduced in patients discharge home (HR = 0.681 (0.366-0.976); P = 0.048). CONCLUSIONS: The rate of readmissions after SICH is high, predictors are identifiable and causes are potentially preventable. Improvement of care can potentially reduce this burden.


Assuntos
Hemorragia Cerebral/diagnóstico por imagem , Hemorragia Cerebral/epidemiologia , Readmissão do Paciente/tendências , Idoso , Idoso de 80 Anos ou mais , Hemorragia Cerebral/terapia , Estudos de Coortes , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Portugal/epidemiologia , Estudos Retrospectivos , Fatores de Risco
17.
J Stroke Cerebrovasc Dis ; 27(2): 346-351, 2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-29102391

RESUMO

BACKGROUND: The short-term outcome from spontaneous intracerebral hemorrhage (SICH) is influenced by local quality of care and population specificities. There are no studies about the SICH mortality in southern Portugal. The objective of this study was to describe the predictors of 30-day in-hospital SICH mortality in Algarve, the southernmost region of Portugal. METHODS: Logistic regression was used to identify predictors of in-hospital death. Kaplan-Meier analysis was used to estimate survival over time based on SICH severity. RESULTS: Of the 549 cases, 349 (63.6%) were men; the mean age was 71.4 years. Two hundred seventeen patients (39.5%) did not receive stroke unit (SU) care. The 30-day mortality was 34.4%. Independent predictors of death were older age (odds ratio [OR] = 1.096, 95% confidence interval [CI] = 1.031-2.062, P = .022) per additional year, vitamin K antagonists use (OR = 5.464, 95% CI = 2.088-25.714, P = .043), admission Glasgow Coma Scale (GCS) score of 8 or lower (OR = 20.511, 95% CI = 7.862-62.168, P < .0001) or GCS score of 9-12 (OR = 12.709, 95% CI = 3.078-44.113, P < .0001), hematoma volume (OR = 1.037, 95% CI = 1.004-1.071, P = .028) per additional milliliter, intraventricular dissection (OR = 1.916, 95% CI = 1.105-4.566, P = .046), and pneumonia (OR 12.918, 95% CI = 4.603-24.683, P < .0001). SU care was independently associated with reduction of death (OR .395, 95% CI = .126-.635, P = .004). Severity correlated with short time to death (P < .0001). Sixty-five of the patients (39.2%) died after the seventh day of SICH ("non-neurological deaths"). CONCLUSIONS: The in-hospital 30-day mortality is high in the region. Admitting more patients to the SU and implementation of preventive strategies of complications can reduce mortality.


Assuntos
Hemorragia Cerebral/mortalidade , Mortalidade Hospitalar , Idoso , Idoso de 80 Anos ou mais , Hemorragia Cerebral/diagnóstico , Hemorragia Cerebral/terapia , Distribuição de Qui-Quadrado , Feminino , Humanos , Estimativa de Kaplan-Meier , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Razão de Chances , Portugal/epidemiologia , Estudos Retrospectivos , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento
18.
J Neurol Sci ; 380: 74-78, 2017 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-28870593

RESUMO

BACKGROUND: There is scarce information on incidence and case fatality of spontaneous intracerebral hemorrhage (SICH) in certain regions of the world, including in Europe. There is no community-based data on SICH in Southern Portugal. AIM: To determine the incidence and early case-fatality from SICH in Algarve, the southernmost region of Portugal. METHODS: The recommended criteria for stroke incidence studies was used to identify cases of incident first-ever SICH from January 1st to December 31st 2015 in a subregion with 280,081 inhabitants. Crude incidence rates per age group and gender; standardized rates to the European population; and age adjusted case fatality rates were calculated. RESULTS: Eighty-two first-ever cases of SICH (64.6% men) occurred. The mean age was 72.3 years (SD±12.1); women were 3 years older than men on average and had more frequently lobar SICH. The crude annual incidence rate was 29.2/100,000 (95% CI 23.4- 38.6; p<0.001); higher in men (39.7/100,000) than women (19.8/100,000). The standardized to the European population incidence was 15.1/100,000 (95% CI 3.6-18.9; p<0.05); 26.9 and 10.9/100,000 for men and women respectively. The 30-day case-fatality was 40 % (95% CI 29-51) and increased steeply with age CONCLUSION: The incidence of SICH in Southern Portugal was high, but within the figures found in some parts of Europe. However, a marked predominance of males was found and the case-fatality rate was amongst the highest reported in western countries.


Assuntos
Hemorragia Cerebral/mortalidade , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Geografia Médica , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Portugal/epidemiologia , Estudos Prospectivos , Fatores Sexuais , Acidente Vascular Cerebral/mortalidade
20.
Int J Endocrinol ; 2015: 308190, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26089881

RESUMO

Background. Mitral valve calcification and intima media thickness (IMT) are common complications of chronic kidney disease (CKD) implicated with high cardiovascular mortality. Objective. To investigate the implication of magnesium and fibroblast growth factor-23 (FGF-23) levels with mitral valve calcification and IMT in CKD diabetic patients. Methods. Observational, prospective study involving 150 diabetic patients with mild to moderate CKD, divided according to Wilkins Score. Carotid-echodoppler and transthoracic echocardiography were used to assess calcification. Statistical tests used to establish comparisons between groups, to identify risk factors, and to establish cut-off points for prediction of mitral valve calcification. Results. FGF-23 values continually increased with higher values for both IMT and calcification whereas the opposite trend was observed for magnesium. FGF-23 and magnesium were found to independently predict mitral valve calcification and IMT (P < 0.05). Using Kaplan-Meier analysis, the number of deaths was higher in patients with lower magnesium levels and poorer Wilkins score. The mean cut-off value for FGF-23 was 117 RU/mL and for magnesium 1.7 mg/dL. Conclusions. Hypomagnesemia and high FGF-23 levels are independent predictors of mitral valve calcification and IMT and are risk factors for cardiovascular mortality in this population. They might be used as diagnostic/therapeutic targets in order to better manage the high cardiovascular risk in CKD patients.

SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA