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Article ; Online: Twin births in Yucatan, Mexico during 2008-2020: trends in maternal sociodemographic factors and differences in birth weight and length according to sex of co-twin.

Azcorra, Hugo / Marin-Cardenas, Alina Dione / Villanueva-Toledo, Jairo R / Mendez-Dominguez, Nina

The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians

2024 Volume 37, Issue 1, Page(s) 2329952

Abstract: Background: ...

Abstract	Background:
MeSH term(s)	Pregnancy ; Infant, Newborn ; Female ; Male ; Humans ; Birth Weight ; Pregnancy, Twin ; Mexico/epidemiology ; Premature Birth/epidemiology ; Retrospective Studies ; Sociodemographic Factors
Language	English
Publishing date	2024-03-19
Publishing country	England
Document type	Journal Article
ZDB-ID	2077261-0
ISSN	1476-4954 ; 1057-0802 ; 1476-7058
ISSN (online)	1476-4954
ISSN	1057-0802 ; 1476-7058
DOI	10.1080/14767058.2024.2329952
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Zs.A 3510: Show issues

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Article ; Online: Attitudes, Behaviors, and Perceptions of Students Vaping in Three Mexican Universities.

Carrillo, Genny / Mendez-Dominguez, Nina I / Acosta Enriquez, Maria Elena / Morán-Martínez, Javier

International journal of environmental research and public health

2024 Volume 21, Issue 4

Abstract: The increase in the popularity and use of electronic cigarettes (e-cigarettes) has consistently risen worldwide and has become associated with adverse health outcomes. This study has identified the attitudes and perceptions of undergraduate students who ... ...

Abstract	The increase in the popularity and use of electronic cigarettes (e-cigarettes) has consistently risen worldwide and has become associated with adverse health outcomes. This study has identified the attitudes and perceptions of undergraduate students who vape in three universities in Mexico. A cross-sectional study involving 495 participants was conducted using a survey from October to December 2023. Three universities in different states in Mexico collaborated with colleges in Yucatan, Durango, and Nuevo Leon, Mexico. Descriptive statistics include frequencies and percentages, and four logistic regression models were employed. In the sample, 31% and 17.54% of participants reported smoking and vaping, respectively. Students who reported vaping in the last month reported that their first experience with vaping was at an average of 17.3 years of age, and of those, 71.26% (n = 62) reported having vaped for over 100 days, while the remaining 38% reported vaping for between 2 and 100 days. Students from Veracruz and Yucatan began vaping at a younger age than in the central and northern regions. There is a need to educate students about the dangers of the chemicals in the liquids they use, the secondary exposure vapers, and the health dangers they pose.
MeSH term(s)	Humans ; Vaping/psychology ; Mexico ; Students/psychology ; Students/statistics & numerical data ; Universities ; Male ; Female ; Young Adult ; Cross-Sectional Studies ; Adolescent ; Adult ; Electronic Nicotine Delivery Systems/statistics & numerical data ; Health Knowledge, Attitudes, Practice ; Surveys and Questionnaires
Language	English
Publishing date	2024-04-10
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2175195-X
ISSN	1660-4601 ; 1661-7827
ISSN (online)	1660-4601
ISSN	1661-7827
DOI	10.3390/ijerph21040464
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Article ; Online: Association between the Thickness of Lumbar Subcutaneous Fat Tissue and the Presence of Hernias in Adults with Persistent, Non-Traumatic Low Back Pain.

Poot-Franco, Jorge Adolfo / Mena-Balan, Anuar / Perez-Navarrete, Adrian / Huchim, Osvaldo / Azcorra-Perez, Hugo / Mendez-Dominguez, Nina

Tomography (Ann Arbor, Mich.)

2024 Volume 10, Issue 2, Page(s) 277–285

Abstract: We aimed to analyze the association between the average lumbar subcutaneous fat tissue thickness (LSFTT) at each intervertebral level and the presence of hernias in patients with low back pain from an insurance network hospital in Mexico. This ... ...

Abstract	We aimed to analyze the association between the average lumbar subcutaneous fat tissue thickness (LSFTT) at each intervertebral level and the presence of hernias in patients with low back pain from an insurance network hospital in Mexico. This observational prospective study included 174 patients with non-traumatic lumbago who underwent magnetic resonance imaging with a 1.5T resonator. Two independent radiologists made the diagnosis, and a third specialist provided a quality vote when needed. The sample size was calculated with a 95% confidence interval using random order selection. Anonymized secondary information was used. Percentages and means with confidence intervals were tabulated. The area under the curve, specificity, and sensitivity of LSFTT were calculated. A regression analysis was performed to analyze the presence of hernias with LSFTT using each intervertebral level as a predictor. The odds of herniation at any intervertebral level increased directly with LSFTT. The average LSFTT predicted the overall presence of hernias; however, the LSFTT at each intervertebral level better predicted hernias for each intervertebral space. The area under the curve for LSFTT in predicting hernias was 68%. In conclusion, the average LSFTT was associated with the overall presence of hernias; patients with more hernias had higher LSFTT values.
MeSH term(s)	Adult ; Humans ; Low Back Pain/diagnostic imaging ; Low Back Pain/complications ; Intervertebral Disc Displacement/complications ; Intervertebral Disc Displacement/diagnostic imaging ; Prospective Studies ; Magnetic Resonance Imaging/methods ; Subcutaneous Fat/diagnostic imaging
Language	English
Publishing date	2024-02-13
Publishing country	Switzerland
Document type	Observational Study ; Journal Article
ISSN	2379-139X
ISSN (online)	2379-139X
DOI	10.3390/tomography10020022
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Article ; Online: Is there a need for more detailed national datasets on acute pancreatitis subtypes? The Mexican perspective.

Datta-Banik, Rudradeep / Lozano-Salazar, Ruben R / Mendez-Dominguez, Nina

ANZ journal of surgery

2022 Volume 92, Issue 9, Page(s) 2395–2396

MeSH term(s)	Acute Disease ; Humans ; Mexico/epidemiology ; Pancreatitis/epidemiology
Language	English
Publishing date	2022-09-27
Publishing country	Australia
Document type	Letter ; Comment
ZDB-ID	2050749-5
ISSN	1445-2197 ; 1445-1433 ; 0004-8682
ISSN (online)	1445-2197
ISSN	1445-1433 ; 0004-8682
DOI	10.1111/ans.17848
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Zs.A 180: Show issues

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Article ; Online: Birthweight and its association with cardiometabolic risk parameters in rural Maya children from Yucatan, Mexico.

Lara-Riegos, Julio / Azcorra, Hugo / Salazar-Rendón, Juan Carlos / Arana-Argáez, Víctor / Castillo-Burguete, María Teresa / Mendez-Dominguez, Nina

Annals of human biology

2024 Volume 51, Issue 1, Page(s) 2323037

Abstract: Background: Knowledge about the influence of early developmental factors on cardiometabolic health in the Maya is limited.: Aim: To analyse the relationship between birthweight (BW) and cardiometabolic parameters in a sample of rural Maya children ... ...

Abstract	Background: Knowledge about the influence of early developmental factors on cardiometabolic health in the Maya is limited. Aim: To analyse the relationship between birthweight (BW) and cardiometabolic parameters in a sample of rural Maya children from Yucatan, Mexico. Subjects and methods: We took anthropometric measurements and obtained data on BW and fasting blood samples in a sample of 75 children aged 5-14 years. Dependent variables were: fat mass index (FMI), body mass index (BMI), glucose (G), triglycerides (TG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL), low-density lipoprotein cholesterol (LDL), LDL/HDL and TC/HDL ratios and metabolic index (TGxG/HDL Results: An increase of one standard deviation in BW predicted 6.6% (95% CI [-11.6, -1.6]) decrease in HDL and 11% (95% CI [3.7, 18.4]), 7.8% (95% CI [2.3, 13.2]) and 19.6% (95% CI [3.1, 36]) increases in LDL/HDL, TC/HDL and metabolic index, respectively. Conclusion: Higher birthweights were associated with adverse levels of biochemical parameters in this sample of rural Maya children.
MeSH term(s)	Child ; Humans ; Birth Weight ; Mexico/epidemiology ; Blood Glucose/analysis ; Triglycerides ; Body Mass Index ; Cholesterol, HDL ; Cardiovascular Diseases/epidemiology ; Cardiovascular Diseases/etiology ; Risk Factors
Chemical Substances	Blood Glucose ; Triglycerides ; Cholesterol, HDL
Language	English
Publishing date	2024-03-13
Publishing country	England
Document type	Journal Article
ZDB-ID	186656-4
ISSN	1464-5033 ; 0301-4460
ISSN (online)	1464-5033
ISSN	0301-4460
DOI	10.1080/03014460.2024.2323037
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Zs.A 1019: Show issues

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Article ; Online: Demographic and Health Indicators in Correlation to Interstate Variability of Incidence, Confirmation, Hospitalization, and Lethality in Mexico: Preliminary Analysis from Imported and Community Acquired Cases during COVID-19 Outbreak.

Mendez-Dominguez, Nina / Alvarez-Baeza, Alberto / Carrillo, Genny

International journal of environmental research and public health

2020 Volume 17, Issue 12

Abstract: This study's objective is to analyze the incidence, lethality, hospitalization, and confirmation of COVID-19 cases in Mexico. Sentinel surveillance for COVID-19 cases in Mexico began after the confirmation of the first patient with community transmission. ...

Abstract	This study's objective is to analyze the incidence, lethality, hospitalization, and confirmation of COVID-19 cases in Mexico. Sentinel surveillance for COVID-19 cases in Mexico began after the confirmation of the first patient with community transmission. Methods
MeSH term(s)	Adolescent ; Adult ; Aged ; Betacoronavirus ; COVID-19 ; Coronavirus Infections/epidemiology ; Coronavirus Infections/mortality ; Cross-Sectional Studies ; Female ; Hospitalization/statistics & numerical data ; Humans ; Incidence ; Male ; Mexico/epidemiology ; Middle Aged ; Pandemics ; Pneumonia, Viral/epidemiology ; Pneumonia, Viral/mortality ; SARS-CoV-2 ; Sentinel Surveillance ; Young Adult
Keywords	covid19
Language	English
Publishing date	2020-06-15
Publishing country	Switzerland
Document type	Journal Article ; Observational Study
ISSN	1660-4601
ISSN (online)	1660-4601
DOI	10.3390/ijerph17124281
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Article ; Online: Development of birthweight and length for gestational age and sex references in Yucatan, Mexico.

Azcorra, Hugo / Dickinson, Federico / Mendez-Dominguez, Nina / Mumm, Rebekka / Valentín, Graciela

American journal of human biology : the official journal of the Human Biology Council

2022 Volume 34, Issue 6, Page(s) e23732

Abstract: Objective: To develop sex- and gestational age specific reference percentiles and curves for birth weight and length for Yucatec neonates using data from birth registers of infants born during 2015-2019.: Material and methods: Observational, ... ...

Abstract	Objective: To develop sex- and gestational age specific reference percentiles and curves for birth weight and length for Yucatec neonates using data from birth registers of infants born during 2015-2019. Material and methods: Observational, descriptive, epidemiologic study in a 5-year period including every registered birth in the state of Yucatan, Mexico using birth registries. A total of 158 432 live, physically healthy singletons (76 442 females and 81 990 males) between 25 and 42 weeks of gestation were included in the analysis. We used the LMS method to construct smoothed reference centiles (3rd, 10th, 25th, 50th, 75th, 95th, and 97th) and curves for males and females separately. Results: Mean maternal age was 26 (SD = 6.22) years. Fifty-two percent of births occurred by vaginal delivery, 37% were firstborn and similar proportions were second (33%) and third or more (30%) born. 5.5% of newborns included in the references corresponds to neonates born before 37 weeks of gestation (5.9% boys and 5.1% girls). In both sexes, the percentage of infants with a birthweight less than 2500 g was 6.7%. The birthweight at the 50th percentile for males and females at 40 weeks of gestation in this cohort was 3256 and 3167 g, respectively, and the corresponding values for birth length were 50.23 and 49.84 cm (mean differences between sexes: 89 g and 0.40 cm, respectively). Conclusion: The reference percentile and curves developed in this study are useful for research purposes and can help health practitioners to assess the biological status of infants born in Yucatán.
MeSH term(s)	Adult ; Birth Weight ; Cohort Studies ; Female ; Gestational Age ; Humans ; Infant ; Infant, Newborn ; Male ; Mexico ; Parturition ; Pregnancy ; Reference Values
Language	English
Publishing date	2022-02-18
Publishing country	United States
Document type	Journal Article
ZDB-ID	1025339-7
ISSN	1520-6300 ; 1042-0533
ISSN (online)	1520-6300
ISSN	1042-0533
DOI	10.1002/ajhb.23732
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Zs.A 2567: Show issues

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Article ; Online: The impact of COVID-19 on the number of births in Yucatan, Mexico.

Azcorra, Hugo / Salazar-Rendón, Juan Carlos / Rodríguez, Luis / Vázquez-Vázquez, Adriana / Mendez-Dominguez, Nina

American journal of human biology : the official journal of the Human Biology Council

2022 Volume 35, Issue 4, Page(s) e23849

Abstract: Objective: To analyze the impact of COVID-19 on the number of births in Yucatan, Mexico during 2020 and 2021.: Material and methods: A total of 470 651 live births occurred in Yucatan from January 1st, 2008, to December 31st, 2021, and were included ... ...

Abstract	Objective: To analyze the impact of COVID-19 on the number of births in Yucatan, Mexico during 2020 and 2021. Material and methods: A total of 470 651 live births occurred in Yucatan from January 1st, 2008, to December 31st, 2021, and were included in the analysis. The monthly number of births observed during January 2008-February 2020 was used to describe pre-pandemic trends. Time-series analysis was applied to examine whether the number of births observed from December 2020 (9 months after the beginning of the pandemic) to December 2021 differed from the expected values. Trends in the number of births according to maternal age, parity and education were examined to identify changes differentiated by sociodemographic characteristics. Results: The number of births in 2021 decreased by 18% (5869 births) compared with 2019, which represents a reduction from 12.89 to 12.48 per thousand inhabitants. The observed number of births from December 2020 to July 2021 was significantly lower than the figure expected. April (expected = 2863 vs. observed = 1722), May (expected = 2948 vs. observed = 1990), and June (expected = 2997 vs. observed = 1978) 2021 showed the largest differences between expected and observed values. Then, from August to December 2021, the observed number of births fell within the expected range. Birth decline was slightly more pronounced among mothers between 20 and 29 years of age and in those without previous offspring. Conclusion: We provide evidence of birth decline in Yucatan during the COVID-19 pandemic. Birth rate reduction in Yucatan doubled the world average and young women without children were the most affected.
MeSH term(s)	Pregnancy ; Child ; Humans ; Female ; Mexico/epidemiology ; Pandemics ; COVID-19/epidemiology ; Birth Rate ; Maternal Age
Language	English
Publishing date	2022-12-07
Publishing country	United States
Document type	Journal Article
ZDB-ID	1025339-7
ISSN	1520-6300 ; 1042-0533
ISSN (online)	1520-6300
ISSN	1042-0533
DOI	10.1002/ajhb.23849
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Article: Calcium Carbonate Urolithiasis in a Pediatric Patient: A Case Report.

Millet-Herrera, Jose L / Méndez-Molina, Ricardo / Milke-Garcia, Andrea M / Cruz-May, Teresa N / Mendez-Dominguez, Nina / Flores-Tapia, Juan P

Cureus

2023 Volume 15, Issue 10, Page(s) e47873

Abstract: Urinary stones composed of calcium carbonate are extremely rare, accounting for 0.01%-1.4% of urolithiasis (UL) cases. Urolithiasis is an infrequent condition in the pediatric population worldwide and in Mexico; nevertheless, the incidence in the Yucatán ...

Abstract	Urinary stones composed of calcium carbonate are extremely rare, accounting for 0.01%-1.4% of urolithiasis (UL) cases. Urolithiasis is an infrequent condition in the pediatric population worldwide and in Mexico; nevertheless, the incidence in the Yucatán Peninsula is higher than that reported in other areas of Mexico and the world. Urolithiasis is the second most common urinary disease among pediatrics in the Yucatán Peninsula, which makes it an endemic region for this disease. We describe the case of a five-year-old male from the southeast region of Mexico who presented with signs and symptoms of urinary tract infection (UTI) and was diagnosed with bilateral staghorn stones of calcium carbonate, successfully treated by mini endoscopic combined intra-renal surgery, and dietary adjustments to prevent recurrence.
Language	English
Publishing date	2023-10-28
Publishing country	United States
Document type	Case Reports
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.47873
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Article: Hepatic rupture secondary to HELLP syndrome: outcomes in three cases.

Gomez-Carro, Salvador / Lozano-Salazar, Ruben R / Santos-Zaldívar, Kassandra / Villasuso-Alcocer, Victor Andres / Méndez-Domínguez, Nina

World journal of emergency medicine

2023 Volume 15, Issue 1, Page(s) 56–58

Language	English
Publishing date	2023-10-06
Publishing country	China
Document type	Journal Article
ZDB-ID	2753264-1
ISSN	1920-8642
ISSN	1920-8642
DOI	10.5847/wjem.j.1920-8642.2024.003
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