Refractive change and incidence of myopia among rural Chinese children: the Handan Offspring Myopia Study

2021 ◽  
pp. bjophthalmol-2020-317811
Author(s):  
Zhong Lin ◽  
Balamurali Vasudevan ◽  
Tieying Gao ◽  
Hongjia Zhou ◽  
Kenneth J Ciuffreda ◽  
...  
Keyword(s):  
Risk Factors ◽  
Relative Risk ◽  
Axial Length ◽  
Urban Areas ◽  
Length Change ◽  
Rural Children ◽  
Study Cohort ◽  
Younger Age ◽  
Refractive Change

PurposeTo assess the refractive change and incidence of myopia, as well as their risk factors, among Chinese rural children aged 6–17 years.MethodsChildren who completed the baseline vision examination of the Handan Offspring Myopia Study were re-examined, including both cycloplegic and non-cyloplegic autorefraction, with a mean follow-up time of 42.4±1.47 months.ResultsA total of 601 children (68.5%) who completed both baseline and the follow-up examinations were enrolled. The cumulative refractive change and axial length change were −0.53±1.03 diopter and 0.39±0.46 mm (−0.15 diopter/year and 0.11 mm/year), respectively. A hundred and five out of the 469 non-myopic children at baseline become myopic at the follow-up, yielding a cumulative myopia incidence of 22.4% (95% CI: 18.6% to 26.2%), or annual myopia incidence of 6.3%. After adjustment, younger age (β=0.08, p<0.001), more myopic baseline refraction (β=0.31, p<0.001), larger difference between cycloplegic and non-cycloplegic refraction (β=−0.20, p=0.007) and more myopic paternal refraction (β=0.09, p=0.007) were found to be associated with more rapid myopic refractive change. More myopic baseline refraction (relative risk (RR), 95% CI: 0.19, 0.13–0.28, p<0.001) and more myopic paternal refraction (RR, 95% CI: 0.92, 0.84–1.00, p=0.039) were also associated with myopia incidence.ConclusionRelatively low myopic refractive change and myopia incidence were found in this study cohort. Children’s refraction and paternal refraction were associated with both myopic refractive change and myopia incidence. Such information will be helpful for further comparisons in other rural versus urban areas of China, and other countries.

scholarly journals Neighborhood sidewalk environment and incidence of dementia in older Japanese adults: the Japan Gerontological Evaluation Study cohort

2021 ◽  
Author(s):  
Yukako Tani ◽  
Masamichi Hanazato ◽  
Takeo Fujiwara ◽  
Norimichi Suzuki ◽  
Katsunori Kondo
Keyword(s):  
Urban Areas ◽  
Developed Countries ◽  
Evaluation Study ◽  
Community Dwelling ◽  
Grocery Stores ◽  
Study Cohort ◽  
Term Care ◽  
Residential Neighborhood ◽  
Incidence Of Dementia

Abstract Sidewalks are indispensable environmental resources for daily life in that they encourage physical activity. However, the percentage of sidewalks installation is low even in developed countries. We examined the association between neighborhood sidewalk environment and dementia in Japan. We conducted a 3-year follow-up (2010-2013) among participants in a Japan Gerontological Evaluation Study, a population-based cohort study of community-dwelling older adults. We ascertained the incidence of dementia for 76,053 participants from the public long-term care insurance system. We calculated sidewalk coverage (sidewalk area as a percentage of road area) within 436 residential neighborhood units using the geographic information system. Multilevel survival models were used to estimate hazard ratios (HR) for the incidence of dementia. During the follow-up, 5310 dementia cases were found. In urban areas, compared with the lowest quartile for sidewalk coverage, the HR was 0.42 (95% confidence interval (CI): 0.33–0.54) for the highest quartile, adjusting for individual covariates. After successive adjustments for other neighborhood factors (land slope, numbers of hospitals, grocery stores, parks, stations and bus stops, education level, and unemployment rate), the HR remained statistically significant (HR=0.75, 95% CI: 0.59–0.94). Living in neighborhoods with high sidewalks installation was associated with low dementia incidence in urban areas.

scholarly journals Risk Factors for Non-union in First MTPJ Arthrodesis

2018 ◽  
Vol 3 (3) ◽  
pp. 2473011418S0035 ◽  
Author(s):  
Andrew Molloy ◽  
Clifford Butcher ◽  
Lyndon Mason
Keyword(s):  
Risk Factors ◽  
Relative Risk ◽  
Hallux Valgus ◽  
Locking Plate ◽  
Univariate Analysis ◽  
Dorsal Plate ◽  
First Metatarsophalangeal Joint ◽  
Non Union ◽  
Severe Hallux Valgus

Category: Midfoot/Forefoot Introduction/Purpose: Hallux rigidus occurs in up to 1 in 40 adults with 1st MTPJ arthrodesis being the gold standard operation for advanced disease. Our aim was to retrospectively identify risk factors for delayed / non-union of first metatarsophalangeal joint arthrodesis using a dorsal plate with cross screw. Methods: Case note and radiograph analysis was performed for operations between April 2014 and April 2016 with at least 6 months post-operative follow up. Union was defined as bridging bone across the fusion site on AP and lateral radiographic views with no movement or pain at the MTPJ on examination. All patients operations were performed or directly supervised by one of three fellowship trained consultant foot surgeons. Surgery was performed through a dorsal approach using a dorsal locking plate with compression screw. Blinded preoperative AP radiographs were analysed for the presence of a severe hallux valgus angle equal to or above 40 degrees. Intra-observer reliability was acceptable (95% CI: 1.6-2.3 degrees). Smoking and co-morbidities underwent univariate analysis for significance. Following initial result results, surgery in patients with arthritic hallux valgus were fixed using a separate plantar to dorsal / medial to lateral lag screw and dorsal locking plate Results: 71 patients with a mean age of 61 years (range, 29 to 81) comprised the initial patient group. Mean follow up time was 13 months for both union and nonunion groups (range 6 to 30 months). 7 patients were identified as delayed or nonunion (9.9%). All had hallux valgus angles of >25%. Age, diabetes, COPD and rheumatoid arthritis did not show significant associations with non-union. All smokers progressed to union (n = 17). Moderate to severe hallux valgus (relative risk: 1.29, p < 0.005) and under correction of >25 valgus at the MTPJ (relative risk: 14.44, p < 0.001) were significantly associated with non/delayed union. In the second group, 18 patients of similar demographics, there were no failure of reductions and 100% union rate Conclusion: Preoperative moderate to severe hallux valgus and under-correction of deformity are the most significant risk factors for non-union. The construct used for fixation needs to be chosen on the basis of the deforming forces. If so, excellent union rates can be achieved

scholarly journals Epidemiology of Heart Failure Stages in Middle‐Aged Black People in the Community: Prevalence and Prognosis in the Atherosclerosis Risk in Communities Study

2021 ◽  
Author(s):  
Ramachandran S. Vasan ◽  
Solomon K. Musani ◽  
Kunihiro Matsushita ◽  
Walter Beard ◽  
Olushola B. Obafemi ◽  
...  
Keyword(s):  
Risk Factors ◽  
Myocardial Infarction ◽  
Heart Failure ◽  
Cardiovascular Disease ◽  
Left Ventricular ◽  
Study Cohort ◽  
Atherosclerosis Risk In Communities ◽  
Cardiovascular Morbidity And Mortality ◽  
Atherosclerosis Risk

Background Black individuals have a higher burden of risk factors for heart failure (HF) and subclinical left ventricular remodeling. Methods and Results We evaluated 1871 Black participants in the Atherosclerosis Risk in Communities Study cohort who attended a routine examination (1993–1996, median age 58 years) when they underwent echocardiography. We estimated the prevalences of 4 HF stages: (1) Stage 0 : no risk factors; (2) Stage A : presence of HF risk factors (hypertension, diabetes mellitus, obesity, smoking, dyslipidemia, coronary artery disease without clinical myocardial infarction), no cardiac structural/functional abnormality; (3) Stage B : presence of prior myocardial infarction, systolic dysfunction, left ventricular hypertrophy, regional wall motion abnormality, or left ventricular enlargement; and (4) Stage C/D : prevalent HF. We assessed the incidence of clinical HF, atherosclerotic cardiovascular disease events, and all‐cause mortality on follow‐up according to HF stage. The prevalence of HF Stages 0, A, B, and C/D were 3.8%, 20.6%, 67.0%, and 8.6%, respectively, at baseline. On follow‐up (median 19.0 years), 309 participants developed overt HF, 390 incurred new‐onset cardiovascular disease events, and 651 individuals died. Incidence rates per 1000 person‐years for overt HF, cardiovascular disease events, and death, respectively, were Stage 0, 2.4, 0.8, and 7.6; Stage A, 7.4, 9.7, and 13.5; Stage B 13.6, 15.9, and 22.0. Stage B HF was associated with a 1.5‐ to 2‐fold increased adjusted risk of HF, cardiovascular disease events and death compared with Stages 0/A. Conclusions In our large community‐based sample of Black individuals, we observed a strikingly high prevalence of Stage B HF in middle age that was a marker of high cardiovascular morbidity and mortality.

scholarly journals Respiratory morbidity of preterm infants of less than 33 weeks gestation without bronchopulmonary dysplasia: a 12-month follow-up of the CASTOR study cohort

2013 ◽  
Vol 142 (7) ◽  
pp. 1362-1374 ◽  
Author(s):  
B. FAUROUX ◽  
J.-B. GOUYON ◽  
J.-C. ROZE ◽  
C. GUILLERMET-FROMENTIN ◽  
I. GLORIEUX ◽  
...  
Keyword(s):  
Risk Factors ◽  
Preterm Infants ◽  
Bronchopulmonary Dysplasia ◽  
Respiratory Morbidity ◽  
Study Cohort ◽  
Recurrent Wheezing ◽  
Term Infants ◽  
Independent Risk Factors ◽  
Syncytial Virus

SUMMARYThe aim of this study was to describe the incidence and risk factors for respiratory morbidity during the 12-month period following the first respiratory syncytial virus (RSV) season in 242 preterm infants [<33 weeks gestational age (GA)] without bronchopulmonary dysplasia and 201 full-term infants (39–41 weeks GA) from the French CASTOR study cohort. Preterm infants had increased respiratory morbidity during the follow-up period compared to full-terms; they were more likely to have wheezing (21% vs. 11%, P = 0·007) and recurrent wheezing episodes (4% vs. 1%, P = 0·049). The 17 infants (14 preterms, three full-terms) who had been hospitalized for RSV-confirmed bronchiolitis during their first RSV season had significantly more wheezing episodes during the follow-up period than subjects who had not been hospitalized for RSV-confirmed bronchiolitis (odds ratio 4·72, 95% confidence interval 1·71–13·08, P = 0·003). Male gender, birth weight <3330 g and hospitalization for RSV bronchiolitis during the infant's first RSV season were independent risk factors for the development of wheezing episodes during the subsequent 12-month follow-up period.

scholarly journals Prevalence, incidence and associated risk factors of STIs during pregnancy in South Africa

2020 ◽  
pp. sextrans-2020-054631
Author(s):  
Dorothy Chiwoniso Nyemba ◽  
Andrew Medina-Marino ◽  
Remco P H Peters ◽  
Jeffrey D Klausner ◽  
Phuti Ngwepe ◽  
...  
Keyword(s):  
Risk Factors ◽  
Pregnant Women ◽  
Birth Outcomes ◽  
Syndromic Management ◽  
Younger Age ◽  
Pregnancy And Birth Outcomes ◽  
Adverse Pregnancy ◽  
Associated Risk Factors ◽  
Pregnancy And Birth

ObjectiveSTIs during pregnancy increase adverse pregnancy and birth outcomes and may increase HIV risk. STI syndromic management is standard of care in South Africa. Our study evaluated the prevalence and incidence of STIs in pregnant women and the associated risk factors.MethodsWe combined data from two prospective observational studies of pregnant women enrolled while attending their first antenatal clinic (ANC) visit in Tshwane District and Cape Town. Women ≥18 years were tested at first ANC visit and at their first postpartum visit for Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis using Xpert assays (Cepheid, USA). We evaluated the prevalence and incidence of STI and the associated risk factors using multivariable regression models.ResultsWe enrolled 669 pregnant women, 64% (n=427) from Tshwane District and 36% (n=242) from Cape Town; 80% (n=534) were women living with HIV (WLHIV) and 20% (n=135) without HIV. At enrolment, 37% (n=250) were diagnosed with at least one STI, of which 76% (n=190) were asymptomatic. STI prevalence was 40% (n=213) in WLHIV and 27% (n=37) in women without HIV (p=0.01). Baseline STI infection was associated with younger age (OR=0.95 per year, 95% CI 0.92 to 0.98), higher gestational age (adjusted OR (aOR)=1.03 per week, 95% CI 1.00 to 1.05), single relationship status (aOR=1.53, 95% CI 1.09 to 2.15) and HIV status (aOR=1.86, 95% CI 1.17 to 2.95). Of 419 participants with no STI at baseline, 21 had an incident STI during follow-up, with a mean follow-up time of 140 days. The incidence rate of STI during pregnancy and early post partum was 15 infections per 100 women-years (95% CI 9 to 23). Younger age was associated with STI incidence.ConclusionOur study shows high prevalence and incidence of STIs in pregnancy, especially in WLHIV, demonstrating the need for STI screening in ANC to prevent adverse pregnancy and birth outcomes. Most STI cases were asymptomatic and would have gone untreated with syndromic management. Aetiological STI screening is urgently needed to reduce the burden of STIs in pregnancy.

Risk factors of colorectal adenoma recurrence among individuals under 50 years of age compared to those 50 years of age or older.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. 1554-1554
Author(s):  
Christine Louise Sardo Molmenti ◽  
Jingyan Yang ◽  
Cynthia A Thomson ◽  
Elizabeth A Hibler ◽  
Gloria Ho ◽  
...  
Keyword(s):  
Risk Factors ◽  
Colorectal Adenoma ◽  
Colorectal Adenomas ◽  
Age Group ◽  
Current Smoking ◽  
Adenoma Recurrence ◽  
Younger Age ◽  
History Of ◽  
Colorectal Adenoma Recurrence

1554 Background: Colorectal cancer incidence and mortality are increasing among individuals < 50 years of age. Data are limited regarding the epidemiology of colorectal adenomas in this younger age group. This study investigated and compared risk factors associated with recurrence of adenomas in individuals under and over 50 years of age. Methods: Pooled analyses from the Wheat Bran Fiber and Ursodeoxycholic Acid phase III, randomized, controlled clinical trials included 1,623 participants, aged 40-80 years. Each completed baseline questionnaires related to family history and lifestyle habits, had one or more colorectal adenomas removed at baseline, and had a follow-up colonoscopy during the trial (mean follow up 36 months). Univariate and multivariate logistic regression modeling estimated the association between age and colorectal adenoma recurrence, and evaluate multiple risk factors, while controlling for confounding factors. Results: A statistically significant increased trend was found for colorectal adenoma recurrence with increasing age ( Ptrend= < 0.001). Multivariate logistic regression revealed that risk factors significantly associated with adenoma recurrence in the ≥50 age group (n = 1,523) included history of previous polyps, characteristics of adenomas removed at baseline (multiple adenomas and villous feature), current smoking, and an increased waist circumference. Although risk profile in the < 50 age group (n = 95) shared similarities with that in the ≥50 age group (e.g., current smoking), there were a few notable differences: history of previous polyps was a more prominent predictor for recurrence for the < 50 (OR< 50 = 4.76 and OR≥50 = 1.33, Pinteraction = 0.042), whereas baseline characteristics of adenomas were more important for the ≥50 (multiple adenomas: OR< 50 = 0.40 and OR≥50 = 2.28, Pinteraction = 0.043). Conclusions: Predisposition to colorectal adenoma is a more important risk factor for recurrence in the < 50 as compared to the ≥50. Future studies need to identify susceptibility factors contributing to the increasing incidence of colorectal cancer in this younger age group.

Prevalence and Risk Factors of Early Endocrine Disorders in Childhood Brain Tumor Survivors: A Nationwide, Multicenter Study

2016 ◽  
Vol 34 (36) ◽  
pp. 4362-4370 ◽  
Author(s):  
Sarah C. Clement ◽  
Antoinette Y.N. Schouten-van Meeteren ◽  
Annemieke M. Boot ◽  
Hedy L. Claahsen-van der Grinten ◽  
Bernd Granzen ◽  
...  
Keyword(s):  
Risk Factors ◽  
Brain Tumor ◽  
Thyroid Stimulating Hormone ◽  
Endocrine Function ◽  
Hormone Deficiency ◽  
Study Cohort ◽  
Endocrine Disorders ◽  
Childhood Brain Tumor ◽  
Endocrine Disorder

Purpose To evaluate the prevalence of, and risk factors for, early endocrine disorders in childhood brain tumor survivors (CBTS). Patients and Methods This nationwide study cohort consisted of 718 CBTS who were diagnosed between 2002 and 2012, and who survived ≥ 2 years after diagnosis. Patients with craniopharyngeoma or a pituitary gland tumor were excluded. Results of all endocrine investigations, which were performed at diagnosis and during follow-up, were collected from patient charts. Multivariable logistic regression was used to study associations between demographic and tumor- and treatment-related variables and the prevalence of early endocrine disorders. Results After a median follow-up of 6.6 years, 178 CBTS (24.8%) were diagnosed with an endocrine disorder. A total of 159 CBTS (22.1%) presented with at least one endocrine disorder within the first 5 years after diagnosis. The most common endocrine disorders were growth hormone deficiency (12.5%), precocious puberty (12.2%), thyroid-stimulating hormone deficiency (9.2%), and thyroidal hypothyroidism (5.8%). The risk of hypothalamic-pituitary dysfunction (n = 138) was associated with radiotherapy (odds ratio [OR], 15.74; 95% CI, 8.72 to 28.42), younger age at diagnosis (OR, 1.09; 95% CI, 1.04 to 1.14), advanced follow-up time (OR, 1.10; 95% CI, 1.02 to 1.18), hydrocephalus at diagnosis (OR, 1.77; 95% CI, 1.09 to 2.88), and suprasellar (OR, 34.18; 95% CI, 14.74 to 79.29) and infratentorial (OR, 2.65; 95% CI, 1.48 to 4.74) tumor site. Conclusion The prevalence of early endocrine disorders among CBTS is high. The observation that 22.1% of CBTS developed at least one endocrine disorder within the first 5 years after diagnosis stresses the importance of early and regular assessment of endocrine function in CBTS who are at risk for endocrine damage.

scholarly journals Are there benefits of low doses of ACE inhibitors, MRAs, diuretics and statins in the treatment of heart failure?

2021 ◽  
Vol 14 (2) ◽  
pp. 226-231
Author(s):  
V. А. Lysenko
Keyword(s):  
Risk Factors ◽  
Heart Failure ◽  
Relative Risk ◽  
Ace Inhibitors ◽  
Cardiovascular Events ◽  
Beta Blockers ◽  
Scientific Data ◽  
Rank Test ◽  
Coronary Syndrome

Treatment of chronic heart failure (CHF) is very controversial. The issue of optimal doses of beta-blockers, ACE inhibitors, aldosterone receptor antagonists, statins in patients with CHF has not been conclusively addressed. Achieving the maximum tolerated doses of drugs, though related to reduced mortality, but is accompanied by an increase in adverse drug reactions. The aim. To present and discuss our own clinical and scientific data concerning the role of beta-blockers and inhibitors of the renin-angiotensin aldosterone system, diuretics, statins in the treatment of CHF patients and optimization of dosage schemes. Material and methods. The study included 88 patients with CHF of ischemic origin, with sinus rhythm, stage II AB, NYHA FC II–IV, 58 – with reduced LV EF (HFrEF) and 30 – with preserved LV EF (HFpEF). The mean age of patients was 69.18 ± 9.97 years, men 52 % (n = 46). The median follow-up of the CHF patients was 396 days, the maximum number of follow-up days was 1302. During the observation period, 14 endpoints were registered, which accounted for 15.91 % of events: 7 deaths (8.0 %), 2 strokes (2.3 %), 2 cases of acute coronary syndrome (2.3 %), 3 progressive heart failure cases (3.4 %). Kaplan–Mayer curves were drawn to assess survival rate, and the significance of difference between groups was calculated by the criteria of Gehan–Wilcoxon, Cox–Mantel and log-rank test. Risk factors were determined, and prognostic uni- and multi-variant Cox proportional hazards regression models were used. The cut-off values of quantitative risk factors were obtained by ROC analysis. Results. The increase in the relative risk of adverse cardiovascular events in the CHF patients regardless of LV EF was associated with a daily carvedilol dose of more than 25 mg (HR = 1.05; 95 % CI 1.009–1.093; P = 0.0171); eplerenone – more than 12.5 mg (HR = 1.073; 95 % CI 1.005–1.144; P = 0.034), torasemide – more than 5 mg (HR = 1.13; 95 % CI 1.021–1.255; P = 0.019); rosuvastatin – more than 10 mg (HR = 1.107; 95 % CI 1.007–1.203; P = 0.035), and the trend in using atorvastatin at a dose of less than 10 mg (HR = 1.05; 95 % CI 0.951–1.165; P = 0.327). The use of ramipril in a daily dose of less than 2.5 mg was accompanied by a trend towards the 22 % reduced relative risk of adverse cardiovascular events (HR = 0.78; 95 % CI 0.384–1.580; P = 0.491). Conclusions. Positive treatment outcomes in the CHF patients, regardless of the phenotype, were associated with low daily doses of ramipril (<2.5 mg), eplerenone/spironolactone (<12.5 mg), torasemide (<5.0 mg), rosuvastatin (<10.0 mg), but with high doses of atorvastatin (>10.0 mg).

After Elective Sigmoid Colectomy for Diverticulitis, Does Recurrence-Free Mean Symptom-Free?

2020 ◽  
Vol 86 (1) ◽  
pp. 49-55
Author(s):  
Karmina K. Choi ◽  
Kevin Krautsak ◽  
Jessica Martinolich ◽  
Jonathan J. Canete ◽  
Brian T. Valerian ◽  
...  
Keyword(s):  
Risk Factors ◽  
Irritable Bowel Syndrome ◽  
Relative Risk ◽  
Significant Risk ◽  
Sigmoid Colectomy ◽  
Persistent Symptoms ◽  
Abdominal Symptoms ◽  
Increased Risk ◽  
Irritable Bowel

After elective sigmoidectomy for diverticulitis, patients may experience persistent abdominal symptoms. This study aimed to determine the incidence and characteristics of persistent symptoms (PSs) and their risk factors in patients who had no reported recurrence after elective sigmoidectomy. Patients who underwent elective sigmoidectomy for diverticulitis from 2002 to 2016 at a tertiary academic colorectal surgery practice were included. After retrospective review of medical records, patients were contacted with a questionnaire to inquire about recurrence of diverticulitis and persistent abdominal symptoms since resection. Outcomes examined were prevalence of and risk factors for PSs after elective sigmoidectomy. Of 662 included patients, 346 completed the questionnaire and had no recurrent diverticulitis. PSs were reported by 43.9 per cent of the patients. The mean follow-up was 87 months. Female gender and preoperative diagnosis of irritable bowel syndrome were independent risk factors for PSs (Relative Risk 1.65, P < 0.001 and Relative Risk 1.41, P = 0.014). Previous IVantibiotics treatment was associated with PSs ( P = 0.034) but not with a significant risk factor. As the follow-up interval increased, prevalence of PSs decreased ( P = 0.006). More than 40 per cent of patients experienced persistent abdominal symptoms after sigmoidectomy for diverticulitis. Female patients and those with irritable bowel syndrome were at significantly increased risk.

Abstract P181: Differential Clinical Outcomes Among Stroke Patients From Rural and Urban Areas in a Pilot Stroke Network

Stroke ◽  
2021 ◽  
Vol 52 (Suppl_1) ◽  
Author(s):  
Natalia Llanos ◽  
Carlos Pardo ◽  
Gabriel Pinilla ◽  
Akemi Arango ◽  
Jaime Valderrama ◽  
...  
Keyword(s):  
Risk Factors ◽  
Clinical Outcomes ◽  
Clinical Features ◽  
Urban Areas ◽  
Stroke Patients ◽  
Rural And Urban Areas ◽  
Rural And Urban ◽  
Stroke Center ◽  
Rural Patients

Objective: To describe the clinical features of stroke patients from rural and urban areas and to identify possible associations with clinical outcomes. Introduction: There is little information in Latin America about risk factors, treatments, and outcomes in stroke patients from rural areas and urban people. The rural population faces multiple healthcare access barriers that might influence stroke outcomes. This paper describes and analyzes clinical features in stroke patients according to their location. Methods: Prospective cohort study of Colombian stroke patients using demographic and clinical data collected between 2018 and 2020 in a high complexity hospital from southwestern Colombia, as part of a pilot stroke network consisting of rural primary centers and a mothership center. Mode of transport to the stroke center, timing, clinical characteristics, interventions, and modified Rankin scale (mRS) at discharge and 3 months were assessed. Results: We included 579 stroke patients (66.14% ischemic), with a median age of 70 years (60-81). Urban subjects showed higher prevalence of dyslipidemia (p=0.009), previous hemorrhagic stroke (p=0.036), and TIA (p=0.002). Approximately 35% of cases were initially evaluated at a rural primary care center. These subjects exhibited a higher NIHSS scores (10 IQR 5-19 vs. 5 IQR 2-13; p=0.000) with a longer window (p<0.001) and were mainly transferred by ambulance (89.80%, p=0.000). Due to the severity, door-to-imaging time was shorter (p=0.001). Rural patients receive thrombolysis in 27.36% and underwent thrombectomy in 14.43%. Higher mRs at discharge (3 IQR 2-5 vs. 2 IQR 1-4; p=0.000) and three-months follow-up (3 IQR 1-6 vs. 1 IQR 0-4; p<0.001) were observed. Conclusions: Rural patients from southwestern Colombia were more likely to present with severe strokes even though they had lower rates of cardiovascular risk factors. They arrived later to the stroke center, but the final diagnosis was reached faster. Nonetheless, disability was higher at discharge and 3-months follow-up.

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